2 Copyright (C) 2001-2006 Paul Davis
4 This program is free software; you can r>edistribute 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.
23 #include <boost/scoped_array.hpp>
24 #include <boost/scoped_ptr.hpp>
28 #include <gtkmm2ext/gtk_ui.h>
30 #include "ardour/playlist.h"
31 #include "ardour/audioregion.h"
32 #include "ardour/audiosource.h"
33 #include "ardour/profile.h"
34 #include "ardour/session.h"
36 #include "pbd/memento_command.h"
37 #include "pbd/stacktrace.h"
39 #include "evoral/Curve.hpp"
41 #include "streamview.h"
42 #include "audio_region_view.h"
43 #include "audio_time_axis.h"
44 #include "simplerect.h"
45 #include "simpleline.h"
47 #include "public_editor.h"
48 #include "audio_region_editor.h"
49 #include "audio_streamview.h"
50 #include "region_gain_line.h"
51 #include "control_point.h"
52 #include "ghostregion.h"
53 #include "audio_time_axis.h"
55 #include "rgb_macros.h"
56 #include "gui_thread.h"
57 #include "ardour_ui.h"
61 #define MUTED_ALPHA 10
64 using namespace ARDOUR;
66 using namespace Editing;
67 using namespace ArdourCanvas;
69 static const int32_t sync_mark_width = 9;
70 static double const handle_size = 6; /* height of fade handles */
72 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
73 Gdk::Color const & basic_color)
74 : RegionView (parent, tv, r, spu, basic_color)
80 , fade_position_line(0)
83 , start_xfade_rect (0)
84 , _start_xfade_visible (false)
88 , _end_xfade_visible (false)
89 , _amplitude_above_axis(1.0)
92 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
95 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
96 Gdk::Color const & basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
97 : RegionView (parent, tv, r, spu, basic_color, recording, visibility)
103 , fade_position_line(0)
105 , start_xfade_out (0)
106 , start_xfade_rect (0)
107 , _start_xfade_visible (false)
111 , _end_xfade_visible (false)
112 , _amplitude_above_axis(1.0)
115 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
118 AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr<AudioRegion> other_region)
119 : RegionView (other, boost::shared_ptr<Region> (other_region))
124 , fade_position_line(0)
126 , start_xfade_out (0)
127 , start_xfade_rect (0)
128 , _start_xfade_visible (false)
132 , _end_xfade_visible (false)
133 , _amplitude_above_axis (other._amplitude_above_axis)
139 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
140 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
144 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
148 AudioRegionView::init (Gdk::Color const & basic_color, bool wfd)
150 // FIXME: Some redundancy here with RegionView::init. Need to figure out
151 // where order is important and where it isn't...
153 RegionView::init (basic_color, wfd);
155 _amplitude_above_axis = 1.0;
157 compute_colors (basic_color);
161 fade_in_shape = new ArdourCanvas::Polygon (*group);
162 fade_in_shape->property_fill_color_rgba() = fade_color;
163 fade_in_shape->set_data ("regionview", this);
165 fade_out_shape = new ArdourCanvas::Polygon (*group);
166 fade_out_shape->property_fill_color_rgba() = fade_color;
167 fade_out_shape->set_data ("regionview", this);
170 fade_in_handle = new ArdourCanvas::SimpleRect (*group);
171 fade_in_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fill_color, 0);
172 fade_in_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0);
174 fade_in_handle->set_data ("regionview", this);
176 fade_out_handle = new ArdourCanvas::SimpleRect (*group);
177 fade_out_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fill_color, 0);
178 fade_out_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0);
180 fade_out_handle->set_data ("regionview", this);
182 fade_position_line = new ArdourCanvas::SimpleLine (*group);
183 fade_position_line->property_color_rgba() = 0xBBBBBBAA;
184 fade_position_line->property_y1() = 7;
185 fade_position_line->property_y2() = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
187 fade_position_line->hide();
190 setup_fade_handle_positions ();
192 if (!trackview.session()->config.get_show_region_fades()) {
193 set_fade_visibility (false);
196 const string line_name = _region->name() + ":gain";
198 if (!Profile->get_sae()) {
199 gain_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope()));
202 update_envelope_visibility ();
205 set_height (trackview.current_height());
208 region_sync_changed ();
210 region_resized (ARDOUR::bounds_change);
211 set_waveview_data_src();
213 envelope_active_changed ();
214 fade_in_active_changed ();
215 fade_out_active_changed ();
217 reset_width_dependent_items (_pixel_width);
219 fade_in_shape->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
220 if (fade_in_handle) {
221 fade_in_handle->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
224 fade_out_shape->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
226 if (fade_out_handle) {
227 fade_out_handle->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
232 setup_waveform_visibility ();
233 setup_waveform_shape ();
234 setup_waveform_scale ();
236 /* XXX sync mark drag? */
239 AudioRegionView::~AudioRegionView ()
241 in_destructor = true;
243 RegionViewGoingAway (this); /* EMIT_SIGNAL */
245 for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
246 gnome_canvas_waveview_cache_destroy (*cache);
249 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
253 for (list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
254 delete ((*i).second);
257 /* all waveviews etc will be destroyed when the group is destroyed */
260 boost::shared_ptr<ARDOUR::AudioRegion>
261 AudioRegionView::audio_region() const
263 // "Guaranteed" to succeed...
