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.
24 #include <boost/scoped_array.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 "canvas/rectangle.h"
42 #include "canvas/polygon.h"
43 #include "canvas/poly_line.h"
44 #include "canvas/line.h"
45 #include "canvas/text.h"
46 #include "canvas/xfade_curve.h"
47 #include "canvas/debug.h"
48 #include "canvas/utils.h"
49 #include "canvas/colors.h"
51 #include "streamview.h"
52 #include "audio_region_view.h"
53 #include "audio_time_axis.h"
54 #include "public_editor.h"
55 #include "audio_region_editor.h"
56 #include "audio_streamview.h"
57 #include "region_gain_line.h"
58 #include "control_point.h"
59 #include "ghostregion.h"
60 #include "audio_time_axis.h"
61 #include "rgb_macros.h"
62 #include "gui_thread.h"
63 #include "ui_config.h"
67 #define MUTED_ALPHA 48
70 using namespace ARDOUR;
72 using namespace Editing;
73 using namespace ArdourCanvas;
75 static double const handle_size = 10; /* height of fade handles */
77 Cairo::RefPtr<Cairo::Pattern> AudioRegionView::pending_peak_pattern;
79 static Cairo::RefPtr<Cairo::Pattern> create_pending_peak_pattern() {
80 cairo_surface_t * is = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 8, 8);
82 // create checker pattern
83 unsigned char *img = cairo_image_surface_get_data (is);
84 cairo_surface_flush (is);
85 const int stride = cairo_image_surface_get_stride (is);
87 for (int y = 0; y < 8; ++y) {
88 for (int x = 0; x < 8; ++x) {
89 const int off = (y * stride + x * 4);
90 uint32_t *pixel = (uint32_t*) &img[off];
91 if ((x < 4) ^ (y < 4)) {
98 cairo_surface_mark_dirty (is);
100 cairo_pattern_t* pat = cairo_pattern_create_for_surface (is);
101 cairo_pattern_set_extend (pat, CAIRO_EXTEND_REPEAT);
102 Cairo::RefPtr<Cairo::Pattern> p (new Cairo::Pattern (pat, false));
103 cairo_surface_destroy (is);
107 AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
108 uint32_t basic_color)
109 : RegionView (parent, tv, r, spu, basic_color)
113 , fade_in_trim_handle(0)
114 , fade_out_trim_handle(0)
115 , pending_peak_data(0)
116 , start_xfade_curve (0)
117 , start_xfade_rect (0)
118 , _start_xfade_visible (false)
119 , end_xfade_curve (0)
121 , _end_xfade_visible (false)
122 , _amplitude_above_axis(1.0)
123 , trim_fade_in_drag_active(false)
124 , trim_fade_out_drag_active(false)
126 UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
129 AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
130 uint32_t basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
131 : RegionView (parent, tv, r, spu, basic_color, recording, visibility)
135 , fade_in_trim_handle(0)
136 , fade_out_trim_handle(0)
137 , pending_peak_data(0)
138 , start_xfade_curve (0)
139 , start_xfade_rect (0)
140 , _start_xfade_visible (false)
141 , end_xfade_curve (0)
143 , _end_xfade_visible (false)
144 , _amplitude_above_axis(1.0)
145 , trim_fade_in_drag_active(false)
146 , trim_fade_out_drag_active(false)
148 UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
151 AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr<AudioRegion> other_region)
152 : RegionView (other, boost::shared_ptr<Region> (other_region))
155 , fade_in_trim_handle(0)
156 , fade_out_trim_handle(0)
157 , pending_peak_data(0)
158 , start_xfade_curve (0)
159 , start_xfade_rect (0)
160 , _start_xfade_visible (false)
161 , end_xfade_curve (0)
163 , _end_xfade_visible (false)
164 , _amplitude_above_axis (other._amplitude_above_axis)
165 , trim_fade_in_drag_active(false)
166 , trim_fade_out_drag_active(false)
170 UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
174 AudioRegionView::init (bool wfd)
176 // FIXME: Some redundancy here with RegionView::init. Need to figure out
177 // where order is important and where it isn't...
179 if (!pending_peak_pattern) {
180 pending_peak_pattern = create_pending_peak_pattern();
183 // needs to be created first, RegionView::init() calls set_height()
184 pending_peak_data = new ArdourCanvas::Rectangle (group);
185 CANVAS_DEBUG_NAME (pending_peak_data, string_compose ("pending peak rectangle for %1", region()->name()));
186 pending_peak_data->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 0.0));
187 pending_peak_data->set_pattern (pending_peak_pattern);
188 pending_peak_data->set_data ("regionview", this);
189 pending_peak_data->hide ();
191 RegionView::init (wfd);
193 _amplitude_above_axis = 1.0;
198 fade_in_handle = new ArdourCanvas::Rectangle (group);
199 CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in handle for %1", region()->name()));
200 fade_in_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
201 fade_in_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
202 fade_in_handle->set_data ("regionview", this);
203 fade_in_handle->hide ();
205 fade_out_handle = new ArdourCanvas::Rectangle (group);
206 CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out handle for %1", region()->name()));
207 fade_out_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
208 fade_out_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
209 fade_out_handle->set_data ("regionview", this);
210 fade_out_handle->hide ();
212 fade_in_trim_handle = new ArdourCanvas::Rectangle (group);
213 CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in trim handle for %1", region()->name()));
214 fade_in_trim_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
215 fade_in_trim_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
216 fade_in_trim_handle->set_data ("regionview", this);
217 fade_in_trim_handle->hide ();
219 fade_out_trim_handle = new ArdourCanvas::Rectangle (group);
220 CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out trim handle for %1", region()->name()));
221 fade_out_trim_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
222 fade_out_trim_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
223 fade_out_trim_handle->set_data ("regionview", this);
224 fade_out_trim_handle->hide ();
227 setup_fade_handle_positions ();
229 if (!trackview.session()->config.get_show_region_fades()) {
230 set_fade_visibility (false);
233 const string line_name = _region->name() + ":gain";
235 gain_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope()));
237 update_envelope_visibility ();
240 /* streamview will call set_height() */
241 //set_height (trackview.current_height()); // XXX not correct for Layered mode, but set_height() will fix later.
