Merge branch 'cairocanvas'
[ardour.git] / gtk2_ardour / meter_patterns.cc
index 193039b3eb8df0b39df0da45d65e3a16e8f3bdc0..55eb16246a532e5fcc2e4d66de8614827adceee6 100644 (file)
@@ -31,6 +31,7 @@
 #include "i18n.h"
 
 using namespace ARDOUR;
+using namespace ARDOUR_UI_UTILS;
 using namespace PBD;
 using namespace Gtk;
 using namespace Gtkmm2ext;
@@ -52,15 +53,17 @@ sigc::signal<void, int, ARDOUR::RouteGroup*, ARDOUR::MeterType> ArdourMeter::Set
 /* pattern cache */
 
 struct MeterMatricsMapKey {
-       MeterMatricsMapKey (std::string n, MeterType t)
+       MeterMatricsMapKey (std::string n, MeterType t, int dt)
                : _n(n)
                , _t(t)
+               , _dt(dt)
        {}
        inline bool operator<(const MeterMatricsMapKey& rhs) const {
-               return (_n < rhs._n) || (_n == rhs._n && _t < rhs._t);
+               return (_n < rhs._n) || (_n == rhs._n && _t < rhs._t) || (_n == rhs._n && _t == rhs._t && _dt < rhs._dt);
        }
        std::string _n;
        MeterType _t;
+       int _dt;
 };
 
 namespace ArdourMeter {
@@ -99,6 +102,9 @@ ArdourMeter::meter_type_string (ARDOUR::MeterType mt)
                case MeterK14:
                        return _("K14");
                        break;
+               case MeterK12:
+                       return _("K12");
+                       break;
                case MeterVU:
                        return _("VU");
                        break;
@@ -108,6 +114,14 @@ ArdourMeter::meter_type_string (ARDOUR::MeterType mt)
        }
 }
 
+static inline int types_to_bit (vector<ARDOUR::DataType> types) {
+       int rv = 0;
+       for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
+               rv |= 1 << (*i);
+       }
+       return rv;
+}
+
 static inline float mtr_col_and_fract(
                cairo_t* cr, Gdk::Color const * const c, const uint32_t peakcolor, const MeterType mt, const float val)
 {
@@ -130,18 +144,12 @@ static inline float mtr_col_and_fract(
                case MeterIEC2BBC:
                case MeterIEC2EBU:
                        fraction = meter_deflect_ppm(val);
-                       if (val >= -10.0) {
-                               cairo_set_source_rgb (cr,
-                                               UINT_RGBA_R_FLT(peakcolor),
-                                               UINT_RGBA_G_FLT(peakcolor),
-                                               UINT_RGBA_B_FLT(peakcolor));
-                       } else {
-                               cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
-                       }
+                       cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
                        break;
                case MeterIEC1NOR:
                        fraction = meter_deflect_nordic(val);
-                       if (val >= -12.0) {
+#if 0
+                       if (val == -18.0) {
                                cairo_set_source_rgb (cr,
                                                UINT_RGBA_R_FLT(peakcolor),
                                                UINT_RGBA_G_FLT(peakcolor),
@@ -149,10 +157,13 @@ static inline float mtr_col_and_fract(
                        } else {
                                cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
                        }
+#else
+                       cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
+#endif
                        break;
                case MeterIEC1DIN:
                        fraction = meter_deflect_din(val);
-                       if (val >= -9.0) {
+                       if (val == -9.0 || val == -15 || val == -18) {
                                cairo_set_source_rgb (cr,
                                                UINT_RGBA_R_FLT(peakcolor),
                                                UINT_RGBA_G_FLT(peakcolor),
@@ -192,10 +203,80 @@ static inline float mtr_col_and_fract(
                        }
                        fraction = meter_deflect_k (val, 14);
                        break;
+               case MeterK12:
+                       if (val >= -8.0) {
+                               cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
+                       } else if (val >= -12.0) {
+                               cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
+                       } else {
+                               cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
+                       }
+                       fraction = meter_deflect_k (val, 12);
+                       break;
        }
        return fraction;
 }
 