264 return boost::dynamic_pointer_cast<AudioRegion>(_region);
268 AudioRegionView::region_changed (const PropertyChange& what_changed)
270 ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed);
271 cerr << "AudioRegionView::region_changed() called" << endl;
273 RegionView::region_changed (what_changed);
275 if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
276 region_scale_amplitude_changed ();
278 if (what_changed.contains (ARDOUR::Properties::fade_in)) {
279 cerr << region()->name() << " in changed\n";
280 stacktrace (cerr, 40);
283 if (what_changed.contains (ARDOUR::Properties::fade_out)) {
284 cerr << region()->name() << " out changed\n";
287 if (what_changed.contains (ARDOUR::Properties::fade_in_active)) {
288 cerr << region()->name() << " in active changed\n";
289 fade_in_active_changed ();
291 if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
292 cerr << region()->name() << " out active changed\n";
293 fade_out_active_changed ();
295 if (what_changed.contains (ARDOUR::Properties::fade_in_is_xfade)) {
296 cerr << region()->name() << " in is xfade changed\n";
299 if (what_changed.contains (ARDOUR::Properties::fade_out_is_xfade)) {
300 cerr << region()->name() << " out is xfade changed\n";
303 if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
304 envelope_active_changed ();
306 if (what_changed.contains (ARDOUR::Properties::valid_transients)) {
307 transients_changed ();
312 AudioRegionView::fade_in_changed ()
314 reset_fade_in_shape ();
318 AudioRegionView::fade_out_changed ()
320 reset_fade_out_shape ();
324 AudioRegionView::fade_in_active_changed ()
326 if (audio_region()->fade_in_active()) {
327 fade_in_shape->property_fill_color_rgba() = RGBA_TO_UINT(45,45,45,90); // FIXME make a themeable colour
328 fade_in_shape->property_width_pixels() = 1;
330 fade_in_shape->property_fill_color_rgba() = RGBA_TO_UINT(45,45,45,20); // FIXME make a themeable colour
331 fade_in_shape->property_width_pixels() = 1;
336 AudioRegionView::fade_out_active_changed ()
338 if (audio_region()->fade_out_active()) {
339 fade_out_shape->property_fill_color_rgba() = RGBA_TO_UINT(45,45,45,90); // FIXME make a themeable colour
340 fade_out_shape->property_width_pixels() = 1;
342 fade_out_shape->property_fill_color_rgba() = RGBA_TO_UINT(45,45,45,20); // FIXME make a themeable colour
343 fade_out_shape->property_width_pixels() = 1;
349 AudioRegionView::region_scale_amplitude_changed ()
351 ENSURE_GUI_THREAD (*this, &AudioRegionView::region_scale_amplitude_changed)
353 for (uint32_t n = 0; n < waves.size(); ++n) {
354 // force a reload of the cache
355 waves[n]->property_data_src() = _region.get();
360 AudioRegionView::region_renamed ()
362 std::string str = RegionView::make_name ();
364 if (audio_region()->speed_mismatch (trackview.session()->frame_rate())) {
365 str = string ("*") + str;
368 if (_region->muted()) {
369 str = string ("!") + str;
372 set_item_name (str, this);
377 AudioRegionView::region_resized (const PropertyChange& what_changed)
379 AudioGhostRegion* agr;
381 RegionView::region_resized(what_changed);
382 PropertyChange interesting_stuff;
384 interesting_stuff.add (ARDOUR::Properties::start);
385 interesting_stuff.add (ARDOUR::Properties::length);
387 if (what_changed.contains (interesting_stuff)) {
389 for (uint32_t n = 0; n < waves.size(); ++n) {
390 waves[n]->property_region_start() = _region->start();
393 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
394 if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
396 for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
397 (*w)->property_region_start() = _region->start();
402 /* hide transient lines that extend beyond the region end */
404 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
406 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
407 if (l->first > _region->length() - 1) {
417 AudioRegionView::reset_width_dependent_items (double pixel_width)
419 RegionView::reset_width_dependent_items(pixel_width);
420 assert(_pixel_width == pixel_width);
422 if (fade_in_handle) {
423 if (pixel_width <= 6.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
424 fade_in_handle->hide();
425 fade_out_handle->hide();
428 fade_in_handle->show();
429 fade_out_handle->show();
433 AnalysisFeatureList analysis_features = _region->transients();
434 AnalysisFeatureList::const_iterator i;
436 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
438 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
440 float x_pos = trackview.editor().frame_to_pixel (*i);
442 ArdourCanvas::Points points;
443 points.push_back(Gnome::Art::Point(x_pos, 2.0)); // first x-coord needs to be a non-normal value
444 points.push_back(Gnome::Art::Point(x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
447 (*l).second->property_points() = points;
450 reset_fade_shapes ();
454 AudioRegionView::region_muted ()
456 RegionView::region_muted();
458 for (uint32_t n=0; n < waves.size(); ++n) {
459 if (_region->muted()) {
460 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
462 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
468 AudioRegionView::setup_fade_handle_positions()
