2 Copyright (C) 2013 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <gtkmm/drawingarea.h>
22 #include <gtkmm2ext/cairo_widget.h>
23 #include <gtkmm2ext/gtk_ui.h>
24 #include <gtkmm2ext/utils.h>
25 #include <gtkmm2ext/rgb_macros.h>
27 #include "ardour/logmeter.h"
28 #include <ardour/rc_configuration.h>
31 #include "meter_patterns.h"
32 #include "ui_config.h"
36 using namespace ARDOUR;
37 using namespace ARDOUR_UI_UTILS;
40 using namespace Gtkmm2ext;
42 using namespace ArdourMeter;
44 static const int max_pattern_metric_size = 1026;
46 /* signals used by meters */
48 sigc::signal<void> ArdourMeter::ResetAllPeakDisplays;
49 sigc::signal<void,ARDOUR::Route*> ArdourMeter::ResetRoutePeakDisplays;
50 sigc::signal<void,ARDOUR::RouteGroup*> ArdourMeter::ResetGroupPeakDisplays;
51 sigc::signal<void> ArdourMeter::RedrawMetrics;
53 sigc::signal<void, int, ARDOUR::RouteGroup*, ARDOUR::MeterType> ArdourMeter::SetMeterTypeMulti;
58 struct MeterMatricsMapKey {
59 MeterMatricsMapKey (std::string n, MeterType t, int dt)
64 inline bool operator<(const MeterMatricsMapKey& rhs) const {
65 return (_n < rhs._n) || (_n == rhs._n && _t < rhs._t) || (_n == rhs._n && _t == rhs._t && _dt < rhs._dt);
72 namespace ArdourMeter {
73 typedef std::map<MeterMatricsMapKey, cairo_pattern_t*> MetricPatternMap;
76 static ArdourMeter::MetricPatternMap ticks_patterns;
77 static ArdourMeter::MetricPatternMap metric_patterns;
81 ArdourMeter::meter_type_string (ARDOUR::MeterType mt)
85 return _("Peak (+6dBFS)");
88 return _("Peak (0dBFS)");
91 return _("RMS + Peak");
97 return _("IEC1/Nordic");
100 return _("IEC2/BBC");
103 return _("IEC2/EBU");
124 static inline int types_to_bit (vector<ARDOUR::DataType> types) {
126 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
132 static inline float mtr_col_and_fract(
133 cairo_t* cr, Gdk::Color const * const c, const uint32_t peakcolor, const MeterType mt, const float val)
141 fraction = log_meter (val);
142 if (val >= 0 || val == -9) {
143 cairo_set_source_rgb (cr,
144 UINT_RGBA_R_FLT(peakcolor),
145 UINT_RGBA_G_FLT(peakcolor),
146 UINT_RGBA_B_FLT(peakcolor));
148 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
152 fraction = log_meter0dB (val);
153 if (val >= 0 || val == -9) {
154 cairo_set_source_rgb (cr,
155 UINT_RGBA_R_FLT(peakcolor),
156 UINT_RGBA_G_FLT(peakcolor),
157 UINT_RGBA_B_FLT(peakcolor));
159 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
164 fraction = meter_deflect_ppm(val);
165 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
168 fraction = meter_deflect_nordic(val);
171 cairo_set_source_rgb (cr,
172 UINT_RGBA_R_FLT(peakcolor),
173 UINT_RGBA_G_FLT(peakcolor),
174 UINT_RGBA_B_FLT(peakcolor));
176 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
179 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
183 fraction = meter_deflect_din(val);
184 if (val == -9.0 || val == -15 || val == -18) {
185 cairo_set_source_rgb (cr,
186 UINT_RGBA_R_FLT(peakcolor),
187 UINT_RGBA_G_FLT(peakcolor),
188 UINT_RGBA_B_FLT(peakcolor));
190 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
194 fraction = meter_deflect_vu(val);
196 cairo_set_source_rgb (cr,
197 UINT_RGBA_R_FLT(peakcolor),
198 UINT_RGBA_G_FLT(peakcolor),
199 UINT_RGBA_B_FLT(peakcolor));
201 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
205 fraction = meter_deflect_k (val, 20);
207 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
208 } else if (val >= -20.0) {
209 cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
211 cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
216 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
217 } else if (val >= -14.0) {
218 cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
220 cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
222 fraction = meter_deflect_k (val, 14);
226 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
227 } else if (val >= -12.0) {
228 cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
230 cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
232 fraction = meter_deflect_k (val, 12);
238 static void mtr_red_stripe(cairo_t* cr, float l, float w, int h, float top, float bot) {
