[209] | 1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
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[128] | 2 | * |
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[209] | 3 | * This file is a part of LEMON, a generic C++ optimization library. |
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[128] | 4 | * |
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| 5 | * Copyright (C) 2003-2008 |
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| 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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| 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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| 8 | * |
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| 9 | * Permission to use, modify and distribute this software is granted |
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| 10 | * provided that this copyright notice appears in all copies. For |
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| 11 | * precise terms see the accompanying LICENSE file. |
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| 12 | * |
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| 13 | * This software is provided "AS IS" with no warranty of any kind, |
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| 14 | * express or implied, and with no claim as to its suitability for any |
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| 15 | * purpose. |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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| 19 | #ifndef LEMON_GRAPH_TO_EPS_H |
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| 20 | #define LEMON_GRAPH_TO_EPS_H |
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| 21 | |
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| 22 | #include<iostream> |
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| 23 | #include<fstream> |
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| 24 | #include<sstream> |
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| 25 | #include<algorithm> |
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| 26 | #include<vector> |
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| 27 | |
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[134] | 28 | #ifndef WIN32 |
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| 29 | #include<sys/time.h> |
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[128] | 30 | #include<ctime> |
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[134] | 31 | #else |
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[511] | 32 | #include<lemon/bits/windows.h> |
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[134] | 33 | #endif |
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[128] | 34 | |
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| 35 | #include<lemon/math.h> |
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[220] | 36 | #include<lemon/core.h> |
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[128] | 37 | #include<lemon/dim2.h> |
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| 38 | #include<lemon/maps.h> |
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| 39 | #include<lemon/color.h> |
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| 40 | #include<lemon/bits/bezier.h> |
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[290] | 41 | #include<lemon/error.h> |
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[128] | 42 | |
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| 43 | |
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| 44 | ///\ingroup eps_io |
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| 45 | ///\file |
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[133] | 46 | ///\brief A well configurable tool for visualizing graphs |
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[128] | 47 | |
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| 48 | namespace lemon { |
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| 49 | |
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[131] | 50 | namespace _graph_to_eps_bits { |
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| 51 | template<class MT> |
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| 52 | class _NegY { |
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| 53 | public: |
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| 54 | typedef typename MT::Key Key; |
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| 55 | typedef typename MT::Value Value; |
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| 56 | const MT ↦ |
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| 57 | int yscale; |
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| 58 | _NegY(const MT &m,bool b) : map(m), yscale(1-b*2) {} |
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| 59 | Value operator[](Key n) { return Value(map[n].x,map[n].y*yscale);} |
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| 60 | }; |
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| 61 | } |
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[209] | 62 | |
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[313] | 63 | ///Default traits class of GraphToEps |
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[128] | 64 | |
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[206] | 65 | ///Default traits class of \ref GraphToEps. |
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[128] | 66 | /// |
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| 67 | ///\c G is the type of the underlying graph. |
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| 68 | template<class G> |
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| 69 | struct DefaultGraphToEpsTraits |
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| 70 | { |
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| 71 | typedef G Graph; |
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| 72 | typedef typename Graph::Node Node; |
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| 73 | typedef typename Graph::NodeIt NodeIt; |
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| 74 | typedef typename Graph::Arc Arc; |
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| 75 | typedef typename Graph::ArcIt ArcIt; |
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| 76 | typedef typename Graph::InArcIt InArcIt; |
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| 77 | typedef typename Graph::OutArcIt OutArcIt; |
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[209] | 78 | |
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[128] | 79 | |
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| 80 | const Graph &g; |
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| 81 | |
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| 82 | std::ostream& os; |
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[209] | 83 | |
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[128] | 84 | typedef ConstMap<typename Graph::Node,dim2::Point<double> > CoordsMapType; |
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| 85 | CoordsMapType _coords; |
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| 86 | ConstMap<typename Graph::Node,double > _nodeSizes; |
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| 87 | ConstMap<typename Graph::Node,int > _nodeShapes; |
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| 88 | |
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| 89 | ConstMap<typename Graph::Node,Color > _nodeColors; |
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| 90 | ConstMap<typename Graph::Arc,Color > _arcColors; |
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| 91 | |
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| 92 | ConstMap<typename Graph::Arc,double > _arcWidths; |
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| 93 | |
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| 94 | double _arcWidthScale; |
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[209] | 95 | |
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[128] | 96 | double _nodeScale; |
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| 97 | double _xBorder, _yBorder; |
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| 98 | double _scale; |
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| 99 | double _nodeBorderQuotient; |
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[209] | 100 | |
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[128] | 101 | bool _drawArrows; |
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| 102 | double _arrowLength, _arrowWidth; |
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[209] | 103 | |
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[128] | 104 | bool _showNodes, _showArcs; |
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| 105 | |
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| 106 | bool _enableParallel; |
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| 107 | double _parArcDist; |
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| 108 | |
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| 109 | bool _showNodeText; |
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[209] | 110 | ConstMap<typename Graph::Node,bool > _nodeTexts; |
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[128] | 111 | double _nodeTextSize; |
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| 112 | |
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| 113 | bool _showNodePsText; |
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[209] | 114 | ConstMap<typename Graph::Node,bool > _nodePsTexts; |
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[128] | 115 | char *_nodePsTextsPreamble; |
