45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
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#ifndef _SDL_SAVEPNG
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#define _SDL_SAVEPNG
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/*
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* SDL_SavePNG -- libpng-based SDL_Surface writer.
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*
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* This code is free software, available under zlib/libpng license.
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* http://www.libpng.org/pub/png/src/libpng-LICENSE.txt
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*/
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#ifdef __cplusplus
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extern "C" { /* This helps CPP projects that include this header */
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#endif
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/*
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* Save an SDL_Surface as a PNG file.
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*
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* Returns 0 success or -1 on failure, the error message is then retrievable
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* via SDL_GetError().
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*/
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#define SDL_SavePNG(surface, file) \
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SDL_SavePNG_RW(surface, SDL_RWFromFile(file, "wb"), 1)
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/*
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* Save an SDL_Surface as a PNG file, using writable RWops.
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*
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* surface - the SDL_Surface structure containing the image to be saved
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* dst - a data stream to save to
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* freedst - non-zero to close the stream after being written
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*
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* Returns 0 success or -1 on failure, the error message is then retrievable
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* via SDL_GetError().
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*/
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extern int SDL_SavePNG_RW(SDL_Surface *surface, SDL_RWops *rw, int freedst);
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/*
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* Return new SDL_Surface with a format suitable for PNG output.
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*/
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extern SDL_Surface *SDL_PNGFormatAlpha(SDL_Surface *src);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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