2 Copyright (C) 2001-2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include <gtkmm2ext/gtk_ui.h>
29 #include <ardour/playlist.h>
30 #include <ardour/audioregion.h>
31 #include <ardour/audiosource.h>
32 #include <ardour/audio_diskstream.h>
33 #include <pbd/memento_command.h>
35 #include "streamview.h"
36 #include "audio_region_view.h"
37 #include "audio_time_axis.h"
38 #include "simplerect.h"
39 #include "simpleline.h"
41 #include "public_editor.h"
42 #include "audio_region_editor.h"
43 #include "region_gain_line.h"
44 #include "ghostregion.h"
45 #include "audio_time_axis.h"
47 #include "rgb_macros.h"
48 #include "gui_thread.h"
53 using namespace ARDOUR;
55 using namespace Editing;
56 using namespace ArdourCanvas;
58 static const int32_t sync_mark_width = 9;
60 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, AudioRegion& r, double spu,
61 Gdk::Color& basic_color)
62 : RegionView (parent, tv, r, spu, basic_color)
70 , _amplitude_above_axis(1.0)
76 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, AudioRegion& r, double spu,
77 Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
78 : RegionView (parent, tv, r, spu, basic_color, visibility)
86 , _amplitude_above_axis(1.0)
93 AudioRegionView::init (Gdk::Color& basic_color, bool wfd)
95 // FIXME: Some redundancy here with RegionView::init. Need to figure out
96 // where order is important and where it isn't...
98 RegionView::init(basic_color, wfd);
102 _amplitude_above_axis = 1.0;
106 if ((node = _region.extra_xml ("GUI")) != 0) {
109 _flags = WaveformVisible;
113 if (trackview.editor.new_regionviews_display_gain()) {
114 _flags |= EnvelopeVisible;
117 compute_colors (basic_color);
121 fade_in_shape = new ArdourCanvas::Polygon (*group);
122 fade_in_shape->property_fill_color_rgba() = fade_color;
123 fade_in_shape->set_data ("regionview", this);
125 fade_out_shape = new ArdourCanvas::Polygon (*group);
126 fade_out_shape->property_fill_color_rgba() = fade_color;
127 fade_out_shape->set_data ("regionview", this);
132 UINT_TO_RGBA(fill_color,&r,&g,&b,&a);
135 fade_in_handle = new ArdourCanvas::SimpleRect (*group);
136 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
137 fade_in_handle->property_outline_pixels() = 0;
138 fade_in_handle->property_y1() = 2.0;
139 fade_in_handle->property_y2() = 7.0;
141 fade_in_handle->set_data ("regionview", this);
143 fade_out_handle = new ArdourCanvas::SimpleRect (*group);
144 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
145 fade_out_handle->property_outline_pixels() = 0;
146 fade_out_handle->property_y1() = 2.0;
147 fade_out_handle->property_y2() = 7.0;
149 fade_out_handle->set_data ("regionview", this);
152 string foo = _region.name();
156 gain_line = new AudioRegionGainLine (foo, trackview.session(), *this, *group, audio_region().envelope());
158 if (!(_flags & EnvelopeVisible)) {
164 reset_width_dependent_items ((double) _region.length() / samples_per_unit);
168 set_height (trackview.height);
171 region_sync_changed ();
172 region_resized (BoundsChanged);
173 set_waveview_data_src();
175 envelope_active_changed ();
176 fade_in_active_changed ();
177 fade_out_active_changed ();
179 _region.StateChanged.connect (mem_fun(*this, &AudioRegionView::region_changed));
181 fade_in_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
182 fade_in_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
183 fade_out_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
184 fade_out_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
188 /* XXX sync mark drag? */
191 AudioRegionView::~AudioRegionView ()
193 in_destructor = true;
195 RegionViewGoingAway (this); /* EMIT_SIGNAL */
197 for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
198 gnome_canvas_waveview_cache_destroy (*cache);
201 /* all waveviews etc will be destroyed when the group is destroyed */
209 AudioRegionView::audio_region() const
211 // "Guaranteed" to succeed...
