1 /*

2 256-color 3D graphics hack for real-mode DOS.

3 Copyright (C) 2011 John Tsiombikas <nuclear@member.fsf.org>

4

5 This program is free software: you can redistribute it and/or modify

6 it under the terms of the GNU General Public License as published by

7 the Free Software Foundation, either version 3 of the License, or

8 (at your option) any later version.

9

10 This program is distributed in the hope that it will be useful,

11 but WITHOUT ANY WARRANTY; without even the implied warranty of

12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

13 GNU General Public License for more details.

14

15 You should have received a copy of the GNU General Public License

16 along with this program. If not, see <http://www.gnu.org/licenses/>.

17 */

18 #ifndef TEXTURE_H_

19 #define TEXTURE_H_

20

21 struct texture {

22 int width, height;

23 unsigned char *pixels;

24

25 struct {

26 unsigned char r, g, b;

27 } *palette;

28 int num_colors;

29

30 FILE *file;

31 };

32

33 struct texture *load_texture(const char *fname);

34 void free_texture(struct texture *tex);

35

36 struct texture *tex_gen_checker(int xsz, int ysz, int usub, int vsub, int c1, int c2);

37

38 unsigned char *get_texture_pixels(struct texture *tex);

39 int find_texture_color(struct texture *tex, int r, int g, int b);

40

41 #endif /* TEXTURE_H_ */