begin_display     499 librender/Renderer.h             _r.begin_display(c, w, h, x0, x1, y0, y1);
begin_display     553 librender/Renderer.h     virtual void begin_display(const rgba& background_color, 
begin_display      68 librender/cairo/Renderer_cairo.h     virtual void begin_display(const rgba& bg_color,