Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: GeoTIFF Driver
4 : * Purpose: Write/set operations on GTiffDataset
5 : * Author: Frank Warmerdam, warmerdam@pobox.com
6 : *
7 : ******************************************************************************
8 : * Copyright (c) 1998, 2002, Frank Warmerdam <warmerdam@pobox.com>
9 : * Copyright (c) 2007-2015, Even Rouault <even dot rouault at spatialys dot com>
10 : *
11 : * SPDX-License-Identifier: MIT
12 : ****************************************************************************/
13 :
14 : #include "gtiffdataset.h"
15 : #include "gtiffrasterband.h"
16 : #include "gtiffoddbitsband.h"
17 :
18 : #include <cassert>
19 : #include <cerrno>
20 :
21 : #include <algorithm>
22 : #include <cmath>
23 : #include <limits>
24 : #include <memory>
25 : #include <mutex>
26 : #include <set>
27 : #include <string>
28 : #include <tuple>
29 : #include <utility>
30 :
31 : #include "cpl_error.h"
32 : #include "cpl_error_internal.h" // CPLErrorHandlerAccumulatorStruct
33 : #include "cpl_float.h"
34 : #include "cpl_md5.h"
35 : #include "cpl_vsi.h"
36 : #include "cpl_vsi_virtual.h"
37 : #include "cpl_worker_thread_pool.h"
38 : #include "fetchbufferdirectio.h"
39 : #include "gdal_mdreader.h" // GDALWriteRPCTXTFile()
40 : #include "gdal_priv_templates.hpp" // GDALIsValueInRange<>
41 : #include "gdal_thread_pool.h" // GDALGetGlobalThreadPool()
42 : #include "geovalues.h" // RasterPixelIsPoint
43 : #include "gt_jpeg_copy.h"
44 : #include "gt_overview.h" // GTIFFBuildOverviewMetadata()
45 : #include "quant_table_md5sum.h"
46 : #include "quant_table_md5sum_jpeg9e.h"
47 : #include "tif_jxl.h"
48 : #include "tifvsi.h"
49 : #include "xtiffio.h"
50 :
51 : #if LIFFLIB_VERSION > 20230908 || defined(INTERNAL_LIBTIFF)
52 : /* libtiff < 4.6.1 doesn't generate a LERC mask for multi-band contig configuration */
53 : #define LIBTIFF_MULTIBAND_LERC_NAN_OK
54 : #endif
55 :
56 : static const int knGTIFFJpegTablesModeDefault = JPEGTABLESMODE_QUANT;
57 :
58 : static constexpr const char szPROFILE_BASELINE[] = "BASELINE";
59 : static constexpr const char szPROFILE_GeoTIFF[] = "GeoTIFF";
60 : static constexpr const char szPROFILE_GDALGeoTIFF[] = "GDALGeoTIFF";
61 :
62 : // Due to libgeotiff/xtiff.c declaring TIFFTAG_GEOTIEPOINTS with field_readcount
63 : // and field_writecount == -1 == TIFF_VARIABLE, we are limited to writing
64 : // 65535 values in that tag. That could potentially be overcome by changing the tag
65 : // declaration to using TIFF_VARIABLE2 where the count is a uint32_t.
66 : constexpr int knMAX_GCP_COUNT =
67 : static_cast<int>(std::numeric_limits<uint16_t>::max() / 6);
68 :
69 : enum
70 : {
71 : ENDIANNESS_NATIVE,
72 : ENDIANNESS_LITTLE,
73 : ENDIANNESS_BIG
74 : };
75 :
76 16964 : static signed char GTiffGetWebPLevel(CSLConstList papszOptions)
77 : {
78 16964 : int nWebPLevel = DEFAULT_WEBP_LEVEL;
79 16964 : const char *pszValue = CSLFetchNameValue(papszOptions, "WEBP_LEVEL");
80 16964 : if (pszValue != nullptr)
81 : {
82 51 : nWebPLevel = atoi(pszValue);
83 51 : if (!(nWebPLevel >= 1 && nWebPLevel <= 100))
84 : {
85 0 : CPLError(CE_Warning, CPLE_IllegalArg,
86 : "WEBP_LEVEL=%s value not recognised, ignoring.", pszValue);
87 0 : nWebPLevel = DEFAULT_WEBP_LEVEL;
88 : }
89 : }
90 16964 : return static_cast<signed char>(nWebPLevel);
91 : }
92 :
93 16970 : static bool GTiffGetWebPLossless(CSLConstList papszOptions)
94 : {
95 16970 : return CPLFetchBool(papszOptions, "WEBP_LOSSLESS", false);
96 : }
97 :
98 17036 : static double GTiffGetLERCMaxZError(CSLConstList papszOptions)
99 : {
100 17036 : return CPLAtof(CSLFetchNameValueDef(papszOptions, "MAX_Z_ERROR", "0.0"));
101 : }
102 :
103 7553 : static double GTiffGetLERCMaxZErrorOverview(CSLConstList papszOptions)
104 : {
105 7553 : return CPLAtof(CSLFetchNameValueDef(
106 : papszOptions, "MAX_Z_ERROR_OVERVIEW",
107 7553 : CSLFetchNameValueDef(papszOptions, "MAX_Z_ERROR", "0.0")));
108 : }
109 :
110 : #if HAVE_JXL
111 17037 : static bool GTiffGetJXLLossless(CSLConstList papszOptions)
112 : {
113 17037 : return CPLTestBool(
114 17037 : CSLFetchNameValueDef(papszOptions, "JXL_LOSSLESS", "TRUE"));
115 : }
116 :
117 17037 : static uint32_t GTiffGetJXLEffort(CSLConstList papszOptions)
118 : {
119 17037 : return atoi(CSLFetchNameValueDef(papszOptions, "JXL_EFFORT", "5"));
120 : }
121 :
122 16957 : static float GTiffGetJXLDistance(CSLConstList papszOptions)
123 : {
124 : return static_cast<float>(
125 16957 : CPLAtof(CSLFetchNameValueDef(papszOptions, "JXL_DISTANCE", "1.0")));
126 : }
127 :
128 17037 : static float GTiffGetJXLAlphaDistance(CSLConstList papszOptions)
129 : {
130 17037 : return static_cast<float>(CPLAtof(
131 17037 : CSLFetchNameValueDef(papszOptions, "JXL_ALPHA_DISTANCE", "-1.0")));
132 : }
133 :
134 : #endif
135 :
136 : /************************************************************************/
137 : /* FillEmptyTiles() */
138 : /************************************************************************/
139 :
140 7726 : CPLErr GTiffDataset::FillEmptyTiles()
141 :
142 : {
143 : /* -------------------------------------------------------------------- */
144 : /* How many blocks are there in this file? */
145 : /* -------------------------------------------------------------------- */
146 15452 : const int nBlockCount = m_nPlanarConfig == PLANARCONFIG_SEPARATE
147 7726 : ? m_nBlocksPerBand * nBands
148 : : m_nBlocksPerBand;
149 :
150 : /* -------------------------------------------------------------------- */
151 : /* Fetch block maps. */
152 : /* -------------------------------------------------------------------- */
153 7726 : toff_t *panByteCounts = nullptr;
154 :
155 7726 : if (TIFFIsTiled(m_hTIFF))
156 1007 : TIFFGetField(m_hTIFF, TIFFTAG_TILEBYTECOUNTS, &panByteCounts);
157 : else
158 6719 : TIFFGetField(m_hTIFF, TIFFTAG_STRIPBYTECOUNTS, &panByteCounts);
159 :
160 7726 : if (panByteCounts == nullptr)
161 : {
162 : // Got here with libtiff 3.9.3 and tiff_write_8 test.
163 0 : ReportError(CE_Failure, CPLE_AppDefined,
164 : "FillEmptyTiles() failed because panByteCounts == NULL");
165 0 : return CE_Failure;
166 : }
167 :
168 : /* -------------------------------------------------------------------- */
169 : /* Prepare a blank data buffer to write for uninitialized blocks. */
170 : /* -------------------------------------------------------------------- */
171 : const GPtrDiff_t nBlockBytes =
172 7726 : TIFFIsTiled(m_hTIFF) ? static_cast<GPtrDiff_t>(TIFFTileSize(m_hTIFF))
173 6719 : : static_cast<GPtrDiff_t>(TIFFStripSize(m_hTIFF));
174 :
175 7726 : GByte *pabyData = static_cast<GByte *>(VSI_CALLOC_VERBOSE(nBlockBytes, 1));
176 7726 : if (pabyData == nullptr)
177 : {
178 0 : return CE_Failure;
179 : }
180 :
181 : // Force tiles completely filled with the nodata value to be written.
182 7726 : m_bWriteEmptyTiles = true;
183 :
184 : /* -------------------------------------------------------------------- */
185 : /* If set, fill data buffer with no data value. */
186 : /* -------------------------------------------------------------------- */
187 7726 : if ((m_bNoDataSet && m_dfNoDataValue != 0.0) ||
188 7491 : (m_bNoDataSetAsInt64 && m_nNoDataValueInt64 != 0) ||
189 7489 : (m_bNoDataSetAsUInt64 && m_nNoDataValueUInt64 != 0))
190 : {
191 239 : const GDALDataType eDataType = GetRasterBand(1)->GetRasterDataType();
192 239 : const int nDataTypeSize = GDALGetDataTypeSizeBytes(eDataType);
193 239 : if (nDataTypeSize &&
194 239 : nDataTypeSize * 8 == static_cast<int>(m_nBitsPerSample))
195 : {
196 228 : if (m_bNoDataSetAsInt64)
197 : {
198 3 : GDALCopyWords64(&m_nNoDataValueInt64, GDT_Int64, 0, pabyData,
199 : eDataType, nDataTypeSize,
200 3 : nBlockBytes / nDataTypeSize);
201 : }
202 225 : else if (m_bNoDataSetAsUInt64)
203 : {
204 2 : GDALCopyWords64(&m_nNoDataValueUInt64, GDT_UInt64, 0, pabyData,
205 : eDataType, nDataTypeSize,
206 2 : nBlockBytes / nDataTypeSize);
207 : }
208 : else
209 : {
210 223 : double dfNoData = m_dfNoDataValue;
211 223 : GDALCopyWords64(&dfNoData, GDT_Float64, 0, pabyData, eDataType,
212 223 : nDataTypeSize, nBlockBytes / nDataTypeSize);
213 228 : }
214 : }
215 11 : else if (nDataTypeSize)
216 : {
217 : // Handle non power-of-two depths.
218 : // Ideally make a packed buffer, but that is a bit tedious,
219 : // so use the normal I/O interfaces.
220 :
221 11 : CPLFree(pabyData);
222 :
223 11 : pabyData = static_cast<GByte *>(VSI_MALLOC3_VERBOSE(
224 : m_nBlockXSize, m_nBlockYSize, nDataTypeSize));
225 11 : if (pabyData == nullptr)
226 0 : return CE_Failure;
227 11 : if (m_bNoDataSetAsInt64)
228 : {
229 0 : GDALCopyWords64(&m_nNoDataValueInt64, GDT_Int64, 0, pabyData,
230 : eDataType, nDataTypeSize,
231 0 : static_cast<GPtrDiff_t>(m_nBlockXSize) *
232 0 : m_nBlockYSize);
233 : }
234 11 : else if (m_bNoDataSetAsUInt64)
235 : {
236 0 : GDALCopyWords64(&m_nNoDataValueUInt64, GDT_UInt64, 0, pabyData,
237 : eDataType, nDataTypeSize,
238 0 : static_cast<GPtrDiff_t>(m_nBlockXSize) *
239 0 : m_nBlockYSize);
240 : }
241 : else
242 : {
243 11 : GDALCopyWords64(&m_dfNoDataValue, GDT_Float64, 0, pabyData,
244 : eDataType, nDataTypeSize,
245 11 : static_cast<GPtrDiff_t>(m_nBlockXSize) *
246 11 : m_nBlockYSize);
247 : }
248 11 : CPLErr eErr = CE_None;
249 46 : for (int iBlock = 0; iBlock < nBlockCount; ++iBlock)
250 : {
251 35 : if (panByteCounts[iBlock] == 0)
252 : {
253 18 : if (m_nPlanarConfig == PLANARCONFIG_SEPARATE || nBands == 1)
254 : {
255 24 : if (GetRasterBand(1 + iBlock / m_nBlocksPerBand)
256 12 : ->WriteBlock((iBlock % m_nBlocksPerBand) %
257 12 : m_nBlocksPerRow,
258 12 : (iBlock % m_nBlocksPerBand) /
259 12 : m_nBlocksPerRow,
260 12 : pabyData) != CE_None)
261 : {
262 0 : eErr = CE_Failure;
263 : }
264 : }
265 : else
266 : {
267 : // In contig case, don't directly call WriteBlock(), as
268 : // it could cause useless decompression-recompression.
269 6 : const int nXOff =
270 6 : (iBlock % m_nBlocksPerRow) * m_nBlockXSize;
271 6 : const int nYOff =
272 6 : (iBlock / m_nBlocksPerRow) * m_nBlockYSize;
273 6 : const int nXSize =
274 6 : (nXOff + m_nBlockXSize <= nRasterXSize)
275 6 : ? m_nBlockXSize
276 2 : : nRasterXSize - nXOff;
277 6 : const int nYSize =
278 6 : (nYOff + m_nBlockYSize <= nRasterYSize)
279 6 : ? m_nBlockYSize
280 3 : : nRasterYSize - nYOff;
281 18 : for (int iBand = 1; iBand <= nBands; ++iBand)
282 : {
283 12 : if (GetRasterBand(iBand)->RasterIO(
284 : GF_Write, nXOff, nYOff, nXSize, nYSize,
285 : pabyData, nXSize, nYSize, eDataType, 0, 0,
286 12 : nullptr) != CE_None)
287 : {
288 0 : eErr = CE_Failure;
289 : }
290 : }
291 : }
292 : }
293 : }
294 11 : CPLFree(pabyData);
295 11 : return eErr;
296 228 : }
297 : }
298 :
299 : /* -------------------------------------------------------------------- */
300 : /* When we must fill with zeroes, try to create non-sparse file */
301 : /* w.r.t TIFF spec ... as a sparse file w.r.t filesystem, ie by */
302 : /* seeking to end of file instead of writing zero blocks. */
303 : /* -------------------------------------------------------------------- */
304 7487 : else if (m_nCompression == COMPRESSION_NONE && (m_nBitsPerSample % 8) == 0)
305 : {
306 6050 : CPLErr eErr = CE_None;
307 : // Only use libtiff to write the first sparse block to ensure that it
308 : // will serialize offset and count arrays back to disk.
309 6050 : int nCountBlocksToZero = 0;
310 2317350 : for (int iBlock = 0; iBlock < nBlockCount; ++iBlock)
311 : {
312 2311300 : if (panByteCounts[iBlock] == 0)
313 : {
314 2218360 : if (nCountBlocksToZero == 0)
315 : {
316 1060 : const bool bWriteEmptyTilesBak = m_bWriteEmptyTiles;
317 1060 : m_bWriteEmptyTiles = true;
318 1060 : const bool bOK = WriteEncodedTileOrStrip(iBlock, pabyData,
319 1060 : FALSE) == CE_None;
320 1060 : m_bWriteEmptyTiles = bWriteEmptyTilesBak;
321 1060 : if (!bOK)
322 : {
323 2 : eErr = CE_Failure;
324 2 : break;
325 : }
326 : }
327 2218360 : nCountBlocksToZero++;
328 : }
329 : }
330 6050 : CPLFree(pabyData);
331 :
332 6050 : --nCountBlocksToZero;
333 :
334 : // And then seek to end of file for other ones.
335 6050 : if (nCountBlocksToZero > 0)
336 : {
337 321 : toff_t *panByteOffsets = nullptr;
338 :
339 321 : if (TIFFIsTiled(m_hTIFF))
340 87 : TIFFGetField(m_hTIFF, TIFFTAG_TILEOFFSETS, &panByteOffsets);
341 : else
342 234 : TIFFGetField(m_hTIFF, TIFFTAG_STRIPOFFSETS, &panByteOffsets);
343 :
344 321 : if (panByteOffsets == nullptr)
345 : {
346 0 : ReportError(
347 : CE_Failure, CPLE_AppDefined,
348 : "FillEmptyTiles() failed because panByteOffsets == NULL");
349 0 : return CE_Failure;
350 : }
351 :
352 321 : VSILFILE *fpTIF = VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF));
353 321 : VSIFSeekL(fpTIF, 0, SEEK_END);
354 321 : const vsi_l_offset nOffset = VSIFTellL(fpTIF);
355 :
356 321 : vsi_l_offset iBlockToZero = 0;
357 2226470 : for (int iBlock = 0; iBlock < nBlockCount; ++iBlock)
358 : {
359 2226150 : if (panByteCounts[iBlock] == 0)
360 : {
361 2217300 : panByteOffsets[iBlock] = static_cast<toff_t>(
362 2217300 : nOffset + iBlockToZero * nBlockBytes);
363 2217300 : panByteCounts[iBlock] = nBlockBytes;
364 2217300 : iBlockToZero++;
365 : }
366 : }
367 321 : CPLAssert(iBlockToZero ==
368 : static_cast<vsi_l_offset>(nCountBlocksToZero));
369 :
370 321 : if (VSIFTruncateL(fpTIF, nOffset + iBlockToZero * nBlockBytes) != 0)
371 : {
372 0 : eErr = CE_Failure;
373 0 : ReportError(CE_Failure, CPLE_FileIO,
374 : "Cannot initialize empty blocks");
375 : }
376 : }
377 :
378 6050 : return eErr;
379 : }
380 :
381 : /* -------------------------------------------------------------------- */
382 : /* Check all blocks, writing out data for uninitialized blocks. */
383 : /* -------------------------------------------------------------------- */
384 :
385 1665 : GByte *pabyRaw = nullptr;
386 1665 : vsi_l_offset nRawSize = 0;
387 1665 : CPLErr eErr = CE_None;
388 45415 : for (int iBlock = 0; iBlock < nBlockCount; ++iBlock)
389 : {
390 43757 : if (panByteCounts[iBlock] == 0)
391 : {
392 8941 : if (pabyRaw == nullptr)
393 : {
394 1638 : if (WriteEncodedTileOrStrip(iBlock, pabyData, FALSE) != CE_None)
395 : {
396 7 : eErr = CE_Failure;
397 7 : break;
398 : }
399 :
400 1631 : vsi_l_offset nOffset = 0;
401 1631 : if (!IsBlockAvailable(iBlock, &nOffset, &nRawSize, nullptr))
402 0 : break;
403 :
404 : // When using compression, get back the compressed block
405 : // so we can use the raw API to write it faster.
406 1631 : if (m_nCompression != COMPRESSION_NONE)
407 : {
408 : pabyRaw = static_cast<GByte *>(
409 427 : VSI_MALLOC_VERBOSE(static_cast<size_t>(nRawSize)));
410 427 : if (pabyRaw)
411 : {
412 : VSILFILE *fp =
413 427 : VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF));
414 427 : const vsi_l_offset nCurOffset = VSIFTellL(fp);
415 427 : VSIFSeekL(fp, nOffset, SEEK_SET);
416 427 : VSIFReadL(pabyRaw, 1, static_cast<size_t>(nRawSize),
417 : fp);
418 427 : VSIFSeekL(fp, nCurOffset, SEEK_SET);
419 : }
420 : }
421 : }
422 : else
423 : {
424 7303 : WriteRawStripOrTile(iBlock, pabyRaw,
425 : static_cast<GPtrDiff_t>(nRawSize));
426 : }
427 : }
428 : }
429 :
430 1665 : CPLFree(pabyData);
431 1665 : VSIFree(pabyRaw);
432 1665 : return eErr;
433 : }
434 :
435 : /************************************************************************/
436 : /* HasOnlyNoData() */
437 : /************************************************************************/
438 :
439 42264 : bool GTiffDataset::HasOnlyNoData(const void *pBuffer, int nWidth, int nHeight,
440 : int nLineStride, int nComponents)
441 : {
442 42264 : if (m_nSampleFormat == SAMPLEFORMAT_COMPLEXINT ||
443 42264 : m_nSampleFormat == SAMPLEFORMAT_COMPLEXIEEEFP)
444 0 : return false;
445 42264 : if (m_bNoDataSetAsInt64 || m_bNoDataSetAsUInt64)
446 2 : return false; // FIXME: over pessimistic
447 84524 : return GDALBufferHasOnlyNoData(
448 42262 : pBuffer, m_bNoDataSet ? m_dfNoDataValue : 0.0, nWidth, nHeight,
449 42262 : nLineStride, nComponents, m_nBitsPerSample,
450 42262 : m_nSampleFormat == SAMPLEFORMAT_UINT ? GSF_UNSIGNED_INT
451 4737 : : m_nSampleFormat == SAMPLEFORMAT_INT ? GSF_SIGNED_INT
452 42262 : : GSF_FLOATING_POINT);
453 : }
454 :
455 : /************************************************************************/
456 : /* IsFirstPixelEqualToNoData() */
457 : /************************************************************************/
458 :
459 166686 : inline bool GTiffDataset::IsFirstPixelEqualToNoData(const void *pBuffer)
460 : {
461 166686 : const GDALDataType eDT = GetRasterBand(1)->GetRasterDataType();
462 166690 : const double dfEffectiveNoData = (m_bNoDataSet) ? m_dfNoDataValue : 0.0;
463 166690 : if (m_bNoDataSetAsInt64 || m_bNoDataSetAsUInt64)
464 2 : return true; // FIXME: over pessimistic
465 166688 : if (m_nBitsPerSample == 8 ||
466 58271 : (m_nBitsPerSample < 8 && dfEffectiveNoData == 0))
467 : {
468 111867 : if (eDT == GDT_Int8)
469 : {
470 270 : return GDALIsValueInRange<signed char>(dfEffectiveNoData) &&
471 135 : *(static_cast<const signed char *>(pBuffer)) ==
472 270 : static_cast<signed char>(dfEffectiveNoData);
473 : }
474 223433 : return GDALIsValueInRange<GByte>(dfEffectiveNoData) &&
475 111701 : *(static_cast<const GByte *>(pBuffer)) ==
476 223433 : static_cast<GByte>(dfEffectiveNoData);
477 : }
478 54821 : if (m_nBitsPerSample == 16 && eDT == GDT_UInt16)
479 : {
480 3742 : return GDALIsValueInRange<GUInt16>(dfEffectiveNoData) &&
481 1871 : *(static_cast<const GUInt16 *>(pBuffer)) ==
482 3742 : static_cast<GUInt16>(dfEffectiveNoData);
483 : }
484 52950 : if (m_nBitsPerSample == 16 && eDT == GDT_Int16)
485 : {
486 8430 : return GDALIsValueInRange<GInt16>(dfEffectiveNoData) &&
487 4215 : *(static_cast<const GInt16 *>(pBuffer)) ==
488 8430 : static_cast<GInt16>(dfEffectiveNoData);
489 : }
490 48735 : if (m_nBitsPerSample == 32 && eDT == GDT_UInt32)
491 : {
492 370 : return GDALIsValueInRange<GUInt32>(dfEffectiveNoData) &&
493 185 : *(static_cast<const GUInt32 *>(pBuffer)) ==
494 370 : static_cast<GUInt32>(dfEffectiveNoData);
495 : }
496 48550 : if (m_nBitsPerSample == 32 && eDT == GDT_Int32)
497 : {
498 498 : return GDALIsValueInRange<GInt32>(dfEffectiveNoData) &&
499 249 : *(static_cast<const GInt32 *>(pBuffer)) ==
500 498 : static_cast<GInt32>(dfEffectiveNoData);
501 : }
502 48301 : if (m_nBitsPerSample == 64 && eDT == GDT_UInt64)
503 : {
504 234 : return GDALIsValueInRange<std::uint64_t>(dfEffectiveNoData) &&
505 117 : *(static_cast<const std::uint64_t *>(pBuffer)) ==
506 234 : static_cast<std::uint64_t>(dfEffectiveNoData);
507 : }
508 48184 : if (m_nBitsPerSample == 64 && eDT == GDT_Int64)
509 : {
510 236 : return GDALIsValueInRange<std::int64_t>(dfEffectiveNoData) &&
511 118 : *(static_cast<const std::int64_t *>(pBuffer)) ==
512 236 : static_cast<std::int64_t>(dfEffectiveNoData);
513 : }
514 48066 : if (m_nBitsPerSample == 32 && eDT == GDT_Float32)
515 : {
516 41204 : if (std::isnan(m_dfNoDataValue))
517 3 : return CPL_TO_BOOL(
518 6 : std::isnan(*(static_cast<const float *>(pBuffer))));
519 82014 : return GDALIsValueInRange<float>(dfEffectiveNoData) &&
520 40815 : *(static_cast<const float *>(pBuffer)) ==
521 82009 : static_cast<float>(dfEffectiveNoData);
522 : }
523 6862 : if (m_nBitsPerSample == 64 && eDT == GDT_Float64)
524 : {
525 4227 : if (std::isnan(dfEffectiveNoData))
526 0 : return CPL_TO_BOOL(
527 0 : std::isnan(*(static_cast<const double *>(pBuffer))));
528 4227 : return *(static_cast<const double *>(pBuffer)) == dfEffectiveNoData;
529 : }
530 2635 : return false;
531 : }
532 :
533 : /************************************************************************/
534 : /* WriteDealWithLercAndNan() */
535 : /************************************************************************/
536 :
537 : template <typename T>
538 0 : void GTiffDataset::WriteDealWithLercAndNan(T *pBuffer, int nActualBlockWidth,
539 : int nActualBlockHeight,
540 : int nStrileHeight)
541 : {
542 : // This method does 2 things:
543 : // - warn the user if he tries to write NaN values with libtiff < 4.6.1
544 : // and multi-band PlanarConfig=Contig configuration
545 : // - and in right-most and bottom-most tiles, replace non accessible
546 : // pixel values by a safe one.
547 :
548 0 : const auto fPaddingValue =
549 : #if !defined(LIBTIFF_MULTIBAND_LERC_NAN_OK)
550 : m_nPlanarConfig == PLANARCONFIG_CONTIG && nBands > 1
551 : ? 0
552 : :
553 : #endif
554 : std::numeric_limits<T>::quiet_NaN();
555 :
556 0 : const int nBandsPerStrile =
557 0 : m_nPlanarConfig == PLANARCONFIG_CONTIG ? nBands : 1;
558 0 : for (int j = 0; j < nActualBlockHeight; ++j)
559 : {
560 : #if !defined(LIBTIFF_MULTIBAND_LERC_NAN_OK)
561 : static bool bHasWarned = false;
562 : if (m_nPlanarConfig == PLANARCONFIG_CONTIG && nBands > 1 && !bHasWarned)
563 : {
564 : for (int i = 0; i < nActualBlockWidth * nBandsPerStrile; ++i)
565 : {
566 : if (std::isnan(
567 : pBuffer[j * m_nBlockXSize * nBandsPerStrile + i]))
568 : {
569 : bHasWarned = true;
570 : CPLError(CE_Warning, CPLE_AppDefined,
571 : "libtiff < 4.6.1 does not handle properly NaN "
572 : "values for multi-band PlanarConfig=Contig "
573 : "configuration. As a workaround, you can set the "
574 : "INTERLEAVE=BAND creation option.");
575 : break;
576 : }
577 : }
578 : }
579 : #endif
580 0 : for (int i = nActualBlockWidth * nBandsPerStrile;
581 0 : i < m_nBlockXSize * nBandsPerStrile; ++i)
582 : {
583 0 : pBuffer[j * m_nBlockXSize * nBandsPerStrile + i] = fPaddingValue;
584 : }
585 : }
586 0 : for (int j = nActualBlockHeight; j < nStrileHeight; ++j)
587 : {
588 0 : for (int i = 0; i < m_nBlockXSize * nBandsPerStrile; ++i)
589 : {
590 0 : pBuffer[j * m_nBlockXSize * nBandsPerStrile + i] = fPaddingValue;
591 : }
592 : }
593 0 : }
594 :
595 : /************************************************************************/
596 : /* WriteEncodedTile() */
597 : /************************************************************************/
598 :
599 49833 : bool GTiffDataset::WriteEncodedTile(uint32_t tile, GByte *pabyData,
600 : int bPreserveDataBuffer)
601 : {
602 49833 : const int iColumn = (tile % m_nBlocksPerBand) % m_nBlocksPerRow;
603 49833 : const int iRow = (tile % m_nBlocksPerBand) / m_nBlocksPerRow;
604 :
605 99666 : const int nActualBlockWidth = (iColumn == m_nBlocksPerRow - 1)
606 49833 : ? nRasterXSize - iColumn * m_nBlockXSize
607 : : m_nBlockXSize;
608 99666 : const int nActualBlockHeight = (iRow == m_nBlocksPerColumn - 1)
609 49833 : ? nRasterYSize - iRow * m_nBlockYSize
610 : : m_nBlockYSize;
611 :
612 : /* -------------------------------------------------------------------- */
613 : /* Don't write empty blocks in some cases. */
614 : /* -------------------------------------------------------------------- */
615 49833 : if (!m_bWriteEmptyTiles && IsFirstPixelEqualToNoData(pabyData))
616 : {
617 1938 : if (!IsBlockAvailable(tile, nullptr, nullptr, nullptr))
618 : {
619 1938 : const int nComponents =
620 1938 : m_nPlanarConfig == PLANARCONFIG_CONTIG ? nBands : 1;
621 :
622 1938 : if (HasOnlyNoData(pabyData, nActualBlockWidth, nActualBlockHeight,
623 : m_nBlockXSize, nComponents))
624 : {
625 1188 : return true;
626 : }
627 : }
628 : }
629 :
630 : // Is this a partial right edge or bottom edge tile?
631 94470 : const bool bPartialTile = (nActualBlockWidth < m_nBlockXSize) ||
632 45825 : (nActualBlockHeight < m_nBlockYSize);
633 :
634 : const bool bIsLercFloatingPoint =
635 48711 : m_nCompression == COMPRESSION_LERC &&
636 66 : (GetRasterBand(1)->GetRasterDataType() == GDT_Float32 ||
637 64 : GetRasterBand(1)->GetRasterDataType() == GDT_Float64);
638 :
639 : // Do we need to spread edge values right or down for a partial
640 : // JPEG encoded tile? We do this to avoid edge artifacts.
641 : // We also need to be careful with LERC and NaN values
642 48645 : const bool bNeedTempBuffer =
643 53047 : bPartialTile &&
644 4402 : (m_nCompression == COMPRESSION_JPEG || bIsLercFloatingPoint);
645 :
646 : // If we need to fill out the tile, or if we want to prevent
647 : // TIFFWriteEncodedTile from altering the buffer as part of
648 : // byte swapping the data on write then we will need a temporary
649 : // working buffer. If not, we can just do a direct write.
650 48645 : const GPtrDiff_t cc = static_cast<GPtrDiff_t>(TIFFTileSize(m_hTIFF));
651 :
652 62909 : if (bPreserveDataBuffer &&
653 14268 : (TIFFIsByteSwapped(m_hTIFF) || bNeedTempBuffer || m_panMaskOffsetLsb))
654 : {
655 158 : if (m_pabyTempWriteBuffer == nullptr)
656 : {
657 35 : m_pabyTempWriteBuffer = CPLMalloc(cc);
658 : }
659 158 : memcpy(m_pabyTempWriteBuffer, pabyData, cc);
660 :
661 158 : pabyData = static_cast<GByte *>(m_pabyTempWriteBuffer);
662 : }
663 :
664 : // Perform tile fill if needed.
665 : // TODO: we should also handle the case of nBitsPerSample == 12
666 : // but this is more involved.
667 48641 : if (bPartialTile && m_nCompression == COMPRESSION_JPEG &&
668 134 : m_nBitsPerSample == 8)
669 : {
670 132 : const int nComponents =
671 132 : m_nPlanarConfig == PLANARCONFIG_CONTIG ? nBands : 1;
672 :
673 132 : CPLDebug("GTiff", "Filling out jpeg edge tile on write.");
674 :
675 132 : const int nRightPixelsToFill =
676 132 : iColumn == m_nBlocksPerRow - 1
677 132 : ? m_nBlockXSize * (iColumn + 1) - nRasterXSize
678 : : 0;
679 132 : const int nBottomPixelsToFill =
680 132 : iRow == m_nBlocksPerColumn - 1
681 132 : ? m_nBlockYSize * (iRow + 1) - nRasterYSize
682 : : 0;
683 :
684 : // Fill out to the right.
685 132 : const int iSrcX = m_nBlockXSize - nRightPixelsToFill - 1;
686 :
687 12461 : for (int iX = iSrcX + 1; iX < m_nBlockXSize; ++iX)
688 : {
689 3955880 : for (int iY = 0; iY < m_nBlockYSize; ++iY)
690 : {
691 3943550 : memcpy(pabyData +
692 3943550 : (static_cast<GPtrDiff_t>(m_nBlockXSize) * iY + iX) *
693 3943550 : nComponents,
694 3943550 : pabyData + (static_cast<GPtrDiff_t>(m_nBlockXSize) * iY +
695 3943550 : iSrcX) *
696 3943550 : nComponents,
697 : nComponents);
698 : }
699 : }
700 :
701 : // Now fill out the bottom.
702 132 : const int iSrcY = m_nBlockYSize - nBottomPixelsToFill - 1;
703 17682 : for (int iY = iSrcY + 1; iY < m_nBlockYSize; ++iY)
704 : {
705 17550 : memcpy(pabyData + static_cast<GPtrDiff_t>(m_nBlockXSize) *
706 17550 : nComponents * iY,
707 17550 : pabyData + static_cast<GPtrDiff_t>(m_nBlockXSize) *
708 17550 : nComponents * iSrcY,
709 17550 : static_cast<GPtrDiff_t>(m_nBlockXSize) * nComponents);
710 : }
711 : }
712 :
713 48641 : if (bIsLercFloatingPoint &&
714 : (bPartialTile
715 : #if !defined(LIBTIFF_MULTIBAND_LERC_NAN_OK)
716 : /* libtiff < 4.6.1 doesn't generate a LERC mask for multi-band contig configuration */
717 : || (m_nPlanarConfig == PLANARCONFIG_CONTIG && nBands > 1)
718 : #endif
719 : ))
720 : {
721 0 : if (GetRasterBand(1)->GetRasterDataType() == GDT_Float32)
722 0 : WriteDealWithLercAndNan(reinterpret_cast<float *>(pabyData),
723 : nActualBlockWidth, nActualBlockHeight,
724 : m_nBlockYSize);
725 : else
726 0 : WriteDealWithLercAndNan(reinterpret_cast<double *>(pabyData),
727 : nActualBlockWidth, nActualBlockHeight,
728 : m_nBlockYSize);
729 : }
730 :
731 48641 : if (m_panMaskOffsetLsb)
732 : {
733 0 : const int iBand = m_nPlanarConfig == PLANARCONFIG_SEPARATE
734 0 : ? static_cast<int>(tile) / m_nBlocksPerBand
735 : : -1;
736 0 : DiscardLsb(pabyData, cc, iBand);
737 : }
738 :
739 48645 : if (m_bStreamingOut)
740 : {
741 17 : if (tile != static_cast<uint32_t>(m_nLastWrittenBlockId + 1))
742 : {
743 1 : ReportError(CE_Failure, CPLE_NotSupported,
744 : "Attempt to write block %d whereas %d was expected",
745 1 : tile, m_nLastWrittenBlockId + 1);
746 1 : return false;
747 : }
748 16 : if (static_cast<GPtrDiff_t>(VSIFWriteL(pabyData, 1, cc, m_fpToWrite)) !=
749 : cc)
750 : {
751 0 : ReportError(CE_Failure, CPLE_FileIO,
752 : "Could not write " CPL_FRMT_GUIB " bytes",
753 : static_cast<GUIntBig>(cc));
754 0 : return false;
755 : }
756 16 : m_nLastWrittenBlockId = tile;
757 16 : return true;
758 : }
759 :
760 : /* -------------------------------------------------------------------- */
761 : /* Should we do compression in a worker thread ? */
762 : /* -------------------------------------------------------------------- */
763 48628 : if (SubmitCompressionJob(tile, pabyData, cc, m_nBlockYSize))
764 19771 : return true;
765 :
766 28848 : return TIFFWriteEncodedTile(m_hTIFF, tile, pabyData, cc) == cc;
767 : }
768 :
769 : /************************************************************************/
770 : /* WriteEncodedStrip() */
771 : /************************************************************************/
772 :
773 165478 : bool GTiffDataset::WriteEncodedStrip(uint32_t strip, GByte *pabyData,
774 : int bPreserveDataBuffer)
775 : {
776 165478 : GPtrDiff_t cc = static_cast<GPtrDiff_t>(TIFFStripSize(m_hTIFF));
777 165477 : const auto ccFull = cc;
778 :
779 : /* -------------------------------------------------------------------- */
780 : /* If this is the last strip in the image, and is partial, then */
781 : /* we need to trim the number of scanlines written to the */
782 : /* amount of valid data we have. (#2748) */
783 : /* -------------------------------------------------------------------- */
784 165477 : const int nStripWithinBand = strip % m_nBlocksPerBand;
785 165477 : int nStripHeight = m_nRowsPerStrip;
786 :
787 165477 : if (nStripWithinBand * nStripHeight > GetRasterYSize() - nStripHeight)
788 : {
789 376 : nStripHeight = GetRasterYSize() - nStripWithinBand * m_nRowsPerStrip;
790 376 : cc = (cc / m_nRowsPerStrip) * nStripHeight;
791 752 : CPLDebug("GTiff",
792 : "Adjusted bytes to write from " CPL_FRMT_GUIB
793 : " to " CPL_FRMT_GUIB ".",
794 376 : static_cast<GUIntBig>(TIFFStripSize(m_hTIFF)),
795 : static_cast<GUIntBig>(cc));
796 : }
797 :
798 : /* -------------------------------------------------------------------- */
799 : /* Don't write empty blocks in some cases. */
800 : /* -------------------------------------------------------------------- */
801 165476 : if (!m_bWriteEmptyTiles && IsFirstPixelEqualToNoData(pabyData))
802 : {
803 40496 : if (!IsBlockAvailable(strip, nullptr, nullptr, nullptr))
804 : {
805 40326 : const int nComponents =
806 40326 : m_nPlanarConfig == PLANARCONFIG_CONTIG ? nBands : 1;
807 :
808 40326 : if (HasOnlyNoData(pabyData, m_nBlockXSize, nStripHeight,
809 : m_nBlockXSize, nComponents))
810 : {
811 28296 : return true;
812 : }
813 : }
814 : }
815 :
816 : /* -------------------------------------------------------------------- */
817 : /* TIFFWriteEncodedStrip can alter the passed buffer if */
818 : /* byte-swapping is necessary so we use a temporary buffer */
819 : /* before calling it. */
820 : /* -------------------------------------------------------------------- */
821 226386 : if (bPreserveDataBuffer &&
822 89199 : (TIFFIsByteSwapped(m_hTIFF) || m_panMaskOffsetLsb))
823 : {
824 294 : if (m_pabyTempWriteBuffer == nullptr)
825 : {
826 126 : m_pabyTempWriteBuffer = CPLMalloc(ccFull);
827 : }
828 294 : memcpy(m_pabyTempWriteBuffer, pabyData, cc);
829 294 : pabyData = static_cast<GByte *>(m_pabyTempWriteBuffer);
830 : }
831 :
832 : #if !defined(LIBTIFF_MULTIBAND_LERC_NAN_OK)
833 : const bool bIsLercFloatingPoint =
834 : m_nCompression == COMPRESSION_LERC &&
835 : (GetRasterBand(1)->GetRasterDataType() == GDT_Float32 ||
836 : GetRasterBand(1)->GetRasterDataType() == GDT_Float64);
837 : if (bIsLercFloatingPoint &&
838 : /* libtiff < 4.6.1 doesn't generate a LERC mask for multi-band contig configuration */
839 : m_nPlanarConfig == PLANARCONFIG_CONTIG && nBands > 1)
840 : {
841 : if (GetRasterBand(1)->GetRasterDataType() == GDT_Float32)
842 : WriteDealWithLercAndNan(reinterpret_cast<float *>(pabyData),
843 : m_nBlockXSize, nStripHeight, nStripHeight);
844 : else
845 : WriteDealWithLercAndNan(reinterpret_cast<double *>(pabyData),
846 : m_nBlockXSize, nStripHeight, nStripHeight);
847 : }
848 : #endif
849 :
850 137187 : if (m_panMaskOffsetLsb)
851 : {
852 366 : int iBand = m_nPlanarConfig == PLANARCONFIG_SEPARATE
853 183 : ? static_cast<int>(strip) / m_nBlocksPerBand
854 : : -1;
855 183 : DiscardLsb(pabyData, cc, iBand);
856 : }
857 :
858 137089 : if (m_bStreamingOut)
859 : {
860 1408 : if (strip != static_cast<uint32_t>(m_nLastWrittenBlockId + 1))
861 : {
862 1 : ReportError(CE_Failure, CPLE_NotSupported,
863 : "Attempt to write block %d whereas %d was expected",
864 1 : strip, m_nLastWrittenBlockId + 1);
865 1 : return false;
866 : }
867 1407 : if (static_cast<GPtrDiff_t>(VSIFWriteL(pabyData, 1, cc, m_fpToWrite)) !=
868 : cc)
869 : {
870 0 : ReportError(CE_Failure, CPLE_FileIO,
871 : "Could not write " CPL_FRMT_GUIB " bytes",
872 : static_cast<GUIntBig>(cc));
873 0 : return false;
874 : }
875 1407 : m_nLastWrittenBlockId = strip;
876 1407 : return true;
877 : }
878 :
879 : /* -------------------------------------------------------------------- */
880 : /* Should we do compression in a worker thread ? */
881 : /* -------------------------------------------------------------------- */
882 135681 : if (SubmitCompressionJob(strip, pabyData, cc, nStripHeight))
883 6731 : return true;
884 :
885 129050 : return TIFFWriteEncodedStrip(m_hTIFF, strip, pabyData, cc) == cc;
886 : }
887 :
888 : /************************************************************************/
889 : /* InitCompressionThreads() */
890 : /************************************************************************/
891 :
892 30548 : void GTiffDataset::InitCompressionThreads(bool bUpdateMode,
893 : CSLConstList papszOptions)
894 : {
895 : // Raster == tile, then no need for threads
896 30548 : if (m_nBlockXSize == nRasterXSize && m_nBlockYSize == nRasterYSize)
897 22295 : return;
898 :
899 8253 : const char *pszValue = CSLFetchNameValue(papszOptions, "NUM_THREADS");
900 8139 : if (pszValue == nullptr)
901 8075 : pszValue = CPLGetConfigOption("GDAL_NUM_THREADS", nullptr);
902 8168 : if (pszValue)
903 : {
904 : int nThreads =
905 96 : EQUAL(pszValue, "ALL_CPUS") ? CPLGetNumCPUs() : atoi(pszValue);
906 96 : if (nThreads > 1024)
907 0 : nThreads = 1024; // to please Coverity
908 96 : if (nThreads > 1)
909 : {
910 92 : if ((bUpdateMode && m_nCompression != COMPRESSION_NONE) ||
911 17 : (nBands >= 1 && IsMultiThreadedReadCompatible()))
912 : {
913 70 : CPLDebug("GTiff",
914 : "Using up to %d threads for compression/decompression",
915 : nThreads);
916 :
917 70 : m_poThreadPool = GDALGetGlobalThreadPool(nThreads);
918 70 : if (bUpdateMode && m_poThreadPool)
919 58 : m_poCompressQueue = m_poThreadPool->CreateJobQueue();
920 :
921 70 : if (m_poCompressQueue != nullptr)
922 : {
923 : // Add a margin of an extra job w.r.t thread number
924 : // so as to optimize compression time (enables the main
925 : // thread to do boring I/O while all CPUs are working).
926 58 : m_asCompressionJobs.resize(nThreads + 1);
927 58 : memset(&m_asCompressionJobs[0], 0,
928 58 : m_asCompressionJobs.size() *
929 : sizeof(GTiffCompressionJob));
930 58 : for (int i = 0;
931 280 : i < static_cast<int>(m_asCompressionJobs.size()); ++i)
932 : {
933 444 : m_asCompressionJobs[i].pszTmpFilename =
934 222 : CPLStrdup(VSIMemGenerateHiddenFilename(
935 : CPLSPrintf("thread_job_%d.tif", i)));
936 222 : m_asCompressionJobs[i].nStripOrTile = -1;
937 : }
938 :
939 : // This is kind of a hack, but basically using
940 : // TIFFWriteRawStrip/Tile and then TIFFReadEncodedStrip/Tile
941 : // does not work on a newly created file, because
942 : // TIFF_MYBUFFER is not set in tif_flags
943 : // (if using TIFFWriteEncodedStrip/Tile first,
944 : // TIFFWriteBufferSetup() is automatically called).
945 : // This should likely rather fixed in libtiff itself.
946 58 : CPL_IGNORE_RET_VAL(
947 58 : TIFFWriteBufferSetup(m_hTIFF, nullptr, -1));
948 : }
949 : }
950 : }
951 21 : else if (nThreads < 0 ||
952 21 : (!EQUAL(pszValue, "0") && !EQUAL(pszValue, "1") &&
953 3 : !EQUAL(pszValue, "ALL_CPUS")))
954 : {
955 3 : ReportError(CE_Warning, CPLE_AppDefined,
956 : "Invalid value for NUM_THREADS: %s", pszValue);
957 : }
958 : }
959 : }
960 :
961 : /************************************************************************/
962 : /* ThreadCompressionFunc() */
963 : /************************************************************************/
964 :
965 26514 : void GTiffDataset::ThreadCompressionFunc(void *pData)
966 : {
967 26514 : GTiffCompressionJob *psJob = static_cast<GTiffCompressionJob *>(pData);
968 26514 : GTiffDataset *poDS = psJob->poDS;
969 :
970 26514 : VSILFILE *fpTmp = VSIFOpenL(psJob->pszTmpFilename, "wb+");
971 26514 : TIFF *hTIFFTmp = VSI_TIFFOpen(
972 53028 : psJob->pszTmpFilename, psJob->bTIFFIsBigEndian ? "wb+" : "wl+", fpTmp);
973 26514 : CPLAssert(hTIFFTmp != nullptr);
974 26514 : TIFFSetField(hTIFFTmp, TIFFTAG_IMAGEWIDTH, poDS->m_nBlockXSize);
975 26514 : TIFFSetField(hTIFFTmp, TIFFTAG_IMAGELENGTH, psJob->nHeight);
976 26514 : TIFFSetField(hTIFFTmp, TIFFTAG_BITSPERSAMPLE, poDS->m_nBitsPerSample);
977 26514 : TIFFSetField(hTIFFTmp, TIFFTAG_COMPRESSION, poDS->m_nCompression);
978 26514 : TIFFSetField(hTIFFTmp, TIFFTAG_PHOTOMETRIC, poDS->m_nPhotometric);
979 26514 : TIFFSetField(hTIFFTmp, TIFFTAG_SAMPLEFORMAT, poDS->m_nSampleFormat);
980 26514 : TIFFSetField(hTIFFTmp, TIFFTAG_SAMPLESPERPIXEL, poDS->m_nSamplesPerPixel);
981 26513 : TIFFSetField(hTIFFTmp, TIFFTAG_ROWSPERSTRIP, poDS->m_nBlockYSize);
982 26514 : TIFFSetField(hTIFFTmp, TIFFTAG_PLANARCONFIG, poDS->m_nPlanarConfig);
983 26513 : if (psJob->nPredictor != PREDICTOR_NONE)
984 262 : TIFFSetField(hTIFFTmp, TIFFTAG_PREDICTOR, psJob->nPredictor);
985 26513 : if (poDS->m_nCompression == COMPRESSION_LERC)
986 : {
987 24 : TIFFSetField(hTIFFTmp, TIFFTAG_LERC_PARAMETERS, 2,
988 24 : poDS->m_anLercAddCompressionAndVersion);
989 : }
990 26513 : if (psJob->nExtraSampleCount)
991 : {
992 336 : TIFFSetField(hTIFFTmp, TIFFTAG_EXTRASAMPLES, psJob->nExtraSampleCount,
993 : psJob->pExtraSamples);
994 : }
995 :
996 26513 : poDS->RestoreVolatileParameters(hTIFFTmp);
997 :
998 53023 : bool bOK = TIFFWriteEncodedStrip(hTIFFTmp, 0, psJob->pabyBuffer,
999 26514 : psJob->nBufferSize) == psJob->nBufferSize;
1000 :
1001 26509 : toff_t nOffset = 0;
1002 26509 : if (bOK)
1003 : {
1004 26509 : toff_t *panOffsets = nullptr;
1005 26509 : toff_t *panByteCounts = nullptr;
1006 26509 : TIFFGetField(hTIFFTmp, TIFFTAG_STRIPOFFSETS, &panOffsets);
1007 26511 : TIFFGetField(hTIFFTmp, TIFFTAG_STRIPBYTECOUNTS, &panByteCounts);
1008 :
1009 26513 : nOffset = panOffsets[0];
1010 26513 : psJob->nCompressedBufferSize =
1011 26513 : static_cast<GPtrDiff_t>(panByteCounts[0]);
1012 : }
1013 : else
1014 : {
1015 0 : CPLError(CE_Failure, CPLE_AppDefined,
1016 : "Error when compressing strip/tile %d", psJob->nStripOrTile);
1017 : }
1018 :
1019 26513 : XTIFFClose(hTIFFTmp);
1020 26513 : if (VSIFCloseL(fpTmp) != 0)
1021 : {
1022 0 : if (bOK)
1023 : {
1024 0 : bOK = false;
1025 0 : CPLError(CE_Failure, CPLE_AppDefined,
1026 : "Error when compressing strip/tile %d",
1027 : psJob->nStripOrTile);
1028 : }
1029 : }
1030 :
1031 26511 : if (bOK)
1032 : {
1033 26511 : vsi_l_offset nFileSize = 0;
1034 : GByte *pabyCompressedBuffer =
1035 26511 : VSIGetMemFileBuffer(psJob->pszTmpFilename, &nFileSize, FALSE);
1036 26514 : CPLAssert(static_cast<vsi_l_offset>(
1037 : nOffset + psJob->nCompressedBufferSize) <= nFileSize);
1038 26514 : psJob->pabyCompressedBuffer = pabyCompressedBuffer + nOffset;
1039 : }
1040 : else
1041 : {
1042 0 : psJob->pabyCompressedBuffer = nullptr;
1043 0 : psJob->nCompressedBufferSize = 0;
1044 : }
1045 :
1046 26514 : auto poMainDS = poDS->m_poBaseDS ? poDS->m_poBaseDS : poDS;
1047 26514 : if (poMainDS->m_poCompressQueue)
1048 : {
1049 1576 : std::lock_guard oLock(poMainDS->m_oCompressThreadPoolMutex);
1050 1576 : psJob->bReady = true;
1051 : }
1052 26514 : }
1053 :
1054 : /************************************************************************/
1055 : /* WriteRawStripOrTile() */
1056 : /************************************************************************/
1057 :
1058 33817 : void GTiffDataset::WriteRawStripOrTile(int nStripOrTile,
1059 : GByte *pabyCompressedBuffer,
1060 : GPtrDiff_t nCompressedBufferSize)
1061 : {
1062 : #ifdef DEBUG_VERBOSE
1063 : CPLDebug("GTIFF", "Writing raw strip/tile %d, size " CPL_FRMT_GUIB,
1064 : nStripOrTile, static_cast<GUIntBig>(nCompressedBufferSize));
1065 : #endif
1066 33817 : toff_t *panOffsets = nullptr;
1067 33817 : toff_t *panByteCounts = nullptr;
1068 33817 : bool bWriteAtEnd = true;
1069 33817 : bool bWriteLeader = m_bLeaderSizeAsUInt4;
1070 33817 : bool bWriteTrailer = m_bTrailerRepeatedLast4BytesRepeated;
1071 33817 : if (TIFFGetField(m_hTIFF,
1072 33817 : TIFFIsTiled(m_hTIFF) ? TIFFTAG_TILEOFFSETS
1073 : : TIFFTAG_STRIPOFFSETS,
1074 33817 : &panOffsets) &&
1075 33817 : panOffsets != nullptr && panOffsets[nStripOrTile] != 0)
1076 : {
1077 : // Forces TIFFAppendStrip() to consider if the location of the
1078 : // tile/strip can be reused or if the strile should be written at end of
1079 : // file.
1080 360 : TIFFSetWriteOffset(m_hTIFF, 0);
1081 :
1082 360 : if (m_bBlockOrderRowMajor)
1083 : {
1084 264 : if (TIFFGetField(m_hTIFF,
1085 264 : TIFFIsTiled(m_hTIFF) ? TIFFTAG_TILEBYTECOUNTS
1086 : : TIFFTAG_STRIPBYTECOUNTS,
1087 528 : &panByteCounts) &&
1088 264 : panByteCounts != nullptr)
1089 : {
1090 264 : if (static_cast<GUIntBig>(nCompressedBufferSize) >
1091 264 : panByteCounts[nStripOrTile])
1092 : {
1093 8 : GTiffDataset *poRootDS = m_poBaseDS ? m_poBaseDS : this;
1094 8 : if (!poRootDS->m_bKnownIncompatibleEdition &&
1095 8 : !poRootDS->m_bWriteKnownIncompatibleEdition)
1096 : {
1097 8 : ReportError(
1098 : CE_Warning, CPLE_AppDefined,
1099 : "A strile cannot be rewritten in place, which "
1100 : "invalidates the BLOCK_ORDER optimization.");
1101 8 : poRootDS->m_bKnownIncompatibleEdition = true;
1102 8 : poRootDS->m_bWriteKnownIncompatibleEdition = true;
1103 : }
1104 : }
1105 : // For mask interleaving, if the size is not exactly the same,
1106 : // completely give up (we could potentially move the mask in
1107 : // case the imagery is smaller)
1108 256 : else if (m_poMaskDS && m_bMaskInterleavedWithImagery &&
1109 0 : static_cast<GUIntBig>(nCompressedBufferSize) !=
1110 0 : panByteCounts[nStripOrTile])
1111 : {
1112 0 : GTiffDataset *poRootDS = m_poBaseDS ? m_poBaseDS : this;
1113 0 : if (!poRootDS->m_bKnownIncompatibleEdition &&
1114 0 : !poRootDS->m_bWriteKnownIncompatibleEdition)
1115 : {
1116 0 : ReportError(
1117 : CE_Warning, CPLE_AppDefined,
1118 : "A strile cannot be rewritten in place, which "
1119 : "invalidates the MASK_INTERLEAVED_WITH_IMAGERY "
1120 : "optimization.");
1121 0 : poRootDS->m_bKnownIncompatibleEdition = true;
1122 0 : poRootDS->m_bWriteKnownIncompatibleEdition = true;
1123 : }
1124 0 : bWriteLeader = false;
1125 0 : bWriteTrailer = false;
1126 0 : if (m_bLeaderSizeAsUInt4)
1127 : {
1128 : // If there was a valid leader, invalidat it
1129 0 : VSI_TIFFSeek(m_hTIFF, panOffsets[nStripOrTile] - 4,
1130 : SEEK_SET);
1131 : uint32_t nOldSize;
1132 0 : VSIFReadL(&nOldSize, 1, 4,
1133 : VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF)));
1134 0 : CPL_LSBPTR32(&nOldSize);
1135 0 : if (nOldSize == panByteCounts[nStripOrTile])
1136 : {
1137 0 : uint32_t nInvalidatedSize = 0;
1138 0 : VSI_TIFFSeek(m_hTIFF, panOffsets[nStripOrTile] - 4,
1139 : SEEK_SET);
1140 0 : VSI_TIFFWrite(m_hTIFF, &nInvalidatedSize,
1141 : sizeof(nInvalidatedSize));
1142 : }
1143 0 : }
1144 : }
1145 : else
1146 : {
1147 256 : bWriteAtEnd = false;
1148 : }
1149 : }
1150 : }
1151 : }
1152 33817 : if (bWriteLeader &&
1153 24943 : static_cast<GUIntBig>(nCompressedBufferSize) <= 0xFFFFFFFFU)
1154 : {
1155 : // cppcheck-suppress knownConditionTrueFalse
1156 24943 : if (bWriteAtEnd)
1157 : {
1158 24687 : VSI_TIFFSeek(m_hTIFF, 0, SEEK_END);
1159 : }
1160 : else
1161 : {
1162 : // If we rewrite an existing strile in place with an existing
1163 : // leader, check that the leader is valid, before rewriting it. And
1164 : // if it is not valid, then do not write the trailer, as we could
1165 : // corrupt other data.