+static void mtr_red_stripe(cairo_t* cr, float l, float w, int h, float top, float bot) {
+       if (w <= 0) return;
+       int t = h - floorf (h * (top));
+       int b = h - floorf (h * (bot));
+       cairo_set_source_rgba (cr, .75, 0, 0, 0.75);
+       cairo_rectangle (cr, l, t + .5, w, b - t);
+       cairo_fill (cr);
+}
+
+static void set_bg_color(Gtk::Widget& w, cairo_t* cr, MeterType type) {
+       float r,g,b;
+       switch(type) {
+               case MeterVU:
+                       if (rgba_p_from_style("meterstripVU", &r, &g, &b, "bg")) {
+                               cairo_set_source_rgb (cr, r, g, b);
+                       } else {
+                               cairo_set_source_rgb (cr, 1.0, 1.0, 0.85);
+                       }
+                       break;
+               case MeterIEC1DIN:
+               case MeterIEC1NOR:
+               case MeterIEC2BBC:
+               case MeterIEC2EBU:
+               case MeterK12:
+               case MeterK14:
+               case MeterK20:
+                       if (rgba_p_from_style("meterstripPPM", &r, &g, &b, "bg")) {
+                               cairo_set_source_rgb (cr, r, g, b);
+                       } else {
+                               cairo_set_source_rgb (cr, 0.1, 0.1, 0.1);
+                       }
+                       break;
+               default:
+                       {
+                       Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
+                       cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
+                       }
+                       break;
+       }
+}
+
+static void set_fg_color(Gtk::Widget&, MeterType type, Gdk::Color * c) {
+       float r,g,b;
+       switch(type) {
+               case MeterVU:
+                       if (rgba_p_from_style("meterstripVU", &r, &g, &b)) {
+                               c->set_rgb_p(r, g, b);
+                       } else {
+                               c->set_rgb_p(0.0, 0.0, 0.0);
+                       }
+                       break;
+               default:
+                       if (rgba_p_from_style("meterstripPPM", &r, &g, &b)) {
+                               c->set_rgb_p(r, g, b);
+                       } else {
+                               c->set_rgb_p(1.0, 1.0, 1.0);
+                       }
+                       break;
+       }
+}
 
 static cairo_pattern_t*
 meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> types)
@@ -203,19 +284,45 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
        Glib::RefPtr<Gdk::Window> win (w.get_window());
 
        bool background;
+       bool tickleft, tickright;
        gint width, height;
        win->get_size (width, height);
-       background = types.size() == 0
-               || w.get_name().substr(w.get_name().length() - 4) == "Left"
-               || w.get_name().substr(w.get_name().length() - 5) == "Right";
+       tickleft = w.get_name().substr(w.get_name().length() - 4) == "Left";
+       tickright = w.get_name().substr(w.get_name().length() - 5) == "Right";
+       background = types.size() == 0 || tickleft || tickright;
+
+       float box_l=0;
+       float box_w=0;
+       if (tickleft) {
+               if (w.get_name().substr(0, 3) == "Bar") {
+                       box_l = width-2; box_w = 2;
+               } else if (w.get_name().substr(0, 4) == "Mark") {
+                       box_l = width-2; box_w = 2;
+                       background = false;
+               }
+       } else if (tickright) {
+               if (w.get_name().substr(0, 3) == "Bar") {
+                       box_l = 0; box_w = 2;
+               } else if (w.get_name().substr(0, 4) == "Mark") {
+                       box_l = 0; box_w = 2;
+                       background = false;
+               }
+       } else {
+               box_l = 0; box_w = 3;
+       }
 
        cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
        cairo_t* cr = cairo_create (surface);
 
        cairo_move_to (cr, 0, 0);
        cairo_rectangle (cr, 0, 0, width, height);
-       {
-               Gdk::Color c = w.get_style()->get_bg (background ? Gtk::STATE_ACTIVE : Gtk::STATE_NORMAL);
+
+       if (background) {
+               /* meterbridge */
+               set_bg_color(w, cr, type);
+       } else {
+               /* mixer */
+               Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
                cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
        }
        cairo_fill (cr);
@@ -226,23 +333,13 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
        for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
 
