1 /**
2  * Fade down / fade up, preserving white pixels
3 
4  * Copyright (C) 2008  Sylvain Beucler
5 
6  * This file is part of GNU FreeDink
7 
8  * GNU FreeDink is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 3 of the
11  * License, or (at your option) any later version.
12 
13  * GNU FreeDink is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17 
18  * You should have received a copy of the GNU General Public License
19  * along with this program.  If not, see
20  * <http://www.gnu.org/licenses/>.
21  */
22 
23 
24 #ifndef _GFX_FADE_H
25 #define _GFX_FADE_H
26 
27 extern void gfx_fade_init(void);
28 extern void gfx_fade_quit(void);
29 extern void gfx_fade_apply(int brightness);
30 
31 #endif
32