1166 256 : VSI_TIFFSeek(m_hTIFF, panOffsets[nStripOrTile] - 4, SEEK_SET);
1167 : uint32_t nOldSize;
1168 256 : VSIFReadL(&nOldSize, 1, 4,
1169 : VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF)));
1170 256 : CPL_LSBPTR32(&nOldSize);
1171 256 : bWriteLeader =
1172 256 : panByteCounts && nOldSize == panByteCounts[nStripOrTile];
1173 256 : bWriteTrailer = bWriteLeader;
1174 256 : VSI_TIFFSeek(m_hTIFF, panOffsets[nStripOrTile] - 4, SEEK_SET);
1175 : }
1176 : // cppcheck-suppress knownConditionTrueFalse
1177 24943 : if (bWriteLeader)
1178 : {
1179 24943 : uint32_t nSize = static_cast<uint32_t>(nCompressedBufferSize);
1180 24943 : CPL_LSBPTR32(&nSize);
1181 24943 : if (!VSI_TIFFWrite(m_hTIFF, &nSize, sizeof(nSize)))
1182 0 : m_bWriteError = true;
1183 : }
1184 : }
1185 : tmsize_t written;
1186 33817 : if (TIFFIsTiled(m_hTIFF))
1187 26160 : written = TIFFWriteRawTile(m_hTIFF, nStripOrTile, pabyCompressedBuffer,
1188 : nCompressedBufferSize);
1189 : else
1190 7657 : written = TIFFWriteRawStrip(m_hTIFF, nStripOrTile, pabyCompressedBuffer,
1191 : nCompressedBufferSize);
1192 33817 : if (written != nCompressedBufferSize)
1193 12 : m_bWriteError = true;
1194 33817 : if (bWriteTrailer &&
1195 24943 : static_cast<GUIntBig>(nCompressedBufferSize) <= 0xFFFFFFFFU)
1196 : {
1197 24943 : GByte abyLastBytes[4] = {};
1198 24943 : if (nCompressedBufferSize >= 4)
1199 24943 : memcpy(abyLastBytes,
1200 24943 : pabyCompressedBuffer + nCompressedBufferSize - 4, 4);
1201 : else
1202 0 : memcpy(abyLastBytes, pabyCompressedBuffer, nCompressedBufferSize);
1203 24943 : if (!VSI_TIFFWrite(m_hTIFF, abyLastBytes, 4))
1204 0 : m_bWriteError = true;
1205 : }
1206 33817 : }
1207 :
1208 : /************************************************************************/
1209 : /* WaitCompletionForJobIdx() */
1210 : /************************************************************************/
1211 :
1212 1576 : void GTiffDataset::WaitCompletionForJobIdx(int i)
1213 : {
1214 1576 : auto poMainDS = m_poBaseDS ? m_poBaseDS : this;
1215 1576 : auto poQueue = poMainDS->m_poCompressQueue.get();
1216 1576 : auto &oQueue = poMainDS->m_asQueueJobIdx;
1217 1576 : auto &asJobs = poMainDS->m_asCompressionJobs;
1218 1576 : auto &mutex = poMainDS->m_oCompressThreadPoolMutex;
1219 :
1220 1576 : CPLAssert(i >= 0 && static_cast<size_t>(i) < asJobs.size());
1221 1576 : CPLAssert(asJobs[i].nStripOrTile >= 0);
1222 1576 : CPLAssert(!oQueue.empty());
1223 :
1224 1576 : bool bHasWarned = false;
1225 : while (true)
1226 : {
1227 : bool bReady;
1228 : {
1229 2302 : std::lock_guard oLock(mutex);
1230 2302 : bReady = asJobs[i].bReady;
1231 : }
1232 2302 : if (!bReady)
1233 : {
1234 726 : if (!bHasWarned)
1235 : {
1236 454 : CPLDebug("GTIFF",
1237 : "Waiting for worker job to finish handling block %d",
1238 454 : asJobs[i].nStripOrTile);
1239 454 : bHasWarned = true;
1240 : }
1241 726 : poQueue->GetPool()->WaitEvent();
1242 : }
1243 : else
1244 : {
1245 1576 : break;
1246 : }
1247 726 : }
1248 :
1249 1576 : if (asJobs[i].nCompressedBufferSize)
1250 : {
1251 3152 : asJobs[i].poDS->WriteRawStripOrTile(asJobs[i].nStripOrTile,
1252 1576 : asJobs[i].pabyCompressedBuffer,
1253 1576 : asJobs[i].nCompressedBufferSize);
1254 : }
1255 1576 : asJobs[i].pabyCompressedBuffer = nullptr;
1256 1576 : asJobs[i].nBufferSize = 0;
1257 : {
1258 : // Likely useless, but makes Coverity happy
1259 1576 : std::lock_guard oLock(mutex);
1260 1576 : asJobs[i].bReady = false;
1261 : }
1262 1576 : asJobs[i].nStripOrTile = -1;
1263 1576 : oQueue.pop();
1264 1576 : }
1265 :
1266 : /************************************************************************/
1267 : /* WaitCompletionForBlock() */
1268 : /************************************************************************/
1269 :
1270 2300300 : void GTiffDataset::WaitCompletionForBlock(int nBlockId)
1271 : {
1272 2300300 : auto poQueue = m_poBaseDS ? m_poBaseDS->m_poCompressQueue.get()
1273 2281150 : : m_poCompressQueue.get();
1274 : // cppcheck-suppress constVariableReference
1275 2300120 : auto &oQueue = m_poBaseDS ? m_poBaseDS->m_asQueueJobIdx : m_asQueueJobIdx;
1276 : // cppcheck-suppress constVariableReference
1277 2280970 : auto &asJobs =
1278 2300120 : m_poBaseDS ? m_poBaseDS->m_asCompressionJobs : m_asCompressionJobs;
1279 :
1280 2300120 : if (poQueue != nullptr && !oQueue.empty())
1281 : {
1282 1066 : for (int i = 0; i < static_cast<int>(asJobs.size()); ++i)
1283 : {
1284 888 : if (asJobs[i].poDS == this && asJobs[i].nStripOrTile == nBlockId)
1285 : {
1286 128 : while (!oQueue.empty() &&
1287 64 : !(asJobs[oQueue.front()].poDS == this &&
1288 64 : asJobs[oQueue.front()].nStripOrTile == nBlockId))
1289 : {
1290 0 : WaitCompletionForJobIdx(oQueue.front());
1291 : }
1292 64 : CPLAssert(!oQueue.empty() &&
1293 : asJobs[oQueue.front()].poDS == this &&
1294 : asJobs[oQueue.front()].nStripOrTile == nBlockId);
1295 64 : WaitCompletionForJobIdx(oQueue.front());
1296 : }
1297 : }
1298 : }
1299 2300120 : }
1300 :
1301 : /************************************************************************/
1302 : /* SubmitCompressionJob() */
1303 : /************************************************************************/
1304 :
1305 184375 : bool GTiffDataset::SubmitCompressionJob(int nStripOrTile, GByte *pabyData,
1306 : GPtrDiff_t cc, int nHeight)
1307 : {
1308 : /* -------------------------------------------------------------------- */
1309 : /* Should we do compression in a worker thread ? */
1310 : /* -------------------------------------------------------------------- */
1311 184375 : auto poQueue = m_poBaseDS ? m_poBaseDS->m_poCompressQueue.get()
1312 170406 : : m_poCompressQueue.get();
1313 :
1314 184404 : if (poQueue && m_nCompression == COMPRESSION_NONE)
1315 : {
1316 : // We don't do multi-threaded compression for uncompressed...
1317 : // but we must wait for other related compression tasks (e.g mask)
1318 : // to be completed
1319 0 : poQueue->WaitCompletion();
1320 :
1321 : // Flush remaining data
1322 : // cppcheck-suppress constVariableReference
1323 0 : auto &oQueue =
1324 0 : m_poBaseDS ? m_poBaseDS->m_asQueueJobIdx : m_asQueueJobIdx;
1325 0 : while (!oQueue.empty())
1326 : {
1327 0 : WaitCompletionForJobIdx(oQueue.front());
1328 : }
1329 : }
1330 :
1331 : const auto SetupJob =
1332 122734 : [this, pabyData, cc, nHeight, nStripOrTile](GTiffCompressionJob &sJob)
1333 : {
1334 26514 : sJob.poDS = this;
1335 26514 : sJob.bTIFFIsBigEndian = CPL_TO_BOOL(TIFFIsBigEndian(m_hTIFF));
1336 : GByte *pabyBuffer =
1337 26514 : static_cast<GByte *>(VSI_REALLOC_VERBOSE(sJob.pabyBuffer, cc));
1338 26514 : if (!pabyBuffer)
1339 0 : return false;
1340 26514 : sJob.pabyBuffer = pabyBuffer;
1341 26514 : memcpy(sJob.pabyBuffer, pabyData, cc);
1342 26514 : sJob.nBufferSize = cc;
1343 26514 : sJob.nHeight = nHeight;
1344 26514 : sJob.nStripOrTile = nStripOrTile;
1345 26514 : sJob.nPredictor = PREDICTOR_NONE;
1346 26514 : if (GTIFFSupportsPredictor(m_nCompression))
1347 : {
1348 16678 : TIFFGetField(m_hTIFF, TIFFTAG_PREDICTOR, &sJob.nPredictor);
1349 : }
1350 :
1351 26514 : sJob.pExtraSamples = nullptr;
1352 26514 : sJob.nExtraSampleCount = 0;
1353 26514 : TIFFGetField(m_hTIFF, TIFFTAG_EXTRASAMPLES, &sJob.nExtraSampleCount,
1354 : &sJob.pExtraSamples);
1355 26514 : return true;
1356 184404 : };
1357 :
1358 184404 : if (poQueue == nullptr || !(m_nCompression == COMPRESSION_ADOBE_DEFLATE ||
1359 806 : m_nCompression == COMPRESSION_LZW ||
1360 78 : m_nCompression == COMPRESSION_PACKBITS ||
1361 72 : m_nCompression == COMPRESSION_LZMA ||
1362 62 : m_nCompression == COMPRESSION_ZSTD ||
1363 52 : m_nCompression == COMPRESSION_LERC ||
1364 46 : m_nCompression == COMPRESSION_JXL ||
1365 46 : m_nCompression == COMPRESSION_JXL_DNG_1_7 ||
1366 28 : m_nCompression == COMPRESSION_WEBP ||
1367 18 : m_nCompression == COMPRESSION_JPEG))
1368 : {
1369 182828 : if (m_bBlockOrderRowMajor || m_bLeaderSizeAsUInt4 ||
1370 157897 : m_bTrailerRepeatedLast4BytesRepeated)
1371 : {
1372 : GTiffCompressionJob sJob;
1373 24935 : memset(&sJob, 0, sizeof(sJob));
1374 24935 : if (SetupJob(sJob))
1375 : {
1376 24938 : sJob.pszTmpFilename =
1377 24938 : CPLStrdup(VSIMemGenerateHiddenFilename("temp.tif"));
1378 :
1379 24938 : ThreadCompressionFunc(&sJob);
1380 :
1381 24938 : if (sJob.nCompressedBufferSize)
1382 : {
1383 24938 : sJob.poDS->WriteRawStripOrTile(sJob.nStripOrTile,
1384 : sJob.pabyCompressedBuffer,
1385 : sJob.nCompressedBufferSize);
1386 : }
1387 :
1388 24938 : CPLFree(sJob.pabyBuffer);
1389 24938 : VSIUnlink(sJob.pszTmpFilename);
1390 24938 : CPLFree(sJob.pszTmpFilename);
1391 24938 : return sJob.nCompressedBufferSize > 0 && !m_bWriteError;
1392 : }
1393 : }
1394 :
1395 157893 : return false;
1396 : }
1397 :
1398 1576 : auto poMainDS = m_poBaseDS ? m_poBaseDS : this;
1399 1576 : auto &oQueue = poMainDS->m_asQueueJobIdx;
1400 1576 : auto &asJobs = poMainDS->m_asCompressionJobs;
1401 :
1402 1576 : int nNextCompressionJobAvail = -1;
1403 :
1404 1576 : if (oQueue.size() == asJobs.size())
1405 : {
1406 1443 : CPLAssert(!oQueue.empty());
1407 1443 : nNextCompressionJobAvail = oQueue.front();
1408 1443 : WaitCompletionForJobIdx(nNextCompressionJobAvail);
1409 : }
1410 : else
1411 : {
1412 133 : const int nJobs = static_cast<int>(asJobs.size());
1413 324 : for (int i = 0; i < nJobs; ++i)
1414 : {
1415 324 : if (asJobs[i].nBufferSize == 0)
1416 : {
1417 133 : nNextCompressionJobAvail = i;
1418 133 : break;
1419 : }
1420 : }
1421 : }
1422 1576 : CPLAssert(nNextCompressionJobAvail >= 0);
1423 :
1424 1576 : GTiffCompressionJob *psJob = &asJobs[nNextCompressionJobAvail];
1425 1576 : bool bOK = SetupJob(*psJob);
1426 1576 : if (bOK)
1427 : {
1428 1576 : poQueue->SubmitJob(ThreadCompressionFunc, psJob);
1429 1576 : oQueue.push(nNextCompressionJobAvail);
1430 : }
1431 :
1432 1576 : return bOK;
1433 : }
1434 :
1435 : /************************************************************************/
1436 : /* DiscardLsb() */
1437 : /************************************************************************/
1438 :
1439 272 : template <class T> bool MustNotDiscardLsb(T value, bool bHasNoData, T nodata)
1440 : {
1441 272 : return bHasNoData && value == nodata;
1442 : }
1443 :
1444 : template <>
1445 44 : bool MustNotDiscardLsb<float>(float value, bool bHasNoData, float nodata)
1446 : {
1447 44 : return (bHasNoData && value == nodata) || !std::isfinite(value);
1448 : }
1449 :
1450 : template <>
1451 44 : bool MustNotDiscardLsb<double>(double value, bool bHasNoData, double nodata)
1452 : {
1453 44 : return (bHasNoData && value == nodata) || !std::isfinite(value);
1454 : }
1455 :
1456 : template <class T> T AdjustValue(T value, uint64_t nRoundUpBitTest);
1457 :
1458 10 : template <class T> T AdjustValueInt(T value, uint64_t nRoundUpBitTest)
1459 : {
1460 10 : if (value >=
1461 10 : static_cast<T>(std::numeric_limits<T>::max() - (nRoundUpBitTest << 1)))
1462 0 : return static_cast<T>(value - (nRoundUpBitTest << 1));
1463 10 : return static_cast<T>(value + (nRoundUpBitTest << 1));
1464 : }
1465 :
1466 0 : template <> int8_t AdjustValue<int8_t>(int8_t value, uint64_t nRoundUpBitTest)
1467 : {
1468 0 : return AdjustValueInt(value, nRoundUpBitTest);
1469 : }
1470 :
1471 : template <>
1472 2 : uint8_t AdjustValue<uint8_t>(uint8_t value, uint64_t nRoundUpBitTest)
1473 : {
1474 2 : return AdjustValueInt(value, nRoundUpBitTest);
1475 : }
1476 :
1477 : template <>
1478 2 : int16_t AdjustValue<int16_t>(int16_t value, uint64_t nRoundUpBitTest)
1479 : {
1480 2 : return AdjustValueInt(value, nRoundUpBitTest);
1481 : }
1482 :
1483 : template <>
1484 2 : uint16_t AdjustValue<uint16_t>(uint16_t value, uint64_t nRoundUpBitTest)
1485 : {
1486 2 : return AdjustValueInt(value, nRoundUpBitTest);
1487 : }
1488 :
1489 : template <>
1490 2 : int32_t AdjustValue<int32_t>(int32_t value, uint64_t nRoundUpBitTest)
1491 : {
1492 2 : return AdjustValueInt(value, nRoundUpBitTest);
1493 : }
1494 :
1495 : template <>
1496 2 : uint32_t AdjustValue<uint32_t>(uint32_t value, uint64_t nRoundUpBitTest)
1497 : {
1498 2 : return AdjustValueInt(value, nRoundUpBitTest);
1499 : }
1500 :
1501 : template <>
1502 0 : int64_t AdjustValue<int64_t>(int64_t value, uint64_t nRoundUpBitTest)
1503 : {
1504 0 : return AdjustValueInt(value, nRoundUpBitTest);
1505 : }
1506 :
1507 : template <>
1508 0 : uint64_t AdjustValue<uint64_t>(uint64_t value, uint64_t nRoundUpBitTest)
1509 : {
1510 0 : return AdjustValueInt(value, nRoundUpBitTest);
1511 : }
1512 :
1513 0 : template <> GFloat16 AdjustValue<GFloat16>(GFloat16 value, uint64_t)
1514 : {
1515 : using std::nextafter;
1516 0 : return nextafter(value, cpl::NumericLimits<GFloat16>::max());
1517 : }
1518 :
1519 0 : template <> float AdjustValue<float>(float value, uint64_t)
1520 : {
1521 0 : return std::nextafter(value, std::numeric_limits<float>::max());
1522 : }
1523 :
1524 0 : template <> double AdjustValue<double>(double value, uint64_t)
1525 : {
1526 0 : return std::nextafter(value, std::numeric_limits<double>::max());
1527 : }
1528 :
1529 : template <class Teffective, class T>
1530 : T RoundValueDiscardLsb(const void *ptr, uint64_t nMask,
1531 : uint64_t nRoundUpBitTest);
1532 :
1533 : template <class T>
1534 16 : T RoundValueDiscardLsbUnsigned(const void *ptr, uint64_t nMask,
1535 : uint64_t nRoundUpBitTest)
1536 : {
1537 32 : if ((*reinterpret_cast<const T *>(ptr) & nMask) >
1538 16 : static_cast<uint64_t>(std::numeric_limits<T>::max()) -
1539 16 : (nRoundUpBitTest << 1U))
1540 : {
1541 4 : return static_cast<T>(std::numeric_limits<T>::max() & nMask);
1542 : }
1543 12 : const uint64_t newval =
1544 12 : (*reinterpret_cast<const T *>(ptr) & nMask) + (nRoundUpBitTest << 1U);
1545 12 : return static_cast<T>(newval);
1546 : }
1547 :
1548 : template <class T>
1549 18 : T RoundValueDiscardLsbSigned(const void *ptr, uint64_t nMask,
1550 : uint64_t nRoundUpBitTest)
1551 : {
1552 18 : T oldval = *reinterpret_cast<const T *>(ptr);
1553 18 : if (oldval < 0)
1554 : {
1555 4 : return static_cast<T>(oldval & nMask);
1556 : }
1557 14 : const uint64_t newval =
1558 14 : (*reinterpret_cast<const T *>(ptr) & nMask) + (nRoundUpBitTest << 1U);
1559 14 : if (newval > static_cast<uint64_t>(std::numeric_limits<T>::max()))
1560 4 : return static_cast<T>(std::numeric_limits<T>::max() & nMask);
1561 10 : return static_cast<T>(newval);
1562 : }
1563 :
1564 : template <>
1565 11 : uint16_t RoundValueDiscardLsb<uint16_t, uint16_t>(const void *ptr,
1566 : uint64_t nMask,
1567 : uint64_t nRoundUpBitTest)
1568 : {
1569 11 : return RoundValueDiscardLsbUnsigned<uint16_t>(ptr, nMask, nRoundUpBitTest);
1570 : }
1571 :
1572 : template <>
1573 5 : uint32_t RoundValueDiscardLsb<uint32_t, uint32_t>(const void *ptr,
1574 : uint64_t nMask,
1575 : uint64_t nRoundUpBitTest)
1576 : {
1577 5 : return RoundValueDiscardLsbUnsigned<uint32_t>(ptr, nMask, nRoundUpBitTest);
1578 : }
1579 :
1580 : template <>
1581 0 : uint64_t RoundValueDiscardLsb<uint64_t, uint64_t>(const void *ptr,
1582 : uint64_t nMask,
1583 : uint64_t nRoundUpBitTest)
1584 : {
1585 0 : return RoundValueDiscardLsbUnsigned<uint64_t>(ptr, nMask, nRoundUpBitTest);
1586 : }
1587 :
1588 : template <>
1589 0 : int8_t RoundValueDiscardLsb<int8_t, int8_t>(const void *ptr, uint64_t nMask,
1590 : uint64_t nRoundUpBitTest)
1591 : {
1592 0 : return RoundValueDiscardLsbSigned<int8_t>(ptr, nMask, nRoundUpBitTest);
1593 : }
1594 :
1595 : template <>
1596 13 : int16_t RoundValueDiscardLsb<int16_t, int16_t>(const void *ptr, uint64_t nMask,
1597 : uint64_t nRoundUpBitTest)
1598 : {
1599 13 : return RoundValueDiscardLsbSigned<int16_t>(ptr, nMask, nRoundUpBitTest);
1600 : }
1601 :
1602 : template <>
1603 5 : int32_t RoundValueDiscardLsb<int32_t, int32_t>(const void *ptr, uint64_t nMask,
1604 : uint64_t nRoundUpBitTest)
1605 : {
1606 5 : return RoundValueDiscardLsbSigned<int32_t>(ptr, nMask, nRoundUpBitTest);
1607 : }
1608 :
1609 : template <>
1610 0 : int64_t RoundValueDiscardLsb<int64_t, int64_t>(const void *ptr, uint64_t nMask,
1611 : uint64_t nRoundUpBitTest)
1612 : {
1613 0 : return RoundValueDiscardLsbSigned<int64_t>(ptr, nMask, nRoundUpBitTest);
1614 : }
1615 :
1616 : template <>
1617 0 : uint16_t RoundValueDiscardLsb<GFloat16, uint16_t>(const void *ptr,
1618 : uint64_t nMask,
1619 : uint64_t nRoundUpBitTest)
1620 : {
1621 0 : return RoundValueDiscardLsbUnsigned<uint16_t>(ptr, nMask, nRoundUpBitTest);
1622 : }
1623 :
1624 : template <>
1625 0 : uint32_t RoundValueDiscardLsb<float, uint32_t>(const void *ptr, uint64_t nMask,
1626 : uint64_t nRoundUpBitTest)
1627 : {
1628 0 : return RoundValueDiscardLsbUnsigned<uint32_t>(ptr, nMask, nRoundUpBitTest);
1629 : }
1630 :
1631 : template <>
1632 0 : uint64_t RoundValueDiscardLsb<double, uint64_t>(const void *ptr, uint64_t nMask,
1633 : uint64_t nRoundUpBitTest)
1634 : {
1635 0 : return RoundValueDiscardLsbUnsigned<uint64_t>(ptr, nMask, nRoundUpBitTest);
1636 : }
1637 :
1638 : template <class Teffective, class T>
1639 145 : static void DiscardLsbT(GByte *pabyBuffer, size_t nBytes, int iBand, int nBands,
1640 : uint16_t nPlanarConfig,
1641 : const GTiffDataset::MaskOffset *panMaskOffsetLsb,
1642 : bool bHasNoData, Teffective nNoDataValue)
1643 : {
1644 : static_assert(sizeof(Teffective) == sizeof(T),
1645 : "sizeof(Teffective) == sizeof(T)");
1646 145 : if (nPlanarConfig == PLANARCONFIG_SEPARATE)
1647 : {
1648 98 : const auto nMask = panMaskOffsetLsb[iBand].nMask;
1649 98 : const auto nRoundUpBitTest = panMaskOffsetLsb[iBand].nRoundUpBitTest;
1650 196 : for (size_t i = 0; i < nBytes / sizeof(T); ++i)
1651 : {
1652 98 : if (MustNotDiscardLsb(reinterpret_cast<Teffective *>(pabyBuffer)[i],
1653 : bHasNoData, nNoDataValue))
1654 : {
1655 22 : continue;
1656 : }
1657 :
1658 76 : if (reinterpret_cast<T *>(pabyBuffer)[i] & nRoundUpBitTest)
1659 : {
1660 30 : reinterpret_cast<T *>(pabyBuffer)[i] =
1661 15 : RoundValueDiscardLsb<Teffective, T>(
1662 15 : &(reinterpret_cast<T *>(pabyBuffer)[i]), nMask,
1663 : nRoundUpBitTest);
1664 : }
1665 : else
1666 : {
1667 61 : reinterpret_cast<T *>(pabyBuffer)[i] = static_cast<T>(
1668 61 : reinterpret_cast<T *>(pabyBuffer)[i] & nMask);
1669 : }
1670 :
1671 : // Make sure that by discarding LSB we don't end up to a value
1672 : // that is no the nodata value
1673 76 : if (MustNotDiscardLsb(reinterpret_cast<Teffective *>(pabyBuffer)[i],
1674 : bHasNoData, nNoDataValue))
1675 : {
1676 8 : reinterpret_cast<Teffective *>(pabyBuffer)[i] =
1677 4 : AdjustValue(nNoDataValue, nRoundUpBitTest);
1678 : }
1679 : }
1680 : }
1681 : else
1682 : {
1683 94 : for (size_t i = 0; i < nBytes / sizeof(T); i += nBands)
1684 : {
1685 147 : for (int j = 0; j < nBands; ++j)
1686 : {
1687 100 : if (MustNotDiscardLsb(
1688 100 : reinterpret_cast<Teffective *>(pabyBuffer)[i + j],
1689 : bHasNoData, nNoDataValue))
1690 : {
1691 14 : continue;
1692 : }
1693 :
1694 86 : if (reinterpret_cast<T *>(pabyBuffer)[i + j] &
1695 86 : panMaskOffsetLsb[j].nRoundUpBitTest)
1696 : {
1697 38 : reinterpret_cast<T *>(pabyBuffer)[i + j] =
1698 19 : RoundValueDiscardLsb<Teffective, T>(
1699 19 : &(reinterpret_cast<T *>(pabyBuffer)[i + j]),
1700 19 : panMaskOffsetLsb[j].nMask,
1701 19 : panMaskOffsetLsb[j].nRoundUpBitTest);
1702 : }
1703 : else
1704 : {
1705 67 : reinterpret_cast<T *>(pabyBuffer)[i + j] = static_cast<T>(
1706 67 : (reinterpret_cast<T *>(pabyBuffer)[i + j] &
1707 67 : panMaskOffsetLsb[j].nMask));
1708 : }
1709 :
1710 : // Make sure that by discarding LSB we don't end up to a value
1711 : // that is no the nodata value
1712 86 : if (MustNotDiscardLsb(
1713 86 : reinterpret_cast<Teffective *>(pabyBuffer)[i + j],
1714 : bHasNoData, nNoDataValue))
1715 : {
1716 8 : reinterpret_cast<Teffective *>(pabyBuffer)[i + j] =
1717 4 : AdjustValue(nNoDataValue,
1718 4 : panMaskOffsetLsb[j].nRoundUpBitTest);
1719 : }
1720 : }
1721 : }
1722 : }
1723 145 : }
1724 :
1725 183 : static void DiscardLsb(GByte *pabyBuffer, GPtrDiff_t nBytes, int iBand,
1726 : int nBands, uint16_t nSampleFormat,
1727 : uint16_t nBitsPerSample, uint16_t nPlanarConfig,
1728 : const GTiffDataset::MaskOffset *panMaskOffsetLsb,
1729 : bool bHasNoData, double dfNoDataValue)
1730 : {
1731 183 : if (nBitsPerSample == 8 && nSampleFormat == SAMPLEFORMAT_UINT)
1732 : {
1733 38 : uint8_t nNoDataValue = 0;
1734 38 : if (bHasNoData && GDALIsValueExactAs<uint8_t>(dfNoDataValue))
1735 : {
1736 6 : nNoDataValue = static_cast<uint8_t>(dfNoDataValue);
1737 : }
1738 : else
1739 : {
1740 32 : bHasNoData = false;
1741 : }
1742 38 : if (nPlanarConfig == PLANARCONFIG_SEPARATE)
1743 : {
1744 25 : const auto nMask =
1745 25 : static_cast<unsigned>(panMaskOffsetLsb[iBand].nMask);
1746 25 : const auto nRoundUpBitTest =
1747 25 : static_cast<unsigned>(panMaskOffsetLsb[iBand].nRoundUpBitTest);
1748 50 : for (decltype(nBytes) i = 0; i < nBytes; ++i)
1749 : {
1750 25 : if (bHasNoData && pabyBuffer[i] == nNoDataValue)
1751 3 : continue;
1752 :
1753 : // Keep 255 in case it is alpha.
1754 22 : if (pabyBuffer[i] != 255)
1755 : {
1756 21 : if (pabyBuffer[i] & nRoundUpBitTest)
1757 5 : pabyBuffer[i] = static_cast<GByte>(
1758 5 : std::min(255U, (pabyBuffer[i] & nMask) +
1759 5 : (nRoundUpBitTest << 1U)));
1760 : else
1761 16 : pabyBuffer[i] =
1762 16 : static_cast<GByte>(pabyBuffer[i] & nMask);
1763 :
1764 : // Make sure that by discarding LSB we don't end up to a
1765 : // value that is no the nodata value
1766 21 : if (bHasNoData && pabyBuffer[i] == nNoDataValue)
1767 2 : pabyBuffer[i] =
1768 1 : AdjustValue(nNoDataValue, nRoundUpBitTest);
1769 : }
1770 : }
1771 : }
1772 : else
1773 : {
1774 26 : for (decltype(nBytes) i = 0; i < nBytes; i += nBands)
1775 : {
1776 42 : for (int j = 0; j < nBands; ++j)
1777 : {
1778 29 : if (bHasNoData && pabyBuffer[i + j] == nNoDataValue)
1779 2 : continue;
1780 :
1781 : // Keep 255 in case it is alpha.
1782 27 : if (pabyBuffer[i + j] != 255)
1783 : {
1784 25 : if (pabyBuffer[i + j] &
1785 25 : panMaskOffsetLsb[j].nRoundUpBitTest)
1786 : {
1787 6 : pabyBuffer[i + j] = static_cast<GByte>(std::min(
1788 12 : 255U,
1789 6 : (pabyBuffer[i + j] &
1790 : static_cast<unsigned>(
1791 6 : panMaskOffsetLsb[j].nMask)) +
1792 : (static_cast<unsigned>(
1793 6 : panMaskOffsetLsb[j].nRoundUpBitTest)
1794 6 : << 1U)));
1795 : }
1796 : else
1797 : {
1798 19 : pabyBuffer[i + j] = static_cast<GByte>(
1799 19 : pabyBuffer[i + j] & panMaskOffsetLsb[j].nMask);
1800 : }
1801 :
1802 : // Make sure that by discarding LSB we don't end up to a
1803 : // value that is no the nodata value
1804 25 : if (bHasNoData && pabyBuffer[i + j] == nNoDataValue)
1805 1 : pabyBuffer[i + j] = AdjustValue(
1806 : nNoDataValue,
1807 1 : panMaskOffsetLsb[j].nRoundUpBitTest);
1808 : }
1809 : }
1810 : }
1811 38 : }
1812 : }
1813 145 : else if (nBitsPerSample == 8 && nSampleFormat == SAMPLEFORMAT_INT)
1814 : {
1815 0 : int8_t nNoDataValue = 0;
1816 0 : if (bHasNoData && GDALIsValueExactAs<int8_t>(dfNoDataValue))
1817 : {
1818 0 : nNoDataValue = static_cast<int8_t>(dfNoDataValue);
1819 : }
1820 : else
1821 : {
1822 0 : bHasNoData = false;
1823 : }
1824 0 : DiscardLsbT<int8_t, int8_t>(pabyBuffer, nBytes, iBand, nBands,
1825 : nPlanarConfig, panMaskOffsetLsb, bHasNoData,
1826 0 : nNoDataValue);
1827 : }
1828 145 : else if (nBitsPerSample == 16 && nSampleFormat == SAMPLEFORMAT_INT)
1829 : {
1830 48 : int16_t nNoDataValue = 0;
1831 48 : if (bHasNoData && GDALIsValueExactAs<int16_t>(dfNoDataValue))
1832 : {
1833 6 : nNoDataValue = static_cast<int16_t>(dfNoDataValue);
1834 : }
1835 : else
1836 : {
1837 42 : bHasNoData = false;
1838 : }
1839 48 : DiscardLsbT<int16_t, int16_t>(pabyBuffer, nBytes, iBand, nBands,
1840 : nPlanarConfig, panMaskOffsetLsb,
1841 48 : bHasNoData, nNoDataValue);
1842 : }
1843 97 : else if (nBitsPerSample == 16 && nSampleFormat == SAMPLEFORMAT_UINT)
1844 : {
1845 33 : uint16_t nNoDataValue = 0;
1846 33 : if (bHasNoData && GDALIsValueExactAs<uint16_t>(dfNoDataValue))
1847 : {
1848 6 : nNoDataValue = static_cast<uint16_t>(dfNoDataValue);
1849 : }
1850 : else
1851 : {
1852 27 : bHasNoData = false;
1853 : }
1854 33 : DiscardLsbT<uint16_t, uint16_t>(pabyBuffer, nBytes, iBand, nBands,
1855 : nPlanarConfig, panMaskOffsetLsb,
1856 33 : bHasNoData, nNoDataValue);
1857 : }
1858 64 : else if (nBitsPerSample == 32 && nSampleFormat == SAMPLEFORMAT_INT)
1859 : {
1860 13 : int32_t nNoDataValue = 0;
1861 13 : if (bHasNoData && GDALIsValueExactAs<int32_t>(dfNoDataValue))
1862 : {
1863 6 : nNoDataValue = static_cast<int32_t>(dfNoDataValue);
1864 : }
1865 : else
1866 : {
1867 7 : bHasNoData = false;
1868 : }
1869 13 : DiscardLsbT<int32_t, int32_t>(pabyBuffer, nBytes, iBand, nBands,
1870 : nPlanarConfig, panMaskOffsetLsb,
1871 13 : bHasNoData, nNoDataValue);
1872 : }
1873 51 : else if (nBitsPerSample == 32 && nSampleFormat == SAMPLEFORMAT_UINT)
1874 : {
1875 13 : uint32_t nNoDataValue = 0;
1876 13 : if (bHasNoData && GDALIsValueExactAs<uint32_t>(dfNoDataValue))
1877 : {
1878 6 : nNoDataValue = static_cast<uint32_t>(dfNoDataValue);
1879 : }
1880 : else
1881 : {
1882 7 : bHasNoData = false;
1883 : }
1884 13 : DiscardLsbT<uint32_t, uint32_t>(pabyBuffer, nBytes, iBand, nBands,
1885 : nPlanarConfig, panMaskOffsetLsb,
1886 13 : bHasNoData, nNoDataValue);
1887 : }
1888 38 : else if (nBitsPerSample == 64 && nSampleFormat == SAMPLEFORMAT_INT)
1889 : {
1890 : // FIXME: we should not rely on dfNoDataValue when we support native
1891 : // data type for nodata
1892 0 : int64_t nNoDataValue = 0;
1893 0 : if (bHasNoData && GDALIsValueExactAs<int64_t>(dfNoDataValue))
1894 : {
1895 0 : nNoDataValue = static_cast<int64_t>(dfNoDataValue);
1896 : }
1897 : else
1898 : {
1899 0 : bHasNoData = false;
1900 : }
1901 0 : DiscardLsbT<int64_t, int64_t>(pabyBuffer, nBytes, iBand, nBands,
1902 : nPlanarConfig, panMaskOffsetLsb,
1903 0 : bHasNoData, nNoDataValue);
1904 : }
1905 38 : else if (nBitsPerSample == 64 && nSampleFormat == SAMPLEFORMAT_UINT)
1906 : {
1907 : // FIXME: we should not rely on dfNoDataValue when we support native
1908 : // data type for nodata
1909 0 : uint64_t nNoDataValue = 0;
1910 0 : if (bHasNoData && GDALIsValueExactAs<uint64_t>(dfNoDataValue))
1911 : {
1912 0 : nNoDataValue = static_cast<uint64_t>(dfNoDataValue);
1913 : }
1914 : else
1915 : {
1916 0 : bHasNoData = false;
1917 : }
1918 0 : DiscardLsbT<uint64_t, uint64_t>(pabyBuffer, nBytes, iBand, nBands,
1919 : nPlanarConfig, panMaskOffsetLsb,
1920 0 : bHasNoData, nNoDataValue);
1921 : }
1922 38 : else if (nBitsPerSample == 16 && nSampleFormat == SAMPLEFORMAT_IEEEFP)
1923 : {
1924 0 : const GFloat16 fNoDataValue = static_cast<GFloat16>(dfNoDataValue);
1925 0 : DiscardLsbT<GFloat16, uint16_t>(pabyBuffer, nBytes, iBand, nBands,
1926 : nPlanarConfig, panMaskOffsetLsb,
1927 0 : bHasNoData, fNoDataValue);
1928 : }
1929 38 : else if (nBitsPerSample == 32 && nSampleFormat == SAMPLEFORMAT_IEEEFP)
1930 : {
1931 19 : const float fNoDataValue = static_cast<float>(dfNoDataValue);
1932 19 : DiscardLsbT<float, uint32_t>(pabyBuffer, nBytes, iBand, nBands,
1933 : nPlanarConfig, panMaskOffsetLsb,
1934 19 : bHasNoData, fNoDataValue);
1935 : }
1936 19 : else if (nBitsPerSample == 64 && nSampleFormat == SAMPLEFORMAT_IEEEFP)
1937 : {
1938 19 : DiscardLsbT<double, uint64_t>(pabyBuffer, nBytes, iBand, nBands,
1939 : nPlanarConfig, panMaskOffsetLsb,
1940 : bHasNoData, dfNoDataValue);
1941 : }
1942 183 : }
1943 :
1944 183 : void GTiffDataset::DiscardLsb(GByte *pabyBuffer, GPtrDiff_t nBytes,
1945 : int iBand) const
1946 : {
1947 183 : ::DiscardLsb(pabyBuffer, nBytes, iBand, nBands, m_nSampleFormat,
1948 183 : m_nBitsPerSample, m_nPlanarConfig, m_panMaskOffsetLsb,
1949 183 : m_bNoDataSet, m_dfNoDataValue);
1950 183 : }
1951 :
1952 : /************************************************************************/
1953 : /* WriteEncodedTileOrStrip() */
1954 : /************************************************************************/
1955 :
1956 215308 : CPLErr GTiffDataset::WriteEncodedTileOrStrip(uint32_t tile_or_strip, void *data,
1957 : int bPreserveDataBuffer)
1958 : {
1959 215308 : CPLErr eErr = CE_None;
1960 :
1961 215308 : if (TIFFIsTiled(m_hTIFF))
1962 : {
1963 49831 : if (!(WriteEncodedTile(tile_or_strip, static_cast<GByte *>(data),
1964 : bPreserveDataBuffer)))
1965 : {
1966 14 : eErr = CE_Failure;
1967 : }
1968 : }
1969 : else
1970 : {
1971 165477 : if (!(WriteEncodedStrip(tile_or_strip, static_cast<GByte *>(data),
1972 : bPreserveDataBuffer)))
1973 : {
1974 8 : eErr = CE_Failure;
1975 : }
1976 : }
1977 :
1978 215304 : return eErr;
1979 : }
1980 :
1981 : /************************************************************************/
1982 : /* FlushBlockBuf() */
1983 : /************************************************************************/
1984 :
1985 9603 : CPLErr GTiffDataset::FlushBlockBuf()
1986 :
1987 : {
1988 9603 : if (m_nLoadedBlock < 0 || !m_bLoadedBlockDirty)
1989 0 : return CE_None;
1990 :
1991 9603 : m_bLoadedBlockDirty = false;
1992 :
1993 : const CPLErr eErr =
1994 9603 : WriteEncodedTileOrStrip(m_nLoadedBlock, m_pabyBlockBuf, true);
1995 9603 : if (eErr != CE_None)
1996 : {
1997 0 : ReportError(CE_Failure, CPLE_AppDefined,
1998 : "WriteEncodedTile/Strip() failed.");
1999 0 : m_bWriteError = true;
2000 : }
2001 :
2002 9603 : return eErr;
2003 : }
2004 :
2005 : /************************************************************************/
2006 : /* GTiffFillStreamableOffsetAndCount() */
2007 : /************************************************************************/
2008 :
2009 8 : static void GTiffFillStreamableOffsetAndCount(TIFF *hTIFF, int nSize)
2010 : {
2011 8 : uint32_t nXSize = 0;
2012 8 : uint32_t nYSize = 0;
2013 8 : TIFFGetField(hTIFF, TIFFTAG_IMAGEWIDTH, &nXSize);
2014 8 : TIFFGetField(hTIFF, TIFFTAG_IMAGELENGTH, &nYSize);
2015 8 : const bool bIsTiled = CPL_TO_BOOL(TIFFIsTiled(hTIFF));
2016 : const int nBlockCount =
2017 8 : bIsTiled ? TIFFNumberOfTiles(hTIFF) : TIFFNumberOfStrips(hTIFF);
2018 :
2019 8 : toff_t *panOffset = nullptr;
2020 8 : TIFFGetField(hTIFF, bIsTiled ? TIFFTAG_TILEOFFSETS : TIFFTAG_STRIPOFFSETS,
2021 : &panOffset);
2022 8 : toff_t *panSize = nullptr;
2023 8 : TIFFGetField(hTIFF,
2024 : bIsTiled ? TIFFTAG_TILEBYTECOUNTS : TIFFTAG_STRIPBYTECOUNTS,
2025 : &panSize);
2026 8 : toff_t nOffset = nSize;
2027 : // Trick to avoid clang static analyzer raising false positive about
2028 : // divide by zero later.
2029 8 : int nBlocksPerBand = 1;
2030 8 : uint32_t nRowsPerStrip = 0;
2031 8 : if (!bIsTiled)
2032 : {
2033 6 : TIFFGetField(hTIFF, TIFFTAG_ROWSPERSTRIP, &nRowsPerStrip);
2034 6 : if (nRowsPerStrip > static_cast<uint32_t>(nYSize))
2035 0 : nRowsPerStrip = nYSize;
2036 6 : nBlocksPerBand = DIV_ROUND_UP(nYSize, nRowsPerStrip);
2037 : }
2038 2947 : for (int i = 0; i < nBlockCount; ++i)
2039 : {
2040 : GPtrDiff_t cc = bIsTiled
2041 2939 : ? static_cast<GPtrDiff_t>(TIFFTileSize(hTIFF))
2042 2907 : : static_cast<GPtrDiff_t>(TIFFStripSize(hTIFF));
2043 2939 : if (!bIsTiled)
2044 : {
2045 : /* --------------------------------------------------------------------
2046 : */
2047 : /* If this is the last strip in the image, and is partial, then
2048 : */
2049 : /* we need to trim the number of scanlines written to the */
2050 : /* amount of valid data we have. (#2748) */
2051 : /* --------------------------------------------------------------------
2052 : */
2053 2907 : int nStripWithinBand = i % nBlocksPerBand;
2054 2907 : if (nStripWithinBand * nRowsPerStrip > nYSize - nRowsPerStrip)
2055 : {
2056 1 : cc = (cc / nRowsPerStrip) *
2057 1 : (nYSize - nStripWithinBand * nRowsPerStrip);
2058 : }
2059 : }
2060 2939 : panOffset[i] = nOffset;
2061 2939 : panSize[i] = cc;
2062 2939 : nOffset += cc;
2063 : }
2064 8 : }
2065 :
2066 : /************************************************************************/
2067 : /* Crystalize() */
2068 : /* */
2069 : /* Make sure that the directory information is written out for */
2070 : /* a new file, require before writing any imagery data. */
2071 : /************************************************************************/
2072 :
2073 2638690 : void GTiffDataset::Crystalize()
2074 :
2075 : {
2076 2638690 : if (m_bCrystalized)
2077 2633240 : return;
2078 :
2079 : // TODO: libtiff writes extended tags in the order they are specified
2080 : // and not in increasing order.
2081 5443 : WriteMetadata(this, m_hTIFF, true, m_eProfile, m_pszFilename,
2082 5443 : m_papszCreationOptions);
2083 5455 : WriteGeoTIFFInfo();
2084 5455 : if (m_bNoDataSet)
2085 292 : WriteNoDataValue(m_hTIFF, m_dfNoDataValue);
2086 5163 : else if (m_bNoDataSetAsInt64)
2087 1 : WriteNoDataValue(m_hTIFF, m_nNoDataValueInt64);
2088 5162 : else if (m_bNoDataSetAsUInt64)
2089 1 : WriteNoDataValue(m_hTIFF, m_nNoDataValueUInt64);
2090 :
2091 5455 : m_bMetadataChanged = false;
2092 5455 : m_bGeoTIFFInfoChanged = false;
2093 5455 : m_bNoDataChanged = false;
2094 5455 : m_bNeedsRewrite = false;
2095 :
2096 5455 : m_bCrystalized = true;
2097 :
2098 5455 : TIFFWriteCheck(m_hTIFF, TIFFIsTiled(m_hTIFF), "GTiffDataset::Crystalize");
2099 :
2100 5455 : TIFFWriteDirectory(m_hTIFF);
2101 5455 : if (m_bStreamingOut)
2102 : {
2103 : // We need to write twice the directory to be sure that custom
2104 : // TIFF tags are correctly sorted and that padding bytes have been
2105 : // added.
2106 3 : TIFFSetDirectory(m_hTIFF, 0);
2107 3 : TIFFWriteDirectory(m_hTIFF);
2108 :
2109 3 : if (VSIFSeekL(m_fpL, 0, SEEK_END) != 0)
2110 : {
2111 0 : ReportError(CE_Failure, CPLE_FileIO, "Could not seek");
2112 : }
2113 3 : const int nSize = static_cast<int>(VSIFTellL(m_fpL));
2114 :
2115 3 : TIFFSetDirectory(m_hTIFF, 0);
2116 3 : GTiffFillStreamableOffsetAndCount(m_hTIFF, nSize);
2117 3 : TIFFWriteDirectory(m_hTIFF);
2118 :
2119 3 : vsi_l_offset nDataLength = 0;
2120 : void *pabyBuffer =
2121 3 : VSIGetMemFileBuffer(m_pszTmpFilename, &nDataLength, FALSE);
2122 3 : if (static_cast<int>(VSIFWriteL(
2123 3 : pabyBuffer, 1, static_cast<int>(nDataLength), m_fpToWrite)) !=
2124 : static_cast<int>(nDataLength))
2125 : {
2126 0 : ReportError(CE_Failure, CPLE_FileIO, "Could not write %d bytes",
2127 : static_cast<int>(nDataLength));
2128 : }
2129 : // In case of single strip file, there's a libtiff check that would
2130 : // issue a warning since the file hasn't the required size.
2131 3 : CPLPushErrorHandler(CPLQuietErrorHandler);
2132 3 : TIFFSetDirectory(m_hTIFF, 0);
2133 3 : CPLPopErrorHandler();
2134 : }
2135 : else
2136 : {
2137 5452 : const tdir_t nNumberOfDirs = TIFFNumberOfDirectories(m_hTIFF);
2138 5452 : if (nNumberOfDirs > 0)
2139 : {
2140 5452 : TIFFSetDirectory(m_hTIFF, static_cast<tdir_t>(nNumberOfDirs - 1));
2141 : }
2142 : }
2143 :
2144 5455 : RestoreVolatileParameters(m_hTIFF);
2145 :
2146 5455 : m_nDirOffset = TIFFCurrentDirOffset(m_hTIFF);
2147 : }
2148 :
2149 : /************************************************************************/
2150 : /* FlushCache() */
2151 : /* */
2152 : /* We override this so we can also flush out local tiff strip */
2153 : /* cache if need be. */
2154 : /************************************************************************/
2155 :
2156 4367 : CPLErr GTiffDataset::FlushCache(bool bAtClosing)
2157 :
2158 : {
2159 4367 : return FlushCacheInternal(bAtClosing, true);
2160 : }
2161 :
2162 44619 : CPLErr GTiffDataset::FlushCacheInternal(bool bAtClosing, bool bFlushDirectory)
2163 : {
2164 44619 : if (m_bIsFinalized)
2165 1 : return CE_None;
2166 :
2167 44618 : CPLErr eErr = GDALPamDataset::FlushCache(bAtClosing);
2168 :
2169 44617 : if (m_bLoadedBlockDirty && m_nLoadedBlock != -1)
2170 : {
2171 258 : if (FlushBlockBuf() != CE_None)
2172 0 : eErr = CE_Failure;
2173 : }
2174 :
2175 44617 : CPLFree(m_pabyBlockBuf);
2176 44617 : m_pabyBlockBuf = nullptr;
2177 44617 : m_nLoadedBlock = -1;
2178 44617 : m_bLoadedBlockDirty = false;
2179 :
2180 : // Finish compression
2181 44617 : auto poQueue = m_poBaseDS ? m_poBaseDS->m_poCompressQueue.get()
2182 42290 : : m_poCompressQueue.get();
2183 44616 : if (poQueue)
2184 : {
2185 161 : poQueue->WaitCompletion();
2186 :
2187 : // Flush remaining data
2188 : // cppcheck-suppress constVariableReference
2189 :
2190 161 : auto &oQueue =
2191 161 : m_poBaseDS ? m_poBaseDS->m_asQueueJobIdx : m_asQueueJobIdx;
2192 230 : while (!oQueue.empty())
2193 : {
2194 69 : WaitCompletionForJobIdx(oQueue.front());
2195 : }
2196 : }
2197 :
2198 44616 : if (bFlushDirectory && GetAccess() == GA_Update)
2199 : {
2200 13290 : if (FlushDirectory() != CE_None)
2201 12 : eErr = CE_Failure;
2202 : }
2203 44614 : return eErr;
2204 : }
2205 :
2206 : /************************************************************************/
2207 : /* FlushDirectory() */
2208 : /************************************************************************/
2209 :
2210 20425 : CPLErr GTiffDataset::FlushDirectory()
2211 :
2212 : {
2213 20425 : CPLErr eErr = CE_None;
2214 :
2215 551 : const auto ReloadAllOtherDirectories = [this]()
2216 : {
2217 271 : const auto poBaseDS = m_poBaseDS ? m_poBaseDS : this;
2218 271 : if (poBaseDS->m_papoOverviewDS)
2219 : {
2220 12 : for (int i = 0; i < poBaseDS->m_nOverviewCount; ++i)
2221 : {
2222 3 : if (poBaseDS->m_papoOverviewDS[i]->m_bCrystalized &&
2223 3 : poBaseDS->m_papoOverviewDS[i] != this)
2224 : {
2225 3 : poBaseDS->m_papoOverviewDS[i]->ReloadDirectory(true);
2226 : }
2227 :
2228 3 : if (poBaseDS->m_papoOverviewDS[i]->m_poMaskDS &&
2229 0 : poBaseDS->m_papoOverviewDS[i]->m_poMaskDS != this &&
2230 0 : poBaseDS->m_papoOverviewDS[i]->m_poMaskDS->m_bCrystalized)
2231 : {
2232 0 : poBaseDS->m_papoOverviewDS[i]->m_poMaskDS->ReloadDirectory(
2233 : true);
2234 : }
2235 : }
2236 : }
2237 271 : if (poBaseDS->m_poMaskDS && poBaseDS->m_poMaskDS != this &&
2238 0 : poBaseDS->m_poMaskDS->m_bCrystalized)
2239 : {
2240 0 : poBaseDS->m_poMaskDS->ReloadDirectory(true);
2241 : }
2242 271 : if (poBaseDS->m_bCrystalized && poBaseDS != this)
2243 : {
2244 6 : poBaseDS->ReloadDirectory(true);
2245 : }
2246 20696 : };
2247 :
2248 20425 : if (eAccess == GA_Update)
2249 : {
2250 14861 : if (m_bMetadataChanged)
2251 : {
2252 138 : m_bNeedsRewrite =
2253 276 : WriteMetadata(this, m_hTIFF, true, m_eProfile, m_pszFilename,
2254 138 : m_papszCreationOptions);
2255 138 : m_bMetadataChanged = false;
2256 :
2257 138 : if (m_bForceUnsetRPC)
2258 : {
2259 5 : double *padfRPCTag = nullptr;
2260 : uint16_t nCount;
2261 5 : if (TIFFGetField(m_hTIFF, TIFFTAG_RPCCOEFFICIENT, &nCount,
2262 5 : &padfRPCTag))
2263 : {
2264 3 : std::vector<double> zeroes(92);
2265 3 : TIFFSetField(m_hTIFF, TIFFTAG_RPCCOEFFICIENT, 92,
2266 : zeroes.data());
2267 3 : TIFFUnsetField(m_hTIFF, TIFFTAG_RPCCOEFFICIENT);
2268 3 : m_bNeedsRewrite = true;
2269 : }
2270 :
2271 5 : GDALWriteRPCTXTFile(m_pszFilename, nullptr);
2272 5 : GDALWriteRPBFile(m_pszFilename, nullptr);
2273 : }
2274 : }
2275 :
2276 14861 : if (m_bGeoTIFFInfoChanged)
2277 : {
2278 141 : WriteGeoTIFFInfo();
2279 141 : m_bGeoTIFFInfoChanged = false;
2280 : }
2281 :
2282 14861 : if (m_bNoDataChanged)
2283 : {
2284 46 : if (m_bNoDataSet)
2285 : {
2286 32 : WriteNoDataValue(m_hTIFF, m_dfNoDataValue);
2287 : }
2288 14 : else if (m_bNoDataSetAsInt64)
2289 : {
2290 0 : WriteNoDataValue(m_hTIFF, m_nNoDataValueInt64);
2291 : }
2292 14 : else if (m_bNoDataSetAsUInt64)
2293 : {
2294 0 : WriteNoDataValue(m_hTIFF, m_nNoDataValueUInt64);
2295 : }
2296 : else
2297 : {
2298 14 : UnsetNoDataValue(m_hTIFF);
2299 : }
2300 46 : m_bNeedsRewrite = true;
2301 46 : m_bNoDataChanged = false;
2302 : }
2303 :
2304 14861 : if (m_bNeedsRewrite)
2305 : {
2306 296 : if (!m_bCrystalized)
2307 : {
2308 28 : Crystalize();
2309 : }
2310 : else
2311 : {
2312 268 : const TIFFSizeProc pfnSizeProc = TIFFGetSizeProc(m_hTIFF);
2313 :
2314 268 : m_nDirOffset = pfnSizeProc(TIFFClientdata(m_hTIFF));
2315 268 : if ((m_nDirOffset % 2) == 1)
2316 63 : ++m_nDirOffset;
2317 :
2318 268 : if (TIFFRewriteDirectory(m_hTIFF) == 0)
2319 0 : eErr = CE_Failure;
2320 :
2321 268 : TIFFSetSubDirectory(m_hTIFF, m_nDirOffset);
2322 :
2323 268 : ReloadAllOtherDirectories();
2324 :
2325 268 : if (m_bLayoutIFDSBeforeData && m_bBlockOrderRowMajor &&
2326 1 : m_bLeaderSizeAsUInt4 &&
2327 1 : m_bTrailerRepeatedLast4BytesRepeated &&
2328 1 : !m_bKnownIncompatibleEdition &&
2329 1 : !m_bWriteKnownIncompatibleEdition)
2330 : {
2331 1 : ReportError(CE_Warning, CPLE_AppDefined,
2332 : "The IFD has been rewritten at the end of "
2333 : "the file, which breaks COG layout.");
2334 1 : m_bKnownIncompatibleEdition = true;
2335 1 : m_bWriteKnownIncompatibleEdition = true;
2336 : }
2337 : }
2338 :
2339 296 : m_bNeedsRewrite = false;
2340 : }
2341 : }
2342 :
2343 : // There are some circumstances in which we can reach this point
2344 : // without having made this our directory (SetDirectory()) in which
2345 : // case we should not risk a flush.
