/* $Id$ */ /* * This file is part of OpenTTD. * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. */ /** @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 */