[1073] | 1 | /* -*- C++ -*- |
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| 2 | * |
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[1956] | 3 | * This file is a part of LEMON, a generic C++ optimization library |
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| 4 | * |
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[2391] | 5 | * Copyright (C) 2003-2007 |
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[1956] | 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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[1359] | 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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[1073] | 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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[1108] | 22 | #include <sys/time.h> |
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| 23 | |
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[2028] | 24 | #ifdef WIN32 |
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| 25 | #include <lemon/bits/mingw32_time.h> |
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| 26 | #endif |
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| 27 | |
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[1073] | 28 | #include<iostream> |
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| 29 | #include<fstream> |
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| 30 | #include<sstream> |
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| 31 | #include<algorithm> |
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| 32 | #include<vector> |
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| 33 | |
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[1417] | 34 | #include <ctime> |
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| 35 | #include <cmath> |
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| 36 | |
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[1993] | 37 | #include<lemon/bits/invalid.h> |
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[2207] | 38 | #include<lemon/dim2.h> |
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[1073] | 39 | #include<lemon/maps.h> |
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[1971] | 40 | #include<lemon/color.h> |
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[2178] | 41 | #include<lemon/bits/bezier.h> |
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[1073] | 42 | |
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[1417] | 43 | |
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[2084] | 44 | ///\ingroup eps_io |
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[1073] | 45 | ///\file |
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| 46 | ///\brief Simple graph drawer |
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| 47 | /// |
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| 48 | ///\author Alpar Juttner |
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| 49 | |
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| 50 | namespace lemon { |
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| 51 | |
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[1673] | 52 | template<class MT> |
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| 53 | class _NegY { |
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| 54 | public: |
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| 55 | typedef typename MT::Key Key; |
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| 56 | typedef typename MT::Value Value; |
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| 57 | const MT ↦ |
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| 58 | int yscale; |
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| 59 | _NegY(const MT &m,bool b) : map(m), yscale(1-b*2) {} |
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| 60 | Value operator[](Key n) { return Value(map[n].x,map[n].y*yscale);} |
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| 61 | }; |
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| 62 | |
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[1073] | 63 | ///Default traits class of \ref GraphToEps |
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| 64 | |
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| 65 | ///Default traits class of \ref GraphToEps |
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| 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::Edge Edge; |
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| 75 | typedef typename Graph::EdgeIt EdgeIt; |
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| 76 | typedef typename Graph::InEdgeIt InEdgeIt; |
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| 77 | typedef typename Graph::OutEdgeIt OutEdgeIt; |
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| 78 | |
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| 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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| 83 | |
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[2207] | 84 | typedef ConstMap<typename Graph::Node,dim2::Point<double> > CoordsMapType; |
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[1673] | 85 | CoordsMapType _coords; |
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[1073] | 86 | ConstMap<typename Graph::Node,double > _nodeSizes; |
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[1086] | 87 | ConstMap<typename Graph::Node,int > _nodeShapes; |
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[1073] | 88 | |
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| 89 | ConstMap<typename Graph::Node,Color > _nodeColors; |
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| 90 | ConstMap<typename Graph::Edge,Color > _edgeColors; |
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| 91 | |
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| 92 | ConstMap<typename Graph::Edge,double > _edgeWidths; |
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[1103] | 93 | |
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[1073] | 94 | double _edgeWidthScale; |
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| 95 | |
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| 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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| 100 | |
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| 101 | bool _drawArrows; |
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| 102 | double _arrowLength, _arrowWidth; |
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| 103 | |
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| 104 | bool _showNodes, _showEdges; |
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| 105 | |
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| 106 | bool _enableParallel; |
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| 107 | double _parEdgeDist; |
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| 108 | |
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| 109 | bool _showNodeText; |
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| 110 | ConstMap<typename Graph::Node,bool > _nodeTexts; |
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| 111 | double _nodeTextSize; |
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| 112 | |
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[1085] | 113 | bool _showNodePsText; |
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| 114 | ConstMap<typename Graph::Node,bool > _nodePsTexts; |
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| 115 | char *_nodePsTextsPreamble; |
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| 116 | |
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[1910] | 117 | bool _undirected; |
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| 118 | |
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[1073] | 119 | bool _pleaseRemoveOsStream; |
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[1103] | 120 | |
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| 121 | bool _scaleToA4; |
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[1108] | 122 | |
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| 123 | std::string _title; |
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| 124 | std::string _copyright; |
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[1178] | 125 | |
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| 126 | enum NodeTextColorType |
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| 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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[1604] | 130 | bool _autoNodeScale; |
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| 131 | bool _autoEdgeWidthScale; |
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| 132 | |
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[2178] | 133 | bool _absoluteNodeSizes; |
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| 134 | bool _absoluteEdgeWidths; |
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| 135 | |
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[1673] | 136 | bool _negY; |
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[2379] | 137 | |
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| 138 | bool _preScale; |
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[1073] | 139 | ///Constructor |
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| 140 | |
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| 141 | ///Constructor |
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| 142 | ///\param _g is a reference to the graph to be printed |
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| 143 | ///\param _os is a reference to the output stream. |
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| 144 | ///\param _os is a reference to the output stream. |
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| 145 | ///\param _pros If it is \c true, then the \c ostream referenced by \c _os |
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| 146 | ///will be explicitly deallocated by the destructor. |
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| 147 | ///By default it is <tt>std::cout</tt> |
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| 148 | DefaultGraphToEpsTraits(const G &_g,std::ostream& _os=std::cout, |
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| 149 | bool _pros=false) : |
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| 150 | g(_g), os(_os), |
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[2207] | 151 | _coords(dim2::Point<double>(1,1)), _nodeSizes(.01), _nodeShapes(0), |
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[2174] | 152 | _nodeColors(WHITE), _edgeColors(BLACK), |
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[2178] | 153 | _edgeWidths(1.0), _edgeWidthScale(0.003), |
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[1073] | 154 | _nodeScale(1.0), _xBorder(10), _yBorder(10), _scale(1.0), |
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| 155 | _nodeBorderQuotient(.1), |
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| 156 | _drawArrows(false), _arrowLength(1), _arrowWidth(0.3), |
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| 157 | _showNodes(true), _showEdges(true), |