2346 35286 : if (GetAccess() == GA_Update &&
2347 14861 : TIFFCurrentDirOffset(m_hTIFF) == m_nDirOffset)
2348 : {
2349 14861 : const TIFFSizeProc pfnSizeProc = TIFFGetSizeProc(m_hTIFF);
2350 :
2351 14861 : toff_t nNewDirOffset = pfnSizeProc(TIFFClientdata(m_hTIFF));
2352 14861 : if ((nNewDirOffset % 2) == 1)
2353 3220 : ++nNewDirOffset;
2354 :
2355 14861 : if (TIFFFlush(m_hTIFF) == 0)
2356 12 : eErr = CE_Failure;
2357 :
2358 14861 : if (m_nDirOffset != TIFFCurrentDirOffset(m_hTIFF))
2359 : {
2360 3 : m_nDirOffset = nNewDirOffset;
2361 3 : ReloadAllOtherDirectories();
2362 3 : CPLDebug("GTiff",
2363 : "directory moved during flush in FlushDirectory()");
2364 : }
2365 : }
2366 :
2367 20425 : SetDirectory();
2368 20425 : return eErr;
2369 : }
2370 :
2371 : /************************************************************************/
2372 : /* CleanOverviews() */
2373 : /************************************************************************/
2374 :
2375 5 : CPLErr GTiffDataset::CleanOverviews()
2376 :
2377 : {
2378 5 : CPLAssert(!m_poBaseDS);
2379 :
2380 5 : ScanDirectories();
2381 :
2382 5 : FlushDirectory();
2383 :
2384 : /* -------------------------------------------------------------------- */
2385 : /* Cleanup overviews objects, and get offsets to all overview */
2386 : /* directories. */
2387 : /* -------------------------------------------------------------------- */
2388 10 : std::vector<toff_t> anOvDirOffsets;
2389 :
2390 10 : for (int i = 0; i < m_nOverviewCount; ++i)
2391 : {
2392 5 : anOvDirOffsets.push_back(m_papoOverviewDS[i]->m_nDirOffset);
2393 5 : if (m_papoOverviewDS[i]->m_poMaskDS)
2394 1 : anOvDirOffsets.push_back(
2395 1 : m_papoOverviewDS[i]->m_poMaskDS->m_nDirOffset);
2396 5 : delete m_papoOverviewDS[i];
2397 : }
2398 :
2399 : /* -------------------------------------------------------------------- */
2400 : /* Loop through all the directories, translating the offsets */
2401 : /* into indexes we can use with TIFFUnlinkDirectory(). */
2402 : /* -------------------------------------------------------------------- */
2403 10 : std::vector<uint16_t> anOvDirIndexes;
2404 5 : int iThisOffset = 1;
2405 :
2406 5 : TIFFSetDirectory(m_hTIFF, 0);
2407 :
2408 : while (true)
2409 : {
2410 28 : for (toff_t nOffset : anOvDirOffsets)
2411 : {
2412 16 : if (nOffset == TIFFCurrentDirOffset(m_hTIFF))
2413 : {
2414 6 : anOvDirIndexes.push_back(static_cast<uint16_t>(iThisOffset));
2415 : }
2416 : }
2417 :
2418 12 : if (TIFFLastDirectory(m_hTIFF))
2419 5 : break;
2420 :
2421 7 : TIFFReadDirectory(m_hTIFF);
2422 7 : ++iThisOffset;
2423 7 : }
2424 :
2425 : /* -------------------------------------------------------------------- */
2426 : /* Actually unlink the target directories. Note that we do */
2427 : /* this from last to first so as to avoid renumbering any of */
2428 : /* the earlier directories we need to remove. */
2429 : /* -------------------------------------------------------------------- */
2430 11 : while (!anOvDirIndexes.empty())
2431 : {
2432 6 : TIFFUnlinkDirectory(m_hTIFF, anOvDirIndexes.back());
2433 6 : anOvDirIndexes.pop_back();
2434 : }
2435 :
2436 5 : CPLFree(m_papoOverviewDS);
2437 5 : m_nOverviewCount = 0;
2438 5 : m_papoOverviewDS = nullptr;
2439 :
2440 5 : if (m_poMaskDS)
2441 : {
2442 1 : CPLFree(m_poMaskDS->m_papoOverviewDS);
2443 1 : m_poMaskDS->m_nOverviewCount = 0;
2444 1 : m_poMaskDS->m_papoOverviewDS = nullptr;
2445 : }
2446 :
2447 5 : if (!SetDirectory())
2448 0 : return CE_Failure;
2449 :
2450 5 : return CE_None;
2451 : }
2452 :
2453 : /************************************************************************/
2454 : /* RegisterNewOverviewDataset() */
2455 : /************************************************************************/
2456 :
2457 504 : CPLErr GTiffDataset::RegisterNewOverviewDataset(toff_t nOverviewOffset,
2458 : int l_nJpegQuality,
2459 : CSLConstList papszOptions)
2460 : {
2461 504 : if (m_nOverviewCount == 127)
2462 0 : return CE_Failure;
2463 :
2464 : const auto GetOptionValue =
2465 3024 : [papszOptions](const char *pszOptionKey, const char *pszConfigOptionKey,
2466 6047 : const char **ppszKeyUsed = nullptr)
2467 : {
2468 3024 : const char *pszVal = CSLFetchNameValue(papszOptions, pszOptionKey);
2469 3024 : if (pszVal)
2470 : {
2471 1 : if (ppszKeyUsed)
2472 1 : *ppszKeyUsed = pszOptionKey;
2473 1 : return pszVal;
2474 : }
2475 3023 : pszVal = CSLFetchNameValue(papszOptions, pszConfigOptionKey);
2476 3023 : if (pszVal)
2477 : {
2478 0 : if (ppszKeyUsed)
2479 0 : *ppszKeyUsed = pszConfigOptionKey;
2480 0 : return pszVal;
2481 : }
2482 3023 : pszVal = CPLGetConfigOption(pszConfigOptionKey, nullptr);
2483 3023 : if (pszVal && ppszKeyUsed)
2484 13 : *ppszKeyUsed = pszConfigOptionKey;
2485 3023 : return pszVal;
2486 504 : };
2487 :
2488 504 : int nZLevel = m_nZLevel;
2489 504 : if (const char *opt = GetOptionValue("ZLEVEL", "ZLEVEL_OVERVIEW"))
2490 : {
2491 4 : nZLevel = atoi(opt);
2492 : }
2493 :
2494 504 : int nZSTDLevel = m_nZSTDLevel;
2495 504 : if (const char *opt = GetOptionValue("ZSTD_LEVEL", "ZSTD_LEVEL_OVERVIEW"))
2496 : {
2497 4 : nZSTDLevel = atoi(opt);
2498 : }
2499 :
2500 504 : bool bWebpLossless = m_bWebPLossless;
2501 : const char *pszWebPLosslessOverview =
2502 504 : GetOptionValue("WEBP_LOSSLESS", "WEBP_LOSSLESS_OVERVIEW");
2503 504 : if (pszWebPLosslessOverview)
2504 : {
2505 2 : bWebpLossless = CPLTestBool(pszWebPLosslessOverview);
2506 : }
2507 :
2508 504 : int nWebpLevel = m_nWebPLevel;
2509 504 : const char *pszKeyWebpLevel = "";
2510 504 : if (const char *opt = GetOptionValue("WEBP_LEVEL", "WEBP_LEVEL_OVERVIEW",
2511 : &pszKeyWebpLevel))
2512 : {
2513 14 : if (pszWebPLosslessOverview == nullptr && m_bWebPLossless)
2514 : {
2515 1 : CPLDebug("GTiff",
2516 : "%s specified, but not WEBP_LOSSLESS_OVERVIEW. "
2517 : "Assuming WEBP_LOSSLESS_OVERVIEW=NO",
2518 : pszKeyWebpLevel);
2519 1 : bWebpLossless = false;
2520 : }
2521 13 : else if (bWebpLossless)
2522 : {
2523 0 : CPLError(CE_Warning, CPLE_AppDefined,
2524 : "%s is specified, but WEBP_LOSSLESS_OVERVIEW=YES. "
2525 : "%s will be ignored.",
2526 : pszKeyWebpLevel, pszKeyWebpLevel);
2527 : }
2528 14 : nWebpLevel = atoi(opt);
2529 : }
2530 :
2531 504 : double dfMaxZError = m_dfMaxZErrorOverview;
2532 504 : if (const char *opt = GetOptionValue("MAX_Z_ERROR", "MAX_Z_ERROR_OVERVIEW"))
2533 : {
2534 20 : dfMaxZError = CPLAtof(opt);
2535 : }
2536 :
2537 504 : GTiffDataset *poODS = new GTiffDataset();
2538 504 : poODS->ShareLockWithParentDataset(this);
2539 504 : poODS->m_pszFilename = CPLStrdup(m_pszFilename);
2540 504 : const char *pszSparseOK = GetOptionValue("SPARSE_OK", "SPARSE_OK_OVERVIEW");
2541 504 : if (pszSparseOK && CPLTestBool(pszSparseOK))
2542 : {
2543 1 : poODS->m_bWriteEmptyTiles = false;
2544 1 : poODS->m_bFillEmptyTilesAtClosing = false;
2545 : }
2546 : else
2547 : {
2548 503 : poODS->m_bWriteEmptyTiles = m_bWriteEmptyTiles;
2549 503 : poODS->m_bFillEmptyTilesAtClosing = m_bFillEmptyTilesAtClosing;
2550 : }
2551 504 : poODS->m_nJpegQuality = static_cast<signed char>(l_nJpegQuality);
2552 504 : poODS->m_nWebPLevel = static_cast<signed char>(nWebpLevel);
2553 504 : poODS->m_nZLevel = static_cast<signed char>(nZLevel);
2554 504 : poODS->m_nLZMAPreset = m_nLZMAPreset;
2555 504 : poODS->m_nZSTDLevel = static_cast<signed char>(nZSTDLevel);
2556 504 : poODS->m_bWebPLossless = bWebpLossless;
2557 504 : poODS->m_nJpegTablesMode = m_nJpegTablesMode;
2558 504 : poODS->m_dfMaxZError = dfMaxZError;
2559 504 : poODS->m_dfMaxZErrorOverview = dfMaxZError;
2560 504 : memcpy(poODS->m_anLercAddCompressionAndVersion,
2561 504 : m_anLercAddCompressionAndVersion,
2562 : sizeof(m_anLercAddCompressionAndVersion));
2563 : #ifdef HAVE_JXL
2564 504 : poODS->m_bJXLLossless = m_bJXLLossless;
2565 504 : poODS->m_fJXLDistance = m_fJXLDistance;
2566 504 : poODS->m_fJXLAlphaDistance = m_fJXLAlphaDistance;
2567 504 : poODS->m_nJXLEffort = m_nJXLEffort;
2568 : #endif
2569 :
2570 504 : if (poODS->OpenOffset(VSI_TIFFOpenChild(m_hTIFF), nOverviewOffset,
2571 504 : GA_Update) != CE_None)
2572 : {
2573 0 : delete poODS;
2574 0 : return CE_Failure;
2575 : }
2576 :
2577 : // Assign color interpretation from main dataset
2578 504 : const int l_nBands = GetRasterCount();
2579 1516 : for (int i = 1; i <= l_nBands; i++)
2580 : {
2581 1012 : auto poBand = dynamic_cast<GTiffRasterBand *>(poODS->GetRasterBand(i));
2582 1012 : if (poBand)
2583 1012 : poBand->m_eBandInterp = GetRasterBand(i)->GetColorInterpretation();
2584 : }
2585 :
2586 : // Do that now that m_nCompression is set
2587 504 : poODS->RestoreVolatileParameters(poODS->m_hTIFF);
2588 :
2589 504 : ++m_nOverviewCount;
2590 504 : m_papoOverviewDS = static_cast<GTiffDataset **>(
2591 504 : CPLRealloc(m_papoOverviewDS, m_nOverviewCount * (sizeof(void *))));
2592 504 : m_papoOverviewDS[m_nOverviewCount - 1] = poODS;
2593 504 : poODS->m_poBaseDS = this;
2594 504 : poODS->m_bIsOverview = true;
2595 504 : return CE_None;
2596 : }
2597 :
2598 : /************************************************************************/
2599 : /* CreateTIFFColorTable() */
2600 : /************************************************************************/
2601 :
2602 12 : static void CreateTIFFColorTable(
2603 : GDALColorTable *poColorTable, int nBits, int nColorTableMultiplier,
2604 : std::vector<unsigned short> &anTRed, std::vector<unsigned short> &anTGreen,
2605 : std::vector<unsigned short> &anTBlue, unsigned short *&panRed,
2606 : unsigned short *&panGreen, unsigned short *&panBlue)
2607 : {
2608 : int nColors;
2609 :
2610 12 : if (nBits == 8)
2611 12 : nColors = 256;
2612 0 : else if (nBits < 8)
2613 0 : nColors = 1 << nBits;
2614 : else
2615 0 : nColors = 65536;
2616 :
2617 12 : anTRed.resize(nColors, 0);
2618 12 : anTGreen.resize(nColors, 0);
2619 12 : anTBlue.resize(nColors, 0);
2620 :
2621 3084 : for (int iColor = 0; iColor < nColors; ++iColor)
2622 : {
2623 3072 : if (iColor < poColorTable->GetColorEntryCount())
2624 : {
2625 : GDALColorEntry sRGB;
2626 :
2627 3072 : poColorTable->GetColorEntryAsRGB(iColor, &sRGB);
2628 :
2629 3072 : anTRed[iColor] = GTiffDataset::ClampCTEntry(iColor, 1, sRGB.c1,
2630 : nColorTableMultiplier);
2631 3072 : anTGreen[iColor] = GTiffDataset::ClampCTEntry(
2632 3072 : iColor, 2, sRGB.c2, nColorTableMultiplier);
2633 3072 : anTBlue[iColor] = GTiffDataset::ClampCTEntry(iColor, 3, sRGB.c3,
2634 : nColorTableMultiplier);
2635 : }
2636 : else
2637 : {
2638 0 : anTRed[iColor] = 0;
2639 0 : anTGreen[iColor] = 0;
2640 0 : anTBlue[iColor] = 0;
2641 : }
2642 : }
2643 :
2644 12 : panRed = &(anTRed[0]);
2645 12 : panGreen = &(anTGreen[0]);
2646 12 : panBlue = &(anTBlue[0]);
2647 12 : }
2648 :
2649 : /************************************************************************/
2650 : /* GetOverviewParameters() */
2651 : /************************************************************************/
2652 :
2653 319 : bool GTiffDataset::GetOverviewParameters(
2654 : int &nCompression, uint16_t &nPlanarConfig, uint16_t &nPredictor,
2655 : uint16_t &nPhotometric, int &nOvrJpegQuality, std::string &osNoData,
2656 : uint16_t *&panExtraSampleValues, uint16_t &nExtraSamples,
2657 : CSLConstList papszOptions) const
2658 : {
2659 : const auto GetOptionValue =
2660 1057 : [papszOptions](const char *pszOptionKey, const char *pszConfigOptionKey,
2661 2110 : const char **ppszKeyUsed = nullptr)
2662 : {
2663 1057 : const char *pszVal = CSLFetchNameValue(papszOptions, pszOptionKey);
2664 1057 : if (pszVal)
2665 : {
2666 4 : if (ppszKeyUsed)
2667 4 : *ppszKeyUsed = pszOptionKey;
2668 4 : return pszVal;
2669 : }
2670 1053 : pszVal = CSLFetchNameValue(papszOptions, pszConfigOptionKey);
2671 1053 : if (pszVal)
2672 : {
2673 4 : if (ppszKeyUsed)
2674 4 : *ppszKeyUsed = pszConfigOptionKey;
2675 4 : return pszVal;
2676 : }
2677 1049 : pszVal = CPLGetConfigOption(pszConfigOptionKey, nullptr);
2678 1049 : if (pszVal && ppszKeyUsed)
2679 56 : *ppszKeyUsed = pszConfigOptionKey;
2680 1049 : return pszVal;
2681 319 : };
2682 :
2683 : /* -------------------------------------------------------------------- */
2684 : /* Determine compression method. */
2685 : /* -------------------------------------------------------------------- */
2686 319 : nCompression = m_nCompression;
2687 319 : const char *pszOptionKey = "";
2688 : const char *pszCompressValue =
2689 319 : GetOptionValue("COMPRESS", "COMPRESS_OVERVIEW", &pszOptionKey);
2690 319 : if (pszCompressValue != nullptr)
2691 : {
2692 54 : nCompression =
2693 54 : GTIFFGetCompressionMethod(pszCompressValue, pszOptionKey);
2694 54 : if (nCompression < 0)
2695 : {
2696 0 : nCompression = m_nCompression;
2697 : }
2698 : }
2699 :
2700 : /* -------------------------------------------------------------------- */
2701 : /* Determine planar configuration. */
2702 : /* -------------------------------------------------------------------- */
2703 319 : nPlanarConfig = m_nPlanarConfig;
2704 319 : if (nCompression == COMPRESSION_WEBP)
2705 : {
2706 11 : nPlanarConfig = PLANARCONFIG_CONTIG;
2707 : }
2708 : const char *pszInterleave =
2709 319 : GetOptionValue("INTERLEAVE", "INTERLEAVE_OVERVIEW", &pszOptionKey);
2710 319 : if (pszInterleave != nullptr && pszInterleave[0] != '\0')
2711 : {
2712 2 : if (EQUAL(pszInterleave, "PIXEL"))
2713 1 : nPlanarConfig = PLANARCONFIG_CONTIG;
2714 1 : else if (EQUAL(pszInterleave, "BAND"))
2715 1 : nPlanarConfig = PLANARCONFIG_SEPARATE;
2716 : else
2717 : {
2718 0 : CPLError(CE_Warning, CPLE_AppDefined,
2719 : "%s=%s unsupported, "
2720 : "value must be PIXEL or BAND. ignoring",
2721 : pszOptionKey, pszInterleave);
2722 : }
2723 : }
2724 :
2725 : /* -------------------------------------------------------------------- */
2726 : /* Determine predictor tag */
2727 : /* -------------------------------------------------------------------- */
2728 319 : nPredictor = PREDICTOR_NONE;
2729 319 : if (GTIFFSupportsPredictor(nCompression))
2730 : {
2731 : const char *pszPredictor =
2732 73 : GetOptionValue("PREDICTOR", "PREDICTOR_OVERVIEW");
2733 73 : if (pszPredictor != nullptr)
2734 : {
2735 1 : nPredictor = static_cast<uint16_t>(atoi(pszPredictor));
2736 : }
2737 72 : else if (GTIFFSupportsPredictor(m_nCompression))
2738 71 : TIFFGetField(m_hTIFF, TIFFTAG_PREDICTOR, &nPredictor);
2739 : }
2740 :
2741 : /* -------------------------------------------------------------------- */
2742 : /* Determine photometric tag */
2743 : /* -------------------------------------------------------------------- */
2744 319 : if (m_nPhotometric == PHOTOMETRIC_YCBCR && nCompression != COMPRESSION_JPEG)
2745 1 : nPhotometric = PHOTOMETRIC_RGB;
2746 : else
2747 318 : nPhotometric = m_nPhotometric;
2748 : const char *pszPhotometric =
2749 319 : GetOptionValue("PHOTOMETRIC", "PHOTOMETRIC_OVERVIEW", &pszOptionKey);
2750 319 : if (!GTIFFUpdatePhotometric(pszPhotometric, pszOptionKey, nCompression,
2751 319 : pszInterleave, nBands, nPhotometric,
2752 : nPlanarConfig))
2753 : {
2754 0 : return false;
2755 : }
2756 :
2757 : /* -------------------------------------------------------------------- */
2758 : /* Determine JPEG quality */
2759 : /* -------------------------------------------------------------------- */
2760 319 : nOvrJpegQuality = m_nJpegQuality;
2761 319 : if (nCompression == COMPRESSION_JPEG)
2762 : {
2763 : const char *pszJPEGQuality =
2764 27 : GetOptionValue("JPEG_QUALITY", "JPEG_QUALITY_OVERVIEW");
2765 27 : if (pszJPEGQuality != nullptr)
2766 : {
2767 9 : nOvrJpegQuality = atoi(pszJPEGQuality);
2768 : }
2769 : }
2770 :
2771 : /* -------------------------------------------------------------------- */
2772 : /* Set nodata. */
2773 : /* -------------------------------------------------------------------- */
2774 319 : if (m_bNoDataSet)
2775 : {
2776 17 : osNoData = GTiffFormatGDALNoDataTagValue(m_dfNoDataValue);
2777 : }
2778 :
2779 : /* -------------------------------------------------------------------- */
2780 : /* Fetch extra sample tag */
2781 : /* -------------------------------------------------------------------- */
2782 319 : panExtraSampleValues = nullptr;
2783 319 : nExtraSamples = 0;
2784 319 : if (TIFFGetField(m_hTIFF, TIFFTAG_EXTRASAMPLES, &nExtraSamples,
2785 319 : &panExtraSampleValues))
2786 : {
2787 : uint16_t *panExtraSampleValuesNew = static_cast<uint16_t *>(
2788 40 : CPLMalloc(nExtraSamples * sizeof(uint16_t)));
2789 40 : memcpy(panExtraSampleValuesNew, panExtraSampleValues,
2790 40 : nExtraSamples * sizeof(uint16_t));
2791 40 : panExtraSampleValues = panExtraSampleValuesNew;
2792 : }
2793 : else
2794 : {
2795 279 : panExtraSampleValues = nullptr;
2796 279 : nExtraSamples = 0;
2797 : }
2798 :
2799 319 : return true;
2800 : }
2801 :
2802 : /************************************************************************/
2803 : /* CreateOverviewsFromSrcOverviews() */
2804 : /************************************************************************/
2805 :
2806 : // If poOvrDS is not null, it is used and poSrcDS is ignored.
2807 :
2808 66 : CPLErr GTiffDataset::CreateOverviewsFromSrcOverviews(GDALDataset *poSrcDS,
2809 : GDALDataset *poOvrDS,
2810 : int nOverviews)
2811 : {
2812 66 : CPLAssert(poSrcDS->GetRasterCount() != 0);
2813 66 : CPLAssert(m_nOverviewCount == 0);
2814 :
2815 66 : ScanDirectories();
2816 :
2817 66 : FlushDirectory();
2818 :
2819 66 : int nOvBitsPerSample = m_nBitsPerSample;
2820 :
2821 : /* -------------------------------------------------------------------- */
2822 : /* Do we need some metadata for the overviews? */
2823 : /* -------------------------------------------------------------------- */
2824 132 : CPLString osMetadata;
2825 :
2826 66 : GTIFFBuildOverviewMetadata("NONE", this, false, osMetadata);
2827 :
2828 : int nCompression;
2829 : uint16_t nPlanarConfig;
2830 : uint16_t nPredictor;
2831 : uint16_t nPhotometric;
2832 : int nOvrJpegQuality;
2833 132 : std::string osNoData;
2834 66 : uint16_t *panExtraSampleValues = nullptr;
2835 66 : uint16_t nExtraSamples = 0;
2836 66 : if (!GetOverviewParameters(nCompression, nPlanarConfig, nPredictor,
2837 : nPhotometric, nOvrJpegQuality, osNoData,
2838 : panExtraSampleValues, nExtraSamples,
2839 : /*papszOptions=*/nullptr))
2840 : {
2841 0 : return CE_Failure;
2842 : }
2843 :
2844 : /* -------------------------------------------------------------------- */
2845 : /* Do we have a palette? If so, create a TIFF compatible version. */
2846 : /* -------------------------------------------------------------------- */
2847 132 : std::vector<unsigned short> anTRed;
2848 132 : std::vector<unsigned short> anTGreen;
2849 66 : std::vector<unsigned short> anTBlue;
2850 66 : unsigned short *panRed = nullptr;
2851 66 : unsigned short *panGreen = nullptr;
2852 66 : unsigned short *panBlue = nullptr;
2853 :
2854 66 : if (nPhotometric == PHOTOMETRIC_PALETTE && m_poColorTable != nullptr)
2855 : {
2856 0 : if (m_nColorTableMultiplier == 0)
2857 0 : m_nColorTableMultiplier = DEFAULT_COLOR_TABLE_MULTIPLIER_257;
2858 :
2859 0 : CreateTIFFColorTable(m_poColorTable.get(), nOvBitsPerSample,
2860 : m_nColorTableMultiplier, anTRed, anTGreen, anTBlue,
2861 : panRed, panGreen, panBlue);
2862 : }
2863 :
2864 66 : int nOvrBlockXSize = 0;
2865 66 : int nOvrBlockYSize = 0;
2866 66 : GTIFFGetOverviewBlockSize(GDALRasterBand::ToHandle(GetRasterBand(1)),
2867 : &nOvrBlockXSize, &nOvrBlockYSize);
2868 :
2869 66 : CPLErr eErr = CE_None;
2870 :
2871 191 : for (int i = 0; i < nOverviews && eErr == CE_None; ++i)
2872 : {
2873 : GDALRasterBand *poOvrBand =
2874 166 : poOvrDS ? ((i == 0) ? poOvrDS->GetRasterBand(1)
2875 41 : : poOvrDS->GetRasterBand(1)->GetOverview(i - 1))
2876 47 : : poSrcDS->GetRasterBand(1)->GetOverview(i);
2877 :
2878 125 : int nOXSize = poOvrBand->GetXSize();
2879 125 : int nOYSize = poOvrBand->GetYSize();
2880 :
2881 250 : toff_t nOverviewOffset = GTIFFWriteDirectory(
2882 : m_hTIFF, FILETYPE_REDUCEDIMAGE, nOXSize, nOYSize, nOvBitsPerSample,
2883 125 : nPlanarConfig, m_nSamplesPerPixel, nOvrBlockXSize, nOvrBlockYSize,
2884 125 : TRUE, nCompression, nPhotometric, m_nSampleFormat, nPredictor,
2885 : panRed, panGreen, panBlue, nExtraSamples, panExtraSampleValues,
2886 : osMetadata,
2887 125 : nOvrJpegQuality >= 0 ? CPLSPrintf("%d", nOvrJpegQuality) : nullptr,
2888 125 : CPLSPrintf("%d", m_nJpegTablesMode),
2889 2 : osNoData.empty() ? nullptr : osNoData.c_str(),
2890 125 : m_anLercAddCompressionAndVersion, m_bWriteCOGLayout);
2891 :
2892 125 : if (nOverviewOffset == 0)
2893 0 : eErr = CE_Failure;
2894 : else
2895 125 : eErr = RegisterNewOverviewDataset(nOverviewOffset, nOvrJpegQuality,
2896 : nullptr);
2897 : }
2898 :
2899 : // For directory reloading, so that the chaining to the next directory is
2900 : // reloaded, as well as compression parameters.
2901 66 : ReloadDirectory();
2902 :
2903 66 : CPLFree(panExtraSampleValues);
2904 66 : panExtraSampleValues = nullptr;
2905 :
2906 66 : return eErr;
2907 : }
2908 :
2909 : /************************************************************************/
2910 : /* CreateInternalMaskOverviews() */
2911 : /************************************************************************/
2912 :
2913 268 : CPLErr GTiffDataset::CreateInternalMaskOverviews(int nOvrBlockXSize,
2914 : int nOvrBlockYSize)
2915 : {
2916 268 : ScanDirectories();
2917 :
2918 : /* -------------------------------------------------------------------- */
2919 : /* Create overviews for the mask. */
2920 : /* -------------------------------------------------------------------- */
2921 268 : CPLErr eErr = CE_None;
2922 :
2923 268 : if (m_poMaskDS != nullptr && m_poMaskDS->GetRasterCount() == 1)
2924 : {
2925 : int nMaskOvrCompression;
2926 42 : if (strstr(GDALGetMetadataItem(GDALGetDriverByName("GTiff"),
2927 : GDAL_DMD_CREATIONOPTIONLIST, nullptr),
2928 42 : "<Value>DEFLATE</Value>") != nullptr)
2929 42 : nMaskOvrCompression = COMPRESSION_ADOBE_DEFLATE;
2930 : else
2931 0 : nMaskOvrCompression = COMPRESSION_PACKBITS;
2932 :
2933 117 : for (int i = 0; i < m_nOverviewCount; ++i)
2934 : {
2935 75 : if (m_papoOverviewDS[i]->m_poMaskDS == nullptr)
2936 : {
2937 126 : const toff_t nOverviewOffset = GTIFFWriteDirectory(
2938 : m_hTIFF, FILETYPE_REDUCEDIMAGE | FILETYPE_MASK,
2939 63 : m_papoOverviewDS[i]->nRasterXSize,
2940 63 : m_papoOverviewDS[i]->nRasterYSize, 1, PLANARCONFIG_CONTIG,
2941 : 1, nOvrBlockXSize, nOvrBlockYSize, TRUE,
2942 : nMaskOvrCompression, PHOTOMETRIC_MASK, SAMPLEFORMAT_UINT,
2943 : PREDICTOR_NONE, nullptr, nullptr, nullptr, 0, nullptr, "",
2944 63 : nullptr, nullptr, nullptr, nullptr, m_bWriteCOGLayout);
2945 :
2946 63 : if (nOverviewOffset == 0)
2947 : {
2948 0 : eErr = CE_Failure;
2949 0 : continue;
2950 : }
2951 :
2952 63 : GTiffDataset *poODS = new GTiffDataset();
2953 63 : poODS->ShareLockWithParentDataset(this);
2954 63 : poODS->m_pszFilename = CPLStrdup(m_pszFilename);
2955 63 : if (poODS->OpenOffset(VSI_TIFFOpenChild(m_hTIFF),
2956 63 : nOverviewOffset, GA_Update) != CE_None)
2957 : {
2958 0 : delete poODS;
2959 0 : eErr = CE_Failure;
2960 : }
2961 : else
2962 : {
2963 63 : poODS->m_bPromoteTo8Bits = CPLTestBool(CPLGetConfigOption(
2964 : "GDAL_TIFF_INTERNAL_MASK_TO_8BIT", "YES"));
2965 63 : poODS->m_poBaseDS = this;
2966 63 : poODS->m_poImageryDS = m_papoOverviewDS[i];
2967 63 : m_papoOverviewDS[i]->m_poMaskDS = poODS;
2968 63 : ++m_poMaskDS->m_nOverviewCount;
2969 126 : m_poMaskDS->m_papoOverviewDS =
2970 126 : static_cast<GTiffDataset **>(CPLRealloc(
2971 63 : m_poMaskDS->m_papoOverviewDS,
2972 63 : m_poMaskDS->m_nOverviewCount * (sizeof(void *))));
2973 63 : m_poMaskDS
2974 63 : ->m_papoOverviewDS[m_poMaskDS->m_nOverviewCount - 1] =
2975 : poODS;
2976 : }
2977 : }
2978 : }
2979 : }
2980 :
2981 268 : ReloadDirectory();
2982 :
2983 268 : return eErr;
2984 : }
2985 :
2986 : /************************************************************************/
2987 : /* AddOverviews() */
2988 : /************************************************************************/
2989 :
2990 : CPLErr
2991 13 : GTiffDataset::AddOverviews(const std::vector<GDALDataset *> &apoSrcOvrDSIn,
2992 : GDALProgressFunc pfnProgress, void *pProgressData,
2993 : CSLConstList papszOptions)
2994 : {
2995 : /* -------------------------------------------------------------------- */
2996 : /* If we don't have read access, then create the overviews */
2997 : /* externally. */
2998 : /* -------------------------------------------------------------------- */
2999 13 : if (GetAccess() != GA_Update)
3000 : {
3001 4 : CPLDebug("GTiff", "File open for read-only accessing, "
3002 : "creating overviews externally.");
3003 :
3004 4 : CPLErr eErr = GDALDataset::AddOverviews(apoSrcOvrDSIn, pfnProgress,
3005 : pProgressData, papszOptions);
3006 4 : if (eErr == CE_None && m_poMaskDS)
3007 : {
3008 0 : ReportError(
3009 : CE_Warning, CPLE_NotSupported,
3010 : "Building external overviews whereas there is an internal "
3011 : "mask is not fully supported. "
3012 : "The overviews of the non-mask bands will be created, "
3013 : "but not the overviews of the mask band.");
3014 : }
3015 4 : return eErr;
3016 : }
3017 :
3018 18 : std::vector<GDALDataset *> apoSrcOvrDS = apoSrcOvrDSIn;
3019 : // Sort overviews by descending size
3020 9 : std::sort(apoSrcOvrDS.begin(), apoSrcOvrDS.end(),
3021 0 : [](const GDALDataset *poDS1, const GDALDataset *poDS2)
3022 0 : { return poDS1->GetRasterXSize() > poDS2->GetRasterXSize(); });
3023 :
3024 9 : if (!GDALDefaultOverviews::CheckSrcOverviewsConsistencyWithBase(
3025 : this, apoSrcOvrDS))
3026 5 : return CE_Failure;
3027 :
3028 4 : ScanDirectories();
3029 :
3030 : // Make implicit JPEG overviews invisible, but do not destroy
3031 : // them in case they are already used (not sure that the client
3032 : // has the right to do that). Behavior maybe undefined in GDAL API.
3033 4 : m_nJPEGOverviewCount = 0;
3034 :
3035 4 : FlushDirectory();
3036 :
3037 : /* -------------------------------------------------------------------- */
3038 : /* If we are averaging bit data to grayscale we need to create */
3039 : /* 8bit overviews. */
3040 : /* -------------------------------------------------------------------- */
3041 4 : int nOvBitsPerSample = m_nBitsPerSample;
3042 :
3043 : /* -------------------------------------------------------------------- */
3044 : /* Do we need some metadata for the overviews? */
3045 : /* -------------------------------------------------------------------- */
3046 8 : CPLString osMetadata;
3047 :
3048 4 : const bool bIsForMaskBand = nBands == 1 && GetRasterBand(1)->IsMaskBand();
3049 4 : GTIFFBuildOverviewMetadata(/* resampling = */ "", this, bIsForMaskBand,
3050 : osMetadata);
3051 :
3052 : int nCompression;
3053 : uint16_t nPlanarConfig;
3054 : uint16_t nPredictor;
3055 : uint16_t nPhotometric;
3056 : int nOvrJpegQuality;
3057 8 : std::string osNoData;
3058 4 : uint16_t *panExtraSampleValues = nullptr;
3059 4 : uint16_t nExtraSamples = 0;
3060 4 : if (!GetOverviewParameters(nCompression, nPlanarConfig, nPredictor,
3061 : nPhotometric, nOvrJpegQuality, osNoData,
3062 : panExtraSampleValues, nExtraSamples,
3063 : papszOptions))
3064 : {
3065 0 : return CE_Failure;
3066 : }
3067 :
3068 : /* -------------------------------------------------------------------- */
3069 : /* Do we have a palette? If so, create a TIFF compatible version. */
3070 : /* -------------------------------------------------------------------- */
3071 8 : std::vector<unsigned short> anTRed;
3072 8 : std::vector<unsigned short> anTGreen;
3073 4 : std::vector<unsigned short> anTBlue;
3074 4 : unsigned short *panRed = nullptr;
3075 4 : unsigned short *panGreen = nullptr;
3076 4 : unsigned short *panBlue = nullptr;
3077 :
3078 4 : if (nPhotometric == PHOTOMETRIC_PALETTE && m_poColorTable != nullptr)
3079 : {
3080 0 : if (m_nColorTableMultiplier == 0)
3081 0 : m_nColorTableMultiplier = DEFAULT_COLOR_TABLE_MULTIPLIER_257;
3082 :
3083 0 : CreateTIFFColorTable(m_poColorTable.get(), nOvBitsPerSample,
3084 : m_nColorTableMultiplier, anTRed, anTGreen, anTBlue,
3085 : panRed, panGreen, panBlue);
3086 : }
3087 :
3088 : /* -------------------------------------------------------------------- */
3089 : /* Establish which of the overview levels we already have, and */
3090 : /* which are new. We assume that band 1 of the file is */
3091 : /* representative. */
3092 : /* -------------------------------------------------------------------- */
3093 4 : int nOvrBlockXSize = 0;
3094 4 : int nOvrBlockYSize = 0;
3095 4 : GTIFFGetOverviewBlockSize(GDALRasterBand::ToHandle(GetRasterBand(1)),
3096 : &nOvrBlockXSize, &nOvrBlockYSize);
3097 :
3098 4 : CPLErr eErr = CE_None;
3099 8 : for (const auto *poSrcOvrDS : apoSrcOvrDS)
3100 : {
3101 4 : bool bFound = false;
3102 4 : for (int i = 0; i < m_nOverviewCount && eErr == CE_None; ++i)
3103 : {
3104 2 : const GTiffDataset *poExistingODS = m_papoOverviewDS[i];
3105 2 : if (poExistingODS->GetRasterXSize() ==
3106 4 : poSrcOvrDS->GetRasterXSize() &&
3107 2 : poExistingODS->GetRasterYSize() == poSrcOvrDS->GetRasterYSize())
3108 : {
3109 2 : bFound = true;
3110 2 : break;
3111 : }
3112 : }
3113 4 : if (!bFound && eErr == CE_None)
3114 : {
3115 2 : if (m_bLayoutIFDSBeforeData && !m_bKnownIncompatibleEdition &&
3116 0 : !m_bWriteKnownIncompatibleEdition)
3117 : {
3118 0 : ReportError(CE_Warning, CPLE_AppDefined,
3119 : "Adding new overviews invalidates the "
3120 : "LAYOUT=IFDS_BEFORE_DATA property");
3121 0 : m_bKnownIncompatibleEdition = true;
3122 0 : m_bWriteKnownIncompatibleEdition = true;
3123 : }
3124 :
3125 6 : const toff_t nOverviewOffset = GTIFFWriteDirectory(
3126 : m_hTIFF, FILETYPE_REDUCEDIMAGE, poSrcOvrDS->GetRasterXSize(),
3127 : poSrcOvrDS->GetRasterYSize(), nOvBitsPerSample, nPlanarConfig,
3128 2 : m_nSamplesPerPixel, nOvrBlockXSize, nOvrBlockYSize, TRUE,
3129 2 : nCompression, nPhotometric, m_nSampleFormat, nPredictor, panRed,
3130 : panGreen, panBlue, nExtraSamples, panExtraSampleValues,
3131 : osMetadata,
3132 2 : nOvrJpegQuality >= 0 ? CPLSPrintf("%d", nOvrJpegQuality)
3133 : : nullptr,
3134 2 : CPLSPrintf("%d", m_nJpegTablesMode),
3135 0 : osNoData.empty() ? nullptr : osNoData.c_str(),
3136 2 : m_anLercAddCompressionAndVersion, false);
3137 :
3138 2 : if (nOverviewOffset == 0)
3139 0 : eErr = CE_Failure;
3140 : else
3141 2 : eErr = RegisterNewOverviewDataset(
3142 : nOverviewOffset, nOvrJpegQuality, papszOptions);
3143 : }
3144 : }
3145 :
3146 4 : CPLFree(panExtraSampleValues);
3147 4 : panExtraSampleValues = nullptr;
3148 :
3149 4 : ReloadDirectory();
3150 :
3151 4 : if (!pfnProgress)
3152 2 : pfnProgress = GDALDummyProgress;
3153 :
3154 : // almost 0, but not 0 to please Coverity Scan
3155 4 : double dfTotalPixels = std::numeric_limits<double>::min();
3156 8 : for (const auto *poSrcOvrDS : apoSrcOvrDS)
3157 : {
3158 4 : dfTotalPixels += static_cast<double>(poSrcOvrDS->GetRasterXSize()) *
3159 4 : poSrcOvrDS->GetRasterYSize();
3160 : }
3161 :
3162 : // Copy source datasets into target overview datasets
3163 4 : double dfCurPixels = 0;
3164 8 : for (auto *poSrcOvrDS : apoSrcOvrDS)
3165 : {
3166 4 : GDALDataset *poDstOvrDS = nullptr;
3167 4 : for (int i = 0; i < m_nOverviewCount && eErr == CE_None; ++i)
3168 : {
3169 4 : GTiffDataset *poExistingODS = m_papoOverviewDS[i];
3170 4 : if (poExistingODS->GetRasterXSize() ==
3171 8 : poSrcOvrDS->GetRasterXSize() &&
3172 4 : poExistingODS->GetRasterYSize() == poSrcOvrDS->GetRasterYSize())
3173 : {
3174 4 : poDstOvrDS = poExistingODS;
3175 4 : break;
3176 : }
3177 : }
3178 4 : if (poDstOvrDS)
3179 : {
3180 : const double dfThisPixels =
3181 4 : static_cast<double>(poSrcOvrDS->GetRasterXSize()) *
3182 4 : poSrcOvrDS->GetRasterYSize();
3183 8 : void *pScaledProgressData = GDALCreateScaledProgress(
3184 : dfCurPixels / dfTotalPixels,
3185 4 : (dfCurPixels + dfThisPixels) / dfTotalPixels, pfnProgress,
3186 : pProgressData);
3187 4 : dfCurPixels += dfThisPixels;
3188 4 : eErr = GDALDatasetCopyWholeRaster(GDALDataset::ToHandle(poSrcOvrDS),
3189 : GDALDataset::ToHandle(poDstOvrDS),
3190 : nullptr, GDALScaledProgress,
3191 : pScaledProgressData);
3192 4 : GDALDestroyScaledProgress(pScaledProgressData);
3193 : }
3194 : }
3195 :
3196 4 : return eErr;
3197 : }
3198 :
3199 : /************************************************************************/
3200 : /* IBuildOverviews() */
3201 : /************************************************************************/
3202 :
3203 402 : CPLErr GTiffDataset::IBuildOverviews(const char *pszResampling, int nOverviews,
3204 : const int *panOverviewList, int nBandsIn,
3205 : const int *panBandList,
3206 : GDALProgressFunc pfnProgress,
3207 : void *pProgressData,
3208 : CSLConstList papszOptions)
3209 :
3210 : {
3211 402 : ScanDirectories();
3212 :
3213 : // Make implicit JPEG overviews invisible, but do not destroy
3214 : // them in case they are already used (not sure that the client
3215 : // has the right to do that. Behavior maybe undefined in GDAL API.
3216 402 : m_nJPEGOverviewCount = 0;
3217 :
3218 : /* -------------------------------------------------------------------- */
3219 : /* If RRD or external OVR overviews requested, then invoke */
3220 : /* generic handling. */
3221 : /* -------------------------------------------------------------------- */
3222 402 : bool bUseGenericHandling = false;
3223 :
3224 402 : if (CPLTestBool(CSLFetchNameValueDef(
3225 802 : papszOptions, "USE_RRD", CPLGetConfigOption("USE_RRD", "NO"))) ||
3226 400 : CPLTestBool(
3227 : CSLFetchNameValueDef(papszOptions, "TIFF_USE_OVR",
3228 : CPLGetConfigOption("TIFF_USE_OVR", "NO"))))
3229 : {
3230 2 : bUseGenericHandling = true;
3231 : }
3232 :
3233 : /* -------------------------------------------------------------------- */
3234 : /* If we don't have read access, then create the overviews */
3235 : /* externally. */
3236 : /* -------------------------------------------------------------------- */
3237 402 : if (GetAccess() != GA_Update)
3238 : {
3239 143 : CPLDebug("GTiff", "File open for read-only accessing, "
3240 : "creating overviews externally.");
3241 :
3242 143 : bUseGenericHandling = true;
3243 : }
3244 :
3245 402 : if (bUseGenericHandling)
3246 : {
3247 145 : if (m_nOverviewCount != 0)
3248 : {
3249 0 : ReportError(CE_Failure, CPLE_NotSupported,
3250 : "Cannot add external overviews when there are already "
3251 : "internal overviews");
3252 0 : return CE_Failure;
3253 : }
3254 :
3255 145 : CPLStringList aosOptions(papszOptions);
3256 145 : if (!m_bWriteEmptyTiles)
3257 : {
3258 1 : aosOptions.SetNameValue("SPARSE_OK", "YES");
3259 : }
3260 :
3261 145 : CPLErr eErr = GDALDataset::IBuildOverviews(
3262 : pszResampling, nOverviews, panOverviewList, nBandsIn, panBandList,
3263 145 : pfnProgress, pProgressData, aosOptions);
3264 145 : if (eErr == CE_None && m_poMaskDS)
3265 : {
3266 1 : ReportError(
3267 : CE_Warning, CPLE_NotSupported,
3268 : "Building external overviews whereas there is an internal "
3269 : "mask is not fully supported. "
3270 : "The overviews of the non-mask bands will be created, "
3271 : "but not the overviews of the mask band.");
3272 : }
3273 145 : return eErr;
3274 : }
3275 :
3276 : /* -------------------------------------------------------------------- */
3277 : /* Our TIFF overview support currently only works safely if all */
3278 : /* bands are handled at the same time. */
3279 : /* -------------------------------------------------------------------- */
3280 257 : if (nBandsIn != GetRasterCount())
3281 : {
3282 0 : ReportError(CE_Failure, CPLE_NotSupported,
3283 : "Generation of overviews in TIFF currently only "
3284 : "supported when operating on all bands. "
3285 : "Operation failed.");
3286 0 : return CE_Failure;
3287 : }
3288 :
3289 : /* -------------------------------------------------------------------- */
3290 : /* If zero overviews were requested, we need to clear all */
3291 : /* existing overviews. */
3292 : /* -------------------------------------------------------------------- */
3293 257 : if (nOverviews == 0)
3294 : {
3295 8 : if (m_nOverviewCount == 0)
3296 3 : return GDALDataset::IBuildOverviews(
3297 : pszResampling, nOverviews, panOverviewList, nBandsIn,
3298 3 : panBandList, pfnProgress, pProgressData, papszOptions);
3299 :
3300 5 : return CleanOverviews();
3301 : }
3302 :
3303 249 : CPLErr eErr = CE_None;
3304 :
3305 : /* -------------------------------------------------------------------- */
3306 : /* Initialize progress counter. */
3307 : /* -------------------------------------------------------------------- */
3308 249 : if (!pfnProgress(0.0, nullptr, pProgressData))
3309 : {
3310 0 : ReportError(CE_Failure, CPLE_UserInterrupt, "User terminated");
3311 0 : return CE_Failure;
3312 : }
3313 :
3314 249 : FlushDirectory();
3315 :
3316 : /* -------------------------------------------------------------------- */
3317 : /* If we are averaging bit data to grayscale we need to create */
3318 : /* 8bit overviews. */
3319 : /* -------------------------------------------------------------------- */
3320 249 : int nOvBitsPerSample = m_nBitsPerSample;
3321 :
3322 249 : if (STARTS_WITH_CI(pszResampling, "AVERAGE_BIT2"))
3323 2 : nOvBitsPerSample = 8;
3324 :
3325 : /* -------------------------------------------------------------------- */
3326 : /* Do we need some metadata for the overviews? */
3327 : /* -------------------------------------------------------------------- */
3328 498 : CPLString osMetadata;
3329 :
3330 249 : const bool bIsForMaskBand = nBands == 1 && GetRasterBand(1)->IsMaskBand();
3331 249 : GTIFFBuildOverviewMetadata(pszResampling, this, bIsForMaskBand, osMetadata);
3332 :
3333 : int nCompression;
3334 : uint16_t nPlanarConfig;
3335 : uint16_t nPredictor;
3336 : uint16_t nPhotometric;
3337 : int nOvrJpegQuality;
3338 498 : std::string osNoData;
3339 249 : uint16_t *panExtraSampleValues = nullptr;
3340 249 : uint16_t nExtraSamples = 0;
3341 249 : if (!GetOverviewParameters(nCompression, nPlanarConfig, nPredictor,
3342 : nPhotometric, nOvrJpegQuality, osNoData,
3343 : panExtraSampleValues, nExtraSamples,
3344 : papszOptions))
3345 : {
3346 0 : return CE_Failure;
3347 : }
3348 :
3349 : /* -------------------------------------------------------------------- */
3350 : /* Do we have a palette? If so, create a TIFF compatible version. */
3351 : /* -------------------------------------------------------------------- */
3352 498 : std::vector<unsigned short> anTRed;
3353 498 : std::vector<unsigned short> anTGreen;
3354 498 : std::vector<unsigned short> anTBlue;
3355 249 : unsigned short *panRed = nullptr;
3356 249 : unsigned short *panGreen = nullptr;
3357 249 : unsigned short *panBlue = nullptr;
3358 :
3359 249 : if (nPhotometric == PHOTOMETRIC_PALETTE && m_poColorTable != nullptr)
3360 : {
3361 12 : if (m_nColorTableMultiplier == 0)
3362 0 : m_nColorTableMultiplier = DEFAULT_COLOR_TABLE_MULTIPLIER_257;
3363 :
3364 12 : CreateTIFFColorTable(m_poColorTable.get(), nOvBitsPerSample,
3365 : m_nColorTableMultiplier, anTRed, anTGreen, anTBlue,
3366 : panRed, panGreen, panBlue);
3367 : }
3368 :
3369 : /* -------------------------------------------------------------------- */
3370 : /* Establish which of the overview levels we already have, and */
3371 : /* which are new. We assume that band 1 of the file is */
3372 : /* representative. */
3373 : /* -------------------------------------------------------------------- */
3374 249 : int nOvrBlockXSize = 0;
3375 249 : int nOvrBlockYSize = 0;
3376 249 : GTIFFGetOverviewBlockSize(GDALRasterBand::ToHandle(GetRasterBand(1)),
3377 : &nOvrBlockXSize, &nOvrBlockYSize);
3378 498 : std::vector<bool> abRequireNewOverview(nOverviews, true);
3379 682 : for (int i = 0; i < nOverviews && eErr == CE_None; ++i)
3380 : {
3381 766 : for (int j = 0; j < m_nOverviewCount && eErr == CE_None; ++j)
3382 : {
3383 389 : GTiffDataset *poODS = m_papoOverviewDS[j];
3384 :
3385 : const int nOvFactor =
3386 389 : GDALComputeOvFactor(poODS->GetRasterXSize(), GetRasterXSize(),
3387 : poODS->GetRasterYSize(), GetRasterYSize());
3388 :
3389 : // If we already have a 1x1 overview and this new one would result
3390 : // in it too, then don't create it.
3391 449 : if (poODS->GetRasterXSize() == 1 && poODS->GetRasterYSize() == 1 &&
3392 449 : DIV_ROUND_UP(GetRasterXSize(), panOverviewList[i]) == 1 &&
3393 21 : DIV_ROUND_UP(GetRasterYSize(), panOverviewList[i]) == 1)
3394 : {
3395 21 : abRequireNewOverview[i] = false;
3396 21 : break;
3397 : }
3398 :
3399 701 : if (nOvFactor == panOverviewList[i] ||
3400 333 : nOvFactor == GDALOvLevelAdjust2(panOverviewList[i],
3401 : GetRasterXSize(),
3402 : GetRasterYSize()))
3403 : {
3404 35 : abRequireNewOverview[i] = false;
3405 35 : break;
3406 : }
3407 : }
3408 :
3409 433 : if (abRequireNewOverview[i])
3410 : {
3411 377 : if (m_bLayoutIFDSBeforeData && !m_bKnownIncompatibleEdition &&
3412 2 : !m_bWriteKnownIncompatibleEdition)
3413 : {
3414 2 : ReportError(CE_Warning, CPLE_AppDefined,
3415 : "Adding new overviews invalidates the "
3416 : "LAYOUT=IFDS_BEFORE_DATA property");
3417 2 : m_bKnownIncompatibleEdition = true;
3418 2 : m_bWriteKnownIncompatibleEdition = true;
3419 : }
3420 :
3421 : const int nOXSize =
3422 377 : DIV_ROUND_UP(GetRasterXSize(), panOverviewList[i]);
3423 : const int nOYSize =
3424 377 : DIV_ROUND_UP(GetRasterYSize(), panOverviewList[i]);
3425 :
3426 754 : const toff_t nOverviewOffset = GTIFFWriteDirectory(
3427 : m_hTIFF, FILETYPE_REDUCEDIMAGE, nOXSize, nOYSize,
3428 377 : nOvBitsPerSample, nPlanarConfig, m_nSamplesPerPixel,
3429 : nOvrBlockXSize, nOvrBlockYSize, TRUE, nCompression,
3430 377 : nPhotometric, m_nSampleFormat, nPredictor, panRed, panGreen,
3431 : panBlue, nExtraSamples, panExtraSampleValues, osMetadata,
3432 377 : nOvrJpegQuality >= 0 ? CPLSPrintf("%d", nOvrJpegQuality)
3433 : : nullptr,
3434 377 : CPLSPrintf("%d", m_nJpegTablesMode),
3435 25 : osNoData.empty() ? nullptr : osNoData.c_str(),
3436 377 : m_anLercAddCompressionAndVersion, false);
3437 :
3438 377 : if (nOverviewOffset == 0)
3439 0 : eErr = CE_Failure;
3440 : else
3441 377 : eErr = RegisterNewOverviewDataset(
3442 : nOverviewOffset, nOvrJpegQuality, papszOptions);
3443 : }
3444 : }
3445 :
3446 249 : CPLFree(panExtraSampleValues);
3447 249 : panExtraSampleValues = nullptr;
3448 :
3449 249 : ReloadDirectory();
3450 :
3451 : /* -------------------------------------------------------------------- */
3452 : /* Create overviews for the mask. */
3453 : /* -------------------------------------------------------------------- */
3454 249 : if (eErr != CE_None)
3455 0 : return eErr;
3456 :
3457 249 : eErr = CreateInternalMaskOverviews(nOvrBlockXSize, nOvrBlockYSize);
3458 :
3459 : /* -------------------------------------------------------------------- */
3460 : /* Refresh overviews for the mask */
3461 : /* -------------------------------------------------------------------- */
3462 : const bool bHasInternalMask =
3463 249 : m_poMaskDS != nullptr && m_poMaskDS->GetRasterCount() == 1;
3464 : const bool bHasExternalMask =
3465 249 : !bHasInternalMask && oOvManager.HaveMaskFile();
3466 249 : const bool bHasMask = bHasInternalMask || bHasExternalMask;
3467 :
3468 249 : if (bHasInternalMask)
3469 : {
3470 23 : int nMaskOverviews = 0;
3471 :
3472 : GDALRasterBand **papoOverviewBands = static_cast<GDALRasterBand **>(
3473 23 : CPLCalloc(sizeof(void *), m_nOverviewCount));
3474 62 : for (int i = 0; i < m_nOverviewCount; ++i)
3475 : {
3476 39 : if (m_papoOverviewDS[i]->m_poMaskDS != nullptr)
3477 : {
3478 39 : papoOverviewBands[nMaskOverviews++] =
3479 39 : m_papoOverviewDS[i]->m_poMaskDS->GetRasterBand(1);
3480 : }
3481 : }
3482 :
3483 46 : void *pScaledProgressData = GDALCreateScaledProgress(
3484 23 : 0, 1.0 / (nBands + 1), pfnProgress, pProgressData);
3485 46 : eErr = GDALRegenerateOverviewsEx(
3486 23 : m_poMaskDS->GetRasterBand(1), nMaskOverviews,
3487 : reinterpret_cast<GDALRasterBandH *>(papoOverviewBands),
3488 : pszResampling, GDALScaledProgress, pScaledProgressData,
3489 : papszOptions);
3490 23 : GDALDestroyScaledProgress(pScaledProgressData);
3491 23 : CPLFree(papoOverviewBands);
3492 : }
3493 226 : else if (bHasExternalMask)
3494 : {
3495 4 : void *pScaledProgressData = GDALCreateScaledProgress(
3496 2 : 0, 1.0 / (nBands + 1), pfnProgress, pProgressData);
3497 2 : eErr = oOvManager.BuildOverviewsMask(
3498 : pszResampling, nOverviews, panOverviewList, GDALScaledProgress,
3499 : pScaledProgressData, papszOptions);
3500 2 : GDALDestroyScaledProgress(pScaledProgressData);
3501 : }
3502 :
3503 : // If we have an alpha band, we want it to be generated before downsampling
3504 : // other bands
3505 249 : bool bHasAlphaBand = false;
3506 66241 : for (int iBand = 0; iBand < nBands; iBand++)
3507 : {
3508 65992 : if (papoBands[iBand]->GetColorInterpretation() == GCI_AlphaBand)
3509 18 : bHasAlphaBand = true;
3510 : }
3511 :
3512 : /* -------------------------------------------------------------------- */
3513 : /* Refresh old overviews that were listed. */
3514 : /* -------------------------------------------------------------------- */
3515 249 : const auto poColorTable = GetRasterBand(panBandList[0])->GetColorTable();
3516 20 : if ((m_nPlanarConfig == PLANARCONFIG_CONTIG || bHasAlphaBand) &&
3517 231 : GDALDataTypeIsComplex(
3518 231 : GetRasterBand(panBandList[0])->GetRasterDataType()) == FALSE &&
3519 12 : (poColorTable == nullptr || STARTS_WITH_CI(pszResampling, "NEAR") ||
3520 499 : poColorTable->IsIdentity()) &&
3521 223 : (STARTS_WITH_CI(pszResampling, "NEAR") ||
3522 117 : EQUAL(pszResampling, "AVERAGE") || EQUAL(pszResampling, "RMS") ||
3523 48 : EQUAL(pszResampling, "GAUSS") || EQUAL(pszResampling, "CUBIC") ||
3524 29 : EQUAL(pszResampling, "CUBICSPLINE") ||
3525 28 : EQUAL(pszResampling, "LANCZOS") || EQUAL(pszResampling, "BILINEAR") ||
3526 24 : EQUAL(pszResampling, "MODE")))
3527 : {
3528 : // In the case of pixel interleaved compressed overviews, we want to
3529 : // generate the overviews for all the bands block by block, and not
3530 : // band after band, in order to write the block once and not loose
3531 : // space in the TIFF file. We also use that logic for uncompressed
3532 : // overviews, since GDALRegenerateOverviewsMultiBand() will be able to
3533 : // trigger cascading overview regeneration even in the presence
3534 : // of an alpha band.