                Gdk::Color c;
-               c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
-
-               if (types.size() > 1) {
+               if (types.size() > 1 && (*i) == DataType::MIDI) {
                        /* we're overlaying more than 1 set of marks, so use different colours */
-                       switch (*i) {
-                       case DataType::AUDIO:
-                               c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
-                               cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
-                               break;
-                       case DataType::MIDI:
-                               c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
-                               cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
-                               break;
-                       }
+                       c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
+               } else if (background) {
+                       set_fg_color(w, type, &c);
                } else {
                        c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
-                       cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
                }
 
                // tick-maker position in dBFS, line-thickness
@@ -252,6 +349,20 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
                case DataType::AUDIO:
 
                        switch (type) {
+                               case MeterK12:
+                                       points.insert (std::pair<float,float>(-52.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-42.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-32.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-22.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-18.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-15.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-12.0f, 1.0));
+                                       points.insert (std::pair<float,float>( -9.0f, 1.0));
+                                       points.insert (std::pair<float,float>( -8.0f, 0.8));
+                                       points.insert (std::pair<float,float>( -6.0f, 1.0));
+                                       points.insert (std::pair<float,float>( -3.0f, 1.0));
+                                       points.insert (std::pair<float,float>(  0.0f, 1.0));
+                                       break;
                                case MeterK14:
                                        points.insert (std::pair<float,float>(-54.0f, 1.0));
                                        points.insert (std::pair<float,float>(-44.0f, 1.0));
@@ -259,10 +370,11 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
                                        points.insert (std::pair<float,float>(-24.0f, 1.0));
                                        points.insert (std::pair<float,float>(-20.0f, 1.0));
                                        points.insert (std::pair<float,float>(-17.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-14.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-11.0f, 1.0));
-                                       points.insert (std::pair<float,float>( -8.0f, 1.0));
-                                       points.insert (std::pair<float,float>( -4.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-14.0f, 1.0)); //   0
+                                       points.insert (std::pair<float,float>(-11.0f, 1.0)); //  +3
+                                       points.insert (std::pair<float,float>(-10.0f, 0.8)); //  +4
+                                       points.insert (std::pair<float,float>( -8.0f, 1.0)); //  +6
+                                       points.insert (std::pair<float,float>( -4.0f, 1.0)); // +10
                                        points.insert (std::pair<float,float>(  0.0f, 1.0));
                                        break;
                                case MeterK20:
@@ -272,12 +384,13 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
                                        points.insert (std::pair<float,float>(-30.0f, 1.0));
                                        points.insert (std::pair<float,float>(-26.0f, 1.0));
                                        points.insert (std::pair<float,float>(-23.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-20.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-20.0f, 1.0)); //  0
                                        points.insert (std::pair<float,float>(-17.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-14.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-16.0f, 0.8));
+                                       points.insert (std::pair<float,float>(-14.0f, 1.0)); // +6
                                        points.insert (std::pair<float,float>(-10.0f, 1.0));
                                        points.insert (std::pair<float,float>( -5.0f, 1.0));
-                                       points.insert (std::pair<float,float>(  0.0f, 1.0));
+                                       points.insert (std::pair<float,float>(  0.0f, 1.0)); //+20
                                        break;
                                case MeterIEC2EBU:
                                        points.insert (std::pair<float,float>(-30.0f, 1.0));
@@ -291,7 +404,7 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
                                        points.insert (std::pair<float,float>(-14.0f, 1.0));
                                        points.insert (std::pair<float,float>(-12.0f, 0.5));
                                        points.insert (std::pair<float,float>(-10.0f, 1.0));
-                                       points.insert (std::pair<float,float>( -9.0f, 0.5));
+                                       points.insert (std::pair<float,float>( -9.0f, 0.8));
                                        points.insert (std::pair<float,float>( -8.0f, 0.5));
                                        points.insert (std::pair<float,float>( -6.0f, 1.0));
                                        break;
@@ -315,44 +428,66 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
                                        points.insert (std::pair<float,float>(-39.0f, 0.5));
                                        points.insert (std::pair<float,float>(-36.0f, 1.0));
 
