Function fermium::renderer::SDL_GetRenderDrawColor

pub unsafe extern "C" fn SDL_GetRenderDrawColor(
    renderer: *mut SDL_Renderer,
    r: *mut u8,
    g: *mut u8,
    b: *mut u8,
    a: *mut u8
) -> c_int

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

• renderer The renderer from which drawing color should be queried.
• r A pointer to the red value used to draw on the rendering target.
• g A pointer to the green value used to draw on the rendering target.
• b A pointer to the blue value used to draw on the rendering target.
• a A pointer to the alpha value used to draw on the rendering target, usually SDL_ALPHA_OPAQUE (255).

Returns: 0 on success, or -1 on error