#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 */