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.
22 #include <sigc++/bind.h>
24 #include "ardour/session.h"
25 #include "ardour/route.h"
26 #include "ardour/route_group.h"
27 #include "ardour/meter.h"
29 #include "ardour/audio_track.h"
30 #include "ardour/midi_track.h"
32 #include <gtkmm2ext/gtk_ui.h>
33 #include <gtkmm2ext/utils.h>
34 #include <gtkmm2ext/rgb_macros.h>
36 #include "ardour_ui.h"
37 #include "global_signals.h"
39 #include "gui_thread.h"
40 #include "ardour_window.h"
43 #include "meterbridge.h"
44 #include "meter_strip.h"
48 using namespace ARDOUR;
51 using namespace Gtkmm2ext;
54 PBD::Signal1<void,MeterStrip*> MeterStrip::CatchDeletion;
56 MeterStrip::MetricPatterns MeterStrip::metric_patterns;
57 MeterStrip::TickPatterns MeterStrip::ticks_patterns;
58 int MeterStrip::max_pattern_metric_size = 1024;
60 MeterStrip::MeterStrip (int metricmode)
66 peakbx.set_size_request(-1, 14);
67 btnbox.set_size_request(-1, 16);
68 namebx.set_size_request(14, 52);
73 meter_metric_area.set_name ("AudioBusMetrics");
74 _types.push_back (DataType::AUDIO);
77 meter_metric_area.set_name ("AudioTrackMetrics");
78 _types.push_back (DataType::AUDIO);
81 meter_metric_area.set_name ("MidiTrackMetrics");
82 _types.push_back (DataType::MIDI);
85 meter_metric_area.set_name ("AudioMidiTrackMetrics");
86 _types.push_back (DataType::AUDIO);
87 _types.push_back (DataType::MIDI);
90 //meter_metric_area.queue_draw ();
92 set_size_request_to_display_given_text (meter_metric_area, "-8888", 1, 0);
93 meter_metric_area.signal_expose_event().connect (
94 sigc::mem_fun(*this, &MeterStrip::meter_metrics_expose));
96 meterbox.pack_start(meter_metric_area, true, false);
98 pack_start (peakbx, false, false);
99 pack_start (meterbox, true, true);
100 pack_start (btnbox, false, false);
101 pack_start (namebx, false, false);
105 meter_metric_area.show();
109 UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &MeterStrip::on_theme_changed));
110 ColorsChanged.connect (sigc::mem_fun (*this, &MeterStrip::on_theme_changed));
111 DPIReset.connect (sigc::mem_fun (*this, &MeterStrip::on_theme_changed));
114 MeterStrip::MeterStrip (Session* sess, boost::shared_ptr<ARDOUR::Route> rt)
121 RouteUI::set_route (rt);
124 if (_route->shared_peak_meter()->input_streams().n_total() == 1) {
128 // level meter + ticks
129 level_meter = new LevelMeter(sess);
130 level_meter->set_meter (_route->shared_peak_meter().get());
131 level_meter->clear_meters();
132 level_meter->setup_meters (220, meter_width, 6);
134 meter_align.set(0.5, 0.5, 0.0, 1.0);
135 meter_align.add(*level_meter);
137 meterbox.pack_start(meter_ticks1_area, true, false);
138 meterbox.pack_start(meter_align, true, true);
139 meterbox.pack_start(meter_ticks2_area, true, false);
142 peak_display.set_name ("meterbridge peakindicator");
143 peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
144 max_peak = minus_infinity();
145 peak_display.unset_flags (Gtk::CAN_FOCUS);
146 peak_display.set_size_request(12, 8);
147 peak_display.set_corner_radius(2);
149 peak_align.set(0.5, 1.0, 1.0, 0.8);
150 peak_align.add(peak_display);
151 peakbx.pack_start(peak_align, true, true, 3);
152 peakbx.set_size_request(-1, 14);
154 // add track-name label
155 name_label.set_text(_route->name().c_str());
156 name_label.set_corner_radius(2);
157 name_label.set_name("solo isolate"); // XXX re-use 'very_small_text'
158 name_label.set_angle(-90.0);
159 name_label.layout()->set_ellipsize (Pango::ELLIPSIZE_END);
160 name_label.layout()->set_width(48 * PANGO_SCALE);
161 name_label.set_size_request(18, 50);
163 namebx.set_size_request(18, 52);
164 namebx.pack_start(name_label, true, false, 3);
167 btnbox.pack_start(*rec_enable_button, true, false);
168 rec_enable_button->set_corner_radius(2);
169 btnbox.set_size_request(-1, 16);
171 pack_start (peakbx, false, false);
172 pack_start (meterbox, true, true);
173 pack_start (btnbox, false, false);
174 pack_start (namebx, false, false);
178 meter_ticks1_area.show();
179 meter_ticks2_area.show();
188 _route->shared_peak_meter()->ConfigurationChanged.connect (
