cpp/openttd-patchpack/source Files · src/bmp.h

Files @ r9583:b6e25a00b908

Branch filter:

Location: cpp/openttd-patchpack/source/src/bmp.h

r9583:b6e25a00b908 981 B text/x-c Show Annotation Show as Raw Download as Raw

rubidium

(svn r13621) -Fix: building roadbits in the wrong direction on bridges or building roadbits from underneath the bridge to the bridgehead is impossible, so don't silently ignore that error when building over houses and industries is not ignored.

/* $Id$ */

/** @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 colors 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 */