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 eps_io |
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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 eps_io |
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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 | ///Node shapes |
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53 | /// |
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54 | enum NodeShapes { |
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55 | /// = 0 |
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56 | ///\image html nodeshape_0.png |
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57 | ///\image latex nodeshape_0.eps "CIRCLE shape (0)" width=2cm |
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58 | CIRCLE=0, |
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59 | /// = 1 |
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60 | ///\image html nodeshape_1.png |
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61 | ///\image latex nodeshape_1.eps "SQUARE shape (1)" width=2cm |
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62 | /// |
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63 | SQUARE=1, |
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64 | /// = 2 |
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65 | ///\image html nodeshape_2.png |
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66 | ///\image latex nodeshape_2.eps "DIAMOND shape (2)" width=2cm |
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67 | /// |
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68 | DIAMOND=2, |
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69 | /// = 3 |
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70 | ///\image html nodeshape_3.png |
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71 | ///\image latex nodeshape_2.eps "MALE shape (4)" width=2cm |
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72 | /// |
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73 | ///\warning Not implemented |
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74 | MALE=3, |
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75 | /// = 4 |
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76 | ///\image html nodeshape_4.png |
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77 | ///\image latex nodeshape_2.eps "FEMALE shape (4)" width=2cm |
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78 | /// |
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79 | ///\warning Not implemented |
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80 | FEMALE=4 |
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81 | }; |
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82 | ///\e |
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83 | |
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84 | ///The generated file is put to \c os. |
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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(std::ostream &os,int x,int y); |
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89 | ///\e |
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90 | |
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91 | ///The generated file is put to \c os. |
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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(std::ostream &os,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 file is put to \c os. |
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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(std::ostream &os,xy<double> s); |
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104 | ///\e |
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105 | |
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106 | ///The generated file is put to \c os. |
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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(std::ostream &os,xy<double> a, xy<double> b); |
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112 | ///\e |
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113 | |
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114 | ///The generated picture is put to the file \c name. |
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115 | /// |
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116 | ///\c x and \c y determine the upper |
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117 | ///right corner of the bounding box. The lower left corner is (0,0). |
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118 | EpsDrawer(const std::string &name,int x,int y); |
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119 | ///\e |
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120 | |
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121 | ///The generated picture is put to the file \c name. |
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122 | /// |
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123 | ///(x1,y1) and (x2,y2) |
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124 | /// determine the lower left and the upper right corners of |
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125 | ///the bounding box, respectively. |
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126 | EpsDrawer(const std::string &name,int x1,int y1,int x2,int y2); |
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127 | ///\e |
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128 | |
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129 | ///The generated picture is put to the file \c name. |
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130 | /// |
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131 | ///\c s determines the upper |
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132 | ///right corner of the bounding box. The lower left corner is (0,0). |
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133 | EpsDrawer(const std::string &name,xy<double> s); |
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134 | ///\e |
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135 | |
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136 | ///The generated picture is put to the file \c name. |
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137 | /// |
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138 | ///\c a and \c b |
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139 | /// determine the lower left and the upper right corners of |
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140 | ///the bounding box, respectively. |
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141 | EpsDrawer(const std::string &name,xy<double> a, xy<double> b); |
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142 | |
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143 | // template<class T> EpsDrawer(std::ostream &os,BoundingBox<T> b) |
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144 | // template<class T> EpsDrawer(std::ostream &os,BoundingBox<T> b); |
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145 | |
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146 | ~EpsDrawer(); |
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147 | |
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148 | ///Save the current graphic state. |
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149 | |
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150 | ///This function saves the current coordinate system, and the parameters |
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151 | ///set by \ref color(), \ref lineWidth() etc. |
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152 | ///The can be \ref restore "restore()"d later. |
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153 | /// |
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154 | ///The \ref save() - \ref restore() pairs can be nested. |
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155 | /// |
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156 | EpsDrawer &save(); |
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157 | ///Restore the saves graphic state. |
