gtk2_ardour/tape_region_view.cc

   1 /*
   2     Copyright (C) 2006 Paul Davis
   3
   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.
   8
   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.
  13
  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.
  17
  18 */
  19
  20 #include <cmath>
  21 #include <algorithm>
  22
  23 #include <gtkmm.h>
  24
  25 #include <gtkmm2ext/gtk_ui.h>
  26
  27 #include "ardour/playlist.h"
  28 #include "ardour/audioregion.h"
  29 #include "ardour/audiosource.h"
  30
  31 #include "tape_region_view.h"
  32 #include "audio_time_axis.h"
  33 #include "gui_thread.h"
  34
  35 #include "i18n.h"
  36
  37 using namespace ARDOUR;
  38 using namespace PBD;
  39 using namespace Editing;
  40 using namespace ArdourCanvas;
  41
  42 const TimeAxisViewItem::Visibility TapeAudioRegionView::default_tape_visibility
  43         = TimeAxisViewItem::Visibility (
  44                 TimeAxisViewItem::ShowNameHighlight |
  45                 TimeAxisViewItem::ShowNameText |
  46                 TimeAxisViewItem::ShowFrame |
  47                 TimeAxisViewItem::HideFrameRight |
  48                 TimeAxisViewItem::FullWidthNameHighlight);
  49
  50 TapeAudioRegionView::TapeAudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
  51                                           boost::shared_ptr<AudioRegion> r,
  52                                           double spu,
  53                                           Gdk::Color const & basic_color)
  54
  55         : AudioRegionView (parent, tv, r, spu, basic_color, false,
  56                            TimeAxisViewItem::Visibility ((r->position() != 0) ? default_tape_visibility :
  57                                                          TimeAxisViewItem::Visibility (default_tape_visibility|TimeAxisViewItem::HideFrameLeft)))
  58 {
  59 }
  60
  61 void
  62 TapeAudioRegionView::init (Gdk::Color const & basic_color, bool /*wfw*/)
  63 {
  64         /* never wait for data: always just create the waves, connect once and then
  65            we'll update whenever we need to.
  66         */
  67
  68         AudioRegionView::init(basic_color, false);
  69
  70         /* every time the wave data changes and peaks are ready, redraw */
  71
  72         for (uint32_t n = 0; n < audio_region()->n_channels(); ++n) {
  73                 audio_region()->audio_source(n)->PeaksReady.connect (*this, invalidator (*this), boost::bind (&TapeAudioRegionView::update, this, n), gui_context());
  74         }
  75
  76 }
  77
  78 TapeAudioRegionView::~TapeAudioRegionView()
  79 {
  80 }
  81
  82 void
  83 TapeAudioRegionView::update (uint32_t n)
  84 {
  85         /* check that all waves are build and ready */
  86
  87         if (!tmp_waves.empty()) {
  88                 return;
  89         }
  90
  91         ENSURE_GUI_THREAD (*this, &TapeAudioRegionView::update, n)
  92
  93         /* this triggers a cache invalidation and redraw in the waveview */
  94
  95         waves[n]->property_data_src() = _region.get();
  96 }
  97
  98 void
  99 TapeAudioRegionView::set_frame_color ()
 100 {
 101         fill_opacity = 255;
 102         AudioRegionView::set_frame_color ();
 103 }