[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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[143] | 32 | #define WIN32_LEAN_AND_MEAN |
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| 33 | #define NOMINMAX |
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[134] | 34 | #include<windows.h> |
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| 35 | #endif |
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[128] | 36 | |
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| 37 | #include<lemon/math.h> |
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[220] | 38 | #include<lemon/core.h> |
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[128] | 39 | #include<lemon/dim2.h> |
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| 40 | #include<lemon/maps.h> |
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| 41 | #include<lemon/color.h> |
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| 42 | #include<lemon/bits/bezier.h> |
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[290] | 43 | #include<lemon/error.h> |
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[128] | 44 | |
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| 45 | |
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| 46 | ///\ingroup eps_io |
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| 47 | ///\file |
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[133] | 48 | ///\brief A well configurable tool for visualizing graphs |
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[128] | 49 | |
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| 50 | namespace lemon { |
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| 51 | |
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[131] | 52 | namespace _graph_to_eps_bits { |
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| 53 | template<class MT> |
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| 54 | class _NegY { |
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| 55 | public: |
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| 56 | typedef typename MT::Key Key; |
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| 57 | typedef typename MT::Value Value; |
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| 58 | const MT ↦ |
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| 59 | int yscale; |
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| 60 | _NegY(const MT &m,bool b) : map(m), yscale(1-b*2) {} |
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| 61 | Value operator[](Key n) { return Value(map[n].x,map[n].y*yscale);} |
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| 62 | }; |
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| 63 | } |
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[209] | 64 | |
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[128] | 65 | ///Default traits class of \ref GraphToEps |
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| 66 | |
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[206] | 67 | ///Default traits class of \ref GraphToEps. |
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[128] | 68 | /// |
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| 69 | ///\c G is the type of the underlying graph. |
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| 70 | template<class G> |
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| 71 | struct DefaultGraphToEpsTraits |
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| 72 | { |
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| 73 | typedef G Graph; |
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| 74 | typedef typename Graph::Node Node; |
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| 75 | typedef typename Graph::NodeIt NodeIt; |
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| 76 | typedef typename Graph::Arc Arc; |
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| 77 | typedef typename Graph::ArcIt ArcIt; |
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| 78 | typedef typename Graph::InArcIt InArcIt; |
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| 79 | typedef typename Graph::OutArcIt OutArcIt; |
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[209] | 80 | |
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[128] | 81 | |
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| 82 | const Graph &g; |
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| 83 | |
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| 84 | std::ostream& os; |
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[209] | 85 | |
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[128] | 86 | typedef ConstMap<typename Graph::Node,dim2::Point<double> > CoordsMapType; |
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| 87 | CoordsMapType _coords; |
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| 88 | ConstMap<typename Graph::Node,double > _nodeSizes; |
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| 89 | ConstMap<typename Graph::Node,int > _nodeShapes; |
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| 90 | |
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| 91 | ConstMap<typename Graph::Node,Color > _nodeColors; |
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| 92 | ConstMap<typename Graph::Arc,Color > _arcColors; |
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| 93 | |
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| 94 | ConstMap<typename Graph::Arc,double > _arcWidths; |
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| 95 | |
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| 96 | double _arcWidthScale; |
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[209] | 97 | |
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[128] | 98 | double _nodeScale; |
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| 99 | double _xBorder, _yBorder; |
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| 100 | double _scale; |
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| 101 | double _nodeBorderQuotient; |
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[209] | 102 | |
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[128] | 103 | bool _drawArrows; |
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| 104 | double _arrowLength, _arrowWidth; |
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[209] | 105 | |
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[128] | 106 | bool _showNodes, _showArcs; |
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| 107 | |
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| 108 | bool _enableParallel; |
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| 109 | double _parArcDist; |
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| 110 | |
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| 111 | bool _showNodeText; |
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[209] | 112 | ConstMap<typename Graph::Node,bool > _nodeTexts; |
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[128] | 113 | double _nodeTextSize; |
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| 114 | |
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| 115 | bool _showNodePsText; |
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[209] | 116 | ConstMap<typename Graph::Node,bool > _nodePsTexts; |
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[128] | 117 | char *_nodePsTextsPreamble; |
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[209] | 118 | |
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[128] | 119 | bool _undirected; |
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| 120 | |
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| 121 | bool _pleaseRemoveOsStream; |
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| 122 | |
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| 123 | bool _scaleToA4; |
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| 124 | |
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| 125 | std::string _title; |
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| 126 | std::string _copyright; |
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| 127 | |
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[209] | 128 | enum NodeTextColorType |
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[128] | 129 | { DIST_COL=0, DIST_BW=1, CUST_COL=2, SAME_COL=3 } _nodeTextColorType; |
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| 130 | ConstMap<typename Graph::Node,Color > _nodeTextColors; |
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| 131 | |
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| 132 | bool _autoNodeScale; |
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| 133 | bool _autoArcWidthScale; |
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| 134 | |
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| 135 | bool _absoluteNodeSizes; |
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| 136 | bool _absoluteArcWidths; |
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| 137 | |