-                                       points.insert (std::pair<float,float>(-33.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-33.0f, 0.5));
                                        points.insert (std::pair<float,float>(-30.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-27.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-27.0f, 0.5));
                                        points.insert (std::pair<float,float>(-24.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-21.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-21.0f, 0.5));
 
                                        points.insert (std::pair<float,float>(-18.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-15.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-15.0f, 0.5));
                                        points.insert (std::pair<float,float>(-12.0f, 1.0));
                                        points.insert (std::pair<float,float>( -9.0f, 1.0));
-                                       points.insert (std::pair<float,float>( -6.0f, 1.0));
+                                       points.insert (std::pair<float,float>( -6.0f, 0.5));
+                                       mtr_red_stripe(cr, box_l, box_w, height,
+                                                       meter_deflect_nordic(-6.0f), meter_deflect_nordic(-12.0f));
                                        break;
                                case MeterIEC1DIN:
                                        points.insert (std::pair<float,float>( -3.0f, 0.5)); // "200%"
-                                       points.insert (std::pair<float,float>( -4.0f, 1.0)); // "100%"
-                                       points.insert (std::pair<float,float>( -9.0f, 1.0));
+                                       points.insert (std::pair<float,float>( -4.0f, 1.0));
+                                       points.insert (std::pair<float,float>( -5.0f, 0.5));
+                                       points.insert (std::pair<float,float>( -6.0f, 0.5));
+                                       points.insert (std::pair<float,float>( -7.0f, 0.5));
+                                       points.insert (std::pair<float,float>( -8.0f, 0.5));
+                                       points.insert (std::pair<float,float>( -9.0f, 1.0)); // "100%"
+                                       points.insert (std::pair<float,float>(-10.0f, 0.5));
+                                       points.insert (std::pair<float,float>(-11.0f, 0.5));
+                                       points.insert (std::pair<float,float>(-12.0f, 0.5));
+                                       points.insert (std::pair<float,float>(-13.0f, 0.5));
                                        points.insert (std::pair<float,float>(-14.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-15.0f, 0.5)); // "50%"
-                                       points.insert (std::pair<float,float>(-18.0f, 0.5)); // "-9"
-                                       points.insert (std::pair<float,float>(-19.0f, 1.0)); // "30%"
-                                       points.insert (std::pair<float,float>(-29.0f, 1.0)); // "10%"
-                                       points.insert (std::pair<float,float>(-35.0f, 0.5)); // "5%" " -20"
-                                       points.insert (std::pair<float,float>(-39.0f, 1.0)); // "3%"
-                                       points.insert (std::pair<float,float>(-49.0f, 0.5)); // "1%"
+                                       points.insert (std::pair<float,float>(-15.0f, 0.8)); // "50%"
+                                       points.insert (std::pair<float,float>(-18.0f, 0.8)); // "-9"
+                                       points.insert (std::pair<float,float>(-19.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-24.0f, 0.5));
+                                       points.insert (std::pair<float,float>(-29.0f, 1.0)); // "-20", "10%"
+                                       points.insert (std::pair<float,float>(-34.0f, 0.5)); // -25
+                                       //points.insert (std::pair<float,float>(-35.0f, 0.5)); // "5%" " -20"
+                                       points.insert (std::pair<float,float>(-39.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-49.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-54.0f, 0.5));
                                        points.insert (std::pair<float,float>(-59.0f, 1.0));
+                                       mtr_red_stripe(cr, box_l, box_w, height,
+                                                       meter_deflect_din(0.0f), meter_deflect_din(-9.0f));
                                        break;
                                case MeterVU:
-                                       points.insert (std::pair<float,float>(-17.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-17.0f, 1.0)); //+3 VU
                                        points.insert (std::pair<float,float>(-18.0f, 1.0));
                                        points.insert (std::pair<float,float>(-19.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-20.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-19.5f, 0.5));
+                                       points.insert (std::pair<float,float>(-20.0f, 1.0)); // 0 VU
+                                       points.insert (std::pair<float,float>(-20.5f, 0.5));
                                        points.insert (std::pair<float,float>(-21.0f, 1.0));
                                        points.insert (std::pair<float,float>(-22.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-23.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-23.0f, 1.0)); //-3 VU
+                                       points.insert (std::pair<float,float>(-24.0f, 0.5));
                                        points.insert (std::pair<float,float>(-25.0f, 1.0));
-                                       points.insert (std::pair<float,float>(-27.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-26.0f, 0.5));
+                                       points.insert (std::pair<float,float>(-27.0f, 1.0)); //-7 VU
                                        points.insert (std::pair<float,float>(-30.0f, 1.0));
+                                       points.insert (std::pair<float,float>(-35.0f, 0.5));
                                        points.insert (std::pair<float,float>(-40.0f, 1.0));
+                                       mtr_red_stripe(cr, box_l, box_w, height,
+                                                       meter_deflect_vu(-17.0f), meter_deflect_vu(-20.0f));
                                        break;
 