470 /* position of fade handle offset from the top of the region view */
471 double const handle_pos = 2;
473 if (fade_in_handle) {
474 fade_in_handle->property_y1() = handle_pos;
475 fade_in_handle->property_y2() = handle_pos + handle_size;
478 if (fade_out_handle) {
479 fade_out_handle->property_y1() = handle_pos;
480 fade_out_handle->property_y2() = handle_pos + handle_size;
485 AudioRegionView::set_height (gdouble height)
487 RegionView::set_height (height);
489 uint32_t wcnt = waves.size();
491 for (uint32_t n = 0; n < wcnt; ++n) {
494 if (height < NAME_HIGHLIGHT_THRESH) {
495 ht = ((height - 2 * wcnt) / (double) wcnt);
497 ht = (((height - 2 * wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
500 gdouble yoff = n * (ht + 1);
502 waves[n]->property_height() = ht;
503 waves[n]->property_y() = yoff + 2;
508 if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) {
511 update_envelope_visibility ();
514 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2);
517 reset_fade_shapes ();
519 /* Update hights for any active feature lines */
520 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
522 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
524 float pos_x = trackview.editor().frame_to_pixel((*l).first);
526 ArdourCanvas::Points points;
528 points.push_back(Gnome::Art::Point(pos_x, 2.0)); // first x-coord needs to be a non-normal value
529 points.push_back(Gnome::Art::Point(pos_x, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
531 (*l).second->property_points() = points;
534 if (fade_position_line) {
536 if (height < NAME_HIGHLIGHT_THRESH) {
537 fade_position_line->property_y2() = _height - 1;
540 fade_position_line->property_y2() = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
545 name_pixbuf->raise_to_top();
550 AudioRegionView::reset_fade_shapes ()
552 reset_fade_in_shape ();
553 reset_fade_out_shape ();
557 AudioRegionView::reset_fade_in_shape ()
559 reset_fade_in_shape_width ((framecnt_t) audio_region()->fade_in()->back()->when);
563 AudioRegionView::reset_fade_in_shape_width (framecnt_t width)
569 if (audio_region()->fade_in_is_xfade()) {
570 if (fade_in_handle) {
571 fade_in_handle->hide ();
572 fade_in_shape->hide ();
574 redraw_start_xfade ();
577 if (start_xfade_in) {
578 start_xfade_in->hide ();
579 start_xfade_out->hide ();
580 start_xfade_rect->hide ();
581 _start_xfade_visible = false;
585 if (fade_in_handle == 0) {
589 fade_in_handle->show ();
591 /* smallest size for a fade is 64 frames */
593 width = std::max ((framecnt_t) 64, width);
597 /* round here to prevent little visual glitches with sub-pixel placement */
598 double const pwidth = rint (width / samples_per_unit);
599 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
603 fade_in_shape->hide();
604 fade_in_handle->hide();
608 double const handle_center = pwidth;
610 /* Put the fade in handle so that its left side is at the end-of-fade line */
611 fade_in_handle->property_x1() = handle_center;
612 fade_in_handle->property_x2() = handle_center + handle_size;
615 fade_in_shape->hide();
619 if (trackview.session()->config.get_show_region_fades()) {
620 fade_in_shape->show();
623 float curve[npoints];
624 audio_region()->fade_in()->curve().get_vector (0, audio_region()->fade_in()->back()->when, curve, npoints);
626 points = get_canvas_points ("fade in shape", npoints + 3);
628 if (_height >= NAME_HIGHLIGHT_THRESH) {
629 h = _height - NAME_HIGHLIGHT_SIZE - 2;
634 /* points *MUST* be in anti-clockwise order */
637 double xdelta = pwidth/npoints;
639 for (pi = 0, pc = 0; pc < npoints; ++pc) {
640 (*points)[pi].set_x(1 + (pc * xdelta));
641 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
646 (*points)[pi].set_x(pwidth);
647 (*points)[pi++].set_y(2);
649 (*points)[pi].set_x(1);
650 (*points)[pi++].set_y(2);
652 /* connect the dots ... */
654 (*points)[pi] = (*points)[0];
656 fade_in_shape->property_points() = *points;
659 /* ensure trim handle stays on top */
660 if (frame_handle_start) {
661 frame_handle_start->raise_to_top();
666 AudioRegionView::reset_fade_out_shape ()
668 reset_fade_out_shape_width ((framecnt_t) audio_region()->fade_out()->back()->when);
672 AudioRegionView::reset_fade_out_shape_width (framecnt_t width)
674 if (dragging() && audio_region()->fade_out_is_xfade()) {
675 /* we hide xfades while dragging regions */
679 if (audio_region()->fade_out_is_xfade()) {
680 if (fade_out_handle) {
681 fade_out_handle->hide ();
682 fade_out_shape->hide ();
688 end_xfade_in->hide ();
689 end_xfade_out->hide ();
690 end_xfade_rect->hide ();
691 _end_xfade_visible = false;
695 if (fade_out_handle == 0) {
699 fade_out_handle->show ();
701 /* smallest size for a fade is 64 frames */
703 width = std::max ((framecnt_t) 64, width);
707 /* round here to prevent little visual glitches with sub-pixel placement */
708 double const pwidth = rint (width / samples_per_unit);
709 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
713 fade_out_shape->hide();
714 fade_out_handle->hide();
718 double const handle_center = (_region->length() - width) / samples_per_unit;
720 /* Put the fade out handle so that its right side is at the end-of-fade line;
721 * it's `one out' for precise pixel accuracy.
