src/video/SDL_pixels_c.h
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FUNCTIONS
This source file includes following functions.
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library 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 GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id: SDL_pixels_c.h,v 1.2.2.6 2001/02/10 07:20:05 hercules Exp $";
26 #endif
27
28 /* Useful functions and variables from SDL_pixel.c */
29
30 #include "SDL_blit.h"
31
32 /* Pixel format functions */
33 extern SDL_PixelFormat *SDL_AllocFormat(int bpp,
34 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
35 extern SDL_PixelFormat *SDL_ReallocFormat(SDL_Surface *surface, int bpp,
36 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
37 extern void SDL_FormatChanged(SDL_Surface *surface);
38 extern void SDL_FreeFormat(SDL_PixelFormat *format);
39
40 /* Blit mapping functions */
41 extern SDL_BlitMap *SDL_AllocBlitMap(void);
42 extern void SDL_InvalidateMap(SDL_BlitMap *map);
43 extern int SDL_MapSurface (SDL_Surface *src, SDL_Surface *dst);
44 extern void SDL_FreeBlitMap(SDL_BlitMap *map);
45
46 /* Miscellaneous functions */
47 extern Uint16 SDL_CalculatePitch(SDL_Surface *surface);
48 extern void SDL_DitherColors(SDL_Color *colors, int bpp);
49 extern Uint8 SDL_FindColor(SDL_Palette *pal, Uint8 r, Uint8 g, Uint8 b);
50 extern void SDL_ApplyGamma(Uint16 *gamma, SDL_Color *colors, SDL_Color *output, int ncolors);