                                default:
@@ -433,6 +568,7 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
                                fraction = (j->first) / 127.0;
                                pos = 1 + height - (gint) floor (height * fraction);
                                pos = min (pos, height);
+                               cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
                                cairo_arc(cr, 1.5, pos + .5, 1.0, 0, 2 * M_PI);
                                cairo_fill(cr);
                                break;
@@ -455,6 +591,7 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 
        bool tickleft, tickright;
        bool background;
+       int overlay_midi = 1;
        gint width, height;
        win->get_size (width, height);
 
@@ -477,7 +614,7 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
        Pango::AttrFontDesc* font_attr;
        Pango::FontDescription font;
 
-       font = Pango::FontDescription ("ArdourMono");
+       font = Pango::FontDescription (ARDOUR_UI::config()->get_canvasvar_SmallMonospaceFont());
        double fixfontsize = 81920.0 / (double) ARDOUR::Config->get_font_scale();
 
        font.set_weight (Pango::WEIGHT_NORMAL);
@@ -500,8 +637,12 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 
        cairo_move_to (cr, 0, 0);
        cairo_rectangle (cr, 0, 0, width, height);
-       {
-               Gdk::Color c = w.get_style()->get_bg (background ? Gtk::STATE_ACTIVE : Gtk::STATE_NORMAL);
+       if (background) {
+               /* meterbridge */
+               set_bg_color(w, cr, type);
+       } else {
+               /* mixer */
+               Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
                cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
        }
        cairo_fill (cr);
@@ -510,56 +651,66 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 
        height = min(max_pattern_metric_size, height);
        uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
+       Gdk::Color c; // default text color
 
        for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
 
-               Gdk::Color c;
-               if (types.size() > 1) {
+               if (types.size() > 1 && (*i) == DataType::MIDI && overlay_midi == 0) {
+                       continue;
+               }
+
+               if (types.size() > 1 && (*i) == DataType::MIDI) {
                        /* we're overlaying more than 1 set of marks, so use different colours */
-                       switch (*i) {
-                       case DataType::AUDIO:
-                               c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
-                               cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
-                               break;
-                       case DataType::MIDI:
-                               c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
-                               cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
-                               break;
-                       }
+                       c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
+               } else if (background) {
+                       set_fg_color(w, type, &c);
                } else {
                        c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
-                       cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
                }
 
-
-               // label-pos in dBFS, label-text
-               std::map<float,string> points;
+               std::map<float,string> points; // map: label-pos in dBFS, label-text
 