212 return dynamic_cast<AudioRegion&>(_region);
216 AudioRegionView::region_changed (Change what_changed)
218 ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionView::region_changed), what_changed));
220 RegionView::region_changed(what_changed);
222 if (what_changed & AudioRegion::ScaleAmplitudeChanged) {
223 region_scale_amplitude_changed ();
225 if (what_changed & AudioRegion::FadeInChanged) {
228 if (what_changed & AudioRegion::FadeOutChanged) {
231 if (what_changed & AudioRegion::FadeInActiveChanged) {
232 fade_in_active_changed ();
234 if (what_changed & AudioRegion::FadeOutActiveChanged) {
235 fade_out_active_changed ();
237 if (what_changed & AudioRegion::EnvelopeActiveChanged) {
238 envelope_active_changed ();
243 AudioRegionView::fade_in_changed ()
245 reset_fade_in_shape ();
249 AudioRegionView::fade_out_changed ()
251 reset_fade_out_shape ();
255 AudioRegionView::set_fade_in_active (bool yn)
257 audio_region().set_fade_in_active (yn);
261 AudioRegionView::set_fade_out_active (bool yn)
263 audio_region().set_fade_out_active (yn);
267 AudioRegionView::fade_in_active_changed ()
271 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
273 if (audio_region().fade_in_active()) {
274 col = RGBA_TO_UINT(r,g,b,120);
275 fade_in_shape->property_fill_color_rgba() = col;
276 fade_in_shape->property_width_pixels() = 0;
277 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
279 col = RGBA_TO_UINT(r,g,b,0);
280 fade_in_shape->property_fill_color_rgba() = col;
281 fade_in_shape->property_width_pixels() = 1;
282 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
287 AudioRegionView::fade_out_active_changed ()
291 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
293 if (audio_region().fade_out_active()) {
294 col = RGBA_TO_UINT(r,g,b,120);
295 fade_out_shape->property_fill_color_rgba() = col;
296 fade_out_shape->property_width_pixels() = 0;
297 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
299 col = RGBA_TO_UINT(r,g,b,0);
300 fade_out_shape->property_fill_color_rgba() = col;
301 fade_out_shape->property_width_pixels() = 1;
302 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
308 AudioRegionView::region_scale_amplitude_changed ()
310 ENSURE_GUI_THREAD (mem_fun(*this, &AudioRegionView::region_scale_amplitude_changed));
312 for (uint32_t n = 0; n < waves.size(); ++n) {
313 // force a reload of the cache
314 waves[n]->property_data_src() = &_region;
319 AudioRegionView::region_resized (Change what_changed)
321 RegionView::region_resized(what_changed);
323 if (what_changed & Change (StartChanged|LengthChanged)) {
325 for (uint32_t n = 0; n < waves.size(); ++n) {
326 waves[n]->property_region_start() = _region.start();
329 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
331 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
332 (*w)->property_region_start() = _region.start();
339 AudioRegionView::reset_width_dependent_items (double pixel_width)
341 RegionView::reset_width_dependent_items(pixel_width);
342 assert(_pixel_width == pixel_width);
345 zero_line->property_x2() = pixel_width - 1.0;
348 if (fade_in_handle) {
349 if (pixel_width <= 6.0) {
350 fade_in_handle->hide();
351 fade_out_handle->hide();
354 fade_in_handle->hide();
355 fade_out_handle->hide();
357 fade_in_handle->show();
358 fade_out_handle->show();
363 reset_fade_shapes ();
367 AudioRegionView::region_muted ()
369 RegionView::region_muted();
371 for (uint32_t n=0; n < waves.size(); ++n) {
372 if (_region.muted()) {
373 waves[n]->property_wave_color() = color_map[cMutedWaveForm];
375 waves[n]->property_wave_color() = color_map[cWaveForm];
382 AudioRegionView::set_height (gdouble height)
384 uint32_t wcnt = waves.size();
387 TimeAxisViewItem::set_height (height - 2);
391 for (uint32_t n=0; n < wcnt; ++n) {
394 if ((height) <= NAME_HIGHLIGHT_THRESH) {
395 ht = ((height-2*wcnt) / (double) wcnt);
397 ht = (((height-2*wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
400 gdouble yoff = n * (ht+1);
402 waves[n]->property_height() = ht;
403 waves[n]->property_y() = yoff + 2;