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| 138 | bool _negY; |
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| 139 | |
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| 140 | bool _preScale; |
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| 141 | ///Constructor |
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| 142 | |
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| 143 | ///Constructor |
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[206] | 144 | ///\param _g Reference to the graph to be printed. |
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| 145 | ///\param _os Reference to the output stream. |
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[210] | 146 | ///\param _os Reference to the output stream. |
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| 147 | ///By default it is <tt>std::cout</tt>. |
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[128] | 148 | ///\param _pros If it is \c true, then the \c ostream referenced by \c _os |
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| 149 | ///will be explicitly deallocated by the destructor. |
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| 150 | DefaultGraphToEpsTraits(const G &_g,std::ostream& _os=std::cout, |
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[209] | 151 | bool _pros=false) : |
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[128] | 152 | g(_g), os(_os), |
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[132] | 153 | _coords(dim2::Point<double>(1,1)), _nodeSizes(1), _nodeShapes(0), |
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[128] | 154 | _nodeColors(WHITE), _arcColors(BLACK), |
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| 155 | _arcWidths(1.0), _arcWidthScale(0.003), |
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[132] | 156 | _nodeScale(.01), _xBorder(10), _yBorder(10), _scale(1.0), |
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[128] | 157 | _nodeBorderQuotient(.1), |
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| 158 | _drawArrows(false), _arrowLength(1), _arrowWidth(0.3), |
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| 159 | _showNodes(true), _showArcs(true), |
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| 160 | _enableParallel(false), _parArcDist(1), |
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| 161 | _showNodeText(false), _nodeTexts(false), _nodeTextSize(1), |
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| 162 | _showNodePsText(false), _nodePsTexts(false), _nodePsTextsPreamble(0), |
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[131] | 163 | _undirected(lemon::UndirectedTagIndicator<G>::value), |
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[128] | 164 | _pleaseRemoveOsStream(_pros), _scaleToA4(false), |
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| 165 | _nodeTextColorType(SAME_COL), _nodeTextColors(BLACK), |
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| 166 | _autoNodeScale(false), |
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| 167 | _autoArcWidthScale(false), |
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| 168 | _absoluteNodeSizes(false), |
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| 169 | _absoluteArcWidths(false), |
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| 170 | _negY(false), |
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| 171 | _preScale(true) |
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| 172 | {} |
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| 173 | }; |
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| 174 | |
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[133] | 175 | ///Auxiliary class to implement the named parameters of \ref graphToEps() |
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[128] | 176 | |
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[206] | 177 | ///Auxiliary class to implement the named parameters of \ref graphToEps(). |
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| 178 | /// |
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| 179 | ///For detailed examples see the \ref graph_to_eps_demo.cc demo file. |
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[209] | 180 | template<class T> class GraphToEps : public T |
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[128] | 181 | { |
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| 182 | // Can't believe it is required by the C++ standard |
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| 183 | using T::g; |
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| 184 | using T::os; |
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| 185 | |
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| 186 | using T::_coords; |
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| 187 | using T::_nodeSizes; |
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| 188 | using T::_nodeShapes; |
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| 189 | using T::_nodeColors; |
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| 190 | using T::_arcColors; |
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| 191 | using T::_arcWidths; |
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| 192 | |
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| 193 | using T::_arcWidthScale; |
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| 194 | using T::_nodeScale; |
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| 195 | using T::_xBorder; |
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| 196 | using T::_yBorder; |
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| 197 | using T::_scale; |
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| 198 | using T::_nodeBorderQuotient; |
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[209] | 199 | |
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[128] | 200 | using T::_drawArrows; |
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| 201 | using T::_arrowLength; |
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| 202 | using T::_arrowWidth; |
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[209] | 203 | |
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[128] | 204 | using T::_showNodes; |
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| 205 | using T::_showArcs; |
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| 206 | |
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| 207 | using T::_enableParallel; |
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| 208 | using T::_parArcDist; |
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| 209 | |
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| 210 | using T::_showNodeText; |
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[209] | 211 | using T::_nodeTexts; |
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[128] | 212 | using T::_nodeTextSize; |
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| 213 | |
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| 214 | using T::_showNodePsText; |
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[209] | 215 | using T::_nodePsTexts; |
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[128] | 216 | using T::_nodePsTextsPreamble; |
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[209] | 217 | |
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[128] | 218 | using T::_undirected; |
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| 219 | |
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| 220 | using T::_pleaseRemoveOsStream; |
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| 221 | |
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| 222 | using T::_scaleToA4; |
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| 223 | |
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| 224 | using T::_title; |
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| 225 | using T::_copyright; |
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| 226 | |
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| 227 | using T::NodeTextColorType; |
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| 228 | using T::CUST_COL; |
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| 229 | using T::DIST_COL; |
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| 230 | using T::DIST_BW; |
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| 231 | using T::_nodeTextColorType; |
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| 232 | using T::_nodeTextColors; |
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| 233 | |
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| 234 | using T::_autoNodeScale; |
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| 235 | using T::_autoArcWidthScale; |
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| 236 | |
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| 237 | using T::_absoluteNodeSizes; |
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| 238 | using T::_absoluteArcWidths; |
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| 239 | |
