include/tileset.h

   1 /* NetHack 3.6    tileset.h    $ANH-Date: 1457207052 2016/03/05 19:44:12 $ $ANH-Branch: master $:$ANH-Revision: 1.0 $ */
   2 /* Copyright (c) Ray Chason, 2016. */
   3 /* NetHack may be freely redistributed.  See license for details. */
   4
   5 #ifndef TILESET_H
   6 #define TILESET_H
   7
   8 struct Pixel {
   9     unsigned char r, g, b, a;
  10 };
  11
  12 struct TileImage {
  13     /* Image data */
  14     unsigned width, height;
  15     struct Pixel *pixels; /* for direct color */
  16     unsigned char *indexes; /* for paletted images */
  17 };
  18
  19 boolean FDECL(read_tiles, (const char *filename, BOOLEAN_P true_color));
  20 const struct Pixel *NDECL(get_palette);
  21 void NDECL(free_tiles);
  22 const struct TileImage *FDECL(get_tile, (unsigned tile_index));
  23
  24 /* Used internally by the tile set code */
  25 struct TileSetImage {
  26     /* Image data */
  27     unsigned width, height;
  28     struct Pixel *pixels; /* for direct color */
  29     unsigned char *indexes; /* for paletted images */
  30     struct Pixel palette[256];
  31
  32     /* Image description from the file */
  33     char *image_desc;
  34
  35     /* Tile dimensions */
  36     unsigned tile_width, tile_height;
  37 };
  38
  39 boolean FDECL(read_bmp_tiles, (const char *filename, struct TileSetImage *image));
  40 boolean FDECL(read_gif_tiles, (const char *filename, struct TileSetImage *image));
  41 boolean FDECL(read_png_tiles, (const char *filename, struct TileSetImage *image));
  42
  43 #endif