189 route_connections, invalidator (*this), boost::bind (&MeterStrip::meter_configuration_changed, this, _1), gui_context()
191 meter_configuration_changed (_route->shared_peak_meter()->input_streams ());
193 meter_ticks1_area.set_size_request(3,-1);
194 meter_ticks2_area.set_size_request(3,-1);
195 meter_ticks1_area.signal_expose_event().connect (sigc::mem_fun(*this, &MeterStrip::meter_ticks1_expose));
196 meter_ticks2_area.signal_expose_event().connect (sigc::mem_fun(*this, &MeterStrip::meter_ticks2_expose));
198 _route->DropReferences.connect (route_connections, invalidator (*this), boost::bind (&MeterStrip::self_delete, this), gui_context());
199 _route->PropertyChanged.connect (route_connections, invalidator (*this), boost::bind (&MeterStrip::strip_property_changed, this, _1), gui_context());
201 peak_display.signal_button_release_event().connect (sigc::mem_fun(*this, &MeterStrip::peak_button_release), false);
203 UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &MeterStrip::on_theme_changed));
204 ColorsChanged.connect (sigc::mem_fun (*this, &MeterStrip::on_theme_changed));
205 DPIReset.connect (sigc::mem_fun (*this, &MeterStrip::on_theme_changed));
208 MeterStrip::~MeterStrip ()
211 CatchDeletion (this);
215 MeterStrip::self_delete ()
221 MeterStrip::update_rec_display ()
223 RouteUI::update_rec_display ();
227 MeterStrip::state_id() const
229 return string_compose ("mtrs %1", _route->id().to_s());
233 MeterStrip::set_button_names()
235 rec_enable_button->set_text ("");
236 rec_enable_button->set_image (::get_icon (X_("record_normal_red")));
240 MeterStrip::strip_property_changed (const PropertyChange& what_changed)
242 if (!what_changed.contains (ARDOUR::Properties::name)) {
245 ENSURE_GUI_THREAD (*this, &MeterStrip::strip_name_changed, what_changed)
246 name_label.set_text(_route->name());
250 MeterStrip::fast_update ()
252 float mpeak = level_meter->update_meters();
253 if (mpeak > max_peak) {
256 peak_display.set_name ("meterbridge peakindicator on");
257 peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
263 MeterStrip::on_theme_changed()
265 metric_patterns.clear();
266 ticks_patterns.clear();
268 if (level_meter && _route) {
270 if (_route->shared_peak_meter()->input_streams().n_total() == 1) {
273 level_meter->setup_meters (220, meter_width, 6);
275 meter_metric_area.queue_draw();
276 meter_ticks1_area.queue_draw();
277 meter_ticks2_area.queue_draw();
281 MeterStrip::meter_configuration_changed (ChanCount c)
286 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
287 if (c.get (*i) > 0) {
288 _types.push_back (*i);
293 // TODO draw Inactive routes or busses with different styles
294 if (boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
295 && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
297 meter_ticks1_area.set_name ("AudioBusMetrics");
298 meter_ticks2_area.set_name ("AudioBusMetrics");
300 else if (type == (1 << DataType::AUDIO)) {
301 meter_ticks1_area.set_name ("AudioTrackMetrics");
302 meter_ticks2_area.set_name ("AudioTrackMetrics");
304 else if (type == (1 << DataType::MIDI)) {
305 meter_ticks1_area.set_name ("MidiTrackMetrics");
306 meter_ticks2_area.set_name ("MidiTrackMetrics");
308 meter_ticks1_area.set_name ("AudioMidiTrackMetrics");
309 meter_ticks2_area.set_name ("AudioMidiTrackMetrics");
316 MeterStrip::on_size_request (Gtk::Requisition* r)
318 metric_patterns.clear();
319 ticks_patterns.clear();
320 VBox::on_size_request(r);
324 MeterStrip::on_size_allocate (Gtk::Allocation& a)
326 metric_patterns.clear();
327 ticks_patterns.clear();
328 VBox::on_size_allocate(a);
331 /* XXX code-copy from gain_meter.cc -- TODO consolidate
333 * slightly different:
334 * - ticks & label positions are swapped
335 * - more ticks for audio (longer meter by default)
336 * - right-aligned lables, unit-legend
337 * - height limitation of FastMeter::max_pattern_metric_size is included here
340 MeterStrip::render_metrics (Gtk::Widget& w, vector<DataType> types)
342 Glib::RefPtr<Gdk::Window> win (w.get_window());
