PreprocessorLayout.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_PREPROCESSOR_LAYOUT_H
#define OGDF_PREPROCESSOR_LAYOUT_H


#include <ogdf/basic/ModuleOption.h>
#include <ogdf/module/MultilevelLayoutModule.h>


namespace ogdf {


class OGDF_EXPORT PreprocessorLayout : public MultilevelLayoutModule
{
private:
    struct EdgeData
    {
        EdgeData(int edgeIndex, int sourceIndex, int targetIndex, double weight)
            :edgeIndex(edgeIndex), sourceIndex(sourceIndex), targetIndex(targetIndex), weight(weight)
        {};

        int edgeIndex;
        int sourceIndex;
        int targetIndex;
        double weight;
    };

    ModuleOption<LayoutModule> m_secondaryLayout;
    std::vector<EdgeData> m_deletedEdges;
    bool m_randomize;

    void call(Graph &G, MultilevelGraph &MLG);

public:

    PreprocessorLayout();

    ~PreprocessorLayout() { }


    void call(MultilevelGraph &MLG);

    void call(GraphAttributes &GA);

    void setLayoutModule(LayoutModule *layout) {
        m_secondaryLayout.set(layout);
    }

    void setRandomizePositions(bool on) {
        m_randomize = on;
    }
};


} // namespace ogdf

#endif