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[209] | 116 | |
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[128] | 117 | bool _undirected; |
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| 118 | |
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| 119 | bool _pleaseRemoveOsStream; |
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| 120 | |
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| 121 | bool _scaleToA4; |
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| 122 | |
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| 123 | std::string _title; |
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| 124 | std::string _copyright; |
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| 125 | |
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[209] | 126 | enum NodeTextColorType |
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[128] | 127 | { DIST_COL=0, DIST_BW=1, CUST_COL=2, SAME_COL=3 } _nodeTextColorType; |
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| 128 | ConstMap<typename Graph::Node,Color > _nodeTextColors; |
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| 129 | |
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| 130 | bool _autoNodeScale; |
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| 131 | bool _autoArcWidthScale; |
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| 132 | |
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| 133 | bool _absoluteNodeSizes; |
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| 134 | bool _absoluteArcWidths; |
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| 135 | |
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| 136 | bool _negY; |
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| 137 | |
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| 138 | bool _preScale; |
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| 139 | ///Constructor |
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| 140 | |
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| 141 | ///Constructor |
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[206] | 142 | ///\param _g Reference to the graph to be printed. |
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| 143 | ///\param _os Reference to the output stream. |
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[210] | 144 | ///\param _os Reference to the output stream. |
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| 145 | ///By default it is <tt>std::cout</tt>. |
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[128] | 146 | ///\param _pros If it is \c true, then the \c ostream referenced by \c _os |
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| 147 | ///will be explicitly deallocated by the destructor. |
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| 148 | DefaultGraphToEpsTraits(const G &_g,std::ostream& _os=std::cout, |
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[209] | 149 | bool _pros=false) : |
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[128] | 150 | g(_g), os(_os), |
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[132] | 151 | _coords(dim2::Point<double>(1,1)), _nodeSizes(1), _nodeShapes(0), |
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[128] | 152 | _nodeColors(WHITE), _arcColors(BLACK), |
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| 153 | _arcWidths(1.0), _arcWidthScale(0.003), |
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[132] | 154 | _nodeScale(.01), _xBorder(10), _yBorder(10), _scale(1.0), |
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[128] | 155 | _nodeBorderQuotient(.1), |
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| 156 | _drawArrows(false), _arrowLength(1), _arrowWidth(0.3), |
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| 157 | _showNodes(true), _showArcs(true), |
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| 158 | _enableParallel(false), _parArcDist(1), |
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| 159 | _showNodeText(false), _nodeTexts(false), _nodeTextSize(1), |
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| 160 | _showNodePsText(false), _nodePsTexts(false), _nodePsTextsPreamble(0), |
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[131] | 161 | _undirected(lemon::UndirectedTagIndicator<G>::value), |
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[128] | 162 | _pleaseRemoveOsStream(_pros), _scaleToA4(false), |
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| 163 | _nodeTextColorType(SAME_COL), _nodeTextColors(BLACK), |
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| 164 | _autoNodeScale(false), |
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| 165 | _autoArcWidthScale(false), |
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| 166 | _absoluteNodeSizes(false), |
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| 167 | _absoluteArcWidths(false), |
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| 168 | _negY(false), |
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| 169 | _preScale(true) |
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| 170 | {} |
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| 171 | }; |
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| 172 | |
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[133] | 173 | ///Auxiliary class to implement the named parameters of \ref graphToEps() |
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[128] | 174 | |
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[206] | 175 | ///Auxiliary class to implement the named parameters of \ref graphToEps(). |
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| 176 | /// |
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| 177 | ///For detailed examples see the \ref graph_to_eps_demo.cc demo file. |
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[209] | 178 | template<class T> class GraphToEps : public T |
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[128] | 179 | { |
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| 180 | // Can't believe it is required by the C++ standard |
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| 181 | using T::g; |
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| 182 | using T::os; |
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| 183 | |
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| 184 | using T::_coords; |
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| 185 | using T::_nodeSizes; |
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| 186 | using T::_nodeShapes; |
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| 187 | using T::_nodeColors; |
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| 188 | using T::_arcColors; |
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| 189 | using T::_arcWidths; |
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| 190 | |
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| 191 | using T::_arcWidthScale; |
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| 192 | using T::_nodeScale; |
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| 193 | using T::_xBorder; |
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| 194 | using T::_yBorder; |
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| 195 | using T::_scale; |
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| 196 | using T::_nodeBorderQuotient; |
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[209] | 197 | |
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[128] | 198 | using T::_drawArrows; |
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| 199 | using T::_arrowLength; |
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| 200 | using T::_arrowWidth; |
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[209] | 201 | |
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[128] | 202 | using T::_showNodes; |
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| 203 | using T::_showArcs; |
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| 204 | |
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| 205 | using T::_enableParallel; |
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| 206 | using T::_parArcDist; |
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| 207 | |
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| 208 | using T::_showNodeText; |
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[209] | 209 | using T::_nodeTexts; |
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[128] | 210 | using T::_nodeTextSize; |
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| 211 | |
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| 212 | using T::_showNodePsText; |
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[209] | 213 | using T::_nodePsTexts; |
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[128] | 214 | using T::_nodePsTextsPreamble; |
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[209] | 215 | |
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[128] | 216 | using T::_undirected; |
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| 217 | |
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| 218 | using T::_pleaseRemoveOsStream; |
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| 219 | |
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| 220 | using T::_scaleToA4; |
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| 221 | |
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| 222 | using T::_title; |
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| 223 | using T::_copyright; |
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| 224 | |
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| 225 | using T::NodeTextColorType; |
