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);
414 RegionView::set_height (h);
416 const uint32_t wcnt = waves.size();
421 for (uint32_t n = 0; n < wcnt; ++n) {
424 if (h <= NAME_HIGHLIGHT_THRESH) {
425 ht = ((_height - 2 * wcnt) / (double) wcnt);
427 ht = (((_height - 2 * wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
430 double const yoff = n * (ht + 1);
432 waves[n]->property_height() = ht;
433 waves[n]->property_y() = _y_position + yoff + 2;
437 if ((_height / wcnt) < NAME_HIGHLIGHT_SIZE) {
440 if (_flags & EnvelopeVisible) {
444 gain_line->set_y_position_and_height ((uint32_t) _y_position, (uint32_t) rint (_height - NAME_HIGHLIGHT_SIZE));
447 setup_fade_handle_positions ();
449 reset_fade_shapes ();
452 name_text->raise_to_top();
457 AudioRegionView::setup_fade_handle_positions()
459 /* position of fade handle offset from the top of the region view */
460 double const handle_pos = 2;
461 /* height of fade handles */
462 double const handle_height = 5;
464 if (fade_in_handle) {
465 fade_in_handle->property_y1() = _y_position + handle_pos;
466 fade_in_handle->property_y2() = _y_position + handle_pos + handle_height;
469 if (fade_out_handle) {
470 fade_out_handle->property_y1() = _y_position + handle_pos;
471 fade_out_handle->property_y2() = _y_position + handle_pos + handle_height;
476 AudioRegionView::manage_zero_line ()
482 if (_height >= 100) {
483 double const wave_midpoint = _y_position + (_height - NAME_HIGHLIGHT_SIZE) / 2.0;
484 zero_line->property_y1() = wave_midpoint;
485 zero_line->property_y2() = wave_midpoint;
493 AudioRegionView::reset_fade_shapes ()
495 reset_fade_in_shape ();
496 reset_fade_out_shape ();
500 AudioRegionView::reset_fade_in_shape ()
502 reset_fade_in_shape_width ((nframes_t) audio_region()->fade_in()->back()->when);
506 AudioRegionView::reset_fade_in_shape_width (nframes_t width)
508 if (fade_in_handle == 0) {
512 /* smallest size for a fade is 64 frames */
514 width = std::max ((nframes_t) 64, width);
517 double pwidth = width / samples_per_unit;
518 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
522 fade_in_shape->hide();
523 fade_in_handle->hide();
527 double handle_center;
528 handle_center = pwidth;
530 if (handle_center > 7.0) {
531 handle_center -= 3.0;
536 fade_in_handle->property_x1() = handle_center - 3.0;
537 fade_in_handle->property_x2() = handle_center + 3.0;
540 fade_in_shape->hide();
544 fade_in_shape->show();
546 float curve[npoints];
547 audio_region()->fade_in()->curve().get_vector (0, audio_region()->fade_in()->back()->when, curve, npoints);
549 points = get_canvas_points ("fade in shape", npoints+3);
551 if (_height > NAME_HIGHLIGHT_THRESH) {
552 h = _height - NAME_HIGHLIGHT_SIZE;
557 /* points *MUST* be in anti-clockwise order */
560 double xdelta = pwidth/npoints;
562 for (pi = 0, pc = 0; pc < npoints; ++pc) {
563 (*points)[pi].set_x(1 + (pc * xdelta));
564 (*points)[pi++].set_y(_y_position + 2 + (h - (curve[pc] * h)));
569 (*points)[pi].set_x(pwidth);
570 (*points)[pi++].set_y(_y_position + 2);
572 (*points)[pi].set_x(1);
573 (*points)[pi++].set_y(_y_position + 2);
575 /* connect the dots ... */
577 (*points)[pi] = (*points)[0];
579 fade_in_shape->property_points() = *points;
584 AudioRegionView::reset_fade_out_shape ()
586 reset_fade_out_shape_width ((nframes_t) audio_region()->fade_out()->back()->when);
590 AudioRegionView::reset_fade_out_shape_width (nframes_t width)
592 if (fade_out_handle == 0) {
596 /* smallest size for a fade is 64 frames */
598 width = std::max ((nframes_t) 64, width);
601 double pwidth = width / samples_per_unit;
602 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
606 fade_out_shape->hide();
607 fade_out_handle->hide();
611 double handle_center;
612 handle_center = (_region->length() - width) / samples_per_unit;
614 if (handle_center > 7.0) {
615 handle_center -= 3.0;
