Files @ r12474:6d6f8d461c5d
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Location: cpp/openttd-patchpack/source/src/bmp.h

rubidium
(svn r16921) -Codechange: make it more clear what strings are related to road vehicles; only ROAD isn't always enough. Also unify the way of writing it.
/* $Id$ */

/** @file bmp.h Read and write support for bmps. */

#ifndef BMP_H
#define BMP_H

#include "gfx_type.h"

struct BmpInfo {
	uint32 offset;       ///< offset of bitmap data from .bmp file begining
	uint32 width;        ///< bitmap width
	uint32 height;       ///< bitmap height
	bool os2_bmp;        ///< true if OS/2 1.x or windows 2.x bitmap
	uint16 bpp;          ///< bits per pixel
	uint32 compression;  ///< compression method (0 = none, 1 = 8-bit RLE, 2 = 4-bit RLE)
	uint32 palette_size; ///< number of colours in palette
};

struct BmpData {
	Colour *palette;
	byte   *bitmap;
};

#define BMP_BUFFER_SIZE 1024

struct BmpBuffer {
	byte data[BMP_BUFFER_SIZE];
	int pos;
	int read;
	FILE *file;
	uint real_pos;
};

void BmpInitializeBuffer(BmpBuffer *buffer, FILE *file);
bool BmpReadHeader(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
bool BmpReadBitmap(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
void BmpDestroyData(BmpData *data);

#endif /* BMP_H */