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.
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 <pbd/memento_command.h>
32 #include <pbd/stacktrace.h>
34 #include "streamview.h"
35 #include "audio_region_view.h"
36 #include "audio_time_axis.h"
37 #include "simplerect.h"
38 #include "simpleline.h"
40 #include "public_editor.h"
41 #include "audio_region_editor.h"
42 #include "region_gain_line.h"
43 #include "ghostregion.h"
44 #include "audio_time_axis.h"
46 #include "rgb_macros.h"
47 #include "gui_thread.h"
48 #include "ardour_ui.h"
52 #define MUTED_ALPHA 0x50
55 using namespace ARDOUR;
57 using namespace Editing;
58 using namespace ArdourCanvas;
60 static const int32_t sync_mark_width = 9;
62 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
63 Gdk::Color& basic_color)
64 : RegionView (parent, tv, r, spu, basic_color)
72 , _amplitude_above_axis(1.0)
78 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
79 Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
80 : RegionView (parent, tv, r, spu, basic_color, visibility)
88 , _amplitude_above_axis(1.0)
95 AudioRegionView::AudioRegionView (const AudioRegionView& other)
103 , _amplitude_above_axis(1.0)
111 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
112 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
118 AudioRegionView::init (Gdk::Color& basic_color, bool wfd)
120 // FIXME: Some redundancy here with RegionView::init. Need to figure out
121 // where order is important and where it isn't...
123 RegionView::init(basic_color, false);
127 _amplitude_above_axis = 1.0;
131 if ((node = _region->extra_xml ("GUI")) != 0) {
134 _flags = WaveformVisible;
138 if (trackview.editor.new_regionviews_display_gain()) {
139 _flags |= EnvelopeVisible;
142 compute_colors (basic_color);
146 fade_in_shape = new ArdourCanvas::Polygon (*group);
147 fade_in_shape->property_fill_color_rgba() = fade_color;
148 fade_in_shape->set_data ("regionview", this);
150 fade_out_shape = new ArdourCanvas::Polygon (*group);
151 fade_out_shape->property_fill_color_rgba() = fade_color;
152 fade_out_shape->set_data ("regionview", this);
157 UINT_TO_RGBA(fill_color,&r,&g,&b,&a);
160 fade_in_handle = new ArdourCanvas::SimpleRect (*group);
161 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
162 fade_in_handle->property_outline_pixels() = 0;
164 fade_in_handle->set_data ("regionview", this);
166 fade_out_handle = new ArdourCanvas::SimpleRect (*group);
167 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
168 fade_out_handle->property_outline_pixels() = 0;
170 fade_out_handle->set_data ("regionview", this);
173 setup_fade_handle_positions ();
175 string line_name = _region->name();
179 gain_line = new AudioRegionGainLine (line_name, trackview.session(), *this, *group, audio_region()->envelope());
181 if (!(_flags & EnvelopeVisible)) {
189 set_y_position_and_height (0, trackview.height);
192 region_sync_changed ();
193 region_resized (BoundsChanged);
194 set_waveview_data_src();
196 envelope_active_changed ();
197 fade_in_active_changed ();
198 fade_out_active_changed ();
200 fade_in_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
201 fade_in_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
202 fade_out_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
203 fade_out_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
207 /* XXX sync mark drag? */
210 AudioRegionView::~AudioRegionView ()
212 in_destructor = true;
214 RegionViewGoingAway (this); /* EMIT_SIGNAL */
216 for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
217 gnome_canvas_waveview_cache_destroy (*cache);
220 /* all waveviews etc will be destroyed when the group is destroyed */
227 boost::shared_ptr<ARDOUR::AudioRegion>
228 AudioRegionView::audio_region() const
230 // "Guaranteed" to succeed...