723 fade_out_handle->property_x1() = handle_center - 5;
724 fade_out_handle->property_x2() = handle_center + 1;
726 /* don't show shape if its too small */
729 fade_out_shape->hide();
733 if (trackview.session()->config.get_show_region_fades()) {
734 fade_out_shape->show();
737 float curve[npoints];
738 audio_region()->fade_out()->curve().get_vector (0, audio_region()->fade_out()->back()->when, curve, npoints);
740 if (_height >= NAME_HIGHLIGHT_THRESH) {
741 h = _height - NAME_HIGHLIGHT_SIZE - 2;
746 /* points *MUST* be in anti-clockwise order */
748 points = get_canvas_points ("fade out shape", npoints + 3);
751 double xdelta = pwidth/npoints;
753 for (pi = 0, pc = 0; pc < npoints; ++pc) {
754 (*points)[pi].set_x(_pixel_width - pwidth + (pc * xdelta));
755 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
760 (*points)[pi].set_x(_pixel_width);
761 (*points)[pi++].set_y(h);
763 (*points)[pi].set_x(_pixel_width);
764 (*points)[pi++].set_y(2);
766 /* connect the dots ... */
768 (*points)[pi] = (*points)[0];
770 fade_out_shape->property_points() = *points;
773 /* ensure trim handle stays on top */
774 if (frame_handle_end) {
775 frame_handle_end->raise_to_top();
780 AudioRegionView::set_samples_per_unit (gdouble spu)
782 RegionView::set_samples_per_unit (spu);
784 if (Config->get_show_waveforms ()) {
785 for (uint32_t n = 0; n < waves.size(); ++n) {
786 waves[n]->property_samples_per_unit() = spu;
794 reset_fade_shapes ();
798 AudioRegionView::set_amplitude_above_axis (gdouble spp)
800 for (uint32_t n=0; n < waves.size(); ++n) {
801 waves[n]->property_amplitude_above_axis() = spp;
806 AudioRegionView::compute_colors (Gdk::Color const & basic_color)
808 RegionView::compute_colors (basic_color);
810 /* gain color computed in envelope_active_changed() */
812 fade_color = UINT_RGBA_CHANGE_A (fill_color, 120);
816 AudioRegionView::set_colors ()
818 RegionView::set_colors();
821 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
824 for (uint32_t n=0; n < waves.size(); ++n) {
825 if (_region->muted()) {
826 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
828 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
831 waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
832 waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
837 AudioRegionView::setup_waveform_visibility ()
839 if (Config->get_show_waveforms ()) {
840 for (uint32_t n = 0; n < waves.size(); ++n) {
841 /* make sure the zoom level is correct, since we don't update
842 this when waveforms are hidden.
844 waves[n]->property_samples_per_unit() = samples_per_unit;
848 for (uint32_t n = 0; n < waves.size(); ++n) {
855 AudioRegionView::temporarily_hide_envelope ()
863 AudioRegionView::unhide_envelope ()
865 update_envelope_visibility ();
869 AudioRegionView::update_envelope_visibility ()
875 if (Config->get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseGain) {
876 gain_line->add_visibility (AutomationLine::Line);
883 AudioRegionView::create_waves ()
885 // cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
886 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
892 ChanCount nchans = atv.track()->n_channels();
894 // cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
895 // << " and channels = " << nchans.n_audio() << endl;
897 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
898 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
899 tmp_waves.push_back (0);
902 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
906 _data_ready_connections.clear ();
908 for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
909 _data_ready_connections.push_back (0);
912 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
914 if (n >= audio_region()->n_channels()) {
918 wave_caches.push_back (WaveView::create_cache ());
920 // cerr << "\tchannel " << n << endl;
923 if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
924 // cerr << "\tData is ready\n";
925 create_one_wave (n, true);
927 // cerr << "\tdata is not ready\n";
928 // we'll get a PeaksReady signal from the source in the future
929 // and will call create_one_wave(n) then.
933 // cerr << "\tdon't delay, display today!\n";
934 create_one_wave (n, true);
941 AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
943 //cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
944 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
945 uint32_t nchans = atv.track()->n_channels().n_audio();
947 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
950 if (trackview.current_height() < NAME_HIGHLIGHT_THRESH) {
951 ht = ((trackview.current_height()) / (double) nchans);
953 ht = ((trackview.current_height() - NAME_HIGHLIGHT_SIZE) / (double) nchans);
956 gdouble yoff = which * ht;
958 WaveView *wave = new WaveView(*group);
960 wave->property_data_src() = (gpointer) _region.get();
961 wave->property_cache() = wave_caches[which];
962 wave->property_cache_updater() = true;
963 wave->property_channel() = which;
964 wave->property_length_function() = (gpointer) region_length_from_c;
965 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
966 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
967 wave->property_x() = 0.0;
968 wave->property_y() = yoff;
969 wave->property_height() = (double) ht;
970 wave->property_samples_per_unit() = samples_per_unit;
971 wave->property_amplitude_above_axis() = _amplitude_above_axis;
974 wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_RecWaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_RecWaveForm.get();
975 wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_RecWaveFormFill.get();
977 wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_WaveForm.get();
978 wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
981 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
982 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
983 wave->property_zero_line() = true;
984 wave->property_region_start() = _region->start();
985 wave->property_rectified() = Config->get_waveform_shape() == Rectified;
986 wave->property_logscaled() = Config->get_waveform_scale() == Logarithmic;
988 if (!Config->get_show_waveforms ()) {
992 /* note: calling this function is serialized by the lock
993 held in the peak building thread that signals that
994 peaks are ready for use *or* by the fact that it is
995 called one by one from the GUI thread.
