Method draw

src/Engine/Surface.cpp:488–492

* Draws the graphic that the surface contains before it * gets blitted onto other surfaces. The surface is only * redrawn if the flag is set by a property change, to * avoid unecessary drawing. */

 * avoid unecessary drawing.
 */
void Surface::draw()
{
	_redraw = false;
	clear();
}

/**
 * Blits this surface onto another one, with its position