| 0,0 → 1,50 |
|---|
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| |
| #ifdef SAVE_RCSID |
| static char rcsid = |
| "@(#) $Id: SDL_pixels_c.h,v 1.2 2001/04/26 16:50:18 hercules Exp $"; |
| #endif |
| |
| /* 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 SDL_PixelFormat *SDL_ReallocFormat(SDL_Surface *surface, 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 Uint16 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); |