345 win->get_size (width, height);
347 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
348 cairo_t* cr = cairo_create (surface);
349 Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
351 Pango::AttrList audio_font_attributes;
352 Pango::AttrList midi_font_attributes;
353 Pango::AttrList unit_font_attributes;
355 Pango::AttrFontDesc* font_attr;
356 Pango::FontDescription font;
358 font = Pango::FontDescription (""); // use defaults
359 //font = get_font_for_style("gain-fader");
360 //font = w.get_style()->get_font();
362 font.set_weight (Pango::WEIGHT_NORMAL);
363 font.set_size (9.0 * PANGO_SCALE);
364 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
365 audio_font_attributes.change (*font_attr);
368 font.set_weight (Pango::WEIGHT_ULTRALIGHT);
369 font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
370 font.set_size (7.5 * PANGO_SCALE);
371 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
372 midi_font_attributes.change (*font_attr);
375 font.set_size (7.0 * PANGO_SCALE);
376 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
377 unit_font_attributes.change (*font_attr);
380 cairo_move_to (cr, 0, 0);
381 cairo_rectangle (cr, 0, 0, width, height);
383 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
384 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
388 if (height > max_pattern_metric_size) {
389 cairo_move_to (cr, 0, max_pattern_metric_size);
390 cairo_rectangle (cr, 0, max_pattern_metric_size, width, height);
391 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
392 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
396 height = min(max_pattern_metric_size, height);
397 uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
399 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
403 if (types.size() > 1) {
404 /* we're overlaying more than 1 set of marks, so use different colours */
407 case DataType::AUDIO:
408 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
409 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
412 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
413 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
417 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
418 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
421 std::map<int,float> points;
424 case DataType::AUDIO:
425 layout->set_attributes (audio_font_attributes);
426 points.insert (std::pair<int,float>(-50, 0.5));
427 points.insert (std::pair<int,float>(-40, 0.5));
428 points.insert (std::pair<int,float>(-30, 0.5));
429 points.insert (std::pair<int,float>(-25, 0.5));
430 points.insert (std::pair<int,float>(-20, 1.0));
431 points.insert (std::pair<int,float>(-18, 1.0));
432 points.insert (std::pair<int,float>(-15, 1.0));
433 points.insert (std::pair<int,float>(-10, 1.0));
434 points.insert (std::pair<int,float>( -5, 1.0));
435 points.insert (std::pair<int,float>( -3, 0.5));
436 points.insert (std::pair<int,float>( 0, 1.0));
437 points.insert (std::pair<int,float>( 3, 0.5));
441 layout->set_attributes (midi_font_attributes);
442 points.insert (std::pair<int,float>( 0, 1.0));
443 if (types.size() == 1) {
444 points.insert (std::pair<int,float>( 16, 0.5));
445 points.insert (std::pair<int,float>( 32, 0.5));
446 points.insert (std::pair<int,float>( 48, 0.5));
447 points.insert (std::pair<int,float>( 64, 1.0));
448 points.insert (std::pair<int,float>( 80, 0.5));
449 points.insert (std::pair<int,float>( 96, 0.5));
450 points.insert (std::pair<int,float>(100, 0.5));
451 points.insert (std::pair<int,float>(112, 0.5));
453 /* labels that don't overlay with dB */
454 points.insert (std::pair<int,float>( 48, 0.5));
455 points.insert (std::pair<int,float>( 72, 0.5));
456 points.insert (std::pair<int,float>( 88, 0.5));
458 points.insert (std::pair<int,float>(127, 1.0));
465 for (std::map<int,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
469 case DataType::AUDIO:
470 cairo_set_line_width (cr, (j->second));
472 cairo_set_source_rgb (cr,
473 UINT_RGBA_R_FLT(peakcolor),
474 UINT_RGBA_G_FLT(peakcolor),
475 UINT_RGBA_B_FLT(peakcolor));
