/src/gdal/apps/gdalalg_raster_rgb_to_palette.h
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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 | | class GDALRasterRGBToPaletteAlgorithmStandalone final |
51 | | : public GDALRasterRGBToPaletteAlgorithm |
52 | | { |
53 | | public: |
54 | | GDALRasterRGBToPaletteAlgorithmStandalone() |
55 | 0 | : GDALRasterRGBToPaletteAlgorithm(/* standaloneStep = */ true) |
56 | 0 | { |
57 | 0 | } |
58 | | |
59 | | ~GDALRasterRGBToPaletteAlgorithmStandalone() override; |
60 | | }; |
61 | | |
62 | | //! @endcond |
63 | | |
64 | | #endif |