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| 158 | _enableParallel(false), _parEdgeDist(1), |
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| 159 | _showNodeText(false), _nodeTexts(false), _nodeTextSize(1), |
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[1085] | 160 | _showNodePsText(false), _nodePsTexts(false), _nodePsTextsPreamble(0), |
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[1910] | 161 | _undirected(false), |
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[1178] | 162 | _pleaseRemoveOsStream(_pros), _scaleToA4(false), |
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[2174] | 163 | _nodeTextColorType(SAME_COL), _nodeTextColors(BLACK), |
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[1604] | 164 | _autoNodeScale(false), |
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[1673] | 165 | _autoEdgeWidthScale(false), |
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[2178] | 166 | _absoluteNodeSizes(false), |
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| 167 | _absoluteEdgeWidths(false), |
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[2379] | 168 | _negY(false), |
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| 169 | _preScale(true) |
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[1178] | 170 | {} |
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[1073] | 171 | }; |
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| 172 | |
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| 173 | ///Helper class to implement the named parameters of \ref graphToEps() |
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| 174 | |
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| 175 | ///Helper class to implement the named parameters of \ref graphToEps() |
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| 176 | ///\todo Is 'helper class' a good name for this? |
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| 177 | /// |
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[1103] | 178 | ///\todo Follow PostScript's DSC. |
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[1107] | 179 | /// Use own dictionary. |
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| 180 | ///\todo Useful new features. |
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| 181 | /// - Linestyles: dotted, dashed etc. |
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| 182 | /// - A second color and percent value for the lines. |
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[1073] | 183 | template<class T> class GraphToEps : public T |
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| 184 | { |
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[1234] | 185 | // Can't believe it is required by the C++ standard |
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| 186 | using T::g; |
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| 187 | using T::os; |
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| 188 | |
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| 189 | using T::_coords; |
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| 190 | using T::_nodeSizes; |
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| 191 | using T::_nodeShapes; |
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| 192 | using T::_nodeColors; |
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| 193 | using T::_edgeColors; |
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| 194 | using T::_edgeWidths; |
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| 195 | |
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| 196 | using T::_edgeWidthScale; |
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| 197 | using T::_nodeScale; |
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| 198 | using T::_xBorder; |
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| 199 | using T::_yBorder; |
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| 200 | using T::_scale; |
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| 201 | using T::_nodeBorderQuotient; |
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| 202 | |
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| 203 | using T::_drawArrows; |
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| 204 | using T::_arrowLength; |
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| 205 | using T::_arrowWidth; |
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| 206 | |
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| 207 | using T::_showNodes; |
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| 208 | using T::_showEdges; |
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| 209 | |
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| 210 | using T::_enableParallel; |
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| 211 | using T::_parEdgeDist; |
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| 212 | |
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| 213 | using T::_showNodeText; |
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| 214 | using T::_nodeTexts; |
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| 215 | using T::_nodeTextSize; |
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| 216 | |
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| 217 | using T::_showNodePsText; |
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| 218 | using T::_nodePsTexts; |
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| 219 | using T::_nodePsTextsPreamble; |
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| 220 | |
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[1910] | 221 | using T::_undirected; |
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| 222 | |
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[1234] | 223 | using T::_pleaseRemoveOsStream; |
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| 224 | |
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| 225 | using T::_scaleToA4; |
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| 226 | |
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| 227 | using T::_title; |
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| 228 | using T::_copyright; |
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| 229 | |
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| 230 | using T::NodeTextColorType; |
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| 231 | using T::CUST_COL; |
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| 232 | using T::DIST_COL; |
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| 233 | using T::DIST_BW; |
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| 234 | using T::_nodeTextColorType; |
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| 235 | using T::_nodeTextColors; |
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[1604] | 236 | |
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| 237 | using T::_autoNodeScale; |
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| 238 | using T::_autoEdgeWidthScale; |
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| 239 | |
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[2178] | 240 | using T::_absoluteNodeSizes; |
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| 241 | using T::_absoluteEdgeWidths; |
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| 242 | |
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| 243 | |
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[1676] | 244 | using T::_negY; |
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[2379] | 245 | using T::_preScale; |
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[1676] | 246 | |
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[1234] | 247 | // dradnats ++C eht yb deriuqer si ti eveileb t'naC |
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| 248 | |
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[1073] | 249 | typedef typename T::Graph Graph; |
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| 250 | typedef typename Graph::Node Node; |
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| 251 | typedef typename Graph::NodeIt NodeIt; |
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| 252 | typedef typename Graph::Edge Edge; |
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| 253 | typedef typename Graph::EdgeIt EdgeIt; |
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| 254 | typedef typename Graph::InEdgeIt InEdgeIt; |
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| 255 | typedef typename Graph::OutEdgeIt OutEdgeIt; |
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| 256 | |
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[1494] | 257 | static const int INTERPOL_PREC; |
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| 258 | static const double A4HEIGHT; |
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| 259 | static const double A4WIDTH; |
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| 260 | static const double A4BORDER; |
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[1087] | 261 | |
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[1073] | 262 | bool dontPrint; |
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| 263 | |
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[1107] | 264 | public: |
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| 265 | ///Node shapes |
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| 266 | |
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| 267 | ///Node shapes |
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| 268 | /// |
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| 269 | enum NodeShapes { |
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| 270 | /// = 0 |
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| 271 | ///\image html nodeshape_0.png |
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| 272 | ///\image latex nodeshape_0.eps "CIRCLE shape (0)" width=2cm |
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| 273 | CIRCLE=0, |
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| 274 | /// = 1 |
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| 275 | ///\image html nodeshape_1.png |
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| 276 | ///\image latex nodeshape_1.eps "SQUARE shape (1)" width=2cm |
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| 277 | /// |
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| 278 | SQUARE=1, |
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| 279 | /// = 2 |
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| 280 | ///\image html nodeshape_2.png |
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| 281 | ///\image latex nodeshape_2.eps "DIAMOND shape (2)" width=2cm |
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| 282 | /// |
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[1907] | 283 | DIAMOND=2, |
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| 284 | /// = 3 |
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| 285 | ///\image html nodeshape_3.png |
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| 286 | ///\image latex nodeshape_2.eps "MALE shape (4)" width=2cm |
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| 287 | /// |
