Initial import of gtk2_ardour.

git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 95 insertions, 0 deletions

diff --git a/gtk2_ardour/redirect_automation_line.cc b/gtk2_ardour/redirect_automation_line.cc
new file mode 100644
index 0000000000..138d376a65
--- /dev/null
+++ b/gtk2_ardour/redirect_automation_line.cc
@@ -0,0 +1,95 @@
+/*
+    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.
+
+    $Id$
+*/
+
+#include "public_editor.h"
+#include "redirect_automation_line.h"
+#include "audio_time_axis.h"
+#include "utils.h"
+
+#include <ardour/session.h>
+#include <ardour/ladspa_plugin.h>
+#include <ardour/insert.h>
+#include <ardour/curve.h>
+
+#include "i18n.h"
+
+using namespace std;
+using namespace ARDOUR;
+
+RedirectAutomationLine::RedirectAutomationLine (string name, Redirect& rd, uint32_t port, Session& s,
+						TimeAxisView& tv, GtkCanvasItem* parent,
+						AutomationList& l,
+						gint (*point_callback)(GtkCanvasItem*, GdkEvent*, gpointer),
+						gint (*line_callback)(GtkCanvasItem*, GdkEvent*, gpointer))
+
+	: AutomationLine (name, tv, parent, l, point_callback, line_callback),
+	  session (s),
+	  _redirect (rd),
+	  _port (port)
+{
+	set_verbose_cursor_uses_gain_mapping (false);
+
+	PluginInsert *pi;
+	Plugin::ParameterDescriptor desc;
+
+	if ((pi  = dynamic_cast<PluginInsert*>(&_redirect)) == 0) {
+		fatal << _("redirect automation created for non-plugin") << endmsg;
+		/*NOTREACHED*/
+	}
+
+	pi->plugin().get_parameter_descriptor (_port, 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
+RedirectAutomationLine::get_verbose_cursor_string (float fraction)
+{
+	char buf[32];
+
+	snprintf (buf, sizeof (buf), "%.2f", lower + (fraction * range));
+	return buf;
+}
+
+void
+RedirectAutomationLine::view_to_model_y (double& y)
+{
+	y = lower + (y * range);
+}
+
+void
+RedirectAutomationLine::model_to_view_y (double& y)
+{
+	y = (y - lower) / range;
+	y = max (0.0, y);
+	y = min (y, 1.0);
+}
+