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dl_dxf.h
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24 
25 #ifndef DL_DXF_H
26 #define DL_DXF_H
27 
28 #include "dl_global.h"
29 
30 #include <limits>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string>
34 #include <sstream>
35 #include <map>
36 
37 #include "dl_attributes.h"
38 #include "dl_codes.h"
39 #include "dl_entities.h"
40 #include "dl_writer_ascii.h"
41 
42 #ifdef _WIN32
43 #undef M_PI
44 #define M_PI 3.14159265358979323846
45 #pragma warning(disable : 4800)
46 #endif
47 
48 #ifndef M_PI
49 #define M_PI 3.1415926535897932384626433832795
50 #endif
51 
52 #ifndef DL_NANDOUBLE
53 #define DL_NANDOUBLE std::numeric_limits<double>::quiet_NaN()
54 #endif
55 
57 class DL_WriterA;
58 
59 
60 #define DL_VERSION "3.17.0.0"
61 
62 #define DL_VERSION_MAJOR 3
63 #define DL_VERSION_MINOR 17
64 #define DL_VERSION_REV 0
65 #define DL_VERSION_BUILD 0
66 
67 #define DL_UNKNOWN 0
68 #define DL_LAYER 10
69 #define DL_BLOCK 11
70 #define DL_ENDBLK 12
71 #define DL_LINETYPE 13
72 #define DL_STYLE 20
73 #define DL_SETTING 50
74 #define DL_ENTITY_POINT 100
75 #define DL_ENTITY_LINE 101
76 #define DL_ENTITY_POLYLINE 102
77 #define DL_ENTITY_LWPOLYLINE 103
78 #define DL_ENTITY_VERTEX 104
79 #define DL_ENTITY_SPLINE 105
80 #define DL_ENTITY_KNOT 106
81 #define DL_ENTITY_CONTROLPOINT 107
82 #define DL_ENTITY_ARC 108
83 #define DL_ENTITY_CIRCLE 109
84 #define DL_ENTITY_ELLIPSE 110
85 #define DL_ENTITY_INSERT 111
86 #define DL_ENTITY_TEXT 112
87 #define DL_ENTITY_MTEXT 113
88 #define DL_ENTITY_DIMENSION 114
89 #define DL_ENTITY_LEADER 115
90 #define DL_ENTITY_HATCH 116
91 #define DL_ENTITY_ATTRIB 117
92 #define DL_ENTITY_IMAGE 118
93 #define DL_ENTITY_IMAGEDEF 119
94 #define DL_ENTITY_TRACE 120
95 #define DL_ENTITY_SOLID 121
96 #define DL_ENTITY_3DFACE 122
97 #define DL_ENTITY_XLINE 123
98 #define DL_ENTITY_RAY 124
99 #define DL_ENTITY_ARCALIGNEDTEXT 125
100 #define DL_ENTITY_SEQEND 126
101 #define DL_XRECORD 200
102 #define DL_DICTIONARY 210
103 
104 
123 public:
124  DL_Dxf();
125  ~DL_Dxf();
126 
127  bool in(const std::string& file,
128  DL_CreationInterface* creationInterface);
129  bool readDxfGroups(FILE* fp,
130  DL_CreationInterface* creationInterface);
131  static bool getStrippedLine(std::string& s, unsigned int size,
132  FILE* stream, bool stripSpace = true);
133 
134  bool readDxfGroups(std::istream& stream,
135  DL_CreationInterface* creationInterface);
136  bool in(std::istream &stream,
137  DL_CreationInterface* creationInterface);
138  static bool getStrippedLine(std::string& s, unsigned int size,
139  std::istream& stream, bool stripSpace = true);
140 
141  static bool stripWhiteSpace(char** s, bool stripSpaces = true);
142 
143  bool processDXFGroup(DL_CreationInterface* creationInterface,
144  int groupCode, const std::string& groupValue);
145  void addSetting(DL_CreationInterface* creationInterface);
146  void addLayer(DL_CreationInterface* creationInterface);
147  void addLinetype(DL_CreationInterface *creationInterface);
148  void addBlock(DL_CreationInterface* creationInterface);
149  void endBlock(DL_CreationInterface* creationInterface);
150  void addTextStyle(DL_CreationInterface* creationInterface);
151 
152  void addPoint(DL_CreationInterface* creationInterface);
153  void addLine(DL_CreationInterface* creationInterface);
154  void addXLine(DL_CreationInterface* creationInterface);
