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>
34 #include <pbd/stacktrace.h>
36 #include "streamview.h"
37 #include "audio_region_view.h"
38 #include "audio_time_axis.h"
39 #include "simplerect.h"
40 #include "simpleline.h"
42 #include "public_editor.h"
43 #include "audio_region_editor.h"
44 #include "region_gain_line.h"
45 #include "ghostregion.h"
46 #include "audio_time_axis.h"
48 #include "rgb_macros.h"
49 #include "gui_thread.h"
54 using namespace ARDOUR;
56 using namespace Editing;
57 using namespace ArdourCanvas;
59 static const int32_t sync_mark_width = 9;
61 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
62 Gdk::Color& basic_color)
63 : RegionView (parent, tv, r, spu, basic_color)
71 , _amplitude_above_axis(1.0)
77 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
78 Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
79 : RegionView (parent, tv, r, spu, basic_color, visibility)
87 , _amplitude_above_axis(1.0)
94 AudioRegionView::init (Gdk::Color& basic_color, bool wfd)
96 // FIXME: Some redundancy here with RegionView::init. Need to figure out
97 // where order is important and where it isn't...
99 RegionView::init(basic_color, wfd);
103 _amplitude_above_axis = 1.0;
107 if ((node = _region->extra_xml ("GUI")) != 0) {
110 _flags = WaveformVisible;
114 if (trackview.editor.new_regionviews_display_gain()) {
115 _flags |= EnvelopeVisible;
118 compute_colors (basic_color);
122 fade_in_shape = new ArdourCanvas::Polygon (*group);
123 fade_in_shape->property_fill_color_rgba() = fade_color;
124 fade_in_shape->set_data ("regionview", this);
126 fade_out_shape = new ArdourCanvas::Polygon (*group);
127 fade_out_shape->property_fill_color_rgba() = fade_color;
128 fade_out_shape->set_data ("regionview", this);
133 UINT_TO_RGBA(fill_color,&r,&g,&b,&a);
136 fade_in_handle = new ArdourCanvas::SimpleRect (*group);
137 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
138 fade_in_handle->property_outline_pixels() = 0;
139 fade_in_handle->property_y1() = 2.0;
140 fade_in_handle->property_y2() = 7.0;
142 fade_in_handle->set_data ("regionview", this);
144 fade_out_handle = new ArdourCanvas::SimpleRect (*group);
145 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
146 fade_out_handle->property_outline_pixels() = 0;
147 fade_out_handle->property_y1() = 2.0;
148 fade_out_handle->property_y2() = 7.0;
150 fade_out_handle->set_data ("regionview", this);
153 string foo = _region->name();
157 gain_line = new AudioRegionGainLine (foo, trackview.session(), *this, *group, audio_region()->envelope());
159 if (!(_flags & EnvelopeVisible)) {
167 set_height (trackview.height);
170 region_sync_changed ();
171 region_resized (BoundsChanged);
172 set_waveview_data_src();
174 envelope_active_changed ();
175 fade_in_active_changed ();
176 fade_out_active_changed ();
178 _region->StateChanged.connect (mem_fun(*this, &AudioRegionView::region_changed));
180 fade_in_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
181 fade_in_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
182 fade_out_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
183 fade_out_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
187 /* XXX sync mark drag? */
190 AudioRegionView::~AudioRegionView ()
192 in_destructor = true;
194 RegionViewGoingAway (this); /* EMIT_SIGNAL */
196 for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
197 gnome_canvas_waveview_cache_destroy (*cache);
200 /* all waveviews etc will be destroyed when the group is destroyed */
207 boost::shared_ptr<ARDOUR::AudioRegion>
208 AudioRegionView::audio_region() const
210 // "Guaranteed" to succeed...
