1

/* $Id$ */

     2

     3

/** @file bmp.h */

     4

     5

#ifndef BMP_H

     6

#define BMP_H

     7

     8

struct BmpInfo {

     9

	uint32 offset;       ///< offset of bitmap data from .bmp file begining

    10

	uint32 width;        ///< bitmap width

    11

	uint32 height;       ///< bitmap height

    12

	bool os2_bmp;        ///< true if OS/2 1.x or windows 2.x bitmap

    13

	uint16 bpp;          ///< bits per pixel

    14

	uint32 compression;  ///< compression method (0 = none, 1 = 8-bit RLE, 2 = 4-bit RLE)

    15

	uint32 palette_size; ///< number of colors in palette

    16

};

    17

    18

struct BmpData {

    19

	Colour *palette;

    20

	byte   *bitmap;

    21

};

    22

    23

#define BMP_BUFFER_SIZE 1024

    24

    25

struct BmpBuffer {

    26

	byte data[BMP_BUFFER_SIZE];

    27

	int pos;

    28

	int read;

    29

	FILE *file;

    30

	uint real_pos;

    31

};

    32

    33

void BmpInitializeBuffer(BmpBuffer *buffer, FILE *file);

    34

bool BmpReadHeader(BmpBuffer *buffer, BmpInfo *info, BmpData *data);

    35

bool BmpReadBitmap(BmpBuffer *buffer, BmpInfo *info, BmpData *data);

    36

void BmpDestroyData(BmpData *data);

    37

    38

#endif /* BMP_H */