1 #ifndef _COLOR_CONVERSION_H_ 2 #define _COLOR_CONVERSION_H_ 3 4 5 #include <GraphicsDefs.h> 6 7 class BPoint; 8 9 10 namespace BPrivate { 11 12 status_t ConvertBits(const void *srcBits, void *dstBits, int32 srcBitsLength, 13 int32 dstBitsLength, int32 srcBytesPerRow, int32 dstBytesPerRow, 14 color_space srcColorSpace, color_space dstColorSpace, int32 width, 15 int32 height); 16 status_t ConvertBits(const void *srcBits, void *dstBits, int32 srcBitsLength, 17 int32 dstBitsLength, int32 srcBytesPerRow, int32 dstBytesPerRow, 18 color_space srcColorSpace, color_space dstColorSpace, BPoint srcOffset, 19 BPoint dstOffset, int32 width, int32 height); 20 21 22 /*! \brief Helper class for conversion between RGB and palette colors. 23 */ 24 class PaletteConverter { 25 public: 26 PaletteConverter(); 27 PaletteConverter(const rgb_color *palette); 28 PaletteConverter(const color_map *colorMap); 29 ~PaletteConverter(); 30 31 status_t SetTo(const rgb_color *palette); 32 status_t SetTo(const color_map *colorMap); 33 status_t InitCheck() const; 34 35 inline uint8 IndexForRGB15(uint16 rgb) const; 36 inline uint8 IndexForRGB15(uint8 red, uint8 green, uint8 blue) const; 37 inline uint8 IndexForRGB16(uint16 rgb) const; 38 inline uint8 IndexForRGB16(uint8 red, uint8 green, uint8 blue) const; 39 inline uint8 IndexForRGB24(uint32 rgb) const; 40 inline uint8 IndexForRGB24(uint8 red, uint8 green, uint8 blue) const; 41 inline uint8 IndexForGray(uint8 gray) const; 42 43 inline const rgb_color &RGBColorForIndex(uint8 index) const; 44 inline uint16 RGB15ColorForIndex(uint8 index) const; 45 inline uint16 RGB16ColorForIndex(uint8 index) const; 46 inline uint32 RGBA32ColorForIndex(uint8 index) const; 47 inline void RGBA32ColorForIndex(uint8 index, uint8 &red, uint8 &green, 48 uint8 &blue, uint8 &alpha) const; 49 inline uint8 GrayColorForIndex(uint8 index) const; 50 51 static status_t InitializeDefault(bool useServer = false); 52 53 private: 54 const color_map *fColorMap; 55 color_map *fOwnColorMap; 56 status_t fCStatus; 57 }; 58 59 } // namespace BPrivate 60 61 #endif 62