407 if ((height/wcnt) < NAME_HIGHLIGHT_SIZE) {
410 if (_flags & EnvelopeVisible) {
414 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE));
418 reset_fade_shapes ();
421 name_text->raise_to_top();
426 AudioRegionView::manage_zero_line ()
432 if (_height >= 100) {
433 gdouble wave_midpoint = (_height - NAME_HIGHLIGHT_SIZE) / 2.0;
434 zero_line->property_y1() = wave_midpoint;
435 zero_line->property_y2() = wave_midpoint;
443 AudioRegionView::reset_fade_shapes ()
445 reset_fade_in_shape ();
446 reset_fade_out_shape ();
450 AudioRegionView::reset_fade_in_shape ()
452 reset_fade_in_shape_width ((jack_nframes_t) audio_region().fade_in().back()->when);
456 AudioRegionView::reset_fade_in_shape_width (jack_nframes_t width)
458 if (fade_in_handle == 0) {
462 /* smallest size for a fade is 64 frames */
464 width = std::max ((jack_nframes_t) 64, width);
467 double pwidth = width / samples_per_unit;
468 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
472 fade_in_shape->hide();
473 fade_in_handle->hide();
477 double handle_center;
478 handle_center = pwidth;
480 if (handle_center > 7.0) {
481 handle_center -= 3.0;
486 fade_in_handle->property_x1() = handle_center - 3.0;
487 fade_in_handle->property_x2() = handle_center + 3.0;
490 fade_in_shape->hide();
494 fade_in_shape->show();
496 float curve[npoints];
497 audio_region().fade_in().get_vector (0, audio_region().fade_in().back()->when, curve, npoints);
499 points = get_canvas_points ("fade in shape", npoints+3);
501 if (_height > NAME_HIGHLIGHT_THRESH) {
502 h = _height - NAME_HIGHLIGHT_SIZE;
507 /* points *MUST* be in anti-clockwise order */
510 double xdelta = pwidth/npoints;
512 for (pi = 0, pc = 0; pc < npoints; ++pc) {
513 (*points)[pi].set_x(1 + (pc * xdelta));
514 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
519 (*points)[pi].set_x(pwidth);
520 (*points)[pi++].set_y(2);
522 (*points)[pi].set_x(1);
523 (*points)[pi++].set_y(2);
525 /* connect the dots ... */
527 (*points)[pi] = (*points)[0];
529 fade_in_shape->property_points() = *points;
534 AudioRegionView::reset_fade_out_shape ()
536 reset_fade_out_shape_width ((jack_nframes_t) audio_region().fade_out().back()->when);
540 AudioRegionView::reset_fade_out_shape_width (jack_nframes_t width)
542 if (fade_out_handle == 0) {
546 /* smallest size for a fade is 64 frames */
548 width = std::max ((jack_nframes_t) 64, width);
551 double pwidth = width / samples_per_unit;
552 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
556 fade_out_shape->hide();
557 fade_out_handle->hide();
561 double handle_center;
562 handle_center = (_region.length() - width) / samples_per_unit;
564 if (handle_center > 7.0) {
565 handle_center -= 3.0;
570 fade_out_handle->property_x1() = handle_center - 3.0;
571 fade_out_handle->property_x2() = handle_center + 3.0;
573 /* don't show shape if its too small */
576 fade_out_shape->hide();
580 fade_out_shape->show();
582 float curve[npoints];
583 audio_region().fade_out().get_vector (0, audio_region().fade_out().back()->when, curve, npoints);
585 if (_height > NAME_HIGHLIGHT_THRESH) {
586 h = _height - NAME_HIGHLIGHT_SIZE;
591 /* points *MUST* be in anti-clockwise order */
593 points = get_canvas_points ("fade out shape", npoints+3);
596 double xdelta = pwidth/npoints;
598 for (pi = 0, pc = 0; pc < npoints; ++pc) {
599 (*points)[pi].set_x(_pixel_width - 1 - pwidth + (pc*xdelta));
600 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
605 (*points)[pi].set_x(_pixel_width);
606 (*points)[pi++].set_y(h);
608 (*points)[pi].set_x(_pixel_width);
609 (*points)[pi++].set_y(2);
611 /* connect the dots ... */
613 (*points)[pi] = (*points)[0];
615 fade_out_shape->property_points() = *points;
620 AudioRegionView::set_samples_per_unit (gdouble spu)
622 RegionView::set_samples_per_unit (spu);
624 for (uint32_t n=0; n < waves.size(); ++n) {
625 waves[n]->property_samples_per_unit() = spu;
631 reset_fade_shapes ();
635 AudioRegionView::set_amplitude_above_axis (gdouble spp)
637 for (uint32_t n=0; n < waves.size(); ++n) {