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| 226 | using T::CUST_COL; |
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| 227 | using T::DIST_COL; |
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| 228 | using T::DIST_BW; |
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| 229 | using T::_nodeTextColorType; |
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| 230 | using T::_nodeTextColors; |
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| 231 | |
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| 232 | using T::_autoNodeScale; |
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| 233 | using T::_autoArcWidthScale; |
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| 234 | |
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| 235 | using T::_absoluteNodeSizes; |
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| 236 | using T::_absoluteArcWidths; |
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| 237 | |
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| 238 | |
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| 239 | using T::_negY; |
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| 240 | using T::_preScale; |
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| 241 | |
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| 242 | // dradnats ++C eht yb deriuqer si ti eveileb t'naC |
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| 243 | |
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| 244 | typedef typename T::Graph Graph; |
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| 245 | typedef typename Graph::Node Node; |
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| 246 | typedef typename Graph::NodeIt NodeIt; |
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| 247 | typedef typename Graph::Arc Arc; |
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| 248 | typedef typename Graph::ArcIt ArcIt; |
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| 249 | typedef typename Graph::InArcIt InArcIt; |
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| 250 | typedef typename Graph::OutArcIt OutArcIt; |
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| 251 | |
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| 252 | static const int INTERPOL_PREC; |
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| 253 | static const double A4HEIGHT; |
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| 254 | static const double A4WIDTH; |
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| 255 | static const double A4BORDER; |
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| 256 | |
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| 257 | bool dontPrint; |
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| 258 | |
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| 259 | public: |
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| 260 | ///Node shapes |
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| 261 | |
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[206] | 262 | ///Node shapes. |
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[128] | 263 | /// |
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[209] | 264 | enum NodeShapes { |
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[128] | 265 | /// = 0 |
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| 266 | ///\image html nodeshape_0.png |
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| 267 | ///\image latex nodeshape_0.eps "CIRCLE shape (0)" width=2cm |
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[209] | 268 | CIRCLE=0, |
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[128] | 269 | /// = 1 |
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| 270 | ///\image html nodeshape_1.png |
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| 271 | ///\image latex nodeshape_1.eps "SQUARE shape (1)" width=2cm |
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| 272 | /// |
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[209] | 273 | SQUARE=1, |
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[128] | 274 | /// = 2 |
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| 275 | ///\image html nodeshape_2.png |
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| 276 | ///\image latex nodeshape_2.eps "DIAMOND shape (2)" width=2cm |
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| 277 | /// |
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| 278 | DIAMOND=2, |
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| 279 | /// = 3 |
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| 280 | ///\image html nodeshape_3.png |
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| 281 | ///\image latex nodeshape_2.eps "MALE shape (4)" width=2cm |
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| 282 | /// |
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| 283 | MALE=3, |
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| 284 | /// = 4 |
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| 285 | ///\image html nodeshape_4.png |
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| 286 | ///\image latex nodeshape_2.eps "FEMALE shape (4)" width=2cm |
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| 287 | /// |
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| 288 | FEMALE=4 |
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| 289 | }; |
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| 290 | |
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| 291 | private: |
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| 292 | class arcLess { |
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| 293 | const Graph &g; |
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| 294 | public: |
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| 295 | arcLess(const Graph &_g) : g(_g) {} |
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[209] | 296 | bool operator()(Arc a,Arc b) const |
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[128] | 297 | { |
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| 298 | Node ai=std::min(g.source(a),g.target(a)); |
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| 299 | Node aa=std::max(g.source(a),g.target(a)); |
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| 300 | Node bi=std::min(g.source(b),g.target(b)); |
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| 301 | Node ba=std::max(g.source(b),g.target(b)); |
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| 302 | return ai<bi || |
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[209] | 303 | (ai==bi && (aa < ba || |
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| 304 | (aa==ba && ai==g.source(a) && bi==g.target(b)))); |
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[128] | 305 | } |
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| 306 | }; |
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| 307 | bool isParallel(Arc e,Arc f) const |
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| 308 | { |
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| 309 | return (g.source(e)==g.source(f)&& |
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[209] | 310 | g.target(e)==g.target(f)) || |
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[128] | 311 | (g.source(e)==g.target(f)&& |
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| 312 | g.target(e)==g.source(f)); |
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| 313 | } |
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| 314 | template<class TT> |
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[209] | 315 | static std::string psOut(const dim2::Point<TT> &p) |
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[128] | 316 | { |
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[209] | 317 | std::ostringstream os; |
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[128] | 318 | os << p.x << ' ' << p.y; |
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| 319 | return os.str(); |
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| 320 | } |
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[209] | 321 | static std::string psOut(const Color &c) |
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[128] | 322 | { |
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[209] | 323 | std::ostringstream os; |
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[128] | 324 | os << c.red() << ' ' << c.green() << ' ' << c.blue(); |
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| 325 | return os.str(); |
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| 326 | } |
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[209] | 327 | |
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[128] | 328 | public: |
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| 329 | GraphToEps(const T &t) : T(t), dontPrint(false) {}; |
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[209] | 330 | |
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[128] | 331 | template<class X> struct CoordsTraits : public T { |
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| 332 | typedef X CoordsMapType; |
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| 333 | const X &_coords; |
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| 334 | CoordsTraits(const T &t,const X &x) : T(t), _coords(x) {} |
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| 335 | }; |
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| 336 | ///Sets the map of the node coordinates |
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| 337 | |
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| 338 | ///Sets the map of the node coordinates. |
