Mercurial > sdl-ios-xcode
diff src/video/SDL_pixels_c.h @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | e8157fcb3114 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/SDL_pixels_c.h Thu Apr 26 16:45:43 2001 +0000 @@ -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 = + "@(#) $Id$"; +#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);