answering my own question...
ClutterGroup does implement get_paint_volume and returns the union of
the paint volumes of its children. ClutterBox doesn't implement it
because (I guess) the volume depends on the layout manager used. Just
like layout managers control allocation, it would be nice if they also
compute the paint volume and have box do something like this:
static gboolean
clutter_box_real_get_paint_volume (ClutterActor *self,
ClutterPaintVolume *volume)
{
ClutterBoxPrivate *priv = CLUTTER_BOX (actor)->priv;
return clutter_layout_manager_get_paint_volume(priv->manager,
CLUTTER_CONTAINER (actor),
volume);
}
On 02/01/2011 04:16 PM, Dioselin Courter wrote:
Hello,
The following behaviour can be seen with the test program
'test-bin-layout'.
A simple program with a box, bin_layout and a rectangle inside the
box. When I debug it using CLUTTER_PAINT=paint-volumes, there is the
green outline around the rectangle but the one for the box is blue
(i.e. according to a previous message[1] "the actor isn't actually
able to report a paint-volume"). When using CLUTTER_PAINT=redraws,
there is no red outline (I guess because clutter couldn't calculate
the subregion to draw?).
My question is : Do I have to do something for actors with layout
managers to report their paint volume?
Thank you,
Dio.-
[1]
http://www.mail-archive.com/[email protected]/msg00408.html
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