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35 
36 ///
37 /// @file   pasteCommand.cpp
38 /// @details implementation of the class PasteCommand
39 /// @author  Yue Li and Matthew Hielsberg
40 
41 #include <pcl/apps/point_cloud_editor/pasteCommand.h>
42 #include <pcl/apps/point_cloud_editor/cloud.h>
43 #include <pcl/apps/point_cloud_editor/copyBuffer.h>
44 #include <pcl/apps/point_cloud_editor/selection.h>
45 
PasteCommand(ConstCopyBufferPtr copy_buffer_ptr,SelectionPtr selection_ptr,CloudPtr cloud_ptr)46 PasteCommand::PasteCommand (ConstCopyBufferPtr copy_buffer_ptr,
47                             SelectionPtr selection_ptr,
48                             CloudPtr cloud_ptr)
49   : copy_buffer_ptr_(std::move(copy_buffer_ptr)), selection_ptr_(std::move(selection_ptr)),
50     cloud_ptr_(std::move(cloud_ptr))
51 {
52 }
53 
54 void
execute()55 PasteCommand::execute()
56 {
57   if (!cloud_ptr_)
58     return;
59   // record the previous cloud size
60   prev_cloud_size_ = cloud_ptr_->size();
61 
62   // paste and update cloud status
63   cloud_ptr_->append(copy_buffer_ptr_->get());
64 
65   // make the appended cloud be selected
66   selection_ptr_ -> clear();
67   selection_ptr_ -> addIndexRange(prev_cloud_size_,
68                                   cloud_ptr_->size() - prev_cloud_size_);
69   // notify the cloud that the selection has changed
70   cloud_ptr_ -> setSelection(selection_ptr_);
71 }
72 
73 void
undo()74 PasteCommand::undo()
75 {
76   if (!cloud_ptr_)
77     return;
78   selection_ptr_->removeIndexRange(prev_cloud_size_, cloud_ptr_->size()-prev_cloud_size_);
79   cloud_ptr_->resize(prev_cloud_size_);
80 }
81