2 Copyright (C) 2001-2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <gtkmm2ext/gtk_ui.h>
28 #include <ardour/playlist.h>
29 #include <ardour/audioregion.h>
30 #include <ardour/audiosource.h>
31 #include <ardour/audio_diskstream.h>
32 #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 "ghostregion.h"
46 #include "audio_time_axis.h"
48 #include "rgb_macros.h"
49 #include "gui_thread.h"
50 #include "ardour_ui.h"
54 #define MUTED_ALPHA 0x50
57 using namespace ARDOUR;
59 using namespace Editing;
60 using namespace ArdourCanvas;
62 static const int32_t sync_mark_width = 9;
64 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
65 Gdk::Color& basic_color)
66 : RegionView (parent, tv, r, spu, basic_color)
74 , _amplitude_above_axis(1.0)
80 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
81 Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
82 : RegionView (parent, tv, r, spu, basic_color, visibility)
90 , _amplitude_above_axis(1.0)
97 AudioRegionView::AudioRegionView (const AudioRegionView& other)
105 , _amplitude_above_axis(1.0)
113 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
114 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
120 AudioRegionView::init (Gdk::Color& basic_color, bool wfd)
122 // FIXME: Some redundancy here with RegionView::init. Need to figure out
123 // where order is important and where it isn't...
125 RegionView::init (basic_color, true);
129 _amplitude_above_axis = 1.0;
133 if ((node = _region->extra_xml ("GUI")) != 0) {
136 _flags = WaveformVisible;
140 if (trackview.editor.new_regionviews_display_gain()) {
141 _flags |= EnvelopeVisible;
144 compute_colors (basic_color);
148 fade_in_shape = new ArdourCanvas::Polygon (*group);
149 fade_in_shape->property_fill_color_rgba() = fade_color;
150 fade_in_shape->set_data ("regionview", this);
152 fade_out_shape = new ArdourCanvas::Polygon (*group);
153 fade_out_shape->property_fill_color_rgba() = fade_color;
154 fade_out_shape->set_data ("regionview", this);
159 UINT_TO_RGBA(fill_color,&r,&g,&b,&a);
162 fade_in_handle = new ArdourCanvas::SimpleRect (*group);
163 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
164 fade_in_handle->property_outline_pixels() = 0;
165 fade_in_handle->property_y1() = 2.0;
166 fade_in_handle->property_y2() = 7.0;
168 fade_in_handle->set_data ("regionview", this);
170 fade_out_handle = new ArdourCanvas::SimpleRect (*group);
171 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
172 fade_out_handle->property_outline_pixels() = 0;
173 fade_out_handle->property_y1() = 2.0;
174 fade_out_handle->property_y2() = 7.0;
176 fade_out_handle->set_data ("regionview", this);
179 string foo = _region->name();
183 if (!Profile->get_sae()) {
184 gain_line = new AudioRegionGainLine (foo, trackview.session(), *this, *group, audio_region()->envelope());
186 if (!(_flags & EnvelopeVisible)) {
195 set_height (trackview.height);
198 region_sync_changed ();
199 region_resized (BoundsChanged);
200 set_waveview_data_src();
202 envelope_active_changed ();
203 fade_in_active_changed ();
204 fade_out_active_changed ();
206 _region->StateChanged.connect (mem_fun(*this, &AudioRegionView::region_changed));
208 fade_in_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
209 fade_in_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
210 fade_out_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
211 fade_out_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
215 /* XXX sync mark drag? */
218 AudioRegionView::~AudioRegionView ()
220 in_destructor = true;
222 RegionViewGoingAway (this); /* EMIT_SIGNAL */
224 for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
225 gnome_canvas_waveview_cache_destroy (*cache);
228 /* all waveviews etc will be destroyed when the group is destroyed */
235 boost::shared_ptr<ARDOUR::AudioRegion>
236 AudioRegionView::audio_region() const
238 // "Guaranteed" to succeed...