231 return boost::dynamic_pointer_cast<AudioRegion>(_region);
235 AudioRegionView::region_changed (Change what_changed)
237 ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionView::region_changed), what_changed));
239 RegionView::region_changed(what_changed);
241 if (what_changed & AudioRegion::ScaleAmplitudeChanged) {
242 region_scale_amplitude_changed ();
244 if (what_changed & AudioRegion::FadeInChanged) {
247 if (what_changed & AudioRegion::FadeOutChanged) {
250 if (what_changed & AudioRegion::FadeInActiveChanged) {
251 fade_in_active_changed ();
253 if (what_changed & AudioRegion::FadeOutActiveChanged) {
254 fade_out_active_changed ();
256 if (what_changed & AudioRegion::EnvelopeActiveChanged) {
257 envelope_active_changed ();
262 AudioRegionView::fade_in_changed ()
264 reset_fade_in_shape ();
268 AudioRegionView::fade_out_changed ()
270 reset_fade_out_shape ();
273 AudioRegionView::fade_in_active_changed ()
277 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
279 if (audio_region()->fade_in_active()) {
280 col = RGBA_TO_UINT(r,g,b,120);
281 fade_in_shape->property_fill_color_rgba() = col;
282 fade_in_shape->property_width_pixels() = 0;
283 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
285 col = RGBA_TO_UINT(r,g,b,0);
286 fade_in_shape->property_fill_color_rgba() = col;
287 fade_in_shape->property_width_pixels() = 1;
288 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
293 AudioRegionView::fade_out_active_changed ()
297 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
299 if (audio_region()->fade_out_active()) {
300 col = RGBA_TO_UINT(r,g,b,120);
301 fade_out_shape->property_fill_color_rgba() = col;
302 fade_out_shape->property_width_pixels() = 0;
303 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
305 col = RGBA_TO_UINT(r,g,b,0);
306 fade_out_shape->property_fill_color_rgba() = col;
307 fade_out_shape->property_width_pixels() = 1;
308 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
314 AudioRegionView::region_scale_amplitude_changed ()
316 ENSURE_GUI_THREAD (mem_fun(*this, &AudioRegionView::region_scale_amplitude_changed));
318 for (uint32_t n = 0; n < waves.size(); ++n) {
319 // force a reload of the cache
320 waves[n]->property_data_src() = _region.get();
325 AudioRegionView::region_renamed ()
327 Glib::ustring str = RegionView::make_name ();
329 if (audio_region()->speed_mismatch (trackview.session().frame_rate())) {
330 str = string ("*") + str;
333 if (_region->muted()) {
334 str = string ("!") + str;
337 set_item_name (str, this);
342 AudioRegionView::region_resized (Change what_changed)
344 RegionView::region_resized(what_changed);
346 if (what_changed & Change (StartChanged|LengthChanged)) {
348 for (uint32_t n = 0; n < waves.size(); ++n) {
349 waves[n]->property_region_start() = _region->start();
352 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
354 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
355 (*w)->property_region_start() = _region->start();
362 AudioRegionView::reset_width_dependent_items (double pixel_width)
364 RegionView::reset_width_dependent_items(pixel_width);
365 assert(_pixel_width == pixel_width);
368 zero_line->property_x2() = pixel_width - 1.0;
371 if (fade_in_handle) {
372 if (pixel_width <= 6.0) {
373 fade_in_handle->hide();
374 fade_out_handle->hide();
377 fade_in_handle->hide();
378 fade_out_handle->hide();
380 fade_in_handle->show();
381 fade_out_handle->show();