638 waves[n]->property_amplitude_above_axis() = spp;
643 AudioRegionView::compute_colors (Gdk::Color& basic_color)
645 RegionView::compute_colors(basic_color);
649 /* gain color computed in envelope_active_changed() */
651 UINT_TO_RGBA (fill_color, &r, &g, &b, &a);
652 fade_color = RGBA_TO_UINT(r,g,b,120);
656 AudioRegionView::set_colors ()
658 RegionView::set_colors();
661 gain_line->set_line_color (audio_region().envelope_active() ? color_map[cGainLine] : color_map[cGainLineInactive]);
664 for (uint32_t n=0; n < waves.size(); ++n) {
665 if (_region.muted()) {
666 waves[n]->property_wave_color() = color_map[cMutedWaveForm];
668 waves[n]->property_wave_color() = color_map[cWaveForm];
674 AudioRegionView::show_region_editor ()
677 editor = new AudioRegionEditor (trackview.session(), audio_region(), *this);
678 // GTK2FIX : how to ensure float without realizing
679 // editor->realize ();
680 // trackview.editor.ensure_float (*editor);
684 editor->get_window()->raise();
688 AudioRegionView::set_waveform_visible (bool yn)
690 if (((_flags & WaveformVisible) != yn)) {
692 for (uint32_t n=0; n < waves.size(); ++n) {
695 _flags |= WaveformVisible;
697 for (uint32_t n=0; n < waves.size(); ++n) {
700 _flags &= ~WaveformVisible;
707 AudioRegionView::temporarily_hide_envelope ()
715 AudioRegionView::unhide_envelope ()
717 if (gain_line && (_flags & EnvelopeVisible)) {
723 AudioRegionView::set_envelope_visible (bool yn)
725 if (gain_line && ((_flags & EnvelopeVisible) != yn)) {
728 _flags |= EnvelopeVisible;
731 _flags &= ~EnvelopeVisible;
738 AudioRegionView::create_waves ()
740 bool create_zero_line = true;
742 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
744 if (!atv.get_diskstream()) {
748 uint32_t nchans = atv.get_diskstream()->n_channels();
750 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
751 for (uint32_t n = 0; n < nchans; ++n) {
752 tmp_waves.push_back (0);
755 for (uint32_t n = 0; n < nchans; ++n) {
757 if (n >= audio_region().n_channels()) {
761 wave_caches.push_back (WaveView::create_cache ());
764 if (audio_region().source(n).peaks_ready (bind (mem_fun(*this, &AudioRegionView::peaks_ready_handler), n), data_ready_connection)) {
765 create_one_wave (n, true);
767 create_zero_line = false;
770 create_one_wave (n, true);
774 if (create_zero_line) {
775 zero_line = new ArdourCanvas::SimpleLine (*group);
776 zero_line->property_x1() = (gdouble) 1.0;
777 zero_line->property_x2() = (gdouble) (_region.length() / samples_per_unit) - 1.0;
778 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
784 AudioRegionView::create_one_wave (uint32_t which, bool direct)
786 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
787 uint32_t nchans = atv.get_diskstream()->n_channels();
789 uint32_t nwaves = std::min (nchans, audio_region().n_channels());
792 if (trackview.height < NAME_HIGHLIGHT_SIZE) {
793 ht = ((trackview.height) / (double) nchans);
795 ht = ((trackview.height - NAME_HIGHLIGHT_SIZE) / (double) nchans);
798 gdouble yoff = which * ht;
800 WaveView *wave = new WaveView(*group);
802 wave->property_data_src() = (gpointer) &_region;
803 wave->property_cache() = wave_caches[which];
804 wave->property_cache_updater() = true;
805 wave->property_channel() = which;
806 wave->property_length_function() = (gpointer) region_length_from_c;
807 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
808 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
809 wave->property_x() = 0.0;
810 wave->property_y() = yoff;
811 wave->property_height() = (double) ht;
812 wave->property_samples_per_unit() = samples_per_unit;
813 wave->property_amplitude_above_axis() = _amplitude_above_axis;
814 wave->property_wave_color() = _region.muted() ? color_map[cMutedWaveForm] : color_map[cWaveForm];
815 wave->property_region_start() = _region.start();
817 if (!(_flags & WaveformVisible)) {
821 /* note: calling this function is serialized by the lock
822 held in the peak building thread that signals that
823 peaks are ready for use *or* by the fact that it is
824 called one by one from the GUI thread.