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[206] | 339 | ///\param x must be a node map with \ref dim2::Point "dim2::Point<double>" or |
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[209] | 340 | ///\ref dim2::Point "dim2::Point<int>" values. |
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[128] | 341 | template<class X> GraphToEps<CoordsTraits<X> > coords(const X &x) { |
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| 342 | dontPrint=true; |
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| 343 | return GraphToEps<CoordsTraits<X> >(CoordsTraits<X>(*this,x)); |
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| 344 | } |
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| 345 | template<class X> struct NodeSizesTraits : public T { |
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| 346 | const X &_nodeSizes; |
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| 347 | NodeSizesTraits(const T &t,const X &x) : T(t), _nodeSizes(x) {} |
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| 348 | }; |
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| 349 | ///Sets the map of the node sizes |
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| 350 | |
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[206] | 351 | ///Sets the map of the node sizes. |
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[209] | 352 | ///\param x must be a node map with \c double (or convertible) values. |
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[128] | 353 | template<class X> GraphToEps<NodeSizesTraits<X> > nodeSizes(const X &x) |
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| 354 | { |
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| 355 | dontPrint=true; |
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| 356 | return GraphToEps<NodeSizesTraits<X> >(NodeSizesTraits<X>(*this,x)); |
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| 357 | } |
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| 358 | template<class X> struct NodeShapesTraits : public T { |
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| 359 | const X &_nodeShapes; |
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| 360 | NodeShapesTraits(const T &t,const X &x) : T(t), _nodeShapes(x) {} |
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| 361 | }; |
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| 362 | ///Sets the map of the node shapes |
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| 363 | |
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| 364 | ///Sets the map of the node shapes. |
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[133] | 365 | ///The available shape values |
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[128] | 366 | ///can be found in \ref NodeShapes "enum NodeShapes". |
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[209] | 367 | ///\param x must be a node map with \c int (or convertible) values. |
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[128] | 368 | ///\sa NodeShapes |
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| 369 | template<class X> GraphToEps<NodeShapesTraits<X> > nodeShapes(const X &x) |
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| 370 | { |
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| 371 | dontPrint=true; |
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| 372 | return GraphToEps<NodeShapesTraits<X> >(NodeShapesTraits<X>(*this,x)); |
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| 373 | } |
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| 374 | template<class X> struct NodeTextsTraits : public T { |
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| 375 | const X &_nodeTexts; |
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| 376 | NodeTextsTraits(const T &t,const X &x) : T(t), _nodeTexts(x) {} |
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| 377 | }; |
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| 378 | ///Sets the text printed on the nodes |
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| 379 | |
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[206] | 380 | ///Sets the text printed on the nodes. |
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[128] | 381 | ///\param x must be a node map with type that can be pushed to a standard |
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[209] | 382 | ///\c ostream. |
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[128] | 383 | template<class X> GraphToEps<NodeTextsTraits<X> > nodeTexts(const X &x) |
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| 384 | { |
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| 385 | dontPrint=true; |
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| 386 | _showNodeText=true; |
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| 387 | return GraphToEps<NodeTextsTraits<X> >(NodeTextsTraits<X>(*this,x)); |
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| 388 | } |
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| 389 | template<class X> struct NodePsTextsTraits : public T { |
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| 390 | const X &_nodePsTexts; |
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| 391 | NodePsTextsTraits(const T &t,const X &x) : T(t), _nodePsTexts(x) {} |
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| 392 | }; |
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| 393 | ///Inserts a PostScript block to the nodes |
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| 394 | |
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| 395 | ///With this command it is possible to insert a verbatim PostScript |
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| 396 | ///block to the nodes. |
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[206] | 397 | ///The PS current point will be moved to the center of the node before |
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[128] | 398 | ///the PostScript block inserted. |
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| 399 | /// |
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| 400 | ///Before and after the block a newline character is inserted so you |
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| 401 | ///don't have to bother with the separators. |
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| 402 | /// |
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| 403 | ///\param x must be a node map with type that can be pushed to a standard |
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[206] | 404 | ///\c ostream. |
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[128] | 405 | /// |
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| 406 | ///\sa nodePsTextsPreamble() |
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| 407 | template<class X> GraphToEps<NodePsTextsTraits<X> > nodePsTexts(const X &x) |
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| 408 | { |
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| 409 | dontPrint=true; |
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| 410 | _showNodePsText=true; |
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| 411 | return GraphToEps<NodePsTextsTraits<X> >(NodePsTextsTraits<X>(*this,x)); |
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| 412 | } |
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| 413 | template<class X> struct ArcWidthsTraits : public T { |
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| 414 | const X &_arcWidths; |
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| 415 | ArcWidthsTraits(const T &t,const X &x) : T(t), _arcWidths(x) {} |
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| 416 | }; |
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| 417 | ///Sets the map of the arc widths |
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| 418 | |
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[206] | 419 | ///Sets the map of the arc widths. |
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[209] | 420 | ///\param x must be an arc map with \c double (or convertible) values. |
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[128] | 421 | template<class X> GraphToEps<ArcWidthsTraits<X> > arcWidths(const X &x) |
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| 422 | { |
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| 423 | dontPrint=true; |
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| 424 | return GraphToEps<ArcWidthsTraits<X> >(ArcWidthsTraits<X>(*this,x)); |
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| 425 | } |
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| 426 | |
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| 427 | template<class X> struct NodeColorsTraits : public T { |
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| 428 | const X &_nodeColors; |
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| 429 | NodeColorsTraits(const T &t,const X &x) : T(t), _nodeColors(x) {} |
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| 430 | }; |
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| 431 | ///Sets the map of the node colors |
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| 432 | |
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[206] | 433 | ///Sets the map of the node colors. |
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[128] | 434 | ///\param x must be a node map with \ref Color values. |
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| 435 | /// |
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| 436 | ///\sa Palette |
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| 437 | template<class X> GraphToEps<NodeColorsTraits<X> > |
