DRAFT |
SDL_SetWindowOpacity
Use this function to set the opacity for a window.
Contents
Syntax
int SDL_SetWindowOpacity(SDL_Window* window,
float opacity)
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 0 on success or a negative error code on failure; call SDL_GetError() for more information.
Code Examples
You can add your code example here
Remarks
The parameter opacity will be clamped internally between 0.0f (transparent) and 1.0f (opaque).
This function also returns -1 if setting the opacity isn't supported.
This function is only supported on DirectFB, X11, Cocoa (Apple Mac OS X) and Microsoft Windows.
Version
This function is available in unstable versions newer than (stable) SDL 2.0.4.