3535 :
3536 202 : int nNewOverviews = 0;
3537 :
3538 : GDALRasterBand ***papapoOverviewBands = static_cast<GDALRasterBand ***>(
3539 202 : CPLCalloc(sizeof(void *), nBandsIn));
3540 : GDALRasterBand **papoBandList =
3541 202 : static_cast<GDALRasterBand **>(CPLCalloc(sizeof(void *), nBandsIn));
3542 66101 : for (int iBand = 0; iBand < nBandsIn; ++iBand)
3543 : {
3544 65899 : GDALRasterBand *poBand = GetRasterBand(panBandList[iBand]);
3545 :
3546 65899 : papoBandList[iBand] = poBand;
3547 131798 : papapoOverviewBands[iBand] = static_cast<GDALRasterBand **>(
3548 65899 : CPLCalloc(sizeof(void *), poBand->GetOverviewCount()));
3549 :
3550 65899 : int iCurOverview = 0;
3551 : std::vector<bool> abAlreadyUsedOverviewBand(
3552 65899 : poBand->GetOverviewCount(), false);
3553 :
3554 132084 : for (int i = 0; i < nOverviews; ++i)
3555 : {
3556 66645 : for (int j = 0; j < poBand->GetOverviewCount(); ++j)
3557 : {
3558 66630 : if (abAlreadyUsedOverviewBand[j])
3559 459 : continue;
3560 :
3561 : int nOvFactor;
3562 66171 : GDALRasterBand *poOverview = poBand->GetOverview(j);
3563 :
3564 66171 : nOvFactor = GDALComputeOvFactor(
3565 : poOverview->GetXSize(), poBand->GetXSize(),
3566 : poOverview->GetYSize(), poBand->GetYSize());
3567 :
3568 66171 : GDALCopyNoDataValue(poOverview, poBand);
3569 :
3570 66172 : if (nOvFactor == panOverviewList[i] ||
3571 1 : nOvFactor == GDALOvLevelAdjust2(panOverviewList[i],
3572 : poBand->GetXSize(),
3573 : poBand->GetYSize()))
3574 : {
3575 66170 : if (iBand == 0)
3576 : {
3577 : const auto osNewResampling =
3578 658 : GDALGetNormalizedOvrResampling(pszResampling);
3579 : const char *pszExistingResampling =
3580 329 : poOverview->GetMetadataItem("RESAMPLING");
3581 658 : if (pszExistingResampling &&
3582 329 : pszExistingResampling != osNewResampling)
3583 : {
3584 2 : poOverview->SetMetadataItem(
3585 2 : "RESAMPLING", osNewResampling.c_str());
3586 : }
3587 : }
3588 :
3589 66170 : abAlreadyUsedOverviewBand[j] = true;
3590 66170 : CPLAssert(iCurOverview < poBand->GetOverviewCount());
3591 66170 : papapoOverviewBands[iBand][iCurOverview] = poOverview;
3592 66170 : ++iCurOverview;
3593 66170 : break;
3594 : }
3595 : }
3596 : }
3597 :
3598 65899 : if (nNewOverviews == 0)
3599 : {
3600 202 : nNewOverviews = iCurOverview;
3601 : }
3602 65697 : else if (nNewOverviews != iCurOverview)
3603 : {
3604 0 : CPLAssert(false);
3605 : return CE_Failure;
3606 : }
3607 : }
3608 :
3609 : void *pScaledProgressData =
3610 202 : bHasMask ? GDALCreateScaledProgress(1.0 / (nBands + 1), 1.0,
3611 : pfnProgress, pProgressData)
3612 177 : : GDALCreateScaledProgress(0.0, 1.0, pfnProgress,
3613 202 : pProgressData);
3614 202 : GDALRegenerateOverviewsMultiBand(nBandsIn, papoBandList, nNewOverviews,
3615 : papapoOverviewBands, pszResampling,
3616 : GDALScaledProgress,
3617 : pScaledProgressData, papszOptions);
3618 202 : GDALDestroyScaledProgress(pScaledProgressData);
3619 :
3620 66101 : for (int iBand = 0; iBand < nBandsIn; ++iBand)
3621 : {
3622 65899 : CPLFree(papapoOverviewBands[iBand]);
3623 : }
3624 202 : CPLFree(papapoOverviewBands);
3625 202 : CPLFree(papoBandList);
3626 : }
3627 : else
3628 : {
3629 : GDALRasterBand **papoOverviewBands = static_cast<GDALRasterBand **>(
3630 47 : CPLCalloc(sizeof(void *), nOverviews));
3631 :
3632 47 : const int iBandOffset = bHasMask ? 1 : 0;
3633 :
3634 140 : for (int iBand = 0; iBand < nBandsIn && eErr == CE_None; ++iBand)
3635 : {
3636 93 : GDALRasterBand *poBand = GetRasterBand(panBandList[iBand]);
3637 93 : if (poBand == nullptr)
3638 : {
3639 0 : eErr = CE_Failure;
3640 0 : break;
3641 : }
3642 :
3643 : std::vector<bool> abAlreadyUsedOverviewBand(
3644 186 : poBand->GetOverviewCount(), false);
3645 :
3646 93 : int nNewOverviews = 0;
3647 282 : for (int i = 0; i < nOverviews; ++i)
3648 : {
3649 447 : for (int j = 0; j < poBand->GetOverviewCount(); ++j)
3650 : {
3651 429 : if (abAlreadyUsedOverviewBand[j])
3652 257 : continue;
3653 :
3654 172 : GDALRasterBand *poOverview = poBand->GetOverview(j);
3655 :
3656 172 : GDALCopyNoDataValue(poOverview, poBand);
3657 :
3658 172 : const int nOvFactor = GDALComputeOvFactor(
3659 : poOverview->GetXSize(), poBand->GetXSize(),
3660 : poOverview->GetYSize(), poBand->GetYSize());
3661 :
3662 173 : if (nOvFactor == panOverviewList[i] ||
3663 1 : nOvFactor == GDALOvLevelAdjust2(panOverviewList[i],
3664 : poBand->GetXSize(),
3665 : poBand->GetYSize()))
3666 : {
3667 171 : if (iBand == 0)
3668 : {
3669 : const auto osNewResampling =
3670 166 : GDALGetNormalizedOvrResampling(pszResampling);
3671 : const char *pszExistingResampling =
3672 83 : poOverview->GetMetadataItem("RESAMPLING");
3673 134 : if (pszExistingResampling &&
3674 51 : pszExistingResampling != osNewResampling)
3675 : {
3676 1 : poOverview->SetMetadataItem(
3677 1 : "RESAMPLING", osNewResampling.c_str());
3678 : }
3679 : }
3680 :
3681 171 : abAlreadyUsedOverviewBand[j] = true;
3682 171 : CPLAssert(nNewOverviews < poBand->GetOverviewCount());
3683 171 : papoOverviewBands[nNewOverviews++] = poOverview;
3684 171 : break;
3685 : }
3686 : }
3687 : }
3688 :
3689 186 : void *pScaledProgressData = GDALCreateScaledProgress(
3690 93 : (iBand + iBandOffset) /
3691 93 : static_cast<double>(nBandsIn + iBandOffset),
3692 93 : (iBand + iBandOffset + 1) /
3693 93 : static_cast<double>(nBandsIn + iBandOffset),
3694 : pfnProgress, pProgressData);
3695 :
3696 93 : eErr = GDALRegenerateOverviewsEx(
3697 : poBand, nNewOverviews,
3698 : reinterpret_cast<GDALRasterBandH *>(papoOverviewBands),
3699 : pszResampling, GDALScaledProgress, pScaledProgressData,
3700 : papszOptions);
3701 :
3702 93 : GDALDestroyScaledProgress(pScaledProgressData);
3703 : }
3704 :
3705 : /* --------------------------------------------------------------------
3706 : */
3707 : /* Cleanup */
3708 : /* --------------------------------------------------------------------
3709 : */
3710 47 : CPLFree(papoOverviewBands);
3711 : }
3712 :
3713 249 : pfnProgress(1.0, nullptr, pProgressData);
3714 :
3715 249 : return eErr;
3716 : }
3717 :
3718 : /************************************************************************/
3719 : /* GTiffWriteDummyGeokeyDirectory() */
3720 : /************************************************************************/
3721 :
3722 1395 : static void GTiffWriteDummyGeokeyDirectory(TIFF *hTIFF)
3723 : {
3724 : // If we have existing geokeys, try to wipe them
3725 : // by writing a dummy geokey directory. (#2546)
3726 1395 : uint16_t *panVI = nullptr;
3727 1395 : uint16_t nKeyCount = 0;
3728 :
3729 1395 : if (TIFFGetField(hTIFF, TIFFTAG_GEOKEYDIRECTORY, &nKeyCount, &panVI))
3730 : {
3731 24 : GUInt16 anGKVersionInfo[4] = {1, 1, 0, 0};
3732 24 : double adfDummyDoubleParams[1] = {0.0};
3733 24 : TIFFSetField(hTIFF, TIFFTAG_GEOKEYDIRECTORY, 4, anGKVersionInfo);
3734 24 : TIFFSetField(hTIFF, TIFFTAG_GEODOUBLEPARAMS, 1, adfDummyDoubleParams);
3735 24 : TIFFSetField(hTIFF, TIFFTAG_GEOASCIIPARAMS, "");
3736 : }
3737 1395 : }
3738 :
3739 : /************************************************************************/
3740 : /* IsSRSCompatibleOfGeoTIFF() */
3741 : /************************************************************************/
3742 :
3743 2954 : static bool IsSRSCompatibleOfGeoTIFF(const OGRSpatialReference *poSRS,
3744 : GTIFFKeysFlavorEnum eGeoTIFFKeysFlavor)
3745 : {
3746 2954 : char *pszWKT = nullptr;
3747 2954 : if ((poSRS->IsGeographic() || poSRS->IsProjected()) && !poSRS->IsCompound())
3748 : {
3749 2936 : const char *pszAuthName = poSRS->GetAuthorityName(nullptr);
3750 2936 : const char *pszAuthCode = poSRS->GetAuthorityCode(nullptr);
3751 2936 : if (pszAuthName && pszAuthCode && EQUAL(pszAuthName, "EPSG"))
3752 2436 : return true;
3753 : }
3754 : OGRErr eErr;
3755 : {
3756 1036 : CPLErrorStateBackuper oErrorStateBackuper(CPLQuietErrorHandler);
3757 1036 : if (poSRS->IsDerivedGeographic() ||
3758 518 : (poSRS->IsProjected() && !poSRS->IsCompound() &&
3759 68 : poSRS->GetAxesCount() == 3))
3760 : {
3761 0 : eErr = OGRERR_FAILURE;
3762 : }
3763 : else
3764 : {
3765 : // Geographic3D CRS can't be exported to WKT1, but are
3766 : // valid GeoTIFF 1.1
3767 518 : const char *const apszOptions[] = {
3768 518 : poSRS->IsGeographic() ? nullptr : "FORMAT=WKT1", nullptr};
3769 518 : eErr = poSRS->exportToWkt(&pszWKT, apszOptions);
3770 518 : if (eErr == OGRERR_FAILURE && poSRS->IsProjected() &&
3771 : eGeoTIFFKeysFlavor == GEOTIFF_KEYS_ESRI_PE)
3772 : {
3773 0 : CPLFree(pszWKT);
3774 0 : const char *const apszOptionsESRIWKT[] = {"FORMAT=WKT1_ESRI",
3775 : nullptr};
3776 0 : eErr = poSRS->exportToWkt(&pszWKT, apszOptionsESRIWKT);
3777 : }
3778 : }
3779 : }
3780 518 : const bool bCompatibleOfGeoTIFF =
3781 1035 : (eErr == OGRERR_NONE && pszWKT != nullptr &&
3782 517 : strstr(pszWKT, "custom_proj4") == nullptr);
3783 518 : CPLFree(pszWKT);
3784 518 : return bCompatibleOfGeoTIFF;
3785 : }
3786 :
3787 : /************************************************************************/
3788 : /* WriteGeoTIFFInfo() */
3789 : /************************************************************************/
3790 :
3791 5596 : void GTiffDataset::WriteGeoTIFFInfo()
3792 :
3793 : {
3794 5596 : bool bPixelIsPoint = false;
3795 5596 : bool bPointGeoIgnore = false;
3796 :
3797 : const char *pszAreaOrPoint =
3798 5596 : GTiffDataset::GetMetadataItem(GDALMD_AREA_OR_POINT);
3799 5596 : if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_POINT))
3800 : {
3801 17 : bPixelIsPoint = true;
3802 : bPointGeoIgnore =
3803 17 : CPLTestBool(CPLGetConfigOption("GTIFF_POINT_GEO_IGNORE", "FALSE"));
3804 : }
3805 :
3806 5596 : if (m_bForceUnsetGTOrGCPs)
3807 : {
3808 11 : m_bNeedsRewrite = true;
3809 11 : m_bForceUnsetGTOrGCPs = false;
3810 :
3811 11 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEOPIXELSCALE);
3812 11 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEOTIEPOINTS);
3813 11 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEOTRANSMATRIX);
3814 : }
3815 :
3816 5596 : if (m_bForceUnsetProjection)
3817 : {
3818 8 : m_bNeedsRewrite = true;
3819 8 : m_bForceUnsetProjection = false;
3820 :
3821 8 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEOKEYDIRECTORY);
3822 8 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEODOUBLEPARAMS);
3823 8 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEOASCIIPARAMS);
3824 : }
3825 :
3826 : /* -------------------------------------------------------------------- */
3827 : /* Write geotransform if valid. */
3828 : /* -------------------------------------------------------------------- */
3829 5596 : if (m_bGeoTransformValid)
3830 : {
3831 1683 : m_bNeedsRewrite = true;
3832 :
3833 : /* --------------------------------------------------------------------
3834 : */
3835 : /* Clear old tags to ensure we don't end up with conflicting */
3836 : /* information. (#2625) */
3837 : /* --------------------------------------------------------------------
3838 : */
3839 1683 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEOPIXELSCALE);
3840 1683 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEOTIEPOINTS);
3841 1683 : TIFFUnsetField(m_hTIFF, TIFFTAG_GEOTRANSMATRIX);
3842 :
3843 : /* --------------------------------------------------------------------
3844 : */
3845 : /* Write the transform. If we have a normal north-up image we */
3846 : /* use the tiepoint plus pixelscale otherwise we use a matrix. */
3847 : /* --------------------------------------------------------------------
3848 : */
3849 1683 : if (m_gt[2] == 0.0 && m_gt[4] == 0.0 && m_gt[5] < 0.0)
3850 : {
3851 1617 : double dfOffset = 0.0;
3852 1617 : if (m_eProfile != GTiffProfile::BASELINE)
3853 : {
3854 : // In the case the SRS has a vertical component and we have
3855 : // a single band, encode its scale/offset in the GeoTIFF tags
3856 1611 : int bHasScale = FALSE;
3857 1611 : double dfScale = GetRasterBand(1)->GetScale(&bHasScale);
3858 1611 : int bHasOffset = FALSE;
3859 1611 : dfOffset = GetRasterBand(1)->GetOffset(&bHasOffset);
3860 : const bool bApplyScaleOffset =
3861 1611 : m_oSRS.IsVertical() && GetRasterCount() == 1;
3862 1611 : if (bApplyScaleOffset && !bHasScale)
3863 0 : dfScale = 1.0;
3864 1611 : if (!bApplyScaleOffset || !bHasOffset)
3865 1608 : dfOffset = 0.0;
3866 : const double adfPixelScale[3] = {
3867 1611 : m_gt[1], fabs(m_gt[5]), bApplyScaleOffset ? dfScale : 0.0};
3868 1611 : TIFFSetField(m_hTIFF, TIFFTAG_GEOPIXELSCALE, 3, adfPixelScale);
3869 : }
3870 :
3871 1617 : double adfTiePoints[6] = {0.0, 0.0, 0.0,
3872 1617 : m_gt[0], m_gt[3], dfOffset};
3873 :
3874 1617 : if (bPixelIsPoint && !bPointGeoIgnore)
3875 : {
3876 13 : adfTiePoints[3] += m_gt[1] * 0.5 + m_gt[2] * 0.5;
3877 13 : adfTiePoints[4] += m_gt[4] * 0.5 + m_gt[5] * 0.5;
3878 : }
3879 :
3880 1617 : if (m_eProfile != GTiffProfile::BASELINE)
3881 1611 : TIFFSetField(m_hTIFF, TIFFTAG_GEOTIEPOINTS, 6, adfTiePoints);
3882 : }
3883 : else
3884 : {
3885 66 : double adfMatrix[16] = {};
3886 :
3887 66 : adfMatrix[0] = m_gt[1];
3888 66 : adfMatrix[1] = m_gt[2];
3889 66 : adfMatrix[3] = m_gt[0];
3890 66 : adfMatrix[4] = m_gt[4];
3891 66 : adfMatrix[5] = m_gt[5];
3892 66 : adfMatrix[7] = m_gt[3];
3893 66 : adfMatrix[15] = 1.0;
3894 :
3895 66 : if (bPixelIsPoint && !bPointGeoIgnore)
3896 : {
3897 0 : adfMatrix[3] += m_gt[1] * 0.5 + m_gt[2] * 0.5;
3898 0 : adfMatrix[7] += m_gt[4] * 0.5 + m_gt[5] * 0.5;
3899 : }
3900 :
3901 66 : if (m_eProfile != GTiffProfile::BASELINE)
3902 66 : TIFFSetField(m_hTIFF, TIFFTAG_GEOTRANSMATRIX, 16, adfMatrix);
3903 : }
3904 :
3905 : // Do we need a world file?
3906 1683 : if (CPLFetchBool(m_papszCreationOptions, "TFW", false))
3907 7 : GDALWriteWorldFile(m_pszFilename, "tfw", m_gt.data());
3908 1676 : else if (CPLFetchBool(m_papszCreationOptions, "WORLDFILE", false))
3909 2 : GDALWriteWorldFile(m_pszFilename, "wld", m_gt.data());
3910 : }
3911 3927 : else if (GetGCPCount() > 0 && GetGCPCount() <= knMAX_GCP_COUNT &&
3912 14 : m_eProfile != GTiffProfile::BASELINE)
3913 : {
3914 14 : m_bNeedsRewrite = true;
3915 :
3916 : double *padfTiePoints = static_cast<double *>(
3917 14 : CPLMalloc(6 * sizeof(double) * GetGCPCount()));
3918 :
3919 74 : for (size_t iGCP = 0; iGCP < m_aoGCPs.size(); ++iGCP)
3920 : {
3921 :
3922 60 : padfTiePoints[iGCP * 6 + 0] = m_aoGCPs[iGCP].Pixel();
3923 60 : padfTiePoints[iGCP * 6 + 1] = m_aoGCPs[iGCP].Line();
3924 60 : padfTiePoints[iGCP * 6 + 2] = 0;
3925 60 : padfTiePoints[iGCP * 6 + 3] = m_aoGCPs[iGCP].X();
3926 60 : padfTiePoints[iGCP * 6 + 4] = m_aoGCPs[iGCP].Y();
3927 60 : padfTiePoints[iGCP * 6 + 5] = m_aoGCPs[iGCP].Z();
3928 :
3929 60 : if (bPixelIsPoint && !bPointGeoIgnore)
3930 : {
3931 0 : padfTiePoints[iGCP * 6 + 0] += 0.5;
3932 0 : padfTiePoints[iGCP * 6 + 1] += 0.5;
3933 : }
3934 : }
3935 :
3936 14 : TIFFSetField(m_hTIFF, TIFFTAG_GEOTIEPOINTS, 6 * GetGCPCount(),
3937 : padfTiePoints);
3938 14 : CPLFree(padfTiePoints);
3939 : }
3940 :
3941 : /* -------------------------------------------------------------------- */
3942 : /* Write out projection definition. */
3943 : /* -------------------------------------------------------------------- */
3944 5596 : const bool bHasProjection = !m_oSRS.IsEmpty();
3945 5596 : if ((bHasProjection || bPixelIsPoint) &&
3946 1399 : m_eProfile != GTiffProfile::BASELINE)
3947 : {
3948 1395 : m_bNeedsRewrite = true;
3949 :
3950 : // If we have existing geokeys, try to wipe them
3951 : // by writing a dummy geokey directory. (#2546)
3952 1395 : GTiffWriteDummyGeokeyDirectory(m_hTIFF);
3953 :
3954 1395 : GTIF *psGTIF = GTiffDataset::GTIFNew(m_hTIFF);
3955 :
3956 : // Set according to coordinate system.
3957 1395 : if (bHasProjection)
3958 : {
3959 1394 : if (IsSRSCompatibleOfGeoTIFF(&m_oSRS, m_eGeoTIFFKeysFlavor))
3960 : {
3961 1392 : GTIFSetFromOGISDefnEx(psGTIF,
3962 : OGRSpatialReference::ToHandle(&m_oSRS),
3963 : m_eGeoTIFFKeysFlavor, m_eGeoTIFFVersion);
3964 : }
3965 : else
3966 : {
3967 2 : GDALPamDataset::SetSpatialRef(&m_oSRS);
3968 : }
3969 : }
3970 :
3971 1395 : if (bPixelIsPoint)
3972 : {
3973 17 : GTIFKeySet(psGTIF, GTRasterTypeGeoKey, TYPE_SHORT, 1,
3974 : RasterPixelIsPoint);
3975 : }
3976 :
3977 1395 : GTIFWriteKeys(psGTIF);
3978 1395 : GTIFFree(psGTIF);
3979 : }
3980 5596 : }
3981 :
3982 : /************************************************************************/
3983 : /* AppendMetadataItem() */
3984 : /************************************************************************/
3985 :
3986 3449 : static void AppendMetadataItem(CPLXMLNode **ppsRoot, CPLXMLNode **ppsTail,
3987 : const char *pszKey, const char *pszValue,
3988 : int nBand, const char *pszRole,
3989 : const char *pszDomain)
3990 :
3991 : {
3992 : /* -------------------------------------------------------------------- */
3993 : /* Create the Item element, and subcomponents. */
3994 : /* -------------------------------------------------------------------- */
3995 3449 : CPLXMLNode *psItem = CPLCreateXMLNode(nullptr, CXT_Element, "Item");
3996 3449 : CPLCreateXMLNode(CPLCreateXMLNode(psItem, CXT_Attribute, "name"), CXT_Text,
3997 : pszKey);
3998 :
3999 3449 : if (nBand > 0)
4000 : {
4001 839 : char szBandId[32] = {};
4002 839 : snprintf(szBandId, sizeof(szBandId), "%d", nBand - 1);
4003 839 : CPLCreateXMLNode(CPLCreateXMLNode(psItem, CXT_Attribute, "sample"),
4004 : CXT_Text, szBandId);
4005 : }
4006 :
4007 3449 : if (pszRole != nullptr)
4008 343 : CPLCreateXMLNode(CPLCreateXMLNode(psItem, CXT_Attribute, "role"),
4009 : CXT_Text, pszRole);
4010 :
4011 3449 : if (pszDomain != nullptr && strlen(pszDomain) > 0)
4012 954 : CPLCreateXMLNode(CPLCreateXMLNode(psItem, CXT_Attribute, "domain"),
4013 : CXT_Text, pszDomain);
4014 :
4015 : // Note: this escaping should not normally be done, as the serialization
4016 : // of the tree to XML also does it, so we end up width double XML escaping,
4017 : // but keep it for backward compatibility.
4018 3449 : char *pszEscapedItemValue = CPLEscapeString(pszValue, -1, CPLES_XML);
4019 3449 : CPLCreateXMLNode(psItem, CXT_Text, pszEscapedItemValue);
4020 3449 : CPLFree(pszEscapedItemValue);
4021 :
4022 : /* -------------------------------------------------------------------- */
4023 : /* Create root, if missing. */
4024 : /* -------------------------------------------------------------------- */
4025 3449 : if (*ppsRoot == nullptr)
4026 615 : *ppsRoot = CPLCreateXMLNode(nullptr, CXT_Element, "GDALMetadata");
4027 :
4028 : /* -------------------------------------------------------------------- */
4029 : /* Append item to tail. We keep track of the tail to avoid */
4030 : /* O(nsquared) time as the list gets longer. */
4031 : /* -------------------------------------------------------------------- */
4032 3449 : if (*ppsTail == nullptr)
4033 615 : CPLAddXMLChild(*ppsRoot, psItem);
4034 : else
4035 2834 : CPLAddXMLSibling(*ppsTail, psItem);
4036 :
4037 3449 : *ppsTail = psItem;
4038 3449 : }
4039 :
4040 : /************************************************************************/
4041 : /* WriteMDMetadata() */
4042 : /************************************************************************/
4043 :
4044 310158 : static void WriteMDMetadata(GDALMultiDomainMetadata *poMDMD, TIFF *hTIFF,
4045 : CPLXMLNode **ppsRoot, CPLXMLNode **ppsTail,
4046 : int nBand, GTiffProfile eProfile)
4047 :
4048 : {
4049 :
4050 : /* ==================================================================== */
4051 : /* Process each domain. */
4052 : /* ==================================================================== */
4053 310158 : CSLConstList papszDomainList = poMDMD->GetDomainList();
4054 318127 : for (int iDomain = 0; papszDomainList && papszDomainList[iDomain];
4055 : ++iDomain)
4056 : {
4057 7969 : CSLConstList papszMD = poMDMD->GetMetadata(papszDomainList[iDomain]);
4058 7969 : bool bIsXML = false;
4059 :
4060 7969 : if (EQUAL(papszDomainList[iDomain], "IMAGE_STRUCTURE") ||
4061 2297 : EQUAL(papszDomainList[iDomain], "DERIVED_SUBDATASETS"))
4062 5675 : continue; // Ignored.
4063 2294 : if (EQUAL(papszDomainList[iDomain], "COLOR_PROFILE"))
4064 3 : continue; // Handled elsewhere.
4065 2291 : if (EQUAL(papszDomainList[iDomain], MD_DOMAIN_RPC))
4066 7 : continue; // Handled elsewhere.
4067 2285 : if (EQUAL(papszDomainList[iDomain], "xml:ESRI") &&
4068 1 : CPLTestBool(CPLGetConfigOption("ESRI_XML_PAM", "NO")))
4069 1 : continue; // Handled elsewhere.
4070 2283 : if (EQUAL(papszDomainList[iDomain], "xml:XMP"))
4071 2 : continue; // Handled in SetMetadata.
4072 :
4073 2281 : if (STARTS_WITH_CI(papszDomainList[iDomain], "xml:"))
4074 2 : bIsXML = true;
4075 :
4076 : /* --------------------------------------------------------------------
4077 : */
4078 : /* Process each item in this domain. */
4079 : /* --------------------------------------------------------------------
4080 : */
4081 6933 : for (int iItem = 0; papszMD && papszMD[iItem]; ++iItem)
4082 : {
4083 4652 : const char *pszItemValue = nullptr;
4084 4652 : char *pszItemName = nullptr;
4085 :
4086 4652 : if (bIsXML)
4087 : {
4088 2 : pszItemName = CPLStrdup("doc");
4089 2 : pszItemValue = papszMD[iItem];
4090 : }
4091 : else
4092 : {
4093 4650 : pszItemValue = CPLParseNameValue(papszMD[iItem], &pszItemName);
4094 4650 : if (pszItemName == nullptr)
4095 : {
4096 49 : CPLDebug("GTiff", "Invalid metadata item : %s",
4097 49 : papszMD[iItem]);
4098 49 : continue;
4099 : }
4100 : }
4101 :
4102 : /* --------------------------------------------------------------------
4103 : */
4104 : /* Convert into XML item or handle as a special TIFF tag. */
4105 : /* --------------------------------------------------------------------
4106 : */
4107 4603 : if (strlen(papszDomainList[iDomain]) == 0 && nBand == 0 &&
4108 3543 : (STARTS_WITH_CI(pszItemName, "TIFFTAG_") ||
4109 3482 : (EQUAL(pszItemName, "GEO_METADATA") &&
4110 3481 : eProfile == GTiffProfile::GDALGEOTIFF) ||
4111 3481 : (EQUAL(pszItemName, "TIFF_RSID") &&
4112 : eProfile == GTiffProfile::GDALGEOTIFF)))
4113 : {
4114 63 : if (EQUAL(pszItemName, "TIFFTAG_RESOLUTIONUNIT"))
4115 : {
4116 : // ResolutionUnit can't be 0, which is the default if
4117 : // atoi() fails. Set to 1=Unknown.
4118 9 : int v = atoi(pszItemValue);
4119 9 : if (!v)
4120 1 : v = RESUNIT_NONE;
4121 9 : TIFFSetField(hTIFF, TIFFTAG_RESOLUTIONUNIT, v);
4122 : }
4123 : else
4124 : {
4125 54 : bool bFoundTag = false;
4126 54 : size_t iTag = 0; // Used after for.
4127 54 : const auto *pasTIFFTags = GTiffDataset::GetTIFFTags();
4128 286 : for (; pasTIFFTags[iTag].pszTagName; ++iTag)
4129 : {
4130 286 : if (EQUAL(pszItemName, pasTIFFTags[iTag].pszTagName))
4131 : {
4132 54 : bFoundTag = true;
4133 54 : break;
4134 : }
4135 : }
4136 :
4137 54 : if (bFoundTag &&
4138 54 : pasTIFFTags[iTag].eType == GTIFFTAGTYPE_STRING)
4139 33 : TIFFSetField(hTIFF, pasTIFFTags[iTag].nTagVal,
4140 : pszItemValue);
4141 21 : else if (bFoundTag &&
4142 21 : pasTIFFTags[iTag].eType == GTIFFTAGTYPE_FLOAT)
4143 16 : TIFFSetField(hTIFF, pasTIFFTags[iTag].nTagVal,
4144 : CPLAtof(pszItemValue));
4145 5 : else if (bFoundTag &&
4146 5 : pasTIFFTags[iTag].eType == GTIFFTAGTYPE_SHORT)
4147 4 : TIFFSetField(hTIFF, pasTIFFTags[iTag].nTagVal,
4148 : atoi(pszItemValue));
4149 1 : else if (bFoundTag && pasTIFFTags[iTag].eType ==
4150 : GTIFFTAGTYPE_BYTE_STRING)
4151 : {
4152 1 : uint32_t nLen =
4153 1 : static_cast<uint32_t>(strlen(pszItemValue));
4154 1 : if (nLen)
4155 : {
4156 1 : TIFFSetField(hTIFF, pasTIFFTags[iTag].nTagVal, nLen,
4157 : pszItemValue);
4158 1 : }
4159 : }
4160 : else
4161 0 : CPLError(CE_Warning, CPLE_NotSupported,
4162 : "%s metadata item is unhandled and "
4163 : "will not be written",
4164 : pszItemName);
4165 63 : }
4166 : }
4167 4540 : else if (nBand == 0 && EQUAL(pszItemName, GDALMD_AREA_OR_POINT))
4168 : {
4169 : /* Do nothing, handled elsewhere. */;
4170 : }
4171 : else
4172 : {
4173 2720 : AppendMetadataItem(ppsRoot, ppsTail, pszItemName, pszItemValue,
4174 2720 : nBand, nullptr, papszDomainList[iDomain]);
4175 : }
4176 :
4177 4603 : CPLFree(pszItemName);
4178 : }
4179 :
4180 : /* --------------------------------------------------------------------
4181 : */
4182 : /* Remove TIFFTAG_xxxxxx that are already set but no longer in */
4183 : /* the metadata list (#5619) */
4184 : /* --------------------------------------------------------------------
4185 : */
4186 2281 : if (strlen(papszDomainList[iDomain]) == 0 && nBand == 0)
4187 : {
4188 2084 : const auto *pasTIFFTags = GTiffDataset::GetTIFFTags();
4189 31260 : for (size_t iTag = 0; pasTIFFTags[iTag].pszTagName; ++iTag)
4190 : {
4191 29176 : uint32_t nCount = 0;
4192 29176 : char *pszText = nullptr;
4193 29176 : int16_t nVal = 0;
4194 29176 : float fVal = 0.0f;
4195 : const char *pszVal =
4196 29176 : CSLFetchNameValue(papszMD, pasTIFFTags[iTag].pszTagName);
4197 58289 : if (pszVal == nullptr &&
4198 29113 : ((pasTIFFTags[iTag].eType == GTIFFTAGTYPE_STRING &&
4199 16639 : TIFFGetField(hTIFF, pasTIFFTags[iTag].nTagVal,
4200 29105 : &pszText)) ||
4201 29105 : (pasTIFFTags[iTag].eType == GTIFFTAGTYPE_SHORT &&
4202 6239 : TIFFGetField(hTIFF, pasTIFFTags[iTag].nTagVal, &nVal)) ||
4203 29102 : (pasTIFFTags[iTag].eType == GTIFFTAGTYPE_FLOAT &&
4204 4152 : TIFFGetField(hTIFF, pasTIFFTags[iTag].nTagVal, &fVal)) ||
4205 29101 : (pasTIFFTags[iTag].eType == GTIFFTAGTYPE_BYTE_STRING &&
4206 2083 : TIFFGetField(hTIFF, pasTIFFTags[iTag].nTagVal, &nCount,
4207 : &pszText))))
4208 : {
4209 13 : TIFFUnsetField(hTIFF, pasTIFFTags[iTag].nTagVal);
4210 : }
4211 : }
4212 : }
4213 : }
4214 310158 : }
4215 :
4216 : /************************************************************************/
4217 : /* WriteRPC() */
4218 : /************************************************************************/
4219 :
4220 9603 : void GTiffDataset::WriteRPC(GDALDataset *poSrcDS, TIFF *l_hTIFF,
4221 : int bSrcIsGeoTIFF, GTiffProfile eProfile,
4222 : const char *pszTIFFFilename,
4223 : CSLConstList papszCreationOptions,
4224 : bool bWriteOnlyInPAMIfNeeded)
4225 : {
4226 : /* -------------------------------------------------------------------- */
4227 : /* Handle RPC data written to TIFF RPCCoefficient tag, RPB file, */
4228 : /* RPCTEXT file or PAM. */
4229 : /* -------------------------------------------------------------------- */
4230 9603 : char **papszRPCMD = poSrcDS->GetMetadata(MD_DOMAIN_RPC);
4231 9603 : if (papszRPCMD != nullptr)
4232 : {
4233 32 : bool bRPCSerializedOtherWay = false;
4234 :
4235 32 : if (eProfile == GTiffProfile::GDALGEOTIFF)
4236 : {
4237 20 : if (!bWriteOnlyInPAMIfNeeded)
4238 11 : GTiffDatasetWriteRPCTag(l_hTIFF, papszRPCMD);
4239 20 : bRPCSerializedOtherWay = true;
4240 : }
4241 :
4242 : // Write RPB file if explicitly asked, or if a non GDAL specific
4243 : // profile is selected and RPCTXT is not asked.
4244 : bool bRPBExplicitlyAsked =
4245 32 : CPLFetchBool(papszCreationOptions, "RPB", false);
4246 : bool bRPBExplicitlyDenied =
4247 32 : !CPLFetchBool(papszCreationOptions, "RPB", true);
4248 44 : if ((eProfile != GTiffProfile::GDALGEOTIFF &&
4249 12 : !CPLFetchBool(papszCreationOptions, "RPCTXT", false) &&
4250 44 : !bRPBExplicitlyDenied) ||
4251 : bRPBExplicitlyAsked)
4252 : {
4253 8 : if (!bWriteOnlyInPAMIfNeeded)
4254 4 : GDALWriteRPBFile(pszTIFFFilename, papszRPCMD);
4255 8 : bRPCSerializedOtherWay = true;
4256 : }
4257 :
4258 32 : if (CPLFetchBool(papszCreationOptions, "RPCTXT", false))
4259 : {
4260 2 : if (!bWriteOnlyInPAMIfNeeded)
4261 1 : GDALWriteRPCTXTFile(pszTIFFFilename, papszRPCMD);
4262 2 : bRPCSerializedOtherWay = true;
4263 : }
4264 :
4265 32 : if (!bRPCSerializedOtherWay && bWriteOnlyInPAMIfNeeded && bSrcIsGeoTIFF)
4266 1 : cpl::down_cast<GTiffDataset *>(poSrcDS)
4267 1 : ->GDALPamDataset::SetMetadata(papszRPCMD, MD_DOMAIN_RPC);
4268 : }
4269 9603 : }
4270 :
4271 : /************************************************************************/
4272 : /* WriteMetadata() */
4273 : /************************************************************************/
4274 :
4275 7612 : bool GTiffDataset::WriteMetadata(GDALDataset *poSrcDS, TIFF *l_hTIFF,
4276 : bool bSrcIsGeoTIFF, GTiffProfile eProfile,
4277 : const char *pszTIFFFilename,
4278 : CSLConstList papszCreationOptions,
4279 : bool bExcludeRPBandIMGFileWriting)
4280 :
4281 : {
4282 : /* -------------------------------------------------------------------- */
4283 : /* Convert all the remaining metadata into a simple XML */
4284 : /* format. */
4285 : /* -------------------------------------------------------------------- */
4286 7612 : CPLXMLNode *psRoot = nullptr;
4287 7612 : CPLXMLNode *psTail = nullptr;
4288 :
4289 : const char *pszCopySrcMDD =
4290 7612 : CSLFetchNameValueDef(papszCreationOptions, "COPY_SRC_MDD", "AUTO");
4291 : char **papszSrcMDD =
4292 7612 : CSLFetchNameValueMultiple(papszCreationOptions, "SRC_MDD");
4293 :
4294 7612 : if (bSrcIsGeoTIFF)
4295 : {
4296 5599 : GTiffDataset *poSrcDSGTiff = cpl::down_cast<GTiffDataset *>(poSrcDS);
4297 5599 : assert(poSrcDSGTiff);
4298 5599 : WriteMDMetadata(&poSrcDSGTiff->m_oGTiffMDMD, l_hTIFF, &psRoot, &psTail,
4299 : 0, eProfile);
4300 : }
4301 : else
4302 : {
4303 2013 : if (EQUAL(pszCopySrcMDD, "AUTO") || CPLTestBool(pszCopySrcMDD) ||
4304 : papszSrcMDD)
4305 : {
4306 4020 : GDALMultiDomainMetadata l_oMDMD;
4307 2010 : CSLConstList papszMD = poSrcDS->GetMetadata();
4308 2014 : if (CSLCount(papszMD) > 0 &&
4309 4 : (!papszSrcMDD || CSLFindString(papszSrcMDD, "") >= 0 ||
4310 2 : CSLFindString(papszSrcMDD, "_DEFAULT_") >= 0))
4311 : {
4312 1543 : l_oMDMD.SetMetadata(papszMD);
4313 : }
4314 :
4315 2010 : if ((!EQUAL(pszCopySrcMDD, "AUTO") && CPLTestBool(pszCopySrcMDD)) ||
4316 : papszSrcMDD)
4317 : {
4318 9 : char **papszDomainList = poSrcDS->GetMetadataDomainList();
4319 39 : for (CSLConstList papszIter = papszDomainList;
4320 39 : papszIter && *papszIter; ++papszIter)
4321 : {
4322 30 : const char *pszDomain = *papszIter;
4323 46 : if (pszDomain[0] != 0 &&
4324 16 : (!papszSrcMDD ||
4325 16 : CSLFindString(papszSrcMDD, pszDomain) >= 0))
4326 : {
4327 12 : l_oMDMD.SetMetadata(poSrcDS->GetMetadata(pszDomain),
4328 : pszDomain);
4329 : }
4330 : }
4331 9 : CSLDestroy(papszDomainList);
4332 : }
4333 :
4334 2010 : WriteMDMetadata(&l_oMDMD, l_hTIFF, &psRoot, &psTail, 0, eProfile);
4335 : }
4336 : }
4337 :
4338 7612 : if (!bExcludeRPBandIMGFileWriting)
4339 : {
4340 7606 : WriteRPC(poSrcDS, l_hTIFF, bSrcIsGeoTIFF, eProfile, pszTIFFFilename,
4341 : papszCreationOptions);
4342 :
4343 : /* --------------------------------------------------------------------
4344 : */
4345 : /* Handle metadata data written to an IMD file. */
4346 : /* --------------------------------------------------------------------
4347 : */
4348 7606 : char **papszIMDMD = poSrcDS->GetMetadata(MD_DOMAIN_IMD);
4349 7606 : if (papszIMDMD != nullptr)
4350 : {
4351 20 : GDALWriteIMDFile(pszTIFFFilename, papszIMDMD);
4352 : }
4353 : }
4354 :
4355 7612 : uint16_t nPhotometric = 0;
4356 7612 : if (!TIFFGetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, &(nPhotometric)))
4357 1 : nPhotometric = PHOTOMETRIC_MINISBLACK;
4358 :
4359 7612 : const bool bStandardColorInterp = GTIFFIsStandardColorInterpretation(
4360 : GDALDataset::ToHandle(poSrcDS), nPhotometric, papszCreationOptions);
4361 :
4362 : /* -------------------------------------------------------------------- */
4363 : /* We also need to address band specific metadata, and special */
4364 : /* "role" metadata. */
4365 : /* -------------------------------------------------------------------- */
4366 314930 : for (int nBand = 1; nBand <= poSrcDS->GetRasterCount(); ++nBand)
4367 : {
4368 307318 : GDALRasterBand *poBand = poSrcDS->GetRasterBand(nBand);
4369 :
4370 307318 : if (bSrcIsGeoTIFF)
4371 : {
4372 : GTiffRasterBand *poSrcBandGTiff =
4373 302458 : cpl::down_cast<GTiffRasterBand *>(poBand);
4374 302458 : assert(poSrcBandGTiff);
4375 302458 : WriteMDMetadata(&poSrcBandGTiff->m_oGTiffMDMD, l_hTIFF, &psRoot,
4376 : &psTail, nBand, eProfile);
4377 : }
4378 : else
4379 : {
4380 9720 : GDALMultiDomainMetadata l_oMDMD;
4381 4860 : bool bOMDMDSet = false;
4382 :
4383 4860 : if (EQUAL(pszCopySrcMDD, "AUTO") && !papszSrcMDD)
4384 : {
4385 14544 : for (const char *pszDomain : {"", "IMAGERY"})
4386 : {
4387 9696 : if (CSLConstList papszMD = poBand->GetMetadata(pszDomain))
4388 : {
4389 89 : if (papszMD[0])
4390 : {
4391 89 : bOMDMDSet = true;
4392 89 : l_oMDMD.SetMetadata(papszMD, pszDomain);
4393 : }
4394 : }
4395 4848 : }
4396 : }
4397 12 : else if (CPLTestBool(pszCopySrcMDD) || papszSrcMDD)
4398 : {
4399 9 : char **papszDomainList = poBand->GetMetadataDomainList();
4400 3 : for (const char *pszDomain :
4401 15 : cpl::Iterate(CSLConstList(papszDomainList)))
4402 : {
4403 9 : if (pszDomain[0] != 0 &&
4404 5 : !EQUAL(pszDomain, "IMAGE_STRUCTURE") &&
4405 2 : (!papszSrcMDD ||
4406 2 : CSLFindString(papszSrcMDD, pszDomain) >= 0))
4407 : {
4408 2 : bOMDMDSet = true;
4409 2 : l_oMDMD.SetMetadata(poBand->GetMetadata(pszDomain),
4410 : pszDomain);
4411 : }
4412 : }
4413 9 : CSLDestroy(papszDomainList);
4414 : }
4415 :
4416 4860 : if (bOMDMDSet)
4417 : {
4418 91 : WriteMDMetadata(&l_oMDMD, l_hTIFF, &psRoot, &psTail, nBand,
4419 : eProfile);
4420 : }
4421 : }
4422 :
4423 307318 : const double dfOffset = poBand->GetOffset();
4424 307318 : const double dfScale = poBand->GetScale();
4425 307318 : bool bGeoTIFFScaleOffsetInZ = false;
4426 307318 : GDALGeoTransform gt;
4427 : // Check if we have already encoded scale/offset in the GeoTIFF tags
4428 313047 : if (poSrcDS->GetGeoTransform(gt) == CE_None && gt[2] == 0.0 &&
4429 5717 : gt[4] == 0.0 && gt[5] < 0.0 && poSrcDS->GetSpatialRef() &&
4430 313054 : poSrcDS->GetSpatialRef()->IsVertical() &&
4431 7 : poSrcDS->GetRasterCount() == 1)
4432 : {
4433 7 : bGeoTIFFScaleOffsetInZ = true;
4434 : }
4435 :
4436 307318 : if ((dfOffset != 0.0 || dfScale != 1.0) && !bGeoTIFFScaleOffsetInZ)
4437 : {
4438 25 : char szValue[128] = {};
4439 :
4440 25 : CPLsnprintf(szValue, sizeof(szValue), "%.17g", dfOffset);
4441 25 : AppendMetadataItem(&psRoot, &psTail, "OFFSET", szValue, nBand,
4442 : "offset", "");
4443 25 : CPLsnprintf(szValue, sizeof(szValue), "%.17g", dfScale);
4444 25 : AppendMetadataItem(&psRoot, &psTail, "SCALE", szValue, nBand,
4445 : "scale", "");
4446 : }
4447 :
4448 307318 : const char *pszUnitType = poBand->GetUnitType();
4449 307318 : if (pszUnitType != nullptr && pszUnitType[0] != '\0')
4450 : {
4451 37 : bool bWriteUnit = true;
4452 37 : auto poSRS = poSrcDS->GetSpatialRef();
4453 37 : if (poSRS && poSRS->IsCompound())
4454 : {
4455 2 : const char *pszVertUnit = nullptr;
4456 2 : poSRS->GetTargetLinearUnits("COMPD_CS|VERT_CS", &pszVertUnit);
4457 2 : if (pszVertUnit && EQUAL(pszVertUnit, pszUnitType))
4458 : {
4459 2 : bWriteUnit = false;
4460 : }
4461 : }
4462 37 : if (bWriteUnit)
4463 : {
4464 35 : AppendMetadataItem(&psRoot, &psTail, "UNITTYPE", pszUnitType,
4465 : nBand, "unittype", "");
4466 : }
4467 : }
4468 :
4469 307318 : if (strlen(poBand->GetDescription()) > 0)
4470 : {
4471 15 : AppendMetadataItem(&psRoot, &psTail, "DESCRIPTION",
4472 15 : poBand->GetDescription(), nBand, "description",
4473 : "");
4474 : }
4475 :
4476 307529 : if (!bStandardColorInterp &&
4477 211 : !(nBand <= 3 && EQUAL(CSLFetchNameValueDef(papszCreationOptions,
4478 : "PHOTOMETRIC", ""),
4479 : "RGB")))
4480 : {
4481 243 : AppendMetadataItem(&psRoot, &psTail, "COLORINTERP",
4482 : GDALGetColorInterpretationName(
4483 243 : poBand->GetColorInterpretation()),
4484 : nBand, "colorinterp", "");
4485 : }
4486 : }
4487 :
4488 7612 : CSLDestroy(papszSrcMDD);
4489 :
4490 : const char *pszTilingSchemeName =
4491 7612 : CSLFetchNameValue(papszCreationOptions, "@TILING_SCHEME_NAME");
4492 7612 : if (pszTilingSchemeName)
4493 : {
4494 23 : AppendMetadataItem(&psRoot, &psTail, "NAME", pszTilingSchemeName, 0,
4495 : nullptr, "TILING_SCHEME");
4496 :
4497 23 : const char *pszZoomLevel = CSLFetchNameValue(
4498 : papszCreationOptions, "@TILING_SCHEME_ZOOM_LEVEL");
4499 23 : if (pszZoomLevel)
4500 : {
4501 23 : AppendMetadataItem(&psRoot, &psTail, "ZOOM_LEVEL", pszZoomLevel, 0,
4502 : nullptr, "TILING_SCHEME");
4503 : }
4504 :
4505 23 : const char *pszAlignedLevels = CSLFetchNameValue(
4506 : papszCreationOptions, "@TILING_SCHEME_ALIGNED_LEVELS");
4507 23 : if (pszAlignedLevels)
4508 : {
4509 4 : AppendMetadataItem(&psRoot, &psTail, "ALIGNED_LEVELS",
4510 : pszAlignedLevels, 0, nullptr, "TILING_SCHEME");
4511 : }
4512 : }
4513 :
4514 : /* -------------------------------------------------------------------- */
4515 : /* Write information about some codecs. */
4516 : /* -------------------------------------------------------------------- */
4517 7612 : if (CPLTestBool(
4518 : CPLGetConfigOption("GTIFF_WRITE_IMAGE_STRUCTURE_METADATA", "YES")))
4519 : {
4520 : const char *pszTileInterleave =
4521 7607 : CSLFetchNameValue(papszCreationOptions, "@TILE_INTERLEAVE");
4522 7607 : if (pszTileInterleave && CPLTestBool(pszTileInterleave))
4523 : {
4524 7 : AppendMetadataItem(&psRoot, &psTail, "INTERLEAVE", "TILE", 0,
4525 : nullptr, "IMAGE_STRUCTURE");
4526 : }
4527 :
4528 : const char *pszCompress =
4529 7607 : CSLFetchNameValue(papszCreationOptions, "COMPRESS");
4530 7607 : if (pszCompress && EQUAL(pszCompress, "WEBP"))
4531 : {
4532 31 : if (GTiffGetWebPLossless(papszCreationOptions))
4533 : {
4534 6 : AppendMetadataItem(&psRoot, &psTail,
4535 : "COMPRESSION_REVERSIBILITY", "LOSSLESS", 0,
4536 : nullptr, "IMAGE_STRUCTURE");
4537 : }
4538 : else
4539 : {
4540 25 : AppendMetadataItem(
4541 : &psRoot, &psTail, "WEBP_LEVEL",
4542 25 : CPLSPrintf("%d", GTiffGetWebPLevel(papszCreationOptions)),
4543 : 0, nullptr, "IMAGE_STRUCTURE");
4544 : }
4545 : }
4546 7576 : else if (pszCompress && STARTS_WITH_CI(pszCompress, "LERC"))
4547 : {
4548 : const double dfMaxZError =
4549 97 : GTiffGetLERCMaxZError(papszCreationOptions);
4550 : const double dfMaxZErrorOverview =
4551 97 : GTiffGetLERCMaxZErrorOverview(papszCreationOptions);
4552 97 : if (dfMaxZError == 0.0 && dfMaxZErrorOverview == 0.0)
4553 : {
4554 83 : AppendMetadataItem(&psRoot, &psTail,
4555 : "COMPRESSION_REVERSIBILITY", "LOSSLESS", 0,
4556 : nullptr, "IMAGE_STRUCTURE");
4557 : }
4558 : else
4559 : {
4560 14 : AppendMetadataItem(&psRoot, &psTail, "MAX_Z_ERROR",
4561 : CSLFetchNameValueDef(papszCreationOptions,
4562 : "MAX_Z_ERROR", ""),
4563 : 0, nullptr, "IMAGE_STRUCTURE");
4564 14 : if (dfMaxZError != dfMaxZErrorOverview)
4565 : {
4566 3 : AppendMetadataItem(
4567 : &psRoot, &psTail, "MAX_Z_ERROR_OVERVIEW",
4568 : CSLFetchNameValueDef(papszCreationOptions,
4569 : "MAX_Z_ERROR_OVERVIEW", ""),
4570 : 0, nullptr, "IMAGE_STRUCTURE");
4571 : }
4572 97 : }
4573 : }
4574 : #if HAVE_JXL
4575 7479 : else if (pszCompress && EQUAL(pszCompress, "JXL"))
4576 : {
4577 98 : float fDistance = 0.0f;
4578 98 : if (GTiffGetJXLLossless(papszCreationOptions))
4579 : {
4580 80 : AppendMetadataItem(&psRoot, &psTail,
4581 : "COMPRESSION_REVERSIBILITY", "LOSSLESS", 0,
4582 : nullptr, "IMAGE_STRUCTURE");
4583 : }
4584 : else
4585 : {
4586 18 : fDistance = GTiffGetJXLDistance(papszCreationOptions);
4587 18 : AppendMetadataItem(&psRoot, &psTail, "JXL_DISTANCE",
4588 : CPLSPrintf("%f", fDistance), 0, nullptr,
4589 : "IMAGE_STRUCTURE");
4590 : }
4591 : const float fAlphaDistance =
4592 98 : GTiffGetJXLAlphaDistance(papszCreationOptions);
4593 98 : if (fAlphaDistance >= 0.0f && fAlphaDistance != fDistance)
4594 : {
4595 2 : AppendMetadataItem(&psRoot, &psTail, "JXL_ALPHA_DISTANCE",
4596 : CPLSPrintf("%f", fAlphaDistance), 0, nullptr,
4597 : "IMAGE_STRUCTURE");
4598 : }
4599 98 : AppendMetadataItem(
4600 : &psRoot, &psTail, "JXL_EFFORT",
4601 : CPLSPrintf("%d", GTiffGetJXLEffort(papszCreationOptions)), 0,
4602 : nullptr, "IMAGE_STRUCTURE");
4603 : }
4604 : #endif
4605 : }
4606 :
4607 : /* -------------------------------------------------------------------- */
4608 : /* Write out the generic XML metadata if there is any. */
4609 : /* -------------------------------------------------------------------- */
4610 7612 : if (psRoot != nullptr)
4611 : {
4612 615 : bool bRet = true;
4613 :
4614 615 : if (eProfile == GTiffProfile::GDALGEOTIFF)
4615 : {
4616 598 : char *pszXML_MD = CPLSerializeXMLTree(psRoot);
4617 598 : TIFFSetField(l_hTIFF, TIFFTAG_GDAL_METADATA, pszXML_MD);
4618 598 : CPLFree(pszXML_MD);
4619 : }
4620 : else
4621 : {
4622 17 : if (bSrcIsGeoTIFF)
4623 11 : cpl::down_cast<GTiffDataset *>(poSrcDS)->PushMetadataToPam();
4624 : else
4625 6 : bRet = false;
4626 : }
4627 :
4628 615 : CPLDestroyXMLNode(psRoot);
4629 :
4630 615 : return bRet;
4631 : }
4632 :
4633 : // If we have no more metadata but it existed before,
4634 : // remove the GDAL_METADATA tag.