620 fade_out_handle->property_x1() = handle_center - 3.0;
621 fade_out_handle->property_x2() = handle_center + 3.0;
623 /* don't show shape if its too small */
626 fade_out_shape->hide();
630 fade_out_shape->show();
632 float curve[npoints];
633 audio_region()->fade_out()->curve().get_vector (0, audio_region()->fade_out()->back()->when, curve, npoints);
635 if (_height > NAME_HIGHLIGHT_THRESH) {
636 h = _height - NAME_HIGHLIGHT_SIZE;
641 /* points *MUST* be in anti-clockwise order */
643 points = get_canvas_points ("fade out shape", npoints+3);
646 double xdelta = pwidth/npoints;
648 for (pi = 0, pc = 0; pc < npoints; ++pc) {
649 (*points)[pi].set_x(_pixel_width - 1 - pwidth + (pc*xdelta));
650 (*points)[pi++].set_y(_y_position + 2 + (h - (curve[pc] * h)));
655 (*points)[pi].set_x(_pixel_width);
656 (*points)[pi++].set_y(_y_position + h);
658 (*points)[pi].set_x(_pixel_width);
659 (*points)[pi++].set_y(_y_position + 2);
661 /* connect the dots ... */
663 (*points)[pi] = (*points)[0];
665 fade_out_shape->property_points() = *points;
670 AudioRegionView::set_samples_per_unit (gdouble spu)
672 RegionView::set_samples_per_unit (spu);
674 if (_flags & WaveformVisible) {
675 for (uint32_t n=0; n < waves.size(); ++n) {
676 waves[n]->property_samples_per_unit() = spu;
684 reset_fade_shapes ();
688 AudioRegionView::set_amplitude_above_axis (gdouble spp)
690 for (uint32_t n=0; n < waves.size(); ++n) {
691 waves[n]->property_amplitude_above_axis() = spp;
696 AudioRegionView::compute_colors (Gdk::Color& basic_color)
698 RegionView::compute_colors(basic_color);
702 /* gain color computed in envelope_active_changed() */
704 UINT_TO_RGBA (fill_color, &r, &g, &b, &a);
705 fade_color = RGBA_TO_UINT(r,g,b,120);
709 AudioRegionView::set_colors ()
711 RegionView::set_colors();
714 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
717 for (uint32_t n=0; n < waves.size(); ++n) {
718 if (_region->muted()) {
719 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
721 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
724 waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
725 waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
730 AudioRegionView::show_region_editor ()
733 editor = new AudioRegionEditor (trackview.session(), audio_region(), *this);
734 // GTK2FIX : how to ensure float without realizing
735 // editor->realize ();
736 // trackview.editor.ensure_float (*editor);
744 AudioRegionView::set_waveform_visible (bool yn)
746 if (((_flags & WaveformVisible) != yn)) {
748 for (uint32_t n=0; n < waves.size(); ++n) {
749 /* make sure the zoom level is correct, since we don't update
750 this when waveforms are hidden.
752 waves[n]->property_samples_per_unit() = samples_per_unit;
755 _flags |= WaveformVisible;
757 for (uint32_t n=0; n < waves.size(); ++n) {
760 _flags &= ~WaveformVisible;
767 AudioRegionView::temporarily_hide_envelope ()
775 AudioRegionView::unhide_envelope ()
777 if (gain_line && (_flags & EnvelopeVisible)) {
783 AudioRegionView::set_envelope_visible (bool yn)
785 if (gain_line && ((_flags & EnvelopeVisible) != yn)) {
788 _flags |= EnvelopeVisible;
791 _flags &= ~EnvelopeVisible;
798 AudioRegionView::create_waves ()
800 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
802 if (!atv.get_diskstream()) {
806 uint32_t nchans = atv.get_diskstream()->n_channels().n_audio();
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) {
810 tmp_waves.push_back (0);
813 for (uint32_t n = 0; n < nchans; ++n) {
815 if (n >= audio_region()->n_channels()) {
819 wave_caches.push_back (WaveView::create_cache ());
822 if (audio_region()->audio_source(n)->peaks_ready (bind (mem_fun(*this, &AudioRegionView::peaks_ready_handler), n), data_ready_connection)) {
823 create_one_wave (n, true);
825 // we'll get a PeaksReady signal from the source in the future
826 // and will call create_one_wave(n) then.
