47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
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/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2009 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* Useful functions and variables from SDL_pixel.c */
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#include "SDL_blit.h"
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/* Pixel format functions */
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extern SDL_PixelFormat *SDL_AllocFormat(int bpp,
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Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
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extern SDL_PixelFormat *SDL_ReallocFormat(SDL_Surface *surface, int bpp,
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Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
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extern void SDL_FormatChanged(SDL_Surface *surface);
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extern void SDL_FreeFormat(SDL_PixelFormat *format);
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/* Blit mapping functions */
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extern SDL_BlitMap *SDL_AllocBlitMap(void);
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extern void SDL_InvalidateMap(SDL_BlitMap *map);
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extern int SDL_MapSurface (SDL_Surface *src, SDL_Surface *dst);
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extern void SDL_FreeBlitMap(SDL_BlitMap *map);
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/* Miscellaneous functions */
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extern Uint16 SDL_CalculatePitch(SDL_Surface *surface);
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extern void SDL_DitherColors(SDL_Color *colors, int bpp);
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extern Uint8 SDL_FindColor(SDL_Palette *pal, Uint8 r, Uint8 g, Uint8 b);
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extern void SDL_ApplyGamma(Uint16 *gamma, SDL_Color *colors, SDL_Color *output, int ncolors);
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