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| 438 | nodeColors(const X &x) |
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| 439 | { |
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| 440 | dontPrint=true; |
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| 441 | return GraphToEps<NodeColorsTraits<X> >(NodeColorsTraits<X>(*this,x)); |
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| 442 | } |
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| 443 | template<class X> struct NodeTextColorsTraits : public T { |
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| 444 | const X &_nodeTextColors; |
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| 445 | NodeTextColorsTraits(const T &t,const X &x) : T(t), _nodeTextColors(x) {} |
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| 446 | }; |
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| 447 | ///Sets the map of the node text colors |
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| 448 | |
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[206] | 449 | ///Sets the map of the node text colors. |
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[209] | 450 | ///\param x must be a node map with \ref Color values. |
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[128] | 451 | /// |
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| 452 | ///\sa Palette |
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| 453 | template<class X> GraphToEps<NodeTextColorsTraits<X> > |
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| 454 | nodeTextColors(const X &x) |
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| 455 | { |
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| 456 | dontPrint=true; |
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| 457 | _nodeTextColorType=CUST_COL; |
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| 458 | return GraphToEps<NodeTextColorsTraits<X> > |
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| 459 | (NodeTextColorsTraits<X>(*this,x)); |
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| 460 | } |
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| 461 | template<class X> struct ArcColorsTraits : public T { |
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| 462 | const X &_arcColors; |
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| 463 | ArcColorsTraits(const T &t,const X &x) : T(t), _arcColors(x) {} |
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| 464 | }; |
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| 465 | ///Sets the map of the arc colors |
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| 466 | |
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[206] | 467 | ///Sets the map of the arc colors. |
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[209] | 468 | ///\param x must be an arc map with \ref Color values. |
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[128] | 469 | /// |
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| 470 | ///\sa Palette |
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| 471 | template<class X> GraphToEps<ArcColorsTraits<X> > |
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| 472 | arcColors(const X &x) |
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| 473 | { |
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| 474 | dontPrint=true; |
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| 475 | return GraphToEps<ArcColorsTraits<X> >(ArcColorsTraits<X>(*this,x)); |
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| 476 | } |
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| 477 | ///Sets a global scale factor for node sizes |
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| 478 | |
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| 479 | ///Sets a global scale factor for node sizes. |
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[209] | 480 | /// |
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[128] | 481 | /// If nodeSizes() is not given, this function simply sets the node |
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| 482 | /// sizes to \c d. If nodeSizes() is given, but |
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| 483 | /// autoNodeScale() is not, then the node size given by |
---|
| 484 | /// nodeSizes() will be multiplied by the value \c d. |
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| 485 | /// If both nodeSizes() and autoNodeScale() are used, then the |
---|
| 486 | /// node sizes will be scaled in such a way that the greatest size will be |
---|
| 487 | /// equal to \c d. |
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| 488 | /// \sa nodeSizes() |
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| 489 | /// \sa autoNodeScale() |
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[132] | 490 | GraphToEps<T> &nodeScale(double d=.01) {_nodeScale=d;return *this;} |
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[206] | 491 | ///Turns on/off the automatic node size scaling. |
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[128] | 492 | |
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[206] | 493 | ///Turns on/off the automatic node size scaling. |
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[128] | 494 | /// |
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| 495 | ///\sa nodeScale() |
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| 496 | /// |
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| 497 | GraphToEps<T> &autoNodeScale(bool b=true) { |
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| 498 | _autoNodeScale=b;return *this; |
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| 499 | } |
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| 500 | |
---|
[206] | 501 | ///Turns on/off the absolutematic node size scaling. |
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[128] | 502 | |
---|
[206] | 503 | ///Turns on/off the absolutematic node size scaling. |
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[128] | 504 | /// |
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| 505 | ///\sa nodeScale() |
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| 506 | /// |
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| 507 | GraphToEps<T> &absoluteNodeSizes(bool b=true) { |
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| 508 | _absoluteNodeSizes=b;return *this; |
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| 509 | } |
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| 510 | |
---|
| 511 | ///Negates the Y coordinates. |
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| 512 | GraphToEps<T> &negateY(bool b=true) { |
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| 513 | _negY=b;return *this; |
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| 514 | } |
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| 515 | |
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[133] | 516 | ///Turn on/off pre-scaling |
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[128] | 517 | |
---|
| 518 | ///By default graphToEps() rescales the whole image in order to avoid |
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| 519 | ///very big or very small bounding boxes. |
---|
| 520 | /// |
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| 521 | ///This (p)rescaling can be turned off with this function. |
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| 522 | /// |
---|
| 523 | GraphToEps<T> &preScale(bool b=true) { |
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| 524 | _preScale=b;return *this; |
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| 525 | } |
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| 526 | |
---|
| 527 | ///Sets a global scale factor for arc widths |
---|
| 528 | |
---|
| 529 | /// Sets a global scale factor for arc widths. |
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| 530 | /// |
---|
| 531 | /// If arcWidths() is not given, this function simply sets the arc |
---|
| 532 | /// widths to \c d. If arcWidths() is given, but |
---|
| 533 | /// autoArcWidthScale() is not, then the arc withs given by |
---|
| 534 | /// arcWidths() will be multiplied by the value \c d. |
---|
| 535 | /// If both arcWidths() and autoArcWidthScale() are used, then the |
---|
| 536 | /// arc withs will be scaled in such a way that the greatest width will be |
---|
| 537 | /// equal to \c d. |
---|
[132] | 538 | GraphToEps<T> &arcWidthScale(double d=.003) {_arcWidthScale=d;return *this;} |
---|
[128] | 539 | ///Turns on/off the automatic arc width scaling. |
---|
| 540 | |
---|
| 541 | ///Turns on/off the automatic arc width scaling. |
---|
| 542 | /// |
---|
| 543 | ///\sa arcWidthScale() |
---|
| 544 | /// |
---|
| 545 | GraphToEps<T> &autoArcWidthScale(bool b=true) { |
---|
| 546 | _autoArcWidthScale=b;return *this; |
---|
| 547 | } |
---|
| 548 | ///Turns on/off the absolutematic arc width scaling. |
---|
| 549 | |
---|
| 550 | ///Turns on/off the absolutematic arc width scaling. |
---|
| 551 | /// |
---|
| 552 | ///\sa arcWidthScale() |
---|
| 553 | /// |
---|
| 554 | GraphToEps<T> &absoluteArcWidths(bool b=true) { |
---|
| 555 | _absoluteArcWidths=b;return *this; |
---|
| 556 | } |
---|
| 557 | ///Sets a global scale factor for the whole picture |
---|
| 558 | GraphToEps<T> &scale(double d) {_scale=d;return *this;} |
---|
| 559 | ///Sets the width of the border around the picture |
---|
[133] | 560 | GraphToEps<T> &border(double b=10) {_xBorder=_yBorder=b;return *this;} |
---|
[128] | 561 | ///Sets the width of the border around the picture |
---|
| 562 | GraphToEps<T> &border(double x, double y) { |
---|
| 563 | _xBorder=x;_yBorder=y;return *this; |