240 int t = h - floorf (h * (top));
241 int b = h - floorf (h * (bot));
242 cairo_set_source_rgba (cr, .75, 0, 0, 0.75);
243 cairo_rectangle (cr, l, t + .5, w, b - t);
247 static void set_bg_color (Gtk::Widget& w, cairo_t* cr, MeterType type) {
251 Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip vu bg"), r, g, b, a);
257 Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip ppm bg"), r, g, b, a);
262 Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip dpm bg"), r, g, b, a);
266 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
273 cairo_set_source_rgb (cr, r, g, b);
276 static void set_fg_color(Gtk::Widget&, MeterType type, Gdk::Color * c) {
280 Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip vu fg"), r, g, b, a);
286 Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip ppm fg"), r, g, b, a);
289 Gtkmm2ext::color_to_rgba (UIConfiguration::instance().color ("meterstrip dpm fg"), r, g, b, a);
292 c->set_rgb_p (r, g, b);
295 static cairo_pattern_t*
296 meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> types)
298 Glib::RefPtr<Gdk::Window> win (w.get_window());
301 bool tickleft, tickright;
303 win->get_size (width, height);
304 tickleft = w.get_name().substr(w.get_name().length() - 4) == "Left";
305 tickright = w.get_name().substr(w.get_name().length() - 5) == "Right";
306 background = types.size() == 0 || tickleft || tickright;
310 #define PX_SCALE(pxmin, dflt) rint(std::max((double)pxmin, (double)dflt * UIConfiguration::instance().get_ui_scale()))
312 if (w.get_name().substr(0, 3) == "Bar") {
313 box_w = PX_SCALE(2, 2);
314 box_l = width - box_w;
315 } else if (w.get_name().substr(0, 4) == "Mark") {
316 box_w = PX_SCALE(2, 2);
317 box_l = width - box_w;
320 } else if (tickright) {
321 if (w.get_name().substr(0, 3) == "Bar") {
322 box_l = 0; box_w = PX_SCALE(2, 2);
323 } else if (w.get_name().substr(0, 4) == "Mark") {
324 box_l = 0; box_w = PX_SCALE(2, 2);
328 box_l = 0; box_w = width;
332 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
333 cairo_t* cr = cairo_create (surface);
335 cairo_move_to (cr, 0, 0);
336 cairo_rectangle (cr, 0, 0, width, height);
340 set_bg_color(w, cr, type);
343 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
344 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
348 height = min(max_pattern_metric_size, height);
349 uint32_t peakcolor = UIConfiguration::instance().color ("meterbridge peaklabel");
351 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
354 if (types.size() > 1 && (*i) == DataType::MIDI) {
355 /* we're overlaying more than 1 set of marks, so use different colours */
356 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
357 } else if (background) {
358 set_fg_color(w, type, &c);
360 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
363 // tick-maker position in dBFS, line-thickness
364 std::map<float,float> points;
367 case DataType::AUDIO:
371 points.insert (std::pair<float,float>(-52.0f, 1.0));
372 points.insert (std::pair<float,float>(-42.0f, 1.0));
373 points.insert (std::pair<float,float>(-32.0f, 1.0));
374 points.insert (std::pair<float,float>(-22.0f, 1.0));
375 points.insert (std::pair<float,float>(-18.0f, 1.0));
376 points.insert (std::pair<float,float>(-15.0f, 1.0));
377 points.insert (std::pair<float,float>(-12.0f, 1.0));
378 points.insert (std::pair<float,float>( -9.0f, 1.0));
379 points.insert (std::pair<float,float>( -8.0f, 0.8));
380 points.insert (std::pair<float,float>( -6.0f, 1.0));
381 points.insert (std::pair<float,float>( -3.0f, 1.0));
382 points.insert (std::pair<float,float>( 0.0f, 1.0));
385 points.insert (std::pair<float,float>(-54.0f, 1.0));
386 points.insert (std::pair<float,float>(-44.0f, 1.0));
387 points.insert (std::pair<float,float>(-34.0f, 1.0));
388 points.insert (std::pair<float,float>(-24.0f, 1.0));
389 points.insert (std::pair<float,float>(-20.0f, 1.0));
390 points.insert (std::pair<float,float>(-17.0f, 1.0));
391 points.insert (std::pair<float,float>(-14.0f, 1.0)); // 0
392 points.insert (std::pair<float,float>(-11.0f, 1.0)); // +3
393 points.insert (std::pair<float,float>(-10.0f, 0.8)); // +4
394 points.insert (std::pair<float,float>( -8.0f, 1.0)); // +6
