- int box_x = MIN(box->x1, box->x2);
- int box_y = MIN(box->y1, box->y2);
- int box_width = abs(box->x2 - box->x1);
- int box_height = abs(box->y2 - box->y1);
- cairo_rectangle (cr, box_x, box_y, box_width, box_height);
+ cairo_rectangle (cr, box->x1, box->y1, box->x2 -box->x1, box->y2 - box->y1);