155  void addRay(DL_CreationInterface* creationInterface);
156 
157  void addPolyline(DL_CreationInterface* creationInterface);
158  void addVertex(DL_CreationInterface* creationInterface);
159 
160  void addSpline(DL_CreationInterface* creationInterface);
161 
162  void addArc(DL_CreationInterface* creationInterface);
163  void addCircle(DL_CreationInterface* creationInterface);
164  void addEllipse(DL_CreationInterface* creationInterface);
165  void addInsert(DL_CreationInterface* creationInterface);
166 
167  void addTrace(DL_CreationInterface* creationInterface);
168  void add3dFace(DL_CreationInterface* creationInterface);
169  void addSolid(DL_CreationInterface* creationInterface);
170 
171  void addMText(DL_CreationInterface* creationInterface);
172  void addText(DL_CreationInterface* creationInterface);
173  void addArcAlignedText(DL_CreationInterface* creationInterface);
174 
175  void addAttribute(DL_CreationInterface* creationInterface);
176 
177  DL_DimensionData getDimData();
178  void addDimLinear(DL_CreationInterface* creationInterface);
179  void addDimAligned(DL_CreationInterface* creationInterface);
180  void addDimRadial(DL_CreationInterface* creationInterface);
181  void addDimDiametric(DL_CreationInterface* creationInterface);
182  void addDimAngular(DL_CreationInterface* creationInterface);
183  void addDimAngular3P(DL_CreationInterface* creationInterface);
184  void addDimOrdinate(DL_CreationInterface* creationInterface);
185 
186  void addLeader(DL_CreationInterface* creationInterface);
187 
188  void addHatch(DL_CreationInterface* creationInterface);
189  void addHatchLoop();
190  void addHatchEdge();
191  bool handleHatchData(DL_CreationInterface* creationInterface);
192 
193  void addImage(DL_CreationInterface* creationInterface);
194  void addImageDef(DL_CreationInterface* creationInterface);
195 
196  void addComment(DL_CreationInterface* creationInterface, const std::string& comment);
197 
198  void addDictionary(DL_CreationInterface* creationInterface);
199  void addDictionaryEntry(DL_CreationInterface* creationInterface);
200 
201  bool handleXRecordData(DL_CreationInterface* creationInterface);
202  bool handleDictionaryData(DL_CreationInterface* creationInterface);
203 
204  bool handleXData(DL_CreationInterface *creationInterface);
205  bool handleMTextData(DL_CreationInterface* creationInterface);
206  bool handleLWPolylineData(DL_CreationInterface* creationInterface);
207  bool handleSplineData(DL_CreationInterface* creationInterface);
208  bool handleLeaderData(DL_CreationInterface* creationInterface);
209  bool handleLinetypeData(DL_CreationInterface* creationInterface);
210 
211  void endEntity(DL_CreationInterface* creationInterface);
212 
213  void endSequence(DL_CreationInterface* creationInterface);
214 
215  //int stringToInt(const char* s, bool* ok=NULL);
216 
217  DL_WriterA* out(const char* file,
219 
220  void writeHeader(DL_WriterA& dw);
221 
222  void writePoint(DL_WriterA& dw,
223  const DL_PointData& data,
224  const DL_Attributes& attrib);
225  void writeLine(DL_WriterA& dw,
226  const DL_LineData& data,
227  const DL_Attributes& attrib);
228  void writeXLine(DL_WriterA& dw,
229  const DL_XLineData& data,
230  const DL_Attributes& attrib);
231  void writeRay(DL_WriterA& dw,
232  const DL_RayData& data,
233  const DL_Attributes& attrib);
234  void writePolyline(DL_WriterA& dw,
235  const DL_PolylineData& data,
236  const DL_Attributes& attrib);