4635 6997 : if (eProfile == GTiffProfile::GDALGEOTIFF)
4636 : {
4637 6973 : char *pszText = nullptr;
4638 6973 : if (TIFFGetField(l_hTIFF, TIFFTAG_GDAL_METADATA, &pszText))
4639 : {
4640 6 : TIFFUnsetField(l_hTIFF, TIFFTAG_GDAL_METADATA);
4641 : }
4642 : }
4643 :
4644 6997 : return true;
4645 : }
4646 :
4647 : /************************************************************************/
4648 : /* PushMetadataToPam() */
4649 : /* */
4650 : /* When producing a strict profile TIFF or if our aggregate */
4651 : /* metadata is too big for a single tiff tag we may end up */
4652 : /* needing to write it via the PAM mechanisms. This method */
4653 : /* copies all the appropriate metadata into the PAM level */
4654 : /* metadata object but with special care to avoid copying */
4655 : /* metadata handled in other ways in TIFF format. */
4656 : /************************************************************************/
4657 :
4658 20 : void GTiffDataset::PushMetadataToPam()
4659 :
4660 : {
4661 20 : if (GetPamFlags() & GPF_DISABLED)
4662 0 : return;
4663 :
4664 20 : const bool bStandardColorInterp = GTIFFIsStandardColorInterpretation(
4665 20 : GDALDataset::ToHandle(this), m_nPhotometric, m_papszCreationOptions);
4666 :
4667 66 : for (int nBand = 0; nBand <= GetRasterCount(); ++nBand)
4668 : {
4669 46 : GDALMultiDomainMetadata *poSrcMDMD = nullptr;
4670 46 : GTiffRasterBand *poBand = nullptr;
4671 :
4672 46 : if (nBand == 0)
4673 : {
4674 20 : poSrcMDMD = &(this->m_oGTiffMDMD);
4675 : }
4676 : else
4677 : {
4678 26 : poBand = cpl::down_cast<GTiffRasterBand *>(GetRasterBand(nBand));
4679 26 : poSrcMDMD = &(poBand->m_oGTiffMDMD);
4680 : }
4681 :
4682 : /* --------------------------------------------------------------------
4683 : */
4684 : /* Loop over the available domains. */
4685 : /* --------------------------------------------------------------------
4686 : */
4687 46 : CSLConstList papszDomainList = poSrcMDMD->GetDomainList();
4688 96 : for (int iDomain = 0; papszDomainList && papszDomainList[iDomain];
4689 : ++iDomain)
4690 : {
4691 50 : char **papszMD = poSrcMDMD->GetMetadata(papszDomainList[iDomain]);
4692 :
4693 50 : if (EQUAL(papszDomainList[iDomain], MD_DOMAIN_RPC) ||
4694 50 : EQUAL(papszDomainList[iDomain], MD_DOMAIN_IMD) ||
4695 50 : EQUAL(papszDomainList[iDomain], "_temporary_") ||
4696 50 : EQUAL(papszDomainList[iDomain], "IMAGE_STRUCTURE") ||
4697 30 : EQUAL(papszDomainList[iDomain], "COLOR_PROFILE"))
4698 20 : continue;
4699 :
4700 30 : papszMD = CSLDuplicate(papszMD);
4701 :
4702 105 : for (int i = CSLCount(papszMD) - 1; i >= 0; --i)
4703 : {
4704 75 : if (STARTS_WITH_CI(papszMD[i], "TIFFTAG_") ||
4705 75 : EQUALN(papszMD[i], GDALMD_AREA_OR_POINT,
4706 : strlen(GDALMD_AREA_OR_POINT)))
4707 4 : papszMD = CSLRemoveStrings(papszMD, i, 1, nullptr);
4708 : }
4709 :
4710 30 : if (nBand == 0)
4711 16 : GDALPamDataset::SetMetadata(papszMD, papszDomainList[iDomain]);
4712 : else
4713 14 : poBand->GDALPamRasterBand::SetMetadata(
4714 14 : papszMD, papszDomainList[iDomain]);
4715 :
4716 30 : CSLDestroy(papszMD);
4717 : }
4718 :
4719 : /* --------------------------------------------------------------------
4720 : */
4721 : /* Handle some "special domain" stuff. */
4722 : /* --------------------------------------------------------------------
4723 : */
4724 46 : if (poBand != nullptr)
4725 : {
4726 26 : poBand->GDALPamRasterBand::SetOffset(poBand->GetOffset());
4727 26 : poBand->GDALPamRasterBand::SetScale(poBand->GetScale());
4728 26 : poBand->GDALPamRasterBand::SetUnitType(poBand->GetUnitType());
4729 26 : poBand->GDALPamRasterBand::SetDescription(poBand->GetDescription());
4730 26 : if (!bStandardColorInterp)
4731 : {
4732 3 : poBand->GDALPamRasterBand::SetColorInterpretation(
4733 3 : poBand->GetColorInterpretation());
4734 : }
4735 : }
4736 : }
4737 20 : MarkPamDirty();
4738 : }
4739 :
4740 : /************************************************************************/
4741 : /* WriteNoDataValue() */
4742 : /************************************************************************/
4743 :
4744 459 : void GTiffDataset::WriteNoDataValue(TIFF *hTIFF, double dfNoData)
4745 :
4746 : {
4747 918 : CPLString osVal(GTiffFormatGDALNoDataTagValue(dfNoData));
4748 459 : TIFFSetField(hTIFF, TIFFTAG_GDAL_NODATA, osVal.c_str());
4749 459 : }
4750 :
4751 2 : void GTiffDataset::WriteNoDataValue(TIFF *hTIFF, int64_t nNoData)
4752 :
4753 : {
4754 2 : TIFFSetField(hTIFF, TIFFTAG_GDAL_NODATA,
4755 : CPLSPrintf(CPL_FRMT_GIB, static_cast<GIntBig>(nNoData)));
4756 2 : }
4757 :
4758 2 : void GTiffDataset::WriteNoDataValue(TIFF *hTIFF, uint64_t nNoData)
4759 :
4760 : {
4761 2 : TIFFSetField(hTIFF, TIFFTAG_GDAL_NODATA,
4762 : CPLSPrintf(CPL_FRMT_GUIB, static_cast<GUIntBig>(nNoData)));
4763 2 : }
4764 :
4765 : /************************************************************************/
4766 : /* UnsetNoDataValue() */
4767 : /************************************************************************/
4768 :
4769 14 : void GTiffDataset::UnsetNoDataValue(TIFF *l_hTIFF)
4770 :
4771 : {
4772 14 : TIFFUnsetField(l_hTIFF, TIFFTAG_GDAL_NODATA);
4773 14 : }
4774 :
4775 : /************************************************************************/
4776 : /* SaveICCProfile() */
4777 : /* */
4778 : /* Save ICC Profile or colorimetric data into file */
4779 : /* pDS: */
4780 : /* Dataset that contains the metadata with the ICC or colorimetric */
4781 : /* data. If this argument is specified, all other arguments are */
4782 : /* ignored. Set them to NULL or 0. */
4783 : /* hTIFF: */
4784 : /* Pointer to TIFF handle. Only needed if pDS is NULL or */
4785 : /* pDS->m_hTIFF is NULL. */
4786 : /* papszParamList: */
4787 : /* Options containing the ICC profile or colorimetric metadata. */
4788 : /* Ignored if pDS is not NULL. */
4789 : /* nBitsPerSample: */
4790 : /* Bits per sample. Ignored if pDS is not NULL. */
4791 : /************************************************************************/
4792 :
4793 9424 : void GTiffDataset::SaveICCProfile(GTiffDataset *pDS, TIFF *l_hTIFF,
4794 : char **papszParamList,
4795 : uint32_t l_nBitsPerSample)
4796 : {
4797 9424 : if ((pDS != nullptr) && (pDS->eAccess != GA_Update))
4798 0 : return;
4799 :
4800 9424 : if (l_hTIFF == nullptr)
4801 : {
4802 2 : if (pDS == nullptr)
4803 0 : return;
4804 :
4805 2 : l_hTIFF = pDS->m_hTIFF;
4806 2 : if (l_hTIFF == nullptr)
4807 0 : return;
4808 : }
4809 :
4810 9424 : if ((papszParamList == nullptr) && (pDS == nullptr))
4811 4648 : return;
4812 :
4813 : const char *pszICCProfile =
4814 : (pDS != nullptr)
4815 4776 : ? pDS->GetMetadataItem("SOURCE_ICC_PROFILE", "COLOR_PROFILE")
4816 4774 : : CSLFetchNameValue(papszParamList, "SOURCE_ICC_PROFILE");
4817 4776 : if (pszICCProfile != nullptr)
4818 : {
4819 8 : char *pEmbedBuffer = CPLStrdup(pszICCProfile);
4820 : int32_t nEmbedLen =
4821 8 : CPLBase64DecodeInPlace(reinterpret_cast<GByte *>(pEmbedBuffer));
4822 :
4823 8 : TIFFSetField(l_hTIFF, TIFFTAG_ICCPROFILE, nEmbedLen, pEmbedBuffer);
4824 :
4825 8 : CPLFree(pEmbedBuffer);
4826 : }
4827 : else
4828 : {
4829 : // Output colorimetric data.
4830 4768 : float pCHR[6] = {}; // Primaries.
4831 4768 : uint16_t pTXR[6] = {}; // Transfer range.
4832 4768 : const char *pszCHRNames[] = {"SOURCE_PRIMARIES_RED",
4833 : "SOURCE_PRIMARIES_GREEN",
4834 : "SOURCE_PRIMARIES_BLUE"};
4835 4768 : const char *pszTXRNames[] = {"TIFFTAG_TRANSFERRANGE_BLACK",
4836 : "TIFFTAG_TRANSFERRANGE_WHITE"};
4837 :
4838 : // Output chromacities.
4839 4768 : bool bOutputCHR = true;
4840 4783 : for (int i = 0; i < 3 && bOutputCHR; ++i)
4841 : {
4842 : const char *pszColorProfile =
4843 : (pDS != nullptr)
4844 4778 : ? pDS->GetMetadataItem(pszCHRNames[i], "COLOR_PROFILE")
4845 4775 : : CSLFetchNameValue(papszParamList, pszCHRNames[i]);
4846 4778 : if (pszColorProfile == nullptr)
4847 : {
4848 4763 : bOutputCHR = false;
4849 4763 : break;
4850 : }
4851 :
4852 : const CPLStringList aosTokens(CSLTokenizeString2(
4853 : pszColorProfile, ",",
4854 : CSLT_ALLOWEMPTYTOKENS | CSLT_STRIPLEADSPACES |
4855 15 : CSLT_STRIPENDSPACES));
4856 :
4857 15 : if (aosTokens.size() != 3)
4858 : {
4859 0 : bOutputCHR = false;
4860 0 : break;
4861 : }
4862 :
4863 60 : for (int j = 0; j < 3; ++j)
4864 : {
4865 45 : float v = static_cast<float>(CPLAtof(aosTokens[j]));
4866 :
4867 45 : if (j == 2)
4868 : {
4869 : // Last term of xyY color must be 1.0.
4870 15 : if (v != 1.0)
4871 : {
4872 0 : bOutputCHR = false;
4873 0 : break;
4874 : }
4875 : }
4876 : else
4877 : {
4878 30 : pCHR[i * 2 + j] = v;
4879 : }
4880 : }
4881 : }
4882 :
4883 4768 : if (bOutputCHR)
4884 : {
4885 5 : TIFFSetField(l_hTIFF, TIFFTAG_PRIMARYCHROMATICITIES, pCHR);
4886 : }
4887 :
4888 : // Output whitepoint.
4889 : const char *pszSourceWhitePoint =
4890 : (pDS != nullptr)
4891 4768 : ? pDS->GetMetadataItem("SOURCE_WHITEPOINT", "COLOR_PROFILE")
4892 4767 : : CSLFetchNameValue(papszParamList, "SOURCE_WHITEPOINT");
4893 4768 : if (pszSourceWhitePoint != nullptr)
4894 : {
4895 : const CPLStringList aosTokens(CSLTokenizeString2(
4896 : pszSourceWhitePoint, ",",
4897 : CSLT_ALLOWEMPTYTOKENS | CSLT_STRIPLEADSPACES |
4898 10 : CSLT_STRIPENDSPACES));
4899 :
4900 5 : bool bOutputWhitepoint = true;
4901 5 : float pWP[2] = {0.0f, 0.0f}; // Whitepoint
4902 5 : if (aosTokens.size() != 3)
4903 : {
4904 0 : bOutputWhitepoint = false;
4905 : }
4906 : else
4907 : {
4908 20 : for (int j = 0; j < 3; ++j)
4909 : {
4910 15 : const float v = static_cast<float>(CPLAtof(aosTokens[j]));
4911 :
4912 15 : if (j == 2)
4913 : {
4914 : // Last term of xyY color must be 1.0.
4915 5 : if (v != 1.0)
4916 : {
4917 0 : bOutputWhitepoint = false;
4918 0 : break;
4919 : }
4920 : }
4921 : else
4922 : {
4923 10 : pWP[j] = v;
4924 : }
4925 : }
4926 : }
4927 :
4928 5 : if (bOutputWhitepoint)
4929 : {
4930 5 : TIFFSetField(l_hTIFF, TIFFTAG_WHITEPOINT, pWP);
4931 : }
4932 : }
4933 :
4934 : // Set transfer function metadata.
4935 : char const *pszTFRed =
4936 : (pDS != nullptr)
4937 4768 : ? pDS->GetMetadataItem("TIFFTAG_TRANSFERFUNCTION_RED",
4938 : "COLOR_PROFILE")
4939 4767 : : CSLFetchNameValue(papszParamList,
4940 4768 : "TIFFTAG_TRANSFERFUNCTION_RED");
4941 :
4942 : char const *pszTFGreen =
4943 : (pDS != nullptr)
4944 4768 : ? pDS->GetMetadataItem("TIFFTAG_TRANSFERFUNCTION_GREEN",
4945 : "COLOR_PROFILE")
4946 4767 : : CSLFetchNameValue(papszParamList,
4947 4768 : "TIFFTAG_TRANSFERFUNCTION_GREEN");
4948 :
4949 : char const *pszTFBlue =
4950 : (pDS != nullptr)
4951 4768 : ? pDS->GetMetadataItem("TIFFTAG_TRANSFERFUNCTION_BLUE",
4952 : "COLOR_PROFILE")
4953 4767 : : CSLFetchNameValue(papszParamList,
4954 4768 : "TIFFTAG_TRANSFERFUNCTION_BLUE");
4955 :
4956 4768 : if ((pszTFRed != nullptr) && (pszTFGreen != nullptr) &&
4957 : (pszTFBlue != nullptr))
4958 : {
4959 : // Get length of table.
4960 4 : const int nTransferFunctionLength =
4961 4 : 1 << ((pDS != nullptr) ? pDS->m_nBitsPerSample
4962 : : l_nBitsPerSample);
4963 :
4964 : const CPLStringList aosTokensRed(CSLTokenizeString2(
4965 : pszTFRed, ",",
4966 : CSLT_ALLOWEMPTYTOKENS | CSLT_STRIPLEADSPACES |
4967 8 : CSLT_STRIPENDSPACES));
4968 : const CPLStringList aosTokensGreen(CSLTokenizeString2(
4969 : pszTFGreen, ",",
4970 : CSLT_ALLOWEMPTYTOKENS | CSLT_STRIPLEADSPACES |
4971 8 : CSLT_STRIPENDSPACES));
4972 : const CPLStringList aosTokensBlue(CSLTokenizeString2(
4973 : pszTFBlue, ",",
4974 : CSLT_ALLOWEMPTYTOKENS | CSLT_STRIPLEADSPACES |
4975 8 : CSLT_STRIPENDSPACES));
4976 :
4977 4 : if ((aosTokensRed.size() == nTransferFunctionLength) &&
4978 8 : (aosTokensGreen.size() == nTransferFunctionLength) &&
4979 4 : (aosTokensBlue.size() == nTransferFunctionLength))
4980 : {
4981 : std::vector<uint16_t> anTransferFuncRed(
4982 8 : nTransferFunctionLength);
4983 : std::vector<uint16_t> anTransferFuncGreen(
4984 8 : nTransferFunctionLength);
4985 : std::vector<uint16_t> anTransferFuncBlue(
4986 8 : nTransferFunctionLength);
4987 :
4988 : // Convert our table in string format into int16_t format.
4989 1028 : for (int i = 0; i < nTransferFunctionLength; ++i)
4990 : {
4991 2048 : anTransferFuncRed[i] =
4992 1024 : static_cast<uint16_t>(atoi(aosTokensRed[i]));
4993 2048 : anTransferFuncGreen[i] =
4994 1024 : static_cast<uint16_t>(atoi(aosTokensGreen[i]));
4995 1024 : anTransferFuncBlue[i] =
4996 1024 : static_cast<uint16_t>(atoi(aosTokensBlue[i]));
4997 : }
4998 :
4999 4 : TIFFSetField(
5000 : l_hTIFF, TIFFTAG_TRANSFERFUNCTION, anTransferFuncRed.data(),
5001 : anTransferFuncGreen.data(), anTransferFuncBlue.data());
5002 : }
5003 : }
5004 :
5005 : // Output transfer range.
5006 4768 : bool bOutputTransferRange = true;
5007 4768 : for (int i = 0; (i < 2) && bOutputTransferRange; ++i)
5008 : {
5009 : const char *pszTXRVal =
5010 : (pDS != nullptr)
5011 4768 : ? pDS->GetMetadataItem(pszTXRNames[i], "COLOR_PROFILE")
5012 4767 : : CSLFetchNameValue(papszParamList, pszTXRNames[i]);
5013 4768 : if (pszTXRVal == nullptr)
5014 : {
5015 4768 : bOutputTransferRange = false;
5016 4768 : break;
5017 : }
5018 :
5019 : const CPLStringList aosTokens(CSLTokenizeString2(
5020 : pszTXRVal, ",",
5021 : CSLT_ALLOWEMPTYTOKENS | CSLT_STRIPLEADSPACES |
5022 0 : CSLT_STRIPENDSPACES));
5023 :
5024 0 : if (aosTokens.size() != 3)
5025 : {
5026 0 : bOutputTransferRange = false;
5027 0 : break;
5028 : }
5029 :
5030 0 : for (int j = 0; j < 3; ++j)
5031 : {
5032 0 : pTXR[i + j * 2] = static_cast<uint16_t>(atoi(aosTokens[j]));
5033 : }
5034 : }
5035 :
5036 4768 : if (bOutputTransferRange)
5037 : {
5038 0 : const int TIFFTAG_TRANSFERRANGE = 0x0156;
5039 0 : TIFFSetField(l_hTIFF, TIFFTAG_TRANSFERRANGE, pTXR);
5040 : }
5041 : }
5042 : }
5043 :
5044 16939 : static signed char GTiffGetLZMAPreset(char **papszOptions)
5045 : {
5046 16939 : int nLZMAPreset = -1;
5047 16939 : const char *pszValue = CSLFetchNameValue(papszOptions, "LZMA_PRESET");
5048 16939 : if (pszValue != nullptr)
5049 : {
5050 20 : nLZMAPreset = atoi(pszValue);
5051 20 : if (!(nLZMAPreset >= 0 && nLZMAPreset <= 9))
5052 : {
5053 0 : CPLError(CE_Warning, CPLE_IllegalArg,
5054 : "LZMA_PRESET=%s value not recognised, ignoring.",
5055 : pszValue);
5056 0 : nLZMAPreset = -1;
5057 : }
5058 : }
5059 16939 : return static_cast<signed char>(nLZMAPreset);
5060 : }
5061 :
5062 16939 : static signed char GTiffGetZSTDPreset(char **papszOptions)
5063 : {
5064 16939 : int nZSTDLevel = -1;
5065 16939 : const char *pszValue = CSLFetchNameValue(papszOptions, "ZSTD_LEVEL");
5066 16939 : if (pszValue != nullptr)
5067 : {
5068 24 : nZSTDLevel = atoi(pszValue);
5069 24 : if (!(nZSTDLevel >= 1 && nZSTDLevel <= 22))
5070 : {
5071 0 : CPLError(CE_Warning, CPLE_IllegalArg,
5072 : "ZSTD_LEVEL=%s value not recognised, ignoring.", pszValue);
5073 0 : nZSTDLevel = -1;
5074 : }
5075 : }
5076 16939 : return static_cast<signed char>(nZSTDLevel);
5077 : }
5078 :
5079 16939 : static signed char GTiffGetZLevel(char **papszOptions)
5080 : {
5081 16939 : int nZLevel = -1;
5082 16939 : const char *pszValue = CSLFetchNameValue(papszOptions, "ZLEVEL");
5083 16939 : if (pszValue != nullptr)
5084 : {
5085 44 : nZLevel = atoi(pszValue);
5086 : #ifdef TIFFTAG_DEFLATE_SUBCODEC
5087 44 : constexpr int nMaxLevel = 12;
5088 : #ifndef LIBDEFLATE_SUPPORT
5089 : if (nZLevel > 9 && nZLevel <= nMaxLevel)
5090 : {
5091 : CPLDebug("GTiff",
5092 : "ZLEVEL=%d not supported in a non-libdeflate enabled "
5093 : "libtiff build. Capping to 9",
5094 : nZLevel);
5095 : nZLevel = 9;
5096 : }
5097 : #endif
5098 : #else
5099 : constexpr int nMaxLevel = 9;
5100 : #endif
5101 44 : if (nZLevel < 1 || nZLevel > nMaxLevel)
5102 : {
5103 0 : CPLError(CE_Warning, CPLE_IllegalArg,
5104 : "ZLEVEL=%s value not recognised, ignoring.", pszValue);
5105 0 : nZLevel = -1;
5106 : }
5107 : }
5108 16939 : return static_cast<signed char>(nZLevel);
5109 : }
5110 :
5111 16939 : static signed char GTiffGetJpegQuality(char **papszOptions)
5112 : {
5113 16939 : int nJpegQuality = -1;
5114 16939 : const char *pszValue = CSLFetchNameValue(papszOptions, "JPEG_QUALITY");
5115 16939 : if (pszValue != nullptr)
5116 : {
5117 1939 : nJpegQuality = atoi(pszValue);
5118 1939 : if (nJpegQuality < 1 || nJpegQuality > 100)
5119 : {
5120 0 : CPLError(CE_Warning, CPLE_IllegalArg,
5121 : "JPEG_QUALITY=%s value not recognised, ignoring.",
5122 : pszValue);
5123 0 : nJpegQuality = -1;
5124 : }
5125 : }
5126 16939 : return static_cast<signed char>(nJpegQuality);
5127 : }
5128 :
5129 16939 : static signed char GTiffGetJpegTablesMode(char **papszOptions)
5130 : {
5131 16939 : return static_cast<signed char>(atoi(
5132 : CSLFetchNameValueDef(papszOptions, "JPEGTABLESMODE",
5133 16939 : CPLSPrintf("%d", knGTIFFJpegTablesModeDefault))));
5134 : }
5135 :
5136 : /************************************************************************/
5137 : /* GetDiscardLsbOption() */
5138 : /************************************************************************/
5139 :
5140 7456 : static GTiffDataset::MaskOffset *GetDiscardLsbOption(TIFF *hTIFF,
5141 : char **papszOptions)
5142 : {
5143 7456 : const char *pszBits = CSLFetchNameValue(papszOptions, "DISCARD_LSB");
5144 7455 : if (pszBits == nullptr)
5145 7333 : return nullptr;
5146 :
5147 122 : uint16_t nPhotometric = 0;
5148 122 : TIFFGetFieldDefaulted(hTIFF, TIFFTAG_PHOTOMETRIC, &nPhotometric);
5149 :
5150 122 : uint16_t nBitsPerSample = 0;
5151 122 : if (!TIFFGetField(hTIFF, TIFFTAG_BITSPERSAMPLE, &nBitsPerSample))
5152 0 : nBitsPerSample = 1;
5153 :
5154 122 : uint16_t nSamplesPerPixel = 0;
5155 122 : if (!TIFFGetField(hTIFF, TIFFTAG_SAMPLESPERPIXEL, &nSamplesPerPixel))
5156 0 : nSamplesPerPixel = 1;
5157 :
5158 122 : uint16_t nSampleFormat = 0;
5159 122 : if (!TIFFGetField(hTIFF, TIFFTAG_SAMPLEFORMAT, &nSampleFormat))
5160 0 : nSampleFormat = SAMPLEFORMAT_UINT;
5161 :
5162 122 : if (nPhotometric == PHOTOMETRIC_PALETTE)
5163 : {
5164 1 : CPLError(CE_Warning, CPLE_AppDefined,
5165 : "DISCARD_LSB ignored on a paletted image");
5166 1 : return nullptr;
5167 : }
5168 121 : if (!(nBitsPerSample == 8 || nBitsPerSample == 16 || nBitsPerSample == 32 ||
5169 13 : nBitsPerSample == 64))
5170 : {
5171 1 : CPLError(CE_Warning, CPLE_AppDefined,
5172 : "DISCARD_LSB ignored on non 8, 16, 32 or 64 bits images");
5173 1 : return nullptr;
5174 : }
5175 :
5176 240 : const CPLStringList aosTokens(CSLTokenizeString2(pszBits, ",", 0));
5177 120 : const int nTokens = aosTokens.size();
5178 120 : GTiffDataset::MaskOffset *panMaskOffsetLsb = nullptr;
5179 120 : if (nTokens == 1 || nTokens == nSamplesPerPixel)
5180 : {
5181 : panMaskOffsetLsb = static_cast<GTiffDataset::MaskOffset *>(
5182 119 : CPLCalloc(nSamplesPerPixel, sizeof(GTiffDataset::MaskOffset)));
5183 374 : for (int i = 0; i < nSamplesPerPixel; ++i)
5184 : {
5185 255 : const int nBits = atoi(aosTokens[nTokens == 1 ? 0 : i]);
5186 510 : const int nMaxBits = (nSampleFormat == SAMPLEFORMAT_IEEEFP)
5187 510 : ? ((nBitsPerSample == 16) ? 11 - 1
5188 78 : : (nBitsPerSample == 32) ? 23 - 1
5189 26 : : (nBitsPerSample == 64) ? 53 - 1
5190 : : 0)
5191 203 : : nSampleFormat == SAMPLEFORMAT_INT
5192 203 : ? nBitsPerSample - 2
5193 119 : : nBitsPerSample - 1;
5194 :
5195 255 : if (nBits < 0 || nBits > nMaxBits)
5196 : {
5197 0 : CPLError(
5198 : CE_Warning, CPLE_AppDefined,
5199 : "DISCARD_LSB ignored: values should be in [0,%d] range",
5200 : nMaxBits);
5201 0 : VSIFree(panMaskOffsetLsb);
5202 0 : return nullptr;
5203 : }
5204 255 : panMaskOffsetLsb[i].nMask =
5205 255 : ~((static_cast<uint64_t>(1) << nBits) - 1);
5206 255 : if (nBits > 1)
5207 : {
5208 249 : panMaskOffsetLsb[i].nRoundUpBitTest = static_cast<uint64_t>(1)
5209 249 : << (nBits - 1);
5210 : }
5211 119 : }
5212 : }
5213 : else
5214 : {
5215 1 : CPLError(CE_Warning, CPLE_AppDefined,
5216 : "DISCARD_LSB ignored: wrong number of components");
5217 : }
5218 120 : return panMaskOffsetLsb;
5219 : }
5220 :
5221 7456 : void GTiffDataset::GetDiscardLsbOption(char **papszOptions)
5222 : {
5223 7456 : m_panMaskOffsetLsb = ::GetDiscardLsbOption(m_hTIFF, papszOptions);
5224 7456 : }
5225 :
5226 : /************************************************************************/
5227 : /* GetProfile() */
5228 : /************************************************************************/
5229 :
5230 16990 : static GTiffProfile GetProfile(const char *pszProfile)
5231 : {
5232 16990 : GTiffProfile eProfile = GTiffProfile::GDALGEOTIFF;
5233 16990 : if (pszProfile != nullptr)
5234 : {
5235 70 : if (EQUAL(pszProfile, szPROFILE_BASELINE))
5236 50 : eProfile = GTiffProfile::BASELINE;
5237 20 : else if (EQUAL(pszProfile, szPROFILE_GeoTIFF))
5238 18 : eProfile = GTiffProfile::GEOTIFF;
5239 2 : else if (!EQUAL(pszProfile, szPROFILE_GDALGeoTIFF))
5240 : {
5241 0 : CPLError(CE_Warning, CPLE_NotSupported,
5242 : "Unsupported value for PROFILE: %s", pszProfile);
5243 : }
5244 : }
5245 16990 : return eProfile;
5246 : }
5247 :
5248 : /************************************************************************/
5249 : /* GTiffCreate() */
5250 : /* */
5251 : /* Shared functionality between GTiffDataset::Create() and */
5252 : /* GTiffCreateCopy() for creating TIFF file based on a set of */
5253 : /* options and a configuration. */
5254 : /************************************************************************/
5255 :
5256 9502 : TIFF *GTiffDataset::CreateLL(const char *pszFilename, int nXSize, int nYSize,
5257 : int l_nBands, GDALDataType eType,
5258 : double dfExtraSpaceForOverviews,
5259 : int nColorTableMultiplier, char **papszParamList,
5260 : VSILFILE **pfpL, CPLString &l_osTmpFilename,
5261 : bool bCreateCopy, bool &bTileInterleavingOut)
5262 :
5263 : {
5264 9502 : bTileInterleavingOut = false;
5265 :
5266 9502 : GTiffOneTimeInit();
5267 :
5268 : /* -------------------------------------------------------------------- */
5269 : /* Blow on a few errors. */
5270 : /* -------------------------------------------------------------------- */
5271 9502 : if (nXSize < 1 || nYSize < 1 || l_nBands < 1)
5272 : {
5273 1 : ReportError(
5274 : pszFilename, CE_Failure, CPLE_AppDefined,
5275 : "Attempt to create %dx%dx%d TIFF file, but width, height and bands"
5276 : "must be positive.",
5277 : nXSize, nYSize, l_nBands);
5278 :
5279 1 : return nullptr;
5280 : }
5281 :
5282 9501 : if (l_nBands > 65535)
5283 : {
5284 1 : ReportError(pszFilename, CE_Failure, CPLE_AppDefined,
5285 : "Attempt to create %dx%dx%d TIFF file, but bands "
5286 : "must be lesser or equal to 65535.",
5287 : nXSize, nYSize, l_nBands);
5288 :
5289 1 : return nullptr;
5290 : }
5291 :
5292 : /* -------------------------------------------------------------------- */
5293 : /* Setup values based on options. */
5294 : /* -------------------------------------------------------------------- */
5295 : const GTiffProfile eProfile =
5296 9500 : GetProfile(CSLFetchNameValue(papszParamList, "PROFILE"));
5297 :
5298 9500 : const bool bTiled = CPLFetchBool(papszParamList, "TILED", false);
5299 :
5300 9500 : int l_nBlockXSize = 0;
5301 9500 : if (const char *pszValue = CSLFetchNameValue(papszParamList, "BLOCKXSIZE"))
5302 : {
5303 378 : l_nBlockXSize = atoi(pszValue);
5304 378 : if (l_nBlockXSize < 0)
5305 : {
5306 0 : ReportError(pszFilename, CE_Failure, CPLE_IllegalArg,
5307 : "Invalid value for BLOCKXSIZE");
5308 0 : return nullptr;
5309 : }
5310 378 : if (!bTiled)
5311 : {
5312 10 : ReportError(pszFilename, CE_Warning, CPLE_IllegalArg,
5313 : "BLOCKXSIZE can only be used with TILED=YES");
5314 : }
5315 368 : else if (l_nBlockXSize % 16 != 0)
5316 : {
5317 1 : ReportError(pszFilename, CE_Failure, CPLE_IllegalArg,
5318 : "BLOCKXSIZE must be a multiple of 16");
5319 1 : return nullptr;
5320 : }
5321 : }
5322 :
5323 9499 : int l_nBlockYSize = 0;
5324 9499 : if (const char *pszValue = CSLFetchNameValue(papszParamList, "BLOCKYSIZE"))
5325 : {
5326 2490 : l_nBlockYSize = atoi(pszValue);
5327 2490 : if (l_nBlockYSize < 0)
5328 : {
5329 0 : ReportError(pszFilename, CE_Failure, CPLE_IllegalArg,
5330 : "Invalid value for BLOCKYSIZE");
5331 0 : return nullptr;
5332 : }
5333 2490 : if (bTiled && (l_nBlockYSize % 16 != 0))
5334 : {
5335 2 : ReportError(pszFilename, CE_Failure, CPLE_IllegalArg,
5336 : "BLOCKYSIZE must be a multiple of 16");
5337 2 : return nullptr;
5338 : }
5339 : }
5340 :
5341 9497 : if (bTiled)
5342 : {
5343 691 : if (l_nBlockXSize == 0)
5344 325 : l_nBlockXSize = 256;
5345 :
5346 691 : if (l_nBlockYSize == 0)
5347 325 : l_nBlockYSize = 256;
5348 : }
5349 :
5350 9497 : int nPlanar = 0;
5351 :
5352 : // Hidden @TILE_INTERLEAVE=YES parameter used by the COG driver
5353 9497 : if (bCreateCopy && CPLTestBool(CSLFetchNameValueDef(
5354 : papszParamList, "@TILE_INTERLEAVE", "NO")))
5355 : {
5356 7 : bTileInterleavingOut = true;
5357 7 : nPlanar = PLANARCONFIG_SEPARATE;
5358 : }
5359 : else
5360 : {
5361 9490 : if (const char *pszValue =
5362 9490 : CSLFetchNameValue(papszParamList, "INTERLEAVE"))
5363 : {
5364 1510 : if (EQUAL(pszValue, "PIXEL"))
5365 364 : nPlanar = PLANARCONFIG_CONTIG;
5366 1146 : else if (EQUAL(pszValue, "BAND"))
5367 : {
5368 1145 : nPlanar = PLANARCONFIG_SEPARATE;
5369 : }
5370 1 : else if (EQUAL(pszValue, "BAND"))
5371 : {
5372 0 : nPlanar = PLANARCONFIG_SEPARATE;
5373 : }
5374 : else
5375 : {
5376 1 : ReportError(
5377 : pszFilename, CE_Failure, CPLE_IllegalArg,
5378 : "INTERLEAVE=%s unsupported, value must be PIXEL or BAND.",
5379 : pszValue);
5380 1 : return nullptr;
5381 : }
5382 : }
5383 : else
5384 : {
5385 7980 : nPlanar = PLANARCONFIG_CONTIG;
5386 : }
5387 : }
5388 :
5389 9496 : int l_nCompression = COMPRESSION_NONE;
5390 9496 : if (const char *pszValue = CSLFetchNameValue(papszParamList, "COMPRESS"))
5391 : {
5392 3241 : l_nCompression = GTIFFGetCompressionMethod(pszValue, "COMPRESS");
5393 3241 : if (l_nCompression < 0)
5394 0 : return nullptr;
5395 : }
5396 :
5397 9496 : constexpr int JPEG_MAX_DIMENSION = 65500; // Defined in jpeglib.h
5398 9496 : constexpr int WEBP_MAX_DIMENSION = 16383;
5399 :
5400 : const struct
5401 : {
5402 : int nCodecID;
5403 : const char *pszCodecName;
5404 : int nMaxDim;
5405 9496 : } asLimitations[] = {
5406 : {COMPRESSION_JPEG, "JPEG", JPEG_MAX_DIMENSION},
5407 : {COMPRESSION_WEBP, "WEBP", WEBP_MAX_DIMENSION},
5408 : };
5409 :
5410 28476 : for (const auto &sLimitation : asLimitations)
5411 : {
5412 18988 : if (l_nCompression == sLimitation.nCodecID && !bTiled &&
5413 2078 : nXSize > sLimitation.nMaxDim)
5414 : {
5415 2 : ReportError(
5416 : pszFilename, CE_Failure, CPLE_IllegalArg,
5417 : "COMPRESS=%s is only compatible of un-tiled images whose "
5418 : "width is lesser or equal to %d pixels. "
5419 : "To overcome this limitation, set the TILED=YES creation "
5420 : "option.",
5421 2 : sLimitation.pszCodecName, sLimitation.nMaxDim);
5422 2 : return nullptr;
5423 : }
5424 18986 : else if (l_nCompression == sLimitation.nCodecID && bTiled &&
5425 52 : l_nBlockXSize > sLimitation.nMaxDim)
5426 : {
5427 2 : ReportError(pszFilename, CE_Failure, CPLE_IllegalArg,
5428 : "COMPRESS=%s is only compatible of tiled images whose "
5429 : "BLOCKXSIZE is lesser or equal to %d pixels.",
5430 2 : sLimitation.pszCodecName, sLimitation.nMaxDim);
5431 2 : return nullptr;
5432 : }
5433 18984 : else if (l_nCompression == sLimitation.nCodecID &&
5434 2126 : l_nBlockYSize > sLimitation.nMaxDim)
5435 : {
5436 4 : ReportError(pszFilename, CE_Failure, CPLE_IllegalArg,
5437 : "COMPRESS=%s is only compatible of images whose "
5438 : "BLOCKYSIZE is lesser or equal to %d pixels. "
5439 : "To overcome this limitation, set the TILED=YES "
5440 : "creation option",
5441 4 : sLimitation.pszCodecName, sLimitation.nMaxDim);
5442 4 : return nullptr;
5443 : }
5444 : }
5445 :
5446 : /* -------------------------------------------------------------------- */
5447 : /* How many bits per sample? We have a special case if NBITS */
5448 : /* specified for GDT_Byte, GDT_UInt16, GDT_UInt32. */
5449 : /* -------------------------------------------------------------------- */
5450 9488 : int l_nBitsPerSample = GDALGetDataTypeSizeBits(eType);
5451 9488 : if (CSLFetchNameValue(papszParamList, "NBITS") != nullptr)
5452 : {
5453 1751 : int nMinBits = 0;
5454 1751 : int nMaxBits = 0;
5455 1751 : l_nBitsPerSample = atoi(CSLFetchNameValue(papszParamList, "NBITS"));
5456 1751 : if (eType == GDT_Byte)
5457 : {
5458 531 : nMinBits = 1;
5459 531 : nMaxBits = 8;
5460 : }
5461 1220 : else if (eType == GDT_UInt16)
5462 : {
5463 1202 : nMinBits = 9;
5464 1202 : nMaxBits = 16;
5465 : }
5466 18 : else if (eType == GDT_UInt32)
5467 : {
5468 14 : nMinBits = 17;
5469 14 : nMaxBits = 32;
5470 : }
5471 4 : else if (eType == GDT_Float32)
5472 : {
5473 4 : if (l_nBitsPerSample != 16 && l_nBitsPerSample != 32)
5474 : {
5475 1 : ReportError(pszFilename, CE_Warning, CPLE_NotSupported,
5476 : "Only NBITS=16 is supported for data type Float32");
5477 1 : l_nBitsPerSample = GDALGetDataTypeSizeBits(eType);
5478 : }
5479 : }
5480 : else
5481 : {
5482 0 : ReportError(pszFilename, CE_Warning, CPLE_NotSupported,
5483 : "NBITS is not supported for data type %s",
5484 : GDALGetDataTypeName(eType));
5485 0 : l_nBitsPerSample = GDALGetDataTypeSizeBits(eType);
5486 : }
5487 :
5488 1751 : if (nMinBits != 0)
5489 : {
5490 1747 : if (l_nBitsPerSample < nMinBits)
5491 : {
5492 2 : ReportError(
5493 : pszFilename, CE_Warning, CPLE_AppDefined,
5494 : "NBITS=%d is invalid for data type %s. Using NBITS=%d",
5495 : l_nBitsPerSample, GDALGetDataTypeName(eType), nMinBits);
5496 2 : l_nBitsPerSample = nMinBits;
5497 : }
5498 1745 : else if (l_nBitsPerSample > nMaxBits)
5499 : {
5500 3 : ReportError(
5501 : pszFilename, CE_Warning, CPLE_AppDefined,
5502 : "NBITS=%d is invalid for data type %s. Using NBITS=%d",
5503 : l_nBitsPerSample, GDALGetDataTypeName(eType), nMaxBits);
5504 3 : l_nBitsPerSample = nMaxBits;
5505 : }
5506 : }
5507 : }
5508 :
5509 : #ifdef HAVE_JXL
5510 9488 : if ((l_nCompression == COMPRESSION_JXL ||
5511 103 : l_nCompression == COMPRESSION_JXL_DNG_1_7) &&
5512 102 : eType != GDT_Float16 && eType != GDT_Float32)
5513 : {
5514 : // Reflects tif_jxl's GetJXLDataType()
5515 82 : if (eType != GDT_Byte && eType != GDT_UInt16)
5516 : {
5517 1 : ReportError(pszFilename, CE_Failure, CPLE_NotSupported,
5518 : "Data type %s not supported for JXL compression. Only "
5519 : "Byte, UInt16, Float16, Float32 are supported",
5520 : GDALGetDataTypeName(eType));
5521 2 : return nullptr;
5522 : }
5523 :
5524 : const struct
5525 : {
5526 : GDALDataType eDT;
5527 : int nBitsPerSample;
5528 81 : } asSupportedDTBitsPerSample[] = {
5529 : {GDT_Byte, 8},
5530 : {GDT_UInt16, 16},
5531 : };
5532 :
5533 241 : for (const auto &sSupportedDTBitsPerSample : asSupportedDTBitsPerSample)
5534 : {
5535 161 : if (eType == sSupportedDTBitsPerSample.eDT &&
5536 81 : l_nBitsPerSample != sSupportedDTBitsPerSample.nBitsPerSample)
5537 : {
5538 1 : ReportError(
5539 : pszFilename, CE_Failure, CPLE_NotSupported,
5540 : "Bits per sample=%d not supported for JXL compression. "
5541 : "Only %d is supported for %s data type.",
5542 1 : l_nBitsPerSample, sSupportedDTBitsPerSample.nBitsPerSample,
5543 : GDALGetDataTypeName(eType));
5544 1 : return nullptr;
5545 : }
5546 : }
5547 : }
5548 : #endif
5549 :
5550 9486 : int nPredictor = PREDICTOR_NONE;
5551 9486 : const char *pszPredictor = CSLFetchNameValue(papszParamList, "PREDICTOR");
5552 9486 : if (pszPredictor)
5553 : {
5554 29 : nPredictor = atoi(pszPredictor);
5555 : }
5556 :
5557 9486 : if (nPredictor != PREDICTOR_NONE &&
5558 16 : l_nCompression != COMPRESSION_ADOBE_DEFLATE &&
5559 2 : l_nCompression != COMPRESSION_LZW &&
5560 2 : l_nCompression != COMPRESSION_LZMA &&
5561 : l_nCompression != COMPRESSION_ZSTD)
5562 : {
5563 1 : ReportError(pszFilename, CE_Warning, CPLE_NotSupported,
5564 : "PREDICTOR option is ignored for COMPRESS=%s. "
5565 : "Only valid for DEFLATE, LZW, LZMA or ZSTD",
5566 : CSLFetchNameValueDef(papszParamList, "COMPRESS", "NONE"));
5567 : }
5568 :
5569 : // Do early checks as libtiff will only error out when starting to write.
5570 9513 : else if (nPredictor != PREDICTOR_NONE &&
5571 28 : CPLTestBool(
5572 : CPLGetConfigOption("GDAL_GTIFF_PREDICTOR_CHECKS", "YES")))
5573 : {
5574 : #if (TIFFLIB_VERSION > 20210416) || defined(INTERNAL_LIBTIFF)
5575 : #define HAVE_PREDICTOR_2_FOR_64BIT
5576 : #endif
5577 28 : if (nPredictor == 2)
5578 : {
5579 23 : if (l_nBitsPerSample != 8 && l_nBitsPerSample != 16 &&
5580 : l_nBitsPerSample != 32
5581 : #ifdef HAVE_PREDICTOR_2_FOR_64BIT
5582 2 : && l_nBitsPerSample != 64
5583 : #endif
5584 : )
5585 : {
5586 : #if !defined(HAVE_PREDICTOR_2_FOR_64BIT)
5587 : if (l_nBitsPerSample == 64)
5588 : {
5589 : ReportError(pszFilename, CE_Failure, CPLE_AppDefined,
5590 : "PREDICTOR=2 is supported on 64 bit samples "
5591 : "starting with libtiff > 4.3.0.");
5592 : }
5593 : else
5594 : #endif
5595 : {
5596 2 : const int nBITSHint = (l_nBitsPerSample < 8) ? 8
5597 1 : : (l_nBitsPerSample < 16) ? 16
5598 0 : : (l_nBitsPerSample < 32) ? 32
5599 : : 64;
5600 1 : ReportError(pszFilename, CE_Failure, CPLE_AppDefined,
5601 : #ifdef HAVE_PREDICTOR_2_FOR_64BIT
5602 : "PREDICTOR=2 is only supported with 8/16/32/64 "
5603 : "bit samples. You can specify the NBITS=%d "
5604 : "creation option to promote to the closest "
5605 : "supported bits per sample value.",
5606 : #else
5607 : "PREDICTOR=2 is only supported with 8/16/32 "
5608 : "bit samples. You can specify the NBITS=%d "
5609 : "creation option to promote to the closest "
5610 : "supported bits per sample value.",
5611 : #endif
5612 : nBITSHint);
5613 : }
5614 1 : return nullptr;
5615 : }
5616 : }
5617 5 : else if (nPredictor == 3)
5618 : {
5619 4 : if (eType != GDT_Float32 && eType != GDT_Float64)
5620 : {
5621 1 : ReportError(
5622 : pszFilename, CE_Failure, CPLE_AppDefined,
5623 : "PREDICTOR=3 is only supported with Float32 or Float64.");
5624 1 : return nullptr;
5625 : }
5626 : }
5627 : else
5628 : {
5629 1 : ReportError(pszFilename, CE_Failure, CPLE_AppDefined,
5630 : "PREDICTOR=%s is not supported.", pszPredictor);
5631 1 : return nullptr;
5632 : }
5633 : }
5634 :
5635 9483 : const int l_nZLevel = GTiffGetZLevel(papszParamList);
5636 9483 : const int l_nLZMAPreset = GTiffGetLZMAPreset(papszParamList);
5637 9483 : const int l_nZSTDLevel = GTiffGetZSTDPreset(papszParamList);
5638 9483 : const int l_nWebPLevel = GTiffGetWebPLevel(papszParamList);
5639 9483 : const bool l_bWebPLossless = GTiffGetWebPLossless(papszParamList);
5640 9483 : const int l_nJpegQuality = GTiffGetJpegQuality(papszParamList);
5641 9483 : const int l_nJpegTablesMode = GTiffGetJpegTablesMode(papszParamList);
5642 9483 : const double l_dfMaxZError = GTiffGetLERCMaxZError(papszParamList);
5643 : #if HAVE_JXL
5644 9483 : const bool l_bJXLLossless = GTiffGetJXLLossless(papszParamList);
5645 9483 : const uint32_t l_nJXLEffort = GTiffGetJXLEffort(papszParamList);
5646 9483 : const float l_fJXLDistance = GTiffGetJXLDistance(papszParamList);
5647 9483 : const float l_fJXLAlphaDistance = GTiffGetJXLAlphaDistance(papszParamList);
5648 : #endif
5649 : /* -------------------------------------------------------------------- */
5650 : /* Streaming related code */
5651 : /* -------------------------------------------------------------------- */
5652 18966 : const CPLString osOriFilename(pszFilename);
5653 18966 : bool bStreaming = strcmp(pszFilename, "/vsistdout/") == 0 ||
5654 9483 : CPLFetchBool(papszParamList, "STREAMABLE_OUTPUT", false);
5655 : #ifdef S_ISFIFO
5656 9483 : if (!bStreaming)
5657 : {
5658 : VSIStatBufL sStat;
5659 9471 : if (VSIStatExL(pszFilename, &sStat,
5660 10351 : VSI_STAT_EXISTS_FLAG | VSI_STAT_NATURE_FLAG) == 0 &&
5661 880 : S_ISFIFO(sStat.st_mode))
5662 : {
5663 0 : bStreaming = true;
5664 : }
5665 : }
5666 : #endif
5667 9483 : if (bStreaming && !EQUAL("NONE", CSLFetchNameValueDef(papszParamList,
5668 : "COMPRESS", "NONE")))
5669 : {
5670 1 : ReportError(pszFilename, CE_Failure, CPLE_NotSupported,
5671 : "Streaming only supported to uncompressed TIFF");
5672 1 : return nullptr;
5673 : }
5674 9482 : if (bStreaming && CPLFetchBool(papszParamList, "SPARSE_OK", false))
5675 : {
5676 1 : ReportError(pszFilename, CE_Failure, CPLE_NotSupported,
5677 : "Streaming not supported with SPARSE_OK");
5678 1 : return nullptr;
5679 : }
5680 : const bool bCopySrcOverviews =
5681 9481 : CPLFetchBool(papszParamList, "COPY_SRC_OVERVIEWS", false);
5682 9481 : if (bStreaming && bCopySrcOverviews)
5683 : {
5684 1 : ReportError(pszFilename, CE_Failure, CPLE_NotSupported,
5685 : "Streaming not supported with COPY_SRC_OVERVIEWS");
5686 1 : return nullptr;
5687 : }
5688 9480 : if (bStreaming)
5689 : {
5690 9 : l_osTmpFilename = VSIMemGenerateHiddenFilename("vsistdout.tif");
5691 9 : pszFilename = l_osTmpFilename.c_str();
5692 : }
5693 :
5694 : /* -------------------------------------------------------------------- */
5695 : /* Compute the uncompressed size. */
5696 : /* -------------------------------------------------------------------- */
5697 9480 : const unsigned nTileXCount =
5698 9480 : bTiled ? DIV_ROUND_UP(nXSize, l_nBlockXSize) : 0;
5699 9480 : const unsigned nTileYCount =
5700 9480 : bTiled ? DIV_ROUND_UP(nYSize, l_nBlockYSize) : 0;
5701 : const double dfUncompressedImageSize =
5702 9480 : (bTiled ? (static_cast<double>(nTileXCount) * nTileYCount *
5703 687 : l_nBlockXSize * l_nBlockYSize)
5704 8793 : : (nXSize * static_cast<double>(nYSize))) *
5705 9480 : l_nBands * GDALGetDataTypeSizeBytes(eType) +
5706 9480 : dfExtraSpaceForOverviews;
5707 :
5708 : /* -------------------------------------------------------------------- */
5709 : /* Should the file be created as a bigtiff file? */
5710 : /* -------------------------------------------------------------------- */
5711 9480 : const char *pszBIGTIFF = CSLFetchNameValue(papszParamList, "BIGTIFF");
5712 :
5713 9480 : if (pszBIGTIFF == nullptr)
5714 9058 : pszBIGTIFF = "IF_NEEDED";
5715 :
5716 9480 : bool bCreateBigTIFF = false;
5717 9480 : if (EQUAL(pszBIGTIFF, "IF_NEEDED"))
5718 : {
5719 9059 : if (l_nCompression == COMPRESSION_NONE &&
5720 : dfUncompressedImageSize > 4200000000.0)
5721 17 : bCreateBigTIFF = true;
5722 : }
5723 421 : else if (EQUAL(pszBIGTIFF, "IF_SAFER"))
5724 : {
5725 401 : if (dfUncompressedImageSize > 2000000000.0)
5726 1 : bCreateBigTIFF = true;
5727 : }
5728 : else
5729 : {
5730 20 : bCreateBigTIFF = CPLTestBool(pszBIGTIFF);
5731 20 : if (!bCreateBigTIFF && l_nCompression == COMPRESSION_NONE &&
5732 : dfUncompressedImageSize > 4200000000.0)
5733 : {
5734 2 : ReportError(pszFilename, CE_Failure, CPLE_NotSupported,
5735 : "The TIFF file will be larger than 4GB, so BigTIFF is "
5736 : "necessary. Creation failed.");
5737 2 : return nullptr;
5738 : }
5739 : }
5740 :
5741 9478 : if (bCreateBigTIFF)
5742 34 : CPLDebug("GTiff", "File being created as a BigTIFF.");
5743 :
5744 : /* -------------------------------------------------------------------- */
5745 : /* Sanity check. */
5746 : /* -------------------------------------------------------------------- */
5747 9478 : if (bTiled)
5748 : {
5749 : // libtiff implementation limitation
5750 687 : if (nTileXCount > 0x80000000U / (bCreateBigTIFF ? 8 : 4) / nTileYCount)
5751 : {
5752 3 : ReportError(pszFilename, CE_Failure, CPLE_NotSupported,
5753 : "File too large regarding tile size. This would result "
5754 : "in a file with tile arrays larger than 2GB");
5755 3 : return nullptr;
5756 : }
5757 : }
5758 :
5759 : /* -------------------------------------------------------------------- */
5760 : /* Check free space (only for big, non sparse) */
5761 : /* -------------------------------------------------------------------- */
5762 9475 : const double dfLikelyFloorOfFinalSize =
5763 : l_nCompression == COMPRESSION_NONE
5764 9475 : ? dfUncompressedImageSize
5765 : :
5766 : /* For compressed, we target 1% as the most optimistic reduction factor! */
5767 : 0.01 * dfUncompressedImageSize;
5768 9496 : if (dfLikelyFloorOfFinalSize >= 1e9 &&
5769 21 : !CPLFetchBool(papszParamList, "SPARSE_OK", false) &&
5770 4 : osOriFilename != "/vsistdout/" &&
5771 9500 : osOriFilename != "/vsistdout_redirect/" &&
5772 4 : CPLTestBool(CPLGetConfigOption("CHECK_DISK_FREE_SPACE", "TRUE")))
5773 : {
5774 : const GIntBig nFreeDiskSpace =
5775 3 : VSIGetDiskFreeSpace(CPLGetDirnameSafe(pszFilename).c_str());
5776 3 : if (nFreeDiskSpace >= 0 && nFreeDiskSpace < dfLikelyFloorOfFinalSize)
5777 : {
5778 6 : ReportError(
5779 : pszFilename, CE_Failure, CPLE_FileIO,
5780 : "Free disk space available is %s, "
5781 : "whereas %s are %s necessary. "
5782 : "You can disable this check by defining the "
5783 : "CHECK_DISK_FREE_SPACE configuration option to FALSE.",
5784 4 : CPLFormatReadableFileSize(static_cast<uint64_t>(nFreeDiskSpace))
5785 : .c_str(),
5786 4 : CPLFormatReadableFileSize(dfLikelyFloorOfFinalSize).c_str(),
5787 : l_nCompression == COMPRESSION_NONE
5788 : ? "at least"
5789 : : "likely at least (probably more)");
5790 2 : return nullptr;
5791 : }
5792 : }
5793 :
5794 : /* -------------------------------------------------------------------- */
5795 : /* Check if the user wishes a particular endianness */
5796 : /* -------------------------------------------------------------------- */
5797 :
5798 9473 : int eEndianness = ENDIANNESS_NATIVE;
5799 9473 : const char *pszEndianness = CSLFetchNameValue(papszParamList, "ENDIANNESS");
5800 9473 : if (pszEndianness == nullptr)
5801 9410 : pszEndianness = CPLGetConfigOption("GDAL_TIFF_ENDIANNESS", nullptr);
5802 9473 : if (pszEndianness != nullptr)
5803 : {
5804 123 : if (EQUAL(pszEndianness, "LITTLE"))
5805 : {
5806 36 : eEndianness = ENDIANNESS_LITTLE;
5807 : }
5808 87 : else if (EQUAL(pszEndianness, "BIG"))
5809 : {
5810 1 : eEndianness = ENDIANNESS_BIG;
5811 : }
5812 86 : else if (EQUAL(pszEndianness, "INVERTED"))
5813 : {
5814 : #ifdef CPL_LSB
5815 82 : eEndianness = ENDIANNESS_BIG;
5816 : #else
5817 : eEndianness = ENDIANNESS_LITTLE;
5818 : #endif
5819 : }
5820 4 : else if (!EQUAL(pszEndianness, "NATIVE"))
5821 : {
5822 1 : ReportError(pszFilename, CE_Warning, CPLE_NotSupported,
5823 : "ENDIANNESS=%s not supported. Defaulting to NATIVE",
5824 : pszEndianness);
5825 : }
5826 : }
5827 :
5828 : /* -------------------------------------------------------------------- */
5829 : /* Try opening the dataset. */
5830 : /* -------------------------------------------------------------------- */
5831 :
5832 : const bool bAppend =
5833 9473 : CPLFetchBool(papszParamList, "APPEND_SUBDATASET", false);
5834 :
5835 9473 : char szOpeningFlag[5] = {};
5836 9473 : strcpy(szOpeningFlag, bAppend ? "r+" : "w+");
5837 9473 : if (bCreateBigTIFF)
5838 31 : strcat(szOpeningFlag, "8");
5839 9473 : if (eEndianness == ENDIANNESS_BIG)
5840 83 : strcat(szOpeningFlag, "b");
5841 9390 : else if (eEndianness == ENDIANNESS_LITTLE)
5842 36 : strcat(szOpeningFlag, "l");
5843 :
5844 9473 : VSIErrorReset();
5845 9473 : VSILFILE *l_fpL = VSIFOpenExL(pszFilename, bAppend ? "r+b" : "w+b", true);
5846 9473 : if (l_fpL == nullptr)
5847 : {
5848 21 : VSIToCPLErrorWithMsg(CE_Failure, CPLE_OpenFailed,
5849 42 : std::string("Attempt to create new tiff file `")
5850 21 : .append(pszFilename)
5851 21 : .append("' failed")
5852 : .c_str());
5853 21 : return nullptr;
5854 : }
5855 9452 : TIFF *l_hTIFF = VSI_TIFFOpen(pszFilename, szOpeningFlag, l_fpL);
5856 9452 : if (l_hTIFF == nullptr)
5857 : {
5858 2 : if (CPLGetLastErrorNo() == 0)
5859 0 : CPLError(CE_Failure, CPLE_OpenFailed,
5860 : "Attempt to create new tiff file `%s' "
5861 : "failed in XTIFFOpen().",
5862 : pszFilename);
5863 2 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
5864 2 : return nullptr;
5865 : }
5866 :
5867 9450 : if (bAppend)
5868 : {
5869 : #if !(defined(INTERNAL_LIBTIFF) || TIFFLIB_VERSION > 20240911)
5870 : // This is a bit of a hack to cause (*tif->tif_cleanup)(tif); to be
5871 : // called. See https://trac.osgeo.org/gdal/ticket/2055
5872 : // Fixed in libtiff > 4.7.0
5873 : TIFFSetField(l_hTIFF, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
5874 : TIFFFreeDirectory(l_hTIFF);
5875 : #endif
5876 6 : TIFFCreateDirectory(l_hTIFF);
5877 : }
5878 :
5879 : /* -------------------------------------------------------------------- */
5880 : /* Do we have a custom pixel type (just used for signed byte now). */
5881 : /* -------------------------------------------------------------------- */
5882 9450 : const char *pszPixelType = CSLFetchNameValue(papszParamList, "PIXELTYPE");
5883 9450 : if (pszPixelType == nullptr)
5884 9442 : pszPixelType = "";
5885 9450 : if (eType == GDT_Byte && EQUAL(pszPixelType, "SIGNEDBYTE"))
5886 : {
5887 8 : CPLError(CE_Warning, CPLE_AppDefined,
5888 : "Using PIXELTYPE=SIGNEDBYTE with Byte data type is deprecated "
5889 : "(but still works). "
5890 : "Using Int8 data type instead is now recommended.");
5891 : }
5892 :
5893 : /* -------------------------------------------------------------------- */
5894 : /* Setup some standard flags. */
5895 : /* -------------------------------------------------------------------- */
5896 9450 : TIFFSetField(l_hTIFF, TIFFTAG_IMAGEWIDTH, nXSize);
5897 9450 : TIFFSetField(l_hTIFF, TIFFTAG_IMAGELENGTH, nYSize);
5898 9450 : TIFFSetField(l_hTIFF, TIFFTAG_BITSPERSAMPLE, l_nBitsPerSample);
5899 :
5900 9450 : uint16_t l_nSampleFormat = 0;
5901 9450 : if ((eType == GDT_Byte && EQUAL(pszPixelType, "SIGNEDBYTE")) ||
5902 9307 : eType == GDT_Int8 || eType == GDT_Int16 || eType == GDT_Int32 ||
5903 : eType == GDT_Int64)
5904 770 : l_nSampleFormat = SAMPLEFORMAT_INT;
5905 8680 : else if (eType == GDT_CInt16 || eType == GDT_CInt32)
5906 355 : l_nSampleFormat = SAMPLEFORMAT_COMPLEXINT;
5907 8325 : else if (eType == GDT_Float16 || eType == GDT_Float32 ||
5908 : eType == GDT_Float64)
5909 1064 : l_nSampleFormat = SAMPLEFORMAT_IEEEFP;
5910 7261 : else if (eType == GDT_CFloat16 || eType == GDT_CFloat32 ||
5911 : eType == GDT_CFloat64)
5912 462 : l_nSampleFormat = SAMPLEFORMAT_COMPLEXIEEEFP;
5913 : else
5914 6799 : l_nSampleFormat = SAMPLEFORMAT_UINT;
5915 :
5916 9450 : TIFFSetField(l_hTIFF, TIFFTAG_SAMPLEFORMAT, l_nSampleFormat);
5917 9450 : TIFFSetField(l_hTIFF, TIFFTAG_SAMPLESPERPIXEL, l_nBands);
5918 9450 : TIFFSetField(l_hTIFF, TIFFTAG_PLANARCONFIG, nPlanar);
5919 :
5920 : /* -------------------------------------------------------------------- */
5921 : /* Setup Photometric Interpretation. Take this value from the user */
5922 : /* passed option or guess correct value otherwise. */
5923 : /* -------------------------------------------------------------------- */
5924 9450 : int nSamplesAccountedFor = 1;
5925 9450 : bool bForceColorTable = false;
5926 :
5927 9450 : if (const char *pszValue = CSLFetchNameValue(papszParamList, "PHOTOMETRIC"))
5928 : {
5929 1892 : if (EQUAL(pszValue, "MINISBLACK"))
5930 14 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
5931 1878 : else if (EQUAL(pszValue, "MINISWHITE"))
5932 : {
5933 2 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
5934 : }
5935 1876 : else if (EQUAL(pszValue, "PALETTE"))
5936 : {
5937 5 : if (eType == GDT_Byte || eType == GDT_UInt16)
5938 : {
5939 4 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE);
5940 4 : nSamplesAccountedFor = 1;
5941 4 : bForceColorTable = true;
5942 : }
5943 : else
5944 : {
5945 1 : ReportError(
5946 : pszFilename, CE_Warning, CPLE_AppDefined,
5947 : "PHOTOMETRIC=PALETTE only compatible with Byte or UInt16");
5948 : }
5949 : }
5950 1871 : else if (EQUAL(pszValue, "RGB"))
5951 : {
5952 1127 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
5953 1127 : nSamplesAccountedFor = 3;
5954 : }
5955 744 : else if (EQUAL(pszValue, "CMYK"))
5956 : {
5957 10 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_SEPARATED);
5958 10 : nSamplesAccountedFor = 4;
5959 : }
5960 734 : else if (EQUAL(pszValue, "YCBCR"))
5961 : {
5962 : // Because of subsampling, setting YCBCR without JPEG compression
5963 : // leads to a crash currently. Would need to make
5964 : // GTiffRasterBand::IWriteBlock() aware of subsampling so that it
5965 : // doesn't overrun buffer size returned by libtiff.
