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NAME
SDL_SetWindowOpacity - Set the opacity for a window.
HEADER FILE
Defined in SDL3/SDL_video.h
SYNOPSIS
#include "SDL3/SDL.h" bool SDL_SetWindowOpacity(SDL_Window *window, float opacity);
DESCRIPTION
The parameter opacity will be clamped internally between 0.0f (transparent) and 1.0f (opaque). This function also returns false if setting the opacity isn't supported.
FUNCTION PARAMETERS
window the window which will be made transparent or opaque. opacity the opacity value (0.0f - transparent, 1.0f - opaque).
RETURN VALUE
Returns true on success or false on failure; call SDL_GetError () for more information.
THREAD SAFETY
This function should only be called on the main thread.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_GetWindowOpacity(3) Simple Directmedia Layer SDL 3.2.8 SDL_SetWindowOpacity(3)