[baobab] baobab-ringschart: fix visibility of outmost items

[Stefano Facchini <sfacchini src gnome org>]

commit 693bc1b3c9e7ed9606418498b97da98ec16566cf
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Thu Mar 15 21:45:13 2012 +0100

    baobab-ringschart: fix visibility of outmost items
    
    Small errors due to finite precision can sum up and lead to
    a max radius for outmost items slightly bigger than max radius
    of the chart, making those items invisible. Avoid this by using
    the discrete item depth instead.

 src/baobab-ringschart.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/baobab-ringschart.c b/src/baobab-ringschart.c
index 8f10abe..c5ee034 100644
--- a/src/baobab-ringschart.c
+++ b/src/baobab-ringschart.c
@@ -264,7 +264,7 @@ baobab_ringschart_calculate_item_geometry (BaobabChart *chart,
 
       data->min_radius = (item->depth) * thickness;
 
-      if (data->min_radius + thickness > max_radius)
+      if (item->depth > max_depth)
         return;
       else
         data->max_radius = data->min_radius + thickness;