105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <cmath>
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#include <algorithm>
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#include <gtkmm.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include "ardour/audioregion.h"
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#include "ardour/audiosource.h"
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#include "tape_region_view.h"
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#include "audio_time_axis.h"
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#include "gui_thread.h"
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#include "pbd/i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Editing;
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using namespace ArdourCanvas;
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const TimeAxisViewItem::Visibility TapeAudioRegionView::default_tape_visibility
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= TimeAxisViewItem::Visibility (
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TimeAxisViewItem::ShowNameHighlight |
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TimeAxisViewItem::ShowNameText |
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TimeAxisViewItem::ShowFrame |
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TimeAxisViewItem::HideFrameRight |
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TimeAxisViewItem::FullWidthNameHighlight);
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TapeAudioRegionView::TapeAudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv,
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boost::shared_ptr<AudioRegion> r,
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double spu,
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uint32_t basic_color)
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: AudioRegionView (parent, tv, r, spu, basic_color, false,
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TimeAxisViewItem::Visibility ((r->position() != 0) ? default_tape_visibility :
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TimeAxisViewItem::Visibility (default_tape_visibility|TimeAxisViewItem::HideFrameLeft)))
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{
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}
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void
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TapeAudioRegionView::init (bool /*wfw*/)
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{
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/* never wait for data: always just create the waves, connect once and then
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we'll update whenever we need to.
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*/
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AudioRegionView::init (false);
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/* every time the wave data changes and peaks are ready, redraw */
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for (uint32_t n = 0; n < audio_region()->n_channels(); ++n) {
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audio_region()->audio_source(n)->PeaksReady.connect (*this, invalidator (*this), boost::bind (&TapeAudioRegionView::update, this, n), gui_context());
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}
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}
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TapeAudioRegionView::~TapeAudioRegionView()
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{
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}
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void
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TapeAudioRegionView::update (uint32_t /*n*/)
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{
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/* check that all waves are build and ready */
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if (!tmp_waves.empty()) {
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return;
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}
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ENSURE_GUI_THREAD (*this, &TapeAudioRegionView::update, n);
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// CAIROCANVAS
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/* this is a quick hack to draw something (abuse gain_changed to force
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* an image-cache invalidation.
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*
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* TODO: ArdourCanvas::WaveView needs an API to look up the specific channel "n"
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* and a special case to not only invalidate the cache but re-expose the
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* waveform. e.g.
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*
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* waves[m]->rebuild(); // where 'm' corresponds to channel 'n'.
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*/
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for (uint32_t i = 0; i < waves.size(); ++i) {
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waves[i]->gain_changed ();
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}
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}
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