SDL_GetSurfaceColorKey3
Get the color key (transparent pixel) for a surface.
Usage
#include "SDL3/SDL.h"
bool SDL_GetSurfaceColorKey(SDL_Surface *surface, Uint32 *key);
Header file
Defined in SDL3/SDL_surface.h
Overview
The color key is a pixel of the format used by the surface, as generated by
SDL_MapRGB ().
If the surface doesn't have color key enabled this function returns false.
Function parameters
surface
|
the |
|---|---|
key
|
a pointer filled in with the transparent pixel. |
Return value
Returns true on success or false on failure; call
SDL_GetError () for more information.
Thread safety
It is safe to call this function from any thread.