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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