[1971] | 1 | /* -*- C++ -*- |
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| 2 | * |
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| 3 | * This file is a part of LEMON, a generic C++ optimization library |
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| 4 | * |
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| 5 | * Copyright (C) 2003-2006 |
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| 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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| 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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| 8 | * |
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| 9 | * Permission to use, modify and distribute this software is granted |
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| 10 | * provided that this copyright notice appears in all copies. For |
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| 11 | * precise terms see the accompanying LICENSE file. |
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| 12 | * |
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| 13 | * This software is provided "AS IS" with no warranty of any kind, |
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| 14 | * express or implied, and with no claim as to its suitability for any |
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| 15 | * purpose. |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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| 19 | #ifndef LEMON_EPS_H |
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| 20 | #define LEMON_EPS_H |
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| 21 | |
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| 22 | #include<string> |
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| 23 | #include<iostream> |
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| 24 | #include<fstream> |
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| 25 | #include<sstream> |
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| 26 | #include<lemon/color.h> |
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| 27 | #include<lemon/xy.h> |
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| 28 | |
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| 29 | ///\ingroup io_group |
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| 30 | ///\file |
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| 31 | ///\brief Simple tool to create \c .eps files |
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| 32 | /// |
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| 33 | ///\author Alpar Juttner |
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| 34 | |
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| 35 | namespace lemon { |
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| 36 | |
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| 37 | ///\ingroup io_group |
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| 38 | ///\brief A simple tool to create \c .eps files |
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| 39 | /// |
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| 40 | ///A simple tool to create \c .eps files |
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| 41 | ///\author Alpar Juttner |
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| 42 | class EpsDrawer |
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| 43 | { |
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| 44 | void defMacros(); |
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| 45 | void init(int x1,int y1,int x2,int y2); |
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| 46 | void init(double x1,double y1,double x2,double y2); |
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| 47 | bool local_stream; |
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| 48 | public: |
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| 49 | |
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| 50 | std::ostream &out; |
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| 51 | |
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| 52 | ///\e |
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| 53 | |
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| 54 | ///The generated file is put to \c os. |
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| 55 | /// |
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| 56 | /// \c x and \c y determine the upper |
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| 57 | ///right corner of the bounding box. The lower left corner is (0,0). |
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| 58 | EpsDrawer(std::ostream &os,int x,int y); |
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| 59 | ///\e |
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| 60 | |
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| 61 | ///The generated file is put to \c os. |
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| 62 | /// |
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| 63 | ///(x1,y1) and (x2,y2) |
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| 64 | /// determine the lower left and the upper right corners of |
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| 65 | ///the bounding box, respectively. |
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| 66 | EpsDrawer(std::ostream &os,int x1,int y1,int x2,int y2); |
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| 67 | ///\e |
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| 68 | |
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| 69 | ///The generated file is put to \c os. |
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| 70 | /// |
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| 71 | ///\c s determines the upper |
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| 72 | ///right corner of the bounding box. The lower left corner is (0,0). |
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| 73 | EpsDrawer(std::ostream &os,xy<double> s); |
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| 74 | ///\e |
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| 75 | |
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| 76 | ///The generated file is put to \c os. |
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| 77 | /// |
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| 78 | ///\c a and \c b |
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| 79 | /// determine the lower left and the upper right corners of |
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| 80 | ///the bounding box, respectively. |
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| 81 | EpsDrawer(std::ostream &os,xy<double> a, xy<double> b); |
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| 82 | ///\e |
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| 83 | |
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| 84 | ///The generated picture is put to the file \c name. |
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| 85 | /// |
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| 86 | ///\c x and \c y determine the upper |
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| 87 | ///right corner of the bounding box. The lower left corner is (0,0). |
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| 88 | EpsDrawer(const std::string &name,int x,int y); |
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| 89 | ///\e |
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| 90 | |
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| 91 | ///The generated picture is put to the file \c name. |
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| 92 | /// |
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| 93 | ///(x1,y1) and (x2,y2) |
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| 94 | /// determine the lower left and the upper right corners of |
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| 95 | ///the bounding box, respectively. |
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| 96 | EpsDrawer(const std::string &name,int x1,int y1,int x2,int y2); |
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| 97 | ///\e |
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| 98 | |
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| 99 | ///The generated picture is put to the file \c name. |
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| 100 | /// |