244 region_sync_changed ();
246 region_resized (ARDOUR::bounds_change);
247 /* region_resized sets ghost region duration */
249 /* region_locked is a synonym for region_renamed () which is called in region_muted() above */
252 envelope_active_changed ();
253 fade_in_active_changed ();
254 fade_out_active_changed ();
256 reset_width_dependent_items (_pixel_width);
258 if (fade_in_handle) {
259 fade_in_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this, false));
262 if (fade_out_handle) {
263 fade_out_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this, false));
266 if (fade_in_trim_handle) {
267 fade_in_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_trim_handle, this, true));
270 if (fade_out_trim_handle) {
271 fade_out_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_trim_handle, this, true));
276 setup_waveform_visibility ();
278 /* reset_width_dependent_items() does this:
279 if (frame_handle_start) {
280 frame_handle_start->raise_to_top ();
282 if (frame_handle_end) {
283 frame_handle_end->raise_to_top ();
286 /* XXX sync mark drag? */
289 AudioRegionView::~AudioRegionView ()
291 in_destructor = true;
293 RegionViewGoingAway (this); /* EMIT_SIGNAL */
295 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
298 _data_ready_connections.clear ();
300 for (list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
301 delete ((*i).second);
304 /* all waveviews etc will be destroyed when the group is destroyed */
307 boost::shared_ptr<ARDOUR::AudioRegion>
308 AudioRegionView::audio_region() const
310 // "Guaranteed" to succeed...
311 return boost::dynamic_pointer_cast<AudioRegion>(_region);
315 AudioRegionView::region_changed (const PropertyChange& what_changed)
317 ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed);
319 RegionView::region_changed (what_changed);
321 if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
322 region_scale_amplitude_changed ();
324 if (what_changed.contains (ARDOUR::Properties::fade_in)) {
327 if (what_changed.contains (ARDOUR::Properties::fade_out)) {
330 if (what_changed.contains (ARDOUR::Properties::fade_in_active)) {
331 fade_in_active_changed ();
333 if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
334 fade_out_active_changed ();
336 if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
337 envelope_active_changed ();
339 if (what_changed.contains (ARDOUR::Properties::valid_transients)) {
340 transients_changed ();
345 AudioRegionView::fade_in_changed ()
347 reset_fade_in_shape ();
351 AudioRegionView::fade_out_changed ()
353 reset_fade_out_shape ();
357 AudioRegionView::fade_in_active_changed ()
359 if (start_xfade_rect) {
360 if (audio_region()->fade_in_active()) {
361 start_xfade_rect->set_fill (false);
363 start_xfade_rect->set_fill_color (UIConfiguration::instance().color_mod ("inactive crossfade", "inactive crossfade"));
364 start_xfade_rect->set_fill (true);
370 AudioRegionView::fade_out_active_changed ()
372 if (end_xfade_rect) {
373 if (audio_region()->fade_out_active()) {
374 end_xfade_rect->set_fill (false);
376 end_xfade_rect->set_fill_color (UIConfiguration::instance().color_mod ("inactive crossfade", "inactive crossfade"));
377 end_xfade_rect->set_fill (true);
384 AudioRegionView::region_scale_amplitude_changed ()
386 for (uint32_t n = 0; n < waves.size(); ++n) {
387 waves[n]->gain_changed ();
392 AudioRegionView::region_renamed ()
394 std::string str = RegionView::make_name ();
396 if (audio_region()->speed_mismatch (trackview.session()->frame_rate())) {
397 str = string ("*") + str;
400 if (_region->muted()) {
401 str = string ("!") + str;
404 set_item_name (str, this);
409 AudioRegionView::region_resized (const PropertyChange& what_changed)
411 AudioGhostRegion* agr;
413 RegionView::region_resized(what_changed);
414 PropertyChange interesting_stuff;
416 interesting_stuff.add (ARDOUR::Properties::start);
417 interesting_stuff.add (ARDOUR::Properties::length);
419 if (what_changed.contains (interesting_stuff)) {
421 for (uint32_t n = 0; n < waves.size(); ++n) {
422 waves[n]->region_resized ();
425 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
426 if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
428 for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
429 (*w)->region_resized ();
434 /* hide transient lines that extend beyond the region */
435 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
436 framepos_t first = _region->first_frame();
437 framepos_t last = _region->last_frame();
439 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
440 if (l->first < first || l->first >= last) {
450 AudioRegionView::reset_width_dependent_items (double pixel_width)
452 if (pixel_width == _width) {
456 RegionView::reset_width_dependent_items(pixel_width);
457 assert(_pixel_width == pixel_width);
459 pending_peak_data->set_x1(pixel_width);
461 if (pixel_width <= 20.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
462 if (fade_in_handle) { fade_in_handle->hide(); }
463 if (fade_out_handle) { fade_out_handle->hide(); }
464 if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
465 if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
466 if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
467 if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
470 reset_fade_shapes ();
472 /* Update feature lines */
473 AnalysisFeatureList analysis_features;
