/* -*- C++ -*-

  * src/lemon/demo/graph_to_eps.cc - 

  * Part of LEMON, a generic C++ optimization library

  *

  * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * (Egervary Combinatorial Optimization Research Group, EGRES).

  *

  * Permission to use, modify and distribute this software is granted

  * provided that this copyright notice appears in all copies. For

  * precise terms see the accompanying LICENSE file.

  *

  * This software is provided "AS IS" with no warranty of any kind,

  * express or implied, and with no claim as to its suitability for any

  * purpose.

  *

  */

 #include<lemon/graph_to_eps.h>

 #include<lemon/maps.h>

 #include<lemon/list_graph.h>

 using namespace std;

 using namespace lemon;

 class ColorSet : public MapBase<int,Color>

 {

 public:

   Color operator[](int i) const

   {

     switch(i%8){

     case 0: return Color(0,0,0);

     case 1: return Color(1,0,0);

     case 2: return Color(0,1,0);

     case 3: return Color(0,0,1);

     case 4: return Color(1,1,0);

     case 5: return Color(1,0,1);

     case 6: return Color(0,1,1);

     case 7: return Color(1,1,1);

     }

     return Color(0,0,0);

   }

 } colorSet;

 class IdMap :public MapBase<ListGraph::Node,int>

 {

   const ListGraph &g;

 public:

   IdMap(const ListGraph &_g) :g(_g) {}

   Value operator[](Key n) const { return g.id(n); }

 };

 int main()

 {

   ListGraph g;

   typedef ListGraph::Node Node;

   typedef ListGraph::NodeIt NodeIt;

   typedef ListGraph::Edge Edge;

   typedef xy<int> Xy;

   Node n1=g.addNode();

   Node n2=g.addNode();

   Node n3=g.addNode();

   Node n4=g.addNode();

   Node n5=g.addNode();

   ListGraph::NodeMap<Xy> coords(g);

   ListGraph::NodeMap<double> sizes(g);

   ListGraph::NodeMap<int> colors(g);

   ListGraph::NodeMap<int> shapes(g);

   ListGraph::EdgeMap<int> ecolors(g);

   ListGraph::EdgeMap<int> widths(g);

   coords[n1]=Xy(50,50);  sizes[n1]=1; colors[n1]=1; shapes[n1]=0;

   coords[n2]=Xy(50,70);  sizes[n2]=2; colors[n2]=2; shapes[n2]=2;

   coords[n3]=Xy(70,70);  sizes[n3]=1; colors[n3]=3; shapes[n3]=0;

   coords[n4]=Xy(70,50);  sizes[n4]=2; colors[n4]=4; shapes[n4]=1;

   coords[n5]=Xy(85,60);  sizes[n5]=3; colors[n5]=5; shapes[n5]=2;

   Edge e;

   e=g.addEdge(n1,n2); ecolors[e]=0; widths[e]=1;

   e=g.addEdge(n2,n3); ecolors[e]=0; widths[e]=1;

   e=g.addEdge(n3,n5); ecolors[e]=0; widths[e]=3;

   e=g.addEdge(n5,n4); ecolors[e]=0; widths[e]=1;

   e=g.addEdge(n4,n1); ecolors[e]=0; widths[e]=1;

   e=g.addEdge(n2,n4); ecolors[e]=1; widths[e]=2;

   e=g.addEdge(n3,n4); ecolors[e]=2; widths[e]=1;

   IdMap id(g);

   graphToEps(g,"graph_to_eps_demo_out.eps").scale(10).coords(coords).

     title("Sample .eps figure").

     copyright("(C) 2004 LEMON Project").

     nodeScale(2).nodeSizes(sizes).

     nodeShapes(shapes).

     nodeColors(composeMap(colorSet,colors)).

     edgeColors(composeMap(colorSet,ecolors)).

     edgeWidthScale(.4).edgeWidths(widths).

     nodeTexts(id).nodeTextSize(3).

     run();

   graphToEps(g,"graph_to_eps_demo_out_arr.eps").scale(10).

     title("Sample .eps figure (with arrowheads)").

     copyright("(C) 2004 LEMON Project").

     nodeColors(composeMap(colorSet,colors)).

     coords(coords).

     nodeScale(2).nodeSizes(sizes).

     nodeShapes(shapes).

     edgeColors(composeMap(colorSet,ecolors)).

     edgeWidthScale(.4).edgeWidths(widths).

     nodeTexts(id).nodeTextSize(3).

     drawArrows().arrowWidth(1).arrowLength(1).

     run();

   e=g.addEdge(n1,n4); ecolors[e]=2; widths[e]=1;

   e=g.addEdge(n4,n1); ecolors[e]=1; widths[e]=2;

   e=g.addEdge(n1,n2); ecolors[e]=1; widths[e]=1;

   e=g.addEdge(n1,n2); ecolors[e]=2; widths[e]=1;

   e=g.addEdge(n1,n2); ecolors[e]=3; widths[e]=1;

   e=g.addEdge(n1,n2); ecolors[e]=4; widths[e]=1;

   e=g.addEdge(n1,n2); ecolors[e]=5; widths[e]=1;

   e=g.addEdge(n1,n2); ecolors[e]=6; widths[e]=1;

   e=g.addEdge(n1,n2); ecolors[e]=7; widths[e]=1;

   graphToEps(g,"graph_to_eps_demo_out_par.eps").scale(10).

     title("Sample .eps figure (parallel edges)").

     copyright("(C) 2004 LEMON Project").

     nodeShapes(shapes).

     coords(coords).

     nodeScale(2).nodeSizes(sizes).

     nodeColors(composeMap(colorSet,colors)).

     edgeColors(composeMap(colorSet,ecolors)).

     edgeWidthScale(.4).edgeWidths(widths).

     nodeTexts(id).nodeTextSize(3).

     enableParallel().parEdgeDist(1.5).

     run();

   graphToEps(g,"graph_to_eps_demo_out_par_arr.eps").scale(10).

     title("Sample .eps figure (parallel edges and arrowheads)").

     copyright("(C) 2004 LEMON Project").

     nodeScale(2).nodeSizes(sizes).

     coords(coords).

     nodeShapes(shapes).

     nodeColors(composeMap(colorSet,colors)).

     edgeColors(composeMap(colorSet,ecolors)).

     edgeWidthScale(.3).edgeWidths(widths).

     nodeTexts(id).nodeTextSize(3).

     enableParallel().parEdgeDist(1).

     drawArrows().arrowWidth(1).arrowLength(1).

     run();

   graphToEps(g,"graph_to_eps_demo_out_a4.eps").scaleToA4().

     title("Sample .eps figure (fits to A4)").

     copyright("(C) 2004 LEMON Project").

     nodeScale(2).nodeSizes(sizes).

     coords(coords).

     nodeShapes(shapes).

     nodeColors(composeMap(colorSet,colors)).

     edgeColors(composeMap(colorSet,ecolors)).

     edgeWidthScale(.3).edgeWidths(widths).

     nodeTexts(id).nodeTextSize(3).

     enableParallel().parEdgeDist(1).

     drawArrows().arrowWidth(1).arrowLength(1).

     run();

 }