395 points.insert (std::pair<float,float>( -4.0f, 1.0)); // +10
396 points.insert (std::pair<float,float>( 0.0f, 1.0));
399 points.insert (std::pair<float,float>(-60.0f, 1.0));
400 points.insert (std::pair<float,float>(-50.0f, 1.0));
401 points.insert (std::pair<float,float>(-40.0f, 1.0));
402 points.insert (std::pair<float,float>(-30.0f, 1.0));
403 points.insert (std::pair<float,float>(-26.0f, 1.0));
404 points.insert (std::pair<float,float>(-23.0f, 1.0));
405 points.insert (std::pair<float,float>(-20.0f, 1.0)); // 0
406 points.insert (std::pair<float,float>(-17.0f, 1.0));
407 points.insert (std::pair<float,float>(-16.0f, 0.8));
408 points.insert (std::pair<float,float>(-14.0f, 1.0)); // +6
409 points.insert (std::pair<float,float>(-10.0f, 1.0));
410 points.insert (std::pair<float,float>( -5.0f, 1.0));
411 points.insert (std::pair<float,float>( 0.0f, 1.0)); //+20
414 points.insert (std::pair<float,float>(-30.0f, 1.0));
415 points.insert (std::pair<float,float>(-28.0f, 0.5));
416 points.insert (std::pair<float,float>(-26.0f, 1.0));
417 points.insert (std::pair<float,float>(-24.0f, 0.5));
418 points.insert (std::pair<float,float>(-22.0f, 1.0));
419 points.insert (std::pair<float,float>(-20.0f, 0.5));
420 points.insert (std::pair<float,float>(-18.0f, 1.0));
421 points.insert (std::pair<float,float>(-16.0f, 0.5));
422 points.insert (std::pair<float,float>(-14.0f, 1.0));
423 points.insert (std::pair<float,float>(-12.0f, 0.5));
424 points.insert (std::pair<float,float>(-10.0f, 1.0));
425 points.insert (std::pair<float,float>( -9.0f, 0.8));
426 points.insert (std::pair<float,float>( -8.0f, 0.5));
427 points.insert (std::pair<float,float>( -6.0f, 1.0));
430 points.insert (std::pair<float,float>(-30.0f, 1.0));
431 points.insert (std::pair<float,float>(-26.0f, 1.0));
432 points.insert (std::pair<float,float>(-22.0f, 1.0));
433 points.insert (std::pair<float,float>(-18.0f, 1.0));
434 points.insert (std::pair<float,float>(-14.0f, 1.0));
435 points.insert (std::pair<float,float>(-10.0f, 1.0));
436 points.insert (std::pair<float,float>( -6.0f, 1.0));
439 points.insert (std::pair<float,float>(-60.0f, 1.0)); // -42
440 points.insert (std::pair<float,float>(-57.0f, 0.5));
441 points.insert (std::pair<float,float>(-54.0f, 1.0));
442 points.insert (std::pair<float,float>(-51.0f, 0.5));
443 points.insert (std::pair<float,float>(-48.0f, 1.0));
444 points.insert (std::pair<float,float>(-45.0f, 0.5));
445 points.insert (std::pair<float,float>(-42.0f, 1.0));
446 points.insert (std::pair<float,float>(-39.0f, 0.5));
447 points.insert (std::pair<float,float>(-36.0f, 1.0));
449 points.insert (std::pair<float,float>(-33.0f, 0.5));
450 points.insert (std::pair<float,float>(-30.0f, 1.0));
451 points.insert (std::pair<float,float>(-27.0f, 0.5));
452 points.insert (std::pair<float,float>(-24.0f, 1.0));
453 points.insert (std::pair<float,float>(-21.0f, 0.5));
455 points.insert (std::pair<float,float>(-18.0f, 1.0));
456 points.insert (std::pair<float,float>(-15.0f, 0.5));
457 points.insert (std::pair<float,float>(-12.0f, 1.0));
458 points.insert (std::pair<float,float>( -9.0f, 1.0));
459 points.insert (std::pair<float,float>( -6.0f, 0.5));
460 mtr_red_stripe(cr, box_l, box_w, height,
461 meter_deflect_nordic(-6.0f), meter_deflect_nordic(-12.0f));
464 points.insert (std::pair<float,float>( -3.0f, 0.5)); // "200%"
465 points.insert (std::pair<float,float>( -4.0f, 1.0));
466 points.insert (std::pair<float,float>( -5.0f, 0.5));
467 points.insert (std::pair<float,float>( -6.0f, 0.5));
468 points.insert (std::pair<float,float>( -7.0f, 0.5));
469 points.insert (std::pair<float,float>( -8.0f, 0.5));
470 points.insert (std::pair<float,float>( -9.0f, 1.0)); // "100%"
471 points.insert (std::pair<float,float>(-10.0f, 0.5));
472 points.insert (std::pair<float,float>(-11.0f, 0.5));
473 points.insert (std::pair<float,float>(-12.0f, 0.5));
474 points.insert (std::pair<float,float>(-13.0f, 0.5));
475 points.insert (std::pair<float,float>(-14.0f, 1.0));
476 points.insert (std::pair<float,float>(-15.0f, 0.8)); // "50%"
477 points.insert (std::pair<float,float>(-18.0f, 0.8)); // "-9"
478 points.insert (std::pair<float,float>(-19.0f, 1.0));
