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actor: improve rounding in get_allocation_geometry

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Instead of relying on C to round the floating point allocation to
integers by flooring the values we now use CLUTTER_NEARBYINT to round
the allocation's position and size to the nearest integers instead. Using
floor leads to rather unstable rounding for the width and height when
there may be tiny fluctuations in the floating point width/height.

Signed-off-by: Neil Roberts <neil@linux.intel.com>
Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
This commit is contained in:
Robert Bragg 2011-07-12 01:06:28 +01:00
parent 32487af55b
commit df751a8a25
1 changed files with 4 additions and 4 deletions
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8
clutter/clutter-actor.c
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@ -6122,10 +6122,10 @@ clutter_actor_get_allocation_geometry (ClutterActor *self,
clutter_actor_get_allocation_box (self, &box);
geom->x = clutter_actor_box_get_x (&box);
geom->y = clutter_actor_box_get_y (&box);
geom->width = clutter_actor_box_get_width (&box);
geom->height = clutter_actor_box_get_height (&box);
geom->x = CLUTTER_NEARBYINT (clutter_actor_box_get_x (&box));
geom->y = CLUTTER_NEARBYINT (clutter_actor_box_get_y (&box));
geom->width = CLUTTER_NEARBYINT (clutter_actor_box_get_width (&box));
geom->height = CLUTTER_NEARBYINT (clutter_actor_box_get_height (&box));
}
/**