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158 | |
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159 | EpsDrawer &restore(); |
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160 | |
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161 | ///Draw a line |
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162 | EpsDrawer &line(double x1,double y1,double x2,double y2); |
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163 | ///Draw a line from the current point |
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164 | EpsDrawer &lineTo(double x1,double y1); |
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165 | ///Move the current point |
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166 | EpsDrawer &moveTo(double x1,double y1); |
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167 | ///Draw a circle |
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168 | EpsDrawer &circle(double x,double y, double r); |
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169 | |
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170 | ///Draw a line |
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171 | template<class T> EpsDrawer &line(xy<T> p1,xy<T> p2) |
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172 | { |
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173 | return line(p1.x,p1.y,p2.x,p2.y); |
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174 | } |
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175 | ///Draw a line from the current point |
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176 | template<class T> EpsDrawer &lineTo(xy<T> p) |
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177 | { |
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178 | return lineTo(p.x,p.y); |
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179 | } |
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180 | ///Move the current point |
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181 | template<class T> EpsDrawer &moveTo(xy<T> p) |
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182 | { |
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183 | return moveTo(p.x,p.y); |
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184 | } |
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185 | ///Draw a circle |
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186 | template<class T> EpsDrawer &circle(xy<T> p, double r) |
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187 | { |
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188 | return circle(p.x,p.y,r); |
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189 | } |
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190 | |
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191 | ///Set the font size |
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192 | EpsDrawer &fontSize(double si); |
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193 | ///Set the fint type |
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194 | EpsDrawer &font(std::string ); |
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195 | ///Sets whether text output is centerized of not |
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196 | |
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197 | ///Sets whether text output is centerized of not. |
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198 | /// |
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199 | ///\warning \ref save() doesn't save this setting. |
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200 | /// |
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201 | EpsDrawer ¢erMode(bool m); |
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202 | ///Turn to collect mode. |
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203 | |
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204 | ///If you call this function, then the drawing operations like \ref line(), |
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205 | ///\ref lineTo(), \ref moveTo() will not take place immediately, but istead |
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206 | ///they |
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207 | ///are collected. These operations form a \e path. |
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208 | ///Then you can \ref stroke(), \ref fill(), \ref eofill(), \ref clip() or |
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209 | ///\ref eoclip() it. |
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210 | ///When drawing, you can also use \ref closePath() to - surprise - close the |
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211 | ///current path. |
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212 | /// |
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213 | ///This example draws a red filled diamond. |
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214 | ///\code |
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215 | /// EpsDraw ed("diamond.eps",-1,-1,1,1); |
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216 | /// ed.color(1,0,0,).collect().line(0,-1,1,0).lineTo(0,1) |
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217 | /// .lineTo(-1,0).closePath().fill(); |
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218 | ///\endcode |
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219 | EpsDrawer &collect(); |
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220 | ///Close the current drawing path |
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221 | EpsDrawer &closePath(); |
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222 | ///Stroke (draw) a path |
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223 | |
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224 | ///Stroke (draw) a path. |
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225 | ///\sa collect |
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226 | /// |
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227 | EpsDrawer &stroke(); |
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228 | ///Fill a path |
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229 | |
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230 | ///Fill a path. |
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231 | ///\sa collect |
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232 | /// |
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233 | EpsDrawer &fill(); |
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234 | ///Even-odd fill a path |
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235 | |
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236 | ///Even-odd fill a path. |
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237 | ///\sa collect |
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238 | /// |
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239 | EpsDrawer &eoFill(); |
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240 | ///Set a clipping area. |
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241 | |
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242 | ///This function sets a clipping area. After that, the drawing operations |
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243 | ///will affect only this area. |
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244 | ///\sa collect |
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245 | /// |
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246 | EpsDrawer &clip(); |
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247 | ///Set a clipping area using even-odd rule. |
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248 | |
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249 | ///This function sets a clipping area using even-odd rule. |
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250 | ///After that, the drawing operations |
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251 | ///will affect only this area. |
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252 | ///\sa collect |
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253 | /// |
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254 | EpsDrawer &eoClip(); |