474 _region->transients (analysis_features);
476 if (feature_lines.size () != analysis_features.size ()) {
477 cerr << "postponed freature line update.\n"; // XXX
478 // AudioRegionView::transients_changed () will pick up on this
482 framepos_t position = _region->position();
484 AnalysisFeatureList::const_iterator i;
485 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
487 if (_height >= NAME_HIGHLIGHT_THRESH) {
488 y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
492 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
493 float x_pos = trackview.editor().sample_to_pixel ((*i) - position);
495 (*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
496 ArdourCanvas::Duple (x_pos, y1));
501 AudioRegionView::region_muted ()
503 RegionView::region_muted();
504 set_waveform_colors ();
508 AudioRegionView::setup_fade_handle_positions()
510 /* position of fade handle offset from the top of the region view */
511 double const handle_pos = 0.0;
513 if (fade_in_handle) {
514 fade_in_handle->set_y0 (handle_pos);
515 fade_in_handle->set_y1 (handle_pos + handle_size);
518 if (fade_out_handle) {
519 fade_out_handle->set_y0 (handle_pos);
520 fade_out_handle->set_y1 (handle_pos + handle_size);
523 if (fade_in_trim_handle) {
524 fade_in_trim_handle->set_y0 (_height - handle_size);
525 fade_in_trim_handle->set_y1 (_height);
528 if (fade_out_trim_handle) {
529 fade_out_trim_handle->set_y0 (_height - handle_size );
530 fade_out_trim_handle->set_y1 (_height);
535 AudioRegionView::set_height (gdouble height)
537 if (height == _height) {
541 RegionView::set_height (height);
542 pending_peak_data->set_y1 (height);
544 uint32_t wcnt = waves.size();
550 if (!UIConfiguration::instance().get_show_name_highlight() || (height < NAME_HIGHLIGHT_THRESH)) {
551 ht = height / (double) wcnt;
553 ht = (height - NAME_HIGHLIGHT_SIZE) / (double) wcnt;
556 for (uint32_t n = 0; n < wcnt; ++n) {
558 gdouble yoff = floor (ht * n);
560 waves[n]->set_height (ht);
561 waves[n]->set_y_position (yoff);
567 if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) {
570 update_envelope_visibility ();
573 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2);
576 reset_fade_shapes ();
578 /* Update heights for any feature lines */
579 framepos_t position = _region->position();
580 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
582 if (_height >= NAME_HIGHLIGHT_THRESH) {
583 y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
587 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
588 float pos_x = trackview.editor().sample_to_pixel((*l).first - position);
589 (*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
590 ArdourCanvas::Duple (pos_x, y1));
594 name_text->raise_to_top();
597 setup_fade_handle_positions();
601 AudioRegionView::reset_fade_shapes ()
603 if (!trim_fade_in_drag_active) { reset_fade_in_shape (); }
604 if (!trim_fade_out_drag_active) { reset_fade_out_shape (); }
608 AudioRegionView::reset_fade_in_shape ()
610 reset_fade_in_shape_width (audio_region(), (framecnt_t) audio_region()->fade_in()->back()->when);
614 AudioRegionView::reset_fade_in_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width, bool drag_active)
616 trim_fade_in_drag_active = drag_active;
617 if (fade_in_handle == 0) {
621 /* smallest size for a fade is 64 frames */
623 width = std::max ((framecnt_t) 64, width);
625 /* round here to prevent little visual glitches with sub-pixel placement */
626 double const pwidth = floor (width / samples_per_pixel);
627 double const handle_left = pwidth;
629 /* Put the fade in handle so that its left side is at the end-of-fade line */
630 fade_in_handle->set_x0 (handle_left);
631 fade_in_handle->set_x1 (handle_left + handle_size);
633 if (fade_in_trim_handle) {
634 fade_in_trim_handle->set_x0 (0);
635 fade_in_trim_handle->set_x1 (handle_size);
638 if (fade_in_handle->visible()) {
639 //see comment for drag_start
648 if (!trackview.session()->config.get_show_region_fades()) {
653 double effective_height;
655 if (_height >= NAME_HIGHLIGHT_THRESH) {
656 effective_height = _height - NAME_HIGHLIGHT_SIZE;
658 effective_height = _height;
661 /* points *MUST* be in anti-clockwise order */
664 Points::size_type pi;
665 boost::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_in());
666 Evoral::ControlList::const_iterator x;
667 double length = list->length();
669 points.assign (list->size(), Duple());
671 for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
672 points[pi].x = (pwidth * ((*x)->when/length));
673 points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
678 redraw_start_xfade_to (ar, width, points, effective_height, handle_left);
680 /* ensure trim handle stays on top */
681 if (frame_handle_start) {
682 frame_handle_start->raise_to_top();
687 AudioRegionView::reset_fade_out_shape ()
689 reset_fade_out_shape_width (audio_region(), (framecnt_t) audio_region()->fade_out()->back()->when);
693 AudioRegionView::reset_fade_out_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width, bool drag_active)
695 trim_fade_out_drag_active = drag_active;
696 if (fade_out_handle == 0) {
700 /* smallest size for a fade is 64 frames */
702 width = std::max ((framecnt_t) 64, width);
705 double const pwidth = floor(trackview.editor().sample_to_pixel (width));
707 /* the right edge should be right on the region frame is the pixel
708 * width is zero. Hence the additional + 1.0 at the end.