211 return boost::dynamic_pointer_cast<AudioRegion>(_region);
215 AudioRegionView::region_changed (Change what_changed)
217 ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionView::region_changed), what_changed));
219 RegionView::region_changed(what_changed);
221 if (what_changed & AudioRegion::ScaleAmplitudeChanged) {
222 region_scale_amplitude_changed ();
224 if (what_changed & AudioRegion::FadeInChanged) {
227 if (what_changed & AudioRegion::FadeOutChanged) {
230 if (what_changed & AudioRegion::FadeInActiveChanged) {
231 fade_in_active_changed ();
233 if (what_changed & AudioRegion::FadeOutActiveChanged) {
234 fade_out_active_changed ();
236 if (what_changed & AudioRegion::EnvelopeActiveChanged) {
237 envelope_active_changed ();
242 AudioRegionView::fade_in_changed ()
244 reset_fade_in_shape ();
248 AudioRegionView::fade_out_changed ()
250 reset_fade_out_shape ();
253 AudioRegionView::fade_in_active_changed ()
257 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
259 if (audio_region()->fade_in_active()) {
260 col = RGBA_TO_UINT(r,g,b,120);
261 fade_in_shape->property_fill_color_rgba() = col;
262 fade_in_shape->property_width_pixels() = 0;
263 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
265 col = RGBA_TO_UINT(r,g,b,0);
266 fade_in_shape->property_fill_color_rgba() = col;
267 fade_in_shape->property_width_pixels() = 1;
268 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
273 AudioRegionView::fade_out_active_changed ()
277 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
279 if (audio_region()->fade_out_active()) {
280 col = RGBA_TO_UINT(r,g,b,120);
281 fade_out_shape->property_fill_color_rgba() = col;
282 fade_out_shape->property_width_pixels() = 0;
283 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
285 col = RGBA_TO_UINT(r,g,b,0);
286 fade_out_shape->property_fill_color_rgba() = col;
287 fade_out_shape->property_width_pixels() = 1;
288 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
294 AudioRegionView::region_scale_amplitude_changed ()
296 ENSURE_GUI_THREAD (mem_fun(*this, &AudioRegionView::region_scale_amplitude_changed));
298 for (uint32_t n = 0; n < waves.size(); ++n) {
299 // force a reload of the cache
300 waves[n]->property_data_src() = _region.get();
305 AudioRegionView::region_resized (Change what_changed)
307 RegionView::region_resized(what_changed);
309 if (what_changed & Change (StartChanged|LengthChanged)) {
311 for (uint32_t n = 0; n < waves.size(); ++n) {
312 waves[n]->property_region_start() = _region->start();
315 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
317 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
318 (*w)->property_region_start() = _region->start();
325 AudioRegionView::reset_width_dependent_items (double pixel_width)
327 RegionView::reset_width_dependent_items(pixel_width);
328 assert(_pixel_width == pixel_width);
331 zero_line->property_x2() = pixel_width - 1.0;
334 if (fade_in_handle) {
335 if (pixel_width <= 6.0) {
336 fade_in_handle->hide();
337 fade_out_handle->hide();
340 fade_in_handle->hide();
341 fade_out_handle->hide();
343 fade_in_handle->show();
344 fade_out_handle->show();
349 reset_fade_shapes ();
353 AudioRegionView::region_muted ()
355 RegionView::region_muted();
357 for (uint32_t n=0; n < waves.size(); ++n) {
358 if (_region->muted()) {
359 waves[n]->property_wave_color() = color_map[cMutedWaveForm];
361 waves[n]->property_wave_color() = color_map[cWaveForm];
368 AudioRegionView::set_height (gdouble height)
370 uint32_t wcnt = waves.size();
373 TimeAxisViewItem::set_height (height - 2);
377 for (uint32_t n=0; n < wcnt; ++n) {
380 if ((height) <= NAME_HIGHLIGHT_THRESH) {
381 ht = ((height-2*wcnt) / (double) wcnt);
383 ht = (((height-2*wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
386 gdouble yoff = n * (ht+1);
388 waves[n]->property_height() = ht;
389 waves[n]->property_y() = yoff + 2;
