1.1 --- a/src/work/alpar/graph_to_eps.cc Wed Jan 05 16:59:50 2005 +0000
1.2 +++ b/src/work/alpar/graph_to_eps.cc Thu Jan 06 08:39:50 2005 +0000
1.3 @@ -1,4 +1,6 @@
1.4 #include <iostream>
1.5 +#include <fstream>
1.6 +#include <algorithm>
1.7 #include<math.h>
1.8
1.9 #include<lemon/xy.h>
1.10 @@ -72,20 +74,28 @@
1.11 bool _drawArrows;
1.12 double _arrowLength, _arrowWidth;
1.13
1.14 + bool _enableParallel;
1.15 +
1.16 + bool _pleaseRemoveOsStream;
1.17 ///Constructor
1.18
1.19 ///Constructor
1.20 ///\param _g is a reference to the graph to be printed
1.21 ///\param _os is a reference to the output stream.
1.22 + ///\param _os is a reference to the output stream.
1.23 + ///\param _pros If it is \c true, then the \c ostream referenced by \c _os
1.24 + ///will be explicitly deallocated by the destructor.
1.25 ///By default it is <tt>std::cout</tt>
1.26 - DefaultGraphToEpsTraits(const G &_g,std::ostream& _os=std::cout) :
1.27 + DefaultGraphToEpsTraits(const G &_g,std::ostream& _os=std::cout,
1.28 + bool _pros=false) :
1.29 g(_g), os(_os),
1.30 _coords(xy<double>(1,1)), _nodeSizes(1.0),
1.31 _nodeColors(Color(1,1,1)), _edgeColors(Color(0,0,0)),
1.32 _edgeWidths(1), _edgeWidthScale(0.3),
1.33 _nodeScale(1.0), _xBorder(10), _yBorder(10), _scale(1.0),
1.34 _nodeBorderQuotient(.1),
1.35 - _drawArrows(false), _arrowLength(1), _arrowWidth(0.3) {}
1.36 + _drawArrows(false), _arrowLength(1), _arrowWidth(0.3),
1.37 + _enableParallel(false), _pleaseRemoveOsStream(_pros) {}
1.38 };
1.39
1.40 ///Helper class to implement the named parameters of \ref graphToEps()
1.41 @@ -105,6 +115,22 @@
1.42
1.43 bool dontPrint;
1.44
1.45 + class edgeLess {
1.46 + const Graph &g;
1.47 + public:
1.48 + edgeLess(const Graph &_g) : g(_g) {}
1.49 + bool operator()(Edge a,Edge b) const
1.50 + {
1.51 + Node ai=min(g.source(a),g.target(a));
1.52 + Node aa=max(g.source(a),g.target(a));
1.53 + Node bi=min(g.source(b),g.target(b));
1.54 + Node ba=max(g.source(b),g.target(b));
1.55 + return ai<bi ||
1.56 + (ai==bi && (aa < ba ||
1.57 + (aa==ba && ai==g.source(a) && bi==g.target(b))));
1.58 + }
1.59 + };
1.60 +
1.61 public:
1.62 GraphToEps(const T &t) : T(t), dontPrint(false) {};
1.63
1.64 @@ -218,6 +244,12 @@
1.65 ///
1.66 GraphToEps<T> &arrowWidth(double d) {_arrowWidth*=d;return *this;}
1.67
1.68 + ///Enables parallel edges
1.69 +
1.70 + ///Enables parallel edges
1.71 + ///\todo Unimplemented
1.72 + GraphToEps<T> &enableParallel(bool b=true) {_enableParallel=b;return *this;}
1.73 +
1.74 ~GraphToEps()
1.75 {
1.76 if(dontPrint) return;
1.77 @@ -265,7 +297,15 @@
1.78 << " closepath fill } bind def\n";
1.79 os << "\ngsave\n";
1.80 if(_scale!=1.0) os << _scale << " dup scale\n";
1.81 +
1.82 os << "%Edges:\ngsave\n";
1.83 +