386 reset_fade_shapes ();
390 AudioRegionView::region_muted ()
392 RegionView::region_muted();
394 for (uint32_t n=0; n < waves.size(); ++n) {
395 if (_region->muted()) {
396 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
398 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
404 AudioRegionView::set_y_position_and_height (double y, double h)
406 RegionView::set_y_position_and_height(y, h - 1);
411 uint32_t const wcnt = waves.size();
412 for (uint32_t n = 0; n < wcnt; ++n) {
415 if (h <= NAME_HIGHLIGHT_THRESH) {
416 ht = ((_height - 2 * wcnt) / (double) wcnt);
418 ht = (((_height - 2 * wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
421 double const yoff = n * (ht + 1);
423 waves[n]->property_height() = ht;
424 waves[n]->property_y() = _y_position + yoff + 2;
428 if ((_height / wcnt) < NAME_HIGHLIGHT_SIZE) {
431 if (_flags & EnvelopeVisible) {
435 gain_line->set_y_position_and_height ((uint32_t) _y_position, (uint32_t) rint (_height - NAME_HIGHLIGHT_SIZE));
438 setup_fade_handle_positions ();
440 reset_fade_shapes ();
443 name_text->raise_to_top();
448 AudioRegionView::setup_fade_handle_positions()
450 /* position of fade handle offset from the top of the region view */
451 double const handle_pos = 2;
452 /* height of fade handles */
453 double const handle_height = 5;
455 if (fade_in_handle) {
456 fade_in_handle->property_y1() = _y_position + handle_pos;
457 fade_in_handle->property_y2() = _y_position + handle_pos + handle_height;
460 if (fade_out_handle) {
461 fade_out_handle->property_y1() = _y_position + handle_pos;
462 fade_out_handle->property_y2() = _y_position + handle_pos + handle_height;
467 AudioRegionView::manage_zero_line ()
473 if (_height >= 100) {
474 double const wave_midpoint = _y_position + (_height - NAME_HIGHLIGHT_SIZE) / 2.0;
475 zero_line->property_y1() = wave_midpoint;
476 zero_line->property_y2() = wave_midpoint;
484 AudioRegionView::reset_fade_shapes ()
486 reset_fade_in_shape ();
487 reset_fade_out_shape ();
491 AudioRegionView::reset_fade_in_shape ()
493 reset_fade_in_shape_width ((nframes_t) audio_region()->fade_in()->back()->when);
497 AudioRegionView::reset_fade_in_shape_width (nframes_t width)
499 if (fade_in_handle == 0) {
503 /* smallest size for a fade is 64 frames */
505 width = std::max ((nframes_t) 64, width);
508 double pwidth = width / samples_per_unit;
509 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
513 fade_in_shape->hide();
514 fade_in_handle->hide();
518 double handle_center;
519 handle_center = pwidth;
521 if (handle_center > 7.0) {
522 handle_center -= 3.0;
527 fade_in_handle->property_x1() = handle_center - 3.0;
528 fade_in_handle->property_x2() = handle_center + 3.0;
531 fade_in_shape->hide();
535 fade_in_shape->show();
537 float curve[npoints];
538 audio_region()->fade_in()->curve().get_vector (0, audio_region()->fade_in()->back()->when, curve, npoints);
540 points = get_canvas_points ("fade in shape", npoints+3);
542 if (_height > NAME_HIGHLIGHT_THRESH) {
543 h = _height - NAME_HIGHLIGHT_SIZE;
548 /* points *MUST* be in anti-clockwise order */
551 double xdelta = pwidth/npoints;
553 for (pi = 0, pc = 0; pc < npoints; ++pc) {
554 (*points)[pi].set_x(1 + (pc * xdelta));
555 (*points)[pi++].set_y(_y_position + 2 + (h - (curve[pc] * h)));
560 (*points)[pi].set_x(pwidth);
561 (*points)[pi++].set_y(_y_position + 2);
563 (*points)[pi].set_x(1);
564 (*points)[pi++].set_y(_y_position + 2);
