LCOV - code coverage report
Current view: top level - apps - gdalalg_raster_rgb_to_palette.h (source / functions) Hit Total Coverage
Test: gdal_filtered.info Lines: 4 4 100.0 %
Date: 2026-02-01 11:59:10 Functions: 3 3 100.0 %

          Line data    Source code
       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL
       4             :  * Purpose:  gdal "raster rgb-to-palette" 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_RGB_TO_PALETTE_INCLUDED
      14             : #define GDALALG_RASTER_RGB_TO_PALETTE_INCLUDED
      15             : 
      16             : #include "gdalalg_raster_pipeline.h"
      17             : 
      18             : //! @cond Doxygen_Suppress
      19             : 
      20             : /************************************************************************/
      21             : /*                   GDALRasterRGBToPaletteAlgorithm                    */
      22             : /************************************************************************/
      23             : 
      24             : class GDALRasterRGBToPaletteAlgorithm /* non final */
      25             :     : public GDALRasterPipelineNonNativelyStreamingAlgorithm
      26             : {
      27             :   public:
      28             :     static constexpr const char *NAME = "rgb-to-palette";
      29             :     static constexpr const char *DESCRIPTION =
      30             :         "Convert a RGB image into a pseudo-color / paletted image.";
      31             :     static constexpr const char *HELP_URL =
      32             :         "/programs/gdal_raster_rgb_to_palette.html";
      33             : 
      34             :     explicit GDALRasterRGBToPaletteAlgorithm(bool standaloneStep = false);
      35             : 
      36             :   private:
      37             :     bool RunStep(GDALPipelineStepRunContext &ctxt) override;
      38             : 
      39             :     int m_colorCount = 256;
      40             :     std::string m_colorMap{};
      41             :     int m_dstNoData = -1;
      42             :     bool m_noDither = false;
      43             :     int m_bitDepth = 5;
      44             : };
      45             : 
      46             : /************************************************************************/
      47             : /*              GDALRasterRGBToPaletteAlgorithmStandalone               */
      48             : /************************************************************************/
      49             : 
      50          60 : class GDALRasterRGBToPaletteAlgorithmStandalone final
      51             :     : public GDALRasterRGBToPaletteAlgorithm
      52             : {
      53             :   public:
      54          30 :     GDALRasterRGBToPaletteAlgorithmStandalone()
      55          30 :         : GDALRasterRGBToPaletteAlgorithm(/* standaloneStep = */ true)
      56             :     {
      57          30 :     }
      58             : 
      59             :     ~GDALRasterRGBToPaletteAlgorithmStandalone() override;
      60             : };
      61             : 
      62             : //! @endcond
      63             : 
      64             : #endif

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