                switch (*i) {
                case DataType::AUDIO:
                        layout->set_attributes (audio_font_attributes);
                        switch (type) {
+                               case MeterK12:
+                                       overlay_midi = 0;
+                                       points.insert (std::pair<float,string>(-52.0f, "-40"));
+                                       points.insert (std::pair<float,string>(-42.0f, "-30"));
+                                       points.insert (std::pair<float,string>(-32.0f, "-20"));
+                                       points.insert (std::pair<float,string>(-22.0f, "-10"));
+                                       points.insert (std::pair<float,string>(-18.0f,  "-6"));
+                                       points.insert (std::pair<float,string>(-15.0f,  "-3"));
+                                       points.insert (std::pair<float,string>(-12.0f,  " 0"));
+                                       points.insert (std::pair<float,string>( -9.0f,  "+3"));
+                                       points.insert (std::pair<float,string>( -6.0f,  "+6"));
+                                       points.insert (std::pair<float,string>( -3.0f,  "+9"));
+                                       points.insert (std::pair<float,string>(  0.0f, "+12"));
+                                       break;
                                case MeterK14:
+                                       overlay_midi = 0;
                                        points.insert (std::pair<float,string>(-54.0f, "-40"));
                                        points.insert (std::pair<float,string>(-44.0f, "-30"));
                                        points.insert (std::pair<float,string>(-34.0f, "-20"));
                                        points.insert (std::pair<float,string>(-24.0f, "-10"));
                                        points.insert (std::pair<float,string>(-20.0f,  "-6"));
                                        points.insert (std::pair<float,string>(-17.0f,  "-3"));
-                                       points.insert (std::pair<float,string>(-14.0f,   "0"));
+                                       points.insert (std::pair<float,string>(-14.0f,  0"));
                                        points.insert (std::pair<float,string>(-11.0f,  "+3"));
                                        points.insert (std::pair<float,string>( -8.0f,  "+6"));
                                        points.insert (std::pair<float,string>( -4.0f, "+10"));
                                        points.insert (std::pair<float,string>(  0.0f, "+14"));
                                        break;
                                case MeterK20:
+                                       overlay_midi = 0;
                                        points.insert (std::pair<float,string>(-60.0f, "-40"));
                                        points.insert (std::pair<float,string>(-50.0f, "-30"));
                                        points.insert (std::pair<float,string>(-40.0f, "-20"));
                                        points.insert (std::pair<float,string>(-30.0f, "-10"));
                                        points.insert (std::pair<float,string>(-26.0f,  "-6"));
                                        points.insert (std::pair<float,string>(-23.0f,  "-3"));
-                                       points.insert (std::pair<float,string>(-20.0f,   "0"));
+                                       points.insert (std::pair<float,string>(-20.0f,  0"));
                                        points.insert (std::pair<float,string>(-17.0f,  "+3"));
                                        points.insert (std::pair<float,string>(-14.0f,  "+6"));
                                        points.insert (std::pair<float,string>(-10.0f, "+10"));
@@ -590,6 +741,7 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                        break;
 
                                case MeterIEC2EBU:
+                                       overlay_midi = 3;
                                        points.insert (std::pair<float,string>(-30.0f, "-12"));
                                        points.insert (std::pair<float,string>(-26.0f, "-8"));
                                        points.insert (std::pair<float,string>(-22.0f, "-4"));
@@ -600,6 +752,7 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                        break;
 
                                case MeterIEC2BBC:
+                                       overlay_midi = 3;
                                        points.insert (std::pair<float,string>(-30.0f, " 1 "));
                                        points.insert (std::pair<float,string>(-26.0f, " 2 "));
                                        points.insert (std::pair<float,string>(-22.0f, " 3 "));
@@ -610,45 +763,48 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                        break;
 
                                case MeterIEC1NOR:
+                                       overlay_midi = 0;
                                        //points.insert (std::pair<float,string>(-60.0f, "-42"));
                                        points.insert (std::pair<float,string>(-54.0f, "-36"));
                                        points.insert (std::pair<float,string>(-48.0f, "-30"));
                                        points.insert (std::pair<float,string>(-42.0f, "-24"));
                                        points.insert (std::pair<float,string>(-36.0f, "-18"));
 
-                                       points.insert (std::pair<float,string>(-33.0f, "-15"));
+                                       //points.insert (std::pair<float,string>(-33.0f, "-15"));
                                        points.insert (std::pair<float,string>(-30.0f, "-12"));
-                                       points.insert (std::pair<float,string>(-27.0f, "-9"));
+                                       //points.insert (std::pair<float,string>(-27.0f, "-9"));
                                        points.insert (std::pair<float,string>(-24.0f, "-6"));
-                                       points.insert (std::pair<float,string>(-21.0f, "-3"));
+                                       //points.insert (std::pair<float,string>(-21.0f, "-3"));
 