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| 288 | MALE=3, |
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| 289 | /// = 4 |
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| 290 | ///\image html nodeshape_4.png |
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| 291 | ///\image latex nodeshape_2.eps "FEMALE shape (4)" width=2cm |
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| 292 | /// |
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| 293 | FEMALE=4 |
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[1107] | 294 | }; |
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| 295 | |
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| 296 | private: |
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[1073] | 297 | class edgeLess { |
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| 298 | const Graph &g; |
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| 299 | public: |
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| 300 | edgeLess(const Graph &_g) : g(_g) {} |
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| 301 | bool operator()(Edge a,Edge b) const |
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| 302 | { |
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[1367] | 303 | Node ai=std::min(g.source(a),g.target(a)); |
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| 304 | Node aa=std::max(g.source(a),g.target(a)); |
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| 305 | Node bi=std::min(g.source(b),g.target(b)); |
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| 306 | Node ba=std::max(g.source(b),g.target(b)); |
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[1073] | 307 | return ai<bi || |
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| 308 | (ai==bi && (aa < ba || |
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| 309 | (aa==ba && ai==g.source(a) && bi==g.target(b)))); |
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| 310 | } |
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| 311 | }; |
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| 312 | bool isParallel(Edge e,Edge f) const |
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| 313 | { |
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[1234] | 314 | return (g.source(e)==g.source(f)&& |
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| 315 | g.target(e)==g.target(f)) || |
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| 316 | (g.source(e)==g.target(f)&& |
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| 317 | g.target(e)==g.source(f)); |
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[1073] | 318 | } |
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[1178] | 319 | template<class TT> |
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[2207] | 320 | static std::string psOut(const dim2::Point<TT> &p) |
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[1073] | 321 | { |
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| 322 | std::ostringstream os; |
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| 323 | os << p.x << ' ' << p.y; |
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| 324 | return os.str(); |
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| 325 | } |
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[1178] | 326 | static std::string psOut(const Color &c) |
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| 327 | { |
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| 328 | std::ostringstream os; |
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[1575] | 329 | os << c.red() << ' ' << c.green() << ' ' << c.blue(); |
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[1178] | 330 | return os.str(); |
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| 331 | } |
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[1073] | 332 | |
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| 333 | public: |
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| 334 | GraphToEps(const T &t) : T(t), dontPrint(false) {}; |
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| 335 | |
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| 336 | template<class X> struct CoordsTraits : public T { |
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[1673] | 337 | typedef X CoordsMapType; |
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[1073] | 338 | const X &_coords; |
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| 339 | CoordsTraits(const T &t,const X &x) : T(t), _coords(x) {} |
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| 340 | }; |
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| 341 | ///Sets the map of the node coordinates |
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| 342 | |
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| 343 | ///Sets the map of the node coordinates. |
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[2207] | 344 | ///\param x must be a node map with dim2::Point<double> or |
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| 345 | ///\ref dim2::Point "dim2::Point<int>" values. |
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[1073] | 346 | template<class X> GraphToEps<CoordsTraits<X> > coords(const X &x) { |
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| 347 | dontPrint=true; |
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| 348 | return GraphToEps<CoordsTraits<X> >(CoordsTraits<X>(*this,x)); |
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| 349 | } |
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| 350 | template<class X> struct NodeSizesTraits : public T { |
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| 351 | const X &_nodeSizes; |
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| 352 | NodeSizesTraits(const T &t,const X &x) : T(t), _nodeSizes(x) {} |
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| 353 | }; |
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| 354 | ///Sets the map of the node sizes |
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| 355 | |
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| 356 | ///Sets the map of the node sizes |
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| 357 | ///\param x must be a node map with \c double (or convertible) values. |
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| 358 | template<class X> GraphToEps<NodeSizesTraits<X> > nodeSizes(const X &x) |
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| 359 | { |
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| 360 | dontPrint=true; |
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| 361 | return GraphToEps<NodeSizesTraits<X> >(NodeSizesTraits<X>(*this,x)); |
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| 362 | } |
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[1086] | 363 | template<class X> struct NodeShapesTraits : public T { |
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| 364 | const X &_nodeShapes; |
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| 365 | NodeShapesTraits(const T &t,const X &x) : T(t), _nodeShapes(x) {} |
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| 366 | }; |
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| 367 | ///Sets the map of the node shapes |
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| 368 | |
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[1107] | 369 | ///Sets the map of the node shapes. |
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| 370 | ///The availabe shape values |
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| 371 | ///can be found in \ref NodeShapes "enum NodeShapes". |
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[1086] | 372 | ///\param x must be a node map with \c int (or convertible) values. |
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[1107] | 373 | ///\sa NodeShapes |
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[1086] | 374 | template<class X> GraphToEps<NodeShapesTraits<X> > nodeShapes(const X &x) |
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| 375 | { |
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| 376 | dontPrint=true; |
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| 377 | return GraphToEps<NodeShapesTraits<X> >(NodeShapesTraits<X>(*this,x)); |
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| 378 | } |
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[1073] | 379 | template<class X> struct NodeTextsTraits : public T { |
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| 380 | const X &_nodeTexts; |
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| 381 | NodeTextsTraits(const T &t,const X &x) : T(t), _nodeTexts(x) {} |
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| 382 | }; |
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| 383 | ///Sets the text printed on the nodes |
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| 384 | |
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| 385 | ///Sets the text printed on the nodes |
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| 386 | ///\param x must be a node map with type that can be pushed to a standard |
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| 387 | ///ostream. |
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| 388 | template<class X> GraphToEps<NodeTextsTraits<X> > nodeTexts(const X &x) |
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| 389 | { |
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| 390 | dontPrint=true; |
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| 391 | _showNodeText=true; |
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| 392 | return GraphToEps<NodeTextsTraits<X> >(NodeTextsTraits<X>(*this,x)); |
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| 393 | } |
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[1085] | 394 | template<class X> struct NodePsTextsTraits : public T { |
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| 395 | const X &_nodePsTexts; |
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| 396 | NodePsTextsTraits(const T &t,const X &x) : T(t), _nodePsTexts(x) {} |
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| 397 | }; |
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| 398 | ///Inserts a PostScript block to the nodes |
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| 399 | |
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| 400 | ///With this command it is possible to insert a verbatim PostScript |
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| 401 | ///block to the nodes. |
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| 402 | ///The PS current point will be moved to the centre of the node before |
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| 403 | ///the PostScript block inserted. |
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| 404 | /// |
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[1573] | 405 | ///Before and after the block a newline character is inserted so you |
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[1085] | 406 | ///don't have to bother with the separators. |
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| 407 | /// |
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| 408 | ///\param x must be a node map with type that can be pushed to a standard |
