truelight@4300: /* $Id$ */
truelight@4300: 
rubidium@9111: /** @file bmp.h Read and write support for bmps. */
belugas@6123: 
truelight@4300: #ifndef BMP_H
truelight@4300: #define BMP_H
truelight@4300: 
rubidium@8123: #include "gfx_type.h"
rubidium@8123: 
rubidium@6248: struct BmpInfo {
truelight@4300: 	uint32 offset;       ///< offset of bitmap data from .bmp file begining
truelight@4300: 	uint32 width;        ///< bitmap width
truelight@4300: 	uint32 height;       ///< bitmap height
truelight@4300: 	bool os2_bmp;        ///< true if OS/2 1.x or windows 2.x bitmap
truelight@4300: 	uint16 bpp;          ///< bits per pixel
truelight@4300: 	uint32 compression;  ///< compression method (0 = none, 1 = 8-bit RLE, 2 = 4-bit RLE)
truelight@4300: 	uint32 palette_size; ///< number of colors in palette
rubidium@6248: };
truelight@4300: 
rubidium@6248: struct BmpData {
truelight@4300: 	Colour *palette;
truelight@4300: 	byte   *bitmap;
rubidium@6248: };
truelight@4300: 
truelight@4300: #define BMP_BUFFER_SIZE 1024
truelight@4300: 
rubidium@6248: struct BmpBuffer {
truelight@4300: 	byte data[BMP_BUFFER_SIZE];
truelight@4300: 	int pos;
truelight@4300: 	int read;
truelight@4300: 	FILE *file;
truelight@4300: 	uint real_pos;
rubidium@6248: };
truelight@4300: 
truelight@4300: void BmpInitializeBuffer(BmpBuffer *buffer, FILE *file);
truelight@4300: bool BmpReadHeader(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
truelight@4300: bool BmpReadBitmap(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
truelight@4300: void BmpDestroyData(BmpData *data);
truelight@4300: 
truelight@4300: #endif /* BMP_H */