                                        points.insert (std::pair<float,string>(-18.0f, "TST"));
-                                       points.insert (std::pair<float,string>(-15.0f, "+3"));
+                                       //points.insert (std::pair<float,string>(-15.0f, "+3"));
                                        points.insert (std::pair<float,string>(-12.0f, "+6"));
                                        points.insert (std::pair<float,string>( -9.0f, "+9"));
-                                       points.insert (std::pair<float,string>( -6.0f, "+12"));
+                                       //points.insert (std::pair<float,string>( -6.0f, "+12"));
                                        break;
 
                                case MeterIEC1DIN:
+                                       overlay_midi = 2;
                                        //points.insert (std::pair<float,string>( -3.0f, "200%"));
-                                       points.insert (std::pair<float,string>( -4.0f, "+5")); // "100%"
-                                       points.insert (std::pair<float,string>( -9.0f, "0"));
+                                       points.insert (std::pair<float,string>( -4.0f, "+5"));
+                                       points.insert (std::pair<float,string>( -9.0f, "0")); // "100%";
                                        points.insert (std::pair<float,string>(-14.0f, "-5"));
                                        //points.insert (std::pair<float,string>(-15.0f, "50%"));
                                        //points.insert (std::pair<float,string>(-18.0f, "-9"));
                                        points.insert (std::pair<float,string>(-19.0f, "-10")); // "30%"
                                        points.insert (std::pair<float,string>(-29.0f, "-20")); // "10%"
-                                       //points.insert (std::pair<float,string>(-35.0f, "-20")); // "5%"
-                                       points.insert (std::pair<float,string>(-39.0f, "-30")); // "3%"
+                                       //points.insert (std::pair<float,string>(-35.0f, "5%")); // "5%"
+                                       points.insert (std::pair<float,string>(-39.0f, "-30"));
                                        //points.insert (std::pair<float,string>(-49.0f, "1%"));
                                        points.insert (std::pair<float,string>(-59.0f, "-50"));
                                        break;
 
                                case MeterVU:
+                                       overlay_midi = 0;
                                        points.insert (std::pair<float,string>(-17.0f, "+3"));
                                        points.insert (std::pair<float,string>(-18.0f, "+2"));
                                        points.insert (std::pair<float,string>(-19.0f, "+1"));
-                                       points.insert (std::pair<float,string>(-20.0f, "0"));
+                                       points.insert (std::pair<float,string>(-20.0f, " 0"));
                                        points.insert (std::pair<float,string>(-21.0f, "-1"));
                                        points.insert (std::pair<float,string>(-22.0f, "-2"));
                                        points.insert (std::pair<float,string>(-23.0f, "-3"));
@@ -661,8 +817,8 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                        break;
                case DataType::MIDI:
                        layout->set_attributes (midi_font_attributes);
-                       points.insert (std::pair<float,string>(  0, "0"));
                        if (types.size() == 1) {
+                               points.insert (std::pair<float,string>(  0, "0"));
                                points.insert (std::pair<float,string>( 16,  "16"));
                                points.insert (std::pair<float,string>( 32,  "32"));
                                points.insert (std::pair<float,string>( 48,  "48"));
@@ -672,16 +828,40 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                points.insert (std::pair<float,string>(100, "100"));
                                points.insert (std::pair<float,string>(112, "112"));
                        } else {
-                               /* labels that don't overlay with dB */
-                               points.insert (std::pair<float,string>( 24, "24"));
-                               points.insert (std::pair<float,string>( 48, "48"));
-                               points.insert (std::pair<float,string>( 72, "74"));
+                               switch (overlay_midi) {
+                                       case 1:
+                                               /* labels that don't overlay with dBFS */
+                                               points.insert (std::pair<float,string>(  0, "0"));
+                                               points.insert (std::pair<float,string>( 24, "24"));
+                                               points.insert (std::pair<float,string>( 48, "48"));
+                                               points.insert (std::pair<float,string>( 72, "72"));
+                                               points.insert (std::pair<float,string>(127, "127"));
+                                               break;
+                                       case 2:
+                                               /* labels that don't overlay with DIN */
+                                               points.insert (std::pair<float,string>(  0, "0"));
+                                               points.insert (std::pair<float,string>( 16,  "16"));
+                                               points.insert (std::pair<float,string>( 40,  "40"));
+                                               points.insert (std::pair<float,string>( 64,  "64"));
+                                               points.insert (std::pair<float,string>(112, "112"));
+                                               points.insert (std::pair<float,string>(127, "127"));
+                                               break;
+                                       case 3:
+                                               /* labels that don't overlay with BBC nor EBU*/
+                                               points.insert (std::pair<float,string>(  0, "0"));
+                                               points.insert (std::pair<float,string>( 16, "16"));
+                                               points.insert (std::pair<float,string>( 56, "56"));
+                                               points.insert (std::pair<float,string>( 72, "72"));
+                                               points.insert (std::pair<float,string>(112, "112"));
+                                               points.insert (std::pair<float,string>(127, "127"));
+                                       default:
+                                               break;
+                               }
                        }
-                       points.insert (std::pair<float,string>(127, "127"));
                        break;
                }
 
