[1971] | 1 | /* -*- C++ -*- |
---|
| 2 | * |
---|
| 3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
| 4 | * |
---|
| 5 | * Copyright (C) 2003-2006 |
---|
| 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
| 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
| 8 | * |
---|
| 9 | * Permission to use, modify and distribute this software is granted |
---|
| 10 | * provided that this copyright notice appears in all copies. For |
---|
| 11 | * precise terms see the accompanying LICENSE file. |
---|
| 12 | * |
---|
| 13 | * This software is provided "AS IS" with no warranty of any kind, |
---|
| 14 | * express or implied, and with no claim as to its suitability for any |
---|
| 15 | * purpose. |
---|
| 16 | * |
---|
| 17 | */ |
---|
| 18 | |
---|
| 19 | #ifndef LEMON_EPS_H |
---|
| 20 | #define LEMON_EPS_H |
---|
| 21 | |
---|
| 22 | #include<string> |
---|
| 23 | #include<iostream> |
---|
| 24 | #include<fstream> |
---|
| 25 | #include<sstream> |
---|
| 26 | #include<lemon/color.h> |
---|
[2207] | 27 | #include<lemon/dim2.h> |
---|
[1971] | 28 | |
---|
[2084] | 29 | ///\ingroup eps_io |
---|
[1971] | 30 | ///\file |
---|
| 31 | ///\brief Simple tool to create \c .eps files |
---|
| 32 | /// |
---|
| 33 | ///\author Alpar Juttner |
---|
| 34 | |
---|
| 35 | namespace lemon { |
---|
| 36 | |
---|
[2084] | 37 | ///\ingroup eps_io |
---|
[1971] | 38 | ///\brief A simple tool to create \c .eps files |
---|
| 39 | /// |
---|
| 40 | ///A simple tool to create \c .eps files |
---|
| 41 | ///\author Alpar Juttner |
---|
| 42 | class EpsDrawer |
---|
| 43 | { |
---|
| 44 | void defMacros(); |
---|
| 45 | void init(int x1,int y1,int x2,int y2); |
---|
| 46 | void init(double x1,double y1,double x2,double y2); |
---|
| 47 | bool local_stream; |
---|
| 48 | public: |
---|
| 49 | |
---|
| 50 | std::ostream &out; |
---|
| 51 | |
---|
[2008] | 52 | ///Node shapes |
---|
| 53 | /// |
---|
| 54 | enum NodeShapes { |
---|
| 55 | /// = 0 |
---|
| 56 | ///\image html nodeshape_0.png |
---|
| 57 | ///\image latex nodeshape_0.eps "CIRCLE shape (0)" width=2cm |
---|
| 58 | CIRCLE=0, |
---|
| 59 | /// = 1 |
---|
| 60 | ///\image html nodeshape_1.png |
---|
| 61 | ///\image latex nodeshape_1.eps "SQUARE shape (1)" width=2cm |
---|
| 62 | /// |
---|
| 63 | SQUARE=1, |
---|
| 64 | /// = 2 |
---|
| 65 | ///\image html nodeshape_2.png |
---|
| 66 | ///\image latex nodeshape_2.eps "DIAMOND shape (2)" width=2cm |
---|
| 67 | /// |
---|
| 68 | DIAMOND=2, |
---|
| 69 | /// = 3 |
---|
| 70 | ///\image html nodeshape_3.png |
---|
| 71 | ///\image latex nodeshape_2.eps "MALE shape (4)" width=2cm |
---|
| 72 | /// |
---|
| 73 | ///\warning Not implemented |
---|
| 74 | MALE=3, |
---|
| 75 | /// = 4 |
---|
| 76 | ///\image html nodeshape_4.png |
---|
| 77 | ///\image latex nodeshape_2.eps "FEMALE shape (4)" width=2cm |
---|
| 78 | /// |
---|
| 79 | ///\warning Not implemented |
---|
| 80 | FEMALE=4 |
---|
| 81 | }; |
---|
[1971] | 82 | ///\e |
---|
| 83 | |
---|
| 84 | ///The generated file is put to \c os. |
---|
| 85 | /// |
---|
| 86 | /// \c x and \c y determine the upper |
---|
| 87 | ///right corner of the bounding box. The lower left corner is (0,0). |
---|
| 88 | EpsDrawer(std::ostream &os,int x,int y); |
---|
| 89 | ///\e |
---|
| 90 | |
---|
| 91 | ///The generated file is put to \c os. |
---|
| 92 | /// |
---|
| 93 | ///(x1,y1) and (x2,y2) |
---|
| 94 | /// determine the lower left and the upper right corners of |
---|
| 95 | ///the bounding box, respectively. |
---|
| 96 | EpsDrawer(std::ostream &os,int x1,int y1,int x2,int y2); |