479 points.insert (std::pair<float,float>(-24.0f, 0.5));
480 points.insert (std::pair<float,float>(-29.0f, 1.0)); // "-20", "10%"
481 points.insert (std::pair<float,float>(-34.0f, 0.5)); // -25
482 //points.insert (std::pair<float,float>(-35.0f, 0.5)); // "5%" " -20"
483 points.insert (std::pair<float,float>(-39.0f, 1.0));
484 points.insert (std::pair<float,float>(-49.0f, 1.0));
485 points.insert (std::pair<float,float>(-54.0f, 0.5));
486 points.insert (std::pair<float,float>(-59.0f, 1.0));
487 mtr_red_stripe(cr, box_l, box_w, height,
488 meter_deflect_din(0.0f), meter_deflect_din(-9.0f));
491 points.insert (std::pair<float,float>(-17.0f, 1.0)); //+3 VU
492 points.insert (std::pair<float,float>(-18.0f, 1.0));
493 points.insert (std::pair<float,float>(-19.0f, 1.0));
494 points.insert (std::pair<float,float>(-19.5f, 0.5));
495 points.insert (std::pair<float,float>(-20.0f, 1.0)); // 0 VU
496 points.insert (std::pair<float,float>(-20.5f, 0.5));
497 points.insert (std::pair<float,float>(-21.0f, 1.0));
498 points.insert (std::pair<float,float>(-22.0f, 1.0));
499 points.insert (std::pair<float,float>(-23.0f, 1.0)); //-3 VU
500 points.insert (std::pair<float,float>(-24.0f, 0.5));
501 points.insert (std::pair<float,float>(-25.0f, 1.0));
502 points.insert (std::pair<float,float>(-26.0f, 0.5));
503 points.insert (std::pair<float,float>(-27.0f, 1.0)); //-7 VU
504 points.insert (std::pair<float,float>(-30.0f, 1.0));
505 points.insert (std::pair<float,float>(-35.0f, 0.5));
506 points.insert (std::pair<float,float>(-40.0f, 1.0));
507 mtr_red_stripe(cr, box_l, box_w, height,
508 meter_deflect_vu(-17.0f), meter_deflect_vu(-20.0f));
512 points.insert (std::pair<float,float>( 0, 1.0));
513 points.insert (std::pair<float,float>( 1, 0.5));
514 points.insert (std::pair<float,float>( 2, 0.5));
515 points.insert (std::pair<float,float>( 3, 1.0));
516 points.insert (std::pair<float,float>( 4, 0.5));
517 points.insert (std::pair<float,float>( 5, 0.5));
520 points.insert (std::pair<float,float>(-60, 0.5));
521 points.insert (std::pair<float,float>(-50, 1.0));
522 points.insert (std::pair<float,float>(-40, 1.0));
523 points.insert (std::pair<float,float>(-30, 1.0));
524 if (UIConfiguration::instance().get_meter_line_up_level() == MeteringLineUp24) {
525 points.insert (std::pair<float,float>(-24, 1.0));
527 points.insert (std::pair<float,float>(-25, 1.0));
529 points.insert (std::pair<float,float>(-20, 1.0));
531 points.insert (std::pair<float,float>(-19, 0.5));
532 points.insert (std::pair<float,float>(-18, 1.0));
533 points.insert (std::pair<float,float>(-17, 0.5));
534 points.insert (std::pair<float,float>(-16, 0.5));
535 points.insert (std::pair<float,float>(-15, 1.0));
537 points.insert (std::pair<float,float>(-14, 0.5));
538 points.insert (std::pair<float,float>(-13, 0.5));
539 points.insert (std::pair<float,float>(-12, 0.5));
540 points.insert (std::pair<float,float>(-11, 0.5));
541 points.insert (std::pair<float,float>(-10, 1.0));
543 points.insert (std::pair<float,float>( -9, 1.0));
544 points.insert (std::pair<float,float>( -8, 0.5));
545 points.insert (std::pair<float,float>( -7, 0.5));
546 points.insert (std::pair<float,float>( -6, 0.5));
547 points.insert (std::pair<float,float>( -5, 1.0));
548 points.insert (std::pair<float,float>( -4, 0.5));
549 points.insert (std::pair<float,float>( -3, 1.0));
550 points.insert (std::pair<float,float>( -2, 0.5));
551 points.insert (std::pair<float,float>( -1, 0.5));
557 points.insert (std::pair<float,float>( 0, 1.0));
558 points.insert (std::pair<float,float>( 16, 0.5));
559 points.insert (std::pair<float,float>( 32, 0.5));
560 points.insert (std::pair<float,float>( 48, 0.5));
561 points.insert (std::pair<float,float>( 64, 1.0));
562 points.insert (std::pair<float,float>( 80, 0.5));
563 points.insert (std::pair<float,float>( 96, 0.5));
564 points.insert (std::pair<float,float>(100, 1.0));
565 points.insert (std::pair<float,float>(112, 0.5));
566 points.insert (std::pair<float,float>(127, 1.0));
570 for (std::map<float,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
571 cairo_set_line_width (cr, (j->second));
