66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
#ifndef __COLOR__H__
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#define __COLOR__H__
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/**RGB color structure.*/
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typedef struct {
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unsigned char R,G,B;
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} RGBColor;
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/**\Monochrome (black and white)*/
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typedef bool Color_1Bpp;
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/**CGA 2 bits per pixel indexed color.\n\n\Notes: Cannot be converted to/from RGB.*/
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typedef unsigned char Color_2Bpp;
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/**16 color VGA.
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* \n\n\Format: Uses 1-1-1 bit format, highest bit is intensity.
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* \n\n\Notes: Unused bits are ignored (should be 0).*/
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typedef unsigned char Color_4Bpp;
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/**64 color EGA.
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* \n\n\Format: Uses 2-2-2 bit format.
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* \n\n\Notes: High 2 bits are ignored (should be 0).*/
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typedef unsigned char Color_6Bpp;
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/**256 color VGA.
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* \n\n\Format: Uses 3-3-2 bit format
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* \n\n\Notes: The palette must be changed before usable.*/
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typedef unsigned char Color_8Bpp;
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/**SVGA Highcolor palette.
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* \n\n\Format: Uses 5-5-5 bit format.
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* \n\n\Notes: Unused high bit is ignored (should be 0).*/
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typedef unsigned short Color_15Bpp;
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/**SVGA Highcolor palette.
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* \n\n\Format: Uses 5-6-5 bit format.*/
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typedef unsigned short Color_16Bpp;
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/**VGA 18-bit RGB
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* \n\n\Format: Uses the RGBColor structure, with the R, G and B components.
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* \n\n\Notes: High 2 bits of each component are ignored, should be 0.*/
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typedef RGBColor Color_18Bpp;
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/**24-bit Truecolor
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* \n\n\Format: Uses the RGBColor structure, with the R, G and B components.*/
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typedef RGBColor Color_24Bpp;
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/**Few functions to convert values from one format to another.*/
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extern RGBColor Convert_1bpp_to_RGB(Color_1Bpp c);
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extern RGBColor Convert_4bpp_to_RGB(Color_4Bpp c);
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extern RGBColor Convert_6bpp_to_RGB(Color_6Bpp c);
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extern RGBColor Convert_8bpp_to_RGB(Color_8Bpp c);
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extern RGBColor Convert_15bpp_to_RGB(Color_15Bpp c);
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extern RGBColor Convert_16bpp_to_RGB(Color_16Bpp c);
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extern RGBColor Convert_18bpp_to_RGB(Color_18Bpp c);
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extern RGBColor Convert_24bpp_to_RGB(Color_24Bpp c);
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extern Color_1Bpp Convert_RGB_to_1bpp(RGBColor c);
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extern Color_4Bpp Convert_RGB_to_4bpp(RGBColor c);
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extern Color_6Bpp Convert_RGB_to_6bpp(RGBColor c);
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extern Color_8Bpp Convert_RGB_to_8bpp(RGBColor c);
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extern Color_15Bpp Convert_RGB_to_15bpp(RGBColor c);
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extern Color_16Bpp Convert_RGB_to_16bpp(RGBColor c);
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extern Color_18Bpp Convert_RGB_to_18bpp(RGBColor c);
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extern Color_24Bpp Convert_RGB_to_24bpp(RGBColor c);
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#endif |