Пример #1
0
void RemoveImage::revert(ObjectsContainer* objects, UndoersCollector* redoers)
{
  Stock* stock = objects->getObjectT<Stock>(m_stockId);
  Image* image = read_object<Image>(objects, m_stream, raster::read_image);

  // Push an AddImage as redoer
  redoers->pushUndoer(new AddImage(objects, stock, m_imageIndex));

  stock->replaceImage(m_imageIndex, image);
}
Пример #2
0
void ReplaceImage::revert(ObjectsContainer* objects, UndoersCollector* redoers)
{
  Stock* stock = objects->getObjectT<Stock>(m_stockId);

  // Read the image to be restored from the stream
  Image* image = read_object<Image>(objects, m_stream, raster::read_image);

  // Save the current image in the redoers
  redoers->pushUndoer(new ReplaceImage(objects, stock, m_imageIndex));
  Image* oldImage = stock->getImage(m_imageIndex);

  // Replace the image in the stock
  stock->replaceImage(m_imageIndex, image);

  // Destroy the old image
  delete oldImage;
}