EmbedderMaxFaceLayers.h

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/*
 * $Revision: 2299 $
 * 
 * last checkin:
 *   $Author: gutwenger $ 
 *   $Date: 2012-05-07 15:57:08 +0200 (Mon, 07 May 2012) $ 
 ***************************************************************/
 
#ifdef _MSC_VER
#pragma once
#endif

#ifndef OGDF_EMBEDDER_MAX_FACE_LAYERS_H
#define OGDF_EMBEDDER_MAX_FACE_LAYERS_H

#include <ogdf/module/EmbedderModule.h>
#include <ogdf/decomposition/BCTree.h>
#include <ogdf/decomposition/StaticSPQRTree.h>

namespace ogdf {

class OGDF_EXPORT EmbedderMaxFaceLayers : public EmbedderModule
{
public:
    //constructor and destructor
    EmbedderMaxFaceLayers() { }
    ~EmbedderMaxFaceLayers() { }

    void call(PlanRep& PG, adjEntry& adjExternal);

private:
    void computeBlockGraphs(const node& bT, const node& cH);

    int constraintMaxFace(const node& bT, const node& cH);

    void maximumFaceRec(const node& bT, node& bT_opt, int& ell_opt);

  void embedBlock(const node& bT);

  void embedBlock(const node& bT, const node& cT, ListIterator<adjEntry>& after);

private:
    BCTree* pBCTree;

    adjEntry* pAdjExternal;

    NodeArray<Graph> blockG;

    NodeArray< NodeArray<node> > nH_to_nBlockEmbedding;

    NodeArray< EdgeArray<edge> > eH_to_eBlockEmbedding;

    NodeArray< NodeArray<node> > nBlockEmbedding_to_nH;

    NodeArray< EdgeArray<edge> > eBlockEmbedding_to_eH;
    
    NodeArray< NodeArray<int> > nodeLength;

    NodeArray< NodeArray<int> > cstrLength;

    NodeArray< List<adjEntry> > newOrder;

    NodeArray<bool> treeNodeTreated;

    NodeArray<StaticSPQRTree*> spqrTrees;
};

} // end namespace ogdf

#endif