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source/Graphics/Image/Format/bmp.h

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Henrik Hautakoski 2020-10-22 17:08:45 +02:00
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commit ed97e9bd72
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source/Graphics/Image/Format/bmp.h Normal file
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#ifndef SPECTRE_GRAPHICS_IMAGE_FORMAT_BMP_H
#define SPECTRE_GRAPHICS_IMAGE_FORMAT_BMP_H
#define BMP_MAGIC 0x4D42 /* "BM" in little endian */
/**
* Bitmap information header (DIB)
*/
struct BMP_DIB {
uint32_t size; // Size of header (40 bytes)
uint32_t width;
uint32_t height;
uint16_t planes;
uint16_t bits_per_pixel;
uint32_t compression; // See compression method constants below.
int32_t x_ppm; // Pixels per meter
int32_t y_ppm; // Pixels per meter
uint32_t colors_used;
uint32_t colors_important;
};
/**
* Compression method constants.
*/
#define BI_RGB 0
#define BI_RLE8 1
#define BI_RLE4 2
#define BI_BITFIELDS 3
#define BI_JPEG 4 /* RLE-24 */
#define BI_PNG 5
#define BI_ALPHABITFIELDS 6
#define BI_CMYK 11
#define BI_CMYKRLE8 12
#define BI_CMYKRLE4 13
#endif /* SPECTRE_GRAPHICS_IMAGE_FORMAT_BMP_H */