From 4977924a6e0914f40adfb3d66b714045188a877d Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Tue, 27 Jul 2010 02:10:59 +0000
Subject: [PATCH] Make simple 2-point gain envelopes considered interesting if
 they are not constant gain.

git-svn-id: svn://localhost/ardour2/branches/3.0@7509 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/audio_region_view.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gtk2_ardour/audio_region_view.cc b/gtk2_ardour/audio_region_view.cc
index 138601bf07..c895a0663c 100644
--- a/gtk2_ardour/audio_region_view.cc
+++ b/gtk2_ardour/audio_region_view.cc
@@ -163,7 +163,8 @@ AudioRegionView::init (Gdk::Color const & basic_color, bool wfd)
 	}
 
 	/* make envelope visible if it has anything interesting in it */
-	if (audio_region()->envelope()->size() > 2) {
+	boost::shared_ptr<AutomationList> env = audio_region()->envelope ();
+	if (env->size() > 2 || (env->size() == 2 && env->front()->value != env->back()->value)) {
 		_flags |= EnvelopeVisible;
 	}