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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 "3.12.2.0"
61 
62 #define DL_VERSION_MAJOR 3
63 #define DL_VERSION_MINOR 12
64 #define DL_VERSION_REV 2
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_SEQEND 125
100 #define DL_XRECORD 200
101 #define DL_DICTIONARY 210
102 
103 
122 public:
123  DL_Dxf();
124  ~DL_Dxf();
125 
126  bool in(const std::string& file,
127  DL_CreationInterface* creationInterface);
128  bool readDxfGroups(FILE* fp,
129  DL_CreationInterface* creationInterface);
130  static bool getStrippedLine(std::string& s, unsigned int size,
131  FILE* stream, bool stripSpace = true);
132 
133  bool readDxfGroups(std::stringstream& stream,
134  DL_CreationInterface* creationInterface);
135  bool in(std::stringstream &stream,
136  DL_CreationInterface* creationInterface);
137  static bool getStrippedLine(std::string& s, unsigned int size,
138  std::stringstream& stream, bool stripSpace = true);
139 
140  static bool stripWhiteSpace(char** s, bool stripSpaces = true);
141 
142  bool processDXFGroup(DL_CreationInterface* creationInterface,
143  int groupCode, const std::string& groupValue);
144  void addSetting(DL_CreationInterface* creationInterface);
145  void addLayer(DL_CreationInterface* creationInterface);
146  void addLinetype(DL_CreationInterface *creationInterface);
147  void addBlock(DL_CreationInterface* creationInterface);
148  void endBlock(DL_CreationInterface* creationInterface);
149  void addTextStyle(DL_CreationInterface* creationInterface);
150 
151  void addPoint(DL_CreationInterface* creationInterface);
152  void addLine(DL_CreationInterface* creationInterface);
153  void addXLine(DL_CreationInterface* creationInterface);
154  void addRay(DL_CreationInterface* creationInterface);
155 
156  void addPolyline(DL_CreationInterface* creationInterface);
157  void addVertex(DL_CreationInterface* creationInterface);
158 
159  void addSpline(DL_CreationInterface* creationInterface);
160 
161  void addArc(DL_CreationInterface* creationInterface);
162  void addCircle(DL_CreationInterface* creationInterface);
163  void addEllipse(DL_CreationInterface* creationInterface);
164  void addInsert(DL_CreationInterface* creationInterface);
165 
166  void addTrace(DL_CreationInterface* creationInterface);
167  void add3dFace(DL_CreationInterface* creationInterface);
168  void addSolid(DL_CreationInterface* creationInterface);
169 
170  void addMText(DL_CreationInterface* creationInterface);
171  void addText(DL_CreationInterface* creationInterface);
172 
173  void addAttribute(DL_CreationInterface* creationInterface);
174 
175  DL_DimensionData getDimData();
176  void addDimLinear(DL_CreationInterface* creationInterface);
177  void addDimAligned(DL_CreationInterface* creationInterface);
178  void addDimRadial(DL_CreationInterface* creationInterface);
179  void addDimDiametric(DL_CreationInterface* creationInterface);
180  void addDimAngular(DL_CreationInterface* creationInterface);
181  void addDimAngular3P(DL_CreationInterface* creationInterface);
182  void addDimOrdinate(DL_CreationInterface* creationInterface);
183 
184  void addLeader(DL_CreationInterface* creationInterface);
185 
186  void addHatch(DL_CreationInterface* creationInterface);
187  void addHatchLoop();
188  void addHatchEdge();
189  bool handleHatchData(DL_CreationInterface* creationInterface);
190 
191  void addImage(DL_CreationInterface* creationInterface);
192  void addImageDef(DL_CreationInterface* creationInterface);
193 
194  void addComment(DL_CreationInterface* creationInterface, const std::string& comment);
195 
196  void addDictionary(DL_CreationInterface* creationInterface);
197  void addDictionaryEntry(DL_CreationInterface* creationInterface);
198 
199  bool handleXRecordData(DL_CreationInterface* creationInterface);
200  bool handleDictionaryData(DL_CreationInterface* creationInterface);
201 
202  bool handleXData(DL_CreationInterface *creationInterface);
203  bool handleMTextData(DL_CreationInterface* creationInterface);
204  bool handleLWPolylineData(DL_CreationInterface* creationInterface);
205  bool handleSplineData(DL_CreationInterface* creationInterface);
206  bool handleLeaderData(DL_CreationInterface* creationInterface);
207  bool handleLinetypeData(DL_CreationInterface* creationInterface);
208 
