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Sourcecode: ardour version File versions

boolean_automation_line.cc

/*
    Copyright (C) 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 "boolean_automation_line.h"
#include "time_axis_view.h"
#include "public_editor.h"

using namespace std;
using namespace sigc;
using namespace ARDOUR;
using namespace PBD;

void
BooleanAutomationLine::model_to_view_y (double& y)
{
      if (y > 0.5) {
            y = 1.0;
      } else {
            y = 0.0;
      }
}

void
BooleanAutomationLine::view_to_model_y (double& y)
{
      if (y > 0.5) {
            y = 1.0;
      } else {
            y = 0.0;
      }
}

void
BooleanAutomationLine::add_model_point (AutomationLine::ALPoints& tmp_points, double frame, double yfract)
{
      /* add two points, one to represent "on" and one to represent "off" */

      double x = trackview.editor.frame_to_unit (frame);

      tmp_points.push_back (ALPoint (x > 0 ? x - 1 : 0, _height > 4 ? 2 : 0));
      tmp_points.push_back (ALPoint (x + 1, _height > 2 ? _height - 2 : _height));
}


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