gtk2_ardour/ghostregion.cc

   1 /*
   2     Copyright (C) 2000-2007 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 "simplerect.h"
  21 #include "waveview.h"
  22 #include "ghostregion.h"
  23 #include "automation_time_axis.h"
  24 #include "rgb_macros.h"
  25 #include "ardour_ui.h"
  26
  27 using namespace Editing;
  28 using namespace ArdourCanvas;
  29
  30 GhostRegion::GhostRegion (AutomationTimeAxisView& atv, double initial_pos)
  31         : trackview (atv)
  32 {
  33   //group = gnome_canvas_item_new (GNOME_CANVAS_GROUP(trackview.canvas_display),
  34   //                         gnome_canvas_group_get_type(),
  35   //                         "x", initial_pos,
  36   //                         "y", 0.0,
  37   //                         NULL);
  38         group = new ArdourCanvas::Group (*trackview.canvas_display);
  39         group->property_x() = initial_pos;
  40         group->property_y() = 0.0;
  41
  42         base_rect = new ArdourCanvas::SimpleRect (*group);
  43         base_rect->property_x1() = (double) 0.0;
  44         base_rect->property_y1() = (double) 0.0;
  45         base_rect->property_y2() = (double) trackview.current_height();
  46         base_rect->property_outline_what() = (guint32) 0;
  47         base_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
  48         base_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
  49         group->lower_to_bottom ();
  50
  51         atv.add_ghost (this);
  52 }
  53
  54 GhostRegion::~GhostRegion ()
  55 {
  56         GoingAway (this);
  57         delete base_rect;
  58         delete group;
  59 }
  60
  61 void
  62 GhostRegion::set_samples_per_unit (double spu)
  63 {
  64         for (vector<WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
  65                 (*i)->property_samples_per_unit() = spu;
  66         }
  67 }
  68
  69 void
  70 GhostRegion::set_duration (double units)
  71 {
  72         base_rect->property_x2() = units;
  73 }
  74
  75 void
  76 GhostRegion::set_height ()
  77 {
  78         gdouble ht;
  79         vector<WaveView*>::iterator i;
  80         uint32_t n;
  81
  82         base_rect->property_y2() = (double) trackview.current_height();
  83         ht = ((trackview.current_height()) / (double) waves.size());
  84
  85         for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
  86                 gdouble yoff = n * ht;
  87                 (*i)->property_height() = ht;
  88                 (*i)->property_y() = yoff;
  89         }
  90 }
  91
  92 void
  93 GhostRegion::set_colors ()
  94 {
  95         base_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
  96         base_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
  97
  98     for (uint32_t n=0; n < waves.size(); ++n) {
  99         waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
 100         waves[n]->property_fill_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
 101
 102         waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
 103         waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
 104     }
 105 }