Function SDL_GetRenderDrawColorFloat 

pub unsafe extern "C" fn SDL_GetRenderDrawColorFloat(
    renderer: *mut SDL_Renderer,
    r: *mut c_float,
    g: *mut c_float,
    b: *mut c_float,
    a: *mut c_float,
) -> bool

Get the color used for drawing operations (Rect, Line and Clear).

Parameters

• renderer: the rendering context.
• r: a pointer filled in with the red value used to draw on the rendering target.
• g: a pointer filled in with the green value used to draw on the rendering target.
• b: a pointer filled in with the blue value used to draw on the rendering target.
• a: a pointer filled in with the alpha value used to draw on the rendering target.

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

• SDL_SetRenderDrawColorFloat
• SDL_GetRenderDrawColor