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| 101 | ///\c s determines the upper |
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| 102 | ///right corner of the bounding box. The lower left corner is (0,0). |
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| 103 | EpsDrawer(const std::string &name,xy<double> s); |
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| 104 | ///\e |
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| 105 | |
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| 106 | ///The generated picture is put to the file \c name. |
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| 107 | /// |
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| 108 | ///\c a and \c b |
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| 109 | /// determine the lower left and the upper right corners of |
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| 110 | ///the bounding box, respectively. |
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| 111 | EpsDrawer(const std::string &name,xy<double> a, xy<double> b); |
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| 112 | |
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| 113 | // template<class T> EpsDrawer(std::ostream &os,BoundingBox<T> b) |
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| 114 | // template<class T> EpsDrawer(std::ostream &os,BoundingBox<T> b); |
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| 115 | |
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| 116 | ~EpsDrawer(); |
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| 117 | |
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| 118 | ///Save the current graphic state. |
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| 119 | |
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| 120 | ///This function saves the current coordinate system, and the parameters |
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| 121 | ///set by \ref color(), \ref lineWidth() etc. |
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| 122 | ///The can be \ref restore "restore()"d later. |
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| 123 | /// |
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| 124 | ///The \ref save() - \ref restore() pairs can be nested. |
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| 125 | /// |
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| 126 | EpsDrawer &save(); |
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| 127 | ///Restore the saves graphic state. |
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| 128 | |
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| 129 | EpsDrawer &restore(); |
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| 130 | |
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| 131 | ///Draw a line |
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| 132 | EpsDrawer &line(double x1,double y1,double x2,double y2); |
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| 133 | ///Draw a line from the current point |
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| 134 | EpsDrawer &lineTo(double x1,double y1); |
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| 135 | ///Move the current point |
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| 136 | EpsDrawer &moveTo(double x1,double y1); |
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| 137 | ///Draw a circle |
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| 138 | EpsDrawer &circle(double x,double y, double r); |
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| 139 | |
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| 140 | ///Draw a line |
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| 141 | template<class T> EpsDrawer &line(xy<T> p1,xy<T> p2) |
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| 142 | { |
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| 143 | return line(p1.x,p1.y,p2.x,p2.y); |
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| 144 | } |
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| 145 | ///Draw a line from the current point |
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| 146 | template<class T> EpsDrawer &lineTo(xy<T> p) |
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| 147 | { |
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| 148 | return lineTo(p.x,p.y); |
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| 149 | } |
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| 150 | ///Move the current point |
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| 151 | template<class T> EpsDrawer &moveTo(xy<T> p) |
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| 152 | { |
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| 153 | return moveTo(p.x,p.y); |
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| 154 | } |
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| 155 | ///Draw a circle |
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| 156 | template<class T> EpsDrawer &circle(xy<T> p, double r) |
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| 157 | { |
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| 158 | return circle(p.x,p.y,r); |
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| 159 | } |
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| 160 | |
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| 161 | ///Set the font size |
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| 162 | EpsDrawer &fontSize(double si); |
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| 163 | ///Set the fint type |
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| 164 | EpsDrawer &font(std::string ); |
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| 165 | ///Sets whether text output is centerized of not |
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| 166 | |
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| 167 | ///Sets whether text output is centerized of not. |
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| 168 | /// |
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| 169 | ///\warning \ref save() doesn't save this setting. |
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| 170 | /// |
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| 171 | EpsDrawer ¢erMode(bool m); |
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| 172 | ///Turn to collect mode. |
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| 173 | |
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| 174 | ///If you call this function, then the drawing operations like \ref line(), |
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| 175 | ///\ref lineTo(), \ref moveTo() will not take place immediately, but istead |
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| 176 | ///they |
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| 177 | ///are collected. These operations form a \e path. |
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| 178 | ///Then you can \ref stroke(), \ref fill(), \ref eofill(), \ref clip() or |
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| 179 | ///\ref eoclip() it. |
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| 180 | ///When drawing, you can also use \ref closePath() to - surprise - close the |
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| 181 | ///current path. |
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| 182 | /// |
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| 183 | ///This example draws a red filled diamond. |
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| 184 | ///\code |
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| 185 | /// EpsDraw ed("diamond.eps",-1,-1,1,1); |
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| 186 | /// ed.color(1,0,0,).collect().line(0,-1,1,0).lineTo(0,1) |
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| 187 | /// .lineTo(-1,0).closePath().fill(); |
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| 188 | ///\endcode |
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| 189 | EpsDrawer &collect(); |
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| 190 | ///Close the current drawing path |
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| 191 | EpsDrawer &closePath(); |
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| 192 | ///Stroke (draw) a path |
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| 193 | |