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| 240 | |
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| 241 | using T::_negY; |
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| 242 | using T::_preScale; |
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| 243 | |
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| 244 | // dradnats ++C eht yb deriuqer si ti eveileb t'naC |
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| 245 | |
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| 246 | typedef typename T::Graph Graph; |
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| 247 | typedef typename Graph::Node Node; |
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| 248 | typedef typename Graph::NodeIt NodeIt; |
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| 249 | typedef typename Graph::Arc Arc; |
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| 250 | typedef typename Graph::ArcIt ArcIt; |
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| 251 | typedef typename Graph::InArcIt InArcIt; |
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| 252 | typedef typename Graph::OutArcIt OutArcIt; |
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| 253 | |
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| 254 | static const int INTERPOL_PREC; |
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| 255 | static const double A4HEIGHT; |
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| 256 | static const double A4WIDTH; |
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| 257 | static const double A4BORDER; |
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| 258 | |
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| 259 | bool dontPrint; |
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| 260 | |
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| 261 | public: |
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| 262 | ///Node shapes |
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| 263 | |
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[206] | 264 | ///Node shapes. |
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[128] | 265 | /// |
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[209] | 266 | enum NodeShapes { |
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[128] | 267 | /// = 0 |
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| 268 | ///\image html nodeshape_0.png |
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| 269 | ///\image latex nodeshape_0.eps "CIRCLE shape (0)" width=2cm |
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[209] | 270 | CIRCLE=0, |
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[128] | 271 | /// = 1 |
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| 272 | ///\image html nodeshape_1.png |
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| 273 | ///\image latex nodeshape_1.eps "SQUARE shape (1)" width=2cm |
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| 274 | /// |
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[209] | 275 | SQUARE=1, |
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[128] | 276 | /// = 2 |
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| 277 | ///\image html nodeshape_2.png |
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| 278 | ///\image latex nodeshape_2.eps "DIAMOND shape (2)" width=2cm |
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| 279 | /// |
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| 280 | DIAMOND=2, |
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| 281 | /// = 3 |
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| 282 | ///\image html nodeshape_3.png |
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| 283 | ///\image latex nodeshape_2.eps "MALE shape (4)" width=2cm |
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| 284 | /// |
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| 285 | MALE=3, |
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| 286 | /// = 4 |
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| 287 | ///\image html nodeshape_4.png |
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| 288 | ///\image latex nodeshape_2.eps "FEMALE shape (4)" width=2cm |
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| 289 | /// |
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| 290 | FEMALE=4 |
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| 291 | }; |
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| 292 | |
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| 293 | private: |
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| 294 | class arcLess { |
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| 295 | const Graph &g; |
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| 296 | public: |
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| 297 | arcLess(const Graph &_g) : g(_g) {} |
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[209] | 298 | bool operator()(Arc a,Arc b) const |
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[128] | 299 | { |
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| 300 | Node ai=std::min(g.source(a),g.target(a)); |
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| 301 | Node aa=std::max(g.source(a),g.target(a)); |
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| 302 | Node bi=std::min(g.source(b),g.target(b)); |
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| 303 | Node ba=std::max(g.source(b),g.target(b)); |
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| 304 | return ai<bi || |
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[209] | 305 | (ai==bi && (aa < ba || |
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| 306 | (aa==ba && ai==g.source(a) && bi==g.target(b)))); |
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[128] | 307 | } |
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| 308 | }; |
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| 309 | bool isParallel(Arc e,Arc f) const |
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| 310 | { |
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| 311 | return (g.source(e)==g.source(f)&& |
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[209] | 312 | g.target(e)==g.target(f)) || |
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[128] | 313 | (g.source(e)==g.target(f)&& |
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| 314 | g.target(e)==g.source(f)); |
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| 315 | } |
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| 316 | template<class TT> |
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[209] | 317 | static std::string psOut(const dim2::Point<TT> &p) |
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[128] | 318 | { |
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[209] | 319 | std::ostringstream os; |
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[128] | 320 | os << p.x << ' ' << p.y; |
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| 321 | return os.str(); |
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| 322 | } |
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[209] | 323 | static std::string psOut(const Color &c) |
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[128] | 324 | { |
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[209] | 325 | std::ostringstream os; |
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[128] | 326 | os << c.red() << ' ' << c.green() << ' ' << c.blue(); |
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| 327 | return os.str(); |
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| 328 | } |
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[209] | 329 | |
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[128] | 330 | public: |
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| 331 | GraphToEps(const T &t) : T(t), dontPrint(false) {}; |
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[209] | 332 | |
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[128] | 333 | template<class X> struct CoordsTraits : public T { |
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| 334 | typedef X CoordsMapType; |
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| 335 | const X &_coords; |
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| 336 | CoordsTraits(const T &t,const X &x) : T(t), _coords(x) {} |
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| 337 | }; |
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| 338 | ///Sets the map of the node coordinates |
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| 339 | |
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| 340 | ///Sets the map of the node coordinates. |
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[206] | 341 | ///\param x must be a node map with \ref dim2::Point "dim2::Point<double>" or |
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[209] | 342 | ///\ref dim2::Point "dim2::Point<int>" values. |
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[128] | 343 | template<class X> GraphToEps<CoordsTraits<X> > coords(const X &x) { |
