swap(y_min, y_max);
}
+void BBox::join(BBox &with)
+{
+ x_min = min(x_min, with.x_min);
+ x_max = max(x_max, with.x_max);
+ y_min = min(y_min, with.y_min);
+ y_max = max(y_max, with.y_max);
+}
+
/*** Unicode strings ***/
// Construct PDF representation of a UTF-8 string