829 create_one_wave (n, true);
835 AudioRegionView::create_one_wave (uint32_t which, bool direct)
837 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
838 uint32_t nchans = atv.get_diskstream()->n_channels().n_audio();
840 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
843 if (trackview.height < NAME_HIGHLIGHT_SIZE) {
844 ht = ((trackview.height) / (double) nchans);
846 ht = ((trackview.height - NAME_HIGHLIGHT_SIZE) / (double) nchans);
849 gdouble yoff = which * ht;
851 WaveView *wave = new WaveView(*group);
853 wave->property_data_src() = (gpointer) _region.get();
854 wave->property_cache() = wave_caches[which];
855 wave->property_cache_updater() = true;
856 wave->property_channel() = which;
857 wave->property_length_function() = (gpointer) region_length_from_c;
858 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
859 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
860 wave->property_x() = 0.0;
861 wave->property_y() = yoff;
862 wave->property_height() = (double) ht;
863 wave->property_samples_per_unit() = samples_per_unit;
864 wave->property_amplitude_above_axis() = _amplitude_above_axis;
865 wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_WaveForm.get();
866 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
867 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
868 wave->property_region_start() = _region->start();
869 wave->property_rectified() = (bool) (_flags & WaveformRectified);
870 wave->property_logscaled() = (bool) (_flags & WaveformLogScaled);
872 if (!(_flags & WaveformVisible)) {
876 /* note: calling this function is serialized by the lock
877 held in the peak building thread that signals that
878 peaks are ready for use *or* by the fact that it is
879 called one by one from the GUI thread.
882 if (which < nchans) {
883 tmp_waves[which] = wave;
885 /* n-channel track, >n-channel source */
888 /* see if we're all ready */
890 for (n = 0; n < nchans; ++n) {
891 if (tmp_waves[n] == 0) {
896 if (n == nwaves && waves.empty()) {
897 /* all waves are ready */
898 tmp_waves.resize(nwaves);
903 /* all waves created, don't hook into peaks ready anymore */
904 data_ready_connection.disconnect ();
908 zero_line = new ArdourCanvas::SimpleLine (*group);
909 zero_line->property_x1() = (gdouble) 1.0;
910 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
911 zero_line->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
918 AudioRegionView::peaks_ready_handler (uint32_t which)
920 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
924 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
926 if (gain_line == 0) {
932 /* don't create points that can't be seen */
934 set_envelope_visible (true);
941 nframes_t fx = trackview.editor.pixel_to_frame (x);
943 if (fx > _region->length()) {
947 /* compute vertical fractional position */
949 y = 1.0 - ((y - _y_position) / (_height - NAME_HIGHLIGHT_SIZE));
951 /* map using gain line */
953 gain_line->view_to_model_y (y);
955 trackview.session().begin_reversible_command (_("add gain control point"));
956 XMLNode &before = audio_region()->envelope()->get_state();
958 if (!audio_region()->envelope_active()) {
959 XMLNode ®ion_before = audio_region()->get_state();
960 audio_region()->set_envelope_active(true);
961 XMLNode ®ion_after = audio_region()->get_state();
962 trackview.session().add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
965 audio_region()->envelope()->add (fx, y);
967 XMLNode &after = audio_region()->envelope()->get_state();
968 trackview.session().add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
969 trackview.session().commit_reversible_command ();
973 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
975 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
976 audio_region()->envelope()->erase (cp->model());
980 AudioRegionView::store_flags()
982 XMLNode *node = new XMLNode ("GUI");
984 node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no");
985 node->add_property ("envelope-visible", (_flags & EnvelopeVisible) ? "yes" : "no");
986 node->add_property ("waveform-rectified", (_flags & WaveformRectified) ? "yes" : "no");
987 node->add_property ("waveform-logscaled", (_flags & WaveformLogScaled) ? "yes" : "no");
989 _region->add_extra_xml (*node);
993 AudioRegionView::set_flags (XMLNode* node)
997 if ((prop = node->property ("waveform-visible")) != 0) {
998 if (prop->value() == "yes") {
999 _flags |= WaveformVisible;
1003 if ((prop = node->property ("envelope-visible")) != 0) {
1004 if (prop->value() == "yes") {
1005 _flags |= EnvelopeVisible;
1009 if ((prop = node->property ("waveform-rectified")) != 0) {
1010 if (prop->value() == "yes") {
1011 _flags |= WaveformRectified;
1015 if ((prop = node->property ("waveform-logscaled")) != 0) {
1016 if (prop->value() == "yes") {
1017 _flags |= WaveformLogScaled;
1023 AudioRegionView::set_waveform_shape (WaveformShape shape)
1027 /* this slightly odd approach is to leave the door open to
1028 other "shapes" such as spectral displays, etc.