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| 344 | dontPrint=true; |
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| 345 | return GraphToEps<CoordsTraits<X> >(CoordsTraits<X>(*this,x)); |
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| 346 | } |
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| 347 | template<class X> struct NodeSizesTraits : public T { |
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| 348 | const X &_nodeSizes; |
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| 349 | NodeSizesTraits(const T &t,const X &x) : T(t), _nodeSizes(x) {} |
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| 350 | }; |
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| 351 | ///Sets the map of the node sizes |
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| 352 | |
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[206] | 353 | ///Sets the map of the node sizes. |
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[209] | 354 | ///\param x must be a node map with \c double (or convertible) values. |
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[128] | 355 | template<class X> GraphToEps<NodeSizesTraits<X> > nodeSizes(const X &x) |
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| 356 | { |
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| 357 | dontPrint=true; |
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| 358 | return GraphToEps<NodeSizesTraits<X> >(NodeSizesTraits<X>(*this,x)); |
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| 359 | } |
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| 360 | template<class X> struct NodeShapesTraits : public T { |
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| 361 | const X &_nodeShapes; |
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| 362 | NodeShapesTraits(const T &t,const X &x) : T(t), _nodeShapes(x) {} |
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| 363 | }; |
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| 364 | ///Sets the map of the node shapes |
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| 365 | |
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| 366 | ///Sets the map of the node shapes. |
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[133] | 367 | ///The available shape values |
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[128] | 368 | ///can be found in \ref NodeShapes "enum NodeShapes". |
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[209] | 369 | ///\param x must be a node map with \c int (or convertible) values. |
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[128] | 370 | ///\sa NodeShapes |
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| 371 | template<class X> GraphToEps<NodeShapesTraits<X> > nodeShapes(const X &x) |
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| 372 | { |
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| 373 | dontPrint=true; |
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| 374 | return GraphToEps<NodeShapesTraits<X> >(NodeShapesTraits<X>(*this,x)); |
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| 375 | } |
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| 376 | template<class X> struct NodeTextsTraits : public T { |
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| 377 | const X &_nodeTexts; |
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| 378 | NodeTextsTraits(const T &t,const X &x) : T(t), _nodeTexts(x) {} |
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| 379 | }; |
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| 380 | ///Sets the text printed on the nodes |
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| 381 | |
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[206] | 382 | ///Sets the text printed on the nodes. |
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[128] | 383 | ///\param x must be a node map with type that can be pushed to a standard |
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[209] | 384 | ///\c ostream. |
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[128] | 385 | template<class X> GraphToEps<NodeTextsTraits<X> > nodeTexts(const X &x) |
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| 386 | { |
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| 387 | dontPrint=true; |
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| 388 | _showNodeText=true; |
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| 389 | return GraphToEps<NodeTextsTraits<X> >(NodeTextsTraits<X>(*this,x)); |
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| 390 | } |
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| 391 | template<class X> struct NodePsTextsTraits : public T { |
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| 392 | const X &_nodePsTexts; |
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| 393 | NodePsTextsTraits(const T &t,const X &x) : T(t), _nodePsTexts(x) {} |
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| 394 | }; |
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| 395 | ///Inserts a PostScript block to the nodes |
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| 396 | |
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| 397 | ///With this command it is possible to insert a verbatim PostScript |
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| 398 | ///block to the nodes. |
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[206] | 399 | ///The PS current point will be moved to the center of the node before |
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[128] | 400 | ///the PostScript block inserted. |
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| 401 | /// |
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| 402 | ///Before and after the block a newline character is inserted so you |
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| 403 | ///don't have to bother with the separators. |
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| 404 | /// |
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| 405 | ///\param x must be a node map with type that can be pushed to a standard |
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[206] | 406 | ///\c ostream. |
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[128] | 407 | /// |
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| 408 | ///\sa nodePsTextsPreamble() |
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| 409 | template<class X> GraphToEps<NodePsTextsTraits<X> > nodePsTexts(const X &x) |
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| 410 | { |
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| 411 | dontPrint=true; |
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| 412 | _showNodePsText=true; |
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| 413 | return GraphToEps<NodePsTextsTraits<X> >(NodePsTextsTraits<X>(*this,x)); |
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| 414 | } |
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| 415 | template<class X> struct ArcWidthsTraits : public T { |
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| 416 | const X &_arcWidths; |
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| 417 | ArcWidthsTraits(const T &t,const X &x) : T(t), _arcWidths(x) {} |
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| 418 | }; |
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| 419 | ///Sets the map of the arc widths |
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| 420 | |
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[206] | 421 | ///Sets the map of the arc widths. |
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[209] | 422 | ///\param x must be an arc map with \c double (or convertible) values. |
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[128] | 423 | template<class X> GraphToEps<ArcWidthsTraits<X> > arcWidths(const X &x) |
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| 424 | { |
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| 425 | dontPrint=true; |
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| 426 | return GraphToEps<ArcWidthsTraits<X> >(ArcWidthsTraits<X>(*this,x)); |
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| 427 | } |
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| 428 | |
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| 429 | template<class X> struct NodeColorsTraits : public T { |
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| 430 | const X &_nodeColors; |
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| 431 | NodeColorsTraits(const T &t,const X &x) : T(t), _nodeColors(x) {} |
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| 432 | }; |
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| 433 | ///Sets the map of the node colors |
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| 434 | |
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[206] | 435 | ///Sets the map of the node colors. |
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[128] | 436 | ///\param x must be a node map with \ref Color values. |
