SDL_DisplayFormatAlpha?
NAME SYNOPSIS DESCRIPTION RETURN VALUE SEE ALSO
SDL_DisplayFormatAlpha?- Convert a surface to the display format
#include
SDL_Surface *SDL_DisplayFormatAlpha?(__SDL_Surface
This function takes a surface and copies it to a new surface of the pixel format and colors of the video framebuffer plus an alpha channel, suitable for fast blitting onto the display surface. It calls SDL_ConvertSurface?
If you want to take advantage of hardware colorkey or alpha blit acceleration, you should set the colorkey and alpha value before calling this function.
If the conversion fails or runs out of memory, it returns NULL
SDL_ConvertSurface?, SDL_SetAlpha?, SDL_SetColorKey?, SDL_DisplayFormat?, SDL_Surface
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