00001 00005 /* Copyright © 2009, 2010 James Legg. 00006 This program is free software: you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation, either version 3 of the License, or 00009 (at your option) any later version. 00010 */ 00011 00012 #ifndef CHANGE_EDGE_SEGMENT_DELTA_H_ 00013 #define CHANGE_EDGE_SEGMENT_DELTA_H_ 00014 00015 #include <cstddef> 00016 00017 #include "ChangePropertyDelta.h" 00018 00019 namespace Document 00020 { 00021 00024 class EdgeSegmentFinder : public PropertyDeltaIdentifier<std::size_t> 00025 { 00026 public: 00030 EdgeSegmentFinder(std::size_t edge_id); 00035 virtual void read(const Track::Track & track, std::size_t & segment_index); 00040 virtual void write(Track::Track & track, const std::size_t & new_segment_index); 00041 protected: 00043 std::size_t edge_id; 00044 }; 00045 00048 typedef ChangePropertyDelta<EdgeSegmentFinder, std::size_t> ChangeEdgeSegmentDelta; 00049 00050 } 00051 00052 #endif // CHANGE_EDGE_SEGMENT_DELTA_H_
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