477 fraction = log_meter (j->first);
478 snprintf (buf, sizeof (buf), "%+2d", j->first);
479 pos = height - (gint) floor (height * fraction);
480 cairo_move_to(cr, width-2.5, pos + .5);
481 cairo_line_to(cr, width, pos + .5);
485 cairo_set_line_width (cr, 1.0);
486 fraction = (j->first) / 127.0;
487 snprintf (buf, sizeof (buf), "%3d", j->first);
488 pos = height - (gint) rintf (height * fraction);
489 cairo_arc(cr, 3, pos, 1.0, 0, 2 * M_PI);
494 layout->set_text(buf);
496 /* we want logical extents, not ink extents here */
499 layout->get_pixel_size(tw, th);
501 int p = pos - (th / 2);
502 p = min (p, height - th);
505 cairo_move_to (cr, width-4-tw, p);
506 pango_cairo_show_layout (cr, layout->gobj());
510 if (types.size() == 1) {
512 layout->set_attributes (unit_font_attributes);
513 switch (types.at(0)) {
514 case DataType::AUDIO:
515 layout->set_text("dBFS");
516 layout->get_pixel_size(tw, th);
519 layout->set_text("vel");
520 layout->get_pixel_size(tw, th);
523 Gdk::Color c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
524 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
525 cairo_move_to (cr, 1, height - th - 1.5);
526 pango_cairo_show_layout (cr, layout->gobj());
529 cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
530 MetricPatterns::iterator p;
532 if ((p = metric_patterns.find (w.get_name())) != metric_patterns.end()) {
533 cairo_pattern_destroy (p->second);
536 metric_patterns[w.get_name()] = pattern;
539 cairo_surface_destroy (surface);
544 /* XXX code-copy from gain_meter.cc -- TODO consolidate */
546 MeterStrip::meter_metrics_expose (GdkEventExpose *ev)
548 Glib::RefPtr<Gdk::Window> win (meter_metric_area.get_window());
551 cr = gdk_cairo_create (win->gobj());
553 /* clip to expose area */
555 gdk_cairo_rectangle (cr, &ev->area);
558 cairo_pattern_t* pattern;
559 MetricPatterns::iterator i = metric_patterns.find (meter_metric_area.get_name());
561 if (i == metric_patterns.end()) {
562 pattern = render_metrics (meter_metric_area, _types);
567 cairo_move_to (cr, 0, 0);
568 cairo_set_source (cr, pattern);
571 win->get_size (width, height);
573 cairo_rectangle (cr, 0, 0, width, height);
582 MeterStrip::render_ticks (Gtk::Widget& w, vector<DataType> types)
584 Glib::RefPtr<Gdk::Window> win (w.get_window());
587 win->get_size (width, height);
589 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
590 cairo_t* cr = cairo_create (surface);
592 cairo_move_to (cr, 0, 0);
593 cairo_rectangle (cr, 0, 0, width, height);
595 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
596 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
600 if (height > max_pattern_metric_size) {
601 cairo_move_to (cr, 0, max_pattern_metric_size);
602 cairo_rectangle (cr, 0, max_pattern_metric_size, width, height);
603 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
604 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
608 height = min(max_pattern_metric_size, height);
609 uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
611 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
614 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
616 if (types.size() > 1) {
617 /* we're overlaying more than 1 set of marks, so use different colours */
619 case DataType::AUDIO:
620 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
621 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
624 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
625 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
629 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
630 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
633 std::map<int,float> points;
636 case DataType::AUDIO:
637 points.insert (std::pair<int,float>(-60, 0.5));
638 points.insert (std::pair<int,float>(-50, 0.5));
639 points.insert (std::pair<int,float>(-40, 0.5));
640 points.insert (std::pair<int,float>(-30, 0.5));
641 points.insert (std::pair<int,float>(-25, 0.5));
642 points.insert (std::pair<int,float>(-20, 1.0));
644 points.insert (std::pair<int,float>(-19, 0.5));
