| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2006 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library 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. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| /* Useful functions and variables from SDL_pixel.c */ |
| |
| #include "SDL_blit.h" |
| |
| /* Pixel format functions */ |
| extern SDL_PixelFormat *SDL_AllocFormat(int bpp, |
| Uint32 Rmask, Uint32 Gmask, |
| Uint32 Bmask, Uint32 Amask); |
| extern void SDL_FormatChanged(SDL_Surface * surface); |
| extern void SDL_FreeFormat(SDL_PixelFormat * format); |
| |
| /* Blit mapping functions */ |
| extern SDL_BlitMap *SDL_AllocBlitMap(void); |
| extern void SDL_InvalidateMap(SDL_BlitMap * map); |
| extern int SDL_MapSurface(SDL_Surface * src, SDL_Surface * dst); |
| extern void SDL_FreeBlitMap(SDL_BlitMap * map); |
| |
| /* Miscellaneous functions */ |
| extern int SDL_CalculatePitch(SDL_Surface * surface); |
| extern void SDL_DitherColors(SDL_Color * colors, int bpp); |
| extern Uint8 SDL_FindColor(SDL_Palette * pal, Uint8 r, Uint8 g, Uint8 b); |
| extern void SDL_ApplyGamma(Uint16 * gamma, SDL_Color * colors, |
| SDL_Color * output, int ncolors); |
| /* vi: set ts=4 sw=4 expandtab: */ |