---|
| 97 | ///\e |
---|
| 98 | |
---|
| 99 | ///The generated file is put to \c os. |
---|
| 100 | /// |
---|
| 101 | ///\c s determines the upper |
---|
| 102 | ///right corner of the bounding box. The lower left corner is (0,0). |
---|
[2207] | 103 | EpsDrawer(std::ostream &os,dim2::Point<double> s); |
---|
[1971] | 104 | ///\e |
---|
| 105 | |
---|
| 106 | ///The generated file is put to \c os. |
---|
| 107 | /// |
---|
| 108 | ///\c a and \c b |
---|
| 109 | /// determine the lower left and the upper right corners of |
---|
| 110 | ///the bounding box, respectively. |
---|
[2207] | 111 | EpsDrawer(std::ostream &os,dim2::Point<double> a, dim2::Point<double> b); |
---|
[1971] | 112 | ///\e |
---|
| 113 | |
---|
| 114 | ///The generated picture is put to the file \c name. |
---|
| 115 | /// |
---|
| 116 | ///\c x and \c y determine the upper |
---|
| 117 | ///right corner of the bounding box. The lower left corner is (0,0). |
---|
| 118 | EpsDrawer(const std::string &name,int x,int y); |
---|
| 119 | ///\e |
---|
| 120 | |
---|
| 121 | ///The generated picture is put to the file \c name. |
---|
| 122 | /// |
---|
| 123 | ///(x1,y1) and (x2,y2) |
---|
| 124 | /// determine the lower left and the upper right corners of |
---|
| 125 | ///the bounding box, respectively. |
---|
| 126 | EpsDrawer(const std::string &name,int x1,int y1,int x2,int y2); |
---|
| 127 | ///\e |
---|
| 128 | |
---|
| 129 | ///The generated picture is put to the file \c name. |
---|
| 130 | /// |
---|
| 131 | ///\c s determines the upper |
---|
| 132 | ///right corner of the bounding box. The lower left corner is (0,0). |
---|
[2207] | 133 | EpsDrawer(const std::string &name,dim2::Point<double> s); |
---|
[1971] | 134 | ///\e |
---|
| 135 | |
---|
| 136 | ///The generated picture is put to the file \c name. |
---|
| 137 | /// |
---|
| 138 | ///\c a and \c b |
---|
| 139 | /// determine the lower left and the upper right corners of |
---|
| 140 | ///the bounding box, respectively. |
---|
[2207] | 141 | EpsDrawer(const std::string &name,dim2::Point<double> a, dim2::Point<double> b); |
---|
[1971] | 142 | |
---|
| 143 | // template<class T> EpsDrawer(std::ostream &os,BoundingBox<T> b) |
---|
| 144 | // template<class T> EpsDrawer(std::ostream &os,BoundingBox<T> b); |
---|
| 145 | |
---|
| 146 | ~EpsDrawer(); |
---|
| 147 | |
---|
| 148 | ///Save the current graphic state. |
---|
| 149 | |
---|
| 150 | ///This function saves the current coordinate system, and the parameters |
---|
| 151 | ///set by \ref color(), \ref lineWidth() etc. |
---|
| 152 | ///The can be \ref restore "restore()"d later. |
---|
| 153 | /// |
---|
| 154 | ///The \ref save() - \ref restore() pairs can be nested. |
---|
| 155 | /// |
---|
| 156 | EpsDrawer &save(); |
---|
| 157 | ///Restore the saves graphic state. |
---|
| 158 | |
---|
| 159 | EpsDrawer &restore(); |
---|
| 160 | |
---|
| 161 | ///Draw a line |
---|
| 162 | EpsDrawer &line(double x1,double y1,double x2,double y2); |
---|
| 163 | ///Draw a line from the current point |
---|
| 164 | EpsDrawer &lineTo(double x1,double y1); |
---|
| 165 | ///Move the current point |
---|
| 166 | EpsDrawer &moveTo(double x1,double y1); |
---|
| 167 | ///Draw a circle |
---|
| 168 | EpsDrawer &circle(double x,double y, double r); |
---|
| 169 | |
---|
| 170 | ///Draw a line |
---|
[2207] | 171 | template<class T> EpsDrawer &line(dim2::Point<T> p1,dim2::Point<T> p2) |
---|
[1971] | 172 | { |
---|
| 173 | return line(p1.x,p1.y,p2.x,p2.y); |
---|
| 174 | } |
---|
