PreprocessorLayout.h

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#pragma once
 
#include <ogdf/basic/LayoutModule.h>
#include <ogdf/basic/basic.h>
#include <ogdf/energybased/multilevel_mixer/MultilevelLayoutModule.h>
 
#include <memory>
#include <vector>
 
namespace ogdf {
class Graph;
class GraphAttributes;
class MultilevelGraph;
 
class OGDF_EXPORT PreprocessorLayout : public MultilevelLayoutModule {
private:
    struct EdgeData {
        EdgeData(int edgeInd, int sourceInd, int targetInd, double edgeWeight)
            : edgeIndex(edgeInd), sourceIndex(sourceInd), targetIndex(targetInd), weight(edgeWeight) { }
 
        int edgeIndex;
        int sourceIndex;
        int targetIndex;
        double weight;
    };
 
    std::unique_ptr<LayoutModule> m_secondaryLayout;
    std::vector<EdgeData> m_deletedEdges;
    bool m_randomize;
 
    void call(Graph& G, MultilevelGraph& MLG);
 
public:
    PreprocessorLayout();
 
    ~PreprocessorLayout() { }
 
    using MultilevelLayoutModule::call;
 
    virtual void call(MultilevelGraph& MLG) override;
 
    virtual void call(GraphAttributes& GA) override;
 
    void setLayoutModule(LayoutModule* layout) { m_secondaryLayout.reset(layout); }
 
    void setRandomizePositions(bool on) { m_randomize = on; }
};
 
}