237  void writeVertex(DL_WriterA& dw,
238  const DL_VertexData& data);
239  void writePolylineEnd(DL_WriterA& dw);
240  void writeSpline(DL_WriterA& dw,
241  const DL_SplineData& data,
242  const DL_Attributes& attrib);
243  void writeControlPoint(DL_WriterA& dw,
244  const DL_ControlPointData& data);
245  void writeFitPoint(DL_WriterA& dw,
246  const DL_FitPointData& data);
247  void writeKnot(DL_WriterA& dw,
248  const DL_KnotData& data);
249  void writeCircle(DL_WriterA& dw,
250  const DL_CircleData& data,
251  const DL_Attributes& attrib);
252  void writeArc(DL_WriterA& dw,
253  const DL_ArcData& data,
254  const DL_Attributes& attrib);
255  void writeEllipse(DL_WriterA& dw,
256  const DL_EllipseData& data,
257  const DL_Attributes& attrib);
258  void writeSolid(DL_WriterA& dw,
259  const DL_SolidData& data,
260  const DL_Attributes& attrib);
261  void writeTrace(DL_WriterA& dw,
262  const DL_TraceData& data,
263  const DL_Attributes& attrib);
264  void write3dFace(DL_WriterA& dw,
265  const DL_3dFaceData& data,
266  const DL_Attributes& attrib);
267  void writeInsert(DL_WriterA& dw,
268  const DL_InsertData& data,
269  const DL_Attributes& attrib);
270  void writeMText(DL_WriterA& dw,
271  const DL_MTextData& data,
272  const DL_Attributes& attrib);
273  void writeText(DL_WriterA& dw,
274  const DL_TextData& data,
275  const DL_Attributes& attrib);
276  void writeAttribute(DL_WriterA& dw,
277  const DL_AttributeData& data,
278  const DL_Attributes& attrib);
279  void writeDimStyleOverrides(DL_WriterA& dw,
280  const DL_DimensionData& data);
281  void writeDimAligned(DL_WriterA& dw,
282  const DL_DimensionData& data,
283  const DL_DimAlignedData& edata,
284  const DL_Attributes& attrib);
285  void writeDimLinear(DL_WriterA& dw,
286  const DL_DimensionData& data,
287  const DL_DimLinearData& edata,
288  const DL_Attributes& attrib);
289  void writeDimRadial(DL_WriterA& dw,
290  const DL_DimensionData& data,
291  const DL_DimRadialData& edata,
292  const DL_Attributes& attrib);
293  void writeDimDiametric(DL_WriterA& dw,
294  const DL_DimensionData& data,
295  const DL_DimDiametricData& edata,
296  const DL_Attributes& attrib);
297  void writeDimAngular(DL_WriterA& dw,
298  const DL_DimensionData& data,
299  const DL_DimAngularData& edata,
300  const DL_Attributes& attrib);
301  void writeDimAngular3P(DL_WriterA& dw,
302  const DL_DimensionData& data,
303  const DL_DimAngular3PData& edata,
304  const DL_Attributes& attrib);
305  void writeDimOrdinate(DL_WriterA& dw,
306  const DL_DimensionData& data,
307  const DL_DimOrdinateData& edata,
308  const DL_Attributes& attrib);
309  void writeLeader(DL_WriterA& dw,
310  const DL_LeaderData& data,
311  const DL_Attributes& attrib);
312  void writeLeaderVertex(DL_WriterA& dw,
313  const DL_LeaderVertexData& data);
314  void writeHatch1(DL_WriterA& dw,
315  const DL_HatchData& data,
316  const DL_Attributes& attrib);
317  void writeHatch2(DL_WriterA& dw,
318  const DL_HatchData& data,
319  const DL_Attributes& attrib);
320  void writeHatchLoop1(DL_WriterA& dw,
321  const DL_HatchLoopData& data);
322  void writeHatchLoop2(DL_WriterA& dw,
323  const DL_HatchLoopData& data);
324  void writeHatchEdge(DL_WriterA& dw,
325  const DL_HatchEdgeData& data);
326 
327  int writeImage(DL_WriterA& dw,
328  const DL_ImageData& data,
329  const DL_Attributes& attrib);
330 
331  void writeImageDef(DL_WriterA& dw, int handle,
332  const DL_ImageData& data);
333 
