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.
25 #include <gtkmm2ext/gtk_ui.h>
27 #include <ardour/playlist.h>
28 #include <ardour/audioregion.h>
29 #include <ardour/audiosource.h>
30 #include <ardour/audio_diskstream.h>
31 #include <ardour/profile.h>
33 #include <pbd/memento_command.h>
34 #include <pbd/stacktrace.h>
36 #include "streamview.h"
37 #include "audio_region_view.h"
38 #include "audio_time_axis.h"
39 #include "simplerect.h"
40 #include "simpleline.h"
42 #include "public_editor.h"
43 #include "audio_region_editor.h"
44 #include "region_gain_line.h"
45 #include "control_point.h"
46 #include "ghostregion.h"
47 #include "audio_time_axis.h"
49 #include "rgb_macros.h"
50 #include "gui_thread.h"
51 #include "ardour_ui.h"
55 #define MUTED_ALPHA 10
58 using namespace ARDOUR;
60 using namespace Editing;
61 using namespace ArdourCanvas;
63 static const int32_t sync_mark_width = 9;
65 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
66 Gdk::Color& basic_color)
67 : RegionView (parent, tv, r, spu, basic_color)
75 , _amplitude_above_axis(1.0)
81 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
82 Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
83 : RegionView (parent, tv, r, spu, basic_color, visibility)
91 , _amplitude_above_axis(1.0)
98 AudioRegionView::AudioRegionView (const AudioRegionView& other)
106 , _amplitude_above_axis(1.0)
114 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
115 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
121 AudioRegionView::init (Gdk::Color& basic_color, bool wfd)
123 // FIXME: Some redundancy here with RegionView::init. Need to figure out
124 // where order is important and where it isn't...
126 RegionView::init(basic_color, false);
130 _amplitude_above_axis = 1.0;
134 if ((node = _region->extra_xml ("GUI")) != 0) {
137 _flags = WaveformVisible;
141 if (trackview.editor.new_regionviews_display_gain()) {
142 _flags |= EnvelopeVisible;
145 compute_colors (basic_color);
149 fade_in_shape = new ArdourCanvas::Polygon (*group);
150 fade_in_shape->property_fill_color_rgba() = fade_color;
151 fade_in_shape->set_data ("regionview", this);
153 fade_out_shape = new ArdourCanvas::Polygon (*group);
154 fade_out_shape->property_fill_color_rgba() = fade_color;
155 fade_out_shape->set_data ("regionview", this);
160 UINT_TO_RGBA(fill_color,&r,&g,&b,&a);
163 fade_in_handle = new ArdourCanvas::SimpleRect (*group);
164 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
165 fade_in_handle->property_outline_pixels() = 0;
167 fade_in_handle->set_data ("regionview", this);
169 fade_out_handle = new ArdourCanvas::SimpleRect (*group);
170 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
171 fade_out_handle->property_outline_pixels() = 0;
173 fade_out_handle->set_data ("regionview", this);
176 setup_fade_handle_positions ();
178 string line_name = _region->name();
182 if (!Profile->get_sae()) {
183 gain_line = new AudioRegionGainLine (line_name, trackview.session(), *this, *group, audio_region()->envelope());
186 if (!(_flags & EnvelopeVisible)) {
194 set_y_position_and_height (0, trackview.height);
197 region_sync_changed ();
198 region_resized (BoundsChanged);
199 set_waveview_data_src();
201 envelope_active_changed ();
202 fade_in_active_changed ();
203 fade_out_active_changed ();
205 reset_width_dependent_items (_pixel_width);
207 fade_in_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
208 fade_in_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
209 fade_out_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
210 fade_out_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
214 /* XXX sync mark drag? */
217 AudioRegionView::~AudioRegionView ()
219 in_destructor = true;
221 RegionViewGoingAway (this); /* EMIT_SIGNAL */
223 for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
224 gnome_canvas_waveview_cache_destroy (*cache);
227 /* all waveviews etc will be destroyed when the group is destroyed */
234 boost::shared_ptr<ARDOUR::AudioRegion>
235 AudioRegionView::audio_region() const
237 // "Guaranteed" to succeed...
