- window-opacity windowprocedure
- set! (window-opacity window) opacitysetter
- window-opacity-set! window opacitysetter
See SDL_GetWindowOpacity and SDL_SetWindowOpacity.
Requires SDL 2.0.5 or higher, and sdl2 egg 0.4.0 or higher.
See SDL_GetWindowOpacity and SDL_SetWindowOpacity.
Requires SDL 2.0.5 or higher, and sdl2 egg 0.4.0 or higher.