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| 409 | ///ostream. |
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| 410 | /// |
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| 411 | ///\sa nodePsTextsPreamble() |
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| 412 | ///\todo Offer the choise not to move to the centre but pass the coordinates |
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| 413 | ///to the Postscript block inserted. |
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| 414 | template<class X> GraphToEps<NodePsTextsTraits<X> > nodePsTexts(const X &x) |
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| 415 | { |
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| 416 | dontPrint=true; |
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| 417 | _showNodePsText=true; |
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| 418 | return GraphToEps<NodePsTextsTraits<X> >(NodePsTextsTraits<X>(*this,x)); |
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| 419 | } |
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| 420 | template<class X> struct EdgeWidthsTraits : public T { |
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[1073] | 421 | const X &_edgeWidths; |
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| 422 | EdgeWidthsTraits(const T &t,const X &x) : T(t), _edgeWidths(x) {} |
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| 423 | }; |
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| 424 | ///Sets the map of the edge widths |
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| 425 | |
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| 426 | ///Sets the map of the edge widths |
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| 427 | ///\param x must be a edge map with \c double (or convertible) values. |
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| 428 | template<class X> GraphToEps<EdgeWidthsTraits<X> > edgeWidths(const X &x) |
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| 429 | { |
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| 430 | dontPrint=true; |
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| 431 | return GraphToEps<EdgeWidthsTraits<X> >(EdgeWidthsTraits<X>(*this,x)); |
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| 432 | } |
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| 433 | |
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| 434 | template<class X> struct NodeColorsTraits : public T { |
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| 435 | const X &_nodeColors; |
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| 436 | NodeColorsTraits(const T &t,const X &x) : T(t), _nodeColors(x) {} |
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| 437 | }; |
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| 438 | ///Sets the map of the node colors |
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| 439 | |
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| 440 | ///Sets the map of the node colors |
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[1573] | 441 | ///\param x must be a node map with \ref Color values. |
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| 442 | /// |
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[2172] | 443 | ///\sa Palette |
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[1073] | 444 | template<class X> GraphToEps<NodeColorsTraits<X> > |
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| 445 | nodeColors(const X &x) |
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| 446 | { |
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| 447 | dontPrint=true; |
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| 448 | return GraphToEps<NodeColorsTraits<X> >(NodeColorsTraits<X>(*this,x)); |
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| 449 | } |
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[1178] | 450 | template<class X> struct NodeTextColorsTraits : public T { |
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| 451 | const X &_nodeTextColors; |
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| 452 | NodeTextColorsTraits(const T &t,const X &x) : T(t), _nodeTextColors(x) {} |
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| 453 | }; |
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| 454 | ///Sets the map of the node text colors |
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| 455 | |
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| 456 | ///Sets the map of the node text colors |
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| 457 | ///\param x must be a node map with \ref Color values. |
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[1573] | 458 | /// |
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[2172] | 459 | ///\sa Palette |
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[1178] | 460 | template<class X> GraphToEps<NodeTextColorsTraits<X> > |
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| 461 | nodeTextColors(const X &x) |
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| 462 | { |
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| 463 | dontPrint=true; |
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| 464 | _nodeTextColorType=CUST_COL; |
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| 465 | return GraphToEps<NodeTextColorsTraits<X> > |
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| 466 | (NodeTextColorsTraits<X>(*this,x)); |
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| 467 | } |
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[1073] | 468 | template<class X> struct EdgeColorsTraits : public T { |
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| 469 | const X &_edgeColors; |
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| 470 | EdgeColorsTraits(const T &t,const X &x) : T(t), _edgeColors(x) {} |
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| 471 | }; |
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| 472 | ///Sets the map of the edge colors |
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| 473 | |
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| 474 | ///Sets the map of the edge colors |
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| 475 | ///\param x must be a edge map with \ref Color values. |
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[1573] | 476 | /// |
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[2172] | 477 | ///\sa Palette |
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[1073] | 478 | template<class X> GraphToEps<EdgeColorsTraits<X> > |
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| 479 | edgeColors(const X &x) |
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| 480 | { |
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| 481 | dontPrint=true; |
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| 482 | return GraphToEps<EdgeColorsTraits<X> >(EdgeColorsTraits<X>(*this,x)); |
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| 483 | } |
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| 484 | ///Sets a global scale factor for node sizes |
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| 485 | |
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[1604] | 486 | ///Sets a global scale factor for node sizes. |
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| 487 | /// |
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| 488 | /// If nodeSizes() is not given, this function simply sets the node |
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| 489 | /// sizes to \c d. If nodeSizes() is given, but |
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| 490 | /// autoNodeScale() is not, then the node size given by |
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| 491 | /// nodeSizes() will be multiplied by the value \c d. |
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| 492 | /// If both nodeSizes() and autoNodeScale() are used, then the |
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| 493 | /// node sizes will be scaled in such a way that the greatest size will be |
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| 494 | /// equal to \c d. |
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[2178] | 495 | /// \sa nodeSizes() |
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| 496 | /// \sa autoNodeScale() |
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[1604] | 497 | GraphToEps<T> &nodeScale(double d) {_nodeScale=d;return *this;} |
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| 498 | ///Turns on/off the automatic node width scaling. |
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| 499 | |
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| 500 | ///Turns on/off the automatic node width scaling. |
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[1073] | 501 | /// |
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[1604] | 502 | ///\sa nodeScale() |
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| 503 | /// |
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| 504 | GraphToEps<T> &autoNodeScale(bool b=true) { |
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| 505 | _autoNodeScale=b;return *this; |
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| 506 | } |
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[1673] | 507 | |
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[2178] | 508 | ///Turns on/off the absolutematic node width scaling. |
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| 509 | |
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| 510 | ///Turns on/off the absolutematic node width scaling. |
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| 511 | /// |
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| 512 | ///\sa nodeScale() |
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| 513 | /// |
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| 514 | GraphToEps<T> &absoluteNodeSizes(bool b=true) { |
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| 515 | _absoluteNodeSizes=b;return *this; |
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| 516 | } |
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| 517 | |
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[1673] | 518 | ///Negates the Y coordinates. |
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| 519 | |
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| 520 | ///Negates the Y coordinates. |
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| 521 | /// |
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| 522 | ///\todo More docs. |
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| 523 | /// |
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| 524 | GraphToEps<T> &negateY(bool b=true) { |
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| 525 | _negY=b;return *this; |
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| 526 | } |
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| 527 | |
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[2388] | 528 | ///Turn on/off prescaling |
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[2379] | 529 | |