239 return boost::dynamic_pointer_cast<AudioRegion>(_region);
243 AudioRegionView::region_changed (Change what_changed)
245 ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionView::region_changed), what_changed));
247 RegionView::region_changed(what_changed);
249 if (what_changed & AudioRegion::ScaleAmplitudeChanged) {
250 region_scale_amplitude_changed ();
252 if (what_changed & AudioRegion::FadeInChanged) {
255 if (what_changed & AudioRegion::FadeOutChanged) {
258 if (what_changed & AudioRegion::FadeInActiveChanged) {
259 fade_in_active_changed ();
261 if (what_changed & AudioRegion::FadeOutActiveChanged) {
262 fade_out_active_changed ();
264 if (what_changed & AudioRegion::EnvelopeActiveChanged) {
265 envelope_active_changed ();
270 AudioRegionView::fade_in_changed ()
272 reset_fade_in_shape ();
276 AudioRegionView::fade_out_changed ()
278 reset_fade_out_shape ();
281 AudioRegionView::fade_in_active_changed ()
285 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
287 if (audio_region()->fade_in_active()) {
288 col = RGBA_TO_UINT(r,g,b,120);
289 fade_in_shape->property_fill_color_rgba() = col;
290 fade_in_shape->property_width_pixels() = 0;
291 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
293 col = RGBA_TO_UINT(r,g,b,0);
294 fade_in_shape->property_fill_color_rgba() = col;
295 fade_in_shape->property_width_pixels() = 1;
296 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
301 AudioRegionView::fade_out_active_changed ()
305 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
307 if (audio_region()->fade_out_active()) {
308 col = RGBA_TO_UINT(r,g,b,120);
309 fade_out_shape->property_fill_color_rgba() = col;
310 fade_out_shape->property_width_pixels() = 0;
311 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
313 col = RGBA_TO_UINT(r,g,b,0);
314 fade_out_shape->property_fill_color_rgba() = col;
315 fade_out_shape->property_width_pixels() = 1;
316 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
322 AudioRegionView::region_scale_amplitude_changed ()
324 ENSURE_GUI_THREAD (mem_fun(*this, &AudioRegionView::region_scale_amplitude_changed));
326 for (uint32_t n = 0; n < waves.size(); ++n) {
327 // force a reload of the cache
328 waves[n]->property_data_src() = _region.get();
333 AudioRegionView::region_resized (Change what_changed)
335 RegionView::region_resized(what_changed);
337 if (what_changed & Change (StartChanged|LengthChanged)) {
339 for (uint32_t n = 0; n < waves.size(); ++n) {
340 waves[n]->property_region_start() = _region->start();
343 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
345 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
346 (*w)->property_region_start() = _region->start();
353 AudioRegionView::reset_width_dependent_items (double pixel_width)
355 RegionView::reset_width_dependent_items(pixel_width);
356 assert(_pixel_width == pixel_width);
359 zero_line->property_x2() = pixel_width - 1.0;
362 if (fade_in_handle) {
363 if (pixel_width <= 6.0) {
364 fade_in_handle->hide();
365 fade_out_handle->hide();
368 fade_in_handle->hide();
369 fade_out_handle->hide();
371 fade_in_handle->show();
372 fade_out_handle->show();
377 reset_fade_shapes ();
381 AudioRegionView::region_muted ()
383 RegionView::region_muted();
385 for (uint32_t n=0; n < waves.size(); ++n) {
386 if (_region->muted()) {
387 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
389 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
396 AudioRegionView::set_height (gdouble height)
398 uint32_t wcnt = waves.size();
401 TimeAxisViewItem::set_height (height - 2);
405 for (uint32_t n=0; n < wcnt; ++n) {
408 if ((height) <= NAME_HIGHLIGHT_THRESH) {
409 ht = ((height-2*wcnt) / (double) wcnt);
411 ht = (((height-2*wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
414 gdouble yoff = n * (ht+1);
416 waves[n]->property_height() = ht;
417 waves[n]->property_y() = yoff + 2;
421 if ((height/wcnt) < NAME_HIGHLIGHT_SIZE) {
424 if (_flags & EnvelopeVisible) {
428 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE));
432 reset_fade_shapes ();
435 name_text->raise_to_top();
440 AudioRegionView::manage_zero_line ()
446 if (_height >= 100) {
447 gdouble wave_midpoint = (_height - NAME_HIGHLIGHT_SIZE) / 2.0;
448 zero_line->property_y1() = wave_midpoint;
449 zero_line->property_y2() = wave_midpoint;
457 AudioRegionView::reset_fade_shapes ()
459 reset_fade_in_shape ();
460 reset_fade_out_shape ();
464 AudioRegionView::reset_fade_in_shape ()
466 reset_fade_in_shape_width ((nframes_t) audio_region()->fade_in().back()->when);
470 AudioRegionView::reset_fade_in_shape_width (nframes_t width)
