LCOV - code coverage report
Current view: top level - apps - gdalalg_raster_compare.h (source / functions) Hit Total Coverage
Test: gdal_filtered.info Lines: 10 10 100.0 %
Date: 2026-06-03 12:46:18 Functions: 6 6 100.0 %

          Line data    Source code
       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL
       4             :  * Purpose:  gdal "raster compare" subcommand
       5             :  * Author:   Even Rouault <even dot rouault at spatialys.com>
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2025, Even Rouault <even dot rouault at spatialys.com>
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : 
      13             : #ifndef GDALALG_RASTER_COMPARE_INCLUDED
      14             : #define GDALALG_RASTER_COMPARE_INCLUDED
      15             : 
      16             : #include "gdalrasterpipelinestepalgorithm.h"
      17             : 
      18             : class GDALRasterBand;
      19             : class GDALDataset;
      20             : 
      21             : //! @cond Doxygen_Suppress
      22             : 
      23             : /************************************************************************/
      24             : /*                      GDALRasterCompareAlgorithm                      */
      25             : /************************************************************************/
      26             : 
      27             : class GDALRasterCompareAlgorithm /* non final */
      28             :     : public GDALRasterPipelineStepAlgorithm
      29             : {
      30             :   public:
      31             :     static constexpr const char *NAME = "compare";
      32             :     static constexpr const char *DESCRIPTION = "Compare two raster datasets.";
      33             :     static constexpr const char *HELP_URL =
      34             :         "/programs/gdal_raster_compare.html";
      35             : 
      36             :     explicit GDALRasterCompareAlgorithm(bool standaloneStep = false);
      37             : 
      38           8 :     bool IsNativelyStreamingCompatible() const override
      39             :     {
      40           8 :         return false;
      41             :     }
      42             : 
      43          17 :     bool CanBeLastStep() const override
      44             :     {
      45          17 :         return true;
      46             :     }
      47             : 
      48         204 :     int GetOutputType() const override
      49             :     {
      50         204 :         return 0;
      51             :     }
      52             : 
      53             :   private:
      54             :     bool RunStep(GDALPipelineStepRunContext &ctxt) override;
      55             : 
      56             :     bool BinaryComparison(std::vector<std::string> &aosReport,
      57             :                           GDALDataset *poRefDS, GDALDataset *poInputDS);
      58             : 
      59             :     void DatasetComparison(std::vector<std::string> &aosReport,
      60             :                            GDALDataset *poRefDS, GDALDataset *poInputDS,
      61             :                            GDALProgressFunc pfnProgress, void *pProgressData);
      62             : 
      63             :     static void CRSComparison(std::vector<std::string> &aosReport,
      64             :                               GDALDataset *poRefDS, GDALDataset *poInputDS);
      65             : 
      66             :     static void GeoTransformComparison(std::vector<std::string> &aosReport,
      67             :                                        GDALDataset *poRefDS,
      68             :                                        GDALDataset *poInputDS);
      69             : 
      70             :     void BandComparison(std::vector<std::string> &aosReport,
      71             :                         const std::string &bandId,
      72             :                         bool doBandBasedPixelComparison,
      73             :                         GDALRasterBand *poRefBand, GDALRasterBand *poInputBand,
      74             :                         GDALProgressFunc pfnProgress, void *pProgressData);
      75             : 
      76             :     static void MetadataComparison(std::vector<std::string> &aosReport,
      77             :                                    const std::string &metadataDomain,
      78             :                                    CSLConstList aosRef, CSLConstList aosInput);
      79             : 
      80             :     GDALArgDatasetValue m_referenceDataset{};
      81             :     bool m_skipAllOptional = false;
      82             :     bool m_skipBinary = false;
      83             :     bool m_skipCRS = false;
      84             :     bool m_skipGeotransform = false;
      85             :     bool m_skipOverview = false;
      86             :     bool m_skipMetadata = false;
      87             :     bool m_skipRPC = false;
      88             :     bool m_skipGeolocation = false;
      89             :     bool m_skipSubdataset = false;
      90             :     // If adding a new skip flag, make sure that m_skipAll takes it into account
      91             :     int m_retCode = 0;
      92             : };
      93             : 
      94             : /************************************************************************/
      95             : /*                 GDALRasterCompareAlgorithmStandalone                 */
      96             : /************************************************************************/
      97             : 
      98         490 : class GDALRasterCompareAlgorithmStandalone final
      99             :     : public GDALRasterCompareAlgorithm
     100             : {
     101             :   public:
     102         245 :     GDALRasterCompareAlgorithmStandalone()
     103         245 :         : GDALRasterCompareAlgorithm(/* standaloneStep = */ true)
     104             :     {
     105         245 :     }
     106             : 
     107             :     ~GDALRasterCompareAlgorithmStandalone() override;
     108             : };
     109             : 
     110             : //! @endcond
     111             : 
     112             : #endif

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