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[2388] | 530 | ///By default graphToEps() rescales the whole image in order to avoid |
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| 531 | ///very big or very small bounding boxes. |
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[2379] | 532 | /// |
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[2388] | 533 | ///This (p)rescaling can be turned off with this function. |
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[2379] | 534 | /// |
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| 535 | GraphToEps<T> &preScale(bool b=true) { |
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| 536 | _preScale=b;return *this; |
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| 537 | } |
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| 538 | |
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[1073] | 539 | ///Sets a global scale factor for edge widths |
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| 540 | |
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[1604] | 541 | /// Sets a global scale factor for edge widths. |
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[1073] | 542 | /// |
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[1604] | 543 | /// If edgeWidths() is not given, this function simply sets the edge |
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| 544 | /// widths to \c d. If edgeWidths() is given, but |
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| 545 | /// autoEdgeWidthScale() is not, then the edge withs given by |
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| 546 | /// edgeWidths() will be multiplied by the value \c d. |
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| 547 | /// If both edgeWidths() and autoEdgeWidthScale() are used, then the |
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| 548 | /// edge withs will be scaled in such a way that the greatest width will be |
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| 549 | /// equal to \c d. |
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[1073] | 550 | GraphToEps<T> &edgeWidthScale(double d) {_edgeWidthScale=d;return *this;} |
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[1604] | 551 | ///Turns on/off the automatic edge width scaling. |
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| 552 | |
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| 553 | ///Turns on/off the automatic edge width scaling. |
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| 554 | /// |
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| 555 | ///\sa edgeWidthScale() |
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| 556 | /// |
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| 557 | GraphToEps<T> &autoEdgeWidthScale(bool b=true) { |
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| 558 | _autoEdgeWidthScale=b;return *this; |
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| 559 | } |
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[2178] | 560 | ///Turns on/off the absolutematic edge width scaling. |
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| 561 | |
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| 562 | ///Turns on/off the absolutematic edge width scaling. |
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| 563 | /// |
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| 564 | ///\sa edgeWidthScale() |
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| 565 | /// |
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| 566 | GraphToEps<T> &absoluteEdgeWidths(bool b=true) { |
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| 567 | _absoluteEdgeWidths=b;return *this; |
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| 568 | } |
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[1073] | 569 | ///Sets a global scale factor for the whole picture |
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| 570 | |
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| 571 | ///Sets a global scale factor for the whole picture |
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| 572 | /// |
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[1604] | 573 | |
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[1073] | 574 | GraphToEps<T> &scale(double d) {_scale=d;return *this;} |
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| 575 | ///Sets the width of the border around the picture |
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| 576 | |
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| 577 | ///Sets the width of the border around the picture |
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| 578 | /// |
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| 579 | GraphToEps<T> &border(double b) {_xBorder=_yBorder=b;return *this;} |
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| 580 | ///Sets the width of the border around the picture |
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| 581 | |
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| 582 | ///Sets the width of the border around the picture |
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| 583 | /// |
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| 584 | GraphToEps<T> &border(double x, double y) { |
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| 585 | _xBorder=x;_yBorder=y;return *this; |
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| 586 | } |
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| 587 | ///Sets whether to draw arrows |
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| 588 | |
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| 589 | ///Sets whether to draw arrows |
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| 590 | /// |
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| 591 | GraphToEps<T> &drawArrows(bool b=true) {_drawArrows=b;return *this;} |
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| 592 | ///Sets the length of the arrowheads |
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| 593 | |
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| 594 | ///Sets the length of the arrowheads |
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| 595 | /// |
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| 596 | GraphToEps<T> &arrowLength(double d) {_arrowLength*=d;return *this;} |
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| 597 | ///Sets the width of the arrowheads |
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| 598 | |
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| 599 | ///Sets the width of the arrowheads |
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| 600 | /// |
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| 601 | GraphToEps<T> &arrowWidth(double d) {_arrowWidth*=d;return *this;} |
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| 602 | |
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[1103] | 603 | ///Scales the drawing to fit to A4 page |
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| 604 | |
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| 605 | ///Scales the drawing to fit to A4 page |
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| 606 | /// |
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| 607 | GraphToEps<T> &scaleToA4() {_scaleToA4=true;return *this;} |
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| 608 | |
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[1073] | 609 | ///Enables parallel edges |
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| 610 | |
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| 611 | ///Enables parallel edges |
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| 612 | GraphToEps<T> &enableParallel(bool b=true) {_enableParallel=b;return *this;} |
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| 613 | |
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| 614 | ///Sets the distance |
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| 615 | |
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| 616 | ///Sets the distance |
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| 617 | /// |
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| 618 | GraphToEps<T> &parEdgeDist(double d) {_parEdgeDist*=d;return *this;} |
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| 619 | |
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| 620 | ///Hides the edges |
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| 621 | |
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| 622 | ///Hides the edges |
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| 623 | /// |
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| 624 | GraphToEps<T> &hideEdges(bool b=true) {_showEdges=!b;return *this;} |
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| 625 | ///Hides the nodes |
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| 626 | |
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| 627 | ///Hides the nodes |
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| 628 | /// |
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| 629 | GraphToEps<T> &hideNodes(bool b=true) {_showNodes=!b;return *this;} |
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| 630 | |
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| 631 | ///Sets the size of the node texts |
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| 632 | |
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| 633 | ///Sets the size of the node texts |
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| 634 | /// |
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| 635 | GraphToEps<T> &nodeTextSize(double d) {_nodeTextSize=d;return *this;} |
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[1178] | 636 | |
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| 637 | ///Sets the color of the node texts to be different from the node color |
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| 638 | |
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| 639 | ///Sets the color of the node texts to be as different from the node color |
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| 640 | ///as it is possible |
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[1573] | 641 | /// |
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[1178] | 642 | GraphToEps<T> &distantColorNodeTexts() |
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| 643 | {_nodeTextColorType=DIST_COL;return *this;} |
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| 644 | ///Sets the color of the node texts to be black or white and always visible. |
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| 645 | |
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| 646 | ///Sets the color of the node texts to be black or white according to |
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| 647 | ///which is more |
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| 648 | ///different from the node color |
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| 649 | /// |
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| 650 | GraphToEps<T> &distantBWNodeTexts() |
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| 651 | {_nodeTextColorType=DIST_BW;return *this;} |