711 double const handle_right = rint(trackview.editor().sample_to_pixel (_region->length()) - pwidth);
712 double const trim_handle_right = rint(trackview.editor().sample_to_pixel (_region->length()));
714 /* Put the fade out handle so that its right side is at the end-of-fade line;
716 fade_out_handle->set_x0 (handle_right - handle_size);
717 fade_out_handle->set_x1 (handle_right);
718 if (fade_out_trim_handle) {
719 fade_out_trim_handle->set_x0 (1 + trim_handle_right - handle_size);
720 fade_out_trim_handle->set_x1 (1 + trim_handle_right);
723 if (fade_out_handle->visible()) {
724 //see comment for drag_start
727 /* don't show shape if its too small */
734 if (!trackview.session()->config.get_show_region_fades()) {
739 double effective_height;
741 effective_height = _height;
743 if (UIConfiguration::instance().get_show_name_highlight() && effective_height >= NAME_HIGHLIGHT_THRESH) {
744 effective_height -= NAME_HIGHLIGHT_SIZE;
747 /* points *MUST* be in anti-clockwise order */
750 Points::size_type pi;
751 boost::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_out());
752 Evoral::ControlList::const_iterator x;
753 double length = list->length();
755 points.assign (list->size(), Duple());
757 for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
758 points[pi].x = _pixel_width - pwidth + (pwidth * ((*x)->when/length));
759 points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
764 redraw_end_xfade_to (ar, width, points, effective_height, handle_right, pwidth);
766 /* ensure trim handle stays on top */
767 if (frame_handle_end) {
768 frame_handle_end->raise_to_top();
773 AudioRegionView::get_fade_in_shape_width ()
775 return audio_region()->fade_in()->back()->when;
779 AudioRegionView::get_fade_out_shape_width ()
781 return audio_region()->fade_out()->back()->when;
786 AudioRegionView::redraw_start_xfade ()
788 boost::shared_ptr<AudioRegion> ar (audio_region());
790 if (!ar->fade_in() || ar->fade_in()->empty()) {
795 reset_fade_in_shape_width (ar, ar->fade_in()->back()->when);
799 AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t /*width*/, Points& points, double effective_height,
802 if (points.size() < 2) {
806 if (!start_xfade_curve) {
807 start_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::Start);
808 CANVAS_DEBUG_NAME (start_xfade_curve, string_compose ("xfade start out line for %1", region()->name()));
809 start_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
810 start_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
811 start_xfade_curve->set_ignore_events (true);
813 if (!start_xfade_rect) {
814 start_xfade_rect = new ArdourCanvas::Rectangle (group);
815 CANVAS_DEBUG_NAME (start_xfade_rect, string_compose ("xfade start rect for %1", region()->name()));
816 start_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
817 start_xfade_rect->set_fill (false);
818 start_xfade_rect->set_outline (false);
819 start_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
820 start_xfade_rect->set_data ("regionview", this);
823 start_xfade_rect->set (ArdourCanvas::Rect (0.0, 0.0, rect_width, effective_height));
827 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in ();
829 Points::size_type npoints;
833 /* there is no explicit inverse fade in curve, so take the
834 * regular fade in curve given to use as "points" (already a
835 * set of coordinates), and convert to the inverse shape.
838 npoints = points.size();
839 ipoints.assign (npoints, Duple());
841 for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
842 ArdourCanvas::Duple &p (ipoints[pci]);
843 /* leave x-axis alone but invert with respect to y-axis */
844 p.y = effective_height - points[pci].y;
849 /* there is an explicit inverse fade in curve. Grab the points
850 and convert them into coordinates for the inverse fade in
854 npoints = inverse->size();
855 ipoints.assign (npoints, Duple());
857 Evoral::ControlList::const_iterator x;
858 Points::size_type pi;
859 double length = inverse->length();
861 for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
862 ArdourCanvas::Duple& p (ipoints[pi]);
863 p.x = (rect_width * ((*x)->when/length));
864 p.y = effective_height - ((*x)->value * (effective_height));
868 start_xfade_curve->set_inout (points, ipoints);
874 AudioRegionView::redraw_end_xfade ()
876 boost::shared_ptr<AudioRegion> ar (audio_region());
878 if (!ar->fade_out() || ar->fade_out()->empty()) {
884 reset_fade_out_shape_width (ar, ar->fade_out()->back()->when);
888 AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t width, Points& points, double effective_height,
889 double rect_edge, double rect_width)
891 if (points.size() < 2) {
895 if (!end_xfade_curve) {
896 end_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::End);
897 CANVAS_DEBUG_NAME (end_xfade_curve, string_compose ("xfade end out line for %1", region()->name()));
898 end_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
899 end_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
900 end_xfade_curve->set_ignore_events (true);
903 if (!end_xfade_rect) {
904 end_xfade_rect = new ArdourCanvas::Rectangle (group);
905 CANVAS_DEBUG_NAME (end_xfade_rect, string_compose ("xfade end rect for %1", region()->name()));
906 end_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
907 end_xfade_rect->set_fill (false);
908 end_xfade_rect->set_outline (false);
909 end_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
910 end_xfade_rect->set_data ("regionview", this);
913 end_xfade_rect->set (ArdourCanvas::Rect (rect_edge, 0.0, rect_edge + rect_width, effective_height));
917 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
919 Points::size_type npoints;
923 /* there is no explicit inverse fade out curve, so take the
924 * regular fade out curve given to use as "points" (already a
925 * set of coordinates), and convert to the inverse shape.
