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/*
Copyright (C) 2003 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.
$Id$
*/
#include <ardour/curve.h>
#include <ardour/route.h>
#include "gain_automation_time_axis.h"
#include "automation_line.h"
#include "canvas.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
GainAutomationTimeAxisView::GainAutomationTimeAxisView (Session& s, Route& r, PublicEditor& e, TimeAxisView& parent, ArdourCanvas::Canvas& canvas, const string & n, ARDOUR::Curve& c)
: AxisView (s),
AutomationTimeAxisView (s, r, e, parent, canvas, n, X_("gain"), ""),
curve (c)
{
}
GainAutomationTimeAxisView::~GainAutomationTimeAxisView ()
{
}
void
GainAutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* item, GdkEvent* event, jack_nframes_t when, double y)
{
double x = 0;
canvas_display->w2i (x, y);
/* compute vertical fractional position */
y = 1.0 - (y / height);
/* map using line */
lines.front()->view_to_model_y (y);
_session.begin_reversible_command (_("add gain automation event"));
_session.add_undo (curve.get_memento());
curve.add (when, y);
_session.add_redo_no_execute (curve.get_memento());
_session.commit_reversible_command ();
_session.set_dirty ();
}
void
GainAutomationTimeAxisView::set_automation_state (AutoState state)
{
if (!ignore_state_request) {
route.set_gain_automation_state (state);
}
}
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