238 return boost::dynamic_pointer_cast<AudioRegion>(_region);
242 AudioRegionView::region_changed (Change what_changed)
244 ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionView::region_changed), what_changed));
246 RegionView::region_changed(what_changed);
248 if (what_changed & AudioRegion::ScaleAmplitudeChanged) {
249 region_scale_amplitude_changed ();
251 if (what_changed & AudioRegion::FadeInChanged) {
254 if (what_changed & AudioRegion::FadeOutChanged) {
257 if (what_changed & AudioRegion::FadeInActiveChanged) {
258 fade_in_active_changed ();
260 if (what_changed & AudioRegion::FadeOutActiveChanged) {
261 fade_out_active_changed ();
263 if (what_changed & AudioRegion::EnvelopeActiveChanged) {
264 envelope_active_changed ();
269 AudioRegionView::fade_in_changed ()
271 reset_fade_in_shape ();
275 AudioRegionView::fade_out_changed ()
277 reset_fade_out_shape ();
280 AudioRegionView::fade_in_active_changed ()
284 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
286 if (audio_region()->fade_in_active()) {
287 col = RGBA_TO_UINT(r,g,b,120);
288 fade_in_shape->property_fill_color_rgba() = col;
289 fade_in_shape->property_width_pixels() = 0;
290 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
292 col = RGBA_TO_UINT(r,g,b,0);
293 fade_in_shape->property_fill_color_rgba() = col;
294 fade_in_shape->property_width_pixels() = 1;
295 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
300 AudioRegionView::fade_out_active_changed ()
304 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
306 if (audio_region()->fade_out_active()) {
307 col = RGBA_TO_UINT(r,g,b,120);
308 fade_out_shape->property_fill_color_rgba() = col;
309 fade_out_shape->property_width_pixels() = 0;
310 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
312 col = RGBA_TO_UINT(r,g,b,0);
313 fade_out_shape->property_fill_color_rgba() = col;
314 fade_out_shape->property_width_pixels() = 1;
315 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
321 AudioRegionView::region_scale_amplitude_changed ()
323 ENSURE_GUI_THREAD (mem_fun(*this, &AudioRegionView::region_scale_amplitude_changed));
325 for (uint32_t n = 0; n < waves.size(); ++n) {
326 // force a reload of the cache
327 waves[n]->property_data_src() = _region.get();
332 AudioRegionView::region_renamed ()
334 Glib::ustring str = RegionView::make_name ();
336 if (audio_region()->speed_mismatch (trackview.session().frame_rate())) {
337 str = string ("*") + str;
340 if (_region->muted()) {
341 str = string ("!") + str;
344 set_item_name (str, this);
349 AudioRegionView::region_resized (Change what_changed)
351 RegionView::region_resized(what_changed);
353 if (what_changed & Change (StartChanged|LengthChanged)) {
355 for (uint32_t n = 0; n < waves.size(); ++n) {
356 waves[n]->property_region_start() = _region->start();
359 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
361 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
362 (*w)->property_region_start() = _region->start();
369 AudioRegionView::reset_width_dependent_items (double pixel_width)
371 RegionView::reset_width_dependent_items(pixel_width);
372 assert(_pixel_width == pixel_width);
375 zero_line->property_x2() = pixel_width - 1.0;
378 if (fade_in_handle) {
379 if (pixel_width <= 6.0) {
380 fade_in_handle->hide();
381 fade_out_handle->hide();
384 fade_in_handle->hide();
385 fade_out_handle->hide();
387 fade_in_handle->show();
388 fade_out_handle->show();
393 reset_fade_shapes ();
397 AudioRegionView::region_muted ()
399 RegionView::region_muted();
401 for (uint32_t n=0; n < waves.size(); ++n) {
402 if (_region->muted()) {
403 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
405 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
411 AudioRegionView::set_y_position_and_height (double y, double h)
413 RegionView::set_y_position_and_height(y, h - 1);
415 const uint32_t wcnt = waves.size();
420 for (uint32_t n = 0; n < wcnt; ++n) {
423 if (h <= NAME_HIGHLIGHT_THRESH) {
424 ht = ((_height - 2 * wcnt) / (double) wcnt);
426 ht = (((_height - 2 * wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
429 double const yoff = n * (ht + 1);
431 waves[n]->property_height() = ht;
432 waves[n]->property_y() = _y_position + yoff + 2;
436 if ((_height / wcnt) < NAME_HIGHLIGHT_SIZE) {
439 if (_flags & EnvelopeVisible) {
443 gain_line->set_y_position_and_height ((uint32_t) _y_position, (uint32_t) rint (_height - NAME_HIGHLIGHT_SIZE));