393 if ((height/wcnt) < NAME_HIGHLIGHT_SIZE) {
396 if (_flags & EnvelopeVisible) {
400 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE));
404 reset_fade_shapes ();
407 name_text->raise_to_top();
412 AudioRegionView::manage_zero_line ()
418 if (_height >= 100) {
419 gdouble wave_midpoint = (_height - NAME_HIGHLIGHT_SIZE) / 2.0;
420 zero_line->property_y1() = wave_midpoint;
421 zero_line->property_y2() = wave_midpoint;
429 AudioRegionView::reset_fade_shapes ()
431 reset_fade_in_shape ();
432 reset_fade_out_shape ();
436 AudioRegionView::reset_fade_in_shape ()
438 reset_fade_in_shape_width ((nframes_t) audio_region()->fade_in().back()->when);
442 AudioRegionView::reset_fade_in_shape_width (nframes_t width)
444 if (fade_in_handle == 0) {
448 /* smallest size for a fade is 64 frames */
450 width = std::max ((nframes_t) 64, width);
453 double pwidth = width / samples_per_unit;
454 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
458 fade_in_shape->hide();
459 fade_in_handle->hide();
463 double handle_center;
464 handle_center = pwidth;
466 if (handle_center > 7.0) {
467 handle_center -= 3.0;
472 fade_in_handle->property_x1() = handle_center - 3.0;
473 fade_in_handle->property_x2() = handle_center + 3.0;
476 fade_in_shape->hide();
480 fade_in_shape->show();
482 float curve[npoints];
483 audio_region()->fade_in().get_vector (0, audio_region()->fade_in().back()->when, curve, npoints);
485 points = get_canvas_points ("fade in shape", npoints+3);
487 if (_height > NAME_HIGHLIGHT_THRESH) {
488 h = _height - NAME_HIGHLIGHT_SIZE;
493 /* points *MUST* be in anti-clockwise order */
496 double xdelta = pwidth/npoints;
498 for (pi = 0, pc = 0; pc < npoints; ++pc) {
499 (*points)[pi].set_x(1 + (pc * xdelta));
500 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
505 (*points)[pi].set_x(pwidth);
506 (*points)[pi++].set_y(2);
508 (*points)[pi].set_x(1);
509 (*points)[pi++].set_y(2);
511 /* connect the dots ... */
513 (*points)[pi] = (*points)[0];
515 fade_in_shape->property_points() = *points;
520 AudioRegionView::reset_fade_out_shape ()
522 reset_fade_out_shape_width ((nframes_t) audio_region()->fade_out().back()->when);
526 AudioRegionView::reset_fade_out_shape_width (nframes_t width)
528 if (fade_out_handle == 0) {
532 /* smallest size for a fade is 64 frames */
534 width = std::max ((nframes_t) 64, width);
537 double pwidth = width / samples_per_unit;
538 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
542 fade_out_shape->hide();
543 fade_out_handle->hide();
547 double handle_center;
548 handle_center = (_region->length() - width) / samples_per_unit;
550 if (handle_center > 7.0) {
551 handle_center -= 3.0;
556 fade_out_handle->property_x1() = handle_center - 3.0;
557 fade_out_handle->property_x2() = handle_center + 3.0;
559 /* don't show shape if its too small */
562 fade_out_shape->hide();
566 fade_out_shape->show();
568 float curve[npoints];
569 audio_region()->fade_out().get_vector (0, audio_region()->fade_out().back()->when, curve, npoints);
571 if (_height > NAME_HIGHLIGHT_THRESH) {
572 h = _height - NAME_HIGHLIGHT_SIZE;
577 /* points *MUST* be in anti-clockwise order */
579 points = get_canvas_points ("fade out shape", npoints+3);
582 double xdelta = pwidth/npoints;
584 for (pi = 0, pc = 0; pc < npoints; ++pc) {
585 (*points)[pi].set_x(_pixel_width - 1 - pwidth + (pc*xdelta));
586 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
591 (*points)[pi].set_x(_pixel_width);
592 (*points)[pi++].set_y(h);
594 (*points)[pi].set_x(_pixel_width);
595 (*points)[pi++].set_y(2);
597 /* connect the dots ... */
599 (*points)[pi] = (*points)[0];
601 fade_out_shape->property_points() = *points;
606 AudioRegionView::set_samples_per_unit (gdouble spu)
608 RegionView::set_samples_per_unit (spu);
610 if (_flags & WaveformVisible) {
611 for (uint32_t n=0; n < waves.size(); ++n) {
