'overlay shadow' on meter-metrics experiment

TODO: shadow should really be 'behind'. ie save color,
stroke_preserve() shadow, paint text-layout with saved color
and eventually cairo_new_path() reset the path...

diff --git a/gtk2_ardour/meter_patterns.cc b/gtk2_ardour/meter_patterns.cc
index 0182cc3e89429993670b031d3058bce69abf0d6a..6211bd9253da10a03af32b703cd622344795f1d8 100644 (file)
--- a/gtk2_ardour/meter_patterns.cc
+++ b/gtk2_ardour/meter_patterns.cc
@@ -756,6 +756,7 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                        fraction = (j->first) / 127.0;
                                        pos = 1 + height - (gint) rintf (height * fraction);
                                        pos = min (pos, height);
+                                       cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
                                        if (tickleft) {
                                                cairo_arc(cr, width - 2.0, pos + .5, 1.0, 0, 2 * M_PI);
                                                cairo_fill(cr);
@@ -781,6 +782,12 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                cairo_move_to (cr, width-3-tw, p);
                        }
                        pango_cairo_show_layout (cr, layout->gobj());
+
+                       cairo_set_line_width(cr, 1.5);
+                       cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, .15);
+                       pango_cairo_layout_path(cr, layout->gobj());
+                       cairo_stroke (cr);
+                       cairo_set_line_width(cr, 1.0);
                }
        }