446 setup_fade_handle_positions ();
448 reset_fade_shapes ();
451 name_text->raise_to_top();
456 AudioRegionView::setup_fade_handle_positions()
458 /* position of fade handle offset from the top of the region view */
459 double const handle_pos = 2;
460 /* height of fade handles */
461 double const handle_height = 5;
463 if (fade_in_handle) {
464 fade_in_handle->property_y1() = _y_position + handle_pos;
465 fade_in_handle->property_y2() = _y_position + handle_pos + handle_height;
468 if (fade_out_handle) {
469 fade_out_handle->property_y1() = _y_position + handle_pos;
470 fade_out_handle->property_y2() = _y_position + handle_pos + handle_height;
475 AudioRegionView::manage_zero_line ()
481 if (_height >= 100) {
482 double const wave_midpoint = _y_position + (_height - NAME_HIGHLIGHT_SIZE) / 2.0;
483 zero_line->property_y1() = wave_midpoint;
484 zero_line->property_y2() = wave_midpoint;
492 AudioRegionView::reset_fade_shapes ()
494 reset_fade_in_shape ();
495 reset_fade_out_shape ();
499 AudioRegionView::reset_fade_in_shape ()
501 reset_fade_in_shape_width ((nframes_t) audio_region()->fade_in()->back()->when);
505 AudioRegionView::reset_fade_in_shape_width (nframes_t width)
507 if (fade_in_handle == 0) {
511 /* smallest size for a fade is 64 frames */
513 width = std::max ((nframes_t) 64, width);
516 double pwidth = width / samples_per_unit;
517 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
521 fade_in_shape->hide();
522 fade_in_handle->hide();
526 double handle_center;
527 handle_center = pwidth;
529 if (handle_center > 7.0) {
530 handle_center -= 3.0;
535 fade_in_handle->property_x1() = handle_center - 3.0;
536 fade_in_handle->property_x2() = handle_center + 3.0;
539 fade_in_shape->hide();
543 fade_in_shape->show();
545 float curve[npoints];
546 audio_region()->fade_in()->curve().get_vector (0, audio_region()->fade_in()->back()->when, curve, npoints);
548 points = get_canvas_points ("fade in shape", npoints+3);
550 if (_height > NAME_HIGHLIGHT_THRESH) {
551 h = _height - NAME_HIGHLIGHT_SIZE;
556 /* points *MUST* be in anti-clockwise order */
559 double xdelta = pwidth/npoints;
561 for (pi = 0, pc = 0; pc < npoints; ++pc) {
562 (*points)[pi].set_x(1 + (pc * xdelta));
563 (*points)[pi++].set_y(_y_position + 2 + (h - (curve[pc] * h)));
568 (*points)[pi].set_x(pwidth);
569 (*points)[pi++].set_y(_y_position + 2);
571 (*points)[pi].set_x(1);
572 (*points)[pi++].set_y(_y_position + 2);
574 /* connect the dots ... */
576 (*points)[pi] = (*points)[0];
578 fade_in_shape->property_points() = *points;
583 AudioRegionView::reset_fade_out_shape ()
585 reset_fade_out_shape_width ((nframes_t) audio_region()->fade_out()->back()->when);
589 AudioRegionView::reset_fade_out_shape_width (nframes_t width)
591 if (fade_out_handle == 0) {
595 /* smallest size for a fade is 64 frames */
597 width = std::max ((nframes_t) 64, width);
600 double pwidth = width / samples_per_unit;
601 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
605 fade_out_shape->hide();
606 fade_out_handle->hide();
610 double handle_center;
611 handle_center = (_region->length() - width) / samples_per_unit;
613 if (handle_center > 7.0) {
614 handle_center -= 3.0;
619 fade_out_handle->property_x1() = handle_center - 3.0;
620 fade_out_handle->property_x2() = handle_center + 3.0;
622 /* don't show shape if its too small */
625 fade_out_shape->hide();
629 fade_out_shape->show();
631 float curve[npoints];
632 audio_region()->fade_out()->curve().get_vector (0, audio_region()->fade_out()->back()->when, curve, npoints);
634 if (_height > NAME_HIGHLIGHT_THRESH) {
635 h = _height - NAME_HIGHLIGHT_SIZE;
640 /* points *MUST* be in anti-clockwise order */
642 points = get_canvas_points ("fade out shape", npoints+3);
645 double xdelta = pwidth/npoints;
647 for (pi = 0, pc = 0; pc < npoints; ++pc) {
648 (*points)[pi].set_x(_pixel_width - 1 - pwidth + (pc*xdelta));
649 (*points)[pi++].set_y(_y_position + 2 + (h - (curve[pc] * h)));
654 (*points)[pi].set_x(_pixel_width);
655 (*points)[pi++].set_y(_y_position + h);
657 (*points)[pi].set_x(_pixel_width);
658 (*points)[pi++].set_y(_y_position + 2);
660 /* connect the dots ... */
662 (*points)[pi] = (*points)[0];
664 fade_out_shape->property_points() = *points;
669 AudioRegionView::set_samples_per_unit (gdouble spu)
671 RegionView::set_samples_per_unit (spu);
673 if (_flags & WaveformVisible) {