612 waves[n]->property_samples_per_unit() = spu;
620 reset_fade_shapes ();
624 AudioRegionView::set_amplitude_above_axis (gdouble spp)
626 for (uint32_t n=0; n < waves.size(); ++n) {
627 waves[n]->property_amplitude_above_axis() = spp;
632 AudioRegionView::compute_colors (Gdk::Color& basic_color)
634 RegionView::compute_colors(basic_color);
638 /* gain color computed in envelope_active_changed() */
640 UINT_TO_RGBA (fill_color, &r, &g, &b, &a);
641 fade_color = RGBA_TO_UINT(r,g,b,120);
645 AudioRegionView::set_colors ()
647 RegionView::set_colors();
650 gain_line->set_line_color (audio_region()->envelope_active() ? color_map[cGainLine] : color_map[cGainLineInactive]);
653 for (uint32_t n=0; n < waves.size(); ++n) {
654 if (_region->muted()) {
655 waves[n]->property_wave_color() = color_map[cMutedWaveForm];
657 waves[n]->property_wave_color() = color_map[cWaveForm];
663 AudioRegionView::show_region_editor ()
666 editor = new AudioRegionEditor (trackview.session(), audio_region(), *this);
667 // GTK2FIX : how to ensure float without realizing
668 // editor->realize ();
669 // trackview.editor.ensure_float (*editor);
677 AudioRegionView::set_waveform_visible (bool yn)
679 if (((_flags & WaveformVisible) != yn)) {
681 for (uint32_t n=0; n < waves.size(); ++n) {
682 /* make sure the zoom level is correct, since we don't update
683 this when waveforms are hidden.
685 waves[n]->property_samples_per_unit() = samples_per_unit;
688 _flags |= WaveformVisible;
690 for (uint32_t n=0; n < waves.size(); ++n) {
693 _flags &= ~WaveformVisible;
700 AudioRegionView::temporarily_hide_envelope ()
708 AudioRegionView::unhide_envelope ()
710 if (gain_line && (_flags & EnvelopeVisible)) {
716 AudioRegionView::set_envelope_visible (bool yn)
718 if (gain_line && ((_flags & EnvelopeVisible) != yn)) {
721 _flags |= EnvelopeVisible;
724 _flags &= ~EnvelopeVisible;
731 AudioRegionView::create_waves ()
733 bool create_zero_line = true;
735 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
737 if (!atv.get_diskstream()) {
741 uint32_t nchans = atv.get_diskstream()->n_channels();
743 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
744 for (uint32_t n = 0; n < nchans; ++n) {
745 tmp_waves.push_back (0);
748 for (uint32_t n = 0; n < nchans; ++n) {
750 if (n >= audio_region()->n_channels()) {
754 wave_caches.push_back (WaveView::create_cache ());
757 if (audio_region()->source(n)->peaks_ready (bind (mem_fun(*this, &AudioRegionView::peaks_ready_handler), n), data_ready_connection)) {
758 create_one_wave (n, true);
760 create_zero_line = false;
763 create_one_wave (n, true);
767 if (create_zero_line) {
771 zero_line = new ArdourCanvas::SimpleLine (*group);
772 zero_line->property_x1() = (gdouble) 1.0;
773 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
774 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
780 AudioRegionView::create_one_wave (uint32_t which, bool direct)
782 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
783 uint32_t nchans = atv.get_diskstream()->n_channels();
785 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
788 if (trackview.height < NAME_HIGHLIGHT_SIZE) {
789 ht = ((trackview.height) / (double) nchans);
791 ht = ((trackview.height - NAME_HIGHLIGHT_SIZE) / (double) nchans);
794 gdouble yoff = which * ht;
796 WaveView *wave = new WaveView(*group);
798 wave->property_data_src() = (gpointer) _region.get();
799 wave->property_cache() = wave_caches[which];
800 wave->property_cache_updater() = true;
801 wave->property_channel() = which;
802 wave->property_length_function() = (gpointer) region_length_from_c;
803 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
804 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
805 wave->property_x() = 0.0;
806 wave->property_y() = yoff;
807 wave->property_height() = (double) ht;
808 wave->property_samples_per_unit() = samples_per_unit;