577 case DataType::AUDIO:
578 fraction = mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
580 pos = height - (gint) floor (height * fraction);
582 cairo_move_to(cr, 0, pos + .5);
583 cairo_line_to(cr, width, pos + .5);
587 fraction = (j->first) / 127.0;
588 pos = 1 + height - (gint) floor (height * fraction);
589 pos = min (pos, height);
590 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
591 cairo_arc(cr, width * .5, pos + .5, 1.0, 0, 2 * M_PI);
598 cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
601 cairo_surface_destroy (surface);
606 static cairo_pattern_t*
607 meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
609 Glib::RefPtr<Gdk::Window> win (w.get_window());
611 bool tickleft, tickright;
613 int overlay_midi = 1;
615 win->get_size (width, height);
617 tickleft = w.get_name().substr(w.get_name().length() - 4) == "Left";
618 tickright = w.get_name().substr(w.get_name().length() - 5) == "Right";
619 background = types.size() == 0 || tickleft || tickright;
621 if (!tickleft && !tickright) {
626 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
627 cairo_t* cr = cairo_create (surface);
629 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width*2, height*2);
630 cairo_t* cr = cairo_create (surface);
631 cairo_scale(cr, 2.0, 2.0);
633 Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
635 Pango::AttrList audio_font_attributes;
636 Pango::AttrList midi_font_attributes;
637 Pango::AttrList unit_font_attributes;
639 Pango::AttrFontDesc* font_attr;
640 Pango::FontDescription font;
642 font = Pango::FontDescription (UIConfiguration::instance().get_SmallMonospaceFont());
644 const double fixfontsize = 1.0;
646 // counter-act global font-scaling.
647 const double fixfontsize = std::min(1.0, 0.9 / sqrtf(UIConfiguration::instance().get_ui_scale()));
650 font.set_weight (Pango::WEIGHT_NORMAL);
651 font.set_size (8.0 * fixfontsize * PANGO_SCALE);
652 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
653 audio_font_attributes.change (*font_attr);
656 font.set_weight (Pango::WEIGHT_ULTRALIGHT);
657 font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
658 font.set_size (7.0 * fixfontsize * PANGO_SCALE);
659 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
660 midi_font_attributes.change (*font_attr);
663 font.set_size (6.0 * fixfontsize * PANGO_SCALE);
664 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
665 unit_font_attributes.change (*font_attr);
668 cairo_move_to (cr, 0, 0);
669 cairo_rectangle (cr, 0, 0, width, height);
672 set_bg_color(w, cr, type);
675 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
676 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
680 cairo_set_line_width (cr, 1.0);
682 height = min(max_pattern_metric_size, height);
683 uint32_t peakcolor = UIConfiguration::instance().color ("meterbridge peaklabel");
684 Gdk::Color c; // default text color
686 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
688 if (types.size() > 1 && (*i) == DataType::MIDI && overlay_midi == 0) {
692 if (types.size() > 1 && (*i) == DataType::MIDI) {
693 /* we're overlaying more than 1 set of marks, so use different colours */
694 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
695 } else if (background) {
696 set_fg_color(w, type, &c);
698 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
701 std::map<float,string> points; // map: label-pos in dBFS, label-text
704 case DataType::AUDIO:
705 layout->set_attributes (audio_font_attributes);
706 if (type == MeterPeak0dB) {
712 points.insert (std::pair<float,string>(-52.0f, "-40"));
713 points.insert (std::pair<float,string>(-42.0f, "-30"));
714 points.insert (std::pair<float,string>(-32.0f, "-20"));
715 points.insert (std::pair<float,string>(-22.0f, "-10"));
716 points.insert (std::pair<float,string>(-18.0f, "-6"));
717 points.insert (std::pair<float,string>(-15.0f, "-3"));
718 points.insert (std::pair<float,string>(-12.0f, " 0"));
719 points.insert (std::pair<float,string>( -9.0f, "+3"));
720 points.insert (std::pair<float,string>( -6.0f, "+6"));
721 points.insert (std::pair<float,string>( -3.0f, "+9"));
722 points.insert (std::pair<float,string>( 0.0f, "+12"));