674 for (uint32_t n=0; n < waves.size(); ++n) {
675 waves[n]->property_samples_per_unit() = spu;
683 reset_fade_shapes ();
687 AudioRegionView::set_amplitude_above_axis (gdouble spp)
689 for (uint32_t n=0; n < waves.size(); ++n) {
690 waves[n]->property_amplitude_above_axis() = spp;
695 AudioRegionView::compute_colors (Gdk::Color& basic_color)
697 RegionView::compute_colors(basic_color);
701 /* gain color computed in envelope_active_changed() */
703 UINT_TO_RGBA (fill_color, &r, &g, &b, &a);
704 fade_color = RGBA_TO_UINT(r,g,b,120);
708 AudioRegionView::set_colors ()
710 RegionView::set_colors();
713 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
716 for (uint32_t n=0; n < waves.size(); ++n) {
717 if (_region->muted()) {
718 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
720 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
723 waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
724 waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
729 AudioRegionView::show_region_editor ()
732 editor = new AudioRegionEditor (trackview.session(), audio_region(), *this);
733 // GTK2FIX : how to ensure float without realizing
734 // editor->realize ();
735 // trackview.editor.ensure_float (*editor);
743 AudioRegionView::set_waveform_visible (bool yn)
745 if (((_flags & WaveformVisible) != yn)) {
747 for (uint32_t n=0; n < waves.size(); ++n) {
748 /* make sure the zoom level is correct, since we don't update
749 this when waveforms are hidden.
751 waves[n]->property_samples_per_unit() = samples_per_unit;
754 _flags |= WaveformVisible;
756 for (uint32_t n=0; n < waves.size(); ++n) {
759 _flags &= ~WaveformVisible;
766 AudioRegionView::temporarily_hide_envelope ()
774 AudioRegionView::unhide_envelope ()
776 if (gain_line && (_flags & EnvelopeVisible)) {
782 AudioRegionView::set_envelope_visible (bool yn)
784 if (gain_line && ((_flags & EnvelopeVisible) != yn)) {
787 _flags |= EnvelopeVisible;
790 _flags &= ~EnvelopeVisible;
797 AudioRegionView::create_waves ()
799 //cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
800 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
802 if (!atv.get_diskstream()) {
806 ChanCount nchans = atv.get_diskstream()->n_channels();
808 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
809 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
810 tmp_waves.push_back (0);
813 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
815 if (n >= audio_region()->n_channels()) {
819 wave_caches.push_back (WaveView::create_cache ());
822 create_one_wave (n, true);
829 AudioRegionView::create_one_wave (uint32_t which, bool direct)
831 //cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
832 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
833 uint32_t nchans = atv.get_diskstream()->n_channels().n_audio();
835 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
838 if (trackview.height < NAME_HIGHLIGHT_SIZE) {
839 ht = ((trackview.height) / (double) nchans);
841 ht = ((trackview.height - NAME_HIGHLIGHT_SIZE) / (double) nchans);
844 gdouble yoff = which * ht;
846 WaveView *wave = new WaveView(*group);
848 wave->property_data_src() = (gpointer) _region.get();
849 wave->property_cache() = wave_caches[which];
850 wave->property_cache_updater() = true;
851 wave->property_channel() = which;
852 wave->property_length_function() = (gpointer) region_length_from_c;
853 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
854 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
855 wave->property_x() = 0.0;
856 wave->property_y() = yoff;
857 wave->property_height() = (double) ht;
858 wave->property_samples_per_unit() = samples_per_unit;
859 wave->property_amplitude_above_axis() = _amplitude_above_axis;
860 wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_WaveForm.get();
861 wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
862 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
863 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
864 wave->property_region_start() = _region->start();
865 wave->property_rectified() = (bool) (_flags & WaveformRectified);
866 wave->property_logscaled() = (bool) (_flags & WaveformLogScaled);
868 if (!(_flags & WaveformVisible)) {
872 /* note: calling this function is serialized by the lock
873 held in the peak building thread that signals that
874 peaks are ready for use *or* by the fact that it is
875 called one by one from the GUI thread.
