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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2009 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 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);
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