GdkGC *gc = gdk_gc_new(control_flow_data->drawing->pixmap);
gdk_gc_copy(gc, widget->style->white_gc);
gdk_gc_set_line_attributes(gc,
GdkGC *gc = gdk_gc_new(control_flow_data->drawing->pixmap);
gdk_gc_copy(gc, widget->style->white_gc);
gdk_gc_set_line_attributes(gc,