Man page - img_savepng_io(3)

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Package: libsdl3-image-doc
apt-get install libsdl3-image-doc

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IMG_SavePNG_IO(3)

SDL_image3 FUNCTIONS

IMG_SavePNG_IO(3)

IMG_SavePNG_IO - Save an SDL_Surface into PNG image data, via an SDL_IOStream.

Defined in SDL3_image/SDL_image.h

#include "SDL3_image/SDL_image.h"

bool IMG_SavePNG_IO(SDL_Surface *surface, SDL_IOStream *dst, bool closeio);

If you just want to save to a filename, you can use

IMG_SavePNG () instead.

If closeio is true, dst will be closed before returning, whether this function succeeds or not.

surface: the SDL surface to save.
dst: the SDL_IOStream to save the image data to.
closeio: true to close/free the SDL_IOStream before returning, false to leave it open.

Returns true on success or false on failure; call SDL_GetError() for more information.

This function is available since SDL_image 3.0.0.