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| 437 | /// |
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| 438 | ///\sa Palette |
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| 439 | template<class X> GraphToEps<NodeColorsTraits<X> > |
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| 440 | nodeColors(const X &x) |
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| 441 | { |
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| 442 | dontPrint=true; |
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| 443 | return GraphToEps<NodeColorsTraits<X> >(NodeColorsTraits<X>(*this,x)); |
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| 444 | } |
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| 445 | template<class X> struct NodeTextColorsTraits : public T { |
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| 446 | const X &_nodeTextColors; |
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| 447 | NodeTextColorsTraits(const T &t,const X &x) : T(t), _nodeTextColors(x) {} |
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| 448 | }; |
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| 449 | ///Sets the map of the node text colors |
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| 450 | |
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[206] | 451 | ///Sets the map of the node text colors. |
---|
[209] | 452 | ///\param x must be a node map with \ref Color values. |
---|
[128] | 453 | /// |
---|
| 454 | ///\sa Palette |
---|
| 455 | template<class X> GraphToEps<NodeTextColorsTraits<X> > |
---|
| 456 | nodeTextColors(const X &x) |
---|
| 457 | { |
---|
| 458 | dontPrint=true; |
---|
| 459 | _nodeTextColorType=CUST_COL; |
---|
| 460 | return GraphToEps<NodeTextColorsTraits<X> > |
---|
| 461 | (NodeTextColorsTraits<X>(*this,x)); |
---|
| 462 | } |
---|
| 463 | template<class X> struct ArcColorsTraits : public T { |
---|
| 464 | const X &_arcColors; |
---|
| 465 | ArcColorsTraits(const T &t,const X &x) : T(t), _arcColors(x) {} |
---|
| 466 | }; |
---|
| 467 | ///Sets the map of the arc colors |
---|
| 468 | |
---|
[206] | 469 | ///Sets the map of the arc colors. |
---|
[209] | 470 | ///\param x must be an arc map with \ref Color values. |
---|
[128] | 471 | /// |
---|
| 472 | ///\sa Palette |
---|
| 473 | template<class X> GraphToEps<ArcColorsTraits<X> > |
---|
| 474 | arcColors(const X &x) |
---|
| 475 | { |
---|
| 476 | dontPrint=true; |
---|
| 477 | return GraphToEps<ArcColorsTraits<X> >(ArcColorsTraits<X>(*this,x)); |
---|
| 478 | } |
---|
| 479 | ///Sets a global scale factor for node sizes |
---|
| 480 | |
---|
| 481 | ///Sets a global scale factor for node sizes. |
---|
[209] | 482 | /// |
---|
[128] | 483 | /// If nodeSizes() is not given, this function simply sets the node |
---|
| 484 | /// sizes to \c d. If nodeSizes() is given, but |
---|
| 485 | /// autoNodeScale() is not, then the node size given by |
---|
| 486 | /// nodeSizes() will be multiplied by the value \c d. |
---|
| 487 | /// If both nodeSizes() and autoNodeScale() are used, then the |
---|
| 488 | /// node sizes will be scaled in such a way that the greatest size will be |
---|
| 489 | /// equal to \c d. |
---|
| 490 | /// \sa nodeSizes() |
---|
| 491 | /// \sa autoNodeScale() |
---|
[132] | 492 | GraphToEps<T> &nodeScale(double d=.01) {_nodeScale=d;return *this;} |
---|
[206] | 493 | ///Turns on/off the automatic node size scaling. |
---|
[128] | 494 | |
---|
[206] | 495 | ///Turns on/off the automatic node size scaling. |
---|
[128] | 496 | /// |
---|
| 497 | ///\sa nodeScale() |
---|
| 498 | /// |
---|
| 499 | GraphToEps<T> &autoNodeScale(bool b=true) { |
---|
| 500 | _autoNodeScale=b;return *this; |
---|
| 501 | } |
---|
| 502 | |
---|
[206] | 503 | ///Turns on/off the absolutematic node size scaling. |
---|
[128] | 504 | |
---|
[206] | 505 | ///Turns on/off the absolutematic node size scaling. |
---|
[128] | 506 | /// |
---|
| 507 | ///\sa nodeScale() |
---|
| 508 | /// |
---|
| 509 | GraphToEps<T> &absoluteNodeSizes(bool b=true) { |
---|
| 510 | _absoluteNodeSizes=b;return *this; |
---|
| 511 | } |
---|
| 512 | |
---|
| 513 | ///Negates the Y coordinates. |
---|
| 514 | GraphToEps<T> &negateY(bool b=true) { |
---|
| 515 | _negY=b;return *this; |
---|
| 516 | } |
---|
| 517 | |
---|
[133] | 518 | ///Turn on/off pre-scaling |
---|
[128] | 519 | |
---|
| 520 | ///By default graphToEps() rescales the whole image in order to avoid |
---|
| 521 | ///very big or very small bounding boxes. |
---|
| 522 | /// |
---|
| 523 | ///This (p)rescaling can be turned off with this function. |
---|
| 524 | /// |
---|
| 525 | GraphToEps<T> &preScale(bool b=true) { |
---|
| 526 | _preScale=b;return *this; |
---|
| 527 | } |
---|
| 528 | |
---|
| 529 | ///Sets a global scale factor for arc widths |
---|
| 530 | |
---|
| 531 | /// Sets a global scale factor for arc widths. |
---|
| 532 | /// |
---|
| 533 | /// If arcWidths() is not given, this function simply sets the arc |
---|
| 534 | /// widths to \c d. If arcWidths() is given, but |
---|
| 535 | /// autoArcWidthScale() is not, then the arc withs given by |
---|
| 536 | /// arcWidths() will be multiplied by the value \c d. |
---|
| 537 | /// If both arcWidths() and autoArcWidthScale() are used, then the |
---|
| 538 | /// arc withs will be scaled in such a way that the greatest width will be |
---|
| 539 | /// equal to \c d. |
---|
[132] | 540 | GraphToEps<T> &arcWidthScale(double d=.003) {_arcWidthScale=d;return *this;} |
---|
[128] | 541 | ///Turns on/off the automatic arc width scaling. |
---|
| 542 | |
---|
| 543 | ///Turns on/off the automatic arc width scaling. |
---|
| 544 | /// |
---|
| 545 | ///\sa arcWidthScale() |
---|
| 546 | /// |
---|
| 547 | GraphToEps<T> &autoArcWidthScale(bool b=true) { |
---|
| 548 | _autoArcWidthScale=b;return *this; |
---|
| 549 | } |
---|
| 550 | ///Turns on/off the absolutematic arc width scaling. |
---|
| 551 | |
---|
| 552 | ///Turns on/off the absolutematic arc width scaling. |
---|
| 553 | /// |
---|
| 554 | ///\sa arcWidthScale() |
---|
| 555 | /// |
---|
| 556 | GraphToEps<T> &absoluteArcWidths(bool b=true) { |
---|
| 557 | _absoluteArcWidths=b;return *this; |
---|
| 558 | } |
---|
| 559 | ///Sets a global scale factor for the whole picture |
---|
| 560 | GraphToEps<T> &scale(double d) {_scale=d;return *this;} |
---|
| 561 | ///Sets the width of the border around the picture |
---|
[133] | 562 | GraphToEps<T> &border(double b=10) {_xBorder=_yBorder=b;return *this;} |
---|
[128] | 563 | ///Sets the width of the border around the picture |
---|
| 564 | GraphToEps<T> &border(double x, double y) { |
---|
| 565 | _xBorder=x;_yBorder=y;return *this; |
---|
| 566 | } |
---|
| 567 | ///Sets whether to draw arrows |
---|
| 568 | GraphToEps<T> &drawArrows(bool b=true) {_drawArrows=b;return *this;} |
---|
| 569 | ///Sets the length of the arrowheads |
---|
[133] | 570 | GraphToEps<T> &arrowLength(double d=1.0) {_arrowLength*=d;return *this;} |
---|
[128] | 571 | ///Sets the width of the arrowheads |
---|
[133] | 572 | GraphToEps<T> &arrowWidth(double d=.3) {_arrowWidth*=d;return *this;} |
---|
[209] | 573 | |
---|
[128] | 574 | ///Scales the drawing to fit to A4 page |
---|
| 575 | GraphToEps<T> &scaleToA4() {_scaleToA4=true;return *this;} |
---|
[209] | 576 | |
---|
[128] | 577 | ///Enables parallel arcs |
---|
| 578 | GraphToEps<T> &enableParallel(bool b=true) {_enableParallel=b;return *this;} |
---|
[209] | 579 | |
---|
[206] | 580 | ///Sets the distance between parallel arcs |
---|
[128] | 581 | GraphToEps<T> &parArcDist(double d) {_parArcDist*=d;return *this;} |
---|
[209] | 582 | |
---|
[128] | 583 | ///Hides the arcs |
---|
| 584 | GraphToEps<T> &hideArcs(bool b=true) {_showArcs=!b;return *this;} |
---|
| 585 | ///Hides the nodes |
---|
| 586 | GraphToEps<T> &hideNodes(bool b=true) {_showNodes=!b;return *this;} |
---|
[209] | 587 | |
---|
[128] | 588 | ///Sets the size of the node texts |
---|
| 589 | GraphToEps<T> &nodeTextSize(double d) {_nodeTextSize=d;return *this;} |
---|
| 590 | |
---|
| 591 | ///Sets the color of the node texts to be different from the node color |
---|
| 592 | |
---|
| 593 | ///Sets the color of the node texts to be as different from the node color |
---|
[206] | 594 | ///as it is possible. |
---|
[128] | 595 | GraphToEps<T> &distantColorNodeTexts() |
---|
| 596 | {_nodeTextColorType=DIST_COL;return *this;} |
---|
| 597 | ///Sets the color of the node texts to be black or white and always visible. |
---|
| 598 | |
---|
| 599 | ///Sets the color of the node texts to be black or white according to |
---|
[206] | 600 | ///which is more different from the node color. |
---|
[128] | 601 | GraphToEps<T> &distantBWNodeTexts() |
---|
| 602 | {_nodeTextColorType=DIST_BW;return *this;} |
---|
| 603 | |
---|
| 604 | ///Gives a preamble block for node Postscript block. |
---|
[209] | 605 | |
---|
[128] | 606 | ///Gives a preamble block for node Postscript block. |
---|
| 607 | /// |
---|
| 608 | ///\sa nodePsTexts() |
---|
| 609 | GraphToEps<T> & nodePsTextsPreamble(const char *str) { |
---|
