[cairo] patch for check glyphs overlapping

[Henry (Yu) Song - SISA]

It seems to me that checking overlapping in cairo-scaled-font.c is not correct.  Here is patch

Date:   Mon Mar 12 09:49:38 2012 -0700

    checkut overlap in cairo-scaled-font.c

diff --git a/src/cairo-scaled-font.c b/src/cairo-scaled-font.c
index 062e895..e32e975 100644
--- a/src/cairo-scaled-font.c
+++ b/src/cairo-scaled-font.c
@@ -2102,10 +2102,16 @@ _range_contains_glyph (const cairo_box_t *extents,
                                      cairo_fixed_t right,
                                      cairo_fixed_t bottom)
{
-    return right > extents->p1.x &&
-                 left < extents->p2.x &&
-                 bottom > extents->p1.y &&
-                 top < extents->p2.y;
+    return right  < extents->p2.x &&
+                left   > extents->p1.x &&
+                top    > extents->p1.y &&
+                bottom < extents->p2.y;
}
 static cairo_status_t
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