726 points.insert (std::pair<float,string>(-54.0f, "-40"));
727 points.insert (std::pair<float,string>(-44.0f, "-30"));
728 points.insert (std::pair<float,string>(-34.0f, "-20"));
729 points.insert (std::pair<float,string>(-24.0f, "-10"));
730 points.insert (std::pair<float,string>(-20.0f, "-6"));
731 points.insert (std::pair<float,string>(-17.0f, "-3"));
732 points.insert (std::pair<float,string>(-14.0f, " 0"));
733 points.insert (std::pair<float,string>(-11.0f, "+3"));
734 points.insert (std::pair<float,string>( -8.0f, "+6"));
735 points.insert (std::pair<float,string>( -4.0f, "+10"));
736 points.insert (std::pair<float,string>( 0.0f, "+14"));
740 points.insert (std::pair<float,string>(-60.0f, "-40"));
741 points.insert (std::pair<float,string>(-50.0f, "-30"));
742 points.insert (std::pair<float,string>(-40.0f, "-20"));
743 points.insert (std::pair<float,string>(-30.0f, "-10"));
744 points.insert (std::pair<float,string>(-26.0f, "-6"));
745 points.insert (std::pair<float,string>(-23.0f, "-3"));
746 points.insert (std::pair<float,string>(-20.0f, " 0"));
747 points.insert (std::pair<float,string>(-17.0f, "+3"));
748 points.insert (std::pair<float,string>(-14.0f, "+6"));
749 points.insert (std::pair<float,string>(-10.0f, "+10"));
750 points.insert (std::pair<float,string>( -5.0f, "+15"));
751 points.insert (std::pair<float,string>( 0.0f, "+20"));
756 points.insert (std::pair<float,string>( 3.0f, "+3"));
759 points.insert (std::pair<float,string>(-50.0f, "-50"));
760 points.insert (std::pair<float,string>(-40.0f, "-40"));
761 points.insert (std::pair<float,string>(-30.0f, "-30"));
762 points.insert (std::pair<float,string>(-20.0f, "-20"));
763 if (types.size() == 1) {
764 if (UIConfiguration::instance().get_meter_line_up_level() == MeteringLineUp24) {
765 points.insert (std::pair<float,string>(-24.0f, "-24"));
767 points.insert (std::pair<float,string>(-25.0f, "-25"));
769 points.insert (std::pair<float,string>(-15.0f, "-15"));
771 points.insert (std::pair<float,string>(-18.0f, "-18"));
772 points.insert (std::pair<float,string>(-10.0f, "-10"));
773 points.insert (std::pair<float,string>( -5.0f, "-5"));
774 points.insert (std::pair<float,string>( -3.0f, "-3"));
775 points.insert (std::pair<float,string>( 0.0f, "+0"));
780 points.insert (std::pair<float,string>(-30.0f, "-12"));
781 points.insert (std::pair<float,string>(-26.0f, "-8"));
782 points.insert (std::pair<float,string>(-22.0f, "-4"));
783 points.insert (std::pair<float,string>(-18.0f, "TST"));
784 points.insert (std::pair<float,string>(-14.0f, "+4"));
785 points.insert (std::pair<float,string>(-10.0f, "+8"));
786 points.insert (std::pair<float,string>( -6.0f, "+12"));
791 points.insert (std::pair<float,string>(-30.0f, " 1 "));
792 points.insert (std::pair<float,string>(-26.0f, " 2 "));
793 points.insert (std::pair<float,string>(-22.0f, " 3 "));
794 points.insert (std::pair<float,string>(-18.0f, " 4 "));
795 points.insert (std::pair<float,string>(-14.0f, " 5 "));
796 points.insert (std::pair<float,string>(-10.0f, " 6 "));
797 points.insert (std::pair<float,string>( -6.0f, " 7 "));
802 //points.insert (std::pair<float,string>(-60.0f, "-42"));
803 points.insert (std::pair<float,string>(-54.0f, "-36"));
804 points.insert (std::pair<float,string>(-48.0f, "-30"));
805 points.insert (std::pair<float,string>(-42.0f, "-24"));
806 points.insert (std::pair<float,string>(-36.0f, "-18"));
808 //points.insert (std::pair<float,string>(-33.0f, "-15"));
809 points.insert (std::pair<float,string>(-30.0f, "-12"));
810 //points.insert (std::pair<float,string>(-27.0f, "-9"));
811 points.insert (std::pair<float,string>(-24.0f, "-6"));
812 //points.insert (std::pair<float,string>(-21.0f, "-3"));
814 points.insert (std::pair<float,string>(-18.0f, "TST"));
815 //points.insert (std::pair<float,string>(-15.0f, "+3"));
816 points.insert (std::pair<float,string>(-12.0f, "+6"));
817 points.insert (std::pair<float,string>( -9.0f, "+9"));
818 //points.insert (std::pair<float,string>( -6.0f, "+12"));
823 //points.insert (std::pair<float,string>( -3.0f, "200%"));
824 points.insert (std::pair<float,string>( -4.0f, "+5"));
825 points.insert (std::pair<float,string>( -9.0f, "0")); // "100%";