5966 733 : if (l_nCompression != COMPRESSION_JPEG)
5967 : {
5968 1 : ReportError(
5969 : pszFilename, CE_Failure, CPLE_NotSupported,
5970 : "Currently, PHOTOMETRIC=YCBCR requires COMPRESS=JPEG");
5971 1 : XTIFFClose(l_hTIFF);
5972 1 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
5973 1 : return nullptr;
5974 : }
5975 :
5976 732 : if (nPlanar == PLANARCONFIG_SEPARATE)
5977 : {
5978 1 : ReportError(pszFilename, CE_Failure, CPLE_NotSupported,
5979 : "PHOTOMETRIC=YCBCR requires INTERLEAVE=PIXEL");
5980 1 : XTIFFClose(l_hTIFF);
5981 1 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
5982 1 : return nullptr;
5983 : }
5984 :
5985 : // YCBCR strictly requires 3 bands. Not less, not more Issue an
5986 : // explicit error message as libtiff one is a bit cryptic:
5987 : // TIFFVStripSize64:Invalid td_samplesperpixel value.
5988 731 : if (l_nBands != 3)
5989 : {
5990 1 : ReportError(
5991 : pszFilename, CE_Failure, CPLE_NotSupported,
5992 : "PHOTOMETRIC=YCBCR not supported on a %d-band raster: "
5993 : "only compatible of a 3-band (RGB) raster",
5994 : l_nBands);
5995 1 : XTIFFClose(l_hTIFF);
5996 1 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
5997 1 : return nullptr;
5998 : }
5999 :
6000 730 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_YCBCR);
6001 730 : nSamplesAccountedFor = 3;
6002 :
6003 : // Explicitly register the subsampling so that JPEGFixupTags
6004 : // is a no-op (helps for cloud optimized geotiffs)
6005 730 : TIFFSetField(l_hTIFF, TIFFTAG_YCBCRSUBSAMPLING, 2, 2);
6006 : }
6007 1 : else if (EQUAL(pszValue, "CIELAB"))
6008 : {
6009 0 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_CIELAB);
6010 0 : nSamplesAccountedFor = 3;
6011 : }
6012 1 : else if (EQUAL(pszValue, "ICCLAB"))
6013 : {
6014 0 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_ICCLAB);
6015 0 : nSamplesAccountedFor = 3;
6016 : }
6017 1 : else if (EQUAL(pszValue, "ITULAB"))
6018 : {
6019 0 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_ITULAB);
6020 0 : nSamplesAccountedFor = 3;
6021 : }
6022 : else
6023 : {
6024 1 : ReportError(pszFilename, CE_Warning, CPLE_IllegalArg,
6025 : "PHOTOMETRIC=%s value not recognised, ignoring. "
6026 : "Set the Photometric Interpretation as MINISBLACK.",
6027 : pszValue);
6028 1 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
6029 : }
6030 :
6031 1889 : if (l_nBands < nSamplesAccountedFor)
6032 : {
6033 1 : ReportError(pszFilename, CE_Warning, CPLE_IllegalArg,
6034 : "PHOTOMETRIC=%s value does not correspond to number "
6035 : "of bands (%d), ignoring. "
6036 : "Set the Photometric Interpretation as MINISBLACK.",
6037 : pszValue, l_nBands);
6038 1 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
6039 : }
6040 : }
6041 : else
6042 : {
6043 : // If image contains 3 or 4 bands and datatype is Byte then we will
6044 : // assume it is RGB. In all other cases assume it is MINISBLACK.
6045 7558 : if (l_nBands == 3 && eType == GDT_Byte)
6046 : {
6047 312 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
6048 312 : nSamplesAccountedFor = 3;
6049 : }
6050 7246 : else if (l_nBands == 4 && eType == GDT_Byte)
6051 : {
6052 : uint16_t v[1] = {
6053 717 : GTiffGetAlphaValue(CSLFetchNameValue(papszParamList, "ALPHA"),
6054 717 : DEFAULT_ALPHA_TYPE)};
6055 :
6056 717 : TIFFSetField(l_hTIFF, TIFFTAG_EXTRASAMPLES, 1, v);
6057 717 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
6058 717 : nSamplesAccountedFor = 4;
6059 : }
6060 : else
6061 : {
6062 6529 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
6063 6529 : nSamplesAccountedFor = 1;
6064 : }
6065 : }
6066 :
6067 : /* -------------------------------------------------------------------- */
6068 : /* If there are extra samples, we need to mark them with an */
6069 : /* appropriate extrasamples definition here. */
6070 : /* -------------------------------------------------------------------- */
6071 9447 : if (l_nBands > nSamplesAccountedFor)
6072 : {
6073 1319 : const int nExtraSamples = l_nBands - nSamplesAccountedFor;
6074 :
6075 : uint16_t *v = static_cast<uint16_t *>(
6076 1319 : CPLMalloc(sizeof(uint16_t) * nExtraSamples));
6077 :
6078 1319 : v[0] = GTiffGetAlphaValue(CSLFetchNameValue(papszParamList, "ALPHA"),
6079 : EXTRASAMPLE_UNSPECIFIED);
6080 :
6081 297579 : for (int i = 1; i < nExtraSamples; ++i)
6082 296260 : v[i] = EXTRASAMPLE_UNSPECIFIED;
6083 :
6084 1319 : TIFFSetField(l_hTIFF, TIFFTAG_EXTRASAMPLES, nExtraSamples, v);
6085 :
6086 1319 : CPLFree(v);
6087 : }
6088 :
6089 : // Set the ICC color profile.
6090 9447 : if (eProfile != GTiffProfile::BASELINE)
6091 : {
6092 9422 : SaveICCProfile(nullptr, l_hTIFF, papszParamList, l_nBitsPerSample);
6093 : }
6094 :
6095 : // Set the compression method before asking the default strip size
6096 : // This is useful when translating to a JPEG-In-TIFF file where
6097 : // the default strip size is 8 or 16 depending on the photometric value.
6098 9447 : TIFFSetField(l_hTIFF, TIFFTAG_COMPRESSION, l_nCompression);
6099 :
6100 9447 : if (l_nCompression == COMPRESSION_LERC)
6101 : {
6102 : const char *pszCompress =
6103 97 : CSLFetchNameValueDef(papszParamList, "COMPRESS", "");
6104 97 : if (EQUAL(pszCompress, "LERC_DEFLATE"))
6105 : {
6106 16 : TIFFSetField(l_hTIFF, TIFFTAG_LERC_ADD_COMPRESSION,
6107 : LERC_ADD_COMPRESSION_DEFLATE);
6108 : }
6109 81 : else if (EQUAL(pszCompress, "LERC_ZSTD"))
6110 : {
6111 14 : if (TIFFSetField(l_hTIFF, TIFFTAG_LERC_ADD_COMPRESSION,
6112 14 : LERC_ADD_COMPRESSION_ZSTD) != 1)
6113 : {
6114 0 : XTIFFClose(l_hTIFF);
6115 0 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
6116 0 : return nullptr;
6117 : }
6118 : }
6119 : }
6120 : // TODO later: take into account LERC version
6121 :
6122 : /* -------------------------------------------------------------------- */
6123 : /* Setup tiling/stripping flags. */
6124 : /* -------------------------------------------------------------------- */
6125 9447 : if (bTiled)
6126 : {
6127 1354 : if (!TIFFSetField(l_hTIFF, TIFFTAG_TILEWIDTH, l_nBlockXSize) ||
6128 677 : !TIFFSetField(l_hTIFF, TIFFTAG_TILELENGTH, l_nBlockYSize))
6129 : {
6130 0 : XTIFFClose(l_hTIFF);
6131 0 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
6132 0 : return nullptr;
6133 : }
6134 : }
6135 : else
6136 : {
6137 8770 : const uint32_t l_nRowsPerStrip = std::min(
6138 : nYSize, l_nBlockYSize == 0
6139 8770 : ? static_cast<int>(TIFFDefaultStripSize(l_hTIFF, 0))
6140 8770 : : l_nBlockYSize);
6141 :
6142 8770 : TIFFSetField(l_hTIFF, TIFFTAG_ROWSPERSTRIP, l_nRowsPerStrip);
6143 : }
6144 :
6145 : /* -------------------------------------------------------------------- */
6146 : /* Set compression related tags. */
6147 : /* -------------------------------------------------------------------- */
6148 9447 : if (GTIFFSupportsPredictor(l_nCompression))
6149 859 : TIFFSetField(l_hTIFF, TIFFTAG_PREDICTOR, nPredictor);
6150 9447 : if (l_nCompression == COMPRESSION_ADOBE_DEFLATE ||
6151 : l_nCompression == COMPRESSION_LERC)
6152 : {
6153 276 : GTiffSetDeflateSubCodec(l_hTIFF);
6154 :
6155 276 : if (l_nZLevel != -1)
6156 22 : TIFFSetField(l_hTIFF, TIFFTAG_ZIPQUALITY, l_nZLevel);
6157 : }
6158 9447 : if (l_nCompression == COMPRESSION_JPEG && l_nJpegQuality != -1)
6159 1905 : TIFFSetField(l_hTIFF, TIFFTAG_JPEGQUALITY, l_nJpegQuality);
6160 9447 : if (l_nCompression == COMPRESSION_LZMA && l_nLZMAPreset != -1)
6161 10 : TIFFSetField(l_hTIFF, TIFFTAG_LZMAPRESET, l_nLZMAPreset);
6162 9447 : if ((l_nCompression == COMPRESSION_ZSTD ||
6163 153 : l_nCompression == COMPRESSION_LERC) &&
6164 : l_nZSTDLevel != -1)
6165 12 : TIFFSetField(l_hTIFF, TIFFTAG_ZSTD_LEVEL, l_nZSTDLevel);
6166 9447 : if (l_nCompression == COMPRESSION_LERC)
6167 : {
6168 97 : TIFFSetField(l_hTIFF, TIFFTAG_LERC_MAXZERROR, l_dfMaxZError);
6169 : }
6170 : #if HAVE_JXL
6171 9447 : if (l_nCompression == COMPRESSION_JXL ||
6172 : l_nCompression == COMPRESSION_JXL_DNG_1_7)
6173 : {
6174 101 : TIFFSetField(l_hTIFF, TIFFTAG_JXL_LOSSYNESS,
6175 : l_bJXLLossless ? JXL_LOSSLESS : JXL_LOSSY);
6176 101 : TIFFSetField(l_hTIFF, TIFFTAG_JXL_EFFORT, l_nJXLEffort);
6177 101 : TIFFSetField(l_hTIFF, TIFFTAG_JXL_DISTANCE, l_fJXLDistance);
6178 101 : TIFFSetField(l_hTIFF, TIFFTAG_JXL_ALPHA_DISTANCE, l_fJXLAlphaDistance);
6179 : }
6180 : #endif
6181 9447 : if (l_nCompression == COMPRESSION_WEBP)
6182 33 : TIFFSetField(l_hTIFF, TIFFTAG_WEBP_LEVEL, l_nWebPLevel);
6183 9447 : if (l_nCompression == COMPRESSION_WEBP && l_bWebPLossless)
6184 7 : TIFFSetField(l_hTIFF, TIFFTAG_WEBP_LOSSLESS, 1);
6185 :
6186 9447 : if (l_nCompression == COMPRESSION_JPEG)
6187 2087 : TIFFSetField(l_hTIFF, TIFFTAG_JPEGTABLESMODE, l_nJpegTablesMode);
6188 :
6189 : /* -------------------------------------------------------------------- */
6190 : /* If we forced production of a file with photometric=palette, */
6191 : /* we need to push out a default color table. */
6192 : /* -------------------------------------------------------------------- */
6193 9447 : if (bForceColorTable)
6194 : {
6195 4 : const int nColors = eType == GDT_Byte ? 256 : 65536;
6196 :
6197 : unsigned short *panTRed = static_cast<unsigned short *>(
6198 4 : CPLMalloc(sizeof(unsigned short) * nColors));
6199 : unsigned short *panTGreen = static_cast<unsigned short *>(
6200 4 : CPLMalloc(sizeof(unsigned short) * nColors));
6201 : unsigned short *panTBlue = static_cast<unsigned short *>(
6202 4 : CPLMalloc(sizeof(unsigned short) * nColors));
6203 :
6204 1028 : for (int iColor = 0; iColor < nColors; ++iColor)
6205 : {
6206 1024 : if (eType == GDT_Byte)
6207 : {
6208 1024 : panTRed[iColor] = GTiffDataset::ClampCTEntry(
6209 : iColor, 1, iColor, nColorTableMultiplier);
6210 1024 : panTGreen[iColor] = GTiffDataset::ClampCTEntry(
6211 : iColor, 2, iColor, nColorTableMultiplier);
6212 1024 : panTBlue[iColor] = GTiffDataset::ClampCTEntry(
6213 : iColor, 3, iColor, nColorTableMultiplier);
6214 : }
6215 : else
6216 : {
6217 0 : panTRed[iColor] = static_cast<unsigned short>(iColor);
6218 0 : panTGreen[iColor] = static_cast<unsigned short>(iColor);
6219 0 : panTBlue[iColor] = static_cast<unsigned short>(iColor);
6220 : }
6221 : }
6222 :
6223 4 : TIFFSetField(l_hTIFF, TIFFTAG_COLORMAP, panTRed, panTGreen, panTBlue);
6224 :
6225 4 : CPLFree(panTRed);
6226 4 : CPLFree(panTGreen);
6227 4 : CPLFree(panTBlue);
6228 : }
6229 :
6230 : // This trick
6231 : // creates a temporary in-memory file and fetches its JPEG tables so that
6232 : // we can directly set them, before tif_jpeg.c compute them at the first
6233 : // strip/tile writing, which is too late, since we have already crystalized
6234 : // the directory. This way we avoid a directory rewriting.
6235 11534 : if (l_nCompression == COMPRESSION_JPEG &&
6236 2087 : CPLTestBool(
6237 : CSLFetchNameValueDef(papszParamList, "WRITE_JPEGTABLE_TAG", "YES")))
6238 : {
6239 1014 : GTiffWriteJPEGTables(
6240 : l_hTIFF, CSLFetchNameValue(papszParamList, "PHOTOMETRIC"),
6241 : CSLFetchNameValue(papszParamList, "JPEG_QUALITY"),
6242 : CSLFetchNameValue(papszParamList, "JPEGTABLESMODE"));
6243 : }
6244 :
6245 9447 : *pfpL = l_fpL;
6246 :
6247 9447 : return l_hTIFF;
6248 : }
6249 :
6250 : /************************************************************************/
6251 : /* GuessJPEGQuality() */
6252 : /* */
6253 : /* Guess JPEG quality from JPEGTABLES tag. */
6254 : /************************************************************************/
6255 :
6256 3915 : static const GByte *GTIFFFindNextTable(const GByte *paby, GByte byMarker,
6257 : int nLen, int *pnLenTable)
6258 : {
6259 8097 : for (int i = 0; i + 1 < nLen;)
6260 : {
6261 8097 : if (paby[i] != 0xFF)
6262 0 : return nullptr;
6263 8097 : ++i;
6264 8097 : if (paby[i] == 0xD8)
6265 : {
6266 3156 : ++i;
6267 3156 : continue;
6268 : }
6269 4941 : if (i + 2 >= nLen)
6270 859 : return nullptr;
6271 4082 : int nMarkerLen = paby[i + 1] * 256 + paby[i + 2];
6272 4082 : if (i + 1 + nMarkerLen >= nLen)
6273 0 : return nullptr;
6274 4082 : if (paby[i] == byMarker)
6275 : {
6276 3056 : if (pnLenTable)
6277 2499 : *pnLenTable = nMarkerLen;
6278 3056 : return paby + i + 1;
6279 : }
6280 1026 : i += 1 + nMarkerLen;
6281 : }
6282 0 : return nullptr;
6283 : }
6284 :
6285 : constexpr GByte MARKER_HUFFMAN_TABLE = 0xC4;
6286 : constexpr GByte MARKER_QUANT_TABLE = 0xDB;
6287 :
6288 : // We assume that if there are several quantization tables, they are
6289 : // in the same order. Which is a reasonable assumption for updating
6290 : // a file generated by ourselves.
6291 904 : static bool GTIFFQuantizationTablesEqual(const GByte *paby1, int nLen1,
6292 : const GByte *paby2, int nLen2)
6293 : {
6294 904 : bool bFound = false;
6295 : while (true)
6296 : {
6297 945 : int nLenTable1 = 0;
6298 945 : int nLenTable2 = 0;
6299 : const GByte *paby1New =
6300 945 : GTIFFFindNextTable(paby1, MARKER_QUANT_TABLE, nLen1, &nLenTable1);
6301 : const GByte *paby2New =
6302 945 : GTIFFFindNextTable(paby2, MARKER_QUANT_TABLE, nLen2, &nLenTable2);
6303 945 : if (paby1New == nullptr && paby2New == nullptr)
6304 904 : return bFound;
6305 911 : if (paby1New == nullptr || paby2New == nullptr)
6306 0 : return false;
6307 911 : if (nLenTable1 != nLenTable2)
6308 207 : return false;
6309 704 : if (memcmp(paby1New, paby2New, nLenTable1) != 0)
6310 663 : return false;
6311 41 : paby1New += nLenTable1;
6312 41 : paby2New += nLenTable2;
6313 41 : nLen1 -= static_cast<int>(paby1New - paby1);
6314 41 : nLen2 -= static_cast<int>(paby2New - paby2);
6315 41 : paby1 = paby1New;
6316 41 : paby2 = paby2New;
6317 41 : bFound = true;
6318 41 : }
6319 : }
6320 :
6321 : // Guess the JPEG quality by comparing against the MD5Sum of precomputed
6322 : // quantization tables
6323 422 : static int GuessJPEGQualityFromMD5(const uint8_t md5JPEGQuantTable[][16],
6324 : const GByte *const pabyJPEGTable,
6325 : int nJPEGTableSize)
6326 : {
6327 422 : int nRemainingLen = nJPEGTableSize;
6328 422 : const GByte *pabyCur = pabyJPEGTable;
6329 :
6330 : struct CPLMD5Context context;
6331 422 : CPLMD5Init(&context);
6332 :
6333 : while (true)
6334 : {
6335 1099 : int nLenTable = 0;
6336 1099 : const GByte *pabyNew = GTIFFFindNextTable(pabyCur, MARKER_QUANT_TABLE,
6337 : nRemainingLen, &nLenTable);
6338 1099 : if (pabyNew == nullptr)
6339 422 : break;
6340 677 : CPLMD5Update(&context, pabyNew, nLenTable);
6341 677 : pabyNew += nLenTable;
6342 677 : nRemainingLen -= static_cast<int>(pabyNew - pabyCur);
6343 677 : pabyCur = pabyNew;
6344 677 : }
6345 :
6346 : GByte digest[16];
6347 422 : CPLMD5Final(digest, &context);
6348 :
6349 29821 : for (int i = 0; i < 100; i++)
6350 : {
6351 29818 : if (memcmp(md5JPEGQuantTable[i], digest, 16) == 0)
6352 : {
6353 419 : return i + 1;
6354 : }
6355 : }
6356 3 : return -1;
6357 : }
6358 :
6359 477 : int GTiffDataset::GuessJPEGQuality(bool &bOutHasQuantizationTable,
6360 : bool &bOutHasHuffmanTable)
6361 : {
6362 477 : CPLAssert(m_nCompression == COMPRESSION_JPEG);
6363 477 : uint32_t nJPEGTableSize = 0;
6364 477 : void *pJPEGTable = nullptr;
6365 477 : if (!TIFFGetField(m_hTIFF, TIFFTAG_JPEGTABLES, &nJPEGTableSize,
6366 : &pJPEGTable))
6367 : {
6368 14 : bOutHasQuantizationTable = false;
6369 14 : bOutHasHuffmanTable = false;
6370 14 : return -1;
6371 : }
6372 :
6373 463 : bOutHasQuantizationTable =
6374 463 : GTIFFFindNextTable(static_cast<const GByte *>(pJPEGTable),
6375 : MARKER_QUANT_TABLE, nJPEGTableSize,
6376 463 : nullptr) != nullptr;
6377 463 : bOutHasHuffmanTable =
6378 463 : GTIFFFindNextTable(static_cast<const GByte *>(pJPEGTable),
6379 : MARKER_HUFFMAN_TABLE, nJPEGTableSize,
6380 463 : nullptr) != nullptr;
6381 463 : if (!bOutHasQuantizationTable)
6382 7 : return -1;
6383 :
6384 456 : if ((nBands == 1 && m_nBitsPerSample == 8) ||
6385 395 : (nBands == 3 && m_nBitsPerSample == 8 &&
6386 349 : m_nPhotometric == PHOTOMETRIC_RGB) ||
6387 301 : (nBands == 4 && m_nBitsPerSample == 8 &&
6388 27 : m_nPhotometric == PHOTOMETRIC_SEPARATED))
6389 : {
6390 167 : return GuessJPEGQualityFromMD5(md5JPEGQuantTable_generic_8bit,
6391 : static_cast<const GByte *>(pJPEGTable),
6392 167 : static_cast<int>(nJPEGTableSize));
6393 : }
6394 :
6395 289 : if (nBands == 3 && m_nBitsPerSample == 8 &&
6396 255 : m_nPhotometric == PHOTOMETRIC_YCBCR)
6397 : {
6398 : int nRet =
6399 255 : GuessJPEGQualityFromMD5(md5JPEGQuantTable_3_YCBCR_8bit,
6400 : static_cast<const GByte *>(pJPEGTable),
6401 : static_cast<int>(nJPEGTableSize));
6402 255 : if (nRet < 0)
6403 : {
6404 : // libjpeg 9e has modified the YCbCr quantization tables.
6405 : nRet =
6406 0 : GuessJPEGQualityFromMD5(md5JPEGQuantTable_3_YCBCR_8bit_jpeg9e,
6407 : static_cast<const GByte *>(pJPEGTable),
6408 : static_cast<int>(nJPEGTableSize));
6409 : }
6410 255 : return nRet;
6411 : }
6412 :
6413 34 : char **papszLocalParameters = nullptr;
6414 : papszLocalParameters =
6415 34 : CSLSetNameValue(papszLocalParameters, "COMPRESS", "JPEG");
6416 34 : if (m_nPhotometric == PHOTOMETRIC_YCBCR)
6417 : papszLocalParameters =
6418 7 : CSLSetNameValue(papszLocalParameters, "PHOTOMETRIC", "YCBCR");
6419 27 : else if (m_nPhotometric == PHOTOMETRIC_SEPARATED)
6420 : papszLocalParameters =
6421 0 : CSLSetNameValue(papszLocalParameters, "PHOTOMETRIC", "CMYK");
6422 : papszLocalParameters =
6423 34 : CSLSetNameValue(papszLocalParameters, "BLOCKYSIZE", "16");
6424 34 : if (m_nBitsPerSample == 12)
6425 : papszLocalParameters =
6426 16 : CSLSetNameValue(papszLocalParameters, "NBITS", "12");
6427 :
6428 : const CPLString osTmpFilenameIn(
6429 34 : VSIMemGenerateHiddenFilename("gtiffdataset_guess_jpeg_quality_tmp"));
6430 :
6431 34 : int nRet = -1;
6432 938 : for (int nQuality = 0; nQuality <= 100 && nRet < 0; ++nQuality)
6433 : {
6434 904 : VSILFILE *fpTmp = nullptr;
6435 904 : if (nQuality == 0)
6436 : papszLocalParameters =
6437 34 : CSLSetNameValue(papszLocalParameters, "JPEG_QUALITY", "75");
6438 : else
6439 : papszLocalParameters =
6440 870 : CSLSetNameValue(papszLocalParameters, "JPEG_QUALITY",
6441 : CPLSPrintf("%d", nQuality));
6442 :
6443 904 : CPLPushErrorHandler(CPLQuietErrorHandler);
6444 904 : CPLString osTmp;
6445 : bool bTileInterleaving;
6446 1808 : TIFF *hTIFFTmp = CreateLL(
6447 904 : osTmpFilenameIn, 16, 16, (nBands <= 4) ? nBands : 1,
6448 : GetRasterBand(1)->GetRasterDataType(), 0.0, 0, papszLocalParameters,
6449 : &fpTmp, osTmp, /* bCreateCopy=*/false, bTileInterleaving);
6450 904 : CPLPopErrorHandler();
6451 904 : if (!hTIFFTmp)
6452 : {
6453 0 : break;
6454 : }
6455 :
6456 904 : TIFFWriteCheck(hTIFFTmp, FALSE, "CreateLL");
6457 904 : TIFFWriteDirectory(hTIFFTmp);
6458 904 : TIFFSetDirectory(hTIFFTmp, 0);
6459 : // Now reset jpegcolormode.
6460 1196 : if (m_nPhotometric == PHOTOMETRIC_YCBCR &&
6461 292 : CPLTestBool(CPLGetConfigOption("CONVERT_YCBCR_TO_RGB", "YES")))
6462 : {
6463 292 : TIFFSetField(hTIFFTmp, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB);
6464 : }
6465 :
6466 904 : GByte abyZeroData[(16 * 16 * 4 * 3) / 2] = {};
6467 904 : const int nBlockSize =
6468 904 : (16 * 16 * ((nBands <= 4) ? nBands : 1) * m_nBitsPerSample) / 8;
6469 904 : TIFFWriteEncodedStrip(hTIFFTmp, 0, abyZeroData, nBlockSize);
6470 :
6471 904 : uint32_t nJPEGTableSizeTry = 0;
6472 904 : void *pJPEGTableTry = nullptr;
6473 904 : if (TIFFGetField(hTIFFTmp, TIFFTAG_JPEGTABLES, &nJPEGTableSizeTry,
6474 904 : &pJPEGTableTry))
6475 : {
6476 904 : if (GTIFFQuantizationTablesEqual(
6477 : static_cast<GByte *>(pJPEGTable), nJPEGTableSize,
6478 : static_cast<GByte *>(pJPEGTableTry), nJPEGTableSizeTry))
6479 : {
6480 34 : nRet = (nQuality == 0) ? 75 : nQuality;
6481 : }
6482 : }
6483 :
6484 904 : XTIFFClose(hTIFFTmp);
6485 904 : CPL_IGNORE_RET_VAL(VSIFCloseL(fpTmp));
6486 : }
6487 :
6488 34 : CSLDestroy(papszLocalParameters);
6489 34 : VSIUnlink(osTmpFilenameIn);
6490 :
6491 34 : return nRet;
6492 : }
6493 :
6494 : /************************************************************************/
6495 : /* SetJPEGQualityAndTablesModeFromFile() */
6496 : /************************************************************************/
6497 :
6498 165 : void GTiffDataset::SetJPEGQualityAndTablesModeFromFile(
6499 : int nQuality, bool bHasQuantizationTable, bool bHasHuffmanTable)
6500 : {
6501 165 : if (nQuality > 0)
6502 : {
6503 158 : CPLDebug("GTiff", "Guessed JPEG quality to be %d", nQuality);
6504 158 : m_nJpegQuality = static_cast<signed char>(nQuality);
6505 158 : TIFFSetField(m_hTIFF, TIFFTAG_JPEGQUALITY, nQuality);
6506 :
6507 : // This means we will use the quantization tables from the
6508 : // JpegTables tag.
6509 158 : m_nJpegTablesMode = JPEGTABLESMODE_QUANT;
6510 : }
6511 : else
6512 : {
6513 7 : uint32_t nJPEGTableSize = 0;
6514 7 : void *pJPEGTable = nullptr;
6515 7 : if (!TIFFGetField(m_hTIFF, TIFFTAG_JPEGTABLES, &nJPEGTableSize,
6516 : &pJPEGTable))
6517 : {
6518 4 : toff_t *panByteCounts = nullptr;
6519 8 : const int nBlockCount = m_nPlanarConfig == PLANARCONFIG_SEPARATE
6520 4 : ? m_nBlocksPerBand * nBands
6521 : : m_nBlocksPerBand;
6522 4 : if (TIFFIsTiled(m_hTIFF))
6523 1 : TIFFGetField(m_hTIFF, TIFFTAG_TILEBYTECOUNTS, &panByteCounts);
6524 : else
6525 3 : TIFFGetField(m_hTIFF, TIFFTAG_STRIPBYTECOUNTS, &panByteCounts);
6526 :
6527 4 : bool bFoundNonEmptyBlock = false;
6528 4 : if (panByteCounts != nullptr)
6529 : {
6530 56 : for (int iBlock = 0; iBlock < nBlockCount; ++iBlock)
6531 : {
6532 53 : if (panByteCounts[iBlock] != 0)
6533 : {
6534 1 : bFoundNonEmptyBlock = true;
6535 1 : break;
6536 : }
6537 : }
6538 : }
6539 4 : if (bFoundNonEmptyBlock)
6540 : {
6541 1 : CPLDebug("GTiff", "Could not guess JPEG quality. "
6542 : "JPEG tables are missing, so going in "
6543 : "TIFFTAG_JPEGTABLESMODE = 0/2 mode");
6544 : // Write quantization tables in each strile.
6545 1 : m_nJpegTablesMode = 0;
6546 : }
6547 : }
6548 : else
6549 : {
6550 3 : if (bHasQuantizationTable)
6551 : {
6552 : // FIXME in libtiff: this is likely going to cause issues
6553 : // since libtiff will reuse in each strile the number of
6554 : // the global quantization table, which is invalid.
6555 1 : CPLDebug("GTiff",
6556 : "Could not guess JPEG quality although JPEG "
6557 : "quantization tables are present, so going in "
6558 : "TIFFTAG_JPEGTABLESMODE = 0/2 mode");
6559 : }
6560 : else
6561 : {
6562 2 : CPLDebug("GTiff",
6563 : "Could not guess JPEG quality since JPEG "
6564 : "quantization tables are not present, so going in "
6565 : "TIFFTAG_JPEGTABLESMODE = 0/2 mode");
6566 : }
6567 :
6568 : // Write quantization tables in each strile.
6569 3 : m_nJpegTablesMode = 0;
6570 : }
6571 : }
6572 165 : if (bHasHuffmanTable)
6573 : {
6574 : // If there are Huffman tables in header use them, otherwise
6575 : // if we use optimized tables, libtiff will currently reuse
6576 : // the number of the Huffman tables of the header for the
6577 : // optimized version of each strile, which is illegal.
6578 23 : m_nJpegTablesMode |= JPEGTABLESMODE_HUFF;
6579 : }
6580 165 : if (m_nJpegTablesMode >= 0)
6581 163 : TIFFSetField(m_hTIFF, TIFFTAG_JPEGTABLESMODE, m_nJpegTablesMode);
6582 165 : }
6583 :
6584 : /************************************************************************/
6585 : /* Create() */
6586 : /* */
6587 : /* Create a new GeoTIFF or TIFF file. */
6588 : /************************************************************************/
6589 :
6590 5492 : GDALDataset *GTiffDataset::Create(const char *pszFilename, int nXSize,
6591 : int nYSize, int l_nBands, GDALDataType eType,
6592 : char **papszParamList)
6593 :
6594 : {
6595 5492 : VSILFILE *l_fpL = nullptr;
6596 10985 : CPLString l_osTmpFilename;
6597 :
6598 : const int nColorTableMultiplier = std::max(
6599 10986 : 1,
6600 10986 : std::min(257,
6601 5493 : atoi(CSLFetchNameValueDef(
6602 : papszParamList, "COLOR_TABLE_MULTIPLIER",
6603 5493 : CPLSPrintf("%d", DEFAULT_COLOR_TABLE_MULTIPLIER_257)))));
6604 :
6605 : /* -------------------------------------------------------------------- */
6606 : /* Create the underlying TIFF file. */
6607 : /* -------------------------------------------------------------------- */
6608 : bool bTileInterleaving;
6609 : TIFF *l_hTIFF =
6610 5493 : CreateLL(pszFilename, nXSize, nYSize, l_nBands, eType, 0,
6611 : nColorTableMultiplier, papszParamList, &l_fpL, l_osTmpFilename,
6612 : /* bCreateCopy=*/false, bTileInterleaving);
6613 5493 : const bool bStreaming = !l_osTmpFilename.empty();
6614 :
6615 5493 : if (l_hTIFF == nullptr)
6616 37 : return nullptr;
6617 :
6618 : /* -------------------------------------------------------------------- */
6619 : /* Create the new GTiffDataset object. */
6620 : /* -------------------------------------------------------------------- */
6621 5456 : GTiffDataset *poDS = new GTiffDataset();
6622 5456 : poDS->m_hTIFF = l_hTIFF;
6623 5456 : poDS->m_fpL = l_fpL;
6624 5456 : if (bStreaming)
6625 : {
6626 4 : poDS->m_bStreamingOut = true;
6627 4 : poDS->m_pszTmpFilename = CPLStrdup(l_osTmpFilename);
6628 4 : poDS->m_fpToWrite = VSIFOpenL(pszFilename, "wb");
6629 4 : if (poDS->m_fpToWrite == nullptr)
6630 : {
6631 1 : VSIUnlink(l_osTmpFilename);
6632 1 : delete poDS;
6633 1 : return nullptr;
6634 : }
6635 : }
6636 5455 : poDS->nRasterXSize = nXSize;
6637 5455 : poDS->nRasterYSize = nYSize;
6638 5455 : poDS->eAccess = GA_Update;
6639 :
6640 5455 : poDS->m_nColorTableMultiplier = nColorTableMultiplier;
6641 :
6642 5455 : poDS->m_bCrystalized = false;
6643 5455 : poDS->m_nSamplesPerPixel = static_cast<uint16_t>(l_nBands);
6644 5455 : poDS->m_pszFilename = CPLStrdup(pszFilename);
6645 :
6646 : // Don't try to load external metadata files (#6597).
6647 5455 : poDS->m_bIMDRPCMetadataLoaded = true;
6648 :
6649 : // Avoid premature crystalization that will cause directory re-writing if
6650 : // GetProjectionRef() or GetGeoTransform() are called on the newly created
6651 : // GeoTIFF.
6652 5455 : poDS->m_bLookedForProjection = true;
6653 :
6654 5455 : TIFFGetField(l_hTIFF, TIFFTAG_SAMPLEFORMAT, &(poDS->m_nSampleFormat));
6655 5454 : TIFFGetField(l_hTIFF, TIFFTAG_PLANARCONFIG, &(poDS->m_nPlanarConfig));
6656 : // Weird that we need this, but otherwise we get a Valgrind warning on
6657 : // tiff_write_124.
6658 5454 : if (!TIFFGetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, &(poDS->m_nPhotometric)))
6659 1 : poDS->m_nPhotometric = PHOTOMETRIC_MINISBLACK;
6660 5454 : TIFFGetField(l_hTIFF, TIFFTAG_BITSPERSAMPLE, &(poDS->m_nBitsPerSample));
6661 5454 : TIFFGetField(l_hTIFF, TIFFTAG_COMPRESSION, &(poDS->m_nCompression));
6662 :
6663 5455 : if (TIFFIsTiled(l_hTIFF))
6664 : {
6665 340 : TIFFGetField(l_hTIFF, TIFFTAG_TILEWIDTH, &(poDS->m_nBlockXSize));
6666 340 : TIFFGetField(l_hTIFF, TIFFTAG_TILELENGTH, &(poDS->m_nBlockYSize));
6667 : }
6668 : else
6669 : {
6670 5114 : if (!TIFFGetField(l_hTIFF, TIFFTAG_ROWSPERSTRIP,
6671 : &(poDS->m_nRowsPerStrip)))
6672 0 : poDS->m_nRowsPerStrip = 1; // Dummy value.
6673 :
6674 5114 : poDS->m_nBlockXSize = nXSize;
6675 5114 : poDS->m_nBlockYSize =
6676 5114 : std::min(static_cast<int>(poDS->m_nRowsPerStrip), nYSize);
6677 : }
6678 :
6679 5455 : if (!poDS->ComputeBlocksPerColRowAndBand(l_nBands))
6680 : {
6681 0 : delete poDS;
6682 0 : return nullptr;
6683 : }
6684 :
6685 5455 : poDS->m_eProfile = GetProfile(CSLFetchNameValue(papszParamList, "PROFILE"));
6686 :
6687 : /* -------------------------------------------------------------------- */
6688 : /* YCbCr JPEG compressed images should be translated on the fly */
6689 : /* to RGB by libtiff/libjpeg unless specifically requested */
6690 : /* otherwise. */
6691 : /* -------------------------------------------------------------------- */
6692 10944 : if (poDS->m_nCompression == COMPRESSION_JPEG &&
6693 5476 : poDS->m_nPhotometric == PHOTOMETRIC_YCBCR &&
6694 21 : CPLTestBool(CPLGetConfigOption("CONVERT_YCBCR_TO_RGB", "YES")))
6695 : {
6696 21 : int nColorMode = 0;
6697 :
6698 21 : poDS->SetMetadataItem("SOURCE_COLOR_SPACE", "YCbCr", "IMAGE_STRUCTURE");
6699 42 : if (!TIFFGetField(l_hTIFF, TIFFTAG_JPEGCOLORMODE, &nColorMode) ||
6700 21 : nColorMode != JPEGCOLORMODE_RGB)
6701 21 : TIFFSetField(l_hTIFF, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB);
6702 : }
6703 :
6704 5455 : if (poDS->m_nCompression == COMPRESSION_LERC)
6705 : {
6706 26 : uint32_t nLercParamCount = 0;
6707 26 : uint32_t *panLercParams = nullptr;
6708 26 : if (TIFFGetField(l_hTIFF, TIFFTAG_LERC_PARAMETERS, &nLercParamCount,
6709 52 : &panLercParams) &&
6710 26 : nLercParamCount == 2)
6711 : {
6712 26 : memcpy(poDS->m_anLercAddCompressionAndVersion, panLercParams,
6713 : sizeof(poDS->m_anLercAddCompressionAndVersion));
6714 : }
6715 : }
6716 :
6717 : /* -------------------------------------------------------------------- */
6718 : /* Read palette back as a color table if it has one. */
6719 : /* -------------------------------------------------------------------- */
6720 5455 : unsigned short *panRed = nullptr;
6721 5455 : unsigned short *panGreen = nullptr;
6722 5455 : unsigned short *panBlue = nullptr;
6723 :
6724 5459 : if (poDS->m_nPhotometric == PHOTOMETRIC_PALETTE &&
6725 4 : TIFFGetField(l_hTIFF, TIFFTAG_COLORMAP, &panRed, &panGreen, &panBlue))
6726 : {
6727 :
6728 4 : poDS->m_poColorTable = std::make_unique<GDALColorTable>();
6729 :
6730 4 : const int nColorCount = 1 << poDS->m_nBitsPerSample;
6731 :
6732 1028 : for (int iColor = nColorCount - 1; iColor >= 0; iColor--)
6733 : {
6734 1024 : const GDALColorEntry oEntry = {
6735 1024 : static_cast<short>(panRed[iColor] / nColorTableMultiplier),
6736 1024 : static_cast<short>(panGreen[iColor] / nColorTableMultiplier),
6737 1024 : static_cast<short>(panBlue[iColor] / nColorTableMultiplier),
6738 1024 : static_cast<short>(255)};
6739 :
6740 1024 : poDS->m_poColorTable->SetColorEntry(iColor, &oEntry);
6741 : }
6742 : }
6743 :
6744 : /* -------------------------------------------------------------------- */
6745 : /* Do we want to ensure all blocks get written out on close to */
6746 : /* avoid sparse files? */
6747 : /* -------------------------------------------------------------------- */
6748 5455 : if (!CPLFetchBool(papszParamList, "SPARSE_OK", false))
6749 5344 : poDS->m_bFillEmptyTilesAtClosing = true;
6750 :
6751 5454 : poDS->m_bWriteEmptyTiles =
6752 6217 : bStreaming || (poDS->m_nCompression != COMPRESSION_NONE &&
6753 763 : poDS->m_bFillEmptyTilesAtClosing);
6754 : // Only required for people writing non-compressed striped files in the
6755 : // right order and wanting all tstrips to be written in the same order
6756 : // so that the end result can be memory mapped without knowledge of each
6757 : // strip offset.
6758 5454 : if (CPLTestBool(CSLFetchNameValueDef(
6759 10910 : papszParamList, "WRITE_EMPTY_TILES_SYNCHRONOUSLY", "FALSE")) ||
6760 5455 : CPLTestBool(CSLFetchNameValueDef(
6761 : papszParamList, "@WRITE_EMPTY_TILES_SYNCHRONOUSLY", "FALSE")))
6762 : {
6763 19 : poDS->m_bWriteEmptyTiles = true;
6764 : }
6765 :
6766 : /* -------------------------------------------------------------------- */
6767 : /* Preserve creation options for consulting later (for instance */
6768 : /* to decide if a TFW file should be written). */
6769 : /* -------------------------------------------------------------------- */
6770 5455 : poDS->m_papszCreationOptions = CSLDuplicate(papszParamList);
6771 :
6772 5455 : poDS->m_nZLevel = GTiffGetZLevel(papszParamList);
6773 5455 : poDS->m_nLZMAPreset = GTiffGetLZMAPreset(papszParamList);
6774 5455 : poDS->m_nZSTDLevel = GTiffGetZSTDPreset(papszParamList);
6775 5455 : poDS->m_nWebPLevel = GTiffGetWebPLevel(papszParamList);
6776 5455 : poDS->m_bWebPLossless = GTiffGetWebPLossless(papszParamList);
6777 5457 : if (poDS->m_nWebPLevel != 100 && poDS->m_bWebPLossless &&
6778 2 : CSLFetchNameValue(papszParamList, "WEBP_LEVEL"))
6779 : {
6780 0 : CPLError(CE_Warning, CPLE_AppDefined,
6781 : "WEBP_LEVEL is specified, but WEBP_LOSSLESS=YES. "
6782 : "WEBP_LEVEL will be ignored.");
6783 : }
6784 5455 : poDS->m_nJpegQuality = GTiffGetJpegQuality(papszParamList);
6785 5455 : poDS->m_nJpegTablesMode = GTiffGetJpegTablesMode(papszParamList);
6786 5455 : poDS->m_dfMaxZError = GTiffGetLERCMaxZError(papszParamList);
6787 5455 : poDS->m_dfMaxZErrorOverview = GTiffGetLERCMaxZErrorOverview(papszParamList);
6788 : #if HAVE_JXL
6789 5455 : poDS->m_bJXLLossless = GTiffGetJXLLossless(papszParamList);
6790 5455 : poDS->m_nJXLEffort = GTiffGetJXLEffort(papszParamList);
6791 5455 : poDS->m_fJXLDistance = GTiffGetJXLDistance(papszParamList);
6792 5455 : poDS->m_fJXLAlphaDistance = GTiffGetJXLAlphaDistance(papszParamList);
6793 : #endif
6794 5455 : poDS->InitCreationOrOpenOptions(true, papszParamList);
6795 :
6796 : /* -------------------------------------------------------------------- */
6797 : /* Create band information objects. */
6798 : /* -------------------------------------------------------------------- */
6799 307654 : for (int iBand = 0; iBand < l_nBands; ++iBand)
6800 : {
6801 302199 : if (poDS->m_nBitsPerSample == 8 || poDS->m_nBitsPerSample == 16 ||
6802 2584 : poDS->m_nBitsPerSample == 32 || poDS->m_nBitsPerSample == 64 ||
6803 237 : poDS->m_nBitsPerSample == 128)
6804 : {
6805 302134 : poDS->SetBand(iBand + 1, new GTiffRasterBand(poDS, iBand + 1));
6806 : }
6807 : else
6808 : {
6809 65 : poDS->SetBand(iBand + 1, new GTiffOddBitsBand(poDS, iBand + 1));
6810 130 : poDS->GetRasterBand(iBand + 1)->SetMetadataItem(
6811 130 : "NBITS", CPLString().Printf("%d", poDS->m_nBitsPerSample),
6812 65 : "IMAGE_STRUCTURE");
6813 : }
6814 : }
6815 :
6816 5455 : poDS->GetDiscardLsbOption(papszParamList);
6817 :
6818 5455 : if (poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG && l_nBands != 1)
6819 785 : poDS->SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");
6820 : else
6821 4670 : poDS->SetMetadataItem("INTERLEAVE", "BAND", "IMAGE_STRUCTURE");
6822 :
6823 5455 : poDS->oOvManager.Initialize(poDS, pszFilename);
6824 :
6825 5455 : return poDS;
6826 : }
6827 :
6828 : /************************************************************************/
6829 : /* CopyImageryAndMask() */
6830 : /************************************************************************/
6831 :
6832 302 : CPLErr GTiffDataset::CopyImageryAndMask(GTiffDataset *poDstDS,
6833 : GDALDataset *poSrcDS,
6834 : GDALRasterBand *poSrcMaskBand,
6835 : GDALProgressFunc pfnProgress,
6836 : void *pProgressData)
6837 : {
6838 302 : CPLErr eErr = CE_None;
6839 :
6840 302 : const auto eType = poDstDS->GetRasterBand(1)->GetRasterDataType();
6841 302 : const int nDataTypeSize = GDALGetDataTypeSizeBytes(eType);
6842 302 : const int l_nBands = poDstDS->GetRasterCount();
6843 : GByte *pBlockBuffer = static_cast<GByte *>(
6844 302 : VSI_MALLOC3_VERBOSE(poDstDS->m_nBlockXSize, poDstDS->m_nBlockYSize,
6845 : cpl::fits_on<int>(l_nBands * nDataTypeSize)));
6846 302 : if (pBlockBuffer == nullptr)
6847 : {
6848 0 : eErr = CE_Failure;
6849 : }
6850 302 : const int nYSize = poDstDS->nRasterYSize;
6851 302 : const int nXSize = poDstDS->nRasterXSize;
6852 : const bool bIsOddBand =
6853 302 : dynamic_cast<GTiffOddBitsBand *>(poDstDS->GetRasterBand(1)) != nullptr;
6854 :
6855 302 : if (poDstDS->m_poMaskDS)
6856 : {
6857 63 : CPLAssert(poDstDS->m_poMaskDS->m_nBlockXSize == poDstDS->m_nBlockXSize);
6858 63 : CPLAssert(poDstDS->m_poMaskDS->m_nBlockYSize == poDstDS->m_nBlockYSize);
6859 : }
6860 :
6861 302 : if (poDstDS->m_nPlanarConfig == PLANARCONFIG_SEPARATE &&
6862 58 : !poDstDS->m_bTileInterleave)
6863 : {
6864 45 : int iBlock = 0;
6865 90 : const int nBlocks = poDstDS->m_nBlocksPerBand *
6866 45 : (l_nBands + (poDstDS->m_poMaskDS ? 1 : 0));
6867 195 : for (int i = 0; eErr == CE_None && i < l_nBands; i++)
6868 : {
6869 345 : for (int iY = 0, nYBlock = 0; iY < nYSize && eErr == CE_None;
6870 195 : iY = ((nYSize - iY < poDstDS->m_nBlockYSize)
6871 195 : ? nYSize
6872 59 : : iY + poDstDS->m_nBlockYSize),
6873 : nYBlock++)
6874 : {
6875 : const int nReqYSize =
6876 195 : std::min(nYSize - iY, poDstDS->m_nBlockYSize);
6877 495 : for (int iX = 0, nXBlock = 0; iX < nXSize && eErr == CE_None;
6878 300 : iX = ((nXSize - iX < poDstDS->m_nBlockXSize)
6879 300 : ? nXSize
6880 155 : : iX + poDstDS->m_nBlockXSize),
6881 : nXBlock++)
6882 : {
6883 : const int nReqXSize =
6884 300 : std::min(nXSize - iX, poDstDS->m_nBlockXSize);
6885 300 : if (nReqXSize < poDstDS->m_nBlockXSize ||
6886 155 : nReqYSize < poDstDS->m_nBlockYSize)
6887 : {
6888 190 : memset(pBlockBuffer, 0,
6889 190 : static_cast<size_t>(poDstDS->m_nBlockXSize) *
6890 190 : poDstDS->m_nBlockYSize * nDataTypeSize);
6891 : }
6892 300 : eErr = poSrcDS->GetRasterBand(i + 1)->RasterIO(
6893 : GF_Read, iX, iY, nReqXSize, nReqYSize, pBlockBuffer,
6894 : nReqXSize, nReqYSize, eType, nDataTypeSize,
6895 300 : static_cast<GSpacing>(nDataTypeSize) *
6896 300 : poDstDS->m_nBlockXSize,
6897 : nullptr);
6898 300 : if (eErr == CE_None)
6899 : {
6900 300 : eErr = poDstDS->WriteEncodedTileOrStrip(
6901 : iBlock, pBlockBuffer, false);
6902 : }
6903 :
6904 300 : iBlock++;
6905 600 : if (pfnProgress &&
6906 300 : !pfnProgress(static_cast<double>(iBlock) / nBlocks,
6907 : nullptr, pProgressData))
6908 : {
6909 0 : eErr = CE_Failure;
6910 : }
6911 :
6912 300 : if (poDstDS->m_bWriteError)
6913 0 : eErr = CE_Failure;
6914 : }
6915 : }
6916 : }
6917 45 : if (poDstDS->m_poMaskDS && eErr == CE_None)
6918 : {
6919 6 : int iBlockMask = 0;
6920 17 : for (int iY = 0, nYBlock = 0; iY < nYSize && eErr == CE_None;
6921 11 : iY = ((nYSize - iY < poDstDS->m_nBlockYSize)
6922 11 : ? nYSize
6923 5 : : iY + poDstDS->m_nBlockYSize),
6924 : nYBlock++)
6925 : {
6926 : const int nReqYSize =
6927 11 : std::min(nYSize - iY, poDstDS->m_nBlockYSize);
6928 49 : for (int iX = 0, nXBlock = 0; iX < nXSize && eErr == CE_None;
6929 38 : iX = ((nXSize - iX < poDstDS->m_nBlockXSize)
6930 38 : ? nXSize
6931 30 : : iX + poDstDS->m_nBlockXSize),
6932 : nXBlock++)
6933 : {
6934 : const int nReqXSize =
6935 38 : std::min(nXSize - iX, poDstDS->m_nBlockXSize);
6936 38 : if (nReqXSize < poDstDS->m_nBlockXSize ||
6937 30 : nReqYSize < poDstDS->m_nBlockYSize)
6938 : {
6939 16 : memset(pBlockBuffer, 0,
6940 16 : static_cast<size_t>(poDstDS->m_nBlockXSize) *
6941 16 : poDstDS->m_nBlockYSize);
6942 : }
6943 76 : eErr = poSrcMaskBand->RasterIO(
6944 : GF_Read, iX, iY, nReqXSize, nReqYSize, pBlockBuffer,
6945 : nReqXSize, nReqYSize, GDT_Byte, 1,
6946 38 : poDstDS->m_nBlockXSize, nullptr);
6947 38 : if (eErr == CE_None)
6948 : {
6949 : // Avoid any attempt to load from disk
6950 38 : poDstDS->m_poMaskDS->m_nLoadedBlock = iBlockMask;
6951 : eErr =
6952 38 : poDstDS->m_poMaskDS->GetRasterBand(1)->WriteBlock(
6953 : nXBlock, nYBlock, pBlockBuffer);
6954 38 : if (eErr == CE_None)
6955 38 : eErr = poDstDS->m_poMaskDS->FlushBlockBuf();
6956 : }
6957 :
6958 38 : iBlockMask++;
6959 76 : if (pfnProgress &&
6960 38 : !pfnProgress(static_cast<double>(iBlock + iBlockMask) /
6961 : nBlocks,
6962 : nullptr, pProgressData))
6963 : {
6964 0 : eErr = CE_Failure;
6965 : }
6966 :
6967 38 : if (poDstDS->m_poMaskDS->m_bWriteError)
6968 0 : eErr = CE_Failure;
6969 : }
6970 : }
6971 45 : }
6972 : }
6973 : else
6974 : {
6975 257 : int iBlock = 0;
6976 257 : const int nBlocks = poDstDS->m_nBlocksPerBand;
6977 7005 : for (int iY = 0, nYBlock = 0; iY < nYSize && eErr == CE_None;
6978 6748 : iY = ((nYSize - iY < poDstDS->m_nBlockYSize)
6979 6748 : ? nYSize
6980 6566 : : iY + poDstDS->m_nBlockYSize),
6981 : nYBlock++)
6982 : {
6983 6748 : const int nReqYSize = std::min(nYSize - iY, poDstDS->m_nBlockYSize);
6984 26405 : for (int iX = 0, nXBlock = 0; iX < nXSize && eErr == CE_None;
6985 19657 : iX = ((nXSize - iX < poDstDS->m_nBlockXSize)
6986 19657 : ? nXSize
6987 19404 : : iX + poDstDS->m_nBlockXSize),
6988 : nXBlock++)
6989 : {
6990 : const int nReqXSize =
6991 19657 : std::min(nXSize - iX, poDstDS->m_nBlockXSize);
6992 19657 : if (nReqXSize < poDstDS->m_nBlockXSize ||
6993 19404 : nReqYSize < poDstDS->m_nBlockYSize)
6994 : {
6995 413 : memset(pBlockBuffer, 0,
6996 413 : static_cast<size_t>(poDstDS->m_nBlockXSize) *
6997 413 : poDstDS->m_nBlockYSize * l_nBands *
6998 413 : nDataTypeSize);
6999 : }
7000 :
7001 19657 : if (poDstDS->m_bTileInterleave)
7002 : {
7003 114 : eErr = poSrcDS->RasterIO(
7004 : GF_Read, iX, iY, nReqXSize, nReqYSize, pBlockBuffer,
7005 : nReqXSize, nReqYSize, eType, l_nBands, nullptr,
7006 : nDataTypeSize,
7007 57 : static_cast<GSpacing>(nDataTypeSize) *
7008 57 : poDstDS->m_nBlockXSize,
7009 57 : static_cast<GSpacing>(nDataTypeSize) *
7010 57 : poDstDS->m_nBlockXSize * poDstDS->m_nBlockYSize,
7011 : nullptr);
7012 57 : if (eErr == CE_None)
7013 : {
7014 228 : for (int i = 0; eErr == CE_None && i < l_nBands; i++)
7015 : {
7016 171 : eErr = poDstDS->WriteEncodedTileOrStrip(
7017 171 : iBlock + i * poDstDS->m_nBlocksPerBand,
7018 171 : pBlockBuffer + static_cast<size_t>(i) *
7019 171 : poDstDS->m_nBlockXSize *
7020 171 : poDstDS->m_nBlockYSize *
7021 171 : nDataTypeSize,
7022 : false);
7023 : }
7024 : }
7025 : }
7026 19600 : else if (!bIsOddBand)
7027 : {
7028 39078 : eErr = poSrcDS->RasterIO(
7029 : GF_Read, iX, iY, nReqXSize, nReqYSize, pBlockBuffer,
7030 : nReqXSize, nReqYSize, eType, l_nBands, nullptr,
7031 19539 : static_cast<GSpacing>(nDataTypeSize) * l_nBands,
7032 19539 : static_cast<GSpacing>(nDataTypeSize) * l_nBands *
7033 19539 : poDstDS->m_nBlockXSize,
7034 : nDataTypeSize, nullptr);
7035 19539 : if (eErr == CE_None)
7036 : {
7037 19538 : eErr = poDstDS->WriteEncodedTileOrStrip(
7038 : iBlock, pBlockBuffer, false);
7039 : }
7040 : }
7041 : else
7042 : {
7043 : // In the odd bit case, this is a bit messy to ensure
7044 : // the strile gets written synchronously.
