gtk2_ardour/automation_pan_line.cc

   1 /*
   2     Copyright (C) 2000-2003 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 <sigc++/signal.h>
  21
  22 #include <ardour/curve.h>
  23
  24 #include "canvas_impl.h"
  25 #include "public_editor.h"
  26 #include "automation_pan_line.h"
  27 #include "utils.h"
  28 #include <cmath>
  29
  30 #include <ardour/session.h>
  31
  32 using namespace ARDOUR;
  33 using namespace PBD;
  34
  35 AutomationPanLine::AutomationPanLine (const string & name, Session& s, TimeAxisView& tv, ArdourCanvas::Group& parent, Curve& c)
  36
  37         : AutomationLine (name, tv, parent, c),
  38           session (s)
  39 {
  40 }
  41
  42 void
  43 AutomationPanLine::view_to_model_y (double& y)
  44 {
  45         // vertical coordinate axis reversal
  46         y = 1.0 - y;
  47 }
  48
  49 void
  50 AutomationPanLine::model_to_view_y (double& y)
  51 {
  52         // vertical coordinate axis reversal
  53         y = 1.0 - y;
  54 }
  55
  56