334  void writeLayer(DL_WriterA& dw,
335  const DL_LayerData& data,
336  const DL_Attributes& attrib);
337 
338  void writeLinetype(DL_WriterA& dw,
339  const DL_LinetypeData& data);
340 
341  void writeAppid(DL_WriterA& dw, const std::string& name);
342 
343  void writeBlock(DL_WriterA& dw,
344  const DL_BlockData& data);
345  void writeEndBlock(DL_WriterA& dw, const std::string& name);
346 
347  void writeVPort(DL_WriterA& dw);
348  void writeStyle(DL_WriterA& dw, const DL_StyleData& style);
349  void writeView(DL_WriterA& dw);
350  void writeUcs(DL_WriterA& dw);
351  void writeDimStyle(DL_WriterA& dw,
352  double dimasz, double dimexe, double dimexo,
353  double dimgap, double dimtxt);
354  void writeBlockRecord(DL_WriterA& dw);
355  void writeBlockRecord(DL_WriterA& dw, const std::string& name);
356  void writeObjects(DL_WriterA& dw, const std::string& appDictionaryName = "");
357  void writeAppDictionary(DL_WriterA& dw);
358  int writeDictionaryEntry(DL_WriterA& dw, const std::string& name);
359  void writeXRecord(DL_WriterA& dw, int handle, int value);
360  void writeXRecord(DL_WriterA& dw, int handle, double value);
361  void writeXRecord(DL_WriterA& dw, int handle, bool value);
362  void writeXRecord(DL_WriterA& dw, int handle, const std::string& value);
363  void writeObjectsEnd(DL_WriterA& dw);
364 
365  void writeComment(DL_WriterA& dw, const std::string& comment);
366 
371  //static double toReal(const char* value, double def=0.0);
372 
377 // static int toInt(const char* value, int def=0) {
378 // if (value!=NULL && value[0] != '\0') {
379 // return atoi(value);
380 // }
381 
382 // return def;
383 // }
384 
389 // static const char* toString(const char* value, const char* def="") {
390 // if (value!=NULL && value[0] != '\0') {
391 // return value;
392 // } else {
393 // return def;
394 // }
395 // }
396 
397  static bool checkVariable(const char* var, DL_Codes::version version);
398 
400  return version;
401  }
402 
403  int getLibVersion(const std::string &str);
404 
405  static void test();
406 
407  bool hasValue(int code) {
408  return values.count(code)==1;
409  }
410 
411  int getIntValue(int code, int def) {
412  if (!hasValue(code)) {
413  return def;
414  }
415  return toInt(values[code]);
416  }
417 
418  int toInt(const std::string& str) {
419  char* p;
420  return strtol(str.c_str(), &p, 10);
421  }
422 
423  int getInt16Value(int code, int def) {
424  if (!hasValue(code)) {
425  return def;
426  }
427  return toInt16(values[code]);
428  }
429 
430  int toInt16(const std::string& str) {
431  char* p;
432  return strtol(str.c_str(), &p, 16);
433  }
434 
435  bool toBool(const std::string& str) {
436  char* p;
437  return (bool)strtol(str.c_str(), &p, 10);
438  }
439 
440  std::string getStringValue(int code, const std::string& def) {
441  if (!hasValue(code)) {
442  return def;
443  }
444  return values[code];
445  }
446 
447  double getRealValue(int code, double def) {
448  if (!hasValue(code)) {
449  return def;
450  }
451  return toReal(values[code]);
452  }
453 
454  double toReal(const std::string& str) {
455  double ret;
456  // make sure the real value uses '.' not ',':
457  std::string str2 = str;
458  std::replace(str2.begin(), str2.end(), ',', '.');
459  // make sure c++ expects '.' not ',':
460  std::istringstream istr(str2);
461  //istr.imbue(std::locale("C"));
462  istr >> ret;
463  return ret;
464  }
465 
466 private:
468 
469  std::string polylineLayer;