566 /* connect the dots ... */
568 (*points)[pi] = (*points)[0];
570 fade_in_shape->property_points() = *points;
575 AudioRegionView::reset_fade_out_shape ()
577 reset_fade_out_shape_width ((nframes_t) audio_region()->fade_out()->back()->when);
581 AudioRegionView::reset_fade_out_shape_width (nframes_t width)
583 if (fade_out_handle == 0) {
587 /* smallest size for a fade is 64 frames */
589 width = std::max ((nframes_t) 64, width);
592 double pwidth = width / samples_per_unit;
593 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
597 fade_out_shape->hide();
598 fade_out_handle->hide();
602 double handle_center;
603 handle_center = (_region->length() - width) / samples_per_unit;
605 if (handle_center > 7.0) {
606 handle_center -= 3.0;
611 fade_out_handle->property_x1() = handle_center - 3.0;
612 fade_out_handle->property_x2() = handle_center + 3.0;
614 /* don't show shape if its too small */
617 fade_out_shape->hide();
621 fade_out_shape->show();
623 float curve[npoints];
624 audio_region()->fade_out()->curve().get_vector (0, audio_region()->fade_out()->back()->when, curve, npoints);
626 if (_height > NAME_HIGHLIGHT_THRESH) {
627 h = _height - NAME_HIGHLIGHT_SIZE;
632 /* points *MUST* be in anti-clockwise order */
634 points = get_canvas_points ("fade out shape", npoints+3);
637 double xdelta = pwidth/npoints;
639 for (pi = 0, pc = 0; pc < npoints; ++pc) {
640 (*points)[pi].set_x(_pixel_width - 1 - pwidth + (pc*xdelta));
641 (*points)[pi++].set_y(_y_position + 2 + (h - (curve[pc] * h)));
646 (*points)[pi].set_x(_pixel_width);
647 (*points)[pi++].set_y(_y_position + h);
649 (*points)[pi].set_x(_pixel_width);
650 (*points)[pi++].set_y(_y_position + 2);
652 /* connect the dots ... */
654 (*points)[pi] = (*points)[0];
656 fade_out_shape->property_points() = *points;
661 AudioRegionView::set_samples_per_unit (gdouble spu)
663 RegionView::set_samples_per_unit (spu);
665 if (_flags & WaveformVisible) {
666 for (uint32_t n=0; n < waves.size(); ++n) {
667 waves[n]->property_samples_per_unit() = spu;
675 reset_fade_shapes ();
679 AudioRegionView::set_amplitude_above_axis (gdouble spp)
681 for (uint32_t n=0; n < waves.size(); ++n) {
682 waves[n]->property_amplitude_above_axis() = spp;
687 AudioRegionView::compute_colors (Gdk::Color& basic_color)
689 RegionView::compute_colors(basic_color);
693 /* gain color computed in envelope_active_changed() */
695 UINT_TO_RGBA (fill_color, &r, &g, &b, &a);
696 fade_color = RGBA_TO_UINT(r,g,b,120);
700 AudioRegionView::set_colors ()
702 RegionView::set_colors();
705 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
708 for (uint32_t n=0; n < waves.size(); ++n) {
709 if (_region->muted()) {
710 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
712 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
715 waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
716 waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
721 AudioRegionView::show_region_editor ()
724 editor = new AudioRegionEditor (trackview.session(), audio_region(), *this);
725 // GTK2FIX : how to ensure float without realizing
726 // editor->realize ();
727 // trackview.editor.ensure_float (*editor);
735 AudioRegionView::set_waveform_visible (bool yn)
737 if (((_flags & WaveformVisible) != yn)) {
739 for (uint32_t n=0; n < waves.size(); ++n) {
740 /* make sure the zoom level is correct, since we don't update
741 this when waveforms are hidden.
