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Fix the layer-offset of the group layer's projection graph 

Insert a gegl:translate node into the group layer's projection
graph. Produces identical results as the legacy projection now, but is
not yet switched on by checking View->Use Gegl.
This commit is contained in:
Michael Natterer 2009-08-24 22:01:16 +02:00
parent f65261c8ad
commit 1403db11ef
2 changed files with 45 additions and 1 deletions
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44
app/core/gimpgrouplayer.c
View File

@ -291,6 +291,12 @@ gimp_group_layer_finalize (GObject *object)
group->projection = NULL;
}
if (group->graph)
{
g_object_unref (group->graph);
group->graph = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@ -526,8 +532,38 @@ static GeglNode *
gimp_group_layer_get_graph (GimpProjectable *projectable)
{
GimpGroupLayer *group = GIMP_GROUP_LAYER (projectable);
GeglNode *layers_node;
GeglNode *output;
gint off_x;
gint off_y;
return gimp_drawable_stack_get_graph (GIMP_DRAWABLE_STACK (group->children));
if (group->graph)
return group->graph;
group->graph = gegl_node_new ();
layers_node =
gimp_drawable_stack_get_graph (GIMP_DRAWABLE_STACK (group->children));
gegl_node_add_child (group->graph, layers_node);
gimp_item_get_offset (GIMP_ITEM (group), &off_x, &off_y);
group->offset_node = gegl_node_new_child (group->graph,
"operation", "gegl:translate",
"x", (gdouble) -off_x,
"y", (gdouble) -off_y,
NULL);
gegl_node_connect_to (layers_node, "output",
group->offset_node, "input");
output = gegl_node_get_output_proxy (group->graph, "output");
gegl_node_connect_to (group->offset_node, "output",
output, "input");
return group->graph;
}
static GList *
@ -657,6 +693,12 @@ gimp_group_layer_update_size (GimpGroupLayer *group)
{
gimp_item_set_offset (GIMP_ITEM (group), x, y);
}
if (group->offset_node)
gegl_node_set (group->offset_node,
"x", (gdouble) -x,
"y", (gdouble) -y,
NULL);
}
}

2
app/core/gimpgrouplayer.h
View File

@ -41,6 +41,8 @@ struct _GimpGroupLayer
GimpContainer *children;
GimpProjection *projection;
GeglNode *graph;
GeglNode *offset_node;
};
struct _GimpGroupLayerClass