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| 652 | |
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[1085] | 653 | ///Gives a preamble block for node Postscript block. |
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| 654 | |
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| 655 | ///Gives a preamble block for node Postscript block. |
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| 656 | /// |
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| 657 | ///\sa nodePsTexts() |
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| 658 | GraphToEps<T> & nodePsTextsPreamble(const char *str) { |
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[1234] | 659 | _nodePsTextsPreamble=str ;return *this; |
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[1085] | 660 | } |
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[1073] | 661 | ///Sets whether the the graph is undirected |
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| 662 | |
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| 663 | ///Sets whether the the graph is undirected |
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| 664 | /// |
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[1910] | 665 | GraphToEps<T> &undirected(bool b=true) {_undirected=b;return *this;} |
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| 666 | |
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[1073] | 667 | ///Sets whether the the graph is directed |
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| 668 | |
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| 669 | ///Sets whether the the graph is directed. |
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| 670 | ///Use it to show the undirected edges as a pair of directed ones. |
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[1910] | 671 | GraphToEps<T> &bidir(bool b=true) {_undirected=!b;return *this;} |
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[1086] | 672 | |
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[1108] | 673 | ///Sets the title. |
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| 674 | |
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| 675 | ///Sets the title of the generated image, |
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| 676 | ///namely it inserts a <tt>%%Title:</tt> DSC field to the header of |
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| 677 | ///the EPS file. |
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| 678 | GraphToEps<T> &title(const std::string &t) {_title=t;return *this;} |
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| 679 | ///Sets the copyright statement. |
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| 680 | |
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| 681 | ///Sets the copyright statement of the generated image, |
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| 682 | ///namely it inserts a <tt>%%Copyright:</tt> DSC field to the header of |
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| 683 | ///the EPS file. |
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| 684 | ///\todo Multiline copyright notice could be supported. |
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| 685 | GraphToEps<T> ©right(const std::string &t) {_copyright=t;return *this;} |
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| 686 | |
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[1086] | 687 | protected: |
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[2207] | 688 | bool isInsideNode(dim2::Point<double> p, double r,int t) |
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[1086] | 689 | { |
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| 690 | switch(t) { |
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| 691 | case CIRCLE: |
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[1907] | 692 | case MALE: |
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| 693 | case FEMALE: |
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[1086] | 694 | return p.normSquare()<=r*r; |
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| 695 | case SQUARE: |
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| 696 | return p.x<=r&&p.x>=-r&&p.y<=r&&p.y>=-r; |
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[1088] | 697 | case DIAMOND: |
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| 698 | return p.x+p.y<=r && p.x-p.y<=r && -p.x+p.y<=r && -p.x-p.y<=r; |
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[1086] | 699 | } |
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| 700 | return false; |
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| 701 | } |
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| 702 | |
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| 703 | public: |
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[1091] | 704 | ~GraphToEps() { } |
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| 705 | |
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| 706 | ///Draws the graph. |
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| 707 | |
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| 708 | ///Like other functions using |
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| 709 | ///\ref named-templ-func-param "named template parameters", |
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| 710 | ///this function calles the algorithm itself, i.e. in this case |
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| 711 | ///it draws the graph. |
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| 712 | void run() { |
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[2178] | 713 | ///\todo better 'epsilon' would be nice here. |
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| 714 | const double EPSILON=1e-9; |
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[1073] | 715 | if(dontPrint) return; |
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| 716 | |
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[1673] | 717 | _NegY<typename T::CoordsMapType> mycoords(_coords,_negY); |
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| 718 | |
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[1073] | 719 | os << "%!PS-Adobe-2.0 EPSF-2.0\n"; |
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[1108] | 720 | if(_title.size()>0) os << "%%Title: " << _title << '\n'; |
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| 721 | if(_copyright.size()>0) os << "%%Copyright: " << _copyright << '\n'; |
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[1107] | 722 | // << "%%Copyright: XXXX\n" |
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[1575] | 723 | os << "%%Creator: LEMON, graphToEps()\n"; |
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[1108] | 724 | |
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| 725 | { |
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| 726 | char cbuf[50]; |
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| 727 | timeval tv; |
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| 728 | gettimeofday(&tv, 0); |
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| 729 | ctime_r(&tv.tv_sec,cbuf); |
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| 730 | os << "%%CreationDate: " << cbuf; |
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| 731 | } |
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[1604] | 732 | |
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| 733 | if (_autoEdgeWidthScale) { |
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| 734 | double max_w=0; |
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| 735 | for(EdgeIt e(g);e!=INVALID;++e) |
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| 736 | max_w=std::max(double(_edgeWidths[e]),max_w); |
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| 737 | ///\todo better 'epsilon' would be nice here. |
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[2178] | 738 | if(max_w>EPSILON) { |
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[1604] | 739 | _edgeWidthScale/=max_w; |
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| 740 | } |
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| 741 | } |
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| 742 | |
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| 743 | if (_autoNodeScale) { |
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| 744 | double max_s=0; |
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| 745 | for(NodeIt n(g);n!=INVALID;++n) |
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| 746 | max_s=std::max(double(_nodeSizes[n]),max_s); |
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| 747 | ///\todo better 'epsilon' would be nice here. |
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[2178] | 748 | if(max_s>EPSILON) { |
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[1604] | 749 | _nodeScale/=max_s; |
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| 750 | } |
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| 751 | } |
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| 752 | |
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[2178] | 753 | double diag_len = 1; |
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| 754 | if(!(_absoluteNodeSizes&&_absoluteEdgeWidths)) { |
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[2207] | 755 | dim2::BoundingBox<double> bb; |
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[2178] | 756 | for(NodeIt n(g);n!=INVALID;++n) bb.add(mycoords[n]); |
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| 757 | if (bb.empty()) { |
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[2207] | 758 | bb = dim2::BoundingBox<double>(dim2::Point<double>(0,0)); |
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[2178] | 759 | } |
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| 760 | diag_len = std::sqrt((bb.bottomLeft()-bb.topRight()).normSquare()); |
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| 761 | if(diag_len<EPSILON) diag_len = 1; |
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| 762 | if(!_absoluteNodeSizes) _nodeScale*=diag_len; |
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| 763 | if(!_absoluteEdgeWidths) _edgeWidthScale*=diag_len; |
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| 764 | } |
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| 765 | |
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[2207] | 766 | dim2::BoundingBox<double> bb; |
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[1073] | 767 | for(NodeIt n(g);n!=INVALID;++n) { |
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| 768 | double ns=_nodeSizes[n]*_nodeScale; |
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[2207] | 769 | dim2::Point<double> p(ns,ns); |
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[1907] | 770 | switch(_nodeShapes[n]) { |
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| 771 | case CIRCLE: |
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| 772 | case SQUARE: |
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| 773 | case DIAMOND: |
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| 774 | bb.add(p+mycoords[n]); |
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| 775 | bb.add(-p+mycoords[n]); |