809 wave->property_amplitude_above_axis() = _amplitude_above_axis;
810 wave->property_wave_color() = _region->muted() ? color_map[cMutedWaveForm] : color_map[cWaveForm];
811 wave->property_region_start() = _region->start();
812 wave->property_rectified() = (bool) (_flags & WaveformRectified);
813 wave->property_logscaled() = (bool) (_flags & WaveformLogScaled);
815 if (!(_flags & WaveformVisible)) {
819 /* note: calling this function is serialized by the lock
820 held in the peak building thread that signals that
821 peaks are ready for use *or* by the fact that it is
822 called one by one from the GUI thread.
825 if (which < nchans) {
826 tmp_waves[which] = wave;
828 /* n-channel track, >n-channel source */
831 /* see if we're all ready */
833 for (n = 0; n < nchans; ++n) {
834 if (tmp_waves[n] == 0) {
839 if (n == nwaves && waves.empty()) {
840 /* all waves are ready */
841 tmp_waves.resize(nwaves);
846 /* all waves created, don't hook into peaks ready anymore */
847 data_ready_connection.disconnect ();
850 zero_line = new ArdourCanvas::SimpleLine (*group);
851 zero_line->property_x1() = (gdouble) 1.0;
852 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
853 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
860 AudioRegionView::peaks_ready_handler (uint32_t which)
862 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
866 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
868 if (gain_line == 0) {
874 /* don't create points that can't be seen */
876 set_envelope_visible (true);
883 nframes_t fx = trackview.editor.pixel_to_frame (x);
885 if (fx > _region->length()) {
889 /* compute vertical fractional position */
891 y = 1.0 - (y / (trackview.height - NAME_HIGHLIGHT_SIZE));
893 /* map using gain line */
895 gain_line->view_to_model_y (y);
897 trackview.session().begin_reversible_command (_("add gain control point"));
898 XMLNode &before = audio_region()->envelope().get_state();
900 if (!audio_region()->envelope_active()) {
901 XMLNode ®ion_before = audio_region()->get_state();
902 audio_region()->set_envelope_active(true);
903 XMLNode ®ion_after = audio_region()->get_state();
904 trackview.session().add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
907 audio_region()->envelope().add (fx, y);
909 XMLNode &after = audio_region()->envelope().get_state();
910 trackview.session().add_command (new MementoCommand<Curve>(audio_region()->envelope(), &before, &after));
911 trackview.session().commit_reversible_command ();
915 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
917 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
918 audio_region()->envelope().erase (cp->model);
922 AudioRegionView::store_flags()
924 XMLNode *node = new XMLNode ("GUI");
926 node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no");
927 node->add_property ("envelope-visible", (_flags & EnvelopeVisible) ? "yes" : "no");
928 node->add_property ("waveform-rectified", (_flags & WaveformRectified) ? "yes" : "no");
929 node->add_property ("waveform-logscaled", (_flags & WaveformLogScaled) ? "yes" : "no");
931 _region->add_extra_xml (*node);
935 AudioRegionView::set_flags (XMLNode* node)
939 if ((prop = node->property ("waveform-visible")) != 0) {
940 if (prop->value() == "yes") {
941 _flags |= WaveformVisible;
945 if ((prop = node->property ("envelope-visible")) != 0) {
946 if (prop->value() == "yes") {
947 _flags |= EnvelopeVisible;
951 if ((prop = node->property ("waveform-rectified")) != 0) {
952 if (prop->value() == "yes") {
953 _flags |= WaveformRectified;
957 if ((prop = node->property ("waveform-logscaled")) != 0) {
958 if (prop->value() == "yes") {
959 _flags |= WaveformLogScaled;
965 AudioRegionView::set_waveform_shape (WaveformShape shape)
969 /* this slightly odd approach is to leave the door open to
970 other "shapes" such as spectral displays, etc.
