NAME¶

SDL_GetSurfaceAlphaMod - Get the additional alpha value used in blit operations.

HEADER FILE¶

Defined in SDL3/SDL_surface.h

SYNOPSIS¶

#include "SDL3/SDL.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.

AVAILABILITY¶

This function is available since SDL 3.1.3.

SEE ALSO¶

•(3), SDL_GetSurfaceColorMod(3), •(3), SDL_SetSurfaceAlphaMod(3)