878 if (which < nchans) {
879 tmp_waves[which] = wave;
881 /* n-channel track, >n-channel source */
884 /* see if we're all ready */
886 for (n = 0; n < nchans; ++n) {
887 if (tmp_waves[n] == 0) {
892 if (n == nwaves && waves.empty()) {
893 /* all waves are ready */
894 tmp_waves.resize(nwaves);
899 /* all waves created, don't hook into peaks ready anymore */
900 data_ready_connection.disconnect ();
904 zero_line = new ArdourCanvas::SimpleLine (*group);
905 zero_line->property_x1() = (gdouble) 1.0;
906 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
907 zero_line->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
914 AudioRegionView::peaks_ready_handler (uint32_t which)
916 //Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
917 cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
921 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
923 if (gain_line == 0) {
929 /* don't create points that can't be seen */
931 set_envelope_visible (true);
938 nframes_t fx = trackview.editor.pixel_to_frame (x);
940 if (fx > _region->length()) {
944 /* compute vertical fractional position */
946 y = 1.0 - ((y - _y_position) / (_height - NAME_HIGHLIGHT_SIZE));
948 /* map using gain line */
950 gain_line->view_to_model_y (y);
952 trackview.session().begin_reversible_command (_("add gain control point"));
953 XMLNode &before = audio_region()->envelope()->get_state();
955 if (!audio_region()->envelope_active()) {
956 XMLNode ®ion_before = audio_region()->get_state();
957 audio_region()->set_envelope_active(true);
958 XMLNode ®ion_after = audio_region()->get_state();
959 trackview.session().add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
962 audio_region()->envelope()->add (fx, y);
964 XMLNode &after = audio_region()->envelope()->get_state();
965 trackview.session().add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
966 trackview.session().commit_reversible_command ();
970 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
972 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
973 audio_region()->envelope()->erase (cp->model());
977 AudioRegionView::store_flags()
979 XMLNode *node = new XMLNode ("GUI");
981 node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no");
982 node->add_property ("envelope-visible", (_flags & EnvelopeVisible) ? "yes" : "no");
983 node->add_property ("waveform-rectified", (_flags & WaveformRectified) ? "yes" : "no");
984 node->add_property ("waveform-logscaled", (_flags & WaveformLogScaled) ? "yes" : "no");
986 _region->add_extra_xml (*node);
990 AudioRegionView::set_flags (XMLNode* node)
994 if ((prop = node->property ("waveform-visible")) != 0) {
995 if (prop->value() == "yes") {
996 _flags |= WaveformVisible;
1000 if ((prop = node->property ("envelope-visible")) != 0) {
1001 if (prop->value() == "yes") {
1002 _flags |= EnvelopeVisible;
1006 if ((prop = node->property ("waveform-rectified")) != 0) {
1007 if (prop->value() == "yes") {
1008 _flags |= WaveformRectified;
1012 if ((prop = node->property ("waveform-logscaled")) != 0) {
1013 if (prop->value() == "yes") {
1014 _flags |= WaveformLogScaled;
1020 AudioRegionView::set_waveform_shape (WaveformShape shape)
1024 /* this slightly odd approach is to leave the door open to
1025 other "shapes" such as spectral displays, etc.
