X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fmeter_patterns.cc;h=97b04b9ce583cf83a26347bc53bffbb681c7ac28;hb=cb956e3e480716a3efd280a5287bdd7bee1cedc5;hp=756cdcccbd8a7094f603438d638f7b9559d3e6b4;hpb=ca21170790fe8006baa1c15ff592a871656534ff;p=ardour.git

diff --git a/gtk2_ardour/meter_patterns.cc b/gtk2_ardour/meter_patterns.cc
index 756cdcccbd..97b04b9ce5 100644
--- a/gtk2_ardour/meter_patterns.cc
+++ b/gtk2_ardour/meter_patterns.cc
@@ -17,20 +17,24 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#include <gtkmm/drawingarea.h>
+
 #include <gtkmm2ext/cairo_widget.h>
 #include <gtkmm2ext/gtk_ui.h>
 #include <gtkmm2ext/utils.h>
 #include <gtkmm2ext/rgb_macros.h>
 
+#include "ardour/logmeter.h"
 #include <ardour/rc_configuration.h>
-#include "ardour_ui.h"
+
 #include "utils.h"
-#include "logmeter.h"
 #include "meter_patterns.h"
+#include "ui_config.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
+using namespace ARDOUR_UI_UTILS;
 using namespace PBD;
 using namespace Gtk;
 using namespace Gtkmm2ext;
@@ -52,15 +56,17 @@ 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 {
@@ -76,7 +82,10 @@ ArdourMeter::meter_type_string (ARDOUR::MeterType mt)
 {
 	switch (mt) {
 		case MeterPeak:
-			return _("Peak");
+			return _("Peak (+6dBFS)");
+			break;
+		case MeterPeak0dB:
+			return _("Peak (0dBFS)");
 			break;
 		case MeterKrms:
 			return _("RMS + Peak");
@@ -94,20 +103,32 @@ ArdourMeter::meter_type_string (ARDOUR::MeterType mt)
 			return _("IEC2/EBU");
 			break;
 		case MeterK20:
-			return _("K20");
+			return _("K20/RMS");
 			break;
 		case MeterK14:
-			return _("K14");
+			return _("K14/RMS");
+			break;
+		case MeterK12:
+			return _("K12/RMS");
 			break;
 		case MeterVU:
 			return _("VU");
 			break;
 		default:
+			assert(0);
 			return _("???");
 			break;
 	}
 }
 
+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)
 {
@@ -127,13 +148,9 @@ static inline float mtr_col_and_fract(
 				cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
 			}
 			break;
-		case MeterIEC2BBC:
-			fraction = meter_deflect_ppm(val);
-			cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
-			break;
-		case MeterIEC2EBU:
-			fraction = meter_deflect_ppm(val);
-			if (val >= -10.0) {
+		case MeterPeak0dB:
+			fraction = log_meter0dB (val);
+			if (val >= 0 || val == -9) {
 				cairo_set_source_rgb (cr,
 						UINT_RGBA_R_FLT(peakcolor),
 						UINT_RGBA_G_FLT(peakcolor),
@@ -142,9 +159,15 @@ static inline float mtr_col_and_fract(
 				cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
 			}
 			break;
+		case MeterIEC2BBC:
+		case MeterIEC2EBU:
+			fraction = meter_deflect_ppm(val);
+			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),
@@ -152,10 +175,13 @@ 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),
@@ -195,41 +221,75 @@ 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 set_bg_color(Gtk::Widget& w, cairo_t* cr, MeterType type) {
+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) {
+	double r,g,b,a;
 	switch(type) {
 		case MeterVU:
-			cairo_set_source_rgb (cr, 1.0, 1.0, 0.85);
+			Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip vu bg"), r, g, b, a);
 			break;
 		case MeterIEC1DIN:
 		case MeterIEC1NOR:
 		case MeterIEC2BBC:
 		case MeterIEC2EBU:
+			Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip ppm bg"), r, g, b, a);
+			break;
+		case MeterK12:
 		case MeterK14:
 		case MeterK20:
-			cairo_set_source_rgb (cr, 0.1, 0.1, 0.1);
+			Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip dpm bg"), r, g, b, a);
 			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());
+			r = c.get_red_p();
+			g = c.get_green_p();
+			b = c.get_blue_p();
 			}
 			break;
 	}
+	cairo_set_source_rgb (cr, r, g, b);
 }
 