645 points.insert (std::pair<int,float>(-18, 1.0));
646 points.insert (std::pair<int,float>(-17, 0.5));
647 points.insert (std::pair<int,float>(-16, 0.5));
648 points.insert (std::pair<int,float>(-15, 1.0));
650 points.insert (std::pair<int,float>(-14, 0.5));
651 points.insert (std::pair<int,float>(-13, 0.5));
652 points.insert (std::pair<int,float>(-12, 0.5));
653 points.insert (std::pair<int,float>(-11, 0.5));
654 points.insert (std::pair<int,float>(-10, 1.0));
656 points.insert (std::pair<int,float>( -9, 0.5));
657 points.insert (std::pair<int,float>( -8, 0.5));
658 points.insert (std::pair<int,float>( -7, 0.5));
659 points.insert (std::pair<int,float>( -6, 0.5));
660 points.insert (std::pair<int,float>( -5, 1.0));
661 points.insert (std::pair<int,float>( -4, 0.5));
662 points.insert (std::pair<int,float>( -3, 0.5));
663 points.insert (std::pair<int,float>( -2, 0.5));
664 points.insert (std::pair<int,float>( -1, 0.5));
666 points.insert (std::pair<int,float>( 0, 1.0));
667 points.insert (std::pair<int,float>( 1, 0.5));
668 points.insert (std::pair<int,float>( 2, 0.5));
669 points.insert (std::pair<int,float>( 3, 0.5));
670 points.insert (std::pair<int,float>( 4, 0.5));
671 points.insert (std::pair<int,float>( 5, 0.5));
675 points.insert (std::pair<int,float>( 0, 1.0));
676 points.insert (std::pair<int,float>( 16, 0.5));
677 points.insert (std::pair<int,float>( 32, 0.5));
678 points.insert (std::pair<int,float>( 48, 0.5));
679 points.insert (std::pair<int,float>( 64, 1.0));
680 points.insert (std::pair<int,float>( 80, 0.5));
681 points.insert (std::pair<int,float>( 96, 0.5));
682 points.insert (std::pair<int,float>(100, 1.0));
683 points.insert (std::pair<int,float>(112, 0.5));
684 points.insert (std::pair<int,float>(127, 1.0));
688 for (std::map<int,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
689 cairo_set_line_width (cr, (j->second));
695 case DataType::AUDIO:
696 if (j->first >= 0 || j->first == -9) {
697 cairo_set_source_rgb (cr,
698 UINT_RGBA_R_FLT(peakcolor),
699 UINT_RGBA_G_FLT(peakcolor),
700 UINT_RGBA_B_FLT(peakcolor));
702 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
704 fraction = log_meter (j->first);
705 pos = height - (gint) floor (height * fraction);
706 cairo_move_to(cr, 0, pos + .5);
707 cairo_line_to(cr, 3, pos + .5);
711 fraction = (j->first) / 127.0;
712 pos = height - (gint) floor (height * fraction);
713 cairo_arc(cr, 1.5, pos, 1.0, 0, 2 * M_PI);
720 cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
721 TickPatterns::iterator p;
723 if ((p = ticks_patterns.find (w.get_name())) != metric_patterns.end()) {
724 cairo_pattern_destroy (p->second);
727 ticks_patterns[w.get_name()] = pattern;
730 cairo_surface_destroy (surface);
736 MeterStrip::meter_ticks1_expose (GdkEventExpose *ev)
738 return meter_ticks_expose(ev, &meter_ticks1_area);
742 MeterStrip::meter_ticks2_expose (GdkEventExpose *ev)
744 return meter_ticks_expose(ev, &meter_ticks2_area);
748 MeterStrip::meter_ticks_expose (GdkEventExpose *ev, Gtk::DrawingArea *mta)
750 Glib::RefPtr<Gdk::Window> win (mta->get_window());
753 cr = gdk_cairo_create (win->gobj());
755 /* clip to expose area */
757 gdk_cairo_rectangle (cr, &ev->area);
760 cairo_pattern_t* pattern;
761 TickPatterns::iterator i = ticks_patterns.find (mta->get_name());
763 if (i == ticks_patterns.end()) {
764 pattern = render_ticks (*mta, _types);
769 cairo_move_to (cr, 0, 0);
770 cairo_set_source (cr, pattern);
773 win->get_size (width, height);
775 cairo_rectangle (cr, 0, 0, width, height);
784 MeterStrip::reset_group_peak_display (RouteGroup* group)
786 /* UNUSED -- need connection w/mixer || other meters */
787 if (_route && group == _route->route_group()) {
788 reset_peak_display ();
793 MeterStrip::reset_peak_display ()
795 _route->shared_peak_meter()->reset_max();
796 level_meter->clear_meters();
797 max_peak = -INFINITY;
798 peak_display.set_name ("meterbridge peakindicator");
799 peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
803 MeterStrip::peak_button_release (GdkEventButton* ev)
805 reset_peak_display ();