GDAL

gdalalg_raster_rgb_to_palette.h
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
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};
42
43/************************************************************************/
44/* GDALRasterRGBToPaletteAlgorithmStandalone */
45/************************************************************************/
46
47 class GDALRasterRGBToPaletteAlgorithmStandalone final
48 : public GDALRasterRGBToPaletteAlgorithm
49{
50 public:
51 GDALRasterRGBToPaletteAlgorithmStandalone()
52 : GDALRasterRGBToPaletteAlgorithm(/* standaloneStep = */ true)
53 {
54 }
55
56 ~GDALRasterRGBToPaletteAlgorithmStandalone() override;
57};
58
60
61#endif