---|
| 564 | } |
---|
| 565 | ///Sets whether to draw arrows |
---|
| 566 | GraphToEps<T> &drawArrows(bool b=true) {_drawArrows=b;return *this;} |
---|
| 567 | ///Sets the length of the arrowheads |
---|
[133] | 568 | GraphToEps<T> &arrowLength(double d=1.0) {_arrowLength*=d;return *this;} |
---|
[128] | 569 | ///Sets the width of the arrowheads |
---|
[133] | 570 | GraphToEps<T> &arrowWidth(double d=.3) {_arrowWidth*=d;return *this;} |
---|
[209] | 571 | |
---|
[128] | 572 | ///Scales the drawing to fit to A4 page |
---|
| 573 | GraphToEps<T> &scaleToA4() {_scaleToA4=true;return *this;} |
---|
[209] | 574 | |
---|
[128] | 575 | ///Enables parallel arcs |
---|
| 576 | GraphToEps<T> &enableParallel(bool b=true) {_enableParallel=b;return *this;} |
---|
[209] | 577 | |
---|
[206] | 578 | ///Sets the distance between parallel arcs |
---|
[128] | 579 | GraphToEps<T> &parArcDist(double d) {_parArcDist*=d;return *this;} |
---|
[209] | 580 | |
---|
[128] | 581 | ///Hides the arcs |
---|
| 582 | GraphToEps<T> &hideArcs(bool b=true) {_showArcs=!b;return *this;} |
---|
| 583 | ///Hides the nodes |
---|
| 584 | GraphToEps<T> &hideNodes(bool b=true) {_showNodes=!b;return *this;} |
---|
[209] | 585 | |
---|
[128] | 586 | ///Sets the size of the node texts |
---|
| 587 | GraphToEps<T> &nodeTextSize(double d) {_nodeTextSize=d;return *this;} |
---|
| 588 | |
---|
| 589 | ///Sets the color of the node texts to be different from the node color |
---|
| 590 | |
---|
| 591 | ///Sets the color of the node texts to be as different from the node color |
---|
[206] | 592 | ///as it is possible. |
---|
[128] | 593 | GraphToEps<T> &distantColorNodeTexts() |
---|
| 594 | {_nodeTextColorType=DIST_COL;return *this;} |
---|
| 595 | ///Sets the color of the node texts to be black or white and always visible. |
---|
| 596 | |
---|
| 597 | ///Sets the color of the node texts to be black or white according to |
---|
[206] | 598 | ///which is more different from the node color. |
---|
[128] | 599 | GraphToEps<T> &distantBWNodeTexts() |
---|
| 600 | {_nodeTextColorType=DIST_BW;return *this;} |
---|
| 601 | |
---|
| 602 | ///Gives a preamble block for node Postscript block. |
---|
[209] | 603 | |
---|
[128] | 604 | ///Gives a preamble block for node Postscript block. |
---|
| 605 | /// |
---|
| 606 | ///\sa nodePsTexts() |
---|
| 607 | GraphToEps<T> & nodePsTextsPreamble(const char *str) { |
---|
| 608 | _nodePsTextsPreamble=str ;return *this; |
---|
| 609 | } |
---|
[206] | 610 | ///Sets whether the graph is undirected |
---|
[128] | 611 | |
---|
[206] | 612 | ///Sets whether the graph is undirected. |
---|
[128] | 613 | /// |
---|
[133] | 614 | ///This setting is the default for undirected graphs. |
---|
| 615 | /// |
---|
| 616 | ///\sa directed() |
---|
| 617 | GraphToEps<T> &undirected(bool b=true) {_undirected=b;return *this;} |
---|
[128] | 618 | |
---|
[206] | 619 | ///Sets whether the graph is directed |
---|
[128] | 620 | |
---|
[206] | 621 | ///Sets whether the graph is directed. |
---|
[128] | 622 | ///Use it to show the edges as a pair of directed ones. |
---|
[133] | 623 | /// |
---|
| 624 | ///This setting is the default for digraphs. |
---|
| 625 | /// |
---|
| 626 | ///\sa undirected() |
---|
[131] | 627 | GraphToEps<T> &directed(bool b=true) {_undirected=!b;return *this;} |
---|
[209] | 628 | |
---|
[128] | 629 | ///Sets the title. |
---|
| 630 | |
---|
| 631 | ///Sets the title of the generated image, |
---|
| 632 | ///namely it inserts a <tt>%%Title:</tt> DSC field to the header of |
---|
| 633 | ///the EPS file. |
---|
| 634 | GraphToEps<T> &title(const std::string &t) {_title=t;return *this;} |
---|
| 635 | ///Sets the copyright statement. |
---|
| 636 | |
---|
| 637 | ///Sets the copyright statement of the generated image, |
---|
| 638 | ///namely it inserts a <tt>%%Copyright:</tt> DSC field to the header of |
---|
| 639 | ///the EPS file. |
---|
| 640 | GraphToEps<T> ©right(const std::string &t) {_copyright=t;return *this;} |
---|
| 641 | |
---|
| 642 | protected: |
---|
[209] | 643 | bool isInsideNode(dim2::Point<double> p, double r,int t) |
---|
[128] | 644 | { |
---|
| 645 | switch(t) { |
---|
| 646 | case CIRCLE: |
---|
| 647 | case MALE: |
---|
| 648 | case FEMALE: |
---|
| 649 | return p.normSquare()<=r*r; |
---|
| 650 | case SQUARE: |
---|
| 651 | return p.x<=r&&p.x>=-r&&p.y<=r&&p.y>=-r; |
---|
| 652 | case DIAMOND: |
---|
| 653 | return p.x+p.y<=r && p.x-p.y<=r && -p.x+p.y<=r && -p.x-p.y<=r; |
---|
| 654 | } |
---|
| 655 | return false; |
---|
| 656 | } |
---|
| 657 | |
---|
| 658 | public: |
---|
| 659 | ~GraphToEps() { } |
---|
[209] | 660 | |
---|
[128] | 661 | ///Draws the graph. |
---|
| 662 | |
---|
| 663 | ///Like other functions using |
---|
| 664 | ///\ref named-templ-func-param "named template parameters", |
---|
[133] | 665 | ///this function calls the algorithm itself, i.e. in this case |
---|
[128] | 666 | ///it draws the graph. |
---|
| 667 | void run() { |
---|
| 668 | const double EPSILON=1e-9; |
---|
| 669 | if(dontPrint) return; |
---|
[209] | 670 | |
---|
[131] | 671 | _graph_to_eps_bits::_NegY<typename T::CoordsMapType> |
---|
| 672 | mycoords(_coords,_negY); |
---|
[128] | 673 | |
---|
| 674 | os << "%!PS-Adobe-2.0 EPSF-2.0\n"; |
---|
| 675 | if(_title.size()>0) os << "%%Title: " << _title << '\n'; |
---|
| 676 | if(_copyright.size()>0) os << "%%Copyright: " << _copyright << '\n'; |
---|
| 677 | os << "%%Creator: LEMON, graphToEps()\n"; |
---|
[134] | 678 | |
---|
[209] | 679 | { |
---|
[511] | 680 | os << "%%CreationDate: "; |
---|
[209] | 681 | #ifndef WIN32 |
---|
[128] | 682 | timeval tv; |
---|
| 683 | gettimeofday(&tv, 0); |
---|
[134] | 684 | |
---|
| 685 | char cbuf[26]; |
---|
[128] | 686 | ctime_r(&tv.tv_sec,cbuf); |
---|
[511] | 687 | os << cbuf; |
---|
[134] | 688 | #else |
---|
[511] | 689 | os << bits::getWinFormattedDate(); |
---|
[134] | 690 | #endif |
---|
[128] | 691 | } |
---|
[511] | 692 | os << std::endl; |
---|
[128] | 693 | |
---|
| 694 | if (_autoArcWidthScale) { |
---|
| 695 | double max_w=0; |
---|
| 696 | for(ArcIt e(g);e!=INVALID;++e) |
---|
[209] | 697 | max_w=std::max(double(_arcWidths[e]),max_w); |
---|
[128] | 698 | if(max_w>EPSILON) { |
---|
[209] | 699 | _arcWidthScale/=max_w; |
---|
[128] | 700 | } |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | if (_autoNodeScale) { |
---|
| 704 | double max_s=0; |
---|
| 705 | for(NodeIt n(g);n!=INVALID;++n) |
---|
[209] | 706 | max_s=std::max(double(_nodeSizes[n]),max_s); |
---|
[128] | 707 | if(max_s>EPSILON) { |
---|
[209] | 708 | _nodeScale/=max_s; |
---|
[128] | 709 | } |
---|
| 710 | } |
---|
| 711 | |
---|
| 712 | double diag_len = 1; |
---|
| 713 | if(!(_absoluteNodeSizes&&_absoluteArcWidths)) { |
---|
[253] | 714 | dim2::Box<double> bb; |
---|
[128] | 715 | for(NodeIt n(g);n!=INVALID;++n) bb.add(mycoords[n]); |
---|
| 716 | if (bb.empty()) { |
---|
[253] | 717 | bb = dim2::Box<double>(dim2::Point<double>(0,0)); |
---|
[128] | 718 | } |
---|
| 719 | diag_len = std::sqrt((bb.bottomLeft()-bb.topRight()).normSquare()); |
---|
| 720 | if(diag_len<EPSILON) diag_len = 1; |
---|
| 721 | if(!_absoluteNodeSizes) _nodeScale*=diag_len; |
---|
| 722 | if(!_absoluteArcWidths) _arcWidthScale*=diag_len; |
---|
| 723 | } |
---|
[209] | 724 | |
---|
[253] | 725 | dim2::Box<double> bb; |
---|
[128] | 726 | for(NodeIt n(g);n!=INVALID;++n) { |
---|
| 727 | double ns=_nodeSizes[n]*_nodeScale; |
---|
| 728 | dim2::Point<double> p(ns,ns); |
---|
| 729 | switch(_nodeShapes[n]) { |
---|
| 730 | case CIRCLE: |
---|
| 731 | case SQUARE: |
---|
| 732 | case DIAMOND: |
---|
[209] | 733 | bb.add(p+mycoords[n]); |
---|
| 734 | bb.add(-p+mycoords[n]); |
---|
| 735 | break; |
---|
[128] | 736 | case MALE: |
---|
[209] | 737 | bb.add(-p+mycoords[n]); |
---|
| 738 | bb.add(dim2::Point<double>(1.5*ns,1.5*std::sqrt(3.0)*ns)+mycoords[n]); |
---|
| 739 | break; |
---|
[128] | 740 | case FEMALE: |
---|
[209] | 741 | bb.add(p+mycoords[n]); |
---|
| 742 | bb.add(dim2::Point<double>(-ns,-3.01*ns)+mycoords[n]); |
---|
| 743 | break; |
---|
[128] | 744 | } |
---|
| 745 | } |
---|
| 746 | if (bb.empty()) { |
---|
[253] | 747 | bb = dim2::Box<double>(dim2::Point<double>(0,0)); |
---|
[128] | 748 | } |
---|
[209] | 749 | |
---|
[128] | 750 | if(_scaleToA4) |
---|
| 751 | os <<"%%BoundingBox: 0 0 596 842\n%%DocumentPaperSizes: a4\n"; |
---|
| 752 | else { |
---|
| 753 | if(_preScale) { |
---|
[209] | 754 | //Rescale so that BoundingBox won't be neither to big nor too small. |
---|
| 755 | while(bb.height()*_scale>1000||bb.width()*_scale>1000) _scale/=10; |
---|
| 756 | while(bb.height()*_scale<100||bb.width()*_scale<100) _scale*=10; |
---|
[128] | 757 | } |
---|
[209] | 758 | |
---|
[128] | 759 | os << "%%BoundingBox: " |
---|
[209] | 760 | << int(floor(bb.left() * _scale - _xBorder)) << ' ' |
---|
| 761 | << int(floor(bb.bottom() * _scale - _yBorder)) << ' ' |
---|
| 762 | << int(ceil(bb.right() * _scale + _xBorder)) << ' ' |
---|
| 763 | << int(ceil(bb.top() * _scale + _yBorder)) << '\n'; |
---|
[128] | 764 | } |
---|
[209] | 765 | |
---|
[128] | 766 | os << "%%EndComments\n"; |
---|
[209] | 767 | |
---|
[128] | 768 | //x1 y1 x2 y2 x3 y3 cr cg cb w |
---|
| 769 | os << "/lb { setlinewidth setrgbcolor newpath moveto\n" |
---|
| 770 | << " 4 2 roll 1 index 1 index curveto stroke } bind def\n"; |
---|
[210] | 771 | os << "/l { setlinewidth setrgbcolor newpath moveto lineto stroke }" |
---|
| 772 | << " bind def\n"; |
---|
[128] | 773 | //x y r |
---|
[210] | 774 | os << "/c { newpath dup 3 index add 2 index moveto 0 360 arc closepath }" |
---|
| 775 | << " bind def\n"; |
---|
[128] | 776 | //x y r |
---|
| 777 | os << "/sq { newpath 2 index 1 index add 2 index 2 index add moveto\n" |
---|