| 175 | ///Draw a line from the current point |
---|
[2207] | 176 | template<class T> EpsDrawer &lineTo(dim2::Point<T> p) |
---|
[1971] | 177 | { |
---|
| 178 | return lineTo(p.x,p.y); |
---|
| 179 | } |
---|
| 180 | ///Move the current point |
---|
[2207] | 181 | template<class T> EpsDrawer &moveTo(dim2::Point<T> p) |
---|
[1971] | 182 | { |
---|
| 183 | return moveTo(p.x,p.y); |
---|
| 184 | } |
---|
| 185 | ///Draw a circle |
---|
[2207] | 186 | template<class T> EpsDrawer &circle(dim2::Point<T> p, double r) |
---|
[1971] | 187 | { |
---|
| 188 | return circle(p.x,p.y,r); |
---|
| 189 | } |
---|
| 190 | |
---|
| 191 | ///Set the font size |
---|
| 192 | EpsDrawer &fontSize(double si); |
---|
| 193 | ///Set the fint type |
---|
| 194 | EpsDrawer &font(std::string ); |
---|
| 195 | ///Sets whether text output is centerized of not |
---|
| 196 | |
---|
| 197 | ///Sets whether text output is centerized of not. |
---|
| 198 | /// |
---|
| 199 | ///\warning \ref save() doesn't save this setting. |
---|
| 200 | /// |
---|
| 201 | EpsDrawer ¢erMode(bool m); |
---|
| 202 | ///Turn to collect mode. |
---|
| 203 | |
---|
| 204 | ///If you call this function, then the drawing operations like \ref line(), |
---|
| 205 | ///\ref lineTo(), \ref moveTo() will not take place immediately, but istead |
---|
| 206 | ///they |
---|
| 207 | ///are collected. These operations form a \e path. |
---|
| 208 | ///Then you can \ref stroke(), \ref fill(), \ref eofill(), \ref clip() or |
---|
| 209 | ///\ref eoclip() it. |
---|
| 210 | ///When drawing, you can also use \ref closePath() to - surprise - close the |
---|
| 211 | ///current path. |
---|
| 212 | /// |
---|
| 213 | ///This example draws a red filled diamond. |
---|
| 214 | ///\code |
---|
| 215 | /// EpsDraw ed("diamond.eps",-1,-1,1,1); |
---|
| 216 | /// ed.color(1,0,0,).collect().line(0,-1,1,0).lineTo(0,1) |
---|
| 217 | /// .lineTo(-1,0).closePath().fill(); |
---|
| 218 | ///\endcode |
---|
| 219 | EpsDrawer &collect(); |
---|
| 220 | ///Close the current drawing path |
---|
| 221 | EpsDrawer &closePath(); |
---|
| 222 | ///Stroke (draw) a path |
---|
| 223 | |
---|
| 224 | ///Stroke (draw) a path. |
---|
| 225 | ///\sa collect |
---|
| 226 | /// |
---|
| 227 | EpsDrawer &stroke(); |
---|
| 228 | ///Fill a path |
---|
| 229 | |
---|
| 230 | ///Fill a path. |
---|
| 231 | ///\sa collect |
---|
| 232 | /// |
---|
| 233 | EpsDrawer &fill(); |
---|
| 234 | ///Even-odd fill a path |
---|
| 235 | |
---|
| 236 | ///Even-odd fill a path. |
---|
| 237 | ///\sa collect |
---|
| 238 | /// |
---|
| 239 | EpsDrawer &eoFill(); |
---|
| 240 | ///Set a clipping area. |
---|
| 241 | |
---|
| 242 | ///This function sets a clipping area. After that, the drawing operations |
---|
| 243 | ///will affect only this area. |
---|
| 244 | ///\sa collect |
---|
| 245 | /// |
---|
| 246 | EpsDrawer &clip(); |
---|
| 247 | ///Set a clipping area using even-odd rule. |
---|
| 248 | |
---|
| 249 | ///This function sets a clipping area using even-odd rule. |
---|
| 250 | ///After that, the drawing operations |
---|
| 251 | ///will affect only this area. |
---|
| 252 | ///\sa collect |
---|
| 253 | /// |
---|
| 254 | EpsDrawer &eoClip(); |
---|
| 255 | |
---|
| 256 | ///Set the line width. |
---|
| 257 | EpsDrawer &lineWidth(double w); |
---|
| 258 | ///Set the style of the line ends |
---|
| 259 | |
---|
| 260 | ///\param i It can be 0, 1 or 2 |
---|
| 261 | /// |
---|
| 262 | EpsDrawer &lineCap(int i); |
---|
| 263 | ///Set the style of the line joins |
---|
| 264 | |
---|