-               gint pos;
+               gint pos = -1;
 
                for (std::map<float,string>::const_iterator j = points.begin(); j != points.end(); ++j) {
                        float fraction = 0;
@@ -706,8 +886,9 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                case DataType::MIDI:
                                        align_center = false; // don't bleed into legend
                                        fraction = (j->first) / 127.0;
-                                       pos = 1 + height - (gint) rintf (height * fraction);
+                                       pos = 1 + height - (gint) lrintf (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);
@@ -718,6 +899,8 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                        break;
                        }
 
+                       if (pos < 0) continue;
+
                        layout->set_text(j->second.c_str());
 
                        int tw, th;
@@ -732,12 +915,26 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                        } else {
                                cairo_move_to (cr, width-3-tw, p);
                        }
+
+                       cairo_set_line_width(cr, 0.12);
+                       cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0);
+                       pango_cairo_layout_path(cr, layout->gobj());
+                       cairo_stroke_preserve (cr);
+                       cairo_set_line_width(cr, 1.0);
+
+                       if ((*i) == DataType::AUDIO) {
+                               mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
+                       } else {
+                               cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
+                       }
+
                        pango_cairo_show_layout (cr, layout->gobj());
+                       cairo_new_path(cr);
                }
        }
 
        // add legend
-       if (types.size() == 1) {
+       if (types.size() == 1 || overlay_midi == 0) {
                int tw, th;
                layout->set_attributes (unit_font_attributes);
                switch (types.at(0)) {
@@ -749,6 +946,9 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                        case MeterK14:
                                                layout->set_text("K14");
                                                break;
+                                       case MeterK12:
+                                               layout->set_text("K12");
+                                               break;
                                        default:
                                        case MeterPeak:
                                        case MeterKrms:
@@ -777,7 +977,9 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
                                layout->get_pixel_size(tw, th);
                                break;
                }
-               Gdk::Color c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
+               if (!background) {
+                       c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
+               }
                cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
                if (tickleft) {
                        cairo_move_to (cr, width - 2 - tw, height - th - 0.5);
@@ -809,7 +1011,7 @@ ArdourMeter::meter_expose_ticks (GdkEventExpose *ev, MeterType type, std::vector
        cairo_clip (cr);
 
        cairo_pattern_t* pattern;
-       const MeterMatricsMapKey key (mta->get_name(), type);
+       const MeterMatricsMapKey key (mta->get_name(), type, types_to_bit(types));
        MetricPatternMap::iterator i = ticks_patterns.find (key);
 
        if (i == ticks_patterns.end()) {
@@ -847,7 +1049,7 @@ ArdourMeter::meter_expose_metrics (GdkEventExpose *ev, MeterType type, std::vect
        cairo_clip (cr);
 
        cairo_pattern_t* pattern;
-       const MeterMatricsMapKey key (mma->get_name(), type);
+       const MeterMatricsMapKey key (mma->get_name(), type, types_to_bit(types));
        MetricPatternMap::iterator i = metric_patterns.find (key);
 
        if (i == metric_patterns.end()) {