743 waves[n]->property_samples_per_unit() = samples_per_unit;
746 _flags |= WaveformVisible;
748 for (uint32_t n=0; n < waves.size(); ++n) {
751 _flags &= ~WaveformVisible;
758 AudioRegionView::temporarily_hide_envelope ()
766 AudioRegionView::unhide_envelope ()
768 if (gain_line && (_flags & EnvelopeVisible)) {
774 AudioRegionView::set_envelope_visible (bool yn)
776 if (gain_line && ((_flags & EnvelopeVisible) != yn)) {
779 _flags |= EnvelopeVisible;
782 _flags &= ~EnvelopeVisible;
789 AudioRegionView::create_waves ()
791 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
793 if (!atv.get_diskstream()) {
797 uint32_t nchans = atv.get_diskstream()->n_channels().n_audio();
799 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
800 for (uint32_t n = 0; n < nchans; ++n) {
801 tmp_waves.push_back (0);
804 for (uint32_t n = 0; n < nchans; ++n) {
806 if (n >= audio_region()->n_channels()) {
810 wave_caches.push_back (WaveView::create_cache ());
813 if (audio_region()->audio_source(n)->peaks_ready (bind (mem_fun(*this, &AudioRegionView::peaks_ready_handler), n), data_ready_connection)) {
814 create_one_wave (n, true);
818 create_one_wave (n, true);
824 AudioRegionView::create_one_wave (uint32_t which, bool direct)
826 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
827 uint32_t nchans = atv.get_diskstream()->n_channels().n_audio();
829 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
832 if (trackview.height < NAME_HIGHLIGHT_SIZE) {
833 ht = ((trackview.height) / (double) nchans);
835 ht = ((trackview.height - NAME_HIGHLIGHT_SIZE) / (double) nchans);
838 gdouble yoff = which * ht;
840 WaveView *wave = new WaveView(*group);
842 wave->property_data_src() = (gpointer) _region.get();
843 wave->property_cache() = wave_caches[which];
844 wave->property_cache_updater() = true;
845 wave->property_channel() = which;
846 wave->property_length_function() = (gpointer) region_length_from_c;
847 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
848 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
849 wave->property_x() = 0.0;
850 wave->property_y() = yoff;
851 wave->property_height() = (double) ht;
852 wave->property_samples_per_unit() = samples_per_unit;
853 wave->property_amplitude_above_axis() = _amplitude_above_axis;
854 wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_WaveForm.get();
855 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
856 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
857 wave->property_region_start() = _region->start();
858 wave->property_rectified() = (bool) (_flags & WaveformRectified);
859 wave->property_logscaled() = (bool) (_flags & WaveformLogScaled);
861 if (!(_flags & WaveformVisible)) {
865 /* note: calling this function is serialized by the lock
866 held in the peak building thread that signals that
867 peaks are ready for use *or* by the fact that it is
868 called one by one from the GUI thread.
871 if (which < nchans) {
872 tmp_waves[which] = wave;
874 /* n-channel track, >n-channel source */
877 /* see if we're all ready */
879 for (n = 0; n < nchans; ++n) {
880 if (tmp_waves[n] == 0) {
885 if (n == nwaves && waves.empty()) {
886 /* all waves are ready */
887 tmp_waves.resize(nwaves);
892 /* all waves created, don't hook into peaks ready anymore */
893 data_ready_connection.disconnect ();
897 zero_line = new ArdourCanvas::SimpleLine (*group);
898 zero_line->property_x1() = (gdouble) 1.0;
899 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
900 zero_line->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
907 AudioRegionView::peaks_ready_handler (uint32_t which)
909 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
913 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
915 if (gain_line == 0) {
921 /* don't create points that can't be seen */
923 set_envelope_visible (true);
930 nframes_t fx = trackview.editor.pixel_to_frame (x);
932 if (fx > _region->length()) {
936 /* compute vertical fractional position */
938 y = 1.0 - ((y - _y_position) / (_height - NAME_HIGHLIGHT_SIZE));
940 /* map using gain line */
942 gain_line->view_to_model_y (y);
944 trackview.session().begin_reversible_command (_("add gain control point"));
945 XMLNode &before = audio_region()->envelope()->get_state();
947 if (!audio_region()->envelope_active()) {
948 XMLNode ®ion_before = audio_region()->get_state();
949 audio_region()->set_envelope_active(true);
950 XMLNode ®ion_after = audio_region()->get_state();
951 trackview.session().add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
954 audio_region()->envelope()->add (fx, y);
956 XMLNode &after = audio_region()->envelope()->get_state();
957 trackview.session().add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
958 trackview.session().commit_reversible_command ();
962 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
964 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
965 audio_region()->envelope()->erase (cp->model);
969 AudioRegionView::store_flags()
971 XMLNode *node = new XMLNode ("GUI");
973 node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no");
974 node->add_property ("envelope-visible", (_flags & EnvelopeVisible) ? "yes" : "no");
975 node->add_property ("waveform-rectified", (_flags & WaveformRectified) ? "yes" : "no");
976 node->add_property ("waveform-logscaled", (_flags & WaveformLogScaled) ? "yes" : "no");
978 _region->add_extra_xml (*node);
982 AudioRegionView::set_flags (XMLNode* node)
986 if ((prop = node->property ("waveform-visible")) != 0) {
987 if (prop->value() == "yes") {
988 _flags |= WaveformVisible;
992 if ((prop = node->property ("envelope-visible")) != 0) {
993 if (prop->value() == "yes") {
994 _flags |= EnvelopeVisible;
998 if ((prop = node->property ("waveform-rectified")) != 0) {
999 if (prop->value() == "yes") {
1000 _flags |= WaveformRectified;
1004 if ((prop = node->property ("waveform-logscaled")) != 0) {
1005 if (prop->value() == "yes") {
1006 _flags |= WaveformLogScaled;
1012 AudioRegionView::set_waveform_shape (WaveformShape shape)
1016 /* this slightly odd approach is to leave the door open to
1017 other "shapes" such as spectral displays, etc.