470  double* vertices;
473 
474  double* knots;
475  int maxKnots;
477 
478  double* weights;
480 
481  double* controlPoints;
484 
485  double* fitPoints;
488 
489  double* leaderVertices;
492 
495  std::vector<std::vector<DL_HatchEdgeData> > hatchEdges;
496 
497  std::string xRecordHandle;
499 
500  // Only the useful part of the group code
501  std::string groupCodeTmp;
502  // ...same as integer
503  unsigned int groupCode;
504  // Only the useful part of the group value
505  std::string groupValue;
506  // Current entity type
508  // Value of the current setting
509  char settingValue[DL_DXF_MAXLINE+1];
510  // Key of the current setting (e.g. "$ACADVER")
511  std::string settingKey;
512  // Stores the group codes
513  std::map<int, std::string> values;
514  // First call of this method. We initialize all group values in
515  // the first call.
516  bool firstCall;
517  // Attributes of the current entity (layer, color, width, line type)
519  // library version. hex: 0x20003001 = 2.0.3.1
521  // app specific dictionary handle:
522  unsigned long appDictionaryHandle;
523  // handle of standard text style, referenced by dimstyle:
524  unsigned long styleHandleStd;
525 };
526 
527 #endif
528 
529 // EOF
unsigned int groupCode
Definition: dl_dxf.h:503
bool firstHatchLoop
Definition: dl_dxf.h:493
double * leaderVertices
Definition: dl_dxf.h:489
double * knots
Definition: dl_dxf.h:474
Radial Dimension Data.
Definition: dl_entities.h:1183
Hatch data.
Definition: dl_entities.h:1464
Generic Dimension Data.
Definition: dl_entities.h:990
Implements functions defined in DL_Writer for writing low level DXF constructs to an ASCII format DXF...
Definition: dl_writer_ascii.h:49
Ordinate Dimension Data.
Definition: dl_entities.h:1350
std::string settingKey
Definition: dl_dxf.h:511
Abstract class (interface) for the creation of new entities.
Definition: dl_creationinterface.h:47
bool hasValue(int code)
Definition: dl_dxf.h:407
void addPoint(void position)
Adds a point to the drawing.
Definition: simple_create.js:101
void addLine(void startPoint, void endPoint)
Adds a line to the drawing.
Definition: simple_create.js:89
Reading and writing of DXF files.
Definition: dl_dxf.h:122
int getInt16Value(int code, int def)
Definition: dl_dxf.h:423
Aligned Dimension Data.
Definition: dl_entities.h:1100
Circle Data.
Definition: dl_entities.h:352
int maxVertices
Definition: dl_dxf.h:471
Storing and passing around attributes.
Definition: dl_attributes.h:41
double getRealValue(int code, double def)
Definition: dl_dxf.h:447
int maxControlPoints
Definition: dl_dxf.h:482
Text Data.
Definition: dl_entities.h:800
Line Data.
Definition: dl_entities.h:221
unsigned long styleHandleStd
Definition: dl_dxf.h:524
void version()
Prints version information.
Definition: autostart.js:14
Text style data.
Definition: dl_entities.h:130
Linear (rotated) Dimension Data.
Definition: dl_entities.h:1137
int fitPointIndex
Definition: dl_dxf.h:487
#define DL_VERSION_2000
Definition: dl_codes.h:378
Spline knot data.
Definition: dl_entities.h:556
#define DXFLIB_EXPORT
Definition: dl_global.h:12
int toInt16(const std::string &str)
Definition: dl_dxf.h:430
int getIntValue(int code, int def)
Definition: dl_dxf.h:411
unsigned long appDictionaryHandle
Definition: dl_dxf.h:522
std::string polylineLayer
Definition: dl_dxf.h:469
void addArc(void center, void radius, void startAngle, void endAngle, void reversed)
Adds an arc to the drawing.