| 265 | ///\param i It can be 0, 1 or 2 |
---|
| 266 | /// |
---|
| 267 | EpsDrawer &lineJoin(int i); |
---|
| 268 | ///Set the cut length of near parallel joining lines. |
---|
| 269 | EpsDrawer &miterLimit(double w); |
---|
| 270 | |
---|
| 271 | ///Set the drawing color |
---|
| 272 | EpsDrawer &color(double r, double g, double b); |
---|
| 273 | ///Set the drawing color |
---|
| 274 | EpsDrawer &color(Color c) |
---|
| 275 | { |
---|
| 276 | return color(c.red(),c.green(),c.blue()); |
---|
| 277 | } |
---|
| 278 | |
---|
[2008] | 279 | ///Draw a node shape |
---|
| 280 | |
---|
| 281 | ///Draw a node shape. |
---|
| 282 | /// |
---|
| 283 | ///\param t The shape of the drawn object |
---|
| 284 | ///\param x The \c x coordinate of the node |
---|
| 285 | ///\param y The \c y coordinate of the node |
---|
| 286 | ///\param col Color of the node. The default color is white |
---|
| 287 | ///\param brd Color of the node border. The default color is black |
---|
| 288 | EpsDrawer &node(NodeShapes t, double x, double y, double r, |
---|
[2174] | 289 | Color col=WHITE, Color brd=BLACK); |
---|
[2008] | 290 | ///Draw a node shape |
---|
| 291 | |
---|
| 292 | ///Draw a node shape. |
---|
| 293 | /// |
---|
| 294 | ///\param t The shape of the drawn object |
---|
| 295 | ///\param pos Position of the node |
---|
| 296 | ///\param col Color of the node. The default color is white |
---|
| 297 | ///\param brd Color of the node border. The default color is black |
---|
| 298 | template<class T> |
---|
[2207] | 299 | EpsDrawer &node(NodeShapes t, dim2::Point<T> pos, double r, |
---|
[2174] | 300 | Color col=WHITE, Color brd=BLACK) |
---|
[2008] | 301 | { |
---|
| 302 | return node(t,pos.x,pos.y,r,col,brd); |
---|
| 303 | } |
---|
| 304 | |
---|
[1971] | 305 | ///Translate the coordinate system |
---|
| 306 | EpsDrawer &translate(double x,double y); |
---|
| 307 | ///Translate the coordinate system |
---|
[2207] | 308 | template<class T> EpsDrawer &translate(dim2::Point<T> p) |
---|
[1971] | 309 | { |
---|
| 310 | return translate(p.x,p.y); |
---|
| 311 | } |
---|
| 312 | ///Rotate the coordinate system |
---|
| 313 | EpsDrawer &rotate(double r); |
---|
| 314 | ///Scale the coordinate system |
---|
| 315 | EpsDrawer &scale(double sx, double sy); |
---|
| 316 | ///Scale the coordinate system |
---|
| 317 | EpsDrawer &scale(double s) { return scale(s,s); } |
---|
| 318 | ///Scale the coordinate system |
---|
[2207] | 319 | template<class T> EpsDrawer &scale(dim2::Point<T> p) |
---|
[1971] | 320 | { |
---|
| 321 | return scale(p.x,p.y); |
---|
| 322 | } |
---|
| 323 | |
---|
| 324 | ///\e |
---|
| 325 | EpsDrawer &flush(); |
---|
| 326 | ///Clear the image |
---|
| 327 | EpsDrawer &clear(); |
---|
| 328 | |
---|
| 329 | ///Print a text at the current point |
---|
| 330 | EpsDrawer &operator<<(const std::string &s); |
---|
| 331 | ///Print a text at the current point |
---|
| 332 | EpsDrawer &operator<<(const char *s); |
---|
| 333 | ///Print a number at the current point |
---|
| 334 | EpsDrawer &operator<<(int i); |
---|
| 335 | ///Print a number at the current point |
---|
| 336 | EpsDrawer &operator<<(double d); |
---|
| 337 | ///Print a coordinate at the current point |
---|
| 338 | template<class T> |
---|
[2207] | 339 | EpsDrawer &operator<<(dim2::Point<T> p) |
---|
[1971] | 340 | { |
---|
| 341 | out << "((" << p.x << ',' << p.y <<")) show\n"; |
---|
| 342 | return *this; |
---|
| 343 | } |
---|
| 344 | |
---|
| 345 | }; |
---|
| 346 | |
---|
| 347 | } |
---|
| 348 | |
---|
| 349 | #endif |
---|