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SDL_DisplayFormatAlpha(3)
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SDL_!DisplayFormatAlpha !!!SDL_!DisplayFormatAlpha NAME SYNOPSIS DESCRIPTION RETURN VALUE SEE ALSO ---- !!NAME SDL_!DisplayFormatAlpha- Convert a surface to the display format !!SYNOPSIS __#include __ __SDL_Surface *SDL_!DisplayFormatAlpha__(__SDL_Surface *surface__); !!DESCRIPTION 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. !!RETURN VALUE If the conversion fails or runs out of memory, it returns __NULL__ !!SEE ALSO ''SDL_!ConvertSurface'', ''SDL_!SetAlpha'', ''SDL_!SetColorKey'', ''SDL_!DisplayFormat'', ''SDL_Surface'' ----
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