[gtk+] cssanimation: Fix animation-direction handling

[Benjamin Otte <otte src gnome org>]

commit 80db4f9ce7678a7211e72fb3ed32d55a6e1d8f95
Author: Benjamin Otte <otte redhat com>
Date:   Mon Jul 7 20:04:34 2014 +0200

    cssanimation: Fix animation-direction handling
    
    "alternate" was behaving as "alternate-reverse" and vice versa.

 gtk/gtkcssanimation.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkcssanimation.c b/gtk/gtkcssanimation.c
index ef5e79a..df2e609 100644
--- a/gtk/gtkcssanimation.c
+++ b/gtk/gtkcssanimation.c
@@ -87,15 +87,15 @@ gtk_css_animation_get_progress_from_iteration (GtkCssAnimation *animation,
     case GTK_CSS_DIRECTION_ALTERNATE:
       d = floor (iteration);
       if (fmod (d, 2))
-        return iteration - d;
-      else
         return 1 + d - iteration;
+      else
+        return iteration - d;
     case GTK_CSS_DIRECTION_ALTERNATE_REVERSE:
       d = floor (iteration);
       if (fmod (d, 2))
-        return 1 + d - iteration;
-      else
         return iteration - d;
+      else
+        return 1 + d - iteration;
     default:
       g_return_val_if_reached (0);
     }