1030 if (yn != (bool) (_flags & WaveformRectified)) {
1031 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1032 (*wave)->property_rectified() = yn;
1044 _flags |= WaveformRectified;
1046 _flags &= ~WaveformRectified;
1053 AudioRegionView::set_waveform_scale (WaveformScale scale)
1055 bool yn = (scale == LogWaveform);
1057 if (yn != (bool) (_flags & WaveformLogScaled)) {
1058 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1059 (*wave)->property_logscaled() = yn;
1063 _flags |= WaveformLogScaled;
1065 _flags &= ~WaveformLogScaled;
1073 AudioRegionView::add_ghost (AutomationTimeAxisView& atv)
1075 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1078 double unit_position = _region->position () / samples_per_unit;
1079 GhostRegion* ghost = new GhostRegion (atv, unit_position);
1082 nchans = rtv->get_diskstream()->n_channels().n_audio();
1084 for (uint32_t n = 0; n < nchans; ++n) {
1086 if (n >= audio_region()->n_channels()) {
1090 WaveView *wave = new WaveView(*ghost->group);
1092 wave->property_data_src() = _region.get();
1093 wave->property_cache() = wave_caches[n];
1094 wave->property_cache_updater() = false;
1095 wave->property_channel() = n;
1096 wave->property_length_function() = (gpointer)region_length_from_c;
1097 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1098 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1099 wave->property_x() = 0.0;
1100 wave->property_samples_per_unit() = samples_per_unit;
1101 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1102 wave->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
1103 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
1104 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
1105 wave->property_region_start() = _region->start();
1107 ghost->waves.push_back(wave);
1110 ghost->set_height ();
1111 ghost->set_duration (_region->length() / samples_per_unit);
1112 ghosts.push_back (ghost);
1114 ghost->GoingAway.connect (mem_fun(*this, &AudioRegionView::remove_ghost));
1120 AudioRegionView::entered ()
1122 if (gain_line && _flags & EnvelopeVisible) {
1123 gain_line->show_all_control_points ();
1127 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1130 if (fade_in_handle) {
1131 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1132 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1137 AudioRegionView::exited ()
1140 gain_line->hide_all_but_selected_control_points ();
1144 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1147 if (fade_in_handle) {
1148 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1149 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1154 AudioRegionView::envelope_active_changed ()
1157 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
1162 AudioRegionView::set_waveview_data_src()
1165 double unit_length= _region->length() / samples_per_unit;
1167 for (uint32_t n = 0; n < waves.size(); ++n) {
1168 // TODO: something else to let it know the channel
1169 waves[n]->property_data_src() = _region.get();
1172 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1174 (*i)->set_duration (unit_length);
1176 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
1177 (*w)->property_data_src() = _region.get();
1184 AudioRegionView::color_handler ()
1186 //case cMutedWaveForm:
1188 //case cWaveFormClip:
1192 //case cGainLineInactive:
1194 envelope_active_changed();