DRAFT |
SDL_GetWindowOpacity
Use this function to get the opacity of a window.
Contents
Syntax
int SDL_GetWindowOpacity(SDL_Window* window,
float* opacity)
Function Parameters
window |
the window to get the current opacity value from |
opacity |
the float filled in (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
If transparency isn't supported on this platform, opacity will be reported as 1.0f without error.
The parameter opacity is ignored if it is NULL.
This function also returns -1 if an invalid window was provided.
This function is only supported on DirectFB, X11, Cocoa (Apple Mac OS X) and Microsoft Windows.
Version
This function is available since SDL 2.0.5.
