Line data    Source code

       1             : /******************************************************************************
       2             :  * $Id$
       3             :  *
       4             :  * Project:  ENVI .hdr Driver
       5             :  * Purpose:  Implementation of ENVI .hdr labelled raw raster support.
       6             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       7             :  * Maintainer: Chris Padwick (cpadwick at ittvis.com)
       8             :  *
       9             :  ******************************************************************************
      10             :  * Copyright (c) 2002, Frank Warmerdam
      11             :  * Copyright (c) 2007-2013, Even Rouault <even dot rouault at spatialys.com>
      12             :  *
      13             :  * Permission is hereby granted, free of charge, to any person obtaining a
      14             :  * copy of this software and associated documentation files (the "Software"),
      15             :  * to deal in the Software without restriction, including without limitation
      16             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      17             :  * and/or sell copies of the Software, and to permit persons to whom the
      18             :  * Software is furnished to do so, subject to the following conditions:
      19             :  *
      20             :  * The above copyright notice and this permission notice shall be included
      21             :  * in all copies or substantial portions of the Software.
      22             :  *
      23             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      24             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      25             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      26             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      27             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      28             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      29             :  * DEALINGS IN THE SOFTWARE.
      30             :  ****************************************************************************/
      31             : 
      32             : #ifndef GDAL_FRMTS_RAW_ENVIDATASET_H_INCLUDED
      33             : #define GDAL_FRMTS_RAW_ENVIDATASET_H_INCLUDED
      34             : 
      35             : #include "cpl_port.h"
      36             : #include "rawdataset.h"
      37             : 
      38             : #include <climits>
      39             : #include <cmath>
      40             : #include <cstdlib>
      41             : #include <cstring>
      42             : #if HAVE_FCNTL_H
      43             : #include <fcntl.h>
      44             : #endif
      45             : 
      46             : #include <algorithm>
      47             : #include <limits>
      48             : #include <string>
      49             : 
      50             : #include "cpl_conv.h"
      51             : #include "cpl_error.h"
      52             : #include "cpl_string.h"
      53             : #include "cpl_vsi.h"
      54             : #include "gdal.h"
      55             : #include "gdal_frmts.h"
      56             : #include "gdal_priv.h"
      57             : #include "ogr_core.h"
      58             : #include "ogr_spatialref.h"
      59             : #include "ogr_srs_api.h"
      60             : 
      61             : class ENVIRasterBand;
      62             : 
      63             : class ENVIDataset final : public RawDataset
      64             : {
      65             :     friend class ENVIRasterBand;
      66             : 
      67             :     VSILFILE *fpImage;  // Image data file.
      68             :     VSILFILE *fp;       // Header file
      69             :     char *pszHDRFilename;
      70             : 
      71             :     bool bFoundMapinfo;
      72             :     bool bHeaderDirty;
      73             :     bool bFillFile;
      74             : 
      75             :     double adfGeoTransform[6];
      76             : 
      77             :     OGRSpatialReference m_oSRS{};
      78             : 
      79             :     CPLStringList m_aosHeader{};
      80             : 
      81             :     CPLString osStaFilename{};
      82             : 
      83             :     std::vector<GDAL_GCP> m_asGCPs{};
      84             : 
      85             :     bool ReadHeader(VSILFILE *);
      86             :     bool ProcessMapinfo(const char *);
      87             :     void ProcessRPCinfo(const char *, int, int);
      88             :     void ProcessGeoPoints(const char *);
      89             :     void ProcessStatsFile();
      90             :     static int byteSwapInt(int);
      91             :     static float byteSwapFloat(float);
      92             :     static double byteSwapDouble(double);
      93             :     static void SetENVIDatum(OGRSpatialReference *, const char *);
      94             :     static void SetENVIEllipse(OGRSpatialReference *, char **);
      95             :     void WriteProjectionInfo();
      96             :     bool ParseRpcCoeffsMetaDataString(const char *psName, char *papszVal[],
      97             :                                       int &idx);
      98             :     bool WriteRpcInfo();
      99             :     bool WritePseudoGcpInfo();
     100             : 
     101          92 :     void SetFillFile()
     102             :     {
     103          92 :         bFillFile = true;
     104          92 :     }
     105             : 
     106             :     static char **SplitList(const char *);
     107             : 
     108             :     enum Interleave
     109             :     {
     110             :         BSQ,
     111             :         BIL,
     112             :         BIP
     113             :     } interleave;
     114             : 
     115             :     static int GetEnviType(GDALDataType eType);
     116             : 
     117             :     CPL_DISALLOW_COPY_ASSIGN(ENVIDataset)
     118             : 
     119             :     CPLErr Close() override;
     120             : 
     121             :   public:
     122             :     ENVIDataset();
     123             :     ~ENVIDataset() override;
     124             : 
     125             :     CPLErr FlushCache(bool bAtClosing) override;
     126             :     CPLErr GetGeoTransform(double *padfTransform) override;
     127             :     CPLErr SetGeoTransform(double *) override;
     128             : 
     129             :     const OGRSpatialReference *GetSpatialRef() const override;
     130             :     CPLErr SetSpatialRef(const OGRSpatialReference *poSRS) override;
     131             : 
     132             :     char **GetFileList() override;
     133             : 
     134             :     void SetDescription(const char *) override;
     135             : 
     136             :     CPLErr SetMetadata(char **papszMetadata,
     137             :                        const char *pszDomain = "") override;
     138             :     CPLErr SetMetadataItem(const char *pszName, const char *pszValue,
     139             :                            const char *pszDomain = "") override;
     140             :     CPLErr SetGCPs(int nGCPCount, const GDAL_GCP *pasGCPList,
     141             :                    const OGRSpatialReference *poSRS) override;
     142             :     int GetGCPCount() override;
     143             :     const GDAL_GCP *GetGCPs() override;
     144             : 
     145             :     bool GetRawBinaryLayout(GDALDataset::RawBinaryLayout &) override;
     146             : 
     147             :     static GDALDataset *Open(GDALOpenInfo *);
     148             :     static ENVIDataset *Open(GDALOpenInfo *, bool bFileSizeCheck);
     149             :     static GDALDataset *Create(const char *pszFilename, int nXSize, int nYSize,
     150             :                                int nBands, GDALDataType eType,
     151             :                                char **papszOptions);
     152             : };
     153             : 
     154             : /************************************************************************/
     155             : /* ==================================================================== */
     156             : /*                            ENVIRasterBand                            */
     157             : /* ==================================================================== */
     158             : /************************************************************************/
     159             : 
     160             : class ENVIRasterBand final : public RawRasterBand
     161             : {
     162             :     CPL_DISALLOW_COPY_ASSIGN(ENVIRasterBand)
     163             : 
     164             :   public:
     165             :     ENVIRasterBand(GDALDataset *poDSIn, int nBandIn, VSILFILE *fpRawIn,
     166             :                    vsi_l_offset nImgOffsetIn, int nPixelOffsetIn,
     167             :                    int nLineOffsetIn, GDALDataType eDataTypeIn,
     168             :                    RawRasterBand::ByteOrder eByteOrderIn);
     169             : 
     170             :     void SetDescription(const char *) override;
     171             :     CPLErr SetNoDataValue(double) override;
     172             :     CPLErr SetColorInterpretation(GDALColorInterp eColorInterp) override;
     173             :     CPLErr SetOffset(double) override;
     174             :     CPLErr SetScale(double) override;
     175             : 
     176             :     CPLErr SetCategoryNames(char **) override;
     177             : };
     178             : 
     179             : #endif  // GDAL_FRMTS_RAW_ENVIDATASET_H_INCLUDED