deleteCommand.cpp

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#include <pcl/apps/point_cloud_editor/deleteCommand.h>
#include <pcl/apps/point_cloud_editor/copyBuffer.h>
#include <pcl/apps/point_cloud_editor/selection.h>

DeleteCommand::DeleteCommand (SelectionPtr selection_ptr,
                              CloudPtr cloud_ptr)
  : cloud_ptr_(cloud_ptr), selection_ptr_(selection_ptr), deleted_selection_(cloud_ptr) {}

void
DeleteCommand::execute ()
{
  if (!cloud_ptr_)
    return;
  if (selection_ptr_->empty())
    return;

  // back up the points to be deleted
  deleted_selection_ = *selection_ptr_;
  deleted_cloud_buffer_.set(cloud_ptr_, deleted_selection_);

  // delete the points
  cloud_ptr_->remove(deleted_selection_);

  // The selection points to the incorrect points or may have indices out of
  // bounds, so we must clear it.
  selection_ptr_->clear();

  // notify the cloud that the selection has changed
  cloud_ptr_ -> setSelection(selection_ptr_);
}

void
DeleteCommand::undo ()
{
  if (!cloud_ptr_)
    return;
  cloud_ptr_->restore(deleted_cloud_buffer_, deleted_selection_);
}