826 points.insert (std::pair<float,string>(-14.0f, "-5"));
827 //points.insert (std::pair<float,string>(-15.0f, "50%"));
828 //points.insert (std::pair<float,string>(-18.0f, "-9"));
829 points.insert (std::pair<float,string>(-19.0f, "-10")); // "30%"
830 points.insert (std::pair<float,string>(-29.0f, "-20")); // "10%"
831 //points.insert (std::pair<float,string>(-35.0f, "5%")); // "5%"
832 points.insert (std::pair<float,string>(-39.0f, "-30"));
833 //points.insert (std::pair<float,string>(-49.0f, "1%"));
834 points.insert (std::pair<float,string>(-59.0f, "-50"));
839 points.insert (std::pair<float,string>(-17.0f, "+3"));
840 points.insert (std::pair<float,string>(-18.0f, "+2"));
841 points.insert (std::pair<float,string>(-19.0f, "+1"));
842 points.insert (std::pair<float,string>(-20.0f, " 0"));
843 points.insert (std::pair<float,string>(-21.0f, "-1"));
844 points.insert (std::pair<float,string>(-22.0f, "-2"));
845 points.insert (std::pair<float,string>(-23.0f, "-3"));
846 points.insert (std::pair<float,string>(-25.0f, "-5"));
847 points.insert (std::pair<float,string>(-27.0f, "-7"));
848 points.insert (std::pair<float,string>(-30.0f, "-10"));
849 points.insert (std::pair<float,string>(-40.0f, "-20"));
854 layout->set_attributes (midi_font_attributes);
855 if (types.size() == 1) {
856 points.insert (std::pair<float,string>( 0, "0"));
857 points.insert (std::pair<float,string>( 16, "16"));
858 points.insert (std::pair<float,string>( 32, "32"));
859 points.insert (std::pair<float,string>( 48, "48"));
860 points.insert (std::pair<float,string>( 64, "64"));
861 points.insert (std::pair<float,string>( 80, "80"));
862 points.insert (std::pair<float,string>( 96, "96"));
863 points.insert (std::pair<float,string>(100, "100"));
864 points.insert (std::pair<float,string>(112, "112"));
865 points.insert (std::pair<float,string>(127, "127"));
867 switch (overlay_midi) {
869 /* labels that don't overlay with dBFS */
870 points.insert (std::pair<float,string>( 0, "0"));
871 points.insert (std::pair<float,string>( 24, "24"));
872 points.insert (std::pair<float,string>( 48, "48"));
873 points.insert (std::pair<float,string>( 72, "72"));
874 points.insert (std::pair<float,string>(127, "127"));
877 /* labels that don't overlay with DIN */
878 points.insert (std::pair<float,string>( 0, "0"));
879 points.insert (std::pair<float,string>( 16, "16"));
880 points.insert (std::pair<float,string>( 40, "40"));
881 points.insert (std::pair<float,string>( 64, "64"));
882 points.insert (std::pair<float,string>(112, "112"));
883 points.insert (std::pair<float,string>(127, "127"));
886 /* labels that don't overlay with BBC nor EBU*/
887 points.insert (std::pair<float,string>( 0, "0"));
888 points.insert (std::pair<float,string>( 16, "16"));
889 points.insert (std::pair<float,string>( 56, "56"));
890 points.insert (std::pair<float,string>( 72, "72"));
891 points.insert (std::pair<float,string>(112, "112"));
892 points.insert (std::pair<float,string>(127, "127"));
894 /* labels that don't overlay with 0dBFS*/
895 points.insert (std::pair<float,string>( 0, "0"));
896 points.insert (std::pair<float,string>( 16, "16"));
897 points.insert (std::pair<float,string>( 48, "48"));
898 points.insert (std::pair<float,string>( 84, "84"));
899 points.insert (std::pair<float,string>(100, "100"));
909 for (std::map<float,string>::const_iterator j = points.begin(); j != points.end(); ++j) {
911 bool align_center = background; // this is true for meterbridge meters w/ fixed background
913 case DataType::AUDIO:
914 fraction = mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
916 pos = height - (gint) floor (height * fraction);
919 cairo_move_to(cr, width-1.5, pos + .5);
920 cairo_line_to(cr, width, pos + .5);
922 } else if (tickright) {
923 cairo_move_to(cr, 0, pos + .5);
924 cairo_line_to(cr, 1.5, pos + .5);
929 align_center = false; // don't bleed into legend
930 fraction = (j->first) / 127.0;
931 pos = 1 + height - (gint) lrintf (height * fraction);
932 pos = min (pos, height);
936 if (pos < 0) continue;
938 layout->set_text(j->second.c_str());
941 layout->get_pixel_size(tw, th);
