From 0538adc58cd7cea4751bc46964a53c7950a00250 Mon Sep 17 00:00:00 2001
From: Emmanuele Bassi <ebassi@gnome.org>
Date: Fri, 5 Apr 2013 15:35:15 +0100
Subject: [PATCH] timeline: Ensure the range on the cubic bezier control points

The X coordinate has to be in the [ 0.0, 1.0 ] range.
---
 clutter/clutter-timeline.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/clutter/clutter-timeline.c b/clutter/clutter-timeline.c
index 513d82e56..440b2d2e9 100644
--- a/clutter/clutter-timeline.c
+++ b/clutter/clutter-timeline.c
@@ -2496,6 +2496,11 @@ clutter_timeline_set_cubic_bezier_progress (ClutterTimeline    *timeline,
 
   priv->cb_1 = *c_1;
   priv->cb_2 = *c_2;
+
+  /* ensure the range on the X coordinate */
+  priv->cb_1.x = CLAMP (priv->cb_1.x, 0.f, 1.f);
+  priv->cb_2.x = CLAMP (priv->cb_2.x, 0.f, 1.f);
+
   clutter_timeline_set_progress_mode (timeline, CLUTTER_CUBIC_BEZIER);
 }