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| 776 | break; |
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| 777 | case MALE: |
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| 778 | bb.add(-p+mycoords[n]); |
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[2207] | 779 | bb.add(dim2::Point<double>(1.5*ns,1.5*std::sqrt(3.0)*ns)+mycoords[n]); |
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[1907] | 780 | break; |
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| 781 | case FEMALE: |
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| 782 | bb.add(p+mycoords[n]); |
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[2207] | 783 | bb.add(dim2::Point<double>(-ns,-3.01*ns)+mycoords[n]); |
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[1907] | 784 | break; |
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| 785 | } |
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[1539] | 786 | } |
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| 787 | if (bb.empty()) { |
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[2207] | 788 | bb = dim2::BoundingBox<double>(dim2::Point<double>(0,0)); |
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[1539] | 789 | } |
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[1604] | 790 | |
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[1108] | 791 | if(_scaleToA4) |
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| 792 | os <<"%%BoundingBox: 0 0 596 842\n%%DocumentPaperSizes: a4\n"; |
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[1930] | 793 | else { |
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[2379] | 794 | if(_preScale) { |
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| 795 | //Rescale so that BoundingBox won't be neither to big nor too small. |
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| 796 | while(bb.height()*_scale>1000||bb.width()*_scale>1000) _scale/=10; |
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| 797 | while(bb.height()*_scale<100||bb.width()*_scale<100) _scale*=10; |
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| 798 | } |
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| 799 | |
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[1930] | 800 | os << "%%BoundingBox: " |
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| 801 | << int(floor(bb.left() * _scale - _xBorder)) << ' ' |
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| 802 | << int(floor(bb.bottom() * _scale - _yBorder)) << ' ' |
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| 803 | << int(ceil(bb.right() * _scale + _xBorder)) << ' ' |
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| 804 | << int(ceil(bb.top() * _scale + _yBorder)) << '\n'; |
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| 805 | } |
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[1108] | 806 | |
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[1107] | 807 | os << "%%EndComments\n"; |
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| 808 | |
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[1073] | 809 | //x1 y1 x2 y2 x3 y3 cr cg cb w |
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| 810 | os << "/lb { setlinewidth setrgbcolor newpath moveto\n" |
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| 811 | << " 4 2 roll 1 index 1 index curveto stroke } bind def\n"; |
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| 812 | os << "/l { setlinewidth setrgbcolor newpath moveto lineto stroke } bind def\n"; |
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[1086] | 813 | //x y r |
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[1073] | 814 | os << "/c { newpath dup 3 index add 2 index moveto 0 360 arc closepath } bind def\n"; |
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[1086] | 815 | //x y r |
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| 816 | os << "/sq { newpath 2 index 1 index add 2 index 2 index add moveto\n" |
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| 817 | << " 2 index 1 index sub 2 index 2 index add lineto\n" |
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| 818 | << " 2 index 1 index sub 2 index 2 index sub lineto\n" |
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| 819 | << " 2 index 1 index add 2 index 2 index sub lineto\n" |
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| 820 | << " closepath pop pop pop} bind def\n"; |
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[1088] | 821 | //x y r |
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| 822 | os << "/di { newpath 2 index 1 index add 2 index moveto\n" |
---|
| 823 | << " 2 index 2 index 2 index add lineto\n" |
---|
| 824 | << " 2 index 1 index sub 2 index lineto\n" |
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| 825 | << " 2 index 2 index 2 index sub lineto\n" |
---|
| 826 | << " closepath pop pop pop} bind def\n"; |
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[1073] | 827 | // x y r cr cg cb |
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[1089] | 828 | os << "/nc { 0 0 0 setrgbcolor 5 index 5 index 5 index c fill\n" |
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| 829 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
[1073] | 830 | << " } bind def\n"; |
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[1089] | 831 | os << "/nsq { 0 0 0 setrgbcolor 5 index 5 index 5 index sq fill\n" |
---|
| 832 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div sq fill\n" |
---|
[1086] | 833 | << " } bind def\n"; |
---|
[1089] | 834 | os << "/ndi { 0 0 0 setrgbcolor 5 index 5 index 5 index di fill\n" |
---|
| 835 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div di fill\n" |
---|
[1088] | 836 | << " } bind def\n"; |
---|
[1907] | 837 | os << "/nfemale { 0 0 0 setrgbcolor 3 index " |
---|
| 838 | << _nodeBorderQuotient/(1+_nodeBorderQuotient) |
---|
| 839 | << " 1.5 mul mul setlinewidth\n" |
---|
| 840 | << " newpath 5 index 5 index moveto " |
---|
| 841 | << "5 index 5 index 5 index 3.01 mul sub\n" |
---|
| 842 | << " lineto 5 index 4 index .7 mul sub 5 index 5 index 2.2 mul sub moveto\n" |
---|
| 843 | << " 5 index 4 index .7 mul add 5 index 5 index 2.2 mul sub lineto stroke\n" |
---|
| 844 | << " 5 index 5 index 5 index c fill\n" |
---|
| 845 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
| 846 | << " } bind def\n"; |
---|
| 847 | os << "/nmale {\n" |
---|
| 848 | << " 0 0 0 setrgbcolor 3 index " |
---|
| 849 | << _nodeBorderQuotient/(1+_nodeBorderQuotient) |
---|
| 850 | <<" 1.5 mul mul setlinewidth\n" |
---|
| 851 | << " newpath 5 index 5 index moveto\n" |
---|
| 852 | << " 5 index 4 index 1 mul 1.5 mul add\n" |
---|
| 853 | << " 5 index 5 index 3 sqrt 1.5 mul mul add\n" |
---|
| 854 | << " 1 index 1 index lineto\n" |
---|
| 855 | << " 1 index 1 index 7 index sub moveto\n" |
---|
| 856 | << " 1 index 1 index lineto\n" |
---|
| 857 | << " exch 5 index 3 sqrt .5 mul mul sub exch 5 index .5 mul sub lineto\n" |
---|
| 858 | << " stroke\n" |
---|
| 859 | << " 5 index 5 index 5 index c fill\n" |
---|
| 860 | << " setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n" |
---|
| 861 | << " } bind def\n"; |
---|
| 862 | |
---|
| 863 | |
---|
[1073] | 864 | os << "/arrl " << _arrowLength << " def\n"; |
---|
| 865 | os << "/arrw " << _arrowWidth << " def\n"; |
---|
| 866 | // l dx_norm dy_norm |
---|
| 867 | os << "/lrl { 2 index mul exch 2 index mul exch rlineto pop} bind def\n"; |
---|
| 868 | //len w dx_norm dy_norm x1 y1 cr cg cb |
---|
| 869 | os << "/arr { setrgbcolor /y1 exch def /x1 exch def /dy exch def /dx exch def\n" |
---|
| 870 | << " /w exch def /len exch def\n" |
---|
| 871 | // << " 0.1 setlinewidth x1 y1 moveto dx len mul dy len mul rlineto stroke" |
---|
| 872 | << " newpath x1 dy w 2 div mul add y1 dx w 2 div mul sub moveto\n" |
---|
| 873 | << " len w sub arrl sub dx dy lrl\n" |
---|
| 874 | << " arrw dy dx neg lrl\n" |
---|
| 875 | << " dx arrl w add mul dy w 2 div arrw add mul sub\n" |
---|
| 876 | << " dy arrl w add mul dx w 2 div arrw add mul add rlineto\n" |
---|
| 877 | << " dx arrl w add mul neg dy w 2 div arrw add mul sub\n" |
---|
| 878 | << " dy arrl w add mul neg dx w 2 div arrw add mul add rlineto\n" |
---|
| 879 | << " arrw dy dx neg lrl\n" |
---|
| 880 | << " len w sub arrl sub neg dx dy lrl\n" |
---|
| 881 | << " closepath fill } bind def\n"; |
---|
| 882 | os << "/cshow { 2 index 2 index moveto dup stringwidth pop\n" |
---|
| 883 | << " neg 2 div fosi .35 mul neg rmoveto show pop pop} def\n"; |
---|
| 884 | |
---|
| 885 | os << "\ngsave\n"; |
---|
[1103] | 886 | if(_scaleToA4) |
---|
| 887 | if(bb.height()>bb.width()) { |
---|
[1470] | 888 | double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.height(), |
---|
[1103] | 889 | (A4WIDTH-2*A4BORDER)/bb.width()); |
---|
| 890 | os << ((A4WIDTH -2*A4BORDER)-sc*bb.width())/2 + A4BORDER << ' ' |
---|
[2207] | 891 | << ((A4HEIGHT-2*A4BORDER)-sc*bb.height())/2 + A4BORDER |
---|
| 892 | << " translate\n" |
---|
[1103] | 893 | << sc << " dup scale\n" |
---|
| 894 | << -bb.left() << ' ' << -bb.bottom() << " translate\n"; |
---|
| 895 | } |
---|
| 896 | else { |
---|
| 897 | //\todo Verify centering |
---|
[1470] | 898 | double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.width(), |
---|
[1103] | 899 | (A4WIDTH-2*A4BORDER)/bb.height()); |
---|
| 900 | os << ((A4WIDTH -2*A4BORDER)-sc*bb.height())/2 + A4BORDER << ' ' |
---|
[2207] | 901 | << ((A4HEIGHT-2*A4BORDER)-sc*bb.width())/2 + A4BORDER |
---|
| 902 | << " translate\n" |
---|
[1103] | 903 | << sc << " dup scale\n90 rotate\n" |
---|
| 904 | << -bb.left() << ' ' << -bb.top() << " translate\n"; |
---|
| 905 | } |
---|
| 906 | else if(_scale!=1.0) os << _scale << " dup scale\n"; |
---|
[1073] | 907 | |
---|
[1085] | 908 | if(_showEdges) { |
---|
| 909 | os << "%Edges:\ngsave\n"; |
---|
[1073] | 910 | if(_enableParallel) { |
---|
| 911 | std::vector<Edge> el; |
---|
| 912 | for(EdgeIt e(g);e!=INVALID;++e) |
---|
[1976] | 913 | if((!_undirected||g.source(e)<g.target(e))&&_edgeWidths[e]>0 |
---|
| 914 | &&g.source(e)!=g.target(e)) |
---|
[1178] | 915 | el.push_back(e); |
---|
[1642] | 916 | std::sort(el.begin(),el.end(),edgeLess(g)); |
---|
[1073] | 917 | |
---|
| 918 | typename std::vector<Edge>::iterator j; |
---|
| 919 | for(typename std::vector<Edge>::iterator i=el.begin();i!=el.end();i=j) { |
---|
| 920 | for(j=i+1;j!=el.end()&&isParallel(*i,*j);++j) ; |
---|
| 921 | |
---|
| 922 | double sw=0; |
---|
| 923 | for(typename std::vector<Edge>::iterator e=i;e!=j;++e) |
---|
| 924 | sw+=_edgeWidths[*e]*_edgeWidthScale+_parEdgeDist; |
---|
| 925 | sw-=_parEdgeDist; |
---|
| 926 | sw/=-2.0; |
---|
[2207] | 927 | dim2::Point<double> |
---|
| 928 | dvec(mycoords[g.target(*i)]-mycoords[g.source(*i)]); |
---|
[1417] | 929 | double l=std::sqrt(dvec.normSquare()); |
---|
[1360] | 930 | ///\todo better 'epsilon' would be nice here. |
---|
[2207] | 931 | dim2::Point<double> d(dvec/std::max(l,EPSILON)); |
---|
| 932 | dim2::Point<double> m; |
---|
| 933 | // m=dim2::Point<double>(mycoords[g.target(*i)]+mycoords[g.source(*i)])/2.0; |
---|
[1085] | 934 | |
---|
[2207] | 935 | // m=dim2::Point<double>(mycoords[g.source(*i)])+ |
---|
[1085] | 936 | // dvec*(double(_nodeSizes[g.source(*i)])/ |