928 npoints = points.size();
929 ipoints.assign (npoints, Duple());
931 Points::size_type pci;
933 for (pci = 0; pci < npoints; ++pci) {
934 ArdourCanvas::Duple &p (ipoints[pci]);
935 p.y = effective_height - points[pci].y;
940 /* there is an explicit inverse fade out curve. Grab the points
941 and convert them into coordinates for the inverse fade out
945 npoints = inverse->size();
946 ipoints.assign (npoints, Duple());
948 const double rend = trackview.editor().sample_to_pixel (_region->length() - width);
950 Evoral::ControlList::const_iterator x;
951 Points::size_type pi;
952 double length = inverse->length();
954 for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
955 ArdourCanvas::Duple& p (ipoints[pi]);
956 p.x = (rect_width * ((*x)->when/length)) + rend;
957 p.y = effective_height - ((*x)->value * (effective_height));
961 end_xfade_curve->set_inout (ipoints, points);
967 AudioRegionView::hide_xfades ()
974 AudioRegionView::hide_start_xfade ()
976 if (start_xfade_curve) {
977 start_xfade_curve->hide();
979 if (start_xfade_rect) {
980 start_xfade_rect->hide ();
983 _start_xfade_visible = false;
987 AudioRegionView::hide_end_xfade ()
989 if (end_xfade_curve) {
990 end_xfade_curve->hide();
992 if (end_xfade_rect) {
993 end_xfade_rect->hide ();
996 _end_xfade_visible = false;
1000 AudioRegionView::show_start_xfade ()
1002 if (start_xfade_curve) {
1003 start_xfade_curve->show();
1005 if (start_xfade_rect) {
1006 start_xfade_rect->show ();
1009 _start_xfade_visible = true;
1013 AudioRegionView::show_end_xfade ()
1015 if (end_xfade_curve) {
1016 end_xfade_curve->show();
1018 if (end_xfade_rect) {
1019 end_xfade_rect->show ();
1022 _end_xfade_visible = true;
1026 AudioRegionView::set_samples_per_pixel (gdouble fpp)
1028 RegionView::set_samples_per_pixel (fpp);
1030 if (UIConfiguration::instance().get_show_waveforms ()) {
1031 for (uint32_t n = 0; n < waves.size(); ++n) {
1032 waves[n]->set_samples_per_pixel (fpp);
1037 gain_line->reset ();
1040 reset_fade_shapes ();
1044 AudioRegionView::set_amplitude_above_axis (gdouble a)
1046 for (uint32_t n=0; n < waves.size(); ++n) {
1047 waves[n]->set_amplitude_above_axis (a);
1052 AudioRegionView::set_colors ()
1054 RegionView::set_colors();
1057 gain_line->set_line_color (audio_region()->envelope_active() ?
1058 UIConfiguration::instance().color ("gain line") :
1059 UIConfiguration::instance().color_mod ("gain line inactive", "gain line inactive"));
1062 set_waveform_colors ();
1064 if (start_xfade_curve) {
1065 start_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
1066 start_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
1068 if (end_xfade_curve) {
1069 end_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
1070 end_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
1073 if (start_xfade_rect) {
1074 start_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
1076 if (end_xfade_rect) {
1077 end_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
1082 AudioRegionView::setup_waveform_visibility ()
1084 if (UIConfiguration::instance().get_show_waveforms ()) {
1085 for (uint32_t n = 0; n < waves.size(); ++n) {
1086 /* make sure the zoom level is correct, since we don't update
1087 this when waveforms are hidden.
1090 // waves[n]->set_samples_per_pixel (_samples_per_pixel);
1094 for (uint32_t n = 0; n < waves.size(); ++n) {
1101 AudioRegionView::temporarily_hide_envelope ()
1109 AudioRegionView::unhide_envelope ()
1111 update_envelope_visibility ();
1115 AudioRegionView::update_envelope_visibility ()
1121 if (trackview.editor().current_mouse_mode() == Editing::MouseDraw || trackview.editor().current_mouse_mode() == Editing::MouseContent ) {
1122 gain_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::ControlPoints|AutomationLine::Line));
1123 gain_line->canvas_group().raise_to_top ();
1124 } else if (UIConfiguration::instance().get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseRange ) {
1125 gain_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::Line));
1126 gain_line->canvas_group().raise_to_top ();
1128 gain_line->set_visibility (AutomationLine::VisibleAspects(0));
1133 AudioRegionView::delete_waves ()
1135 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
1138 _data_ready_connections.clear ();
1140 for (vector<WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1145 pending_peak_data->show ();
1149 AudioRegionView::create_waves ()
1151 // cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
1152 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
1158 ChanCount nchans = atv.track()->n_channels();
1160 // cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
1161 // << " and channels = " << nchans.n_audio() << endl;
1163 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
1164 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
1165 tmp_waves.push_back (0);
1168 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
1172 _data_ready_connections.clear ();
1174 for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
1175 _data_ready_connections.push_back (0);
1178 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
1180 if (n >= audio_region()->n_channels()) {
1184 // cerr << "\tchannel " << n << endl;
1186 if (wait_for_data) {
1187 if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
1188 // cerr << "\tData is ready\n";
1189 create_one_wave (n, true);
1191 // cerr << "\tdata is not ready\n";
1192 // we'll get a PeaksReady signal from the source in the future
1193 // and will call create_one_wave(n) then.