998 if (which < nchans) {
999 tmp_waves[which] = wave;
1001 /* n-channel track, >n-channel source */
1004 /* see if we're all ready */
1006 for (n = 0; n < nchans; ++n) {
1007 if (tmp_waves[n] == 0) {
1012 if (n == nwaves && waves.empty()) {
1013 /* all waves are ready */
1014 tmp_waves.resize(nwaves);
1019 /* all waves created, don't hook into peaks ready anymore */
1020 delete _data_ready_connections[which];
1021 _data_ready_connections[which] = 0;
1026 AudioRegionView::peaks_ready_handler (uint32_t which)
1028 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AudioRegionView::create_one_wave, this, which, false));
1029 // cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
1033 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
1041 /* don't create points that can't be seen */
1043 update_envelope_visibility ();
1050 framepos_t fx = trackview.editor().pixel_to_frame (x);
1052 if (fx > _region->length()) {
1056 /* compute vertical fractional position */
1058 y = 1.0 - (y / (_height - NAME_HIGHLIGHT_SIZE));
1060 /* map using gain line */
1062 gain_line->view_to_model_coord (x, y);
1064 /* XXX STATEFUL: can't convert to stateful diff until we
1065 can represent automation data with it.
1068 trackview.session()->begin_reversible_command (_("add gain control point"));
1069 XMLNode &before = audio_region()->envelope()->get_state();
1071 if (!audio_region()->envelope_active()) {
1072 XMLNode ®ion_before = audio_region()->get_state();
1073 audio_region()->set_envelope_active(true);
1074 XMLNode ®ion_after = audio_region()->get_state();
1075 trackview.session()->add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
1078 audio_region()->envelope()->add (fx, y);
1080 XMLNode &after = audio_region()->envelope()->get_state();
1081 trackview.session()->add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
1082 trackview.session()->commit_reversible_command ();
1086 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent */*ev*/)
1088 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
1089 audio_region()->envelope()->erase (cp->model());
1093 AudioRegionView::setup_waveform_shape ()
1095 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1096 (*wave)->property_rectified() = Config->get_waveform_shape() == Rectified;
1101 AudioRegionView::setup_waveform_scale ()
1103 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1104 (*wave)->property_logscaled() = Config->get_waveform_scale() == Logarithmic;
1110 AudioRegionView::add_ghost (TimeAxisView& tv)
1112 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1115 double unit_position = _region->position () / samples_per_unit;
1116 AudioGhostRegion* ghost = new AudioGhostRegion (tv, trackview, unit_position);
1119 nchans = rtv->track()->n_channels().n_audio();
1121 for (uint32_t n = 0; n < nchans; ++n) {
1123 if (n >= audio_region()->n_channels()) {
1127 WaveView *wave = new WaveView(*ghost->group);
1129 wave->property_data_src() = _region.get();
1130 wave->property_cache() = wave_caches[n];
1131 wave->property_cache_updater() = false;
1132 wave->property_channel() = n;
1133 wave->property_length_function() = (gpointer)region_length_from_c;
1134 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1135 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1136 wave->property_x() = 0.0;
1137 wave->property_samples_per_unit() = samples_per_unit;
1138 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1140 wave->property_region_start() = _region->start();
1142 ghost->waves.push_back(wave);
1145 ghost->set_height ();
1146 ghost->set_duration (_region->length() / samples_per_unit);
1147 ghost->set_colors();
1148 ghosts.push_back (ghost);
1154 AudioRegionView::entered (bool internal_editing)
1156 trackview.editor().set_current_trimmable (_region);
1157 trackview.editor().set_current_movable (_region);
1159 if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) {
1160 gain_line->add_visibility (AutomationLine::ControlPoints);
1163 if (fade_in_handle && !internal_editing) {
1164 fade_in_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 255);
1165 fade_in_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fade_color, 255);
1166 fade_out_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 255);
1167 fade_out_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fade_color, 255);
1172 AudioRegionView::exited ()
1174 trackview.editor().set_current_trimmable (boost::shared_ptr<Trimmable>());
1175 trackview.editor().set_current_movable (boost::shared_ptr<Movable>());
1177 if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) {
1178 gain_line->remove_visibility (AutomationLine::ControlPoints);
1181 if (fade_in_handle) {
1182 fade_in_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0);
1183 fade_in_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fade_color, 0);
