1 files changed, 90 insertions, 0 deletions
diff --git a/gtk2_ardour/plugin_automation_line.cc b/gtk2_ardour/plugin_automation_line.cc
new file mode 100644
index 0000000000..3e340123a0
--- /dev/null
+++ b/gtk2_ardour/plugin_automation_line.cc
@@ -0,0 +1,90 @@
+/*
+    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);
+}
+