1194 pending_peak_data->show ();
1198 // cerr << "\tdon't delay, display today!\n";
1199 create_one_wave (n, true);
1206 AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
1208 //cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
1209 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
1210 if (!trackview.session() || trackview.session()->deletion_in_progress () || !atv.track()) {
1211 /* peaks_ready_handler() may be called from peak_thread_work() while
1212 * session deletion is in progress.
1213 * Since session-unload happens in the GUI thread, we need to test
1218 uint32_t nchans = atv.track()->n_channels().n_audio();
1220 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
1223 /* compare to set_height(), use _height as set by streamview (child_height),
1224 * not trackview.current_height() to take stacked layering into acconnt
1226 if (!UIConfiguration::instance().get_show_name_highlight() || (_height < NAME_HIGHLIGHT_THRESH)) {
1227 ht = _height / (double) nchans;
1229 ht = (_height - NAME_HIGHLIGHT_SIZE) / (double) nchans;
1232 /* first waveview starts at 1.0, not 0.0 since that will overlap the
1236 gdouble yoff = which * ht;
1238 WaveView *wave = new WaveView (group, audio_region ());
1239 CANVAS_DEBUG_NAME (wave, string_compose ("wave view for chn %1 of %2", which, get_item_name()));
1241 wave->set_channel (which);
1242 wave->set_y_position (yoff);
1243 wave->set_height (ht);
1244 wave->set_samples_per_pixel (samples_per_pixel);
1245 wave->set_show_zero_line (true);
1246 wave->set_clip_level (UIConfiguration::instance().get_waveform_clip_level ());
1247 wave->set_start_shift (1.0);
1249 wave->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_wave_view_event), wave, this));
1251 switch (UIConfiguration::instance().get_waveform_shape()) {
1253 wave->set_shape (WaveView::Rectified);
1256 wave->set_shape (WaveView::Normal);
1259 wave->set_logscaled (UIConfiguration::instance().get_waveform_scale() == Logarithmic);
1261 vector<ArdourCanvas::WaveView*> v;
1263 set_some_waveform_colors (v);
1265 if (!UIConfiguration::instance().get_show_waveforms ()) {
1269 /* note: calling this function is serialized by the lock
1270 held in the peak building thread that signals that
1271 peaks are ready for use *or* by the fact that it is
1272 called one by one from the GUI thread.
1275 if (which < nchans) {
1276 tmp_waves[which] = wave;
1278 /* n-channel track, >n-channel source */
1281 /* see if we're all ready */
1283 for (n = 0; n < nchans; ++n) {
1284 if (tmp_waves[n] == 0) {
1289 if (n == nwaves && waves.empty()) {
1290 /* all waves are ready */
1291 tmp_waves.resize(nwaves);
1296 /* indicate peak-completed */
1297 pending_peak_data->hide ();
1299 /* Restore stacked coverage */
1300 std::string str = trackview.gui_property ("layer-display");
1302 LayerDisplay layer_display;
1303 update_coverage_frames (LayerDisplay (string_2_enum (str, layer_display)));
1307 /* channel wave created, don't hook into peaks ready anymore */
1308 delete _data_ready_connections[which];
1309 _data_ready_connections[which] = 0;
1313 AudioRegionView::peaks_ready_handler (uint32_t which)
1315 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AudioRegionView::create_one_wave, this, which, false));
1316 // cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
1320 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev, bool with_guard_points)
1326 uint32_t before_p, after_p;
1327 double mx = ev->button.x;
1328 double my = ev->button.y;
1330 item->canvas_to_item (mx, my);
1332 framecnt_t const frame_within_region = (framecnt_t) floor (mx * samples_per_pixel);
1334 if (!gain_line->control_points_adjacent (frame_within_region, before_p, after_p)) {
1335 /* no adjacent points */
1339 /*y is in item frame */
1340 double const bx = gain_line->nth (before_p)->get_x();
1341 double const ax = gain_line->nth (after_p)->get_x();
1342 double const click_ratio = (ax - mx) / (ax - bx);
1344 double y = ((gain_line->nth (before_p)->get_y() * click_ratio) + (gain_line->nth (after_p)->get_y() * (1 - click_ratio)));
1346 /* don't create points that can't be seen */
1348 update_envelope_visibility ();
1350 framepos_t rpos = region ()->position ();
1351 framepos_t fx = trackview.editor().pixel_to_sample (mx) + rpos;
1352 trackview.editor ().snap_to_with_modifier (fx, ev);
1355 if (fx > _region->length()) {
1359 /* compute vertical fractional position */
1361 y = 1.0 - (y / (gain_line->height()));
1363 /* map using gain line */
1365 gain_line->view_to_model_coord (mx, y);
1367 /* XXX STATEFUL: can't convert to stateful diff until we
1368 can represent automation data with it.
