Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL Rasterlite driver
       4             :  * Purpose:  Implement GDAL Rasterlite support using OGR SQLite driver
       5             :  * Author:   Even Rouault, <even dot rouault at spatialys.com>
       6             :  *
       7             :  **********************************************************************
       8             :  * Copyright (c) 2009-2013, Even Rouault <even dot rouault at spatialys.com>
       9             :  *
      10             :  * Permission is hereby granted, free of charge, to any person obtaining a
      11             :  * copy of this software and associated documentation files (the "Software"),
      12             :  * to deal in the Software without restriction, including without limitation
      13             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      14             :  * and/or sell copies of the Software, and to permit persons to whom the
      15             :  * Software is furnished to do so, subject to the following conditions:
      16             :  *
      17             :  * The above copyright notice and this permission notice shall be included
      18             :  * in all copies or substantial portions of the Software.
      19             :  *
      20             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      21             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      22             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      23             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      24             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      25             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      26             :  * DEALINGS IN THE SOFTWARE.
      27             :  ****************************************************************************/
      28             : 
      29             : #include "rasterlitedrivercore.h"
      30             : 
      31             : /************************************************************************/
      32             : /*                    RasterliteDriverIdentify()                        */
      33             : /************************************************************************/
      34             : 
      35       49835 : int RasterliteDriverIdentify(GDALOpenInfo *poOpenInfo)
      36             : 
      37             : {
      38             : #ifdef ENABLE_SQL_SQLITE_FORMAT
      39       49835 :     if (poOpenInfo->pabyHeader &&
      40        4192 :         STARTS_WITH((const char *)poOpenInfo->pabyHeader, "-- SQL RASTERLITE"))
      41             :     {
      42           2 :         return TRUE;
      43             :     }
      44             : #endif
      45             : 
      46       49833 :     if (!EQUAL(CPLGetExtension(poOpenInfo->pszFilename), "MBTILES") &&
      47       49659 :         !EQUAL(CPLGetExtension(poOpenInfo->pszFilename), "GPKG") &&
      48       48072 :         poOpenInfo->nHeaderBytes >= 1024 && poOpenInfo->pabyHeader &&
      49        1972 :         STARTS_WITH_CI((const char *)poOpenInfo->pabyHeader,
      50       99491 :                        "SQLite Format 3") &&
      51             :         // Do not match direct Amazon S3 signed URLs that contains .mbtiles in
      52             :         // the middle of the URL
      53          72 :         strstr(poOpenInfo->pszFilename, ".mbtiles") == nullptr)
      54             :     {
      55             :         // Could be a SQLite/Spatialite file as well
      56          72 :         return -1;
      57             :     }
      58       49760 :     else if (STARTS_WITH_CI(poOpenInfo->pszFilename, "RASTERLITE:"))
      59             :     {
      60          37 :         return TRUE;
      61             :     }
      62             : 
      63       49723 :     return FALSE;
      64             : }
      65             : 
      66             : /************************************************************************/
      67             : /*                  RasterliteDriverSetCommonMetadata()                 */
      68             : /************************************************************************/
      69             : 
      70        1219 : void RasterliteDriverSetCommonMetadata(GDALDriver *poDriver)
      71             : {
      72        1219 :     poDriver->SetDescription(DRIVER_NAME);
      73        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_RASTER, "YES");
      74        1219 :     poDriver->SetMetadataItem(GDAL_DMD_LONGNAME, "Rasterlite");
      75        1219 :     poDriver->SetMetadataItem(GDAL_DMD_HELPTOPIC,
      76        1219 :                               "drivers/raster/rasterlite.html");
      77        1219 :     poDriver->SetMetadataItem(GDAL_DMD_EXTENSION, "sqlite");
      78        1219 :     poDriver->SetMetadataItem(GDAL_DMD_SUBDATASETS, "YES");
      79        1219 :     poDriver->SetMetadataItem(GDAL_DMD_CREATIONDATATYPES,
      80             :                               "Byte UInt16 Int16 UInt32 Int32 Float32 "
      81        1219 :                               "Float64 CInt16 CInt32 CFloat32 CFloat64");
      82        1219 :     poDriver->SetMetadataItem(
      83             :         GDAL_DMD_CREATIONOPTIONLIST,
      84             :         "<CreationOptionList>"
      85             :         "   <Option name='WIPE' type='boolean' default='NO' description='Erase "
      86             :         "all preexisting data in the specified table'/>"
      87             :         "   <Option name='TILED' type='boolean' default='YES' description='Use "
      88             :         "tiling'/>"
      89             :         "   <Option name='BLOCKXSIZE' type='int' default='256' "
      90             :         "description='Tile Width'/>"
      91             :         "   <Option name='BLOCKYSIZE' type='int' default='256' "
      92             :         "description='Tile Height'/>"
      93             :         "   <Option name='DRIVER' type='string' description='GDAL driver to "
      94             :         "use for storing tiles' default='GTiff'/>"
      95             :         "   <Option name='COMPRESS' type='string' description='(GTiff driver) "
      96             :         "Compression method' default='NONE'/>"
      97             :         "   <Option name='QUALITY' type='int' description='(JPEG-compressed "
      98             :         "GTiff, JPEG and WEBP drivers) JPEG/WEBP Quality 1-100' default='75'/>"
      99             :         "   <Option name='PHOTOMETRIC' type='string-select' "
     100             :         "description='(GTiff driver) Photometric interpretation'>"
     101             :         "       <Value>MINISBLACK</Value>"
     102             :         "       <Value>MINISWHITE</Value>"
     103             :         "       <Value>PALETTE</Value>"
     104             :         "       <Value>RGB</Value>"
     105             :         "       <Value>CMYK</Value>"
     106             :         "       <Value>YCBCR</Value>"
     107             :         "       <Value>CIELAB</Value>"
     108             :         "       <Value>ICCLAB</Value>"
     109             :         "       <Value>ITULAB</Value>"
     110             :         "   </Option>"
     111        1219 :         "</CreationOptionList>");
     112        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_VIRTUALIO, "YES");
     113             : 
     114             : #ifdef ENABLE_SQL_SQLITE_FORMAT
     115        1219 :     poDriver->SetMetadataItem("ENABLE_SQL_SQLITE_FORMAT", "YES");
     116             : #endif
     117             : 
     118        1219 :     poDriver->pfnIdentify = RasterliteDriverIdentify;
     119        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_OPEN, "YES");
     120        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_CREATECOPY, "YES");
     121        1219 : }
     122             : 
     123             : /************************************************************************/
     124             : /*                  DeclareDeferredRasterlitePlugin()                   */
     125             : /************************************************************************/
     126             : 
     127             : #ifdef PLUGIN_FILENAME
     128             : void DeclareDeferredRasterlitePlugin()
     129             : {
     130             :     if (GDALGetDriverByName(DRIVER_NAME) != nullptr)
     131             :     {
     132             :         return;
     133             :     }
     134             :     auto poDriver = new GDALPluginDriverProxy(PLUGIN_FILENAME);
     135             : #ifdef PLUGIN_INSTALLATION_MESSAGE
     136             :     poDriver->SetMetadataItem(GDAL_DMD_PLUGIN_INSTALLATION_MESSAGE,
     137             :                               PLUGIN_INSTALLATION_MESSAGE);
     138             : #endif
     139             :     RasterliteDriverSetCommonMetadata(poDriver);
     140             :     GetGDALDriverManager()->DeclareDeferredPluginDriver(poDriver);
     141             : }
     142             : #endif