ImageGraph.h

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// -*- c-basic-offset: 4 -*-
/*  This is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This software is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this software. If not, see
 *  <http://www.gnu.org/licenses/>.
 *
 */

#ifndef _PANODATA_IMAGEGRAPH_H
#define _PANODATA_IMAGEGRAPH_H

#include <hugin_shared.h>

#include <panodata/PanoramaData.h>
#include <algorithms/basic/CalculateOverlap.h>

namespace HuginGraph
{

class IMPEX BreadthFirstSearchVisitor
{
public:
    virtual void Visit(const size_t vertex, const HuginBase::UIntSet& visitedNeighbors, const HuginBase::UIntSet& unvisitedNeighbors) = 0;
};

class IMPEX ImageGraph
{
public:
    typedef std::vector<HuginBase::UIntSet> GraphList;
    typedef std::vector<HuginBase::UIntSet> Components;
    ImageGraph(const HuginBase::PanoramaData& pano, bool ignoreLinkedPosition = false);
    ImageGraph(const HuginBase::CalculateImageOverlap& overlap);
    Components GetComponents();
    bool IsConnected();
    void VisitAllImages(const size_t startImg, bool forceAllComponents, BreadthFirstSearchVisitor* visitor);
private:
    GraphList m_graph;
}; // class ImageGraph

} // namespace HuginGraph

#endif // _PANODATA_IMAGEGRAPH_H