-
- cairo_arc (cr, x1 + arc_radius, _height, arc_radius, M_PI, 3 * M_PI / 2);
- cairo_line_to (cr, x2 - arc_radius, 0);
- cairo_arc (cr, x2 - arc_radius, _height, arc_radius, 3 * M_PI / 2, 2 * M_PI);
- cairo_line_to (cr, x1, _height);
+
+ a = 1.0;
+
+ cairo_set_source_rgba (cr, r, g, b, a);
+ cairo_arc (cr, tab.from + arc_radius, get_height(), arc_radius, M_PI, 3 * M_PI / 2);
+ cairo_line_to (cr, tab.to - arc_radius, 0);
+ cairo_arc (cr, tab.to - arc_radius, get_height(), arc_radius, 3 * M_PI / 2, 2 * M_PI);
+ cairo_line_to (cr, tab.from, get_height());