472 if (fade_in_handle == 0) {
476 /* smallest size for a fade is 64 frames */
478 width = std::max ((nframes_t) 64, width);
481 double pwidth = width / samples_per_unit;
482 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
486 fade_in_shape->hide();
487 fade_in_handle->hide();
491 double handle_center;
492 handle_center = pwidth;
494 if (handle_center > 7.0) {
495 handle_center -= 3.0;
500 fade_in_handle->property_x1() = handle_center - 3.0;
501 fade_in_handle->property_x2() = handle_center + 3.0;
504 fade_in_shape->hide();
508 fade_in_shape->show();
510 float curve[npoints];
511 audio_region()->fade_in().get_vector (0, audio_region()->fade_in().back()->when, curve, npoints);
513 points = get_canvas_points ("fade in shape", npoints+3);
515 if (_height > NAME_HIGHLIGHT_THRESH) {
516 h = _height - NAME_HIGHLIGHT_SIZE;
521 /* points *MUST* be in anti-clockwise order */
524 double xdelta = pwidth/npoints;
526 for (pi = 0, pc = 0; pc < npoints; ++pc) {
527 (*points)[pi].set_x(1 + (pc * xdelta));
528 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
533 (*points)[pi].set_x(pwidth);
534 (*points)[pi++].set_y(2);
536 (*points)[pi].set_x(1);
537 (*points)[pi++].set_y(2);
539 /* connect the dots ... */
541 (*points)[pi] = (*points)[0];
543 fade_in_shape->property_points() = *points;
548 AudioRegionView::reset_fade_out_shape ()
550 reset_fade_out_shape_width ((nframes_t) audio_region()->fade_out().back()->when);
554 AudioRegionView::reset_fade_out_shape_width (nframes_t width)
556 if (fade_out_handle == 0) {
560 /* smallest size for a fade is 64 frames */
562 width = std::max ((nframes_t) 64, width);
565 double pwidth = width / samples_per_unit;
566 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
570 fade_out_shape->hide();
571 fade_out_handle->hide();
575 double handle_center;
576 handle_center = (_region->length() - width) / samples_per_unit;
578 if (handle_center > 7.0) {
579 handle_center -= 3.0;
584 fade_out_handle->property_x1() = handle_center - 3.0;
585 fade_out_handle->property_x2() = handle_center + 3.0;
587 /* don't show shape if its too small */
590 fade_out_shape->hide();
594 fade_out_shape->show();
596 float curve[npoints];
597 audio_region()->fade_out().get_vector (0, audio_region()->fade_out().back()->when, curve, npoints);
599 if (_height > NAME_HIGHLIGHT_THRESH) {
600 h = _height - NAME_HIGHLIGHT_SIZE;
605 /* points *MUST* be in anti-clockwise order */
607 points = get_canvas_points ("fade out shape", npoints+3);
610 double xdelta = pwidth/npoints;
612 for (pi = 0, pc = 0; pc < npoints; ++pc) {
613 (*points)[pi].set_x(_pixel_width - 1 - pwidth + (pc*xdelta));
614 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
619 (*points)[pi].set_x(_pixel_width);
620 (*points)[pi++].set_y(h);
622 (*points)[pi].set_x(_pixel_width);
623 (*points)[pi++].set_y(2);
625 /* connect the dots ... */
627 (*points)[pi] = (*points)[0];
629 fade_out_shape->property_points() = *points;
634 AudioRegionView::set_samples_per_unit (gdouble spu)
636 RegionView::set_samples_per_unit (spu);
638 if (_flags & WaveformVisible) {
639 for (uint32_t n=0; n < waves.size(); ++n) {
640 waves[n]->property_samples_per_unit() = spu;
648 reset_fade_shapes ();
652 AudioRegionView::set_amplitude_above_axis (gdouble spp)
654 for (uint32_t n=0; n < waves.size(); ++n) {
655 waves[n]->property_amplitude_above_axis() = spp;
660 AudioRegionView::compute_colors (Gdk::Color& basic_color)
662 RegionView::compute_colors(basic_color);
666 /* gain color computed in envelope_active_changed() */
668 UINT_TO_RGBA (fill_color, &r, &g, &b, &a);
669 fade_color = RGBA_TO_UINT(r,g,b,120);
673 AudioRegionView::set_colors ()
675 RegionView::set_colors();
678 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
681 for (uint32_t n=0; n < waves.size(); ++n) {
682 if (_region->muted()) {
683 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
685 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
688 waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
689 waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
694 AudioRegionView::show_region_editor ()
697 editor = new AudioRegionEditor (trackview.session(), audio_region(), *this);
698 // GTK2FIX : how to ensure float without realizing
699 // editor->realize ();
700 // trackview.editor.ensure_float (*editor);
708 AudioRegionView::set_waveform_visible (bool yn)
710 if (((_flags & WaveformVisible) != yn)) {
712 for (uint32_t n=0; n < waves.size(); ++n) {
713 /* make sure the zoom level is correct, since we don't update
714 this when waveforms are hidden.
