+#ifdef __APPLE__
+ /* Below, the rendering scaling is set to support retina display
+ */
+ Cairo::Matrix original_matrix = context->get_matrix();
+ context->scale (0.5, 0.5);
+ context->set_source (_image, self.x0 * 2, self.y0 * 2);
+ context->fill ();
+ context->set_matrix (original_matrix);
+#else