2005-09-25 14:42:24 -04:00
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/*
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Copyright (C) 2002-2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "public_editor.h"
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2007-06-27 16:23:48 -04:00
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#include "plugin_automation_line.h"
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#include "audio_time_axis.h"
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#include "utils.h"
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#include <ardour/ladspa_plugin.h>
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2007-06-19 23:39:19 -04:00
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#include <ardour/plugin_insert.h>
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#include <ardour/curve.h>
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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2007-06-27 16:23:48 -04:00
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ProcessorAutomationLine::ProcessorAutomationLine (const string & name, Processor& proc, ParamID param,
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TimeAxisView& tv, ArdourCanvas::Group& parent, AutomationList& l)
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2007-06-27 16:23:48 -04:00
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: AutomationLine (name, tv, parent, l),
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_processor(proc),
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_param(param)
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{
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set_verbose_cursor_uses_gain_mapping (false);
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PluginInsert *pi;
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Plugin::ParameterDescriptor desc;
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2007-06-27 16:23:48 -04:00
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if ((pi = dynamic_cast<PluginInsert*>(&_processor)) == 0) {
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fatal << _("insert automation created for non-plugin") << endmsg;
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/*NOTREACHED*/
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}
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2007-06-27 11:51:50 -04:00
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pi->plugin()->get_parameter_descriptor (_param, desc);
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_upper = desc.upper;
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_lower = desc.lower;
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2005-09-25 14:42:24 -04:00
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if (desc.toggled) {
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no_draw = true;
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return;
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}
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no_draw = false;
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_range = _upper - _lower;
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2005-09-25 14:42:24 -04:00
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/* XXX set min/max for underlying curve ??? */
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}
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string
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ProcessorAutomationLine::get_verbose_cursor_string (float fraction)
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{
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char buf[32];
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snprintf (buf, sizeof (buf), "%.2f", _lower + (fraction * _range));
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return buf;
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}
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void
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ProcessorAutomationLine::view_to_model_y (double& y)
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{
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y = _lower + (y * _range);
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}
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void
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ProcessorAutomationLine::model_to_view_y (double& y)
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{
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y = (y - _lower) / _range;
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y = max (0.0, y);
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y = min (y, 1.0);
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}
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