| 778 | << " 2 index 1 index sub 2 index 2 index add lineto\n" |
---|
| 779 | << " 2 index 1 index sub 2 index 2 index sub lineto\n" |
---|
| 780 | << " 2 index 1 index add 2 index 2 index sub lineto\n" |
---|
| 781 | << " closepath pop pop pop} bind def\n"; |
---|
| 782 | //x y r |
---|
| 783 | os << "/di { newpath 2 index 1 index add 2 index moveto\n" |
---|
| 784 | << " 2 index 2 index 2 index add lineto\n" |
---|
| 785 | << " 2 index 1 index sub 2 index lineto\n" |
---|
| 786 | << " 2 index 2 index 2 index sub lineto\n" |
---|
| 787 | << " closepath pop pop pop} bind def\n"; |
---|
| 788 | // x y r cr cg cb |
---|
| 789 | os << "/nc { 0 0 0 setrgbcolor 5 index 5 index 5 index c fill\n" |
---|
| 790 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
| 791 | << " } bind def\n"; |
---|
| 792 | os << "/nsq { 0 0 0 setrgbcolor 5 index 5 index 5 index sq fill\n" |
---|
| 793 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div sq fill\n" |
---|
| 794 | << " } bind def\n"; |
---|
| 795 | os << "/ndi { 0 0 0 setrgbcolor 5 index 5 index 5 index di fill\n" |
---|
| 796 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div di fill\n" |
---|
| 797 | << " } bind def\n"; |
---|
| 798 | os << "/nfemale { 0 0 0 setrgbcolor 3 index " |
---|
| 799 | << _nodeBorderQuotient/(1+_nodeBorderQuotient) |
---|
| 800 | << " 1.5 mul mul setlinewidth\n" |
---|
| 801 | << " newpath 5 index 5 index moveto " |
---|
| 802 | << "5 index 5 index 5 index 3.01 mul sub\n" |
---|
[210] | 803 | << " lineto 5 index 4 index .7 mul sub 5 index 5 index 2.2 mul sub" |
---|
| 804 | << " moveto\n" |
---|
| 805 | << " 5 index 4 index .7 mul add 5 index 5 index 2.2 mul sub lineto " |
---|
| 806 | << "stroke\n" |
---|
[128] | 807 | << " 5 index 5 index 5 index c fill\n" |
---|
| 808 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
| 809 | << " } bind def\n"; |
---|
| 810 | os << "/nmale {\n" |
---|
| 811 | << " 0 0 0 setrgbcolor 3 index " |
---|
| 812 | << _nodeBorderQuotient/(1+_nodeBorderQuotient) |
---|
| 813 | <<" 1.5 mul mul setlinewidth\n" |
---|
| 814 | << " newpath 5 index 5 index moveto\n" |
---|
| 815 | << " 5 index 4 index 1 mul 1.5 mul add\n" |
---|
| 816 | << " 5 index 5 index 3 sqrt 1.5 mul mul add\n" |
---|
| 817 | << " 1 index 1 index lineto\n" |
---|
| 818 | << " 1 index 1 index 7 index sub moveto\n" |
---|
| 819 | << " 1 index 1 index lineto\n" |
---|
[210] | 820 | << " exch 5 index 3 sqrt .5 mul mul sub exch 5 index .5 mul sub" |
---|
| 821 | << " lineto\n" |
---|
[128] | 822 | << " stroke\n" |
---|
| 823 | << " 5 index 5 index 5 index c fill\n" |
---|
| 824 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
| 825 | << " } bind def\n"; |
---|
[209] | 826 | |
---|
[128] | 827 | |
---|
| 828 | os << "/arrl " << _arrowLength << " def\n"; |
---|
| 829 | os << "/arrw " << _arrowWidth << " def\n"; |
---|
| 830 | // l dx_norm dy_norm |
---|
| 831 | os << "/lrl { 2 index mul exch 2 index mul exch rlineto pop} bind def\n"; |
---|
| 832 | //len w dx_norm dy_norm x1 y1 cr cg cb |
---|
[210] | 833 | os << "/arr { setrgbcolor /y1 exch def /x1 exch def /dy exch def /dx " |
---|
| 834 | << "exch def\n" |
---|
[128] | 835 | << " /w exch def /len exch def\n" |
---|
[210] | 836 | //<< "0.1 setlinewidth x1 y1 moveto dx len mul dy len mul rlineto stroke" |
---|
[128] | 837 | << " newpath x1 dy w 2 div mul add y1 dx w 2 div mul sub moveto\n" |
---|
| 838 | << " len w sub arrl sub dx dy lrl\n" |
---|
| 839 | << " arrw dy dx neg lrl\n" |
---|
| 840 | << " dx arrl w add mul dy w 2 div arrw add mul sub\n" |
---|
| 841 | << " dy arrl w add mul dx w 2 div arrw add mul add rlineto\n" |
---|
| 842 | << " dx arrl w add mul neg dy w 2 div arrw add mul sub\n" |
---|
| 843 | << " dy arrl w add mul neg dx w 2 div arrw add mul add rlineto\n" |
---|
| 844 | << " arrw dy dx neg lrl\n" |
---|
| 845 | << " len w sub arrl sub neg dx dy lrl\n" |
---|
| 846 | << " closepath fill } bind def\n"; |
---|
| 847 | os << "/cshow { 2 index 2 index moveto dup stringwidth pop\n" |
---|
| 848 | << " neg 2 div fosi .35 mul neg rmoveto show pop pop} def\n"; |
---|
| 849 | |
---|
| 850 | os << "\ngsave\n"; |
---|
| 851 | if(_scaleToA4) |
---|
| 852 | if(bb.height()>bb.width()) { |
---|
[209] | 853 | double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.height(), |
---|
| 854 | (A4WIDTH-2*A4BORDER)/bb.width()); |
---|
| 855 | os << ((A4WIDTH -2*A4BORDER)-sc*bb.width())/2 + A4BORDER << ' ' |
---|
| 856 | << ((A4HEIGHT-2*A4BORDER)-sc*bb.height())/2 + A4BORDER |
---|
| 857 | << " translate\n" |
---|
| 858 | << sc << " dup scale\n" |
---|
| 859 | << -bb.left() << ' ' << -bb.bottom() << " translate\n"; |
---|
[128] | 860 | } |
---|
| 861 | else { |
---|
[209] | 862 | double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.width(), |
---|
| 863 | (A4WIDTH-2*A4BORDER)/bb.height()); |
---|
| 864 | os << ((A4WIDTH -2*A4BORDER)-sc*bb.height())/2 + A4BORDER << ' ' |
---|
| 865 | << ((A4HEIGHT-2*A4BORDER)-sc*bb.width())/2 + A4BORDER |
---|
| 866 | << " translate\n" |
---|
| 867 | << sc << " dup scale\n90 rotate\n" |
---|
| 868 | << -bb.left() << ' ' << -bb.top() << " translate\n"; |
---|
| 869 | } |
---|
[128] | 870 | else if(_scale!=1.0) os << _scale << " dup scale\n"; |
---|
[209] | 871 | |
---|
[128] | 872 | if(_showArcs) { |
---|
[209] | 873 | os << "%Arcs:\ngsave\n"; |
---|
[128] | 874 | if(_enableParallel) { |
---|
[209] | 875 | std::vector<Arc> el; |
---|
| 876 | for(ArcIt e(g);e!=INVALID;++e) |
---|
| 877 | if((!_undirected||g.source(e)<g.target(e))&&_arcWidths[e]>0 |
---|
| 878 | &&g.source(e)!=g.target(e)) |
---|
| 879 | el.push_back(e); |
---|
| 880 | std::sort(el.begin(),el.end(),arcLess(g)); |
---|
[128] | 881 | |
---|
[209] | 882 | typename std::vector<Arc>::iterator j; |
---|
| 883 | for(typename std::vector<Arc>::iterator i=el.begin();i!=el.end();i=j) { |
---|
| 884 | for(j=i+1;j!=el.end()&&isParallel(*i,*j);++j) ; |
---|
[128] | 885 | |
---|
[209] | 886 | double sw=0; |
---|
| 887 | for(typename std::vector<Arc>::iterator e=i;e!=j;++e) |
---|
| 888 | sw+=_arcWidths[*e]*_arcWidthScale+_parArcDist; |
---|
| 889 | sw-=_parArcDist; |
---|
| 890 | sw/=-2.0; |
---|
| 891 | dim2::Point<double> |
---|
| 892 | dvec(mycoords[g.target(*i)]-mycoords[g.source(*i)]); |
---|
| 893 | double l=std::sqrt(dvec.normSquare()); |
---|
| 894 | dim2::Point<double> d(dvec/std::max(l,EPSILON)); |
---|
[212] | 895 | dim2::Point<double> m; |
---|
[210] | 896 | // m=dim2::Point<double>(mycoords[g.target(*i)]+ |
---|
| 897 | // mycoords[g.source(*i)])/2.0; |
---|
[128] | 898 | |
---|
[209] | 899 | // m=dim2::Point<double>(mycoords[g.source(*i)])+ |
---|
| 900 | // dvec*(double(_nodeSizes[g.source(*i)])/ |
---|
| 901 | // (_nodeSizes[g.source(*i)]+_nodeSizes[g.target(*i)])); |
---|
[128] | 902 | |
---|
[212] | 903 | m=dim2::Point<double>(mycoords[g.source(*i)])+ |
---|
[209] | 904 | d*(l+_nodeSizes[g.source(*i)]-_nodeSizes[g.target(*i)])/2.0; |
---|
| 905 | |
---|
| 906 | for(typename std::vector<Arc>::iterator e=i;e!=j;++e) { |
---|
| 907 | sw+=_arcWidths[*e]*_arcWidthScale/2.0; |
---|
| 908 | dim2::Point<double> mm=m+rot90(d)*sw/.75; |
---|
| 909 | if(_drawArrows) { |
---|
| 910 | int node_shape; |
---|
| 911 | dim2::Point<double> s=mycoords[g.source(*e)]; |
---|
| 912 | dim2::Point<double> t=mycoords[g.target(*e)]; |
---|
| 913 | double rn=_nodeSizes[g.target(*e)]*_nodeScale; |
---|
| 914 | node_shape=_nodeShapes[g.target(*e)]; |
---|
| 915 | dim2::Bezier3 bez(s,mm,mm,t); |
---|
| 916 | double t1=0,t2=1; |
---|
| 917 | for(int ii=0;ii<INTERPOL_PREC;++ii) |
---|
| 918 | if(isInsideNode(bez((t1+t2)/2)-t,rn,node_shape)) t2=(t1+t2)/2; |
---|
| 919 | else t1=(t1+t2)/2; |
---|
| 920 | dim2::Point<double> apoint=bez((t1+t2)/2); |
---|
| 921 | rn = _arrowLength+_arcWidths[*e]*_arcWidthScale; |
---|
| 922 | rn*=rn; |
---|
| 923 | t2=(t1+t2)/2;t1=0; |
---|
| 924 | for(int ii=0;ii<INTERPOL_PREC;++ii) |
---|
| 925 | if((bez((t1+t2)/2)-apoint).normSquare()>rn) t1=(t1+t2)/2; |
---|
| 926 | else t2=(t1+t2)/2; |
---|
| 927 | dim2::Point<double> linend=bez((t1+t2)/2); |
---|
| 928 | bez=bez.before((t1+t2)/2); |
---|
| 929 | // rn=_nodeSizes[g.source(*e)]*_nodeScale; |
---|
| 930 | // node_shape=_nodeShapes[g.source(*e)]; |
---|
| 931 | // t1=0;t2=1; |
---|
| 932 | // for(int i=0;i<INTERPOL_PREC;++i) |
---|
[210] | 933 | // if(isInsideNode(bez((t1+t2)/2)-t,rn,node_shape)) |
---|
| 934 | // t1=(t1+t2)/2; |
---|
[209] | 935 | // else t2=(t1+t2)/2; |
---|
| 936 | // bez=bez.after((t1+t2)/2); |
---|
| 937 | os << _arcWidths[*e]*_arcWidthScale << " setlinewidth " |
---|
| 938 | << _arcColors[*e].red() << ' ' |
---|
| 939 | << _arcColors[*e].green() << ' ' |
---|
| 940 | << _arcColors[*e].blue() << " setrgbcolor newpath\n" |
---|
| 941 | << bez.p1.x << ' ' << bez.p1.y << " moveto\n" |
---|
| 942 | << bez.p2.x << ' ' << bez.p2.y << ' ' |
---|
| 943 | << bez.p3.x << ' ' << bez.p3.y << ' ' |
---|
| 944 | << bez.p4.x << ' ' << bez.p4.y << " curveto stroke\n"; |
---|
| 945 | dim2::Point<double> dd(rot90(linend-apoint)); |
---|
| 946 | dd*=(.5*_arcWidths[*e]*_arcWidthScale+_arrowWidth)/ |
---|
| 947 | std::sqrt(dd.normSquare()); |
---|
| 948 | os << "newpath " << psOut(apoint) << " moveto " |
---|
| 949 | << psOut(linend+dd) << " lineto " |
---|
| 950 | << psOut(linend-dd) << " lineto closepath fill\n"; |
---|
| 951 | } |
---|
| 952 | else { |
---|
| 953 | os << mycoords[g.source(*e)].x << ' ' |
---|
| 954 | << mycoords[g.source(*e)].y << ' ' |
---|
| 955 | << mm.x << ' ' << mm.y << ' ' |
---|
| 956 | << mycoords[g.target(*e)].x << ' ' |
---|
| 957 | << mycoords[g.target(*e)].y << ' ' |
---|
| 958 | << _arcColors[*e].red() << ' ' |
---|
| 959 | << _arcColors[*e].green() << ' ' |
---|
| 960 | << _arcColors[*e].blue() << ' ' |
---|
| 961 | << _arcWidths[*e]*_arcWidthScale << " lb\n"; |
---|
| 962 | } |
