src/bmp.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file bmp.h Read and write support for bmps. */
   9
  10 #ifndef BMP_H
  11 #define BMP_H
  12
  13 #include "gfx_type.h"
  14 #include "random_access_file_type.h"
  15
  16 struct BmpInfo {
  17         size_t offset; ///< offset of bitmap data from .bmp file beginning
  18         uint32_t width;        ///< bitmap width
  19         uint32_t height;       ///< bitmap height
  20         bool os2_bmp;        ///< true if OS/2 1.x or windows 2.x bitmap
  21         uint16_t bpp;          ///< bits per pixel
  22         uint32_t compression;  ///< compression method (0 = none, 1 = 8-bit RLE, 2 = 4-bit RLE)
  23         uint32_t palette_size; ///< number of colours in palette
  24 };
  25
  26 struct BmpData {
  27         std::vector<Colour> palette;
  28         std::vector<uint8_t> bitmap;
  29 };
  30
  31 bool BmpReadHeader(RandomAccessFile &file, BmpInfo &info, BmpData &data);
  32 bool BmpReadBitmap(RandomAccessFile &file, BmpInfo &info, BmpData &data);
  33
  34 #endif /* BMP_H */