---|
| 937 | // (_nodeSizes[g.source(*i)]+_nodeSizes[g.target(*i)])); |
---|
| 938 | |
---|
[2207] | 939 | m=dim2::Point<double>(mycoords[g.source(*i)])+ |
---|
[1085] | 940 | d*(l+_nodeSizes[g.source(*i)]-_nodeSizes[g.target(*i)])/2.0; |
---|
| 941 | |
---|
[1073] | 942 | for(typename std::vector<Edge>::iterator e=i;e!=j;++e) { |
---|
| 943 | sw+=_edgeWidths[*e]*_edgeWidthScale/2.0; |
---|
[2207] | 944 | dim2::Point<double> mm=m+rot90(d)*sw/.75; |
---|
[1073] | 945 | if(_drawArrows) { |
---|
[1086] | 946 | int node_shape; |
---|
[2207] | 947 | dim2::Point<double> s=mycoords[g.source(*e)]; |
---|
| 948 | dim2::Point<double> t=mycoords[g.target(*e)]; |
---|
[1073] | 949 | double rn=_nodeSizes[g.target(*e)]*_nodeScale; |
---|
[1086] | 950 | node_shape=_nodeShapes[g.target(*e)]; |
---|
[2207] | 951 | dim2::Bezier3 bez(s,mm,mm,t); |
---|
[1073] | 952 | double t1=0,t2=1; |
---|
[2386] | 953 | for(int ii=0;ii<INTERPOL_PREC;++ii) |
---|
[1086] | 954 | if(isInsideNode(bez((t1+t2)/2)-t,rn,node_shape)) t2=(t1+t2)/2; |
---|
| 955 | else t1=(t1+t2)/2; |
---|
[2207] | 956 | dim2::Point<double> apoint=bez((t1+t2)/2); |
---|
[1086] | 957 | rn = _arrowLength+_edgeWidths[*e]*_edgeWidthScale; |
---|
[1073] | 958 | rn*=rn; |
---|
[1086] | 959 | t2=(t1+t2)/2;t1=0; |
---|
[2386] | 960 | for(int ii=0;ii<INTERPOL_PREC;++ii) |
---|
[1086] | 961 | if((bez((t1+t2)/2)-apoint).normSquare()>rn) t1=(t1+t2)/2; |
---|
[1073] | 962 | else t2=(t1+t2)/2; |
---|
[2207] | 963 | dim2::Point<double> linend=bez((t1+t2)/2); |
---|
[1073] | 964 | bez=bez.before((t1+t2)/2); |
---|
[1086] | 965 | // rn=_nodeSizes[g.source(*e)]*_nodeScale; |
---|
| 966 | // node_shape=_nodeShapes[g.source(*e)]; |
---|
| 967 | // t1=0;t2=1; |
---|
[1087] | 968 | // for(int i=0;i<INTERPOL_PREC;++i) |
---|
[1086] | 969 | // if(isInsideNode(bez((t1+t2)/2)-t,rn,node_shape)) t1=(t1+t2)/2; |
---|
| 970 | // else t2=(t1+t2)/2; |
---|
| 971 | // bez=bez.after((t1+t2)/2); |
---|
[1073] | 972 | os << _edgeWidths[*e]*_edgeWidthScale << " setlinewidth " |
---|
[1575] | 973 | << _edgeColors[*e].red() << ' ' |
---|
| 974 | << _edgeColors[*e].green() << ' ' |
---|
| 975 | << _edgeColors[*e].blue() << " setrgbcolor newpath\n" |
---|
[1073] | 976 | << bez.p1.x << ' ' << bez.p1.y << " moveto\n" |
---|
| 977 | << bez.p2.x << ' ' << bez.p2.y << ' ' |
---|
| 978 | << bez.p3.x << ' ' << bez.p3.y << ' ' |
---|
| 979 | << bez.p4.x << ' ' << bez.p4.y << " curveto stroke\n"; |
---|
[2207] | 980 | dim2::Point<double> dd(rot90(linend-apoint)); |
---|
[1089] | 981 | dd*=(.5*_edgeWidths[*e]*_edgeWidthScale+_arrowWidth)/ |
---|
[1417] | 982 | std::sqrt(dd.normSquare()); |
---|
[1073] | 983 | os << "newpath " << psOut(apoint) << " moveto " |
---|
| 984 | << psOut(linend+dd) << " lineto " |
---|
| 985 | << psOut(linend-dd) << " lineto closepath fill\n"; |
---|
| 986 | } |
---|
| 987 | else { |
---|
[1673] | 988 | os << mycoords[g.source(*e)].x << ' ' |
---|
| 989 | << mycoords[g.source(*e)].y << ' ' |
---|
[1085] | 990 | << mm.x << ' ' << mm.y << ' ' |
---|
[1673] | 991 | << mycoords[g.target(*e)].x << ' ' |
---|
| 992 | << mycoords[g.target(*e)].y << ' ' |
---|
[1575] | 993 | << _edgeColors[*e].red() << ' ' |
---|
| 994 | << _edgeColors[*e].green() << ' ' |
---|
| 995 | << _edgeColors[*e].blue() << ' ' |
---|
[1073] | 996 | << _edgeWidths[*e]*_edgeWidthScale << " lb\n"; |
---|
| 997 | } |
---|
| 998 | sw+=_edgeWidths[*e]*_edgeWidthScale/2.0+_parEdgeDist; |
---|
| 999 | } |
---|
| 1000 | } |
---|
| 1001 | } |
---|
| 1002 | else for(EdgeIt e(g);e!=INVALID;++e) |
---|
[1976] | 1003 | if((!_undirected||g.source(e)<g.target(e))&&_edgeWidths[e]>0 |
---|
| 1004 | &&g.source(e)!=g.target(e)) |
---|
[1073] | 1005 | if(_drawArrows) { |
---|
[2207] | 1006 | dim2::Point<double> d(mycoords[g.target(e)]-mycoords[g.source(e)]); |
---|
[1087] | 1007 | double rn=_nodeSizes[g.target(e)]*_nodeScale; |
---|
| 1008 | int node_shape=_nodeShapes[g.target(e)]; |
---|
| 1009 | double t1=0,t2=1; |
---|
| 1010 | for(int i=0;i<INTERPOL_PREC;++i) |
---|
| 1011 | if(isInsideNode((-(t1+t2)/2)*d,rn,node_shape)) t1=(t1+t2)/2; |
---|
| 1012 | else t2=(t1+t2)/2; |
---|
[1936] | 1013 | double l=std::sqrt(d.normSquare()); |
---|
[1073] | 1014 | d/=l; |
---|
[1087] | 1015 | |
---|
| 1016 | os << l*(1-(t1+t2)/2) << ' ' |
---|
[1073] | 1017 | << _edgeWidths[e]*_edgeWidthScale << ' ' |
---|
| 1018 | << d.x << ' ' << d.y << ' ' |
---|
[1673] | 1019 | << mycoords[g.source(e)].x << ' ' |
---|
| 1020 | << mycoords[g.source(e)].y << ' ' |
---|
[1575] | 1021 | << _edgeColors[e].red() << ' ' |
---|
| 1022 | << _edgeColors[e].green() << ' ' |
---|
| 1023 | << _edgeColors[e].blue() << " arr\n"; |
---|
[1073] | 1024 | } |
---|
[1673] | 1025 | else os << mycoords[g.source(e)].x << ' ' |
---|
| 1026 | << mycoords[g.source(e)].y << ' ' |
---|
| 1027 | << mycoords[g.target(e)].x << ' ' |
---|
| 1028 | << mycoords[g.target(e)].y << ' ' |
---|
[1575] | 1029 | << _edgeColors[e].red() << ' ' |
---|
| 1030 | << _edgeColors[e].green() << ' ' |
---|
| 1031 | << _edgeColors[e].blue() << ' ' |
---|
[1073] | 1032 | << _edgeWidths[e]*_edgeWidthScale << " l\n"; |
---|
[1085] | 1033 | os << "grestore\n"; |
---|
| 1034 | } |
---|
| 1035 | if(_showNodes) { |
---|
| 1036 | os << "%Nodes:\ngsave\n"; |
---|
[1086] | 1037 | for(NodeIt n(g);n!=INVALID;++n) { |
---|
[1673] | 1038 | os << mycoords[n].x << ' ' << mycoords[n].y << ' ' |
---|
[1073] | 1039 | << _nodeSizes[n]*_nodeScale << ' ' |
---|
[1575] | 1040 | << _nodeColors[n].red() << ' ' |
---|
| 1041 | << _nodeColors[n].green() << ' ' |
---|
| 1042 | << _nodeColors[n].blue() << ' '; |
---|
[1086] | 1043 | switch(_nodeShapes[n]) { |
---|
| 1044 | case CIRCLE: |
---|
| 1045 | os<< "nc";break; |
---|
| 1046 | case SQUARE: |
---|
| 1047 | os<< "nsq";break; |
---|
[1088] | 1048 | case DIAMOND: |
---|
| 1049 | os<< "ndi";break; |
---|
[1907] | 1050 | case MALE: |
---|
| 1051 | os<< "nmale";break; |
---|
| 1052 | case FEMALE: |
---|
| 1053 | os<< "nfemale";break; |
---|
[1086] | 1054 | } |
---|
| 1055 | os<<'\n'; |
---|
| 1056 | } |
---|
[1085] | 1057 | os << "grestore\n"; |
---|
| 1058 | } |
---|
[1073] | 1059 | if(_showNodeText) { |
---|
[1085] | 1060 | os << "%Node texts:\ngsave\n"; |
---|
[1073] | 1061 | os << "/fosi " << _nodeTextSize << " def\n"; |
---|
| 1062 | os << "(Helvetica) findfont fosi scalefont setfont\n"; |
---|
[1178] | 1063 | for(NodeIt n(g);n!=INVALID;++n) { |
---|
| 1064 | switch(_nodeTextColorType) { |
---|
| 1065 | case DIST_COL: |
---|
| 1066 | os << psOut(distantColor(_nodeColors[n])) << " setrgbcolor\n"; |
---|
| 1067 | break; |
---|
| 1068 | case DIST_BW: |
---|
| 1069 | os << psOut(distantBW(_nodeColors[n])) << " setrgbcolor\n"; |
---|
| 1070 | break; |
---|
| 1071 | case CUST_COL: |
---|
| 1072 | os << psOut(distantColor(_nodeTextColors[n])) << " setrgbcolor\n"; |
---|
| 1073 | break; |
---|
| 1074 | default: |
---|
| 1075 | os << "0 0 0 setrgbcolor\n"; |
---|
| 1076 | } |
---|
[1673] | 1077 | os << mycoords[n].x << ' ' << mycoords[n].y |
---|
[1073] | 1078 | << " (" << _nodeTexts[n] << ") cshow\n"; |
---|
[1178] | 1079 | } |
---|
[1085] | 1080 | os << "grestore\n"; |
---|
[1073] | 1081 | } |
---|
[1085] | 1082 | if(_showNodePsText) { |
---|
| 1083 | os << "%Node PS blocks:\ngsave\n"; |
---|
| 1084 | for(NodeIt n(g);n!=INVALID;++n) |
---|
[1673] | 1085 | os << mycoords[n].x << ' ' << mycoords[n].y |
---|
[1085] | 1086 | << " moveto\n" << _nodePsTexts[n] << "\n"; |
---|
| 1087 | os << "grestore\n"; |
---|
| 1088 | } |
---|
| 1089 | |
---|
[1103] | 1090 | os << "grestore\nshowpage\n"; |
---|
[1073] | 1091 | |
---|
| 1092 | //CleanUp: |
---|
| 1093 | if(_pleaseRemoveOsStream) {delete &os;} |
---|
| 1094 | } |
---|
| 1095 | }; |
---|
| 1096 | |
---|
[1494] | 1097 | template<class T> |
---|
| 1098 | const int GraphToEps<T>::INTERPOL_PREC = 20; |
---|
| 1099 | template<class T> |
---|
| 1100 | const double GraphToEps<T>::A4HEIGHT = 841.8897637795276; |
---|
| 1101 | template<class T> |
---|
| 1102 | const double GraphToEps<T>::A4WIDTH = 595.275590551181; |
---|
| 1103 | template<class T> |
---|
| 1104 | const double GraphToEps<T>::A4BORDER = 15; |
---|
| 1105 | |
---|
[1073] | 1106 | |
---|
| 1107 | ///Generates an EPS file from a graph |
---|
| 1108 | |
---|
[2084] | 1109 | ///\ingroup eps_io |
---|
[1073] | 1110 | ///Generates an EPS file from a graph. |
---|
| 1111 | ///\param g is a reference to the graph to be printed |
---|
| 1112 | ///\param os is a reference to the output stream. |
---|
| 1113 | ///By default it is <tt>std::cout</tt> |
---|
| 1114 | /// |
---|
[1091] | 1115 | ///This function also has a lot of |
---|
| 1116 | ///\ref named-templ-func-param "named parameters", |
---|
[1073] | 1117 | ///they are declared as the members of class \ref GraphToEps. The following |
---|
| 1118 | ///example shows how to use these parameters. |
---|
| 1119 | ///\code |
---|
[1178] | 1120 | /// graphToEps(g,os).scale(10).coords(coords) |
---|
[1073] | 1121 | /// .nodeScale(2).nodeSizes(sizes) |
---|
[1091] | 1122 | /// .edgeWidthScale(.4).run(); |
---|
[1073] | 1123 | ///\endcode |
---|
[1091] | 1124 | ///\warning Don't forget to put the \ref GraphToEps::run() "run()" |
---|
| 1125 | ///to the end of the parameter list. |
---|
[1073] | 1126 | ///\sa GraphToEps |
---|
[1573] | 1127 | ///\sa graphToEps(G &g, const char *file_name) |
---|
[1073] | 1128 | template<class G> |
---|
| 1129 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
| 1130 | graphToEps(G &g, std::ostream& os=std::cout) |
---|
| 1131 | { |
---|
| 1132 | return |
---|
| 1133 | GraphToEps<DefaultGraphToEpsTraits<G> >(DefaultGraphToEpsTraits<G>(g,os)); |
---|
| 1134 | } |
---|
| 1135 | |
---|
| 1136 | ///Generates an EPS file from a graph |
---|
| 1137 | |
---|
[2084] | 1138 | ///\ingroup eps_io |
---|
[1073] | 1139 | ///This function does the same as |
---|
| 1140 | ///\ref graphToEps(G &g,std::ostream& os) |
---|
| 1141 | ///but it writes its output into the file \c file_name |
---|
| 1142 | ///instead of a stream. |
---|
| 1143 | ///\sa graphToEps(G &g, std::ostream& os) |
---|
| 1144 | template<class G> |
---|
| 1145 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
[1107] | 1146 | graphToEps(G &g,const char *file_name) |
---|
[1073] | 1147 | { |
---|
| 1148 | return GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
| 1149 | (DefaultGraphToEpsTraits<G>(g,*new std::ofstream(file_name),true)); |
---|
| 1150 | } |
---|
| 1151 | |
---|
[1743] | 1152 | ///Generates an EPS file from a graph |
---|
| 1153 | |
---|
[2084] | 1154 | ///\ingroup eps_io |
---|
[1743] | 1155 | ///This function does the same as |
---|
| 1156 | ///\ref graphToEps(G &g,std::ostream& os) |
---|
| 1157 | ///but it writes its output into the file \c file_name |
---|
| 1158 | ///instead of a stream. |
---|
| 1159 | ///\sa graphToEps(G &g, std::ostream& os) |
---|
| 1160 | template<class G> |
---|
| 1161 | GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
| 1162 | graphToEps(G &g,const std::string& file_name) |
---|
| 1163 | { |
---|
| 1164 | return GraphToEps<DefaultGraphToEpsTraits<G> > |
---|
| 1165 | (DefaultGraphToEpsTraits<G>(g,*new std::ofstream(file_name.c_str()),true)); |
---|
| 1166 | } |
---|
| 1167 | |
---|
[1073] | 1168 | } //END OF NAMESPACE LEMON |
---|
| 1169 | |
---|
| 1170 | #endif // LEMON_GRAPH_TO_EPS_H |
---|