void ofCairoRenderer::startRender(){
	if(!surface || !cr)
		setStyle(currentStyle);
	if(page==0 || !multiPage){
		page=1;
	}else{
		page++;
		if(getBackgroundAuto()){
			cairo_show_page(cr);
			clear();
		}else{
			cairo_copy_page(cr);
		}
	}
}
void ofCairoRenderer::update(){
	if(!surface || !cr)
	setStyle(ofGetStyle());
	cairo_surface_flush(surface);
	if(page==0 || !multiPage){
		page=1;
	}else{
		page++;
		if(getBackgroundAuto()){
			cairo_show_page(cr);
			clear();
		}else{
			cairo_copy_page(cr);
		}
	}
}