983 if (yn != (bool) (_flags & WaveformRectified)) {
984 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
985 (*wave)->property_rectified() = yn;
997 _flags |= WaveformRectified;
999 _flags &= ~WaveformRectified;
1006 AudioRegionView::set_waveform_scale (WaveformScale scale)
1008 bool yn = (scale == LogWaveform);
1010 if (yn != (bool) (_flags & WaveformLogScaled)) {
1011 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1012 (*wave)->property_logscaled() = yn;
1016 _flags |= WaveformLogScaled;
1018 _flags &= ~WaveformLogScaled;
1026 AudioRegionView::add_ghost (AutomationTimeAxisView& atv)
1028 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1031 double unit_position = _region->position () / samples_per_unit;
1032 GhostRegion* ghost = new GhostRegion (atv, unit_position);
1035 nchans = rtv->get_diskstream()->n_channels();
1037 for (uint32_t n = 0; n < nchans; ++n) {
1039 if (n >= audio_region()->n_channels()) {
1043 WaveView *wave = new WaveView(*ghost->group);
1045 wave->property_data_src() = _region.get();
1046 wave->property_cache() = wave_caches[n];
1047 wave->property_cache_updater() = false;
1048 wave->property_channel() = n;
1049 wave->property_length_function() = (gpointer)region_length_from_c;
1050 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1051 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1052 wave->property_x() = 0.0;
1053 wave->property_samples_per_unit() = samples_per_unit;
1054 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1055 wave->property_wave_color() = color_map[cGhostTrackWave];
1056 wave->property_region_start() = _region->start();
1058 ghost->waves.push_back(wave);
1061 ghost->set_height ();
1062 ghost->set_duration (_region->length() / samples_per_unit);
1063 ghosts.push_back (ghost);
1065 ghost->GoingAway.connect (mem_fun(*this, &AudioRegionView::remove_ghost));
1071 AudioRegionView::entered ()
1073 if (gain_line && _flags & EnvelopeVisible) {
1074 gain_line->show_all_control_points ();
1078 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1081 if (fade_in_handle) {
1082 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1083 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1088 AudioRegionView::exited ()
1091 gain_line->hide_all_but_selected_control_points ();
1095 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1098 if (fade_in_handle) {
1099 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1100 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1105 AudioRegionView::envelope_active_changed ()
1108 gain_line->set_line_color (audio_region()->envelope_active() ? color_map[cGainLine] : color_map[cGainLineInactive]);
1113 AudioRegionView::set_waveview_data_src()
1116 double unit_length= _region->length() / samples_per_unit;
1118 for (uint32_t n = 0; n < waves.size(); ++n) {
1119 // TODO: something else to let it know the channel
1120 waves[n]->property_data_src() = _region.get();
1123 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1125 (*i)->set_duration (unit_length);
1127 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
1128 (*w)->property_data_src() = _region.get();
1135 AudioRegionView::color_handler (ColorID id, uint32_t val)
1138 case cMutedWaveForm:
1143 case cGainLineInactive:
1145 envelope_active_changed();
1150 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
1154 case cGhostTrackWave: