Method set_draw_color

sdl/src/host.rs:419–424

(&mut self, color: RGB)

    }

    fn set_draw_color(&mut self, color: RGB) {
        if self.draw_color != color {
            self.canvas.set_draw_color(rgb_to_color(color));
            self.draw_color = color;
        }
    }

    fn clear(&mut self) -> io::Result<()> {
        self.canvas.clear();