1371 XMLNode &before = audio_region()->envelope()->get_state();
1372 MementoCommand<AudioRegion>* region_memento = 0;
1374 if (!audio_region()->envelope_active()) {
1375 XMLNode ®ion_before = audio_region()->get_state();
1376 audio_region()->set_envelope_active(true);
1377 XMLNode ®ion_after = audio_region()->get_state();
1378 region_memento = new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after);
1381 if (audio_region()->envelope()->editor_add (fx, y, with_guard_points)) {
1382 XMLNode &after = audio_region()->envelope()->get_state();
1383 std::list<Selectable*> results;
1385 trackview.editor().begin_reversible_command (_("add gain control point"));
1387 if (region_memento) {
1388 trackview.session()->add_command (region_memento);
1391 trackview.session()->add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
1393 gain_line->get_selectables (fx + region ()->position (), fx + region ()->position (), 0.0, 1.0, results);
1394 trackview.editor ().get_selection ().set (results);
1396 trackview.editor ().commit_reversible_command ();
1397 trackview.session ()->set_dirty ();
1402 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent* /*ev*/)
1404 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
1405 audio_region()->envelope()->erase (cp->model());
1409 AudioRegionView::add_ghost (TimeAxisView& tv)
1411 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1417 double unit_position = _region->position () / samples_per_pixel;
1418 AudioGhostRegion* ghost = new AudioGhostRegion (*this, tv, trackview, unit_position);
1421 nchans = rtv->track()->n_channels().n_audio();
1423 for (uint32_t n = 0; n < nchans; ++n) {
1425 if (n >= audio_region()->n_channels()) {
1429 WaveView *wave = new WaveView (ghost->group, audio_region());
1430 CANVAS_DEBUG_NAME (wave, string_compose ("ghost wave for %1", get_item_name()));
1432 wave->set_channel (n);
1433 wave->set_samples_per_pixel (samples_per_pixel);
1434 wave->set_amplitude_above_axis (_amplitude_above_axis);
1436 ghost->waves.push_back(wave);
1439 ghost->set_height ();
1440 ghost->set_duration (_region->length() / samples_per_pixel);
1441 ghost->set_colors();
1442 ghosts.push_back (ghost);
1448 AudioRegionView::entered ()
1450 trackview.editor().set_current_trimmable (_region);
1451 trackview.editor().set_current_movable (_region);
1453 update_envelope_visibility();
1455 if ((trackview.editor().current_mouse_mode() == Editing::MouseObject)) {
1456 if (start_xfade_rect) {
1457 start_xfade_rect->set_outline (true);
1459 if (end_xfade_rect) {
1460 end_xfade_rect->set_outline (true);
1462 if (fade_in_handle) {
1463 fade_in_handle->show ();
1464 fade_in_handle->raise_to_top ();
1466 if (fade_out_handle) {
1467 fade_out_handle->show ();
1468 fade_out_handle->raise_to_top ();
1470 if (fade_in_trim_handle) {
1471 boost::shared_ptr<AudioRegion> ar (audio_region());
1472 if (!ar->locked() && (ar->fade_in()->back()->when > 64 || (ar->can_trim() & Trimmable::FrontTrimEarlier))) {
1473 fade_in_trim_handle->show ();
1474 fade_in_trim_handle->raise_to_top ();
1476 fade_in_trim_handle->hide ();
1479 if (fade_out_trim_handle) {
1480 boost::shared_ptr<AudioRegion> ar (audio_region());
1481 if (!ar->locked() && (ar->fade_out()->back()->when > 64 || (ar->can_trim() & Trimmable::EndTrimLater))) {
1482 fade_out_trim_handle->show ();
1483 fade_out_trim_handle->raise_to_top ();
1485 fade_out_trim_handle->hide ();
1488 } else { //this happens when we switch tools; if we switch away from Grab mode, hide all the fade handles
1489 if (fade_in_handle) { fade_in_handle->hide(); }
1490 if (fade_out_handle) { fade_out_handle->hide(); }
1491 if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
1492 if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
1493 if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
1494 if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
1499 AudioRegionView::exited ()
1501 trackview.editor().set_current_trimmable (boost::shared_ptr<Trimmable>());
1502 trackview.editor().set_current_movable (boost::shared_ptr<Movable>());
1505 // gain_line->remove_visibility (AutomationLine::ControlPoints);
1508 if (fade_in_handle) { fade_in_handle->hide(); }
1509 if (fade_out_handle) { fade_out_handle->hide(); }
1510 if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
1511 if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
1512 if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
1513 if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
1517 AudioRegionView::envelope_active_changed ()
1520 gain_line->set_line_color (audio_region()->envelope_active() ?
1521 UIConfiguration::instance().color ("gain line") :
1522 UIConfiguration::instance().color_mod ("gain line inactive", "gain line inactive"));
1523 update_envelope_visibility ();
1528 AudioRegionView::color_handler ()
1530 //case cMutedWaveForm:
1532 //case cWaveFormClip:
1536 //case cGainLineInactive:
1538 envelope_active_changed();
1543 AudioRegionView::set_waveform_colors ()
1545 set_some_waveform_colors (waves);
1549 AudioRegionView::set_some_waveform_colors (vector<ArdourCanvas::WaveView*>& waves_to_color)
1551 ArdourCanvas::Color fill;
1552 ArdourCanvas::Color outline;
1553 ArdourCanvas::Color clip = UIConfiguration::instance().color ("clipped waveform");
1554 ArdourCanvas::Color zero = UIConfiguration::instance().color ("zero line");
1557 if (_region->muted()) {
1558 /* hide outline with zero alpha */
1559 outline = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("selected waveform outline"), 0);
1560 fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("selected waveform fill"), MUTED_ALPHA);
1562 outline = UIConfiguration::instance().color ("selected waveform outline");
1563 fill = UIConfiguration::instance().color ("selected waveform fill");
1567 outline = UIConfiguration::instance().color ("recording waveform outline");
1568 fill = UIConfiguration::instance().color ("recording waveform fill");