7045 : // We load the content of the n-1 bands in the cache,
7046 : // and for the last band we invoke WriteBlock() directly
7047 : // We also force FlushBlockBuf()
7048 122 : std::vector<GDALRasterBlock *> apoLockedBlocks;
7049 91 : for (int i = 0; eErr == CE_None && i < l_nBands - 1; i++)
7050 : {
7051 : auto poBlock =
7052 30 : poDstDS->GetRasterBand(i + 1)->GetLockedBlockRef(
7053 30 : nXBlock, nYBlock, TRUE);
7054 30 : if (poBlock)
7055 : {
7056 60 : eErr = poSrcDS->GetRasterBand(i + 1)->RasterIO(
7057 : GF_Read, iX, iY, nReqXSize, nReqYSize,
7058 : poBlock->GetDataRef(), nReqXSize, nReqYSize,
7059 : eType, nDataTypeSize,
7060 30 : static_cast<GSpacing>(nDataTypeSize) *
7061 30 : poDstDS->m_nBlockXSize,
7062 : nullptr);
7063 30 : poBlock->MarkDirty();
7064 30 : apoLockedBlocks.emplace_back(poBlock);
7065 : }
7066 : else
7067 : {
7068 0 : eErr = CE_Failure;
7069 : }
7070 : }
7071 61 : if (eErr == CE_None)
7072 : {
7073 122 : eErr = poSrcDS->GetRasterBand(l_nBands)->RasterIO(
7074 : GF_Read, iX, iY, nReqXSize, nReqYSize, pBlockBuffer,
7075 : nReqXSize, nReqYSize, eType, nDataTypeSize,
7076 61 : static_cast<GSpacing>(nDataTypeSize) *
7077 61 : poDstDS->m_nBlockXSize,
7078 : nullptr);
7079 : }
7080 61 : if (eErr == CE_None)
7081 : {
7082 : // Avoid any attempt to load from disk
7083 61 : poDstDS->m_nLoadedBlock = iBlock;
7084 61 : eErr = poDstDS->GetRasterBand(l_nBands)->WriteBlock(
7085 : nXBlock, nYBlock, pBlockBuffer);
7086 61 : if (eErr == CE_None)
7087 61 : eErr = poDstDS->FlushBlockBuf();
7088 : }
7089 91 : for (auto poBlock : apoLockedBlocks)
7090 : {
7091 30 : poBlock->MarkClean();
7092 30 : poBlock->DropLock();
7093 : }
7094 : }
7095 :
7096 19657 : if (eErr == CE_None && poDstDS->m_poMaskDS)
7097 : {
7098 4669 : if (nReqXSize < poDstDS->m_nBlockXSize ||
7099 4627 : nReqYSize < poDstDS->m_nBlockYSize)
7100 : {
7101 81 : memset(pBlockBuffer, 0,
7102 81 : static_cast<size_t>(poDstDS->m_nBlockXSize) *
7103 81 : poDstDS->m_nBlockYSize);
7104 : }
7105 9338 : eErr = poSrcMaskBand->RasterIO(
7106 : GF_Read, iX, iY, nReqXSize, nReqYSize, pBlockBuffer,
7107 : nReqXSize, nReqYSize, GDT_Byte, 1,
7108 4669 : poDstDS->m_nBlockXSize, nullptr);
7109 4669 : if (eErr == CE_None)
7110 : {
7111 : // Avoid any attempt to load from disk
7112 4669 : poDstDS->m_poMaskDS->m_nLoadedBlock = iBlock;
7113 : eErr =
7114 4669 : poDstDS->m_poMaskDS->GetRasterBand(1)->WriteBlock(
7115 : nXBlock, nYBlock, pBlockBuffer);
7116 4669 : if (eErr == CE_None)
7117 4669 : eErr = poDstDS->m_poMaskDS->FlushBlockBuf();
7118 : }
7119 : }
7120 19657 : if (poDstDS->m_bWriteError)
7121 6 : eErr = CE_Failure;
7122 :
7123 19657 : iBlock++;
7124 39314 : if (pfnProgress &&
7125 19657 : !pfnProgress(static_cast<double>(iBlock) / nBlocks, nullptr,
7126 : pProgressData))
7127 : {
7128 0 : eErr = CE_Failure;
7129 : }
7130 : }
7131 : }
7132 : }
7133 :
7134 302 : poDstDS->FlushCache(false); // mostly to wait for thread completion
7135 302 : VSIFree(pBlockBuffer);
7136 :
7137 302 : return eErr;
7138 : }
7139 :
7140 : /************************************************************************/
7141 : /* CreateCopy() */
7142 : /************************************************************************/
7143 :
7144 2037 : GDALDataset *GTiffDataset::CreateCopy(const char *pszFilename,
7145 : GDALDataset *poSrcDS, int bStrict,
7146 : char **papszOptions,
7147 : GDALProgressFunc pfnProgress,
7148 : void *pProgressData)
7149 :
7150 : {
7151 2037 : if (poSrcDS->GetRasterCount() == 0)
7152 : {
7153 2 : ReportError(pszFilename, CE_Failure, CPLE_AppDefined,
7154 : "Unable to export GeoTIFF files with zero bands.");
7155 2 : return nullptr;
7156 : }
7157 :
7158 2035 : GDALRasterBand *const poPBand = poSrcDS->GetRasterBand(1);
7159 2035 : GDALDataType eType = poPBand->GetRasterDataType();
7160 :
7161 : /* -------------------------------------------------------------------- */
7162 : /* Check, whether all bands in input dataset has the same type. */
7163 : /* -------------------------------------------------------------------- */
7164 2035 : const int l_nBands = poSrcDS->GetRasterCount();
7165 4886 : for (int iBand = 2; iBand <= l_nBands; ++iBand)
7166 : {
7167 2851 : if (eType != poSrcDS->GetRasterBand(iBand)->GetRasterDataType())
7168 : {
7169 0 : if (bStrict)
7170 : {
7171 0 : ReportError(
7172 : pszFilename, CE_Failure, CPLE_AppDefined,
7173 : "Unable to export GeoTIFF file with different datatypes "
7174 : "per different bands. All bands should have the same "
7175 : "types in TIFF.");
7176 0 : return nullptr;
7177 : }
7178 : else
7179 : {
7180 0 : ReportError(
7181 : pszFilename, CE_Warning, CPLE_AppDefined,
7182 : "Unable to export GeoTIFF file with different datatypes "
7183 : "per different bands. All bands should have the same "
7184 : "types in TIFF.");
7185 : }
7186 : }
7187 : }
7188 :
7189 : /* -------------------------------------------------------------------- */
7190 : /* Capture the profile. */
7191 : /* -------------------------------------------------------------------- */
7192 : const GTiffProfile eProfile =
7193 2035 : GetProfile(CSLFetchNameValue(papszOptions, "PROFILE"));
7194 :
7195 2035 : const bool bGeoTIFF = eProfile != GTiffProfile::BASELINE;
7196 :
7197 : /* -------------------------------------------------------------------- */
7198 : /* Special handling for NBITS. Copy from band metadata if found. */
7199 : /* -------------------------------------------------------------------- */
7200 2035 : char **papszCreateOptions = CSLDuplicate(papszOptions);
7201 :
7202 2035 : if (poPBand->GetMetadataItem("NBITS", "IMAGE_STRUCTURE") != nullptr &&
7203 2052 : atoi(poPBand->GetMetadataItem("NBITS", "IMAGE_STRUCTURE")) > 0 &&
7204 17 : CSLFetchNameValue(papszCreateOptions, "NBITS") == nullptr)
7205 : {
7206 3 : papszCreateOptions = CSLSetNameValue(
7207 : papszCreateOptions, "NBITS",
7208 3 : poPBand->GetMetadataItem("NBITS", "IMAGE_STRUCTURE"));
7209 : }
7210 :
7211 2035 : if (CSLFetchNameValue(papszOptions, "PIXELTYPE") == nullptr &&
7212 : eType == GDT_Byte)
7213 : {
7214 1707 : poPBand->EnablePixelTypeSignedByteWarning(false);
7215 : const char *pszPixelType =
7216 1707 : poPBand->GetMetadataItem("PIXELTYPE", "IMAGE_STRUCTURE");
7217 1707 : poPBand->EnablePixelTypeSignedByteWarning(true);
7218 1707 : if (pszPixelType)
7219 : {
7220 1 : papszCreateOptions =
7221 1 : CSLSetNameValue(papszCreateOptions, "PIXELTYPE", pszPixelType);
7222 : }
7223 : }
7224 :
7225 : /* -------------------------------------------------------------------- */
7226 : /* Color profile. Copy from band metadata if found. */
7227 : /* -------------------------------------------------------------------- */
7228 2035 : if (bGeoTIFF)
7229 : {
7230 2018 : const char *pszOptionsMD[] = {"SOURCE_ICC_PROFILE",
7231 : "SOURCE_PRIMARIES_RED",
7232 : "SOURCE_PRIMARIES_GREEN",
7233 : "SOURCE_PRIMARIES_BLUE",
7234 : "SOURCE_WHITEPOINT",
7235 : "TIFFTAG_TRANSFERFUNCTION_RED",
7236 : "TIFFTAG_TRANSFERFUNCTION_GREEN",
7237 : "TIFFTAG_TRANSFERFUNCTION_BLUE",
7238 : "TIFFTAG_TRANSFERRANGE_BLACK",
7239 : "TIFFTAG_TRANSFERRANGE_WHITE",
7240 : nullptr};
7241 :
7242 : // Copy all the tags. Options will override tags in the source.
7243 2018 : int i = 0;
7244 22178 : while (pszOptionsMD[i] != nullptr)
7245 : {
7246 : char const *pszMD =
7247 20162 : CSLFetchNameValue(papszOptions, pszOptionsMD[i]);
7248 20162 : if (pszMD == nullptr)
7249 : pszMD =
7250 20154 : poSrcDS->GetMetadataItem(pszOptionsMD[i], "COLOR_PROFILE");
7251 :
7252 20162 : if ((pszMD != nullptr) && !EQUAL(pszMD, ""))
7253 : {
7254 16 : papszCreateOptions =
7255 16 : CSLSetNameValue(papszCreateOptions, pszOptionsMD[i], pszMD);
7256 :
7257 : // If an ICC profile exists, other tags are not needed.
7258 16 : if (EQUAL(pszOptionsMD[i], "SOURCE_ICC_PROFILE"))
7259 2 : break;
7260 : }
7261 :
7262 20160 : ++i;
7263 : }
7264 : }
7265 :
7266 2035 : double dfExtraSpaceForOverviews = 0;
7267 : const bool bCopySrcOverviews =
7268 2035 : CPLFetchBool(papszCreateOptions, "COPY_SRC_OVERVIEWS", false);
7269 2035 : std::unique_ptr<GDALDataset> poOvrDS;
7270 2035 : int nSrcOverviews = 0;
7271 2035 : if (bCopySrcOverviews)
7272 : {
7273 : const char *pszOvrDS =
7274 187 : CSLFetchNameValue(papszCreateOptions, "@OVERVIEW_DATASET");
7275 187 : if (pszOvrDS)
7276 : {
7277 : // Empty string is used by COG driver to indicate that we want
7278 : // to ignore source overviews.
7279 40 : if (!EQUAL(pszOvrDS, ""))
7280 : {
7281 38 : poOvrDS.reset(GDALDataset::Open(pszOvrDS));
7282 38 : if (!poOvrDS)
7283 : {
7284 0 : CSLDestroy(papszCreateOptions);
7285 0 : return nullptr;
7286 : }
7287 38 : if (poOvrDS->GetRasterCount() != l_nBands)
7288 : {
7289 0 : CSLDestroy(papszCreateOptions);
7290 0 : return nullptr;
7291 : }
7292 38 : nSrcOverviews =
7293 38 : poOvrDS->GetRasterBand(1)->GetOverviewCount() + 1;
7294 : }
7295 : }
7296 : else
7297 : {
7298 147 : nSrcOverviews = poSrcDS->GetRasterBand(1)->GetOverviewCount();
7299 : }
7300 :
7301 : // Limit number of overviews if specified
7302 : const char *pszOverviewCount =
7303 187 : CSLFetchNameValue(papszCreateOptions, "@OVERVIEW_COUNT");
7304 187 : if (pszOverviewCount)
7305 8 : nSrcOverviews =
7306 8 : std::max(0, std::min(nSrcOverviews, atoi(pszOverviewCount)));
7307 :
7308 187 : if (nSrcOverviews)
7309 : {
7310 198 : for (int j = 1; j <= l_nBands; ++j)
7311 : {
7312 : const int nOtherBandOverviewCount =
7313 131 : poOvrDS ? poOvrDS->GetRasterBand(j)->GetOverviewCount() + 1
7314 181 : : poSrcDS->GetRasterBand(j)->GetOverviewCount();
7315 131 : if (nOtherBandOverviewCount < nSrcOverviews)
7316 : {
7317 1 : ReportError(
7318 : pszFilename, CE_Failure, CPLE_NotSupported,
7319 : "COPY_SRC_OVERVIEWS cannot be used when the bands have "
7320 : "not the same number of overview levels.");
7321 1 : CSLDestroy(papszCreateOptions);
7322 1 : return nullptr;
7323 : }
7324 392 : for (int i = 0; i < nSrcOverviews; ++i)
7325 : {
7326 : GDALRasterBand *poOvrBand =
7327 : poOvrDS
7328 372 : ? (i == 0 ? poOvrDS->GetRasterBand(j)
7329 216 : : poOvrDS->GetRasterBand(j)->GetOverview(
7330 108 : i - 1))
7331 339 : : poSrcDS->GetRasterBand(j)->GetOverview(i);
7332 264 : if (poOvrBand == nullptr)
7333 : {
7334 1 : ReportError(
7335 : pszFilename, CE_Failure, CPLE_NotSupported,
7336 : "COPY_SRC_OVERVIEWS cannot be used when one "
7337 : "overview band is NULL.");
7338 1 : CSLDestroy(papszCreateOptions);
7339 1 : return nullptr;
7340 : }
7341 : GDALRasterBand *poOvrFirstBand =
7342 : poOvrDS
7343 371 : ? (i == 0 ? poOvrDS->GetRasterBand(1)
7344 216 : : poOvrDS->GetRasterBand(1)->GetOverview(
7345 108 : i - 1))
7346 337 : : poSrcDS->GetRasterBand(1)->GetOverview(i);
7347 525 : if (poOvrBand->GetXSize() != poOvrFirstBand->GetXSize() ||
7348 262 : poOvrBand->GetYSize() != poOvrFirstBand->GetYSize())
7349 : {
7350 1 : ReportError(
7351 : pszFilename, CE_Failure, CPLE_NotSupported,
7352 : "COPY_SRC_OVERVIEWS cannot be used when the "
7353 : "overview bands have not the same dimensions "
7354 : "among bands.");
7355 1 : CSLDestroy(papszCreateOptions);
7356 1 : return nullptr;
7357 : }
7358 : }
7359 : }
7360 :
7361 194 : for (int i = 0; i < nSrcOverviews; ++i)
7362 : {
7363 : GDALRasterBand *poOvrFirstBand =
7364 : poOvrDS
7365 207 : ? (i == 0
7366 80 : ? poOvrDS->GetRasterBand(1)
7367 42 : : poOvrDS->GetRasterBand(1)->GetOverview(i - 1))
7368 174 : : poSrcDS->GetRasterBand(1)->GetOverview(i);
7369 127 : dfExtraSpaceForOverviews +=
7370 127 : static_cast<double>(poOvrFirstBand->GetXSize()) *
7371 127 : poOvrFirstBand->GetYSize();
7372 : }
7373 67 : dfExtraSpaceForOverviews *=
7374 67 : l_nBands * GDALGetDataTypeSizeBytes(eType);
7375 : }
7376 : else
7377 : {
7378 117 : CPLDebug("GTiff", "No source overviews to copy");
7379 : }
7380 : }
7381 :
7382 : /* -------------------------------------------------------------------- */
7383 : /* Should we use optimized way of copying from an input JPEG */
7384 : /* dataset? */
7385 : /* -------------------------------------------------------------------- */
7386 :
7387 : // TODO(schwehr): Refactor bDirectCopyFromJPEG to be a const.
7388 : #if defined(HAVE_LIBJPEG) || defined(JPEG_DIRECT_COPY)
7389 2032 : bool bDirectCopyFromJPEG = false;
7390 : #endif
7391 :
7392 : // Note: JPEG_DIRECT_COPY is not defined by default, because it is mainly
7393 : // useful for debugging purposes.
7394 : #ifdef JPEG_DIRECT_COPY
7395 : if (CPLFetchBool(papszCreateOptions, "JPEG_DIRECT_COPY", false) &&
7396 : GTIFF_CanDirectCopyFromJPEG(poSrcDS, papszCreateOptions))
7397 : {
7398 : CPLDebug("GTiff", "Using special direct copy mode from a JPEG dataset");
7399 :
7400 : bDirectCopyFromJPEG = true;
7401 : }
7402 : #endif
7403 :
7404 : #ifdef HAVE_LIBJPEG
7405 2032 : bool bCopyFromJPEG = false;
7406 :
7407 : // When CreateCopy'ing() from a JPEG dataset, and asking for COMPRESS=JPEG,
7408 : // use DCT coefficients (unless other options are incompatible, like
7409 : // strip/tile dimensions, specifying JPEG_QUALITY option, incompatible
7410 : // PHOTOMETRIC with the source colorspace, etc.) to avoid the lossy steps
7411 : // involved by decompression/recompression.
7412 4064 : if (!bDirectCopyFromJPEG &&
7413 2032 : GTIFF_CanCopyFromJPEG(poSrcDS, papszCreateOptions))
7414 : {
7415 12 : CPLDebug("GTiff", "Using special copy mode from a JPEG dataset");
7416 :
7417 12 : bCopyFromJPEG = true;
7418 : }
7419 : #endif
7420 :
7421 : /* -------------------------------------------------------------------- */
7422 : /* If the source is RGB, then set the PHOTOMETRIC=RGB value */
7423 : /* -------------------------------------------------------------------- */
7424 :
7425 : const bool bForcePhotometric =
7426 2032 : CSLFetchNameValue(papszOptions, "PHOTOMETRIC") != nullptr;
7427 :
7428 1193 : if (l_nBands >= 3 && !bForcePhotometric &&
7429 : #ifdef HAVE_LIBJPEG
7430 1155 : !bCopyFromJPEG &&
7431 : #endif
7432 1149 : poSrcDS->GetRasterBand(1)->GetColorInterpretation() == GCI_RedBand &&
7433 4276 : poSrcDS->GetRasterBand(2)->GetColorInterpretation() == GCI_GreenBand &&
7434 1051 : poSrcDS->GetRasterBand(3)->GetColorInterpretation() == GCI_BlueBand)
7435 : {
7436 1045 : papszCreateOptions =
7437 1045 : CSLSetNameValue(papszCreateOptions, "PHOTOMETRIC", "RGB");
7438 : }
7439 :
7440 : /* -------------------------------------------------------------------- */
7441 : /* Create the file. */
7442 : /* -------------------------------------------------------------------- */
7443 2032 : VSILFILE *l_fpL = nullptr;
7444 4064 : CPLString l_osTmpFilename;
7445 :
7446 2032 : const int nXSize = poSrcDS->GetRasterXSize();
7447 2032 : const int nYSize = poSrcDS->GetRasterYSize();
7448 :
7449 : const int nColorTableMultiplier = std::max(
7450 4064 : 1,
7451 4064 : std::min(257,
7452 2032 : atoi(CSLFetchNameValueDef(
7453 : papszOptions, "COLOR_TABLE_MULTIPLIER",
7454 2032 : CPLSPrintf("%d", DEFAULT_COLOR_TABLE_MULTIPLIER_257)))));
7455 :
7456 2032 : bool bTileInterleaving = false;
7457 2032 : TIFF *l_hTIFF = CreateLL(pszFilename, nXSize, nYSize, l_nBands, eType,
7458 : dfExtraSpaceForOverviews, nColorTableMultiplier,
7459 : papszCreateOptions, &l_fpL, l_osTmpFilename,
7460 : /* bCreateCopy = */ true, bTileInterleaving);
7461 2032 : const bool bStreaming = !l_osTmpFilename.empty();
7462 :
7463 2032 : CSLDestroy(papszCreateOptions);
7464 2032 : papszCreateOptions = nullptr;
7465 :
7466 2032 : if (l_hTIFF == nullptr)
7467 : {
7468 18 : if (bStreaming)
7469 0 : VSIUnlink(l_osTmpFilename);
7470 18 : return nullptr;
7471 : }
7472 :
7473 2014 : uint16_t l_nPlanarConfig = 0;
7474 2014 : TIFFGetField(l_hTIFF, TIFFTAG_PLANARCONFIG, &l_nPlanarConfig);
7475 :
7476 2014 : uint16_t l_nCompression = 0;
7477 :
7478 2014 : if (!TIFFGetField(l_hTIFF, TIFFTAG_COMPRESSION, &(l_nCompression)))
7479 0 : l_nCompression = COMPRESSION_NONE;
7480 :
7481 : /* -------------------------------------------------------------------- */
7482 : /* Set the alpha channel if we find one. */
7483 : /* -------------------------------------------------------------------- */
7484 2014 : uint16_t *extraSamples = nullptr;
7485 2014 : uint16_t nExtraSamples = 0;
7486 2014 : if (TIFFGetField(l_hTIFF, TIFFTAG_EXTRASAMPLES, &nExtraSamples,
7487 2261 : &extraSamples) &&
7488 247 : nExtraSamples > 0)
7489 : {
7490 : // We need to allocate a new array as (current) libtiff
7491 : // versions will not like that we reuse the array we got from
7492 : // TIFFGetField().
7493 : uint16_t *pasNewExtraSamples = static_cast<uint16_t *>(
7494 247 : CPLMalloc(nExtraSamples * sizeof(uint16_t)));
7495 247 : memcpy(pasNewExtraSamples, extraSamples,
7496 247 : nExtraSamples * sizeof(uint16_t));
7497 247 : const char *pszAlpha = CPLGetConfigOption(
7498 : "GTIFF_ALPHA", CSLFetchNameValue(papszOptions, "ALPHA"));
7499 : const uint16_t nAlpha =
7500 247 : GTiffGetAlphaValue(pszAlpha, DEFAULT_ALPHA_TYPE);
7501 247 : const int nBaseSamples = l_nBands - nExtraSamples;
7502 843 : for (int iExtraBand = nBaseSamples + 1; iExtraBand <= l_nBands;
7503 : iExtraBand++)
7504 : {
7505 596 : if (poSrcDS->GetRasterBand(iExtraBand)->GetColorInterpretation() ==
7506 : GCI_AlphaBand)
7507 : {
7508 140 : pasNewExtraSamples[iExtraBand - nBaseSamples - 1] = nAlpha;
7509 140 : if (!pszAlpha)
7510 : {
7511 : // Use the ALPHA metadata item from the source band, when
7512 : // present, if no explicit ALPHA creation option
7513 276 : pasNewExtraSamples[iExtraBand - nBaseSamples - 1] =
7514 138 : GTiffGetAlphaValue(
7515 138 : poSrcDS->GetRasterBand(iExtraBand)
7516 138 : ->GetMetadataItem("ALPHA", "IMAGE_STRUCTURE"),
7517 : nAlpha);
7518 : }
7519 : }
7520 : }
7521 247 : TIFFSetField(l_hTIFF, TIFFTAG_EXTRASAMPLES, nExtraSamples,
7522 : pasNewExtraSamples);
7523 :
7524 247 : CPLFree(pasNewExtraSamples);
7525 : }
7526 :
7527 : /* -------------------------------------------------------------------- */
7528 : /* If the output is jpeg compressed, and the input is RGB make */
7529 : /* sure we note that. */
7530 : /* -------------------------------------------------------------------- */
7531 :
7532 2014 : if (l_nCompression == COMPRESSION_JPEG)
7533 : {
7534 134 : if (l_nBands >= 3 &&
7535 58 : (poSrcDS->GetRasterBand(1)->GetColorInterpretation() ==
7536 0 : GCI_YCbCr_YBand) &&
7537 0 : (poSrcDS->GetRasterBand(2)->GetColorInterpretation() ==
7538 134 : GCI_YCbCr_CbBand) &&
7539 0 : (poSrcDS->GetRasterBand(3)->GetColorInterpretation() ==
7540 : GCI_YCbCr_CrBand))
7541 : {
7542 : // Do nothing.
7543 : }
7544 : else
7545 : {
7546 : // Assume RGB if it is not explicitly YCbCr.
7547 76 : CPLDebug("GTiff", "Setting JPEGCOLORMODE_RGB");
7548 76 : TIFFSetField(l_hTIFF, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB);
7549 : }
7550 : }
7551 :
7552 : /* -------------------------------------------------------------------- */
7553 : /* Does the source image consist of one band, with a palette? */
7554 : /* If so, copy over. */
7555 : /* -------------------------------------------------------------------- */
7556 1277 : if ((l_nBands == 1 || l_nBands == 2) &&
7557 3291 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
7558 : eType == GDT_Byte)
7559 : {
7560 16 : unsigned short anTRed[256] = {0};
7561 16 : unsigned short anTGreen[256] = {0};
7562 16 : unsigned short anTBlue[256] = {0};
7563 16 : GDALColorTable *poCT = poSrcDS->GetRasterBand(1)->GetColorTable();
7564 :
7565 4112 : for (int iColor = 0; iColor < 256; ++iColor)
7566 : {
7567 4096 : if (iColor < poCT->GetColorEntryCount())
7568 : {
7569 3041 : GDALColorEntry sRGB = {0, 0, 0, 0};
7570 :
7571 3041 : poCT->GetColorEntryAsRGB(iColor, &sRGB);
7572 :
7573 6082 : anTRed[iColor] = GTiffDataset::ClampCTEntry(
7574 3041 : iColor, 1, sRGB.c1, nColorTableMultiplier);
7575 6082 : anTGreen[iColor] = GTiffDataset::ClampCTEntry(
7576 3041 : iColor, 2, sRGB.c2, nColorTableMultiplier);
7577 3041 : anTBlue[iColor] = GTiffDataset::ClampCTEntry(
7578 3041 : iColor, 3, sRGB.c3, nColorTableMultiplier);
7579 : }
7580 : else
7581 : {
7582 1055 : anTRed[iColor] = 0;
7583 1055 : anTGreen[iColor] = 0;
7584 1055 : anTBlue[iColor] = 0;
7585 : }
7586 : }
7587 :
7588 16 : if (!bForcePhotometric)
7589 16 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE);
7590 16 : TIFFSetField(l_hTIFF, TIFFTAG_COLORMAP, anTRed, anTGreen, anTBlue);
7591 : }
7592 1276 : else if ((l_nBands == 1 || l_nBands == 2) &&
7593 3274 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
7594 : eType == GDT_UInt16)
7595 : {
7596 : unsigned short *panTRed = static_cast<unsigned short *>(
7597 1 : CPLMalloc(65536 * sizeof(unsigned short)));
7598 : unsigned short *panTGreen = static_cast<unsigned short *>(
7599 1 : CPLMalloc(65536 * sizeof(unsigned short)));
7600 : unsigned short *panTBlue = static_cast<unsigned short *>(
7601 1 : CPLMalloc(65536 * sizeof(unsigned short)));
7602 :
7603 1 : GDALColorTable *poCT = poSrcDS->GetRasterBand(1)->GetColorTable();
7604 :
7605 65537 : for (int iColor = 0; iColor < 65536; ++iColor)
7606 : {
7607 65536 : if (iColor < poCT->GetColorEntryCount())
7608 : {
7609 65536 : GDALColorEntry sRGB = {0, 0, 0, 0};
7610 :
7611 65536 : poCT->GetColorEntryAsRGB(iColor, &sRGB);
7612 :
7613 131072 : panTRed[iColor] = GTiffDataset::ClampCTEntry(
7614 65536 : iColor, 1, sRGB.c1, nColorTableMultiplier);
7615 131072 : panTGreen[iColor] = GTiffDataset::ClampCTEntry(
7616 65536 : iColor, 2, sRGB.c2, nColorTableMultiplier);
7617 65536 : panTBlue[iColor] = GTiffDataset::ClampCTEntry(
7618 65536 : iColor, 3, sRGB.c3, nColorTableMultiplier);
7619 : }
7620 : else
7621 : {
7622 0 : panTRed[iColor] = 0;
7623 0 : panTGreen[iColor] = 0;
7624 0 : panTBlue[iColor] = 0;
7625 : }
7626 : }
7627 :
7628 1 : if (!bForcePhotometric)
7629 1 : TIFFSetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE);
7630 1 : TIFFSetField(l_hTIFF, TIFFTAG_COLORMAP, panTRed, panTGreen, panTBlue);
7631 :
7632 1 : CPLFree(panTRed);
7633 1 : CPLFree(panTGreen);
7634 1 : CPLFree(panTBlue);
7635 : }
7636 1997 : else if (poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
7637 1 : ReportError(
7638 : pszFilename, CE_Failure, CPLE_AppDefined,
7639 : "Unable to export color table to GeoTIFF file. Color tables "
7640 : "can only be written to 1 band or 2 bands Byte or "
7641 : "UInt16 GeoTIFF files.");
7642 :
7643 2014 : if (l_nCompression == COMPRESSION_JPEG)
7644 : {
7645 76 : uint16_t l_nPhotometric = 0;
7646 76 : TIFFGetField(l_hTIFF, TIFFTAG_PHOTOMETRIC, &l_nPhotometric);
7647 : // Check done in tif_jpeg.c later, but not with a very clear error
7648 : // message
7649 76 : if (l_nPhotometric == PHOTOMETRIC_PALETTE)
7650 : {
7651 1 : ReportError(pszFilename, CE_Failure, CPLE_NotSupported,
7652 : "JPEG compression not supported with paletted image");
7653 1 : XTIFFClose(l_hTIFF);
7654 1 : VSIUnlink(l_osTmpFilename);
7655 1 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
7656 1 : return nullptr;
7657 : }
7658 : }
7659 :
7660 2098 : if (l_nBands == 2 &&
7661 2013 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
7662 0 : (eType == GDT_Byte || eType == GDT_UInt16))
7663 : {
7664 1 : uint16_t v[1] = {EXTRASAMPLE_UNASSALPHA};
7665 :
7666 1 : TIFFSetField(l_hTIFF, TIFFTAG_EXTRASAMPLES, 1, v);
7667 : }
7668 :
7669 2013 : const int nMaskFlags = poSrcDS->GetRasterBand(1)->GetMaskFlags();
7670 2013 : bool bCreateMask = false;
7671 4026 : CPLString osHiddenStructuralMD;
7672 : const char *pszInterleave =
7673 2013 : CSLFetchNameValueDef(papszOptions, "INTERLEAVE", "PIXEL");
7674 2013 : if (bCopySrcOverviews)
7675 : {
7676 181 : osHiddenStructuralMD += "LAYOUT=IFDS_BEFORE_DATA\n";
7677 181 : osHiddenStructuralMD += "BLOCK_ORDER=ROW_MAJOR\n";
7678 181 : osHiddenStructuralMD += "BLOCK_LEADER=SIZE_AS_UINT4\n";
7679 181 : osHiddenStructuralMD += "BLOCK_TRAILER=LAST_4_BYTES_REPEATED\n";
7680 181 : if (l_nBands > 1 && !EQUAL(pszInterleave, "PIXEL"))
7681 : {
7682 22 : osHiddenStructuralMD += "INTERLEAVE=";
7683 22 : osHiddenStructuralMD += CPLString(pszInterleave).toupper();
7684 22 : osHiddenStructuralMD += "\n";
7685 : }
7686 : osHiddenStructuralMD +=
7687 181 : "KNOWN_INCOMPATIBLE_EDITION=NO\n "; // Final space intended, so
7688 : // this can be replaced by YES
7689 : }
7690 2013 : if (!(nMaskFlags & (GMF_ALL_VALID | GMF_ALPHA | GMF_NODATA)) &&
7691 41 : (nMaskFlags & GMF_PER_DATASET) && !bStreaming)
7692 : {
7693 38 : bCreateMask = true;
7694 38 : if (GTiffDataset::MustCreateInternalMask() &&
7695 38 : !osHiddenStructuralMD.empty() && EQUAL(pszInterleave, "PIXEL"))
7696 : {
7697 22 : osHiddenStructuralMD += "MASK_INTERLEAVED_WITH_IMAGERY=YES\n";
7698 : }
7699 : }
7700 2013 : if (!osHiddenStructuralMD.empty())
7701 : {
7702 181 : const int nHiddenMDSize = static_cast<int>(osHiddenStructuralMD.size());
7703 : osHiddenStructuralMD =
7704 181 : CPLOPrintf("GDAL_STRUCTURAL_METADATA_SIZE=%06d bytes\n",
7705 362 : nHiddenMDSize) +
7706 181 : osHiddenStructuralMD;
7707 181 : VSI_TIFFWrite(l_hTIFF, osHiddenStructuralMD.c_str(),
7708 : osHiddenStructuralMD.size());
7709 : }
7710 :
7711 : // FIXME? libtiff writes extended tags in the order they are specified
7712 : // and not in increasing order.
7713 :
7714 : /* -------------------------------------------------------------------- */
7715 : /* Transfer some TIFF specific metadata, if available. */
7716 : /* The return value will tell us if we need to try again later with*/
7717 : /* PAM because the profile doesn't allow to write some metadata */
7718 : /* as TIFF tag */
7719 : /* -------------------------------------------------------------------- */
7720 2013 : const bool bHasWrittenMDInGeotiffTAG = GTiffDataset::WriteMetadata(
7721 : poSrcDS, l_hTIFF, false, eProfile, pszFilename, papszOptions);
7722 :
7723 : /* -------------------------------------------------------------------- */
7724 : /* Write NoData value, if exist. */
7725 : /* -------------------------------------------------------------------- */
7726 2013 : if (eProfile == GTiffProfile::GDALGEOTIFF)
7727 : {
7728 1992 : int bSuccess = FALSE;
7729 1992 : GDALRasterBand *poFirstBand = poSrcDS->GetRasterBand(1);
7730 1992 : if (poFirstBand->GetRasterDataType() == GDT_Int64)
7731 : {
7732 2 : const auto nNoData = poFirstBand->GetNoDataValueAsInt64(&bSuccess);
7733 2 : if (bSuccess)
7734 1 : GTiffDataset::WriteNoDataValue(l_hTIFF, nNoData);
7735 : }
7736 1990 : else if (poFirstBand->GetRasterDataType() == GDT_UInt64)
7737 : {
7738 2 : const auto nNoData = poFirstBand->GetNoDataValueAsUInt64(&bSuccess);
7739 2 : if (bSuccess)
7740 1 : GTiffDataset::WriteNoDataValue(l_hTIFF, nNoData);
7741 : }
7742 : else
7743 : {
7744 1988 : const auto dfNoData = poFirstBand->GetNoDataValue(&bSuccess);
7745 1988 : if (bSuccess)
7746 135 : GTiffDataset::WriteNoDataValue(l_hTIFF, dfNoData);
7747 : }
7748 : }
7749 :
7750 : /* -------------------------------------------------------------------- */
7751 : /* Are we addressing PixelIsPoint mode? */
7752 : /* -------------------------------------------------------------------- */
7753 2013 : bool bPixelIsPoint = false;
7754 2013 : bool bPointGeoIgnore = false;
7755 :
7756 3388 : if (poSrcDS->GetMetadataItem(GDALMD_AREA_OR_POINT) &&
7757 1375 : EQUAL(poSrcDS->GetMetadataItem(GDALMD_AREA_OR_POINT), GDALMD_AOP_POINT))
7758 : {
7759 10 : bPixelIsPoint = true;
7760 : bPointGeoIgnore =
7761 10 : CPLTestBool(CPLGetConfigOption("GTIFF_POINT_GEO_IGNORE", "FALSE"));
7762 : }
7763 :
7764 : /* -------------------------------------------------------------------- */
7765 : /* Write affine transform if it is meaningful. */
7766 : /* -------------------------------------------------------------------- */
7767 2013 : const OGRSpatialReference *l_poSRS = nullptr;
7768 2013 : GDALGeoTransform l_gt;
7769 2013 : if (poSrcDS->GetGeoTransform(l_gt) == CE_None)
7770 : {
7771 1594 : if (bGeoTIFF)
7772 : {
7773 1589 : l_poSRS = poSrcDS->GetSpatialRef();
7774 :
7775 1589 : if (l_gt[2] == 0.0 && l_gt[4] == 0.0 && l_gt[5] < 0.0)
7776 : {
7777 1575 : double dfOffset = 0.0;
7778 : {
7779 : // In the case the SRS has a vertical component and we have
7780 : // a single band, encode its scale/offset in the GeoTIFF
7781 : // tags
7782 1575 : int bHasScale = FALSE;
7783 : double dfScale =
7784 1575 : poSrcDS->GetRasterBand(1)->GetScale(&bHasScale);
7785 1575 : int bHasOffset = FALSE;
7786 : dfOffset =
7787 1575 : poSrcDS->GetRasterBand(1)->GetOffset(&bHasOffset);
7788 : const bool bApplyScaleOffset =
7789 1579 : l_poSRS && l_poSRS->IsVertical() &&
7790 4 : poSrcDS->GetRasterCount() == 1;
7791 1575 : if (bApplyScaleOffset && !bHasScale)
7792 0 : dfScale = 1.0;
7793 1575 : if (!bApplyScaleOffset || !bHasOffset)
7794 1571 : dfOffset = 0.0;
7795 1575 : const double adfPixelScale[3] = {l_gt[1], fabs(l_gt[5]),
7796 1575 : bApplyScaleOffset ? dfScale
7797 1575 : : 0.0};
7798 :
7799 1575 : TIFFSetField(l_hTIFF, TIFFTAG_GEOPIXELSCALE, 3,
7800 : adfPixelScale);
7801 : }
7802 :
7803 1575 : double adfTiePoints[6] = {0.0, 0.0, 0.0,
7804 1575 : l_gt[0], l_gt[3], dfOffset};
7805 :
7806 1575 : if (bPixelIsPoint && !bPointGeoIgnore)
7807 : {
7808 6 : adfTiePoints[3] += l_gt[1] * 0.5 + l_gt[2] * 0.5;
7809 6 : adfTiePoints[4] += l_gt[4] * 0.5 + l_gt[5] * 0.5;
7810 : }
7811 :
7812 1575 : TIFFSetField(l_hTIFF, TIFFTAG_GEOTIEPOINTS, 6, adfTiePoints);
7813 : }
7814 : else
7815 : {
7816 14 : double adfMatrix[16] = {0.0};
7817 :
7818 14 : adfMatrix[0] = l_gt[1];
7819 14 : adfMatrix[1] = l_gt[2];
7820 14 : adfMatrix[3] = l_gt[0];
7821 14 : adfMatrix[4] = l_gt[4];
7822 14 : adfMatrix[5] = l_gt[5];
7823 14 : adfMatrix[7] = l_gt[3];
7824 14 : adfMatrix[15] = 1.0;
7825 :
7826 14 : if (bPixelIsPoint && !bPointGeoIgnore)
7827 : {
7828 0 : adfMatrix[3] += l_gt[1] * 0.5 + l_gt[2] * 0.5;
7829 0 : adfMatrix[7] += l_gt[4] * 0.5 + l_gt[5] * 0.5;
7830 : }
7831 :
7832 14 : TIFFSetField(l_hTIFF, TIFFTAG_GEOTRANSMATRIX, 16, adfMatrix);
7833 : }
7834 : }
7835 :
7836 : /* --------------------------------------------------------------------
7837 : */
7838 : /* Do we need a TFW file? */
7839 : /* --------------------------------------------------------------------
7840 : */
7841 1594 : if (CPLFetchBool(papszOptions, "TFW", false))
7842 2 : GDALWriteWorldFile(pszFilename, "tfw", l_gt.data());
7843 1592 : else if (CPLFetchBool(papszOptions, "WORLDFILE", false))
7844 1 : GDALWriteWorldFile(pszFilename, "wld", l_gt.data());
7845 : }
7846 :
7847 : /* -------------------------------------------------------------------- */
7848 : /* Otherwise write tiepoints if they are available. */
7849 : /* -------------------------------------------------------------------- */
7850 419 : else if (poSrcDS->GetGCPCount() > 0 && bGeoTIFF)
7851 : {
7852 12 : const GDAL_GCP *pasGCPs = poSrcDS->GetGCPs();
7853 : double *padfTiePoints = static_cast<double *>(
7854 12 : CPLMalloc(6 * sizeof(double) * poSrcDS->GetGCPCount()));
7855 :
7856 60 : for (int iGCP = 0; iGCP < poSrcDS->GetGCPCount(); ++iGCP)
7857 : {
7858 :
7859 48 : padfTiePoints[iGCP * 6 + 0] = pasGCPs[iGCP].dfGCPPixel;
7860 48 : padfTiePoints[iGCP * 6 + 1] = pasGCPs[iGCP].dfGCPLine;
7861 48 : padfTiePoints[iGCP * 6 + 2] = 0;
7862 48 : padfTiePoints[iGCP * 6 + 3] = pasGCPs[iGCP].dfGCPX;
7863 48 : padfTiePoints[iGCP * 6 + 4] = pasGCPs[iGCP].dfGCPY;
7864 48 : padfTiePoints[iGCP * 6 + 5] = pasGCPs[iGCP].dfGCPZ;
7865 :
7866 48 : if (bPixelIsPoint && !bPointGeoIgnore)
7867 : {
7868 4 : padfTiePoints[iGCP * 6 + 0] -= 0.5;
7869 4 : padfTiePoints[iGCP * 6 + 1] -= 0.5;
7870 : }
7871 : }
7872 :
7873 12 : TIFFSetField(l_hTIFF, TIFFTAG_GEOTIEPOINTS, 6 * poSrcDS->GetGCPCount(),
7874 : padfTiePoints);
7875 12 : CPLFree(padfTiePoints);
7876 :
7877 12 : l_poSRS = poSrcDS->GetGCPSpatialRef();
7878 :
7879 24 : if (CPLFetchBool(papszOptions, "TFW", false) ||
7880 12 : CPLFetchBool(papszOptions, "WORLDFILE", false))
7881 : {
7882 0 : ReportError(
7883 : pszFilename, CE_Warning, CPLE_AppDefined,
7884 : "TFW=ON or WORLDFILE=ON creation options are ignored when "
7885 : "GCPs are available");
7886 : }
7887 : }
7888 : else
7889 : {
7890 407 : l_poSRS = poSrcDS->GetSpatialRef();
7891 : }
7892 :
7893 : /* -------------------------------------------------------------------- */
7894 : /* Copy xml:XMP data */
7895 : /* -------------------------------------------------------------------- */
7896 2013 : char **papszXMP = poSrcDS->GetMetadata("xml:XMP");
7897 2013 : if (papszXMP != nullptr && *papszXMP != nullptr)
7898 : {
7899 9 : int nTagSize = static_cast<int>(strlen(*papszXMP));
7900 9 : TIFFSetField(l_hTIFF, TIFFTAG_XMLPACKET, nTagSize, *papszXMP);
7901 : }
7902 :
7903 : /* -------------------------------------------------------------------- */
7904 : /* Write the projection information, if possible. */
7905 : /* -------------------------------------------------------------------- */
7906 2013 : const bool bHasProjection = l_poSRS != nullptr;
7907 2013 : bool bExportSRSToPAM = false;
7908 2013 : if ((bHasProjection || bPixelIsPoint) && bGeoTIFF)
7909 : {
7910 1560 : GTIF *psGTIF = GTiffDataset::GTIFNew(l_hTIFF);
7911 :
7912 1560 : if (bHasProjection)
7913 : {
7914 1560 : const auto eGeoTIFFKeysFlavor = GetGTIFFKeysFlavor(papszOptions);
7915 1560 : if (IsSRSCompatibleOfGeoTIFF(l_poSRS, eGeoTIFFKeysFlavor))
7916 : {
7917 1560 : GTIFSetFromOGISDefnEx(
7918 : psGTIF,
7919 : OGRSpatialReference::ToHandle(
7920 : const_cast<OGRSpatialReference *>(l_poSRS)),
7921 : eGeoTIFFKeysFlavor, GetGeoTIFFVersion(papszOptions));
7922 : }
7923 : else
7924 : {
7925 0 : bExportSRSToPAM = true;
7926 : }
7927 : }
7928 :
7929 1560 : if (bPixelIsPoint)
7930 : {
7931 10 : GTIFKeySet(psGTIF, GTRasterTypeGeoKey, TYPE_SHORT, 1,
7932 : RasterPixelIsPoint);
7933 : }
7934 :
7935 1560 : GTIFWriteKeys(psGTIF);
7936 1560 : GTIFFree(psGTIF);
7937 : }
7938 :
7939 2013 : bool l_bDontReloadFirstBlock = false;
7940 :
7941 : #ifdef HAVE_LIBJPEG
7942 2013 : if (bCopyFromJPEG)
7943 : {
7944 12 : GTIFF_CopyFromJPEG_WriteAdditionalTags(l_hTIFF, poSrcDS);
7945 : }
7946 : #endif
7947 :
7948 : /* -------------------------------------------------------------------- */
7949 : /* Cleanup */
7950 : /* -------------------------------------------------------------------- */
7951 2013 : if (bCopySrcOverviews)
7952 : {
7953 181 : TIFFDeferStrileArrayWriting(l_hTIFF);
7954 : }
7955 2013 : TIFFWriteCheck(l_hTIFF, TIFFIsTiled(l_hTIFF), "GTiffCreateCopy()");
7956 2013 : TIFFWriteDirectory(l_hTIFF);
7957 2013 : if (bStreaming)
7958 : {
7959 : // We need to write twice the directory to be sure that custom
7960 : // TIFF tags are correctly sorted and that padding bytes have been
7961 : // added.
7962 5 : TIFFSetDirectory(l_hTIFF, 0);
7963 5 : TIFFWriteDirectory(l_hTIFF);
7964 :
7965 5 : if (VSIFSeekL(l_fpL, 0, SEEK_END) != 0)
7966 0 : ReportError(pszFilename, CE_Failure, CPLE_FileIO, "Cannot seek");
7967 5 : const int nSize = static_cast<int>(VSIFTellL(l_fpL));
7968 :
7969 5 : vsi_l_offset nDataLength = 0;
7970 5 : VSIGetMemFileBuffer(l_osTmpFilename, &nDataLength, FALSE);
7971 5 : TIFFSetDirectory(l_hTIFF, 0);
7972 5 : GTiffFillStreamableOffsetAndCount(l_hTIFF, nSize);
7973 5 : TIFFWriteDirectory(l_hTIFF);
7974 : }
7975 2013 : const auto nDirCount = TIFFNumberOfDirectories(l_hTIFF);
7976 2013 : if (nDirCount >= 1)
7977 : {
7978 2006 : TIFFSetDirectory(l_hTIFF, static_cast<tdir_t>(nDirCount - 1));
7979 : }
7980 2013 : const toff_t l_nDirOffset = TIFFCurrentDirOffset(l_hTIFF);
7981 2013 : TIFFFlush(l_hTIFF);
7982 2013 : XTIFFClose(l_hTIFF);
7983 :
7984 2013 : VSIFSeekL(l_fpL, 0, SEEK_SET);
7985 :
7986 : // fpStreaming will assigned to the instance and not closed here.
7987 2013 : VSILFILE *fpStreaming = nullptr;
7988 2013 : if (bStreaming)
7989 : {
7990 5 : vsi_l_offset nDataLength = 0;
7991 : void *pabyBuffer =
7992 5 : VSIGetMemFileBuffer(l_osTmpFilename, &nDataLength, FALSE);
7993 5 : fpStreaming = VSIFOpenL(pszFilename, "wb");
7994 5 : if (fpStreaming == nullptr)
7995 : {
7996 1 : VSIUnlink(l_osTmpFilename);
7997 1 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
7998 1 : return nullptr;
7999 : }
8000 4 : if (static_cast<vsi_l_offset>(VSIFWriteL(pabyBuffer, 1,
8001 : static_cast<int>(nDataLength),
8002 4 : fpStreaming)) != nDataLength)
8003 : {
8004 0 : ReportError(pszFilename, CE_Failure, CPLE_FileIO,
8005 : "Could not write %d bytes",
8006 : static_cast<int>(nDataLength));
8007 0 : CPL_IGNORE_RET_VAL(VSIFCloseL(fpStreaming));
8008 0 : VSIUnlink(l_osTmpFilename);
8009 0 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
8010 0 : return nullptr;
8011 : }
8012 : }
8013 :
8014 : /* -------------------------------------------------------------------- */
8015 : /* Re-open as a dataset and copy over missing metadata using */
8016 : /* PAM facilities. */
8017 : /* -------------------------------------------------------------------- */
8018 2012 : l_hTIFF = VSI_TIFFOpen(bStreaming ? l_osTmpFilename.c_str() : pszFilename,
8019 : "r+", l_fpL);
8020 2012 : if (l_hTIFF == nullptr)
8021 : {
8022 11 : if (bStreaming)
8023 0 : VSIUnlink(l_osTmpFilename);
8024 11 : CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL));
8025 11 : return nullptr;
8026 : }
8027 :
8028 : /* -------------------------------------------------------------------- */
8029 : /* Create a corresponding GDALDataset. */
8030 : /* -------------------------------------------------------------------- */
8031 2001 : GTiffDataset *poDS = new GTiffDataset();
8032 2001 : poDS->SetDescription(pszFilename);
8033 2001 : poDS->eAccess = GA_Update;
8034 2001 : poDS->m_pszFilename = CPLStrdup(pszFilename);
8035 2001 : poDS->m_fpL = l_fpL;
8036 2001 : poDS->m_bIMDRPCMetadataLoaded = true;
8037 2001 : poDS->m_nColorTableMultiplier = nColorTableMultiplier;
8038 2001 : poDS->m_bTileInterleave = bTileInterleaving;
8039 :
8040 2001 : if (bTileInterleaving)
8041 : {
8042 7 : poDS->m_oGTiffMDMD.SetMetadataItem("INTERLEAVE", "TILE",
8043 : "IMAGE_STRUCTURE");
8044 : }
8045 :
8046 2001 : const bool bAppend = CPLFetchBool(papszOptions, "APPEND_SUBDATASET", false);
8047 4001 : if (poDS->OpenOffset(l_hTIFF,
8048 2000 : bAppend ? l_nDirOffset : TIFFCurrentDirOffset(l_hTIFF),
8049 : GA_Update,
8050 : false, // bAllowRGBAInterface
8051 : true // bReadGeoTransform
8052 2001 : ) != CE_None)
8053 : {
8054 0 : delete poDS;
8055 0 : if (bStreaming)
8056 0 : VSIUnlink(l_osTmpFilename);
8057 0 : return nullptr;
8058 : }
8059 :
8060 : // Legacy... Patch back GDT_Int8 type to GDT_Byte if the user used
8061 : // PIXELTYPE=SIGNEDBYTE
8062 2001 : const char *pszPixelType = CSLFetchNameValue(papszOptions, "PIXELTYPE");
8063 2001 : if (pszPixelType == nullptr)
8064 1996 : pszPixelType = "";
8065 2001 : if (eType == GDT_Byte && EQUAL(pszPixelType, "SIGNEDBYTE"))
8066 : {
8067 10 : for (int i = 0; i < poDS->nBands; ++i)
8068 : {
8069 5 : auto poBand = static_cast<GTiffRasterBand *>(poDS->papoBands[i]);
8070 5 : poBand->eDataType = GDT_Byte;
8071 5 : poBand->EnablePixelTypeSignedByteWarning(false);
8072 5 : poBand->SetMetadataItem("PIXELTYPE", "SIGNEDBYTE",
8073 : "IMAGE_STRUCTURE");
8074 5 : poBand->EnablePixelTypeSignedByteWarning(true);
8075 : }
8076 : }
8077 :
8078 2001 : poDS->oOvManager.Initialize(poDS, pszFilename);
8079 :
8080 2001 : if (bStreaming)
8081 : {
8082 4 : VSIUnlink(l_osTmpFilename);
8083 4 : poDS->m_fpToWrite = fpStreaming;
8084 : }
8085 2001 : poDS->m_eProfile = eProfile;
8086 :
8087 2001 : int nCloneInfoFlags = GCIF_PAM_DEFAULT & ~GCIF_MASK;
8088 :
8089 : // If we explicitly asked not to tag the alpha band as such, do not
8090 : // reintroduce this alpha color interpretation in PAM.
8091 2001 : if (poSrcDS->GetRasterBand(l_nBands)->GetColorInterpretation() ==
8092 2123 : GCI_AlphaBand &&
8093 122 : GTiffGetAlphaValue(
8094 : CPLGetConfigOption("GTIFF_ALPHA",
8095 : CSLFetchNameValue(papszOptions, "ALPHA")),
8096 : DEFAULT_ALPHA_TYPE) == EXTRASAMPLE_UNSPECIFIED)
8097 : {
8098 1 : nCloneInfoFlags &= ~GCIF_COLORINTERP;
8099 : }
8100 : // Ignore source band color interpretation if requesting PHOTOMETRIC=RGB
8101 3190 : else if (l_nBands >= 3 &&
8102 1190 : EQUAL(CSLFetchNameValueDef(papszOptions, "PHOTOMETRIC", ""),
8103 : "RGB"))
8104 : {
8105 28 : for (int i = 1; i <= 3; i++)
8106 : {
8107 21 : poDS->GetRasterBand(i)->SetColorInterpretation(
8108 21 : static_cast<GDALColorInterp>(GCI_RedBand + (i - 1)));
8109 : }
8110 7 : nCloneInfoFlags &= ~GCIF_COLORINTERP;
8111 9 : if (!(l_nBands == 4 &&
8112 2 : CSLFetchNameValue(papszOptions, "ALPHA") != nullptr))
8113 : {
8114 15 : for (int i = 4; i <= l_nBands; i++)
8115 : {
8116 18 : poDS->GetRasterBand(i)->SetColorInterpretation(
8117 9 : poSrcDS->GetRasterBand(i)->GetColorInterpretation());
8118 : }
8119 : }
8120 : }
8121 :
8122 : CPLString osOldGTIFF_REPORT_COMPD_CSVal(
8123 4002 : CPLGetConfigOption("GTIFF_REPORT_COMPD_CS", ""));
8124 2001 : CPLSetThreadLocalConfigOption("GTIFF_REPORT_COMPD_CS", "YES");
8125 2001 : poDS->CloneInfo(poSrcDS, nCloneInfoFlags);
8126 2001 : CPLSetThreadLocalConfigOption("GTIFF_REPORT_COMPD_CS",
8127 2001 : osOldGTIFF_REPORT_COMPD_CSVal.empty()
8128 : ? nullptr
8129 0 : : osOldGTIFF_REPORT_COMPD_CSVal.c_str());
8130 :
8131 2018 : if ((!bGeoTIFF || bExportSRSToPAM) &&
8132 17 : (poDS->GetPamFlags() & GPF_DISABLED) == 0)
8133 : {
8134 : // Copy georeferencing info to PAM if the profile is not GeoTIFF
8135 16 : poDS->GDALPamDataset::SetSpatialRef(poDS->GetSpatialRef());
8136 16 : GDALGeoTransform gt;
8137 16 : if (poDS->GetGeoTransform(gt) == CE_None)
8138 : {
8139 5 : poDS->GDALPamDataset::SetGeoTransform(gt);
8140 : }
8141 16 : poDS->GDALPamDataset::SetGCPs(poDS->GetGCPCount(), poDS->GetGCPs(),
8142 : poDS->GetGCPSpatialRef());
8143 : }
8144 :
8145 2001 : poDS->m_papszCreationOptions = CSLDuplicate(papszOptions);
8146 2001 : poDS->m_bDontReloadFirstBlock = l_bDontReloadFirstBlock;
8147 :
8148 : /* -------------------------------------------------------------------- */
8149 : /* CloneInfo() does not merge metadata, it just replaces it */
8150 : /* totally. So we have to merge it. */
8151 : /* -------------------------------------------------------------------- */
8152 :
8153 2001 : char **papszSRC_MD = poSrcDS->GetMetadata();
8154 2001 : char **papszDST_MD = CSLDuplicate(poDS->GetMetadata());
8155 :
8156 2001 : papszDST_MD = CSLMerge(papszDST_MD, papszSRC_MD);
8157 :
8158 2001 : poDS->SetMetadata(papszDST_MD);
8159 2001 : CSLDestroy(papszDST_MD);
8160 :
8161 : // Depending on the PHOTOMETRIC tag, the TIFF file may not have the same
8162 : // band count as the source. Will fail later in GDALDatasetCopyWholeRaster
8163 : // anyway.