1184 fade_out_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0);
1185 fade_out_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fade_color, 0);
1190 AudioRegionView::envelope_active_changed ()
1193 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
1198 AudioRegionView::set_waveview_data_src()
1200 AudioGhostRegion* agr;
1201 double unit_length= _region->length() / samples_per_unit;
1203 for (uint32_t n = 0; n < waves.size(); ++n) {
1204 // TODO: something else to let it know the channel
1205 waves[n]->property_data_src() = _region.get();
1208 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1210 (*i)->set_duration (unit_length);
1212 if((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
1213 for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
1214 (*w)->property_data_src() = _region.get();
1222 AudioRegionView::color_handler ()
1224 //case cMutedWaveForm:
1226 //case cWaveFormClip:
1230 //case cGainLineInactive:
1232 envelope_active_changed();
1237 AudioRegionView::set_frame_color ()
1243 if (_region->opaque()) {
1249 TimeAxisViewItem::set_frame_color ();
1255 if (_region->muted()) {
1256 wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_SelectedWaveForm.get(), MUTED_ALPHA);
1258 wc = ARDOUR_UI::config()->canvasvar_SelectedWaveForm.get();
1260 fc = ARDOUR_UI::config()->canvasvar_SelectedWaveFormFill.get();
1263 if (_region->muted()) {
1264 wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_RecWaveForm.get(), MUTED_ALPHA);
1266 wc = ARDOUR_UI::config()->canvasvar_RecWaveForm.get();
1268 fc = ARDOUR_UI::config()->canvasvar_RecWaveFormFill.get();
1270 if (_region->muted()) {
1271 wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
1273 wc = ARDOUR_UI::config()->canvasvar_WaveForm.get();
1275 fc = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
1279 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1280 if (_region->muted()) {
1281 (*w)->property_wave_color() = wc;
1283 (*w)->property_wave_color() = wc;
1284 (*w)->property_fill_color() = fc;
1290 AudioRegionView::set_fade_visibility (bool yn)
1293 if (fade_in_shape) {
1294 fade_in_shape->show();
1296 if (fade_out_shape) {
1297 fade_out_shape->show ();
1299 if (fade_in_handle) {
1300 fade_in_handle->show ();
1302 if (fade_out_handle) {
1303 fade_out_handle->show ();
1306 if (fade_in_shape) {
1307 fade_in_shape->hide();
1309 if (fade_out_shape) {
1310 fade_out_shape->hide ();
1312 if (fade_in_handle) {
1313 fade_in_handle->hide ();
1315 if (fade_out_handle) {
1316 fade_out_handle->hide ();
1322 AudioRegionView::update_coverage_frames (LayerDisplay d)
1324 RegionView::update_coverage_frames (d);
1326 if (fade_in_handle) {
1327 fade_in_handle->raise_to_top ();
1328 fade_out_handle->raise_to_top ();
1333 AudioRegionView::show_region_editor ()
1336 editor = new AudioRegionEditor (trackview.session(), audio_region());
1340 editor->set_position (Gtk::WIN_POS_MOUSE);
1346 AudioRegionView::show_fade_line (framepos_t pos)
1348 fade_position_line->property_x1() = trackview.editor().frame_to_pixel (pos);
1349 fade_position_line->property_x2() = trackview.editor().frame_to_pixel (pos);
1350 fade_position_line->show ();
1351 fade_position_line->raise_to_top ();
1355 AudioRegionView::hide_fade_line ()
1357 fade_position_line->hide ();
1362 AudioRegionView::transients_changed ()
1364 AnalysisFeatureList analysis_features = _region->transients();
1366 while (feature_lines.size() < analysis_features.size()) {
1368 ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(*group);
1370 ArdourCanvas::Points points;
1372 points.push_back(Gnome::Art::Point(-1.0, 2.0)); // first x-coord needs to be a non-normal value
1373 points.push_back(Gnome::Art::Point(1.0, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
1375 canvas_item->property_points() = points;
1376 canvas_item->property_width_pixels() = 1;
1377 canvas_item->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
1378 canvas_item->property_first_arrowhead() = TRUE;
1379 canvas_item->property_last_arrowhead() = TRUE;
1380 canvas_item->property_arrow_shape_a() = 11.0;
1381 canvas_item->property_arrow_shape_b() = 0.0;
1382 canvas_item->property_arrow_shape_c() = 4.0;
1384 canvas_item->raise_to_top ();
1385 canvas_item->show ();
1387 canvas_item->set_data ("regionview", this);
1388 canvas_item->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
1390 feature_lines.push_back (make_pair(0, canvas_item));
1393 while (feature_lines.size() > analysis_features.size()) {
1394 ArdourCanvas::Line* line = feature_lines.back().second;
1395 feature_lines.pop_back ();
1399 AnalysisFeatureList::const_iterator i;
1400 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1402 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
1404 ArdourCanvas::Points points;
1406 float *pos = new float;
1407 *pos = trackview.editor().frame_to_pixel (*i);
