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ghostregion.cc

/*
    Copyright (C) 2000-2007 Paul Davis 

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include "simplerect.h"
#include "waveview.h"
#include "ghostregion.h"
#include "automation_time_axis.h"
#include "rgb_macros.h"
#include "ardour_ui.h"

using namespace Editing;
using namespace ArdourCanvas;

GhostRegion::GhostRegion (AutomationTimeAxisView& atv, double initial_pos)
      : trackview (atv)
{
  //group = gnome_canvas_item_new (GNOME_CANVAS_GROUP(trackview.canvas_display),
  //                   gnome_canvas_group_get_type(),
  //                   "x", initial_pos,
  //                   "y", 0.0,
  //                   NULL);
      group = new ArdourCanvas::Group (*trackview.canvas_display);
      group->property_x() = initial_pos;
      group->property_y() = 0.0;

      base_rect = new ArdourCanvas::SimpleRect (*group);
      base_rect->property_x1() = (double) 0.0;
      base_rect->property_y1() = (double) 0.0;
      base_rect->property_y2() = (double) trackview.current_height();
      base_rect->property_outline_what() = (guint32) 0;
      base_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
      base_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
      group->lower_to_bottom ();

      atv.add_ghost (this);
}

GhostRegion::~GhostRegion ()
{
      GoingAway (this);
      delete base_rect;
      delete group;
}

void
GhostRegion::set_samples_per_unit (double spu)
{
      for (vector<WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
            (*i)->property_samples_per_unit() = spu;
      }           
}

void
GhostRegion::set_duration (double units)
{
        base_rect->property_x2() = units;
}

void
GhostRegion::set_height ()
{
      gdouble ht;
      vector<WaveView*>::iterator i;
      uint32_t n;

      base_rect->property_y2() = (double) trackview.current_height();
      ht = ((trackview.current_height()) / (double) waves.size());
      
      for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
            gdouble yoff = n * ht;
            (*i)->property_height() = ht;
            (*i)->property_y() = yoff;
      }
}

void
GhostRegion::set_colors ()
{
      base_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
      base_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();

    for (uint32_t n=0; n < waves.size(); ++n) {
      waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
      waves[n]->property_fill_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();

      waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
      waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
    }
}

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