8164 6847 : for (int nBand = 1;
8165 6847 : nBand <= std::min(poDS->GetRasterCount(), poSrcDS->GetRasterCount());
8166 : ++nBand)
8167 : {
8168 4846 : GDALRasterBand *poSrcBand = poSrcDS->GetRasterBand(nBand);
8169 4846 : GDALRasterBand *poDstBand = poDS->GetRasterBand(nBand);
8170 4846 : papszSRC_MD = poSrcBand->GetMetadata();
8171 4846 : papszDST_MD = CSLDuplicate(poDstBand->GetMetadata());
8172 :
8173 4846 : papszDST_MD = CSLMerge(papszDST_MD, papszSRC_MD);
8174 :
8175 4846 : poDstBand->SetMetadata(papszDST_MD);
8176 4846 : CSLDestroy(papszDST_MD);
8177 :
8178 4846 : char **papszCatNames = poSrcBand->GetCategoryNames();
8179 4846 : if (nullptr != papszCatNames)
8180 0 : poDstBand->SetCategoryNames(papszCatNames);
8181 : }
8182 :
8183 2001 : l_hTIFF = static_cast<TIFF *>(poDS->GetInternalHandle("TIFF_HANDLE"));
8184 :
8185 : /* -------------------------------------------------------------------- */
8186 : /* Handle forcing xml:ESRI data to be written to PAM. */
8187 : /* -------------------------------------------------------------------- */
8188 2001 : if (CPLTestBool(CPLGetConfigOption("ESRI_XML_PAM", "NO")))
8189 : {
8190 1 : char **papszESRIMD = poSrcDS->GetMetadata("xml:ESRI");
8191 1 : if (papszESRIMD)
8192 : {
8193 1 : poDS->SetMetadata(papszESRIMD, "xml:ESRI");
8194 : }
8195 : }
8196 :
8197 : /* -------------------------------------------------------------------- */
8198 : /* Second chance: now that we have a PAM dataset, it is possible */
8199 : /* to write metadata that we could not write as a TIFF tag. */
8200 : /* -------------------------------------------------------------------- */
8201 2001 : if (!bHasWrittenMDInGeotiffTAG && !bStreaming)
8202 : {
8203 6 : GTiffDataset::WriteMetadata(
8204 : poDS, l_hTIFF, true, eProfile, pszFilename, papszOptions,
8205 : true /* don't write RPC and IMD file again */);
8206 : }
8207 :
8208 2001 : if (!bStreaming)
8209 1997 : GTiffDataset::WriteRPC(poDS, l_hTIFF, true, eProfile, pszFilename,
8210 : papszOptions,
8211 : true /* write only in PAM AND if needed */);
8212 :
8213 : // Propagate ISIS3 or VICAR metadata, but only as PAM metadata.
8214 6003 : for (const char *pszMDD : {"json:ISIS3", "json:VICAR"})
8215 : {
8216 4002 : char **papszMD = poSrcDS->GetMetadata(pszMDD);
8217 4002 : if (papszMD)
8218 : {
8219 3 : poDS->SetMetadata(papszMD, pszMDD);
8220 3 : poDS->PushMetadataToPam();
8221 : }
8222 : }
8223 :
8224 2001 : poDS->m_bWriteCOGLayout = bCopySrcOverviews;
8225 :
8226 : // To avoid unnecessary directory rewriting.
8227 2001 : poDS->m_bMetadataChanged = false;
8228 2001 : poDS->m_bGeoTIFFInfoChanged = false;
8229 2001 : poDS->m_bNoDataChanged = false;
8230 2001 : poDS->m_bForceUnsetGTOrGCPs = false;
8231 2001 : poDS->m_bForceUnsetProjection = false;
8232 2001 : poDS->m_bStreamingOut = bStreaming;
8233 :
8234 : // Don't try to load external metadata files (#6597).
8235 2001 : poDS->m_bIMDRPCMetadataLoaded = true;
8236 :
8237 : // We must re-set the compression level at this point, since it has been
8238 : // lost a few lines above when closing the newly create TIFF file The
8239 : // TIFFTAG_ZIPQUALITY & TIFFTAG_JPEGQUALITY are not store in the TIFF file.
8240 : // They are just TIFF session parameters.
8241 :
8242 2001 : poDS->m_nZLevel = GTiffGetZLevel(papszOptions);
8243 2001 : poDS->m_nLZMAPreset = GTiffGetLZMAPreset(papszOptions);
8244 2001 : poDS->m_nZSTDLevel = GTiffGetZSTDPreset(papszOptions);
8245 2001 : poDS->m_nWebPLevel = GTiffGetWebPLevel(papszOptions);
8246 2001 : poDS->m_bWebPLossless = GTiffGetWebPLossless(papszOptions);
8247 2004 : if (poDS->m_nWebPLevel != 100 && poDS->m_bWebPLossless &&
8248 3 : CSLFetchNameValue(papszOptions, "WEBP_LEVEL"))
8249 : {
8250 0 : CPLError(CE_Warning, CPLE_AppDefined,
8251 : "WEBP_LEVEL is specified, but WEBP_LOSSLESS=YES. "
8252 : "WEBP_LEVEL will be ignored.");
8253 : }
8254 2001 : poDS->m_nJpegQuality = GTiffGetJpegQuality(papszOptions);
8255 2001 : poDS->m_nJpegTablesMode = GTiffGetJpegTablesMode(papszOptions);
8256 2001 : poDS->GetDiscardLsbOption(papszOptions);
8257 2001 : poDS->m_dfMaxZError = GTiffGetLERCMaxZError(papszOptions);
8258 2001 : poDS->m_dfMaxZErrorOverview = GTiffGetLERCMaxZErrorOverview(papszOptions);
8259 : #if HAVE_JXL
8260 2001 : poDS->m_bJXLLossless = GTiffGetJXLLossless(papszOptions);
8261 2001 : poDS->m_nJXLEffort = GTiffGetJXLEffort(papszOptions);
8262 2001 : poDS->m_fJXLDistance = GTiffGetJXLDistance(papszOptions);
8263 2001 : poDS->m_fJXLAlphaDistance = GTiffGetJXLAlphaDistance(papszOptions);
8264 : #endif
8265 2001 : poDS->InitCreationOrOpenOptions(true, papszOptions);
8266 :
8267 2001 : if (l_nCompression == COMPRESSION_ADOBE_DEFLATE ||
8268 1976 : l_nCompression == COMPRESSION_LERC)
8269 : {
8270 96 : GTiffSetDeflateSubCodec(l_hTIFF);
8271 :
8272 96 : if (poDS->m_nZLevel != -1)
8273 : {
8274 12 : TIFFSetField(l_hTIFF, TIFFTAG_ZIPQUALITY, poDS->m_nZLevel);
8275 : }
8276 : }
8277 2001 : if (l_nCompression == COMPRESSION_JPEG)
8278 : {
8279 75 : if (poDS->m_nJpegQuality != -1)
8280 : {
8281 9 : TIFFSetField(l_hTIFF, TIFFTAG_JPEGQUALITY, poDS->m_nJpegQuality);
8282 : }
8283 75 : TIFFSetField(l_hTIFF, TIFFTAG_JPEGTABLESMODE, poDS->m_nJpegTablesMode);
8284 : }
8285 2001 : if (l_nCompression == COMPRESSION_LZMA)
8286 : {
8287 7 : if (poDS->m_nLZMAPreset != -1)
8288 : {
8289 6 : TIFFSetField(l_hTIFF, TIFFTAG_LZMAPRESET, poDS->m_nLZMAPreset);
8290 : }
8291 : }
8292 2001 : if (l_nCompression == COMPRESSION_ZSTD ||
8293 1993 : l_nCompression == COMPRESSION_LERC)
8294 : {
8295 79 : if (poDS->m_nZSTDLevel != -1)
8296 : {
8297 8 : TIFFSetField(l_hTIFF, TIFFTAG_ZSTD_LEVEL, poDS->m_nZSTDLevel);
8298 : }
8299 : }
8300 2001 : if (l_nCompression == COMPRESSION_LERC)
8301 : {
8302 71 : TIFFSetField(l_hTIFF, TIFFTAG_LERC_MAXZERROR, poDS->m_dfMaxZError);
8303 : }
8304 : #if HAVE_JXL
8305 2001 : if (l_nCompression == COMPRESSION_JXL ||
8306 2001 : l_nCompression == COMPRESSION_JXL_DNG_1_7)
8307 : {
8308 88 : TIFFSetField(l_hTIFF, TIFFTAG_JXL_LOSSYNESS,
8309 88 : poDS->m_bJXLLossless ? JXL_LOSSLESS : JXL_LOSSY);
8310 88 : TIFFSetField(l_hTIFF, TIFFTAG_JXL_EFFORT, poDS->m_nJXLEffort);
8311 88 : TIFFSetField(l_hTIFF, TIFFTAG_JXL_DISTANCE, poDS->m_fJXLDistance);
8312 88 : TIFFSetField(l_hTIFF, TIFFTAG_JXL_ALPHA_DISTANCE,
8313 88 : poDS->m_fJXLAlphaDistance);
8314 : }
8315 : #endif
8316 2001 : if (l_nCompression == COMPRESSION_WEBP)
8317 : {
8318 14 : if (poDS->m_nWebPLevel != -1)
8319 : {
8320 14 : TIFFSetField(l_hTIFF, TIFFTAG_WEBP_LEVEL, poDS->m_nWebPLevel);
8321 : }
8322 :
8323 14 : if (poDS->m_bWebPLossless)
8324 : {
8325 5 : TIFFSetField(l_hTIFF, TIFFTAG_WEBP_LOSSLESS, poDS->m_bWebPLossless);
8326 : }
8327 : }
8328 :
8329 : /* -------------------------------------------------------------------- */
8330 : /* Do we want to ensure all blocks get written out on close to */
8331 : /* avoid sparse files? */
8332 : /* -------------------------------------------------------------------- */
8333 2001 : if (!CPLFetchBool(papszOptions, "SPARSE_OK", false))
8334 1973 : poDS->m_bFillEmptyTilesAtClosing = true;
8335 :
8336 2001 : poDS->m_bWriteEmptyTiles =
8337 3825 : (bCopySrcOverviews && poDS->m_bFillEmptyTilesAtClosing) || bStreaming ||
8338 1824 : (poDS->m_nCompression != COMPRESSION_NONE &&
8339 300 : poDS->m_bFillEmptyTilesAtClosing);
8340 : // Only required for people writing non-compressed striped files in the
8341 : // rightorder and wanting all tstrips to be written in the same order
8342 : // so that the end result can be memory mapped without knowledge of each
8343 : // strip offset
8344 2001 : if (CPLTestBool(CSLFetchNameValueDef(
8345 4002 : papszOptions, "WRITE_EMPTY_TILES_SYNCHRONOUSLY", "FALSE")) ||
8346 2001 : CPLTestBool(CSLFetchNameValueDef(
8347 : papszOptions, "@WRITE_EMPTY_TILES_SYNCHRONOUSLY", "FALSE")))
8348 : {
8349 0 : poDS->m_bWriteEmptyTiles = true;
8350 : }
8351 :
8352 : // Precreate (internal) mask, so that the IBuildOverviews() below
8353 : // has a chance to create also the overviews of the mask.
8354 2001 : CPLErr eErr = CE_None;
8355 :
8356 2001 : if (bCreateMask)
8357 : {
8358 38 : eErr = poDS->CreateMaskBand(nMaskFlags);
8359 38 : if (poDS->m_poMaskDS)
8360 : {
8361 37 : poDS->m_poMaskDS->m_bFillEmptyTilesAtClosing =
8362 37 : poDS->m_bFillEmptyTilesAtClosing;
8363 37 : poDS->m_poMaskDS->m_bWriteEmptyTiles = poDS->m_bWriteEmptyTiles;
8364 : }
8365 : }
8366 :
8367 : /* -------------------------------------------------------------------- */
8368 : /* Create and then copy existing overviews if requested */
8369 : /* We do it such that all the IFDs are at the beginning of the file, */
8370 : /* and that the imagery data for the smallest overview is written */
8371 : /* first, that way the file is more usable when embedded in a */
8372 : /* compressed stream. */
8373 : /* -------------------------------------------------------------------- */
8374 :
8375 : // For scaled progress due to overview copying.
8376 2001 : const int nBandsWidthMask = l_nBands + (bCreateMask ? 1 : 0);
8377 2001 : double dfTotalPixels =
8378 2001 : static_cast<double>(nXSize) * nYSize * nBandsWidthMask;
8379 2001 : double dfCurPixels = 0;
8380 :
8381 2001 : if (eErr == CE_None && bCopySrcOverviews)
8382 : {
8383 0 : std::unique_ptr<GDALDataset> poMaskOvrDS;
8384 : const char *pszMaskOvrDS =
8385 178 : CSLFetchNameValue(papszOptions, "@MASK_OVERVIEW_DATASET");
8386 178 : if (pszMaskOvrDS)
8387 : {
8388 10 : poMaskOvrDS.reset(GDALDataset::Open(pszMaskOvrDS));
8389 10 : if (!poMaskOvrDS)
8390 : {
8391 0 : delete poDS;
8392 0 : return nullptr;
8393 : }
8394 10 : if (poMaskOvrDS->GetRasterCount() != 1)
8395 : {
8396 0 : delete poDS;
8397 0 : return nullptr;
8398 : }
8399 : }
8400 178 : if (nSrcOverviews)
8401 : {
8402 66 : eErr = poDS->CreateOverviewsFromSrcOverviews(poSrcDS, poOvrDS.get(),
8403 : nSrcOverviews);
8404 :
8405 188 : if (eErr == CE_None &&
8406 66 : (poMaskOvrDS != nullptr ||
8407 56 : (poSrcDS->GetRasterBand(1)->GetOverview(0) &&
8408 29 : poSrcDS->GetRasterBand(1)->GetOverview(0)->GetMaskFlags() ==
8409 : GMF_PER_DATASET)))
8410 : {
8411 19 : int nOvrBlockXSize = 0;
8412 19 : int nOvrBlockYSize = 0;
8413 19 : GTIFFGetOverviewBlockSize(
8414 : GDALRasterBand::ToHandle(poDS->GetRasterBand(1)),
8415 : &nOvrBlockXSize, &nOvrBlockYSize);
8416 19 : eErr = poDS->CreateInternalMaskOverviews(nOvrBlockXSize,
8417 : nOvrBlockYSize);
8418 : }
8419 : }
8420 :
8421 178 : TIFFForceStrileArrayWriting(poDS->m_hTIFF);
8422 :
8423 178 : if (poDS->m_poMaskDS)
8424 : {
8425 27 : TIFFForceStrileArrayWriting(poDS->m_poMaskDS->m_hTIFF);
8426 : }
8427 :
8428 303 : for (int i = 0; i < poDS->m_nOverviewCount; i++)
8429 : {
8430 125 : TIFFForceStrileArrayWriting(poDS->m_papoOverviewDS[i]->m_hTIFF);
8431 :
8432 125 : if (poDS->m_papoOverviewDS[i]->m_poMaskDS)
8433 : {
8434 36 : TIFFForceStrileArrayWriting(
8435 36 : poDS->m_papoOverviewDS[i]->m_poMaskDS->m_hTIFF);
8436 : }
8437 : }
8438 :
8439 178 : if (eErr == CE_None && nSrcOverviews)
8440 : {
8441 66 : if (poDS->m_nOverviewCount != nSrcOverviews)
8442 : {
8443 0 : ReportError(
8444 : pszFilename, CE_Failure, CPLE_AppDefined,
8445 : "Did only manage to instantiate %d overview levels, "
8446 : "whereas source contains %d",
8447 0 : poDS->m_nOverviewCount, nSrcOverviews);
8448 0 : eErr = CE_Failure;
8449 : }
8450 :
8451 191 : for (int i = 0; eErr == CE_None && i < nSrcOverviews; ++i)
8452 : {
8453 : GDALRasterBand *poOvrBand =
8454 : poOvrDS
8455 203 : ? (i == 0
8456 78 : ? poOvrDS->GetRasterBand(1)
8457 41 : : poOvrDS->GetRasterBand(1)->GetOverview(i - 1))
8458 172 : : poSrcDS->GetRasterBand(1)->GetOverview(i);
8459 : const double dfOvrPixels =
8460 125 : static_cast<double>(poOvrBand->GetXSize()) *
8461 125 : poOvrBand->GetYSize();
8462 125 : dfTotalPixels += dfOvrPixels * l_nBands;
8463 236 : if (poOvrBand->GetMaskFlags() == GMF_PER_DATASET ||
8464 111 : poMaskOvrDS != nullptr)
8465 : {
8466 36 : dfTotalPixels += dfOvrPixels;
8467 : }
8468 89 : else if (i == 0 && poDS->GetRasterBand(1)->GetMaskFlags() ==
8469 : GMF_PER_DATASET)
8470 : {
8471 1 : ReportError(pszFilename, CE_Warning, CPLE_AppDefined,
8472 : "Source dataset has a mask band on full "
8473 : "resolution, overviews on the regular bands, "
8474 : "but lacks overviews on the mask band.");
8475 : }
8476 : }
8477 :
8478 : // Now copy the imagery.
8479 : // Begin with the smallest overview.
8480 66 : for (int iOvrLevel = nSrcOverviews - 1;
8481 190 : eErr == CE_None && iOvrLevel >= 0; --iOvrLevel)
8482 : {
8483 124 : auto poDstDS = poDS->m_papoOverviewDS[iOvrLevel];
8484 :
8485 : // Create a fake dataset with the source overview level so that
8486 : // GDALDatasetCopyWholeRaster can cope with it.
8487 : GDALDataset *poSrcOvrDS =
8488 : poOvrDS
8489 165 : ? (iOvrLevel == 0 ? poOvrDS.get()
8490 41 : : GDALCreateOverviewDataset(
8491 : poOvrDS.get(), iOvrLevel - 1,
8492 : /* bThisLevelOnly = */ true))
8493 46 : : GDALCreateOverviewDataset(
8494 : poSrcDS, iOvrLevel,
8495 124 : /* bThisLevelOnly = */ true);
8496 : GDALRasterBand *poSrcOvrBand =
8497 202 : poOvrDS ? (iOvrLevel == 0
8498 78 : ? poOvrDS->GetRasterBand(1)
8499 82 : : poOvrDS->GetRasterBand(1)->GetOverview(
8500 41 : iOvrLevel - 1))
8501 170 : : poSrcDS->GetRasterBand(1)->GetOverview(iOvrLevel);
8502 : double dfNextCurPixels =
8503 : dfCurPixels +
8504 124 : static_cast<double>(poSrcOvrBand->GetXSize()) *
8505 124 : poSrcOvrBand->GetYSize() * l_nBands;
8506 :
8507 124 : poDstDS->m_bBlockOrderRowMajor = true;
8508 124 : poDstDS->m_bLeaderSizeAsUInt4 = true;
8509 124 : poDstDS->m_bTrailerRepeatedLast4BytesRepeated = true;
8510 124 : poDstDS->m_bFillEmptyTilesAtClosing =
8511 124 : poDS->m_bFillEmptyTilesAtClosing;
8512 124 : poDstDS->m_bWriteEmptyTiles = poDS->m_bWriteEmptyTiles;
8513 124 : poDstDS->m_bTileInterleave = poDS->m_bTileInterleave;
8514 124 : GDALRasterBand *poSrcMaskBand = nullptr;
8515 124 : if (poDstDS->m_poMaskDS)
8516 : {
8517 36 : poDstDS->m_poMaskDS->m_bBlockOrderRowMajor = true;
8518 36 : poDstDS->m_poMaskDS->m_bLeaderSizeAsUInt4 = true;
8519 36 : poDstDS->m_poMaskDS->m_bTrailerRepeatedLast4BytesRepeated =
8520 : true;
8521 36 : poDstDS->m_poMaskDS->m_bFillEmptyTilesAtClosing =
8522 36 : poDS->m_bFillEmptyTilesAtClosing;
8523 36 : poDstDS->m_poMaskDS->m_bWriteEmptyTiles =
8524 36 : poDS->m_bWriteEmptyTiles;
8525 :
8526 36 : poSrcMaskBand =
8527 : poMaskOvrDS
8528 58 : ? (iOvrLevel == 0
8529 22 : ? poMaskOvrDS->GetRasterBand(1)
8530 24 : : poMaskOvrDS->GetRasterBand(1)->GetOverview(
8531 12 : iOvrLevel - 1))
8532 50 : : poSrcOvrBand->GetMaskBand();
8533 : }
8534 :
8535 124 : if (poDstDS->m_poMaskDS)
8536 : {
8537 36 : dfNextCurPixels +=
8538 36 : static_cast<double>(poSrcOvrBand->GetXSize()) *
8539 36 : poSrcOvrBand->GetYSize();
8540 : }
8541 : void *pScaledData =
8542 124 : GDALCreateScaledProgress(dfCurPixels / dfTotalPixels,
8543 : dfNextCurPixels / dfTotalPixels,
8544 : pfnProgress, pProgressData);
8545 :
8546 124 : eErr = CopyImageryAndMask(poDstDS, poSrcOvrDS, poSrcMaskBand,
8547 : GDALScaledProgress, pScaledData);
8548 :
8549 124 : dfCurPixels = dfNextCurPixels;
8550 124 : GDALDestroyScaledProgress(pScaledData);
8551 :
8552 124 : if (poSrcOvrDS != poOvrDS.get())
8553 87 : delete poSrcOvrDS;
8554 124 : poSrcOvrDS = nullptr;
8555 : }
8556 : }
8557 : }
8558 :
8559 : /* -------------------------------------------------------------------- */
8560 : /* Copy actual imagery. */
8561 : /* -------------------------------------------------------------------- */
8562 2001 : double dfNextCurPixels =
8563 2001 : dfCurPixels + static_cast<double>(nXSize) * nYSize * l_nBands;
8564 2001 : void *pScaledData = GDALCreateScaledProgress(
8565 : dfCurPixels / dfTotalPixels, dfNextCurPixels / dfTotalPixels,
8566 : pfnProgress, pProgressData);
8567 :
8568 : #if defined(HAVE_LIBJPEG) || defined(JPEG_DIRECT_COPY)
8569 2001 : bool bTryCopy = true;
8570 : #endif
8571 :
8572 : #ifdef HAVE_LIBJPEG
8573 2001 : if (bCopyFromJPEG)
8574 : {
8575 12 : eErr = GTIFF_CopyFromJPEG(poDS, poSrcDS, pfnProgress, pProgressData,
8576 : bTryCopy);
8577 :
8578 : // In case of failure in the decompression step, try normal copy.
8579 12 : if (bTryCopy)
8580 0 : eErr = CE_None;
8581 : }
8582 : #endif
8583 :
8584 : #ifdef JPEG_DIRECT_COPY
8585 : if (bDirectCopyFromJPEG)
8586 : {
8587 : eErr = GTIFF_DirectCopyFromJPEG(poDS, poSrcDS, pfnProgress,
8588 : pProgressData, bTryCopy);
8589 :
8590 : // In case of failure in the reading step, try normal copy.
8591 : if (bTryCopy)
8592 : eErr = CE_None;
8593 : }
8594 : #endif
8595 :
8596 2001 : bool bWriteMask = true;
8597 2001 : if (
8598 : #if defined(HAVE_LIBJPEG) || defined(JPEG_DIRECT_COPY)
8599 1989 : bTryCopy &&
8600 : #endif
8601 1989 : (poDS->m_bTreatAsSplit || poDS->m_bTreatAsSplitBitmap))
8602 : {
8603 : // For split bands, we use TIFFWriteScanline() interface.
8604 9 : CPLAssert(poDS->m_nBitsPerSample == 8 || poDS->m_nBitsPerSample == 1);
8605 :
8606 9 : if (poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG && poDS->nBands > 1)
8607 : {
8608 : GByte *pabyScanline = static_cast<GByte *>(
8609 3 : VSI_MALLOC_VERBOSE(TIFFScanlineSize(l_hTIFF)));
8610 3 : if (pabyScanline == nullptr)
8611 0 : eErr = CE_Failure;
8612 9052 : for (int j = 0; j < nYSize && eErr == CE_None; ++j)
8613 : {
8614 18098 : eErr = poSrcDS->RasterIO(GF_Read, 0, j, nXSize, 1, pabyScanline,
8615 : nXSize, 1, GDT_Byte, l_nBands, nullptr,
8616 9049 : poDS->nBands, 0, 1, nullptr);
8617 18098 : if (eErr == CE_None &&
8618 9049 : TIFFWriteScanline(l_hTIFF, pabyScanline, j, 0) == -1)
8619 : {
8620 0 : ReportError(pszFilename, CE_Failure, CPLE_AppDefined,
8621 : "TIFFWriteScanline() failed.");
8622 0 : eErr = CE_Failure;
8623 : }
8624 9049 : if (!GDALScaledProgress((j + 1) * 1.0 / nYSize, nullptr,
8625 : pScaledData))
8626 0 : eErr = CE_Failure;
8627 : }
8628 3 : CPLFree(pabyScanline);
8629 : }
8630 : else
8631 : {
8632 : GByte *pabyScanline =
8633 6 : static_cast<GByte *>(VSI_MALLOC_VERBOSE(nXSize));
8634 6 : if (pabyScanline == nullptr)
8635 0 : eErr = CE_Failure;
8636 : else
8637 6 : eErr = CE_None;
8638 14 : for (int iBand = 1; iBand <= l_nBands && eErr == CE_None; ++iBand)
8639 : {
8640 48211 : for (int j = 0; j < nYSize && eErr == CE_None; ++j)
8641 : {
8642 48203 : eErr = poSrcDS->GetRasterBand(iBand)->RasterIO(
8643 : GF_Read, 0, j, nXSize, 1, pabyScanline, nXSize, 1,
8644 : GDT_Byte, 0, 0, nullptr);
8645 48203 : if (poDS->m_bTreatAsSplitBitmap)
8646 : {
8647 7225210 : for (int i = 0; i < nXSize; ++i)
8648 : {
8649 7216010 : const GByte byVal = pabyScanline[i];
8650 7216010 : if ((i & 0x7) == 0)
8651 902001 : pabyScanline[i >> 3] = 0;
8652 7216010 : if (byVal)
8653 7097220 : pabyScanline[i >> 3] |= 0x80 >> (i & 0x7);
8654 : }
8655 : }
8656 96406 : if (eErr == CE_None &&
8657 48203 : TIFFWriteScanline(l_hTIFF, pabyScanline, j,
8658 48203 : static_cast<uint16_t>(iBand - 1)) ==
8659 : -1)
8660 : {
8661 0 : ReportError(pszFilename, CE_Failure, CPLE_AppDefined,
8662 : "TIFFWriteScanline() failed.");
8663 0 : eErr = CE_Failure;
8664 : }
8665 48203 : if (!GDALScaledProgress((j + 1 + (iBand - 1) * nYSize) *
8666 48203 : 1.0 / (l_nBands * nYSize),
8667 : nullptr, pScaledData))
8668 0 : eErr = CE_Failure;
8669 : }
8670 : }
8671 6 : CPLFree(pabyScanline);
8672 : }
8673 :
8674 : // Necessary to be able to read the file without re-opening.
8675 9 : TIFFSizeProc pfnSizeProc = TIFFGetSizeProc(l_hTIFF);
8676 :
8677 9 : TIFFFlushData(l_hTIFF);
8678 :
8679 9 : toff_t nNewDirOffset = pfnSizeProc(TIFFClientdata(l_hTIFF));
8680 9 : if ((nNewDirOffset % 2) == 1)
8681 5 : ++nNewDirOffset;
8682 :
8683 9 : TIFFFlush(l_hTIFF);
8684 :
8685 9 : if (poDS->m_nDirOffset != TIFFCurrentDirOffset(l_hTIFF))
8686 : {
8687 0 : poDS->m_nDirOffset = nNewDirOffset;
8688 0 : CPLDebug("GTiff", "directory moved during flush.");
8689 9 : }
8690 : }
8691 1992 : else if (
8692 : #if defined(HAVE_LIBJPEG) || defined(JPEG_DIRECT_COPY)
8693 1980 : bTryCopy &&
8694 : #endif
8695 : eErr == CE_None)
8696 : {
8697 1979 : const char *papszCopyWholeRasterOptions[3] = {nullptr, nullptr,
8698 : nullptr};
8699 1979 : int iNextOption = 0;
8700 1979 : papszCopyWholeRasterOptions[iNextOption++] = "SKIP_HOLES=YES";
8701 1979 : if (l_nCompression != COMPRESSION_NONE)
8702 : {
8703 444 : papszCopyWholeRasterOptions[iNextOption++] = "COMPRESSED=YES";
8704 : }
8705 :
8706 : // For streaming with separate, we really want that bands are written
8707 : // after each other, even if the source is pixel interleaved.
8708 1535 : else if (bStreaming && poDS->m_nPlanarConfig == PLANARCONFIG_SEPARATE)
8709 : {
8710 1 : papszCopyWholeRasterOptions[iNextOption++] = "INTERLEAVE=BAND";
8711 : }
8712 :
8713 1979 : if (bCopySrcOverviews || bTileInterleaving)
8714 : {
8715 178 : poDS->m_bBlockOrderRowMajor = true;
8716 178 : poDS->m_bLeaderSizeAsUInt4 = bCopySrcOverviews;
8717 178 : poDS->m_bTrailerRepeatedLast4BytesRepeated = bCopySrcOverviews;
8718 178 : if (poDS->m_poMaskDS)
8719 : {
8720 27 : poDS->m_poMaskDS->m_bBlockOrderRowMajor = true;
8721 27 : poDS->m_poMaskDS->m_bLeaderSizeAsUInt4 = bCopySrcOverviews;
8722 27 : poDS->m_poMaskDS->m_bTrailerRepeatedLast4BytesRepeated =
8723 : bCopySrcOverviews;
8724 27 : GDALDestroyScaledProgress(pScaledData);
8725 : pScaledData =
8726 27 : GDALCreateScaledProgress(dfCurPixels / dfTotalPixels, 1.0,
8727 : pfnProgress, pProgressData);
8728 : }
8729 :
8730 178 : eErr = CopyImageryAndMask(poDS, poSrcDS,
8731 178 : poSrcDS->GetRasterBand(1)->GetMaskBand(),
8732 : GDALScaledProgress, pScaledData);
8733 178 : if (poDS->m_poMaskDS)
8734 : {
8735 27 : bWriteMask = false;
8736 : }
8737 : }
8738 : else
8739 : {
8740 1801 : eErr = GDALDatasetCopyWholeRaster(
8741 : /* (GDALDatasetH) */ poSrcDS,
8742 : /* (GDALDatasetH) */ poDS, papszCopyWholeRasterOptions,
8743 : GDALScaledProgress, pScaledData);
8744 : }
8745 : }
8746 :
8747 2001 : GDALDestroyScaledProgress(pScaledData);
8748 :
8749 2001 : if (eErr == CE_None && !bStreaming && bWriteMask)
8750 : {
8751 1952 : pScaledData = GDALCreateScaledProgress(dfNextCurPixels / dfTotalPixels,
8752 : 1.0, pfnProgress, pProgressData);
8753 1952 : if (poDS->m_poMaskDS)
8754 : {
8755 10 : const char *l_papszOptions[2] = {"COMPRESSED=YES", nullptr};
8756 10 : eErr = GDALRasterBandCopyWholeRaster(
8757 10 : poSrcDS->GetRasterBand(1)->GetMaskBand(),
8758 10 : poDS->GetRasterBand(1)->GetMaskBand(),
8759 : const_cast<char **>(l_papszOptions), GDALScaledProgress,
8760 : pScaledData);
8761 : }
8762 : else
8763 : {
8764 : eErr =
8765 1942 : GDALDriver::DefaultCopyMasks(poSrcDS, poDS, bStrict, nullptr,
8766 : GDALScaledProgress, pScaledData);
8767 : }
8768 1952 : GDALDestroyScaledProgress(pScaledData);
8769 : }
8770 :
8771 2001 : poDS->m_bWriteCOGLayout = false;
8772 :
8773 2001 : if (eErr == CE_Failure)
8774 : {
8775 18 : delete poDS;
8776 18 : poDS = nullptr;
8777 :
8778 18 : if (CPLTestBool(CPLGetConfigOption("GTIFF_DELETE_ON_ERROR", "YES")))
8779 : {
8780 17 : if (!bStreaming)
8781 : {
8782 : // Should really delete more carefully.
8783 17 : VSIUnlink(pszFilename);
8784 : }
8785 : }
8786 : }
8787 :
8788 2001 : return poDS;
8789 : }
8790 :
8791 : /************************************************************************/
8792 : /* SetSpatialRef() */
8793 : /************************************************************************/
8794 :
8795 1398 : CPLErr GTiffDataset::SetSpatialRef(const OGRSpatialReference *poSRS)
8796 :
8797 : {
8798 1398 : if (m_bStreamingOut && m_bCrystalized)
8799 : {
8800 1 : ReportError(CE_Failure, CPLE_NotSupported,
8801 : "Cannot modify projection at that point in "
8802 : "a streamed output file");
8803 1 : return CE_Failure;
8804 : }
8805 :
8806 1397 : LoadGeoreferencingAndPamIfNeeded();
8807 1397 : LookForProjection();
8808 :
8809 1397 : CPLErr eErr = CE_None;
8810 1397 : if (eAccess == GA_Update)
8811 : {
8812 1399 : if ((m_eProfile == GTiffProfile::BASELINE) &&
8813 7 : (GetPamFlags() & GPF_DISABLED) == 0)
8814 : {
8815 7 : eErr = GDALPamDataset::SetSpatialRef(poSRS);
8816 : }
8817 : else
8818 : {
8819 1385 : if (GDALPamDataset::GetSpatialRef() != nullptr)
8820 : {
8821 : // Cancel any existing SRS from PAM file.
8822 1 : GDALPamDataset::SetSpatialRef(nullptr);
8823 : }
8824 1385 : m_bGeoTIFFInfoChanged = true;
8825 : }
8826 : }
8827 : else
8828 : {
8829 5 : CPLDebug("GTIFF", "SetSpatialRef() goes to PAM instead of TIFF tags");
8830 5 : eErr = GDALPamDataset::SetSpatialRef(poSRS);
8831 : }
8832 :
8833 1397 : if (eErr == CE_None)
8834 : {
8835 1397 : if (poSRS == nullptr || poSRS->IsEmpty())
8836 : {
8837 14 : if (!m_oSRS.IsEmpty())
8838 : {
8839 4 : m_bForceUnsetProjection = true;
8840 : }
8841 14 : m_oSRS.Clear();
8842 : }
8843 : else
8844 : {
8845 1383 : m_oSRS = *poSRS;
8846 1383 : m_oSRS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
8847 : }
8848 : }
8849 :
8850 1397 : return eErr;
8851 : }
8852 :
8853 : /************************************************************************/
8854 : /* SetGeoTransform() */
8855 : /************************************************************************/
8856 :
8857 1688 : CPLErr GTiffDataset::SetGeoTransform(const GDALGeoTransform >)
8858 :
8859 : {
8860 1688 : if (m_bStreamingOut && m_bCrystalized)
8861 : {
8862 1 : ReportError(CE_Failure, CPLE_NotSupported,
8863 : "Cannot modify geotransform at that point in a "
8864 : "streamed output file");
8865 1 : return CE_Failure;
8866 : }
8867 :
8868 1687 : LoadGeoreferencingAndPamIfNeeded();
8869 :
8870 1687 : CPLErr eErr = CE_None;
8871 1687 : if (eAccess == GA_Update)
8872 : {
8873 1681 : if (!m_aoGCPs.empty())
8874 : {
8875 1 : ReportError(CE_Warning, CPLE_AppDefined,
8876 : "GCPs previously set are going to be cleared "
8877 : "due to the setting of a geotransform.");
8878 1 : m_bForceUnsetGTOrGCPs = true;
8879 1 : m_aoGCPs.clear();
8880 : }
8881 1881 : else if (gt[0] == 0.0 && gt[1] == 0.0 && gt[2] == 0.0 && gt[3] == 0.0 &&
8882 1881 : gt[4] == 0.0 && gt[5] == 0.0)
8883 : {
8884 2 : if (m_bGeoTransformValid)
8885 : {
8886 2 : m_bForceUnsetGTOrGCPs = true;
8887 2 : m_bGeoTIFFInfoChanged = true;
8888 : }
8889 2 : m_bGeoTransformValid = false;
8890 2 : m_gt = gt;
8891 2 : return CE_None;
8892 : }
8893 :
8894 3367 : if ((m_eProfile == GTiffProfile::BASELINE) &&
8895 9 : !CPLFetchBool(m_papszCreationOptions, "TFW", false) &&
8896 1693 : !CPLFetchBool(m_papszCreationOptions, "WORLDFILE", false) &&
8897 5 : (GetPamFlags() & GPF_DISABLED) == 0)
8898 : {
8899 5 : eErr = GDALPamDataset::SetGeoTransform(gt);
8900 : }
8901 : else
8902 : {
8903 : // Cancel any existing geotransform from PAM file.
8904 1674 : GDALPamDataset::DeleteGeoTransform();
8905 1674 : m_bGeoTIFFInfoChanged = true;
8906 : }
8907 : }
8908 : else
8909 : {
8910 6 : CPLDebug("GTIFF", "SetGeoTransform() goes to PAM instead of TIFF tags");
8911 6 : eErr = GDALPamDataset::SetGeoTransform(gt);
8912 : }
8913 :
8914 1685 : if (eErr == CE_None)
8915 : {
8916 1685 : m_gt = gt;
8917 1685 : m_bGeoTransformValid = true;
8918 : }
8919 :
8920 1685 : return eErr;
8921 : }
8922 :
8923 : /************************************************************************/
8924 : /* SetGCPs() */
8925 : /************************************************************************/
8926 :
8927 23 : CPLErr GTiffDataset::SetGCPs(int nGCPCountIn, const GDAL_GCP *pasGCPListIn,
8928 : const OGRSpatialReference *poGCPSRS)
8929 : {
8930 23 : CPLErr eErr = CE_None;
8931 23 : LoadGeoreferencingAndPamIfNeeded();
8932 23 : LookForProjection();
8933 :
8934 23 : if (eAccess == GA_Update)
8935 : {
8936 21 : if (!m_aoGCPs.empty() && nGCPCountIn == 0)
8937 : {
8938 3 : m_bForceUnsetGTOrGCPs = true;
8939 : }
8940 18 : else if (nGCPCountIn > 0 && m_bGeoTransformValid)
8941 : {
8942 5 : ReportError(CE_Warning, CPLE_AppDefined,
8943 : "A geotransform previously set is going to be cleared "
8944 : "due to the setting of GCPs.");
8945 5 : m_gt = GDALGeoTransform();
8946 5 : m_bGeoTransformValid = false;
8947 5 : m_bForceUnsetGTOrGCPs = true;
8948 : }
8949 21 : if ((m_eProfile == GTiffProfile::BASELINE) &&
8950 0 : (GetPamFlags() & GPF_DISABLED) == 0)
8951 : {
8952 0 : eErr = GDALPamDataset::SetGCPs(nGCPCountIn, pasGCPListIn, poGCPSRS);
8953 : }
8954 : else
8955 : {
8956 21 : if (nGCPCountIn > knMAX_GCP_COUNT)
8957 : {
8958 2 : if (GDALPamDataset::GetGCPCount() == 0 && !m_aoGCPs.empty())
8959 : {
8960 1 : m_bForceUnsetGTOrGCPs = true;
8961 : }
8962 2 : ReportError(CE_Warning, CPLE_AppDefined,
8963 : "Trying to write %d GCPs, whereas the maximum "
8964 : "supported in GeoTIFF tag is %d. "
8965 : "Falling back to writing them to PAM",
8966 : nGCPCountIn, knMAX_GCP_COUNT);
8967 2 : eErr = GDALPamDataset::SetGCPs(nGCPCountIn, pasGCPListIn,
8968 : poGCPSRS);
8969 : }
8970 19 : else if (GDALPamDataset::GetGCPCount() > 0)
8971 : {
8972 : // Cancel any existing GCPs from PAM file.
8973 1 : GDALPamDataset::SetGCPs(
8974 : 0, nullptr,
8975 : static_cast<const OGRSpatialReference *>(nullptr));
8976 : }
8977 21 : m_bGeoTIFFInfoChanged = true;
8978 : }
8979 : }
8980 : else
8981 : {
8982 2 : CPLDebug("GTIFF", "SetGCPs() goes to PAM instead of TIFF tags");
8983 2 : eErr = GDALPamDataset::SetGCPs(nGCPCountIn, pasGCPListIn, poGCPSRS);
8984 : }
8985 :
8986 23 : if (eErr == CE_None)
8987 : {
8988 23 : if (poGCPSRS == nullptr || poGCPSRS->IsEmpty())
8989 : {
8990 12 : if (!m_oSRS.IsEmpty())
8991 : {
8992 5 : m_bForceUnsetProjection = true;
8993 : }
8994 12 : m_oSRS.Clear();
8995 : }
8996 : else
8997 : {
8998 11 : m_oSRS = *poGCPSRS;
8999 11 : m_oSRS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
9000 : }
9001 :
9002 23 : m_aoGCPs = gdal::GCP::fromC(pasGCPListIn, nGCPCountIn);
9003 : }
9004 :
9005 23 : return eErr;
9006 : }
9007 :
9008 : /************************************************************************/
9009 : /* SetMetadata() */
9010 : /************************************************************************/
9011 2586 : CPLErr GTiffDataset::SetMetadata(char **papszMD, const char *pszDomain)
9012 :
9013 : {
9014 2586 : LoadGeoreferencingAndPamIfNeeded();
9015 :
9016 2586 : if (m_bStreamingOut && m_bCrystalized)
9017 : {
9018 1 : ReportError(
9019 : CE_Failure, CPLE_NotSupported,
9020 : "Cannot modify metadata at that point in a streamed output file");
9021 1 : return CE_Failure;
9022 : }
9023 :
9024 2585 : CPLErr eErr = CE_None;
9025 2585 : if (eAccess == GA_Update)
9026 : {
9027 2583 : if (pszDomain != nullptr && EQUAL(pszDomain, MD_DOMAIN_RPC))
9028 : {
9029 : // So that a subsequent GetMetadata() wouldn't override our new
9030 : // values
9031 22 : LoadMetadata();
9032 22 : m_bForceUnsetRPC = (CSLCount(papszMD) == 0);
9033 : }
9034 :
9035 2583 : if ((papszMD != nullptr) && (pszDomain != nullptr) &&
9036 1767 : EQUAL(pszDomain, "COLOR_PROFILE"))
9037 : {
9038 0 : m_bColorProfileMetadataChanged = true;
9039 : }
9040 2583 : else if (pszDomain == nullptr || !EQUAL(pszDomain, "_temporary_"))
9041 : {
9042 2583 : m_bMetadataChanged = true;
9043 : // Cancel any existing metadata from PAM file.
9044 2583 : if (GDALPamDataset::GetMetadata(pszDomain) != nullptr)
9045 1 : GDALPamDataset::SetMetadata(nullptr, pszDomain);
9046 : }
9047 :
9048 5129 : if ((pszDomain == nullptr || EQUAL(pszDomain, "")) &&
9049 2546 : CSLFetchNameValue(papszMD, GDALMD_AREA_OR_POINT) != nullptr)
9050 : {
9051 1922 : const char *pszPrevValue = GetMetadataItem(GDALMD_AREA_OR_POINT);
9052 : const char *pszNewValue =
9053 1922 : CSLFetchNameValue(papszMD, GDALMD_AREA_OR_POINT);
9054 1922 : if (pszPrevValue == nullptr || pszNewValue == nullptr ||
9055 1504 : !EQUAL(pszPrevValue, pszNewValue))
9056 : {
9057 422 : LookForProjection();
9058 422 : m_bGeoTIFFInfoChanged = true;
9059 : }
9060 : }
9061 :
9062 2583 : if (pszDomain != nullptr && EQUAL(pszDomain, "xml:XMP"))
9063 : {
9064 2 : if (papszMD != nullptr && *papszMD != nullptr)
9065 : {
9066 1 : int nTagSize = static_cast<int>(strlen(*papszMD));
9067 1 : TIFFSetField(m_hTIFF, TIFFTAG_XMLPACKET, nTagSize, *papszMD);
9068 : }
9069 : else
9070 : {
9071 1 : TIFFUnsetField(m_hTIFF, TIFFTAG_XMLPACKET);
9072 : }
9073 : }
9074 : }
9075 : else
9076 : {
9077 2 : CPLDebug(
9078 : "GTIFF",
9079 : "GTiffDataset::SetMetadata() goes to PAM instead of TIFF tags");
9080 2 : eErr = GDALPamDataset::SetMetadata(papszMD, pszDomain);
9081 : }
9082 :
9083 2585 : if (eErr == CE_None)
9084 : {
9085 2585 : eErr = m_oGTiffMDMD.SetMetadata(papszMD, pszDomain);
9086 : }
9087 2585 : return eErr;
9088 : }
9089 :
9090 : /************************************************************************/
9091 : /* SetMetadataItem() */
9092 : /************************************************************************/
9093 :
9094 5570 : CPLErr GTiffDataset::SetMetadataItem(const char *pszName, const char *pszValue,
9095 : const char *pszDomain)
9096 :
9097 : {
9098 5570 : LoadGeoreferencingAndPamIfNeeded();
9099 :
9100 5569 : if (m_bStreamingOut && m_bCrystalized)
9101 : {
9102 1 : ReportError(
9103 : CE_Failure, CPLE_NotSupported,
9104 : "Cannot modify metadata at that point in a streamed output file");
9105 1 : return CE_Failure;
9106 : }
9107 :
9108 5568 : CPLErr eErr = CE_None;
9109 5568 : if (eAccess == GA_Update)
9110 : {
9111 5561 : if ((pszDomain != nullptr) && EQUAL(pszDomain, "COLOR_PROFILE"))
9112 : {
9113 8 : m_bColorProfileMetadataChanged = true;
9114 : }
9115 5553 : else if (pszDomain == nullptr || !EQUAL(pszDomain, "_temporary_"))
9116 : {
9117 5554 : m_bMetadataChanged = true;
9118 : // Cancel any existing metadata from PAM file.
9119 5554 : if (GDALPamDataset::GetMetadataItem(pszName, pszDomain) != nullptr)
9120 1 : GDALPamDataset::SetMetadataItem(pszName, nullptr, pszDomain);
9121 : }
9122 :
9123 5562 : if ((pszDomain == nullptr || EQUAL(pszDomain, "")) &&
9124 70 : pszName != nullptr && EQUAL(pszName, GDALMD_AREA_OR_POINT))
9125 : {
9126 7 : LookForProjection();
9127 7 : m_bGeoTIFFInfoChanged = true;
9128 : }
9129 : }
9130 : else
9131 : {
9132 7 : CPLDebug(
9133 : "GTIFF",
9134 : "GTiffDataset::SetMetadataItem() goes to PAM instead of TIFF tags");
9135 7 : eErr = GDALPamDataset::SetMetadataItem(pszName, pszValue, pszDomain);
9136 : }
9137 :
9138 5569 : if (eErr == CE_None)
9139 : {
9140 5569 : eErr = m_oGTiffMDMD.SetMetadataItem(pszName, pszValue, pszDomain);
9141 : }
9142 :
9143 5569 : return eErr;
9144 : }
9145 :
9146 : /************************************************************************/
9147 : /* CreateMaskBand() */
9148 : /************************************************************************/
9149 :
9150 96 : CPLErr GTiffDataset::CreateMaskBand(int nFlagsIn)
9151 : {
9152 96 : ScanDirectories();
9153 :
9154 96 : if (m_poMaskDS != nullptr)
9155 : {
9156 1 : ReportError(CE_Failure, CPLE_AppDefined,
9157 : "This TIFF dataset has already an internal mask band");
9158 1 : return CE_Failure;
9159 : }
9160 95 : else if (MustCreateInternalMask())
9161 : {
9162 82 : if (nFlagsIn != GMF_PER_DATASET)
9163 : {
9164 1 : ReportError(CE_Failure, CPLE_AppDefined,
9165 : "The only flag value supported for internal mask is "
9166 : "GMF_PER_DATASET");
9167 1 : return CE_Failure;
9168 : }
9169 :
9170 81 : int l_nCompression = COMPRESSION_PACKBITS;
9171 81 : if (strstr(GDALGetMetadataItem(GDALGetDriverByName("GTiff"),
9172 : GDAL_DMD_CREATIONOPTIONLIST, nullptr),
9173 81 : "<Value>DEFLATE</Value>") != nullptr)
9174 81 : l_nCompression = COMPRESSION_ADOBE_DEFLATE;
9175 :
9176 : /* --------------------------------------------------------------------
9177 : */
9178 : /* If we don't have read access, then create the mask externally.
9179 : */
9180 : /* --------------------------------------------------------------------
9181 : */
9182 81 : if (GetAccess() != GA_Update)
9183 : {
9184 1 : ReportError(CE_Warning, CPLE_AppDefined,
9185 : "File open for read-only accessing, "
9186 : "creating mask externally.");
9187 :
9188 1 : return GDALPamDataset::CreateMaskBand(nFlagsIn);
9189 : }
9190 :
9191 80 : if (m_bLayoutIFDSBeforeData && !m_bKnownIncompatibleEdition &&
9192 0 : !m_bWriteKnownIncompatibleEdition)
9193 : {
9194 0 : ReportError(CE_Warning, CPLE_AppDefined,
9195 : "Adding a mask invalidates the "
9196 : "LAYOUT=IFDS_BEFORE_DATA property");
9197 0 : m_bKnownIncompatibleEdition = true;
9198 0 : m_bWriteKnownIncompatibleEdition = true;
9199 : }
9200 :
9201 80 : bool bIsOverview = false;
9202 80 : uint32_t nSubType = 0;
9203 80 : if (TIFFGetField(m_hTIFF, TIFFTAG_SUBFILETYPE, &nSubType))
9204 : {
9205 8 : bIsOverview = (nSubType & FILETYPE_REDUCEDIMAGE) != 0;
9206 :
9207 8 : if ((nSubType & FILETYPE_MASK) != 0)
9208 : {
9209 0 : ReportError(CE_Failure, CPLE_AppDefined,
9210 : "Cannot create a mask on a TIFF mask IFD !");
9211 0 : return CE_Failure;
9212 : }
9213 : }
9214 :
9215 80 : const int bIsTiled = TIFFIsTiled(m_hTIFF);
9216 :
9217 80 : FlushDirectory();
9218 :
9219 80 : const toff_t nOffset = GTIFFWriteDirectory(
9220 : m_hTIFF,
9221 : bIsOverview ? FILETYPE_REDUCEDIMAGE | FILETYPE_MASK : FILETYPE_MASK,
9222 : nRasterXSize, nRasterYSize, 1, PLANARCONFIG_CONTIG, 1,
9223 : m_nBlockXSize, m_nBlockYSize, bIsTiled, l_nCompression,
9224 : PHOTOMETRIC_MASK, PREDICTOR_NONE, SAMPLEFORMAT_UINT, nullptr,
9225 : nullptr, nullptr, 0, nullptr, "", nullptr, nullptr, nullptr,
9226 80 : nullptr, m_bWriteCOGLayout);
9227 :
9228 80 : ReloadDirectory();
9229 :
9230 80 : if (nOffset == 0)
9231 0 : return CE_Failure;
9232 :
9233 80 : m_poMaskDS = new GTiffDataset();
9234 80 : m_poMaskDS->m_poBaseDS = this;
9235 80 : m_poMaskDS->m_poImageryDS = this;
9236 80 : m_poMaskDS->ShareLockWithParentDataset(this);
9237 80 : m_poMaskDS->m_bPromoteTo8Bits = CPLTestBool(
9238 : CPLGetConfigOption("GDAL_TIFF_INTERNAL_MASK_TO_8BIT", "YES"));
9239 80 : if (m_poMaskDS->OpenOffset(VSI_TIFFOpenChild(m_hTIFF), nOffset,
9240 80 : GA_Update) != CE_None)
9241 : {
9242 0 : delete m_poMaskDS;
9243 0 : m_poMaskDS = nullptr;
9244 0 : return CE_Failure;
9245 : }
9246 :
9247 80 : return CE_None;
9248 : }
9249 :
9250 13 : return GDALPamDataset::CreateMaskBand(nFlagsIn);
9251 : }
9252 :
9253 : /************************************************************************/
9254 : /* MustCreateInternalMask() */
9255 : /************************************************************************/
9256 :
9257 133 : bool GTiffDataset::MustCreateInternalMask()
9258 : {
9259 133 : return CPLTestBool(CPLGetConfigOption("GDAL_TIFF_INTERNAL_MASK", "YES"));
9260 : }
9261 :
9262 : /************************************************************************/
9263 : /* CreateMaskBand() */
9264 : /************************************************************************/
9265 :
9266 27 : CPLErr GTiffRasterBand::CreateMaskBand(int nFlagsIn)
9267 : {
9268 27 : m_poGDS->ScanDirectories();
9269 :
9270 27 : if (m_poGDS->m_poMaskDS != nullptr)
9271 : {
9272 5 : ReportError(CE_Failure, CPLE_AppDefined,
9273 : "This TIFF dataset has already an internal mask band");
9274 5 : return CE_Failure;
9275 : }
9276 :
9277 : const char *pszGDAL_TIFF_INTERNAL_MASK =
9278 22 : CPLGetConfigOption("GDAL_TIFF_INTERNAL_MASK", nullptr);
9279 25 : if ((pszGDAL_TIFF_INTERNAL_MASK &&
9280 22 : CPLTestBool(pszGDAL_TIFF_INTERNAL_MASK)) ||
9281 : nFlagsIn == GMF_PER_DATASET)
9282 : {
9283 15 : return m_poGDS->CreateMaskBand(nFlagsIn);
9284 : }
9285 :
9286 7 : return GDALPamRasterBand::CreateMaskBand(nFlagsIn);
9287 : }
9288 :
9289 : /************************************************************************/
9290 : /* ClampCTEntry() */
9291 : /************************************************************************/
9292 :
9293 232815 : /* static */ unsigned short GTiffDataset::ClampCTEntry(int iColor, int iComp,
9294 : int nCTEntryVal,
9295 : int nMultFactor)
9296 : {
9297 232815 : const int nVal = nCTEntryVal * nMultFactor;
9298 232815 : if (nVal < 0)
9299 : {
9300 0 : CPLError(CE_Warning, CPLE_AppDefined,
9301 : "Color table entry [%d][%d] = %d, clamped to 0", iColor, iComp,
9302 : nCTEntryVal);
9303 0 : return 0;
9304 : }
9305 232815 : if (nVal > 65535)
9306 : {
9307 2 : CPLError(CE_Warning, CPLE_AppDefined,
9308 : "Color table entry [%d][%d] = %d, clamped to 65535", iColor,
9309 : iComp, nCTEntryVal);
9310 2 : return 65535;
9311 : }
9312 232813 : return static_cast<unsigned short>(nVal);
9313 : }
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