void Document::copyLayerContent(const Layer* sourceLayer0, Document* destDoc, Layer* destLayer0) const
{
DocumentUndo* undo = destDoc->getUndo();
// Copy the layer name
destLayer0->setName(sourceLayer0->getName());
if (sourceLayer0->isImage() && destLayer0->isImage()) {
const LayerImage* sourceLayer = static_cast<const LayerImage*>(sourceLayer0);
LayerImage* destLayer = static_cast<LayerImage*>(destLayer0);
// copy cels
CelConstIterator it = sourceLayer->getCelBegin();
CelConstIterator end = sourceLayer->getCelEnd();
for (; it != end; ++it) {
const Cel* sourceCel = *it;
UniquePtr<Cel> newCel(new Cel(*sourceCel));
ASSERT((sourceCel->getImage() >= 0) &&
(sourceCel->getImage() < sourceLayer->getSprite()->getStock()->size()));
const Image* sourceImage = sourceLayer->getSprite()->getStock()->getImage(sourceCel->getImage());
ASSERT(sourceImage != NULL);
Image* newImage = Image::createCopy(sourceImage);
newCel->setImage(destLayer->getSprite()->getStock()->addImage(newImage));
if (undo->isEnabled()) {
undo->pushUndoer(new undoers::AddImage(undo->getObjects(),
destLayer->getSprite()->getStock(),
newCel->getImage()));
}
destLayer->addCel(newCel);
newCel.release();
}
}
else if (sourceLayer0->isFolder() && destLayer0->isFolder()) {
const LayerFolder* sourceLayer = static_cast<const LayerFolder*>(sourceLayer0);
LayerFolder* destLayer = static_cast<LayerFolder*>(destLayer0);
LayerConstIterator it = sourceLayer->getLayerBegin();
LayerConstIterator end = sourceLayer->getLayerEnd();
for (; it != end; ++it) {
Layer* sourceChild = *it;
UniquePtr<Layer> destChild(NULL);
if (sourceChild->isImage()) {
destChild.reset(new LayerImage(destLayer->getSprite()));
copyLayerContent(sourceChild, destDoc, destChild);
}
else if (sourceChild->isFolder()) {
destChild.reset(new LayerFolder(destLayer->getSprite()));
copyLayerContent(sourceChild, destDoc, destChild);
}
else {
ASSERT(false);
}
ASSERT(destChild != NULL);
// Add the new layer in the sprite.
destDoc->getApi().addLayer(destLayer,
destChild.release(),
destLayer->getLastLayer());
}
}
else {
ASSERT(false && "Trying to copy two incompatible layers");
}
}