-static void set_fg_color(MeterType type, Gdk::Color * c) {
+static void set_fg_color(Gtk::Widget&, MeterType type, Gdk::Color * c) {
+	double r,g,b,a;
 	switch(type) {
 		case MeterVU:
-			c->set_rgb_p(0.0, 0.0, 0.0);
+			Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip vu fg"), r, g, b, a);
+			break;
+		case MeterIEC1DIN:
+		case MeterIEC1NOR:
+		case MeterIEC2BBC:
+		case MeterIEC2EBU:
+			Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip ppm fg"), r, g, b, a);
 			break;
 		default:
-			c->set_rgb_p(1.0, 1.0, 1.0);
+			Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip dpm fg"), r, g, b, a);
 			break;
 	}
+	c->set_rgb_p (r, g, b);
 }
 
 static cairo_pattern_t*
@@ -238,11 +298,36 @@ 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;
+#define PX_SCALE(pxmin, dflt) rint(std::max((double)pxmin, (double)dflt * UIConfiguration::instance().get_ui_scale()))
+	if (tickleft) {
+		if (w.get_name().substr(0, 3) == "Bar") {
+			box_w = PX_SCALE(2, 2);
+			box_l = width - box_w;
+		} else if (w.get_name().substr(0, 4) == "Mark") {
+			box_w = PX_SCALE(2, 2);
+			box_l = width - box_w;
+			background = false;
+		}
+	} else if (tickright) {
+		if (w.get_name().substr(0, 3) == "Bar") {
+			box_l = 0; box_w = PX_SCALE(2, 2);
+		} else if (w.get_name().substr(0, 4) == "Mark") {
+			box_l = 0; box_w = PX_SCALE(2, 2);
+			background = false;
+		}
+	} else {
+		box_l = 0; box_w = width;
+	}
+#undef PX_SCALE
 
 	cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
 	cairo_t* cr = cairo_create (surface);
@@ -261,7 +346,7 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
 	cairo_fill (cr);
 
 	height = min(max_pattern_metric_size, height);
-	uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
+	uint32_t peakcolor = UIConfiguration::instance().color ("meterbridge peaklabel");
 
 	for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
 
@@ -270,12 +355,10 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
 			/* we're overlaying more than 1 set of marks, so use different colours */
 			c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
 		} else if (background) {
-			set_fg_color(type, &c);
-			cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
+			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
 		std::map<float,float> points;
@@ -284,6 +367,20 @@ 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));
@@ -291,10 +388,11 @@ 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:
@@ -304,12 +402,13 @@ 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));
@@ -323,7 +422,7 @@ 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;
@@ -347,52 +446,82 @@ 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:
+					points.insert (std::pair<float,float>(  0, 1.0));
+					points.insert (std::pair<float,float>(  1, 0.5));
+					points.insert (std::pair<float,float>(  2, 0.5));
+					points.insert (std::pair<float,float>(  3, 1.0));
+					points.insert (std::pair<float,float>(  4, 0.5));
+					points.insert (std::pair<float,float>(  5, 0.5));
+					// no break
+				case MeterPeak0dB:
 					points.insert (std::pair<float,float>(-60, 0.5));
 					points.insert (std::pair<float,float>(-50, 1.0));
 					points.insert (std::pair<float,float>(-40, 1.0));
 					points.insert (std::pair<float,float>(-30, 1.0));
-					if (Config->get_meter_line_up_level() == MeteringLineUp24) {
+					if (UIConfiguration::instance().get_meter_line_up_level() == MeteringLineUp24) {
 						points.insert (std::pair<float,float>(-24, 1.0));
 					} else {
 						points.insert (std::pair<float,float>(-25, 1.0));
@@ -420,13 +549,6 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
 					points.insert (std::pair<float,float>( -3, 1.0));
 					points.insert (std::pair<float,float>( -2, 0.5));
 					points.insert (std::pair<float,float>( -1, 0.5));
-
-					points.insert (std::pair<float,float>(  0, 1.0));
-					points.insert (std::pair<float,float>(  1, 0.5));
-					points.insert (std::pair<float,float>(  2, 0.5));
-					points.insert (std::pair<float,float>(  3, 1.0));
-					points.insert (std::pair<float,float>(  4, 0.5));
-					points.insert (std::pair<float,float>(  5, 0.5));
 					break;
 			}
 			break;
@@ -458,14 +580,15 @@ meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> typ
 				pos = height - (gint) floor (height * fraction);
 				pos = max (pos, 1);
 				cairo_move_to(cr, 0, pos + .5);
-				cairo_line_to(cr, 3, pos + .5);
+				cairo_line_to(cr, width, pos + .5);
 				cairo_stroke (cr);
 				break;
 			case DataType::MIDI:
 				fraction = (j->first) / 127.0;
 				pos = 1 + height - (gint) floor (height * fraction);
 				pos = min (pos, height);
-				cairo_arc(cr, 1.5, pos + .5, 1.0, 0, 2 * M_PI);
+				cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
+				cairo_arc(cr, width * .5, pos + .5, 1.0, 0, 2 * M_PI);
 				cairo_fill(cr);
 				break;
 			}
@@ -487,6 +610,7 @@ 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);
 