| 610 | _nodePsTextsPreamble=str ;return *this; |
---|
| 611 | } |
---|
[206] | 612 | ///Sets whether the graph is undirected |
---|
[128] | 613 | |
---|
[206] | 614 | ///Sets whether the graph is undirected. |
---|
[128] | 615 | /// |
---|
[133] | 616 | ///This setting is the default for undirected graphs. |
---|
| 617 | /// |
---|
| 618 | ///\sa directed() |
---|
| 619 | GraphToEps<T> &undirected(bool b=true) {_undirected=b;return *this;} |
---|
[128] | 620 | |
---|
[206] | 621 | ///Sets whether the graph is directed |
---|
[128] | 622 | |
---|
[206] | 623 | ///Sets whether the graph is directed. |
---|
[128] | 624 | ///Use it to show the edges as a pair of directed ones. |
---|
[133] | 625 | /// |
---|
| 626 | ///This setting is the default for digraphs. |
---|
| 627 | /// |
---|
| 628 | ///\sa undirected() |
---|
[131] | 629 | GraphToEps<T> &directed(bool b=true) {_undirected=!b;return *this;} |
---|
[209] | 630 | |
---|
[128] | 631 | ///Sets the title. |
---|
| 632 | |
---|
| 633 | ///Sets the title of the generated image, |
---|
| 634 | ///namely it inserts a <tt>%%Title:</tt> DSC field to the header of |
---|
| 635 | ///the EPS file. |
---|
| 636 | GraphToEps<T> &title(const std::string &t) {_title=t;return *this;} |
---|
| 637 | ///Sets the copyright statement. |
---|
| 638 | |
---|
| 639 | ///Sets the copyright statement of the generated image, |
---|
| 640 | ///namely it inserts a <tt>%%Copyright:</tt> DSC field to the header of |
---|
| 641 | ///the EPS file. |
---|
| 642 | GraphToEps<T> ©right(const std::string &t) {_copyright=t;return *this;} |
---|
| 643 | |
---|
| 644 | protected: |
---|
[209] | 645 | bool isInsideNode(dim2::Point<double> p, double r,int t) |
---|
[128] | 646 | { |
---|
| 647 | switch(t) { |
---|
| 648 | case CIRCLE: |
---|
| 649 | case MALE: |
---|
| 650 | case FEMALE: |
---|
| 651 | return p.normSquare()<=r*r; |
---|
| 652 | case SQUARE: |
---|
| 653 | return p.x<=r&&p.x>=-r&&p.y<=r&&p.y>=-r; |
---|
| 654 | case DIAMOND: |
---|
| 655 | return p.x+p.y<=r && p.x-p.y<=r && -p.x+p.y<=r && -p.x-p.y<=r; |
---|
| 656 | } |
---|
| 657 | return false; |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | public: |
---|
| 661 | ~GraphToEps() { } |
---|
[209] | 662 | |
---|
[128] | 663 | ///Draws the graph. |
---|
| 664 | |
---|
| 665 | ///Like other functions using |
---|
| 666 | ///\ref named-templ-func-param "named template parameters", |
---|
[133] | 667 | ///this function calls the algorithm itself, i.e. in this case |
---|
[128] | 668 | ///it draws the graph. |
---|
| 669 | void run() { |
---|
| 670 | const double EPSILON=1e-9; |
---|
| 671 | if(dontPrint) return; |
---|
[209] | 672 | |
---|
[131] | 673 | _graph_to_eps_bits::_NegY<typename T::CoordsMapType> |
---|
| 674 | mycoords(_coords,_negY); |
---|
[128] | 675 | |
---|
| 676 | os << "%!PS-Adobe-2.0 EPSF-2.0\n"; |
---|
| 677 | if(_title.size()>0) os << "%%Title: " << _title << '\n'; |
---|
| 678 | if(_copyright.size()>0) os << "%%Copyright: " << _copyright << '\n'; |
---|
| 679 | os << "%%Creator: LEMON, graphToEps()\n"; |
---|
[134] | 680 | |
---|
[209] | 681 | { |
---|
| 682 | #ifndef WIN32 |
---|
[128] | 683 | timeval tv; |
---|
| 684 | gettimeofday(&tv, 0); |
---|
[134] | 685 | |
---|
| 686 | char cbuf[26]; |
---|
[128] | 687 | ctime_r(&tv.tv_sec,cbuf); |
---|
| 688 | os << "%%CreationDate: " << cbuf; |
---|
[134] | 689 | #else |
---|
| 690 | SYSTEMTIME time; |
---|
| 691 | char buf1[11], buf2[9], buf3[5]; |
---|
[209] | 692 | |
---|
[134] | 693 | GetSystemTime(&time); |
---|
[209] | 694 | if (GetDateFormat(LOCALE_USER_DEFAULT, 0, &time, |
---|
| 695 | "ddd MMM dd", buf1, 11) && |
---|
| 696 | GetTimeFormat(LOCALE_USER_DEFAULT, 0, &time, |
---|
| 697 | "HH':'mm':'ss", buf2, 9) && |
---|
| 698 | GetDateFormat(LOCALE_USER_DEFAULT, 0, &time, |
---|
| 699 | "yyyy", buf3, 5)) { |
---|
| 700 | os << "%%CreationDate: " << buf1 << ' ' |
---|
| 701 | << buf2 << ' ' << buf3 << std::endl; |
---|
| 702 | } |
---|
[134] | 703 | #endif |
---|
[128] | 704 | } |
---|
| 705 | |
---|
| 706 | if (_autoArcWidthScale) { |
---|
| 707 | double max_w=0; |
---|
| 708 | for(ArcIt e(g);e!=INVALID;++e) |
---|
[209] | 709 | max_w=std::max(double(_arcWidths[e]),max_w); |
---|
[128] | 710 | if(max_w>EPSILON) { |
---|
[209] | 711 | _arcWidthScale/=max_w; |
---|
[128] | 712 | } |
---|
| 713 | } |
---|
| 714 | |
---|
| 715 | if (_autoNodeScale) { |
---|
| 716 | double max_s=0; |
---|
| 717 | for(NodeIt n(g);n!=INVALID;++n) |
---|
[209] | 718 | max_s=std::max(double(_nodeSizes[n]),max_s); |
---|
[128] | 719 | if(max_s>EPSILON) { |
---|
[209] | 720 | _nodeScale/=max_s; |
---|
[128] | 721 | } |
---|
| 722 | } |
---|
| 723 | |
---|
| 724 | double diag_len = 1; |
---|
| 725 | if(!(_absoluteNodeSizes&&_absoluteArcWidths)) { |
---|
[253] | 726 | dim2::Box<double> bb; |
---|
[128] | 727 | for(NodeIt n(g);n!=INVALID;++n) bb.add(mycoords[n]); |
---|
| 728 | if (bb.empty()) { |
---|
[253] | 729 | bb = dim2::Box<double>(dim2::Point<double>(0,0)); |
---|
[128] | 730 | } |
---|
| 731 | diag_len = std::sqrt((bb.bottomLeft()-bb.topRight()).normSquare()); |
---|
| 732 | if(diag_len<EPSILON) diag_len = 1; |
---|
| 733 | if(!_absoluteNodeSizes) _nodeScale*=diag_len; |
---|
| 734 | if(!_absoluteArcWidths) _arcWidthScale*=diag_len; |
---|
| 735 | } |
---|
[209] | 736 | |
---|
[253] | 737 | dim2::Box<double> bb; |
---|
[128] | 738 | for(NodeIt n(g);n!=INVALID;++n) { |
---|
| 739 | double ns=_nodeSizes[n]*_nodeScale; |
---|
| 740 | dim2::Point<double> p(ns,ns); |
---|
| 741 | switch(_nodeShapes[n]) { |
---|
| 742 | case CIRCLE: |
---|
| 743 | case SQUARE: |
---|
| 744 | case DIAMOND: |
---|
[209] | 745 | bb.add(p+mycoords[n]); |
---|
| 746 | bb.add(-p+mycoords[n]); |
---|
| 747 | break; |
---|
[128] | 748 | case MALE: |
---|
[209] | 749 | bb.add(-p+mycoords[n]); |
---|
| 750 | bb.add(dim2::Point<double>(1.5*ns,1.5*std::sqrt(3.0)*ns)+mycoords[n]); |
---|
| 751 | break; |
---|
[128] | 752 | case FEMALE: |
---|
[209] | 753 | bb.add(p+mycoords[n]); |
---|
| 754 | bb.add(dim2::Point<double>(-ns,-3.01*ns)+mycoords[n]); |
---|
| 755 | break; |
---|
[128] | 756 | } |
---|
| 757 | } |
---|
| 758 | if (bb.empty()) { |
---|
[253] | 759 | bb = dim2::Box<double>(dim2::Point<double>(0,0)); |
---|
[128] | 760 | } |
---|
[209] | 761 | |
---|
[128] | 762 | if(_scaleToA4) |
---|
| 763 | os <<"%%BoundingBox: 0 0 596 842\n%%DocumentPaperSizes: a4\n"; |
---|
| 764 | else { |
---|
| 765 | if(_preScale) { |
---|
[209] | 766 | //Rescale so that BoundingBox won't be neither to big nor too small. |
---|
| 767 | while(bb.height()*_scale>1000||bb.width()*_scale>1000) _scale/=10; |
---|
| 768 | while(bb.height()*_scale<100||bb.width()*_scale<100) _scale*=10; |
---|
[128] | 769 | } |
---|
[209] | 770 | |
---|
[128] | 771 | os << "%%BoundingBox: " |
---|
[209] | 772 | << int(floor(bb.left() * _scale - _xBorder)) << ' ' |
---|
| 773 | << int(floor(bb.bottom() * _scale - _yBorder)) << ' ' |
---|
| 774 | << int(ceil(bb.right() * _scale + _xBorder)) << ' ' |
---|
| 775 | << int(ceil(bb.top() * _scale + _yBorder)) << '\n'; |
---|
[128] | 776 | } |
---|
[209] | 777 | |
---|
[128] | 778 | os << "%%EndComments\n"; |
---|
[209] | 779 | |
---|
[128] | 780 | //x1 y1 x2 y2 x3 y3 cr cg cb w |
---|
| 781 | os << "/lb { setlinewidth setrgbcolor newpath moveto\n" |
---|
| 782 | << " 4 2 roll 1 index 1 index curveto stroke } bind def\n"; |
---|
[210] | 783 | os << "/l { setlinewidth setrgbcolor newpath moveto lineto stroke }" |
---|
| 784 | << " bind def\n"; |
---|
[128] | 785 | //x y r |
---|
[210] | 786 | os << "/c { newpath dup 3 index add 2 index moveto 0 360 arc closepath }" |
---|
| 787 | << " bind def\n"; |
---|
[128] | 788 | //x y r |
---|
| 789 | os << "/sq { newpath 2 index 1 index add 2 index 2 index add moveto\n" |
---|
| 790 | << " 2 index 1 index sub 2 index 2 index add lineto\n" |
---|
| 791 | << " 2 index 1 index sub 2 index 2 index sub lineto\n" |
---|
| 792 | << " 2 index 1 index add 2 index 2 index sub lineto\n" |
---|
| 793 | << " closepath pop pop pop} bind def\n"; |
---|
| 794 | //x y r |
---|
| 795 | os << "/di { newpath 2 index 1 index add 2 index moveto\n" |
---|
| 796 | << " 2 index 2 index 2 index add lineto\n" |
---|
| 797 | << " 2 index 1 index sub 2 index lineto\n" |
---|
| 798 | << " 2 index 2 index 2 index sub lineto\n" |
---|
| 799 | << " closepath pop pop pop} bind def\n"; |
---|
| 800 | // x y r cr cg cb |
---|
| 801 | os << "/nc { 0 0 0 setrgbcolor 5 index 5 index 5 index c fill\n" |
---|
| 802 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
| 803 | << " } bind def\n"; |
---|
| 804 | os << "/nsq { 0 0 0 setrgbcolor 5 index 5 index 5 index sq fill\n" |
---|
| 805 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div sq fill\n" |
---|
| 806 | << " } bind def\n"; |
---|
| 807 | os << "/ndi { 0 0 0 setrgbcolor 5 index 5 index 5 index di fill\n" |
---|
| 808 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div di fill\n" |
---|
| 809 | << " } bind def\n"; |
---|
| 810 | os << "/nfemale { 0 0 0 setrgbcolor 3 index " |
---|
| 811 | << _nodeBorderQuotient/(1+_nodeBorderQuotient) |
---|