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| 194 | ///Stroke (draw) a path. |
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| 195 | ///\sa collect |
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| 196 | /// |
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| 197 | EpsDrawer &stroke(); |
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| 198 | ///Fill a path |
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| 199 | |
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| 200 | ///Fill a path. |
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| 201 | ///\sa collect |
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| 202 | /// |
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| 203 | EpsDrawer &fill(); |
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| 204 | ///Even-odd fill a path |
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| 205 | |
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| 206 | ///Even-odd fill a path. |
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| 207 | ///\sa collect |
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| 208 | /// |
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| 209 | EpsDrawer &eoFill(); |
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| 210 | ///Set a clipping area. |
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| 211 | |
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| 212 | ///This function sets a clipping area. After that, the drawing operations |
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| 213 | ///will affect only this area. |
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| 214 | ///\sa collect |
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| 215 | /// |
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| 216 | EpsDrawer &clip(); |
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| 217 | ///Set a clipping area using even-odd rule. |
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| 218 | |
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| 219 | ///This function sets a clipping area using even-odd rule. |
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| 220 | ///After that, the drawing operations |
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| 221 | ///will affect only this area. |
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| 222 | ///\sa collect |
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| 223 | /// |
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| 224 | EpsDrawer &eoClip(); |
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| 225 | |
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| 226 | ///Set the line width. |
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| 227 | EpsDrawer &lineWidth(double w); |
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| 228 | ///Set the style of the line ends |
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| 229 | |
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| 230 | ///\param i It can be 0, 1 or 2 |
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| 231 | /// |
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| 232 | EpsDrawer &lineCap(int i); |
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| 233 | ///Set the style of the line joins |
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| 234 | |
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| 235 | ///\param i It can be 0, 1 or 2 |
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| 236 | /// |
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| 237 | EpsDrawer &lineJoin(int i); |
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| 238 | ///Set the cut length of near parallel joining lines. |
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| 239 | EpsDrawer &miterLimit(double w); |
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| 240 | |
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| 241 | ///Set the drawing color |
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| 242 | EpsDrawer &color(double r, double g, double b); |
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| 243 | ///Set the drawing color |
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| 244 | EpsDrawer &color(Color c) |
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| 245 | { |
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| 246 | return color(c.red(),c.green(),c.blue()); |
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| 247 | } |
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| 248 | |
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| 249 | ///Translate the coordinate system |
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| 250 | EpsDrawer &translate(double x,double y); |
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| 251 | ///Translate the coordinate system |
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| 252 | template<class T> EpsDrawer &translate(xy<T> p) |
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| 253 | { |
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| 254 | return translate(p.x,p.y); |
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| 255 | } |
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| 256 | ///Rotate the coordinate system |
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| 257 | EpsDrawer &rotate(double r); |
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| 258 | ///Scale the coordinate system |
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| 259 | EpsDrawer &scale(double sx, double sy); |
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| 260 | ///Scale the coordinate system |
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| 261 | EpsDrawer &scale(double s) { return scale(s,s); } |
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| 262 | ///Scale the coordinate system |
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| 263 | template<class T> EpsDrawer &scale(xy<T> p) |
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| 264 | { |
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| 265 | return scale(p.x,p.y); |
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| 266 | } |
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| 267 | |
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| 268 | ///\e |
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| 269 | EpsDrawer &flush(); |
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| 270 | ///Clear the image |
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| 271 | EpsDrawer &clear(); |
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| 272 | |
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| 273 | ///Print a text at the current point |
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| 274 | EpsDrawer &operator<<(const std::string &s); |
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| 275 | ///Print a text at the current point |
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| 276 | EpsDrawer &operator<<(const char *s); |
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| 277 | ///Print a number at the current point |
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| 278 | EpsDrawer &operator<<(int i); |
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| 279 | ///Print a number at the current point |
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| 280 | EpsDrawer &operator<<(double d); |
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| 281 | ///Print a coordinate at the current point |
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| 282 | template<class T> |
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| 283 | EpsDrawer &operator<<(xy<T> p) |
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| 284 | { |
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| 285 | out << "((" << p.x << ',' << p.y <<")) show\n"; |
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| 286 | return *this; |
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| 287 | } |
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| 288 | |
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| 289 | }; |
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| 290 | |
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| 291 | } |
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| 292 | |
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| 293 | #endif |
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