Method sceneDeepCopy

src/domain/UBGraphicsScene.cpp:1400–1470

}

std::shared_ptr<UBGraphicsScene> UBGraphicsScene::sceneDeepCopy() const
{
    std::shared_ptr<UBGraphicsScene> copy = std::make_shared<UBGraphicsScene>(this->document(), this->mUndoRedoStackEnabled);

    copy->setBackground(this->isDarkBackground(), mPageBackground);
    copy->setBackgroundGridSize(mBackgroundGridSize);
    copy->setSceneRect(this->sceneRect());

    if (this->mNominalSize.isValid())
        copy->setNominalSize(this->mNominalSize);

    foreach (auto item, items())
    {
        UBItem* ubItem = dynamic_cast<UBItem*>(item);

        // copy visible top-level items
        if (ubItem && item->isVisible() && !item->parentItem())
        {
            QGraphicsItem* cloneItem = nullptr;
            UBGraphicsGroupContainerItem* group = dynamic_cast<UBGraphicsGroupContainerItem*>(item);

            if (group)
            {
                UBGraphicsGroupContainerItem* groupCloned = group->deepCopyNoChildDuplication();
                groupCloned->resetTransform();
                groupCloned->setPos(0, 0);

                foreach (QGraphicsItem* childItem, group->childItems())
                {
                    UBItem* childUBItem = dynamic_cast<UBItem*>(childItem);
                    if (childUBItem)
                    {
                        UBItem* childUBItemCopy = childUBItem->deepCopy();
                        QGraphicsItem* copiedChild = dynamic_cast<QGraphicsItem*>(childUBItemCopy);
                        groupCloned->addToGroup(copiedChild);
                    }
                }

                bool locked = group->Delegate()->isLocked();

                if (locked)
                    groupCloned->setData(UBGraphicsItemData::ItemLocked, QVariant(true));

                groupCloned->setData(UBGraphicsItemData::ItemIsHiddenOnDisplay, QVariant(group->data(UBGraphicsItemData::ItemIsHiddenOnDisplay)));

                groupCloned->setTransform(QTransform::fromTranslate(group->pos().x(), group->pos().y()));
                groupCloned->setTransform(group->transform(), true);
                cloneItem = groupCloned;
            }
            else
            {
                cloneItem = dynamic_cast<QGraphicsItem*>(ubItem->deepCopy());
            }

            if (cloneItem)
            {
                copy->addItem(cloneItem);