| 812 | << " 1.5 mul mul setlinewidth\n" |
---|
| 813 | << " newpath 5 index 5 index moveto " |
---|
| 814 | << "5 index 5 index 5 index 3.01 mul sub\n" |
---|
[210] | 815 | << " lineto 5 index 4 index .7 mul sub 5 index 5 index 2.2 mul sub" |
---|
| 816 | << " moveto\n" |
---|
| 817 | << " 5 index 4 index .7 mul add 5 index 5 index 2.2 mul sub lineto " |
---|
| 818 | << "stroke\n" |
---|
[128] | 819 | << " 5 index 5 index 5 index c fill\n" |
---|
| 820 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
| 821 | << " } bind def\n"; |
---|
| 822 | os << "/nmale {\n" |
---|
| 823 | << " 0 0 0 setrgbcolor 3 index " |
---|
| 824 | << _nodeBorderQuotient/(1+_nodeBorderQuotient) |
---|
| 825 | <<" 1.5 mul mul setlinewidth\n" |
---|
| 826 | << " newpath 5 index 5 index moveto\n" |
---|
| 827 | << " 5 index 4 index 1 mul 1.5 mul add\n" |
---|
| 828 | << " 5 index 5 index 3 sqrt 1.5 mul mul add\n" |
---|
| 829 | << " 1 index 1 index lineto\n" |
---|
| 830 | << " 1 index 1 index 7 index sub moveto\n" |
---|
| 831 | << " 1 index 1 index lineto\n" |
---|
[210] | 832 | << " exch 5 index 3 sqrt .5 mul mul sub exch 5 index .5 mul sub" |
---|
| 833 | << " lineto\n" |
---|
[128] | 834 | << " stroke\n" |
---|
| 835 | << " 5 index 5 index 5 index c fill\n" |
---|
| 836 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
| 837 | << " } bind def\n"; |
---|
[209] | 838 | |
---|
[128] | 839 | |
---|
| 840 | os << "/arrl " << _arrowLength << " def\n"; |
---|
| 841 | os << "/arrw " << _arrowWidth << " def\n"; |
---|
| 842 | // l dx_norm dy_norm |
---|
| 843 | os << "/lrl { 2 index mul exch 2 index mul exch rlineto pop} bind def\n"; |
---|
| 844 | //len w dx_norm dy_norm x1 y1 cr cg cb |
---|
[210] | 845 | os << "/arr { setrgbcolor /y1 exch def /x1 exch def /dy exch def /dx " |
---|
| 846 | << "exch def\n" |
---|
[128] | 847 | << " /w exch def /len exch def\n" |
---|
[210] | 848 | //<< "0.1 setlinewidth x1 y1 moveto dx len mul dy len mul rlineto stroke" |
---|
[128] | 849 | << " newpath x1 dy w 2 div mul add y1 dx w 2 div mul sub moveto\n" |
---|
| 850 | << " len w sub arrl sub dx dy lrl\n" |
---|
| 851 | << " arrw dy dx neg lrl\n" |
---|
| 852 | << " dx arrl w add mul dy w 2 div arrw add mul sub\n" |
---|
| 853 | << " dy arrl w add mul dx w 2 div arrw add mul add rlineto\n" |
---|
| 854 | << " dx arrl w add mul neg dy w 2 div arrw add mul sub\n" |
---|
| 855 | << " dy arrl w add mul neg dx w 2 div arrw add mul add rlineto\n" |
---|
| 856 | << " arrw dy dx neg lrl\n" |
---|
| 857 | << " len w sub arrl sub neg dx dy lrl\n" |
---|
| 858 | << " closepath fill } bind def\n"; |
---|
| 859 | os << "/cshow { 2 index 2 index moveto dup stringwidth pop\n" |
---|
| 860 | << " neg 2 div fosi .35 mul neg rmoveto show pop pop} def\n"; |
---|
| 861 | |
---|
| 862 | os << "\ngsave\n"; |
---|
| 863 | if(_scaleToA4) |
---|
| 864 | if(bb.height()>bb.width()) { |
---|
[209] | 865 | double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.height(), |
---|
| 866 | (A4WIDTH-2*A4BORDER)/bb.width()); |
---|
| 867 | os << ((A4WIDTH -2*A4BORDER)-sc*bb.width())/2 + A4BORDER << ' ' |
---|
| 868 | << ((A4HEIGHT-2*A4BORDER)-sc*bb.height())/2 + A4BORDER |
---|
| 869 | << " translate\n" |
---|
| 870 | << sc << " dup scale\n" |
---|
| 871 | << -bb.left() << ' ' << -bb.bottom() << " translate\n"; |
---|
[128] | 872 | } |
---|
| 873 | else { |
---|
[209] | 874 | double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.width(), |
---|
| 875 | (A4WIDTH-2*A4BORDER)/bb.height()); |
---|
| 876 | os << ((A4WIDTH -2*A4BORDER)-sc*bb.height())/2 + A4BORDER << ' ' |
---|
| 877 | << ((A4HEIGHT-2*A4BORDER)-sc*bb.width())/2 + A4BORDER |
---|
| 878 | << " translate\n" |
---|
| 879 | << sc << " dup scale\n90 rotate\n" |
---|
| 880 | << -bb.left() << ' ' << -bb.top() << " translate\n"; |
---|
| 881 | } |
---|
[128] | 882 | else if(_scale!=1.0) os << _scale << " dup scale\n"; |
---|
[209] | 883 | |
---|
[128] | 884 | if(_showArcs) { |
---|
[209] | 885 | os << "%Arcs:\ngsave\n"; |
---|
[128] | 886 | if(_enableParallel) { |
---|
[209] | 887 | std::vector<Arc> el; |
---|
| 888 | for(ArcIt e(g);e!=INVALID;++e) |
---|
| 889 | if((!_undirected||g.source(e)<g.target(e))&&_arcWidths[e]>0 |
---|
| 890 | &&g.source(e)!=g.target(e)) |
---|
| 891 | el.push_back(e); |
---|
| 892 | std::sort(el.begin(),el.end(),arcLess(g)); |
---|
[128] | 893 | |
---|
[209] | 894 | typename std::vector<Arc>::iterator j; |
---|
| 895 | for(typename std::vector<Arc>::iterator i=el.begin();i!=el.end();i=j) { |
---|
| 896 | for(j=i+1;j!=el.end()&&isParallel(*i,*j);++j) ; |
---|
[128] | 897 | |
---|
[209] | 898 | double sw=0; |
---|
| 899 | for(typename std::vector<Arc>::iterator e=i;e!=j;++e) |
---|
| 900 | sw+=_arcWidths[*e]*_arcWidthScale+_parArcDist; |
---|
| 901 | sw-=_parArcDist; |
---|
| 902 | sw/=-2.0; |
---|
| 903 | dim2::Point<double> |
---|
| 904 | dvec(mycoords[g.target(*i)]-mycoords[g.source(*i)]); |
---|
| 905 | double l=std::sqrt(dvec.normSquare()); |
---|
| 906 | dim2::Point<double> d(dvec/std::max(l,EPSILON)); |
---|
[212] | 907 | dim2::Point<double> m; |
---|
[210] | 908 | // m=dim2::Point<double>(mycoords[g.target(*i)]+ |
---|
| 909 | // mycoords[g.source(*i)])/2.0; |
---|
[128] | 910 | |
---|
[209] | 911 | // m=dim2::Point<double>(mycoords[g.source(*i)])+ |
---|
| 912 | // dvec*(double(_nodeSizes[g.source(*i)])/ |
---|
| 913 | // (_nodeSizes[g.source(*i)]+_nodeSizes[g.target(*i)])); |
---|
[128] | 914 | |
---|
[212] | 915 | m=dim2::Point<double>(mycoords[g.source(*i)])+ |
---|
[209] | 916 | d*(l+_nodeSizes[g.source(*i)]-_nodeSizes[g.target(*i)])/2.0; |
---|
| 917 | |
---|
| 918 | for(typename std::vector<Arc>::iterator e=i;e!=j;++e) { |
---|
| 919 | sw+=_arcWidths[*e]*_arcWidthScale/2.0; |
---|
| 920 | dim2::Point<double> mm=m+rot90(d)*sw/.75; |
---|
| 921 | if(_drawArrows) { |
---|
| 922 | int node_shape; |
---|
| 923 | dim2::Point<double> s=mycoords[g.source(*e)]; |
---|
| 924 | dim2::Point<double> t=mycoords[g.target(*e)]; |
---|
| 925 | double rn=_nodeSizes[g.target(*e)]*_nodeScale; |
---|
| 926 | node_shape=_nodeShapes[g.target(*e)]; |
---|
| 927 | dim2::Bezier3 bez(s,mm,mm,t); |
---|
| 928 | double t1=0,t2=1; |
---|
| 929 | for(int ii=0;ii<INTERPOL_PREC;++ii) |
---|
| 930 | if(isInsideNode(bez((t1+t2)/2)-t,rn,node_shape)) t2=(t1+t2)/2; |
---|
| 931 | else t1=(t1+t2)/2; |
---|
| 932 | dim2::Point<double> apoint=bez((t1+t2)/2); |
---|
| 933 | rn = _arrowLength+_arcWidths[*e]*_arcWidthScale; |
---|
| 934 | rn*=rn; |
---|
| 935 | t2=(t1+t2)/2;t1=0; |
---|
| 936 | for(int ii=0;ii<INTERPOL_PREC;++ii) |
---|
| 937 | if((bez((t1+t2)/2)-apoint).normSquare()>rn) t1=(t1+t2)/2; |
---|
| 938 | else t2=(t1+t2)/2; |
---|
| 939 | dim2::Point<double> linend=bez((t1+t2)/2); |
---|
| 940 | bez=bez.before((t1+t2)/2); |
---|
| 941 | // rn=_nodeSizes[g.source(*e)]*_nodeScale; |
---|
| 942 | // node_shape=_nodeShapes[g.source(*e)]; |
---|
| 943 | // t1=0;t2=1; |
---|
| 944 | // for(int i=0;i<INTERPOL_PREC;++i) |
---|
[210] | 945 | // if(isInsideNode(bez((t1+t2)/2)-t,rn,node_shape)) |
---|
| 946 | // t1=(t1+t2)/2; |
---|
[209] | 947 | // else t2=(t1+t2)/2; |
---|
| 948 | // bez=bez.after((t1+t2)/2); |
---|
| 949 | os << _arcWidths[*e]*_arcWidthScale << " setlinewidth " |
---|
| 950 | << _arcColors[*e].red() << ' ' |
---|
| 951 | << _arcColors[*e].green() << ' ' |
---|
| 952 | << _arcColors[*e].blue() << " setrgbcolor newpath\n" |
---|
| 953 | << bez.p1.x << ' ' << bez.p1.y << " moveto\n" |
---|
| 954 | << bez.p2.x << ' ' << bez.p2.y << ' ' |
---|
| 955 | << bez.p3.x << ' ' << bez.p3.y << ' ' |
---|
| 956 | << bez.p4.x << ' ' << bez.p4.y << " curveto stroke\n"; |
---|
| 957 | dim2::Point<double> dd(rot90(linend-apoint)); |
---|
| 958 | dd*=(.5*_arcWidths[*e]*_arcWidthScale+_arrowWidth)/ |
---|
| 959 | std::sqrt(dd.normSquare()); |
---|
| 960 | os << "newpath " << psOut(apoint) << " moveto " |
---|
| 961 | << psOut(linend+dd) << " lineto " |
---|
| 962 | << psOut(linend-dd) << " lineto closepath fill\n"; |
---|
| 963 | } |
---|
| 964 | else { |
---|
| 965 | os << mycoords[g.source(*e)].x << ' ' |
---|
| 966 | << mycoords[g.source(*e)].y << ' ' |
---|
| 967 | << mm.x << ' ' << mm.y << ' ' |
---|
| 968 | << mycoords[g.target(*e)].x << ' ' |
---|
| 969 | << mycoords[g.target(*e)].y << ' ' |
---|
| 970 | << _arcColors[*e].red() << ' ' |
---|
| 971 | << _arcColors[*e].green() << ' ' |
---|
| 972 | << _arcColors[*e].blue() << ' ' |
---|
| 973 | << _arcWidths[*e]*_arcWidthScale << " lb\n"; |
---|
| 974 | } |
---|
| 975 | sw+=_arcWidths[*e]*_arcWidthScale/2.0+_parArcDist; |
---|
| 976 | } |
---|
| 977 | } |
---|
[128] | 978 | } |
---|
| 979 | else for(ArcIt e(g);e!=INVALID;++e) |
---|
[209] | 980 | if((!_undirected||g.source(e)<g.target(e))&&_arcWidths[e]>0 |
---|
| 981 | &&g.source(e)!=g.target(e)) { |
---|
| 982 | if(_drawArrows) { |
---|
| 983 | dim2::Point<double> d(mycoords[g.target(e)]-mycoords[g.source(e)]); |
---|
| 984 | double rn=_nodeSizes[g.target(e)]*_nodeScale; |
---|
| 985 | int node_shape=_nodeShapes[g.target(e)]; |
---|
| 986 | double t1=0,t2=1; |
---|
| 987 | for(int i=0;i<INTERPOL_PREC;++i) |
---|
| 988 | if(isInsideNode((-(t1+t2)/2)*d,rn,node_shape)) t1=(t1+t2)/2; |