827 if (which < nchans) {
828 tmp_waves[which] = wave;
830 /* n-channel track, >n-channel source */
833 /* see if we're all ready */
835 for (n = 0; n < nchans; ++n) {
836 if (tmp_waves[n] == 0) {
841 if (n == nwaves && waves.empty()) {
842 /* all waves are ready */
843 tmp_waves.resize(nwaves);
849 zero_line = new ArdourCanvas::SimpleLine (*group);
850 zero_line->property_x1() = (gdouble) 1.0;
851 zero_line->property_x2() = (gdouble) (_region.length() / samples_per_unit) - 1.0;
852 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
859 AudioRegionView::peaks_ready_handler (uint32_t which)
861 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
863 if (!waves.empty()) {
864 /* all waves created, don't hook into peaks ready anymore */
865 data_ready_connection.disconnect ();
870 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
872 if (gain_line == 0) {
878 /* don't create points that can't be seen */
880 set_envelope_visible (true);
887 jack_nframes_t fx = trackview.editor.pixel_to_frame (x);
889 if (fx > _region.length()) {
893 /* compute vertical fractional position */
895 y = 1.0 - (y / (trackview.height - NAME_HIGHLIGHT_SIZE));
897 /* map using gain line */
899 gain_line->view_to_model_y (y);
901 trackview.session().begin_reversible_command (_("add gain control point"));
902 XMLNode &before = audio_region().envelope().get_state();
905 if (!audio_region().envelope_active()) {
906 XMLNode &before = audio_region().get_state();
907 audio_region().set_envelope_active(true);
908 XMLNode &after = audio_region().get_state();
909 trackview.session().add_command (new MementoCommand<AudioRegion>(audio_region(), &before, &after));
912 audio_region().envelope().add (fx, y);
914 XMLNode &after = audio_region().envelope().get_state();
915 trackview.session().add_command (new MementoCommand<Curve>(audio_region().envelope(), &before, &after));
916 trackview.session().commit_reversible_command ();
920 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
922 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
923 audio_region().envelope().erase (cp->model);
927 AudioRegionView::store_flags()
929 XMLNode *node = new XMLNode ("GUI");
931 node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no");
932 node->add_property ("envelope-visible", (_flags & EnvelopeVisible) ? "yes" : "no");
934 _region.add_extra_xml (*node);
938 AudioRegionView::set_flags (XMLNode* node)
942 if ((prop = node->property ("waveform-visible")) != 0) {
943 if (prop->value() == "yes") {
944 _flags |= WaveformVisible;
948 if ((prop = node->property ("envelope-visible")) != 0) {
949 if (prop->value() == "yes") {
950 _flags |= EnvelopeVisible;
956 AudioRegionView::set_waveform_shape (WaveformShape shape)
960 /* this slightly odd approach is to leave the door open to
961 other "shapes" such as spectral displays, etc.
974 if (yn != (bool) (_flags & WaveformRectified)) {
975 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
976 (*wave)->property_rectified() = yn;
988 _flags |= WaveformRectified;
990 _flags &= ~WaveformRectified;
996 AudioRegionView::add_ghost (AutomationTimeAxisView& atv)
998 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1001 double unit_position = _region.position () / samples_per_unit;
1002 GhostRegion* ghost = new GhostRegion (atv, unit_position);
1005 nchans = rtv->get_diskstream()->n_channels();
1007 for (uint32_t n = 0; n < nchans; ++n) {
1009 if (n >= audio_region().n_channels()) {
1013 WaveView *wave = new WaveView(*ghost->group);
1015 wave->property_data_src() = &_region;
1016 wave->property_cache() = wave_caches[n];
1017 wave->property_cache_updater() = false;
1018 wave->property_channel() = n;
1019 wave->property_length_function() = (gpointer)region_length_from_c;
1020 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1021 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1022 wave->property_x() = 0.0;
1023 wave->property_samples_per_unit() = samples_per_unit;
1024 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1025 wave->property_wave_color() = color_map[cGhostTrackWave];
1026 wave->property_region_start() = _region.start();
1028 ghost->waves.push_back(wave);
1031 ghost->set_height ();
1032 ghost->set_duration (_region.length() / samples_per_unit);
1033 ghosts.push_back (ghost);
1035 ghost->GoingAway.connect (mem_fun(*this, &AudioRegionView::remove_ghost));
1041 AudioRegionView::entered ()
1043 if (gain_line && _flags & EnvelopeVisible) {
1044 gain_line->show_all_control_points ();
1048 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1051 if (fade_in_handle) {
1052 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1053 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1058 AudioRegionView::exited ()
1061 gain_line->hide_all_but_selected_control_points ();
1065 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1068 if (fade_in_handle) {
1069 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1070 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1075 AudioRegionView::envelope_active_changed ()
1078 gain_line->set_line_color (audio_region().envelope_active() ? color_map[cGainLine] : color_map[cGainLineInactive]);
1083 AudioRegionView::set_waveview_data_src()
1086 double unit_length= _region.length() / samples_per_unit;
1088 for (uint32_t n = 0; n < waves.size(); ++n) {
1089 // TODO: something else to let it know the channel
1090 waves[n]->property_data_src() = &_region;
1093 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1095 (*i)->set_duration (unit_length);
1097 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
1098 (*w)->property_data_src() = &_region;
1105 AudioRegionView::color_handler (ColorID id, uint32_t val)
1108 case cMutedWaveForm:
1113 case cGainLineInactive:
1115 envelope_active_changed();
1120 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
1124 case cGhostTrackWave: