Function sdl2_sys::SDL_GetRenderDrawColor

pub unsafe extern "C" fn SDL_GetRenderDrawColor(
    renderer: *mut SDL_Renderer,
    r: *mut Uint8,
    g: *mut Uint8,
    b: *mut Uint8,
    a: *mut Uint8,
) -> c_int

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

\param renderer the rendering context \param r a pointer filled in with the red value used to draw on the rendering target \param g a pointer filled in with the green value used to draw on the rendering target \param b a pointer filled in with the blue value used to draw on the rendering target \param a a pointer filled in with the alpha value used to draw on the rendering target; usually SDL_ALPHA_OPAQUE (255) \returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

\since This function is available since SDL 2.0.0.

\sa SDL_SetRenderDrawColor