1041 if (yn != (bool) (_flags & WaveformRectified)) {
1042 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1043 (*wave)->property_rectified() = yn;
1055 _flags |= WaveformRectified;
1057 _flags &= ~WaveformRectified;
1064 AudioRegionView::set_waveform_scale (WaveformScale scale)
1066 bool yn = (scale == LogWaveform);
1068 if (yn != (bool) (_flags & WaveformLogScaled)) {
1069 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1070 (*wave)->property_logscaled() = yn;
1074 _flags |= WaveformLogScaled;
1076 _flags &= ~WaveformLogScaled;
1084 AudioRegionView::add_ghost (AutomationTimeAxisView& atv)
1086 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1089 double unit_position = _region->position () / samples_per_unit;
1090 GhostRegion* ghost = new GhostRegion (atv, unit_position);
1093 nchans = rtv->get_diskstream()->n_channels().n_audio();
1095 for (uint32_t n = 0; n < nchans; ++n) {
1097 if (n >= audio_region()->n_channels()) {
1101 WaveView *wave = new WaveView(*ghost->group);
1103 wave->property_data_src() = _region.get();
1104 wave->property_cache() = wave_caches[n];
1105 wave->property_cache_updater() = false;
1106 wave->property_channel() = n;
1107 wave->property_length_function() = (gpointer)region_length_from_c;
1108 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1109 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1110 wave->property_x() = 0.0;
1111 wave->property_samples_per_unit() = samples_per_unit;
1112 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1113 wave->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
1114 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
1115 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
1116 wave->property_region_start() = _region->start();
1118 ghost->waves.push_back(wave);
1121 ghost->set_height ();
1122 ghost->set_duration (_region->length() / samples_per_unit);
1123 ghosts.push_back (ghost);
1125 ghost->GoingAway.connect (mem_fun(*this, &AudioRegionView::remove_ghost));
1131 AudioRegionView::entered ()
1133 if (gain_line && _flags & EnvelopeVisible) {
1134 gain_line->show_all_control_points ();
1138 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1141 if (fade_in_handle) {
1142 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1143 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1148 AudioRegionView::exited ()
1151 gain_line->hide_all_but_selected_control_points ();
1155 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1158 if (fade_in_handle) {
1159 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1160 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1165 AudioRegionView::envelope_active_changed ()
1168 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
1173 AudioRegionView::set_waveview_data_src()
1176 double unit_length= _region->length() / samples_per_unit;
1178 for (uint32_t n = 0; n < waves.size(); ++n) {
1179 // TODO: something else to let it know the channel
1180 waves[n]->property_data_src() = _region.get();
1183 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1185 (*i)->set_duration (unit_length);
1187 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
1188 (*w)->property_data_src() = _region.get();
1195 AudioRegionView::color_handler ()
1197 //case cMutedWaveForm:
1199 //case cWaveFormClip:
1203 //case cGainLineInactive:
1205 envelope_active_changed();
1210 AudioRegionView::set_frame_color ()
1216 if (_region->opaque()) {
1224 if (_selected && should_show_selection) {
1225 frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
1227 UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_FrameBase.get(), &r, &g, &b, &a);
1228 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1229 if (_region->muted()) {
1230 (*w)->property_wave_color() = RGBA_TO_UINT(r, g, b, MUTED_ALPHA);
1232 (*w)->property_wave_color() = RGBA_TO_UINT(r, g, b, fill_opacity ? fill_opacity : a);// Lets still use the theme's opacity value if Opaque is not set
1236 UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_FrameBase.get(), &r, &g, &b, &a);
1237 frame->property_fill_color_rgba() = RGBA_TO_UINT(r, g, b, fill_opacity ? fill_opacity : a);
1239 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1240 if (_region->muted()) {
1241 (*w)->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
1243 (*w)->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
1244 (*w)->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();