SDL_SetWindowOpacity3
Set the opacity for a window.
Usage
#include "SDL3/SDL.h"
bool SDL_SetWindowOpacity(SDL_Window *window, float opacity);
Header file
Defined in SDL3/SDL_video.h
Overview
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.