(svn r13674) -Fix [FS#2127]: crash when drawing a non-real sprite. The drawing of the non-real sprite is caused when two NewGRFs replace the same sprite and the first replaces it with a real sprite (and thus assumes it remains a real sprite) and the second replaces it with a non-real sprite. OpenTTD already looked at whether the sprite to load should be seen as a real or non-real sprite, but it failed to replace non-real sprites with a substitute real sprite when getting the sprite from the cache.
/* $Id$ */
/** @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 */