Neil Roberts e10d255b83 Add a scale center property to ClutterActor
This sets the center point from which the scaling will occur. This can
be used insetad of the anchor point to avoid moving the actor. Like
the anchor point, it can be specified as either a coordinate in units
or a gravity enum.

To set the center you can use two new variants of set_scale:

clutter_actor_set_scale_full (ClutterActor *self,
                              gdouble       scale_x,
                              gdouble       scale_y,
                              int           center_x,
                              int           center_y);

or

clutter_actor_set_scale_with_gravity (ClutterActor   *self,
                                      gdouble         scale_x,
                                      gdouble         scale_y,
                                      ClutterGravity  gravity);

The ClutterFixed variants of the set_scale functions have been removed
and the scale value is now always stored as a double.
2009-01-23 18:41:40 +00:00
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