943 int p = pos - (th / 2) - 1;
944 p = min (p, height - th);
948 cairo_move_to (cr, (width-tw)/2.0, p);
950 cairo_move_to (cr, width-3-tw, p);
953 cairo_set_line_width(cr, 0.12);
954 cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0);
955 pango_cairo_layout_path(cr, layout->gobj());
956 cairo_stroke_preserve (cr);
957 cairo_set_line_width(cr, 1.0);
959 if ((*i) == DataType::AUDIO) {
960 mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
962 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
965 pango_cairo_show_layout (cr, layout->gobj());
971 if (types.size() == 1 || overlay_midi == 0) {
973 layout->set_attributes (unit_font_attributes);
974 switch (types.at(0)) {
975 case DataType::AUDIO:
978 layout->set_text("K20");
981 layout->set_text("K14");
984 layout->set_text("K12");
990 layout->set_text("dBFS");
993 layout->set_text("EBU");
996 layout->set_text("BBC");
999 layout->set_text("DIN");
1002 layout->set_text("NOR");
1005 layout->set_text("VU");
1008 layout->get_pixel_size(tw, th);
1010 case DataType::MIDI:
1011 layout->set_text("mid");
1012 layout->get_pixel_size(tw, th);
1014 default: // DataType::NIL;
1015 layout->set_text("");
1017 assert (0); // not reached
1021 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
1023 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
1025 cairo_move_to (cr, width - 2 - tw, height - th - 0.5);
1027 cairo_move_to (cr, 2, height - th - 0.5);
1029 pango_cairo_show_layout (cr, layout->gobj());
1032 cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
1035 cairo_surface_destroy (surface);
1041 ArdourMeter::meter_expose_ticks (GdkEventExpose *ev, MeterType type, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mta)
1043 Glib::RefPtr<Gdk::Window> win (mta->get_window());
1046 cr = gdk_cairo_create (win->gobj());
1048 /* clip to expose area */
1050 gdk_cairo_rectangle (cr, &ev->area);
1053 cairo_pattern_t* pattern;
1054 const MeterMatricsMapKey key (mta->get_name(), type, types_to_bit(types));
1055 MetricPatternMap::iterator i = ticks_patterns.find (key);
1057 if (i == ticks_patterns.end()) {
1058 pattern = meter_render_ticks (*mta, type, types);
1059 ticks_patterns[key] = pattern;
1061 pattern = i->second;
1064 cairo_move_to (cr, 0, 0);
1065 cairo_set_source (cr, pattern);
1068 win->get_size (width, height);
1070 cairo_rectangle (cr, 0, 0, width, height);
1079 ArdourMeter::meter_expose_metrics (GdkEventExpose *ev, MeterType type, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mma)
1081 Glib::RefPtr<Gdk::Window> win (mma->get_window());
1084 cr = gdk_cairo_create (win->gobj());
1086 /* clip to expose area */
1088 gdk_cairo_rectangle (cr, &ev->area);
1091 cairo_pattern_t* pattern;
1092 const MeterMatricsMapKey key (mma->get_name(), type, types_to_bit(types));
1093 MetricPatternMap::iterator i = metric_patterns.find (key);
1095 if (i == metric_patterns.end()) {
1096 pattern = meter_render_metrics (*mma, type, types);
1097 metric_patterns[key] = pattern;
1099 pattern = i->second;
1102 cairo_move_to (cr, 0, 0);
1105 win->get_size (width, height);
1106 #ifdef NO_OVERSAMPLE
1107 cairo_set_source (cr, pattern);
1108 cairo_rectangle (cr, 0, 0, width, height);
1110 cairo_scale(cr, 0.5, 0.5);
1111 cairo_set_antialias(cr, CAIRO_ANTIALIAS_BEST);
1112 cairo_set_source (cr, pattern);
1113 cairo_rectangle (cr, 0, 0, width * 2., height * 2.);
1124 ArdourMeter::meter_clear_pattern_cache(int which) {
1125 MetricPatternMap::iterator i = metric_patterns.begin();
1126 MetricPatternMap::iterator j = ticks_patterns.begin();
1128 while (i != metric_patterns.end()) {
1130 MeterMatricsMapKey const * const key = &(i->first);
1131 std::string n = key->_n;
1132 if (n.substr(n.length() - 4) == "Left") { m = 1; }
1133 if (n.substr(n.length() - 5) == "Right") { m = 2; }
1135 cairo_pattern_destroy(i->second);
1136 metric_patterns.erase(i++);
1142 while (j != ticks_patterns.end()) {
1144 MeterMatricsMapKey const * const key = &(j->first);
1145 std::string n = key->_n;
1146 if (n.substr(n.length() - 4) == "Left") { m = 1; }
1147 if (n.substr(n.length() - 5) == "Right") { m = 2; }
1149 cairo_pattern_destroy(j->second);
1150 ticks_patterns.erase(j++);