Definition: simple_create.js:77
double toReal(const std::string &str)
Definition: dl_dxf.h:454
std::string xRecordHandle
Definition: dl_dxf.h:497
int maxKnots
Definition: dl_dxf.h:475
void addSpline(void points, void closed)
Adds a spline to the drawing.
Definition: simple_create.js:15
int vertexIndex
Definition: dl_dxf.h:472
Hatch edge data.
Definition: dl_entities.h:1533
Spline fit point data.
Definition: dl_entities.h:602
Polyline Data.
Definition: dl_entities.h:382
Point Data.
Definition: dl_entities.h:197
Line Type Data.
Definition: dl_entities.h:90
Block Data.
Definition: dl_entities.h:59
#define DL_DXF_MAXLINE
Definition: dl_codes.h:58
MText Data.
Definition: dl_entities.h:719
std::string getStringValue(int code, const std::string &def)
Definition: dl_dxf.h:440
int knotIndex
Definition: dl_dxf.h:476
double * fitPoints
Definition: dl_dxf.h:485
double * weights
Definition: dl_dxf.h:478
Arc Data.
Definition: dl_entities.h:315
bool toBool(const std::string &str)
Definition: dl_dxf.h:435
DL_Attributes attrib
Definition: dl_dxf.h:518
XLine Data.
Definition: dl_entities.h:255
Trace Data / solid data / 3d face data.
Definition: dl_entities.h:444
void addCircle(void center, void radius)
Adds a circle to the drawing.
Definition: simple_create.js:56
void addPolyline(void points, void closed, void relative)
Adds a polyline to the drawing.
Definition: simple_create.js:44
int weightIndex
Definition: dl_dxf.h:479
Image Data.
Definition: dl_entities.h:1703
Angular Dimension Data (3 points version).
Definition: dl_entities.h:1301
bool xRecordValues
Definition: dl_dxf.h:498
int toInt(const std::string &str)
Definition: dl_dxf.h:418
Ray Data.
Definition: dl_entities.h:284
std::vector< std::vector< DL_HatchEdgeData > > hatchEdges
Definition: dl_dxf.h:495
std::string groupCodeTmp
Definition: dl_dxf.h:501
double * vertices
Definition: dl_dxf.h:470
Insert Data.
Definition: dl_entities.h:669
int currentObjectType
Definition: dl_dxf.h:507
int maxFitPoints
Definition: dl_dxf.h:486
Spline control point data.
Definition: dl_entities.h:575
Leader (arrow).
Definition: dl_entities.h:1393
Layer Data.
Definition: dl_entities.h:36
Angular Dimension Data.
Definition: dl_entities.h:1241
DL_Codes::version version
Definition: dl_dxf.h:467
Diametric Dimension Data.
Definition: dl_entities.h:1212
Vertex Data.
Definition: dl_entities.h:416
int maxLeaderVertices
Definition: dl_dxf.h:490
Ellipse Data.
Definition: dl_entities.h:622
double * controlPoints
Definition: dl_dxf.h:481
version
Version numbers for the DXF Format.
Definition: dl_codes.h:96
int leaderVertexIndex
Definition: dl_dxf.h:491
Block attribute data.
Definition: dl_entities.h:950
std::string groupValue
Definition: dl_dxf.h:505
bool firstCall
Definition: dl_dxf.h:516
int libVersion
Definition: dl_dxf.h:520
Hatch boundary path (loop) data.
Definition: dl_entities.h:1511
Spline Data.
Definition: dl_entities.h:511
DL_Codes::version getVersion()
Definition: dl_dxf.h:399
DL_HatchEdgeData hatchEdge
Definition: dl_dxf.h:494
int controlPointIndex
Definition: dl_dxf.h:483
std::map< int, std::string > values
Definition: dl_dxf.h:513
Leader Vertex Data.
Definition: dl_entities.h:1440