716 waves[n]->property_samples_per_unit() = samples_per_unit;
719 _flags |= WaveformVisible;
721 for (uint32_t n=0; n < waves.size(); ++n) {
724 _flags &= ~WaveformVisible;
731 AudioRegionView::temporarily_hide_envelope ()
739 AudioRegionView::unhide_envelope ()
741 if (gain_line && (_flags & EnvelopeVisible)) {
747 AudioRegionView::set_envelope_visible (bool yn)
749 if (gain_line && ((_flags & EnvelopeVisible) != yn)) {
752 _flags |= EnvelopeVisible;
755 _flags &= ~EnvelopeVisible;
762 AudioRegionView::create_waves ()
764 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
766 if (!atv.get_diskstream()) {
770 uint32_t nchans = atv.get_diskstream()->n_channels();
772 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
773 for (uint32_t n = 0; n < nchans; ++n) {
774 tmp_waves.push_back (0);
777 for (uint32_t n = 0; n < nchans; ++n) {
779 if (n >= audio_region()->n_channels()) {
783 wave_caches.push_back (WaveView::create_cache ());
786 if (audio_region()->source(n)->peaks_ready (bind (mem_fun(*this, &AudioRegionView::peaks_ready_handler), n), data_ready_connection)) {
787 create_one_wave (n, true);
791 create_one_wave (n, true);
797 AudioRegionView::create_one_wave (uint32_t which, bool direct)
799 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
800 uint32_t nchans = atv.get_diskstream()->n_channels();
802 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
805 if (trackview.height < NAME_HIGHLIGHT_SIZE) {
806 ht = ((trackview.height) / (double) nchans);
808 ht = ((trackview.height - NAME_HIGHLIGHT_SIZE) / (double) nchans);
811 gdouble yoff = which * ht;
813 WaveView *wave = new WaveView(*group);
815 wave->property_data_src() = (gpointer) _region.get();
816 wave->property_cache() = wave_caches[which];
817 wave->property_cache_updater() = true;
818 wave->property_channel() = which;
819 wave->property_length_function() = (gpointer) region_length_from_c;
820 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
821 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
822 wave->property_x() = 0.0;
823 wave->property_y() = yoff;
824 wave->property_height() = (double) ht;
825 wave->property_samples_per_unit() = samples_per_unit;
826 wave->property_amplitude_above_axis() = _amplitude_above_axis;
827 wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_WaveForm.get();
828 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
829 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
830 wave->property_region_start() = _region->start();
831 wave->property_rectified() = (bool) (_flags & WaveformRectified);
832 wave->property_logscaled() = (bool) (_flags & WaveformLogScaled);
834 if (!(_flags & WaveformVisible)) {
838 /* note: calling this function is serialized by the lock
839 held in the peak building thread that signals that
840 peaks are ready for use *or* by the fact that it is
841 called one by one from the GUI thread.
844 if (which < nchans) {
845 tmp_waves[which] = wave;
847 /* n-channel track, >n-channel source */
850 /* see if we're all ready */
852 for (n = 0; n < nchans; ++n) {
853 if (tmp_waves[n] == 0) {
858 if (n == nwaves && waves.empty()) {
859 /* all waves are ready */
860 tmp_waves.resize(nwaves);
865 /* all waves created, don't hook into peaks ready anymore */
866 data_ready_connection.disconnect ();
869 zero_line = new ArdourCanvas::SimpleLine (*group);
870 zero_line->property_x1() = (gdouble) 1.0;
871 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
872 zero_line->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
879 AudioRegionView::peaks_ready_handler (uint32_t which)
881 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
885 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
887 if (gain_line == 0) {
893 /* don't create points that can't be seen */
895 set_envelope_visible (true);
902 nframes_t fx = trackview.editor.pixel_to_frame (x);
904 if (fx > _region->length()) {
908 /* compute vertical fractional position */
910 y = 1.0 - (y / (trackview.height - NAME_HIGHLIGHT_SIZE));
912 /* map using gain line */
914 gain_line->view_to_model_y (y);
916 trackview.session().begin_reversible_command (_("add gain control point"));
917 XMLNode &before = audio_region()->envelope().get_state();
919 if (!audio_region()->envelope_active()) {
920 XMLNode ®ion_before = audio_region()->get_state();
921 audio_region()->set_envelope_active(true);
922 XMLNode ®ion_after = audio_region()->get_state();
923 trackview.session().add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
926 audio_region()->envelope().add (fx, y);
928 XMLNode &after = audio_region()->envelope().get_state();
929 trackview.session().add_command (new MementoCommand<Curve>(audio_region()->envelope(), &before, &after));