1038 if (yn != (bool) (_flags & WaveformRectified)) {
1039 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1040 (*wave)->property_rectified() = yn;
1052 _flags |= WaveformRectified;
1054 _flags &= ~WaveformRectified;
1061 AudioRegionView::set_waveform_scale (WaveformScale scale)
1063 bool yn = (scale == LogWaveform);
1065 if (yn != (bool) (_flags & WaveformLogScaled)) {
1066 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1067 (*wave)->property_logscaled() = yn;
1071 _flags |= WaveformLogScaled;
1073 _flags &= ~WaveformLogScaled;
1081 AudioRegionView::add_ghost (AutomationTimeAxisView& atv)
1083 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1086 double unit_position = _region->position () / samples_per_unit;
1087 GhostRegion* ghost = new GhostRegion (atv, unit_position);
1090 nchans = rtv->get_diskstream()->n_channels().n_audio();
1092 for (uint32_t n = 0; n < nchans; ++n) {
1094 if (n >= audio_region()->n_channels()) {
1098 WaveView *wave = new WaveView(*ghost->group);
1100 wave->property_data_src() = _region.get();
1101 wave->property_cache() = wave_caches[n];
1102 wave->property_cache_updater() = false;
1103 wave->property_channel() = n;
1104 wave->property_length_function() = (gpointer)region_length_from_c;
1105 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1106 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1107 wave->property_x() = 0.0;
1108 wave->property_samples_per_unit() = samples_per_unit;
1109 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1110 wave->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
1111 wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
1112 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
1113 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
1114 wave->property_region_start() = _region->start();
1116 ghost->waves.push_back(wave);
1119 ghost->set_height ();
1120 ghost->set_duration (_region->length() / samples_per_unit);
1121 ghosts.push_back (ghost);
1123 ghost->GoingAway.connect (mem_fun(*this, &AudioRegionView::remove_ghost));
1129 AudioRegionView::entered ()
1131 if (gain_line && _flags & EnvelopeVisible) {
1132 gain_line->show_all_control_points ();
1136 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1139 if (fade_in_handle) {
1140 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1141 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1146 AudioRegionView::exited ()
1149 gain_line->hide_all_but_selected_control_points ();
1153 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1156 if (fade_in_handle) {
1157 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1158 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1163 AudioRegionView::envelope_active_changed ()
1166 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
1171 AudioRegionView::set_waveview_data_src()
1174 double unit_length= _region->length() / samples_per_unit;
1176 for (uint32_t n = 0; n < waves.size(); ++n) {
1177 // TODO: something else to let it know the channel
1178 waves[n]->property_data_src() = _region.get();
1181 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1183 (*i)->set_duration (unit_length);
1185 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
1186 (*w)->property_data_src() = _region.get();
1193 AudioRegionView::color_handler ()
1195 //case cMutedWaveForm:
1197 //case cWaveFormClip:
1201 //case cGainLineInactive:
1203 envelope_active_changed();
1208 AudioRegionView::set_frame_color ()
1214 if (_region->opaque()) {
1222 if (_selected && should_show_selection) {
1223 UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get(), &r, &g, &b, &a);
1224 frame->property_fill_color_rgba() = RGBA_TO_UINT(r, g, b, fill_opacity ? fill_opacity : a);
1226 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1227 if (_region->muted()) {
1228 (*w)->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_SelectedWaveForm.get(), MUTED_ALPHA);
1230 (*w)->property_wave_color() = ARDOUR_UI::config()->canvasvar_SelectedWaveForm.get();
1231 (*w)->property_fill_color() = ARDOUR_UI::config()->canvasvar_SelectedWaveFormFill.get();
1235 UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_FrameBase.get(), &r, &g, &b, &a);
1236 frame->property_fill_color_rgba() = RGBA_TO_UINT(r, g, b, fill_opacity ? fill_opacity : a);
1238 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1239 if (_region->muted()) {
1240 (*w)->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
1242 (*w)->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
1243 (*w)->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();