1570 if (_region->muted()) {
1571 /* hide outline with zero alpha */
1572 outline = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform outline"), 0);
1573 fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform fill"), MUTED_ALPHA);
1575 outline = UIConfiguration::instance().color ("waveform outline");
1576 fill = UIConfiguration::instance().color ("waveform fill");
1581 for (vector<ArdourCanvas::WaveView*>::iterator w = waves_to_color.begin(); w != waves_to_color.end(); ++w) {
1582 (*w)->set_fill_color (fill);
1583 (*w)->set_outline_color (outline);
1584 (*w)->set_clip_color (clip);
1585 (*w)->set_zero_color (zero);
1590 AudioRegionView::set_frame_color ()
1596 RegionView::set_frame_color ();
1598 set_waveform_colors ();
1602 AudioRegionView::set_fade_visibility (bool yn)
1605 if (start_xfade_curve) { start_xfade_curve->show (); }
1606 if (end_xfade_curve) { end_xfade_curve->show (); }
1607 if (start_xfade_rect) { start_xfade_rect->show (); }
1608 if (end_xfade_rect) { end_xfade_rect->show (); }
1610 if (start_xfade_curve) { start_xfade_curve->hide(); }
1611 if (end_xfade_curve) { end_xfade_curve->hide(); }
1612 if (fade_in_handle) { fade_in_handle->hide(); }
1613 if (fade_out_handle) { fade_out_handle->hide(); }
1614 if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
1615 if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
1616 if (start_xfade_rect) { start_xfade_rect->hide (); }
1617 if (end_xfade_rect) { end_xfade_rect->hide (); }
1618 if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
1619 if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
1624 AudioRegionView::update_coverage_frames (LayerDisplay d)
1627 /* don't do coverage frames unless we're in stacked mode */
1631 RegionView::update_coverage_frames (d);
1633 if (fade_in_handle) { fade_in_handle->raise_to_top (); }
1634 if (fade_out_handle) { fade_out_handle->raise_to_top (); }
1635 if (fade_in_trim_handle) { fade_in_trim_handle->raise_to_top (); }
1636 if (fade_out_trim_handle) { fade_out_trim_handle->raise_to_top (); }
1640 AudioRegionView::show_region_editor ()
1643 editor = new AudioRegionEditor (trackview.session(), audio_region());
1651 AudioRegionView::transients_changed ()
1653 AnalysisFeatureList analysis_features;
1654 _region->transients (analysis_features);
1655 framepos_t position = _region->position();
1656 framepos_t first = _region->first_frame();
1657 framepos_t last = _region->last_frame();
1660 if (_height >= NAME_HIGHLIGHT_THRESH) {
1661 y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
1666 while (feature_lines.size() < analysis_features.size()) {
1667 ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(group);
1668 CANVAS_DEBUG_NAME (canvas_item, string_compose ("transient group for %1", region()->name()));
1669 canvas_item->set_outline_color (UIConfiguration::instance().color ("zero line")); // also in Editor::leave_handler()
1671 canvas_item->set (ArdourCanvas::Duple (-1.0, 2.0),
1672 ArdourCanvas::Duple (1.0, y1));
1674 canvas_item->raise_to_top ();
1675 canvas_item->show ();
1677 canvas_item->set_data ("regionview", this);
1678 canvas_item->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
1680 feature_lines.push_back (make_pair(0, canvas_item));
1683 while (feature_lines.size() > analysis_features.size()) {
1684 ArdourCanvas::Line* line = feature_lines.back().second;
1685 feature_lines.pop_back ();
1689 AnalysisFeatureList::const_iterator i;
1690 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1692 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
1694 float *pos = new float;
1695 *pos = trackview.editor().sample_to_pixel (*i - position);
1698 ArdourCanvas::Duple (*pos, 2.0),
1699 ArdourCanvas::Duple (*pos, y1)
1702 (*l).second->set_data ("position", pos); // is this *modified* (drag?), if not use *i
1705 if (l->first < first || l->first >= last) {
1714 AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
1716 /* Find frame at old pos, calulate new frame then update region transients*/
1717 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1719 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1721 /* Line has been updated in drag so we compare to new_pos */
1723 float* pos = (float*) (*l).second->get_data ("position");
1725 if (rint(new_pos) == rint(*pos)) {
1726 framepos_t position = _region->position();
1727 framepos_t old_frame = (*l).first;
1728 framepos_t new_frame = trackview.editor().pixel_to_sample (new_pos) + position;
1729 _region->update_transient (old_frame, new_frame);
1736 AudioRegionView::remove_transient (float pos)
1738 /* this is called from Editor::remove_transient () with pos == get_data ("position")
1739 * which is the item's x-coordinate inside the ARV.
1741 * Find frame at old pos, calulate new frame then update region transients
1743 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1745 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1746 float *line_pos = (float*) (*l).second->get_data ("position");
1747 if (rint(pos) == rint(*line_pos)) {
1748 _region->remove_transient ((*l).first);
1755 AudioRegionView::thaw_after_trim ()
1757 RegionView::thaw_after_trim ();
1764 AudioRegionView::show_xfades ()
1766 show_start_xfade ();
1771 AudioRegionView::drag_start ()
1773 TimeAxisViewItem::drag_start ();
1775 //we used to hide xfades here. I don't see the point with the new model, but we can re-implement if needed
1779 AudioRegionView::drag_end ()
1781 TimeAxisViewItem::drag_end ();
1782 //see comment for drag_start
1784 if (fade_in_handle && fade_in_handle->visible()) {
1785 // lenght of region or fade changed, re-check
1786 // if fade_in_trim_handle or fade_out_trim_handle should
1787 // be visible. -- If the fade_in_handle is visible
1788 // we have focus and are not in internal edit mode.
1794 AudioRegionView::parameter_changed (string const & p)
1796 if (p == "show-waveforms") {
1797 setup_waveform_visibility ();