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/*
Copyright (C) 2002-2003 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.
*/
#include "public_editor.h"
#include "plugin_automation_line.h"
#include "audio_time_axis.h"
#include "utils.h"
#include <ardour/ladspa_plugin.h>
#include <ardour/plugin_insert.h>
#include <ardour/curve.h>
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
ProcessorAutomationLine::ProcessorAutomationLine (const string & name, Processor& proc, ParamID param,
TimeAxisView& tv, ArdourCanvas::Group& parent, AutomationList& l)
: AutomationLine (name, tv, parent, l),
_processor(proc),
_param(param)
{
set_verbose_cursor_uses_gain_mapping (false);
PluginInsert *pi;
Plugin::ParameterDescriptor desc;
if ((pi = dynamic_cast<PluginInsert*>(&_processor)) == 0) {
fatal << _("insert automation created for non-plugin") << endmsg;
/*NOTREACHED*/
}
pi->plugin()->get_parameter_descriptor (_param, desc);
_upper = desc.upper;
_lower = desc.lower;
if (desc.toggled) {
no_draw = true;
return;
}
no_draw = false;
_range = _upper - _lower;
/* XXX set min/max for underlying curve ??? */
}
string
ProcessorAutomationLine::get_verbose_cursor_string (float fraction)
{
char buf[32];
snprintf (buf, sizeof (buf), "%.2f", _lower + (fraction * _range));
return buf;
}
void
ProcessorAutomationLine::view_to_model_y (double& y)
{
y = _lower + (y * _range);
}
void
ProcessorAutomationLine::model_to_view_y (double& y)
{
y = (y - _lower) / _range;
y = max (0.0, y);
y = min (y, 1.0);
}
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