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