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app: set group layer projection priority according to depth

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Set the priority of group-layer projections according to the group
layer's depth, so that top-level groups have a priority of 1
(compared to a priority of 0 for the image projection), and nested
groups have a priority one greater than their parent (in other
words, shallower groups have higher priority than deeper groups,
all of which have lower priority than the image.)

This makes pass-through groups much faster, in particular.
This commit is contained in:
Ell
2017-12-02 09:55:15 -05:00
parent 1a2c0e8198
commit be97b97a2b
1 changed files with 14 additions and 0 deletions
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14
app/core/gimpgrouplayer.c
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@ -84,6 +84,7 @@ static void gimp_group_layer_get_property (GObject *object,
static gint64 gimp_group_layer_get_memsize (GimpObject *object,
gint64 *gui_size);
static void gimp_group_layer_ancestry_changed (GimpViewable *viewable);
static gboolean gimp_group_layer_get_size (GimpViewable *viewable,
gint *width,
gint *height);
@ -230,6 +231,7 @@ gimp_group_layer_class_init (GimpGroupLayerClass *klass)
gimp_object_class->get_memsize = gimp_group_layer_get_memsize;
viewable_class->default_icon_name = "gimp-group-layer";
viewable_class->ancestry_changed = gimp_group_layer_ancestry_changed;
viewable_class->get_size = gimp_group_layer_get_size;
viewable_class->get_children = gimp_group_layer_get_children;
viewable_class->set_expanded = gimp_group_layer_set_expanded;
@ -320,6 +322,7 @@ gimp_group_layer_init (GimpGroupLayer *group)
group);
private->projection = gimp_projection_new (GIMP_PROJECTABLE (group));
gimp_projection_set_priority (private->projection, 1);
g_signal_connect (private->projection, "update",
G_CALLBACK (gimp_group_layer_proj_update),
@ -395,6 +398,17 @@ gimp_group_layer_get_memsize (GimpObject *object,
gui_size);
}
static void
gimp_group_layer_ancestry_changed (GimpViewable *viewable)
{
GimpGroupLayerPrivate *private = GET_PRIVATE (viewable);
gimp_projection_set_priority (private->projection,
gimp_viewable_get_depth (viewable) + 1);
GIMP_VIEWABLE_CLASS (parent_class)->ancestry_changed (viewable);
}
static gboolean
gimp_group_layer_get_size (GimpViewable *viewable,
gint *width,