1409 points.push_back(Gnome::Art::Point(*pos, 2.0)); // first x-coord needs to be a non-normal value
1410 points.push_back(Gnome::Art::Point(*pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
1412 (*l).second->property_points() = points;
1413 (*l).second->set_data ("position", pos);
1420 AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
1422 /* Find frame at old pos, calulate new frame then update region transients*/
1423 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1425 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1427 /* Line has been updated in drag so we compare to new_pos */
1429 float* pos = (float*) (*l).second->get_data ("position");
1431 if (rint(new_pos) == rint(*pos)) {
1433 framepos_t old_frame = (*l).first;
1434 framepos_t new_frame = trackview.editor().pixel_to_frame (new_pos);
1436 _region->update_transient (old_frame, new_frame);
1444 AudioRegionView::remove_transient(float pos)
1446 /* Find frame at old pos, calulate new frame then update region transients*/
1447 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1449 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1451 /* Line has been updated in drag so we compare to new_pos */
1452 float *line_pos = (float*) (*l).second->get_data ("position");
1454 if (rint(pos) == rint(*line_pos)) {
1455 _region->remove_transient ((*l).first);
1462 AudioRegionView::thaw_after_trim ()
1464 RegionView::thaw_after_trim ();
1470 AudioRegionView::redraw_start_xfade ()
1472 boost::shared_ptr<AudioRegion> ar (audio_region());
1474 if (!ar->fade_in() || ar->fade_in()->empty()) {
1478 if (!ar->fade_in_is_xfade()) {
1479 if (start_xfade_in) {
1480 start_xfade_in->hide ();
1481 start_xfade_out->hide ();
1482 start_xfade_rect->hide ();
1483 _start_xfade_visible = false;
1488 redraw_start_xfade_to (ar, ar->fade_in()->back()->when);
1492 AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t len)
1494 int32_t const npoints = trackview.editor().frame_to_pixel (len);
1500 if (!start_xfade_in) {
1501 start_xfade_in = new ArdourCanvas::Line (*group);
1502 start_xfade_in->property_width_pixels() = 1;
1503 start_xfade_in->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GainLine.get();
1506 if (!start_xfade_out) {
1507 start_xfade_out = new ArdourCanvas::Line (*group);
1508 start_xfade_out->property_width_pixels() = 1;
1509 uint32_t col = UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->canvasvar_GainLine.get(), 125);
1510 start_xfade_out->property_fill_color_rgba() = col;
1513 if (!start_xfade_rect) {
1514 start_xfade_rect = new ArdourCanvas::SimpleRect (*group);
1515 start_xfade_rect->property_draw() = true;
1516 start_xfade_rect->property_fill() = true;;
1517 start_xfade_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ActiveCrossfade.get();
1518 start_xfade_rect->property_outline_pixels() = 0;
1519 start_xfade_rect->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
1520 start_xfade_rect->set_data ("regionview", this);
1523 Points* points = get_canvas_points ("xfade edit redraw", npoints);
1524 boost::scoped_array<float> vec (new float[npoints]);
1525 double effective_height = _height - NAME_HIGHLIGHT_SIZE - 1.0;
1527 ar->fade_in()->curve().get_vector (0, ar->fade_in()->back()->when, vec.get(), npoints);
1529 for (int i = 0, pci = 0; i < npoints; ++i) {
1530 Gnome::Art::Point &p ((*points)[pci++]);
1532 p.set_y (1.0 + effective_height - (effective_height * vec.get()[i]));
1535 start_xfade_rect->property_x1() = ((*points)[0]).get_x();
1536 start_xfade_rect->property_y1() = 1.0;
1537 start_xfade_rect->property_x2() = ((*points)[npoints-1]).get_x();
1538 start_xfade_rect->property_y2() = effective_height;
1539 start_xfade_rect->show ();
1540 start_xfade_rect->raise_to_top ();
1542 start_xfade_in->property_points() = *points;
1543 start_xfade_in->show ();
1544 start_xfade_in->raise_to_top ();
1548 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in();
1552 for (int i = 0, pci = 0; i < npoints; ++i) {
1553 Gnome::Art::Point &p ((*points)[pci++]);
1555 p.set_y (1.0 + effective_height - (effective_height * (1.0 - vec.get()[i])));
1560 inverse->curve().get_vector (0, inverse->back()->when, vec.get(), npoints);
1562 for (int i = 0, pci = 0; i < npoints; ++i) {
1563 Gnome::Art::Point &p ((*points)[pci++]);
1565 p.set_y (1.0 + effective_height - (effective_height * vec.get()[i]));
1569 start_xfade_out->property_points() = *points;
1570 start_xfade_out->show ();
1571 start_xfade_out->raise_to_top ();
1573 _start_xfade_visible = true;
1579 AudioRegionView::redraw_end_xfade ()
1581 boost::shared_ptr<AudioRegion> ar (audio_region());
1583 if (!ar->fade_out() || ar->fade_out()->empty()) {
1587 if (!ar->fade_out_is_xfade()) {
1589 end_xfade_in->hide ();
1590 end_xfade_out->hide ();
1591 end_xfade_rect->hide ();
