void setOriginalLayer(const LayerConstRef &layer)
{
original = layer;
auto originalRectLayer = dynamicSPCast<const AbstractRectLayer>(layer);
if (originalRectLayer)
{
rectLayer = staticSPCast<AbstractRectLayer>(layer->clone());
originalRectPos = rectLayer->rect().topLeft();
}
auto rasterLayer = dynamicSPCast<const RasterLayer>(layer);
if (rasterLayer)
{
rasterBoundingRect = rasterLayer->surface().boundingRect();
rasterOffset = QPoint();
}
}
