GraphCopyAttributes.h

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/*
 * $Revision: 2027 $
 * 
 * last checkin:
 *   $Author: gutwenger $ 
 *   $Date: 2010-09-01 11:55:17 +0200 (Wed, 01 Sep 2010) $ 
 ***************************************************************/
 
#ifdef _MSC_VER
#pragma once
#endif

#ifndef OGDF_A_GRAPH_COPY_H
#define OGDF_A_GRAPH_COPY_H



#include <ogdf/basic/GraphCopy.h>
#include <ogdf/basic/GraphAttributes.h>


namespace ogdf {

//---------------------------------------------------------
// GraphCopyAttributes 
// manages access on copy of an attributed graph
//---------------------------------------------------------
class OGDF_EXPORT GraphCopyAttributes {

    const GraphCopy *m_pGC;
    GraphAttributes *m_pAG;
    NodeArray<double> m_x, m_y;

public:
    // construction
    GraphCopyAttributes(const GraphCopy &GC, GraphAttributes &AG) :
        m_pGC(&GC), m_pAG(&AG), m_x(GC,0), m_y(GC,0) { }

    // destruction
    ~GraphCopyAttributes() { }

    // returns width of node v
    double getWidth(node v) const {
        return (m_pGC->isDummy(v) ? 0.0 : m_pAG->width(m_pGC->original(v)));
    }

    // returns height of node v
    double getHeight(node v) const {
        return (m_pGC->isDummy(v) ? 0.0 : m_pAG->height(m_pGC->original(v)));
    }

    // returns reference to x-coord. of node v
    const double &x(node v) const {
        return m_x[v];
    }

    // returns reference to x-coord. of node v
    double &x(node v) {
        return m_x[v];
    }

    // returns reference to y-coord. of node v
    const double &y(node v) const {
        return m_y[v];
    }

    // returns reference to y-coord. of node v
    double &y(node v) {
        return m_y[v];
    }

    // sets attributes for the original graph in AG
    void transform();
};


} // end namespace ogdf


#endif