1.84 + vector<Edge> el;
1.85 + if(_enableParallel) {
1.86 + for(EdgeIt e(g);e!=INVALID;++e) el.push_back(e);
1.87 + sort(el.begin(),el.end(),edgeLess(g));
1.88 + }
1.89 +
1.90 for(NodeIt n(g);n!=INVALID;++n)
1.91 for(OutEdgeIt e(g,n);e!=INVALID;++e)
1.92 if(_drawArrows) {
1.93 @@ -299,6 +339,10 @@
1.94 << _nodeColors[n].getG() << ' '
1.95 << _nodeColors[n].getB() << " n\n";
1.96 os << "grestore\ngrestore\n";
1.97 +
1.98 +
1.99 + //CleanUp:
1.100 + if(_pleaseRemoveOsStream) {delete &os;}
1.101 }
1.102 };
1.103
1.104 @@ -321,11 +365,40 @@
1.105 ///\endcode
1.106 ///\sa GraphToEps
1.107 template<class G>
1.108 -GraphToEps<DefaultGraphToEpsTraits<G> > graphToEps(G &g,std::ostream& os=std::cout)
1.109 +GraphToEps<DefaultGraphToEpsTraits<G> >
1.110 +graphToEps(G &g,std::ostream& os=std::cout)
1.111 {
1.112 - return GraphToEps<DefaultGraphToEpsTraits<G> >(DefaultGraphToEpsTraits<G>(g));
1.113 + return
1.114 + GraphToEps<DefaultGraphToEpsTraits<G> >(DefaultGraphToEpsTraits<G>(g,os));
1.115 }
1.116
1.117 +///Generates an EPS file from a graph
1.118 +
1.119 +///\ingroup misc
1.120 +///Generates an EPS file from a graph.
1.121 +///\param g is a reference to the graph to be printed
1.122 +///\param file_name is the output file_name.
1.123 +///
1.124 +///This function also has a lot of \ref named-templ-param "named parameters",
1.125 +///they are declared as the members of class \ref GraphToEps. The following
1.126 +///example shows how to use these parameters.
1.127 +///\code
1.128 +/// graphToEps(g).scale(10).coords(coords)
1.129 +/// .nodeScale(2).nodeSizes(sizes)
1.130 +/// .edgeWidthScale(.4);
1.131 +///\endcode
1.132 +///\sa GraphToEps
1.133 +///\todo Avoid duplicated documentation
1.134 +///\bug Exception handling is missing? (Or we can just ignore it?)
1.135 +template<class G>
1.136 +GraphToEps<DefaultGraphToEpsTraits<G> >
1.137 +graphToEps(G &g,char *file_name)
1.138 +{
1.139 + return GraphToEps<DefaultGraphToEpsTraits<G> >
1.140 + (DefaultGraphToEpsTraits<G>(g,*new ofstream(file_name),true));
1.141 +}
1.142 +
1.143 +
1.144 }
1.145
1.146 using namespace lemon;
1.147 @@ -385,7 +458,12 @@
1.148 e=g.addEdge(n2,n4); ecolors[e]=1; widths[e]=2;
1.149 e=g.addEdge(n3,n4); ecolors[e]=2; widths[e]=1;
1.150
1.151 - graphToEps(g).scale(10).coords(coords).
1.152 + graphToEps(g,"proba.eps").scale(10).coords(coords).
1.153 + nodeScale(2).nodeSizes(sizes).
1.154 + nodeColors(composeMap(colorSet,colors)).
1.155 + edgeColors(composeMap(colorSet,ecolors)).
1.156 + edgeWidthScale(.4).edgeWidths(widths);
1.157 + graphToEps(g,"proba_arr.eps").scale(10).coords(coords).
1.158 nodeScale(2).nodeSizes(sizes).
1.159 nodeColors(composeMap(colorSet,colors)).
1.160 edgeColors(composeMap(colorSet,ecolors)).