1592 _end_xfade_visible = false;
1597 redraw_end_xfade_to (ar, ar->fade_out()->back()->when);
1601 AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t len)
1603 int32_t const npoints = trackview.editor().frame_to_pixel (len);
1609 if (!end_xfade_in) {
1610 end_xfade_in = new ArdourCanvas::Line (*group);
1611 end_xfade_in->property_width_pixels() = 1;
1612 end_xfade_in->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GainLine.get();
1615 if (!end_xfade_out) {
1616 end_xfade_out = new ArdourCanvas::Line (*group);
1617 end_xfade_out->property_width_pixels() = 1;
1618 uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->canvasvar_GainLine.get(), 125);
1619 end_xfade_out->property_fill_color_rgba() = col;
1622 if (!end_xfade_rect) {
1623 end_xfade_rect = new ArdourCanvas::SimpleRect (*group);
1624 end_xfade_rect->property_draw() = true;
1625 end_xfade_rect->property_fill() = true;;
1626 end_xfade_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ActiveCrossfade.get();
1627 end_xfade_rect->property_outline_pixels() = 0;
1628 end_xfade_rect->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
1629 end_xfade_rect->set_data ("regionview", this);
1632 Points* points = get_canvas_points ("xfade edit redraw", npoints);
1633 boost::scoped_ptr<float> vec (new float[npoints]);
1635 ar->fade_out()->curve().get_vector (0, ar->fade_out()->back()->when, vec.get(), npoints);
1637 double rend = trackview.editor().frame_to_pixel (_region->length() - len);
1638 double effective_height = _height - NAME_HIGHLIGHT_SIZE - 1;
1640 for (int i = 0, pci = 0; i < npoints; ++i) {
1641 Gnome::Art::Point &p ((*points)[pci++]);
1643 p.set_y (1.0 + effective_height - (effective_height * vec.get()[i]));
1646 end_xfade_rect->property_x1() = ((*points)[0]).get_x();
1647 end_xfade_rect->property_y1() = 1;
1648 end_xfade_rect->property_x2() = ((*points)[npoints-1]).get_x();
1649 end_xfade_rect->property_y2() = effective_height;
1650 end_xfade_rect->show ();
1651 end_xfade_rect->raise_to_top ();
1653 end_xfade_in->property_points() = *points;
1654 end_xfade_in->show ();
1655 end_xfade_in->raise_to_top ();
1659 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
1663 for (int i = 0, pci = 0; i < npoints; ++i) {
1664 Gnome::Art::Point &p ((*points)[pci++]);
1666 p.set_y (1.0 + effective_height - (effective_height * (1.0 - vec.get()[i])));
1671 inverse->curve().get_vector (inverse->front()->when, inverse->back()->when, vec.get(), npoints);
1673 for (int i = 0, pci = 0; i < npoints; ++i) {
1674 Gnome::Art::Point &p ((*points)[pci++]);
1676 p.set_y (1.0 + effective_height - (effective_height * vec.get()[i]));
1680 end_xfade_out->property_points() = *points;
1681 end_xfade_out->show ();
1682 end_xfade_out->raise_to_top ();
1684 _end_xfade_visible = true;
1690 AudioRegionView::hide_xfades ()
1692 hide_start_xfade ();
1697 AudioRegionView::hide_start_xfade ()
1699 if (start_xfade_in) {
1700 start_xfade_in->hide();
1702 if (start_xfade_out) {
1703 start_xfade_out->hide();
1705 if (start_xfade_rect) {
1706 start_xfade_rect->hide ();
1709 _start_xfade_visible = false;
1713 AudioRegionView::hide_end_xfade ()
1716 end_xfade_in->hide();
1718 if (end_xfade_out) {
1719 end_xfade_out->hide();
1721 if (end_xfade_rect) {
1722 end_xfade_rect->hide ();
1725 _end_xfade_visible = false;
1729 AudioRegionView::show_start_xfade ()
1731 if (start_xfade_in) {
1732 start_xfade_in->show();
1734 if (start_xfade_out) {
1735 start_xfade_out->show();
1737 if (start_xfade_rect) {
1738 start_xfade_rect->show ();
1741 _start_xfade_visible = true;
1745 AudioRegionView::show_end_xfade ()
1748 end_xfade_in->show();
1750 if (end_xfade_out) {
1751 end_xfade_out->show();
1753 if (end_xfade_rect) {
1754 end_xfade_rect->show ();
1757 _end_xfade_visible = true;
1761 AudioRegionView::show_xfades ()
1763 show_start_xfade ();
1768 AudioRegionView::drag_start ()
1770 TimeAxisViewItem::drag_start ();
1771 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&trackview);
1774 AudioStreamView* av = atav->audio_view();
1776 /* this will hide our xfades too */
1777 _hidden_xfades = av->hide_xfades_with (audio_region());
1783 AudioRegionView::drag_end ()
1785 TimeAxisViewItem::drag_end ();
1787 for (list<AudioRegionView*>::iterator i = _hidden_xfades.first.begin(); i != _hidden_xfades.first.end(); ++i) {
1788 (*i)->show_start_xfade ();
1791 for (list<AudioRegionView*>::iterator i = _hidden_xfades.second.begin(); i != _hidden_xfades.second.end(); ++i) {
1792 (*i)->show_end_xfade ();
1795 _hidden_xfades.first.clear ();
1796 _hidden_xfades.second.clear ();
1800 AudioRegionView::parameter_changed (string const & p)
1802 if (p == "show-waveforms") {
1803 setup_waveform_visibility ();
1804 } else if (p == "waveform-scale") {
1805 setup_waveform_scale ();
1806 } else if (p == "waveform-shape") {
1807 setup_waveform_shape ();