@@ -498,8 +622,14 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 		tickright = true;
 	}
 
+#ifdef NO_OVERSAMPLE
 	cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
 	cairo_t* cr = cairo_create (surface);
+#else
+	cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width*2, height*2);
+	cairo_t* cr = cairo_create (surface);
+	cairo_scale(cr, 2.0, 2.0);
+#endif
 	Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
 
 	Pango::AttrList audio_font_attributes;
@@ -509,23 +639,28 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 	Pango::AttrFontDesc* font_attr;
 	Pango::FontDescription font;
 
-	font = Pango::FontDescription ("ArdourMono");
-	double fixfontsize = 81920.0 / (double) ARDOUR::Config->get_font_scale();
+	font = Pango::FontDescription (UIConfiguration::instance().get_SmallMonospaceFont());
+#ifdef __APPLE__
+	const double fixfontsize = 1.0;
+#else
+	// counter-act global font-scaling.
+	const double fixfontsize = std::min(1.0, 0.9 / sqrtf(UIConfiguration::instance().get_ui_scale()));
+#endif
 
 	font.set_weight (Pango::WEIGHT_NORMAL);
-	font.set_size (9.0 * PANGO_SCALE * fixfontsize);
+	font.set_size (8.0 * fixfontsize * PANGO_SCALE);
 	font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
 	audio_font_attributes.change (*font_attr);
 	delete font_attr;
 
 	font.set_weight (Pango::WEIGHT_ULTRALIGHT);
 	font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
-	font.set_size (8.0 * PANGO_SCALE * fixfontsize);
+	font.set_size (7.0 * fixfontsize * PANGO_SCALE);
 	font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
 	midi_font_attributes.change (*font_attr);
 	delete font_attr;
 
-	font.set_size (6.0 * PANGO_SCALE * fixfontsize);
+	font.set_size (6.0 * fixfontsize * PANGO_SCALE);
 	font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
 	unit_font_attributes.change (*font_attr);
 	delete font_attr;
@@ -545,51 +680,70 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 	cairo_set_line_width (cr, 1.0);
 
 	height = min(max_pattern_metric_size, height);
-	uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
-	Gdk::Color c;
+	uint32_t peakcolor = UIConfiguration::instance().color ("meterbridge peaklabel");
+	Gdk::Color c; // default text color
 
