Rob Bradford dd407326fe text: Check generated size of layouts in cache
By comparing the requested size against the computed sized for existing
Pango layouts we can avoid creating layouts where the requested size
matches that of a previously computed one.

In particular this optimisation means that when working with a fixed
positioning based layout (with no constraints on the size of the
ClutterText) the same PangoLayout can be used to calculate the preferred
width, height and also the layout used for the actual painting.

http://bugzilla.openedhand.com/show_bug.cgi?id=2078

Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
2010-04-16 12:50:35 +01:00
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