SDL_GetSurfaceAlphaMod

Get the additional alpha value used in blit operations.

Header File

Defined in <SDL3/SDL_surface.h>

Syntax

bool SDL_GetSurfaceAlphaMod(SDL_Surface *surface, Uint8 *alpha);

Function Parameters

SDL_Surface *	surface	the SDL_Surface structure to query.
Uint8 *	alpha	a pointer filled in with the current alpha value.

Return Value

(bool) 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.

Version

This function is available since SDL 3.2.0.

See Also

• SDL_GetSurfaceColorMod
• SDL_SetSurfaceAlphaMod

---

CategoryAPI, CategoryAPIFunction, CategorySurface

All wiki content is licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).
Wiki powered by ghwikipp.