SDL_GetSurfaceAlphaMod - Man Page
Get the additional alpha value used in blit operations.
Synopsis
#include <SDL3/SDL_surface.h> bool SDL_GetSurfaceAlphaMod(SDL_Surface *surface, Uint8 *alpha);
Function Parameters
- surface
the SDL_Surface structure to query.
- alpha
a pointer filled in with the current alpha value.
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.
Availability
This function is available since SDL 3.2.0.
See Also
Referenced By
SDL_GetSurfaceColorMod(3), SDL_SetSurfaceAlphaMod(3).
SDL 3.3.2 Simple Directmedia Layer SDL3 FUNCTIONS