Cell* Cell::copy(Cell *cell)
{
Cell *c = 0;
if(!cell)
c = new Cell();
else
c = cell;
c->setStitch(stitch());
c->setBgColor(bgColor());
c->setColor(c->color());
c->setTransformOriginPoint(transformOriginPoint());
c->setRotation(0);
c->setTransform(QTransform());
c->setTransformations(ChartItemTools::cloneGraphicsTransformations(this));
foreach (QGraphicsTransform* t, transformations())
t->setParent(parentObject());
return c;
}
template<class Transformation> void Object<Transformation>::setClean(std::vector<std::reference_wrapper<Object<Transformation>>> objects) {
/* Remove all clean objects from the list */
auto firstClean = std::remove_if(objects.begin(), objects.end(), [](Object<Transformation>& o) { return !o.isDirty(); });
objects.erase(firstClean, objects.end());
/* No dirty objects left, done */
if(objects.empty()) return;
/* Add non-clean parents to the list. Mark each added object as visited, so
they aren't added more than once */
for(std::size_t end = objects.size(), i = 0; i != end; ++i) {
Object<Transformation>& o = objects[i];
o.flags |= Flag::Visited;
Object<Transformation>* parent = o.parent();
while(parent && !(parent->flags & Flag::Visited) && parent->isDirty()) {
objects.push_back(*parent);
parent = parent->parent();
}
}
/* Cleanup all marks */
for(auto o: objects) o.get().flags &= ~Flag::Visited;
/* Compute absolute transformations */
Scene<Transformation>* scene = objects[0].get().scene();
CORRADE_ASSERT(scene, "Object::setClean(): objects must be part of some scene", );
std::vector<typename Transformation::DataType> transformations(scene->transformations(objects));
/* Go through all objects and clean them */
for(std::size_t i = 0; i != objects.size(); ++i) {
/* The object might be duplicated in the list, don't clean it more than once */
if(!objects[i].get().isDirty()) continue;
objects[i].get().setCleanInternal(transformations[i]);
CORRADE_ASSERT(!objects[i].get().isDirty(), "SceneGraph::Object::setClean(): original implementation was not called", );
}
}