---|
| 989 | else t2=(t1+t2)/2; |
---|
| 990 | double l=std::sqrt(d.normSquare()); |
---|
| 991 | d/=l; |
---|
| 992 | |
---|
| 993 | os << l*(1-(t1+t2)/2) << ' ' |
---|
| 994 | << _arcWidths[e]*_arcWidthScale << ' ' |
---|
| 995 | << d.x << ' ' << d.y << ' ' |
---|
| 996 | << mycoords[g.source(e)].x << ' ' |
---|
| 997 | << mycoords[g.source(e)].y << ' ' |
---|
| 998 | << _arcColors[e].red() << ' ' |
---|
| 999 | << _arcColors[e].green() << ' ' |
---|
| 1000 | << _arcColors[e].blue() << " arr\n"; |
---|
| 1001 | } |
---|
| 1002 | else os << mycoords[g.source(e)].x << ' ' |
---|
| 1003 | << mycoords[g.source(e)].y << ' ' |
---|
| 1004 | << mycoords[g.target(e)].x << ' ' |
---|
| 1005 | << mycoords[g.target(e)].y << ' ' |
---|
| 1006 | << _arcColors[e].red() << ' ' |
---|
| 1007 | << _arcColors[e].green() << ' ' |
---|
| 1008 | << _arcColors[e].blue() << ' ' |
---|
| 1009 | << _arcWidths[e]*_arcWidthScale << " l\n"; |
---|
| 1010 | } |
---|
[128] | 1011 | os << "grestore\n"; |
---|
| 1012 | } |
---|
| 1013 | if(_showNodes) { |
---|
| 1014 | os << "%Nodes:\ngsave\n"; |
---|
| 1015 | for(NodeIt n(g);n!=INVALID;++n) { |
---|
[209] | 1016 | os << mycoords[n].x << ' ' << mycoords[n].y << ' ' |
---|
| 1017 | << _nodeSizes[n]*_nodeScale << ' ' |
---|
| 1018 | << _nodeColors[n].red() << ' ' |
---|
| 1019 | << _nodeColors[n].green() << ' ' |
---|
| 1020 | << _nodeColors[n].blue() << ' '; |
---|
| 1021 | switch(_nodeShapes[n]) { |
---|
| 1022 | case CIRCLE: |
---|
| 1023 | os<< "nc";break; |
---|
| 1024 | case SQUARE: |
---|
| 1025 | os<< "nsq";break; |
---|
| 1026 | case DIAMOND: |
---|
| 1027 | os<< "ndi";break; |
---|
| 1028 | case MALE: |
---|
| 1029 | os<< "nmale";break; |
---|
| 1030 | case FEMALE: |
---|
| 1031 | os<< "nfemale";break; |
---|
| 1032 | } |
---|
| 1033 | os<<'\n'; |
---|
[128] | 1034 | } |
---|
| 1035 | os << "grestore\n"; |
---|
| 1036 | } |
---|
| 1037 | if(_showNodeText) { |
---|
| 1038 | os << "%Node texts:\ngsave\n"; |
---|
| 1039 | os << "/fosi " << _nodeTextSize << " def\n"; |
---|
| 1040 | os << "(Helvetica) findfont fosi scalefont setfont\n"; |
---|
| 1041 | for(NodeIt n(g);n!=INVALID;++n) { |
---|
[209] | 1042 | switch(_nodeTextColorType) { |
---|
| 1043 | case DIST_COL: |
---|
| 1044 | os << psOut(distantColor(_nodeColors[n])) << " setrgbcolor\n"; |
---|
| 1045 | break; |
---|
| 1046 | case DIST_BW: |
---|
| 1047 | os << psOut(distantBW(_nodeColors[n])) << " setrgbcolor\n"; |
---|
| 1048 | break; |
---|
| 1049 | case CUST_COL: |
---|
| 1050 | os << psOut(distantColor(_nodeTextColors[n])) << " setrgbcolor\n"; |
---|
| 1051 | break; |
---|
| 1052 | default: |
---|
| 1053 | os << "0 0 0 setrgbcolor\n"; |
---|
| 1054 | } |
---|
| 1055 | os << mycoords[n].x << ' ' << mycoords[n].y |
---|
| 1056 | << " (" << _nodeTexts[n] << ") cshow\n"; |
---|
[128] | 1057 | } |
---|
| 1058 | os << "grestore\n"; |
---|
| 1059 | } |
---|
| 1060 | if(_showNodePsText) { |
---|
| 1061 | os << "%Node PS blocks:\ngsave\n"; |
---|
| 1062 | for(NodeIt n(g);n!=INVALID;++n) |
---|
[209] | 1063 | os << mycoords[n].x << ' ' << mycoords[n].y |
---|
| 1064 | << " moveto\n" << _nodePsTexts[n] << "\n"; |
---|
[128] | 1065 | os << "grestore\n"; |
---|
| 1066 | } |
---|
[209] | 1067 | |
---|
[128] | 1068 | os << "grestore\nshowpage\n"; |
---|
| 1069 | |
---|
| 1070 | //CleanUp: |
---|
| 1071 | if(_pleaseRemoveOsStream) {delete &os;} |
---|
[130] | 1072 | } |
---|
| 1073 | |
---|
| 1074 | ///\name Aliases |
---|
| 1075 | ///These are just some aliases to other parameter setting functions. |
---|
| 1076 | |
---|
| 1077 | ///@{ |
---|
| 1078 | |
---|
| 1079 | ///An alias for arcWidths() |
---|
| 1080 | template<class X> GraphToEps<ArcWidthsTraits<X> > edgeWidths(const X &x) |
---|
| 1081 | { |
---|
| 1082 | return arcWidths(x); |
---|
| 1083 | } |
---|
| 1084 | |
---|
| 1085 | ///An alias for arcColors() |
---|
| 1086 | template<class X> GraphToEps<ArcColorsTraits<X> > |
---|
| 1087 | edgeColors(const X &x) |
---|
| 1088 | { |
---|
| 1089 | return arcColors(x); |
---|
| 1090 | } |
---|
| 1091 | |
---|
| 1092 | ///An alias for arcWidthScale() |
---|
| 1093 | GraphToEps<T> &edgeWidthScale(double d) {return arcWidthScale(d);} |
---|
| 1094 | |
---|
| 1095 | ///An alias for autoArcWidthScale() |
---|
| 1096 | GraphToEps<T> &autoEdgeWidthScale(bool b=true) |
---|
| 1097 | { |
---|
| 1098 | return autoArcWidthScale(b); |
---|
| 1099 | } |
---|
[209] | 1100 | |
---|
[130] | 1101 | ///An alias for absoluteArcWidths() |
---|
| 1102 | GraphToEps<T> &absoluteEdgeWidths(bool b=true) |
---|
| 1103 | { |
---|
| 1104 | return absoluteArcWidths(b); |
---|
| 1105 | } |
---|
[209] | 1106 | |
---|
[130] | 1107 | ///An alias for parArcDist() |
---|
| 1108 | GraphToEps<T> &parEdgeDist(double d) {return parArcDist(d);} |
---|
[209] | 1109 | |
---|
[130] | 1110 | ///An alias for hideArcs() |
---|
| 1111 | GraphToEps<T> &hideEdges(bool b=true) {return hideArcs(b);} |
---|
| 1112 | |
---|
| 1113 | ///@} |
---|
[128] | 1114 | }; |
---|
| 1115 | |
---|
| 1116 | template<class T> |
---|
| 1117 | const int GraphToEps<T>::INTERPOL_PREC = 20; |
---|
| 1118 | template<class T> |
---|
| 1119 | const double GraphToEps<T>::A4HEIGHT = 841.8897637795276; |
---|
| 1120 | template<class T> |
---|
| 1121 | const double GraphToEps<T>::A4WIDTH = 595.275590551181; |
---|
| 1122 | template<class T> |
---|
| 1123 | const double GraphToEps<T>::A4BORDER = 15; |
---|
| 1124 | |
---|
| 1125 | |
---|
| 1126 | ///Generates an EPS file from a graph |
---|
| 1127 | |
---|
| 1128 | ///\ingroup eps_io |
---|
| 1129 | ///Generates an EPS file from a graph. |
---|
[206] | 1130 | ///\param g Reference to the graph to be printed. |
---|
| 1131 | ///\param os Reference to the output stream. |
---|
| 1132 | ///By default it is <tt>std::cout</tt>. |
---|
[128] | 1133 | /// |
---|
| 1134 | ///This function also has a lot of |
---|
| 1135 | ///\ref named-templ-func-param "named parameters", |
---|
| 1136 | ///they are declared as the members of class \ref GraphToEps. The following |
---|
| 1137 | ///example shows how to use these parameters. |
---|
| 1138 | ///\code |
---|
| 1139 | /// graphToEps(g,os).scale(10).coords(coords) |
---|
| 1140 | /// .nodeScale(2).nodeSizes(sizes) |
---|
| 1141 | /// .arcWidthScale(.4).run(); |
---|
| 1142 | ///\endcode |
---|
[206] | 1143 | /// |
---|
| 1144 | ///For more detailed examples see the \ref graph_to_eps_demo.cc demo file. |
---|
| 1145 | /// |
---|
[128] | 1146 | ///\warning Don't forget to put the \ref GraphToEps::run() "run()" |
---|
| 1147 | ///to the end of the parameter list. |
---|
| 1148 | ///\sa GraphToEps |
---|
| 1149 | ///\sa graphToEps(G &g, const char *file_name) |
---|
| 1150 | template<class G> |
---|
[209] | 1151 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[128] | 1152 | graphToEps(G &g, std::ostream& os=std::cout) |
---|
| 1153 | { |
---|
[209] | 1154 | return |
---|
[128] | 1155 | GraphToEps<DefaultGraphToEpsTraits<G> >(DefaultGraphToEpsTraits<G>(g,os)); |
---|
| 1156 | } |
---|
[209] | 1157 | |
---|
[128] | 1158 | ///Generates an EPS file from a graph |
---|
| 1159 | |
---|
| 1160 | ///\ingroup eps_io |
---|
| 1161 | ///This function does the same as |
---|
| 1162 | ///\ref graphToEps(G &g,std::ostream& os) |
---|
| 1163 | ///but it writes its output into the file \c file_name |
---|
| 1164 | ///instead of a stream. |
---|
| 1165 | ///\sa graphToEps(G &g, std::ostream& os) |
---|
| 1166 | template<class G> |
---|
[209] | 1167 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[128] | 1168 | graphToEps(G &g,const char *file_name) |
---|
| 1169 | { |
---|
[290] | 1170 | std::ostream* os = new std::ofstream(file_name); |
---|
| 1171 | if (!(*os)) { |
---|
| 1172 | delete os; |
---|
[291] | 1173 | throw IoError("Cannot write file", file_name); |
---|
[290] | 1174 | } |
---|
[128] | 1175 | return GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[290] | 1176 | (DefaultGraphToEpsTraits<G>(g,*os,true)); |
---|
[128] | 1177 | } |
---|
| 1178 | |
---|
| 1179 | ///Generates an EPS file from a graph |
---|
| 1180 | |
---|
| 1181 | ///\ingroup eps_io |
---|
| 1182 | ///This function does the same as |
---|
| 1183 | ///\ref graphToEps(G &g,std::ostream& os) |
---|
| 1184 | ///but it writes its output into the file \c file_name |
---|
| 1185 | ///instead of a stream. |
---|
| 1186 | ///\sa graphToEps(G &g, std::ostream& os) |
---|
| 1187 | template<class G> |
---|
[209] | 1188 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[128] | 1189 | graphToEps(G &g,const std::string& file_name) |
---|
| 1190 | { |
---|
[290] | 1191 | std::ostream* os = new std::ofstream(file_name.c_str()); |
---|
| 1192 | if (!(*os)) { |
---|
| 1193 | delete os; |
---|
[291] | 1194 | throw IoError("Cannot write file", file_name); |
---|
[290] | 1195 | } |
---|
[128] | 1196 | return GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[290] | 1197 | (DefaultGraphToEpsTraits<G>(g,*os,true)); |
---|
[128] | 1198 | } |
---|
| 1199 | |
---|
| 1200 | } //END OF NAMESPACE LEMON |
---|
| 1201 | |
---|
| 1202 | #endif // LEMON_GRAPH_TO_EPS_H |
---|