SDL_PremultiplySurfaceAlpha3
Premultiply the alpha in a surface.
Usage
#include "SDL3/SDL.h"
bool SDL_PremultiplySurfaceAlpha(SDL_Surface *surface, bool linear);
Header file
Defined in SDL3/SDL_surface.h
Overview
This is safe to use with src == dst, but not for other overlapping areas.
Function parameters
- surface
-
the surface to modify.
- linear
-
true to convert from sRGB to linear space for the alpha multiplication, false to do multiplication in sRGB space.
Return value
Returns true on success or false on failure; call
SDL_GetError () for more information.
Thread safety
This function is not thread safe.