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Fix segfault

This commit is contained in:
Maxime Gimeno 2016-07-05 16:02:15 +02:00
parent 18e11fe419
commit 9adbc52f8b
1 changed files with 16 additions and 6 deletions
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22
Polyhedron/demo/Polyhedron/Plugins/AABB_tree/Cut_plugin.cpp
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@ -1028,14 +1028,22 @@ public Q_SLOTS:
Scene_polyhedron_item* item = qobject_cast<Scene_polyhedron_item*>(sender); Scene_polyhedron_item* item = qobject_cast<Scene_polyhedron_item*>(sender);
if(!item) if(!item)
return; return;
delete facet_trees[item]; if(facet_trees.keys().contains(item))
facet_trees.remove(item); {
delete edge_trees[item]; delete facet_trees[item];
edge_trees.remove(item); facet_trees.remove(item);
}
if(edge_trees.keys().contains(item))
{
delete edge_trees[item];
edge_trees.remove(item);
}
if(facet_trees.empty()) if(facet_trees.empty())
{ {
scene->erase(scene->item_id(plane_item)); if(plane_item)
scene->erase(scene->item_id(edges_item)); scene->erase(scene->item_id(plane_item));
if(edges_item)
scene->erase(scene->item_id(edges_item));
} }
else else
{ {
@ -1293,6 +1301,8 @@ void Polyhedron_demo_cut_plugin::computeIntersection()
void Polyhedron_demo_cut_plugin::cut() void Polyhedron_demo_cut_plugin::cut()
{ {
if(!plane_item)
return;
switch(plane_item->cutPlaneType()) switch(plane_item->cutPlaneType())
{ {
case Scene_aabb_plane_item::CUT_SEGMENTS: case Scene_aabb_plane_item::CUT_SEGMENTS: