[clutter/clutter-1.10] actor: Round the adjusted allocation origin correctly

[Emmanuele Bassi <ebassi src gnome org>]

commit 70b7955de0bde0b8ac129ab5f9d7ba8fbad0df3f
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Jul 12 22:30:53 2012 +0100

    actor: Round the adjusted allocation origin correctly
    
    We use floorf() for the allocation origin, and ceilf() for the
    allocation size. Swapping the two introduces rounding errors if
    the original allocation is not clamped to the nearest pixel.
    (cherry picked from commit 2bec43c3c232eebd3ce12b9222fedf3a2a6f88a3)
    
    Signed-off-by: Emmanuele Bassi <ebassi gnome org>

 clutter/clutter-actor.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/clutter/clutter-actor.c b/clutter/clutter-actor.c
index c3faff7..2b7c86f 100644
--- a/clutter/clutter-actor.c
+++ b/clutter/clutter-actor.c
@@ -7776,7 +7776,7 @@ adjust_for_alignment (ClutterActorAlign  alignment,
     case CLUTTER_ACTOR_ALIGN_CENTER:
       if (allocated_size > natural_size)
         {
-          *allocated_start += ceilf ((allocated_size - natural_size) / 2);
+          *allocated_start += floorf ((allocated_size - natural_size) / 2);
           *allocated_end = *allocated_start + MIN (allocated_size, natural_size);
         }
       break;