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255 | |
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256 | ///Set the line width. |
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257 | EpsDrawer &lineWidth(double w); |
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258 | ///Set the style of the line ends |
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259 | |
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260 | ///\param i It can be 0, 1 or 2 |
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261 | /// |
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262 | EpsDrawer &lineCap(int i); |
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263 | ///Set the style of the line joins |
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264 | |
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265 | ///\param i It can be 0, 1 or 2 |
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266 | /// |
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267 | EpsDrawer &lineJoin(int i); |
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268 | ///Set the cut length of near parallel joining lines. |
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269 | EpsDrawer &miterLimit(double w); |
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270 | |
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271 | ///Set the drawing color |
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272 | EpsDrawer &color(double r, double g, double b); |
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273 | ///Set the drawing color |
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274 | EpsDrawer &color(Color c) |
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275 | { |
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276 | return color(c.red(),c.green(),c.blue()); |
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277 | } |
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278 | |
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279 | ///Draw a node shape |
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280 | |
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281 | ///Draw a node shape. |
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282 | /// |
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283 | ///\param t The shape of the drawn object |
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284 | ///\param x The \c x coordinate of the node |
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285 | ///\param y The \c y coordinate of the node |
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286 | ///\param col Color of the node. The default color is white |
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287 | ///\param brd Color of the node border. The default color is black |
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288 | EpsDrawer &node(NodeShapes t, double x, double y, double r, |
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289 | Color col=WHITE, Color brd=BLACK); |
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290 | ///Draw a node shape |
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291 | |
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292 | ///Draw a node shape. |
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293 | /// |
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294 | ///\param t The shape of the drawn object |
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295 | ///\param pos Position of the node |
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296 | ///\param col Color of the node. The default color is white |
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297 | ///\param brd Color of the node border. The default color is black |
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298 | template<class T> |
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299 | EpsDrawer &node(NodeShapes t, xy<T> pos, double r, |
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300 | Color col=WHITE, Color brd=BLACK) |
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301 | { |
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302 | return node(t,pos.x,pos.y,r,col,brd); |
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303 | } |
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304 | |
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305 | ///Translate the coordinate system |
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306 | EpsDrawer &translate(double x,double y); |
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307 | ///Translate the coordinate system |
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308 | template<class T> EpsDrawer &translate(xy<T> p) |
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309 | { |
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310 | return translate(p.x,p.y); |
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311 | } |
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312 | ///Rotate the coordinate system |
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313 | EpsDrawer &rotate(double r); |
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314 | ///Scale the coordinate system |
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315 | EpsDrawer &scale(double sx, double sy); |
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316 | ///Scale the coordinate system |
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317 | EpsDrawer &scale(double s) { return scale(s,s); } |
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318 | ///Scale the coordinate system |
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319 | template<class T> EpsDrawer &scale(xy<T> p) |
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320 | { |
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321 | return scale(p.x,p.y); |
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322 | } |
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323 | |
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324 | ///\e |
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325 | EpsDrawer &flush(); |
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326 | ///Clear the image |
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327 | EpsDrawer &clear(); |
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328 | |
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329 | ///Print a text at the current point |
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330 | EpsDrawer &operator<<(const std::string &s); |
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331 | ///Print a text at the current point |
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332 | EpsDrawer &operator<<(const char *s); |
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333 | ///Print a number at the current point |
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334 | EpsDrawer &operator<<(int i); |
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335 | ///Print a number at the current point |
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336 | EpsDrawer &operator<<(double d); |
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337 | ///Print a coordinate at the current point |
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338 | template<class T> |
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339 | EpsDrawer &operator<<(xy<T> p) |
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340 | { |
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341 | out << "((" << p.x << ',' << p.y <<")) show\n"; |
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342 | return *this; |
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343 | } |
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344 | |
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345 | }; |
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346 | |
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347 | } |
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348 | |
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349 | #endif |
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