 	for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
 
+		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 */
 			c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
 		} else if (background) {
-			set_fg_color(type, &c);
-			cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
+			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);
+			if (type == MeterPeak0dB) {
+				overlay_midi = 4;
+			}
 			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"));
@@ -599,12 +753,15 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 				default:
 				case MeterPeak:
 				case MeterKrms:
+					points.insert (std::pair<float,string>(  3.0f, "+3"));
+					// no break
+				case MeterPeak0dB:
 					points.insert (std::pair<float,string>(-50.0f, "-50"));
 					points.insert (std::pair<float,string>(-40.0f, "-40"));
 					points.insert (std::pair<float,string>(-30.0f, "-30"));
 					points.insert (std::pair<float,string>(-20.0f, "-20"));
 					if (types.size() == 1) {
-						if (Config->get_meter_line_up_level() == MeteringLineUp24) {
+						if (UIConfiguration::instance().get_meter_line_up_level() == MeteringLineUp24) {
 							points.insert (std::pair<float,string>(-24.0f, "-24"));
 						} else {
 							points.insert (std::pair<float,string>(-25.0f, "-25"));
@@ -616,10 +773,10 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 					points.insert (std::pair<float,string>( -5.0f, "-5"));
 					points.insert (std::pair<float,string>( -3.0f, "-3"));
 					points.insert (std::pair<float,string>(  0.0f, "+0"));
-					points.insert (std::pair<float,string>(  3.0f, "+3"));
 					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"));
@@ -630,6 +787,7 @@ 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 "));
@@ -640,45 +798,48 @@ 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"));
@@ -691,8 +852,8 @@ 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"));
@@ -701,17 +862,49 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 				points.insert (std::pair<float,string>( 96,  "96"));
 				points.insert (std::pair<float,string>(100, "100"));
 				points.insert (std::pair<float,string>(112, "112"));
+				points.insert (std::pair<float,string>(127, "127"));
 			} 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"));
+					case 4:
+						/* labels that don't overlay with 0dBFS*/
+						points.insert (std::pair<float,string>(  0, "0"));
+						points.insert (std::pair<float,string>( 16, "16"));
+						points.insert (std::pair<float,string>( 48, "48"));
+						points.insert (std::pair<float,string>( 84, "84"));
+						points.insert (std::pair<float,string>(100, "100"));
+					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;
@@ -732,22 +925,16 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 						cairo_stroke (cr);
 					}
 					break;
-
 				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);
-					if (tickleft) {
-						cairo_arc(cr, width - 2.0, pos + .5, 1.0, 0, 2 * M_PI);
-						cairo_fill(cr);
-					} else if (tickright) {
-						cairo_arc(cr, 3, pos + .5, 1.0, 0, 2 * M_PI);
-						cairo_fill(cr);
-					}
 					break;
 			}
 
+			if (pos < 0) continue;
+
 			layout->set_text(j->second.c_str());
 
 			int tw, th;
@@ -762,12 +949,26 @@ 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)) {
@@ -779,8 +980,12 @@ 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 MeterPeak0dB:
 					case MeterKrms:
 						layout->set_text("dBFS");
 						break;
@@ -806,6 +1011,11 @@ meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
 				layout->set_text("mid");
 				layout->get_pixel_size(tw, th);
 				break;
+			default: // DataType::NIL;
+				layout->set_text("");
+				tw = th = 0;
+				assert (0); // not reached
+				break;
 		}
 		if (!background) {
 			c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
@@ -841,7 +1051,7 @@ 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()) {
@@ -879,7 +1089,7 @@ 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()) {
@@ -890,12 +1100,19 @@ ArdourMeter::meter_expose_metrics (GdkEventExpose *ev, MeterType type, std::vect
 	}
 
 	cairo_move_to (cr, 0, 0);
-	cairo_set_source (cr, pattern);
 
 	gint width, height;
 	win->get_size (width, height);
-
+#ifdef NO_OVERSAMPLE
+	cairo_set_source (cr, pattern);
 	cairo_rectangle (cr, 0, 0, width, height);
+#else
+	cairo_scale(cr, 0.5, 0.5);
+	cairo_set_antialias(cr, CAIRO_ANTIALIAS_BEST);
+	cairo_set_source (cr, pattern);
+	cairo_rectangle (cr, 0, 0, width * 2., height * 2.);
+#endif
+
 	cairo_fill (cr);
 
 	cairo_destroy (cr);