930 trackview.session().commit_reversible_command ();
934 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
936 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
937 audio_region()->envelope().erase (cp->model);
941 AudioRegionView::store_flags()
943 XMLNode *node = new XMLNode ("GUI");
945 node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no");
946 node->add_property ("envelope-visible", (_flags & EnvelopeVisible) ? "yes" : "no");
947 node->add_property ("waveform-rectified", (_flags & WaveformRectified) ? "yes" : "no");
948 node->add_property ("waveform-logscaled", (_flags & WaveformLogScaled) ? "yes" : "no");
950 _region->add_extra_xml (*node);
954 AudioRegionView::set_flags (XMLNode* node)
958 if ((prop = node->property ("waveform-visible")) != 0) {
959 if (prop->value() == "yes") {
960 _flags |= WaveformVisible;
964 if ((prop = node->property ("envelope-visible")) != 0) {
965 if (prop->value() == "yes") {
966 _flags |= EnvelopeVisible;
970 if ((prop = node->property ("waveform-rectified")) != 0) {
971 if (prop->value() == "yes") {
972 _flags |= WaveformRectified;
976 if ((prop = node->property ("waveform-logscaled")) != 0) {
977 if (prop->value() == "yes") {
978 _flags |= WaveformLogScaled;
984 AudioRegionView::set_waveform_shape (WaveformShape shape)
988 /* this slightly odd approach is to leave the door open to
989 other "shapes" such as spectral displays, etc.
1002 if (yn != (bool) (_flags & WaveformRectified)) {
1003 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1004 (*wave)->property_rectified() = yn;
1016 _flags |= WaveformRectified;
1018 _flags &= ~WaveformRectified;
1025 AudioRegionView::set_waveform_scale (WaveformScale scale)
1027 bool yn = (scale == LogWaveform);
1029 if (yn != (bool) (_flags & WaveformLogScaled)) {
1030 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1031 (*wave)->property_logscaled() = yn;
1035 _flags |= WaveformLogScaled;
1037 _flags &= ~WaveformLogScaled;
1045 AudioRegionView::add_ghost (AutomationTimeAxisView& atv)
1047 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1050 double unit_position = _region->position () / samples_per_unit;
1051 GhostRegion* ghost = new GhostRegion (atv, unit_position);
1054 nchans = rtv->get_diskstream()->n_channels();
1056 for (uint32_t n = 0; n < nchans; ++n) {
1058 if (n >= audio_region()->n_channels()) {
1062 WaveView *wave = new WaveView(*ghost->group);
1064 wave->property_data_src() = _region.get();
1065 wave->property_cache() = wave_caches[n];
1066 wave->property_cache_updater() = false;
1067 wave->property_channel() = n;
1068 wave->property_length_function() = (gpointer)region_length_from_c;
1069 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1070 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1071 wave->property_x() = 0.0;
1072 wave->property_samples_per_unit() = samples_per_unit;
1073 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1074 wave->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
1075 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
1076 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
1077 wave->property_region_start() = _region->start();
1079 ghost->waves.push_back(wave);
1082 ghost->set_height ();
1083 ghost->set_duration (_region->length() / samples_per_unit);
1084 ghosts.push_back (ghost);
1086 ghost->GoingAway.connect (mem_fun(*this, &AudioRegionView::remove_ghost));
1092 AudioRegionView::entered ()
1094 if (gain_line && _flags & EnvelopeVisible) {
1095 gain_line->show_all_control_points ();
1099 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1102 if (fade_in_handle) {
1103 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1104 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1109 AudioRegionView::exited ()
1112 gain_line->hide_all_but_selected_control_points ();
1116 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1119 if (fade_in_handle) {
1120 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1121 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1126 AudioRegionView::envelope_active_changed ()
1129 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
1134 AudioRegionView::set_waveview_data_src()
1137 double unit_length= _region->length() / samples_per_unit;
1139 for (uint32_t n = 0; n < waves.size(); ++n) {
1140 // TODO: something else to let it know the channel
1141 waves[n]->property_data_src() = _region.get();
1144 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1146 (*i)->set_duration (unit_length);
1148 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
1149 (*w)->property_data_src() = _region.get();
1156 AudioRegionView::color_handler ()
1159 envelope_active_changed();