---|
| 963 | sw+=_arcWidths[*e]*_arcWidthScale/2.0+_parArcDist; |
---|
| 964 | } |
---|
| 965 | } |
---|
[128] | 966 | } |
---|
| 967 | else for(ArcIt e(g);e!=INVALID;++e) |
---|
[209] | 968 | if((!_undirected||g.source(e)<g.target(e))&&_arcWidths[e]>0 |
---|
| 969 | &&g.source(e)!=g.target(e)) { |
---|
| 970 | if(_drawArrows) { |
---|
| 971 | dim2::Point<double> d(mycoords[g.target(e)]-mycoords[g.source(e)]); |
---|
| 972 | double rn=_nodeSizes[g.target(e)]*_nodeScale; |
---|
| 973 | int node_shape=_nodeShapes[g.target(e)]; |
---|
| 974 | double t1=0,t2=1; |
---|
| 975 | for(int i=0;i<INTERPOL_PREC;++i) |
---|
| 976 | if(isInsideNode((-(t1+t2)/2)*d,rn,node_shape)) t1=(t1+t2)/2; |
---|
| 977 | else t2=(t1+t2)/2; |
---|
| 978 | double l=std::sqrt(d.normSquare()); |
---|
| 979 | d/=l; |
---|
| 980 | |
---|
| 981 | os << l*(1-(t1+t2)/2) << ' ' |
---|
| 982 | << _arcWidths[e]*_arcWidthScale << ' ' |
---|
| 983 | << d.x << ' ' << d.y << ' ' |
---|
| 984 | << mycoords[g.source(e)].x << ' ' |
---|
| 985 | << mycoords[g.source(e)].y << ' ' |
---|
| 986 | << _arcColors[e].red() << ' ' |
---|
| 987 | << _arcColors[e].green() << ' ' |
---|
| 988 | << _arcColors[e].blue() << " arr\n"; |
---|
| 989 | } |
---|
| 990 | else os << mycoords[g.source(e)].x << ' ' |
---|
| 991 | << mycoords[g.source(e)].y << ' ' |
---|
| 992 | << mycoords[g.target(e)].x << ' ' |
---|
| 993 | << mycoords[g.target(e)].y << ' ' |
---|
| 994 | << _arcColors[e].red() << ' ' |
---|
| 995 | << _arcColors[e].green() << ' ' |
---|
| 996 | << _arcColors[e].blue() << ' ' |
---|
| 997 | << _arcWidths[e]*_arcWidthScale << " l\n"; |
---|
| 998 | } |
---|
[128] | 999 | os << "grestore\n"; |
---|
| 1000 | } |
---|
| 1001 | if(_showNodes) { |
---|
| 1002 | os << "%Nodes:\ngsave\n"; |
---|
| 1003 | for(NodeIt n(g);n!=INVALID;++n) { |
---|
[209] | 1004 | os << mycoords[n].x << ' ' << mycoords[n].y << ' ' |
---|
| 1005 | << _nodeSizes[n]*_nodeScale << ' ' |
---|
| 1006 | << _nodeColors[n].red() << ' ' |
---|
| 1007 | << _nodeColors[n].green() << ' ' |
---|
| 1008 | << _nodeColors[n].blue() << ' '; |
---|
| 1009 | switch(_nodeShapes[n]) { |
---|
| 1010 | case CIRCLE: |
---|
| 1011 | os<< "nc";break; |
---|
| 1012 | case SQUARE: |
---|
| 1013 | os<< "nsq";break; |
---|
| 1014 | case DIAMOND: |
---|
| 1015 | os<< "ndi";break; |
---|
| 1016 | case MALE: |
---|
| 1017 | os<< "nmale";break; |
---|
| 1018 | case FEMALE: |
---|
| 1019 | os<< "nfemale";break; |
---|
| 1020 | } |
---|
| 1021 | os<<'\n'; |
---|
[128] | 1022 | } |
---|
| 1023 | os << "grestore\n"; |
---|
| 1024 | } |
---|
| 1025 | if(_showNodeText) { |
---|
| 1026 | os << "%Node texts:\ngsave\n"; |
---|
| 1027 | os << "/fosi " << _nodeTextSize << " def\n"; |
---|
| 1028 | os << "(Helvetica) findfont fosi scalefont setfont\n"; |
---|
| 1029 | for(NodeIt n(g);n!=INVALID;++n) { |
---|
[209] | 1030 | switch(_nodeTextColorType) { |
---|
| 1031 | case DIST_COL: |
---|
| 1032 | os << psOut(distantColor(_nodeColors[n])) << " setrgbcolor\n"; |
---|
| 1033 | break; |
---|
| 1034 | case DIST_BW: |
---|
| 1035 | os << psOut(distantBW(_nodeColors[n])) << " setrgbcolor\n"; |
---|
| 1036 | break; |
---|
| 1037 | case CUST_COL: |
---|
| 1038 | os << psOut(distantColor(_nodeTextColors[n])) << " setrgbcolor\n"; |
---|
| 1039 | break; |
---|
| 1040 | default: |
---|
| 1041 | os << "0 0 0 setrgbcolor\n"; |
---|
| 1042 | } |
---|
| 1043 | os << mycoords[n].x << ' ' << mycoords[n].y |
---|
| 1044 | << " (" << _nodeTexts[n] << ") cshow\n"; |
---|
[128] | 1045 | } |
---|
| 1046 | os << "grestore\n"; |
---|
| 1047 | } |
---|
| 1048 | if(_showNodePsText) { |
---|
| 1049 | os << "%Node PS blocks:\ngsave\n"; |
---|
| 1050 | for(NodeIt n(g);n!=INVALID;++n) |
---|
[209] | 1051 | os << mycoords[n].x << ' ' << mycoords[n].y |
---|
| 1052 | << " moveto\n" << _nodePsTexts[n] << "\n"; |
---|
[128] | 1053 | os << "grestore\n"; |
---|
| 1054 | } |
---|
[209] | 1055 | |
---|
[128] | 1056 | os << "grestore\nshowpage\n"; |
---|
| 1057 | |
---|
| 1058 | //CleanUp: |
---|
| 1059 | if(_pleaseRemoveOsStream) {delete &os;} |
---|
[130] | 1060 | } |
---|
| 1061 | |
---|
| 1062 | ///\name Aliases |
---|
| 1063 | ///These are just some aliases to other parameter setting functions. |
---|
| 1064 | |
---|
| 1065 | ///@{ |
---|
| 1066 | |
---|
| 1067 | ///An alias for arcWidths() |
---|
| 1068 | template<class X> GraphToEps<ArcWidthsTraits<X> > edgeWidths(const X &x) |
---|
| 1069 | { |
---|
| 1070 | return arcWidths(x); |
---|
| 1071 | } |
---|
| 1072 | |
---|
| 1073 | ///An alias for arcColors() |
---|
| 1074 | template<class X> GraphToEps<ArcColorsTraits<X> > |
---|
| 1075 | edgeColors(const X &x) |
---|
| 1076 | { |
---|
| 1077 | return arcColors(x); |
---|
| 1078 | } |
---|
| 1079 | |
---|
| 1080 | ///An alias for arcWidthScale() |
---|
| 1081 | GraphToEps<T> &edgeWidthScale(double d) {return arcWidthScale(d);} |
---|
| 1082 | |
---|
| 1083 | ///An alias for autoArcWidthScale() |
---|
| 1084 | GraphToEps<T> &autoEdgeWidthScale(bool b=true) |
---|
| 1085 | { |
---|
| 1086 | return autoArcWidthScale(b); |
---|
| 1087 | } |
---|
[209] | 1088 | |
---|
[130] | 1089 | ///An alias for absoluteArcWidths() |
---|
| 1090 | GraphToEps<T> &absoluteEdgeWidths(bool b=true) |
---|
| 1091 | { |
---|
| 1092 | return absoluteArcWidths(b); |
---|
| 1093 | } |
---|
[209] | 1094 | |
---|
[130] | 1095 | ///An alias for parArcDist() |
---|
| 1096 | GraphToEps<T> &parEdgeDist(double d) {return parArcDist(d);} |
---|
[209] | 1097 | |
---|
[130] | 1098 | ///An alias for hideArcs() |
---|
| 1099 | GraphToEps<T> &hideEdges(bool b=true) {return hideArcs(b);} |
---|
| 1100 | |
---|
| 1101 | ///@} |
---|
[128] | 1102 | }; |
---|
| 1103 | |
---|
| 1104 | template<class T> |
---|
| 1105 | const int GraphToEps<T>::INTERPOL_PREC = 20; |
---|
| 1106 | template<class T> |
---|
| 1107 | const double GraphToEps<T>::A4HEIGHT = 841.8897637795276; |
---|
| 1108 | template<class T> |
---|
| 1109 | const double GraphToEps<T>::A4WIDTH = 595.275590551181; |
---|
| 1110 | template<class T> |
---|
| 1111 | const double GraphToEps<T>::A4BORDER = 15; |
---|
| 1112 | |
---|
| 1113 | |
---|
| 1114 | ///Generates an EPS file from a graph |
---|
| 1115 | |
---|
| 1116 | ///\ingroup eps_io |
---|
| 1117 | ///Generates an EPS file from a graph. |
---|
[206] | 1118 | ///\param g Reference to the graph to be printed. |
---|
| 1119 | ///\param os Reference to the output stream. |
---|
| 1120 | ///By default it is <tt>std::cout</tt>. |
---|
[128] | 1121 | /// |
---|
| 1122 | ///This function also has a lot of |
---|
| 1123 | ///\ref named-templ-func-param "named parameters", |
---|
| 1124 | ///they are declared as the members of class \ref GraphToEps. The following |
---|
| 1125 | ///example shows how to use these parameters. |
---|
| 1126 | ///\code |
---|
| 1127 | /// graphToEps(g,os).scale(10).coords(coords) |
---|
| 1128 | /// .nodeScale(2).nodeSizes(sizes) |
---|
| 1129 | /// .arcWidthScale(.4).run(); |
---|
| 1130 | ///\endcode |
---|
[206] | 1131 | /// |
---|
| 1132 | ///For more detailed examples see the \ref graph_to_eps_demo.cc demo file. |
---|
| 1133 | /// |
---|
[128] | 1134 | ///\warning Don't forget to put the \ref GraphToEps::run() "run()" |
---|
| 1135 | ///to the end of the parameter list. |
---|
| 1136 | ///\sa GraphToEps |
---|
| 1137 | ///\sa graphToEps(G &g, const char *file_name) |
---|
| 1138 | template<class G> |
---|
[209] | 1139 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[128] | 1140 | graphToEps(G &g, std::ostream& os=std::cout) |
---|
| 1141 | { |
---|
[209] | 1142 | return |
---|
[128] | 1143 | GraphToEps<DefaultGraphToEpsTraits<G> >(DefaultGraphToEpsTraits<G>(g,os)); |
---|
| 1144 | } |
---|
[209] | 1145 | |
---|
[128] | 1146 | ///Generates an EPS file from a graph |
---|
| 1147 | |
---|
| 1148 | ///\ingroup eps_io |
---|
| 1149 | ///This function does the same as |
---|
| 1150 | ///\ref graphToEps(G &g,std::ostream& os) |
---|
| 1151 | ///but it writes its output into the file \c file_name |
---|
| 1152 | ///instead of a stream. |
---|
| 1153 | ///\sa graphToEps(G &g, std::ostream& os) |
---|
| 1154 | template<class G> |
---|
[209] | 1155 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[128] | 1156 | graphToEps(G &g,const char *file_name) |
---|
| 1157 | { |
---|
[290] | 1158 | std::ostream* os = new std::ofstream(file_name); |
---|
| 1159 | if (!(*os)) { |
---|
| 1160 | delete os; |
---|
[291] | 1161 | throw IoError("Cannot write file", file_name); |
---|
[290] | 1162 | } |
---|
[128] | 1163 | return GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[290] | 1164 | (DefaultGraphToEpsTraits<G>(g,*os,true)); |
---|
[128] | 1165 | } |
---|
| 1166 | |
---|
| 1167 | ///Generates an EPS file from a graph |
---|
| 1168 | |
---|
| 1169 | ///\ingroup eps_io |
---|
| 1170 | ///This function does the same as |
---|
| 1171 | ///\ref graphToEps(G &g,std::ostream& os) |
---|
| 1172 | ///but it writes its output into the file \c file_name |
---|
| 1173 | ///instead of a stream. |
---|
| 1174 | ///\sa graphToEps(G &g, std::ostream& os) |
---|
| 1175 | template<class G> |
---|
[209] | 1176 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[128] | 1177 | graphToEps(G &g,const std::string& file_name) |
---|
| 1178 | { |
---|
[290] | 1179 | std::ostream* os = new std::ofstream(file_name.c_str()); |
---|
| 1180 | if (!(*os)) { |
---|
| 1181 | delete os; |
---|
[291] | 1182 | throw IoError("Cannot write file", file_name); |
---|
[290] | 1183 | } |
---|
[128] | 1184 | return GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[290] | 1185 | (DefaultGraphToEpsTraits<G>(g,*os,true)); |
---|
[128] | 1186 | } |
---|
| 1187 | |
---|
| 1188 | } //END OF NAMESPACE LEMON |
---|
| 1189 | |
---|
| 1190 | #endif // LEMON_GRAPH_TO_EPS_H |
---|