Man page - sdl_getsurfacealphamod(3)

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Manual

SDL_GetSurfaceAlphaMod

NAME
HEADER FILE
SYNOPSIS
FUNCTION PARAMETERS
RETURN VALUE
THREAD SAFETY
AVAILABILITY
SEE ALSO

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.

THREAD SAFETY

It is safe to call this function from any thread.

AVAILABILITY

This function is available since SDL 3.2.0.

SEE ALSO

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