manual.cpp

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#include <ogdf/basic/GraphAttributes.h>
#include <ogdf/fileformats/GraphIO.h>
 
using namespace ogdf;
 
int main()
{
    Graph G;
    GraphAttributes GA(G,
      GraphAttributes::nodeGraphics | GraphAttributes::edgeGraphics);
 
    const int LEN = 11;
    for(int i = 1; i < LEN; ++i) {
        node left = G.newNode();
        GA.x(left) = -5*(i+1);
        GA.y(left) = -20*i;
        GA.width(left) = 10*(i+1);
        GA.height(left) = 15;
 
        node bottom = G.newNode();
        GA.x(bottom) = 20*(LEN-i);
        GA.y(bottom) = 5*(LEN+1-i);
        GA.width(bottom) = 15;
        GA.height(bottom) = 10*(LEN+1-i);
 
        edge e = G.newEdge(left,bottom);
        DPolyline &p = GA.bends(e);
        p.pushBack(DPoint(10,-20*i));
        p.pushBack(DPoint(20*(LEN-i),-10));
    }
 
    GraphIO::write(GA, "output-manual.gml", GraphIO::writeGML);
    GraphIO::write(GA, "output-manual.svg", GraphIO::drawSVG);
 
    return 0;
}