209  void endEntity(DL_CreationInterface* creationInterface);
210 
211  void endSequence(DL_CreationInterface* creationInterface);
212 
213  //int stringToInt(const char* s, bool* ok=NULL);
214 
215  DL_WriterA* out(const char* file,
217 
218  void writeHeader(DL_WriterA& dw);
219 
220  void writePoint(DL_WriterA& dw,
221  const DL_PointData& data,
222  const DL_Attributes& attrib);
223  void writeLine(DL_WriterA& dw,
224  const DL_LineData& data,
225  const DL_Attributes& attrib);
226  void writeXLine(DL_WriterA& dw,
227  const DL_XLineData& data,
228  const DL_Attributes& attrib);
229  void writeRay(DL_WriterA& dw,
230  const DL_RayData& data,
231  const DL_Attributes& attrib);
232  void writePolyline(DL_WriterA& dw,
233  const DL_PolylineData& data,
234  const DL_Attributes& attrib);
235  void writeVertex(DL_WriterA& dw,
236  const DL_VertexData& data);
237  void writePolylineEnd(DL_WriterA& dw);
238  void writeSpline(DL_WriterA& dw,
239  const DL_SplineData& data,
240  const DL_Attributes& attrib);
241  void writeControlPoint(DL_WriterA& dw,
242  const DL_ControlPointData& data);
243  void writeFitPoint(DL_WriterA& dw,
244  const DL_FitPointData& data);
245  void writeKnot(DL_WriterA& dw,
246  const DL_KnotData& data);
247  void writeCircle(DL_WriterA& dw,
248  const DL_CircleData& data,
249  const DL_Attributes& attrib);
250  void writeArc(DL_WriterA& dw,
251  const DL_ArcData& data,
252  const DL_Attributes& attrib);
253  void writeEllipse(DL_WriterA& dw,
254  const DL_EllipseData& data,
255  const DL_Attributes& attrib);
256  void writeSolid(DL_WriterA& dw,
257  const DL_SolidData& data,
258  const DL_Attributes& attrib);
259  void writeTrace(DL_WriterA& dw,
260  const DL_TraceData& data,
261  const DL_Attributes& attrib);
262  void write3dFace(DL_WriterA& dw,
263  const DL_3dFaceData& data,
264  const DL_Attributes& attrib);
265  void writeInsert(DL_WriterA& dw,
266  const DL_InsertData& data,
267  const DL_Attributes& attrib);
268  void writeMText(DL_WriterA& dw,
269  const DL_MTextData& data,
270  const DL_Attributes& attrib);
271  void writeText(DL_WriterA& dw,
272  const DL_TextData& data,
273  const DL_Attributes& attrib);
274  void writeAttribute(DL_WriterA& dw,
275  const DL_AttributeData& data,
276  const DL_Attributes& attrib);
277  void writeDimStyleOverrides(DL_WriterA& dw,
278  const DL_DimensionData& data);
279  void writeDimAligned(DL_WriterA& dw,
280  const DL_DimensionData& data,
281  const DL_DimAlignedData& edata,
282  const DL_Attributes& attrib);
283  void writeDimLinear(DL_WriterA& dw,
284  const DL_DimensionData& data,
285  const DL_DimLinearData& edata,
286  const DL_Attributes& attrib);
287  void writeDimRadial(DL_WriterA& dw,
288  const DL_DimensionData& data,
289  const DL_DimRadialData& edata,
290  const DL_Attributes& attrib);
291  void writeDimDiametric(DL_WriterA& dw,
292  const DL_DimensionData& data,
293  const DL_DimDiametricData& edata,
294  const DL_Attributes& attrib);
295  void writeDimAngular(DL_WriterA& dw,
296  const DL_DimensionData& data,
297  const DL_DimAngularData& edata,
298  const DL_Attributes& attrib);
299  void writeDimAngular3P(DL_WriterA& dw,
300  const DL_DimensionData& data,
301  const DL_DimAngular3PData& edata,
302  const DL_Attributes& attrib);
303  void writeDimOrdinate(DL_WriterA& dw,
304  const DL_DimensionData& data,
305  const DL_DimOrdinateData& edata,
306  const DL_Attributes& attrib);
307  void writeLeader(DL_WriterA& dw,
308  const DL_LeaderData& data,
309  const DL_Attributes& attrib);
310  void writeLeaderVertex(DL_WriterA& dw,
311  const DL_LeaderVertexData& data);
312  void writeHatch1(DL_WriterA& dw,
313  const DL_HatchData& data,
314  const DL_Attributes& attrib);
315  void writeHatch2(DL_WriterA& dw,
316  const DL_HatchData& data,
317  const DL_Attributes& attrib);
318  void writeHatchLoop1(DL_WriterA& dw,
319  const DL_HatchLoopData& data);
320  void writeHatchLoop2(DL_WriterA& dw,
321  const DL_HatchLoopData& data);
322  void writeHatchEdge(DL_WriterA& dw,
323  const DL_HatchEdgeData& data);
324 
325  int writeImage(DL_WriterA& dw,
326  const DL_ImageData& data,
327  const DL_Attributes& attrib);
328 
329  void writeImageDef(DL_WriterA& dw, int handle,
330  const DL_ImageData& data);
331 
332  void writeLayer(DL_WriterA& dw,
333  const DL_LayerData& data,
334  const DL_Attributes& attrib);
335 
336  void writeLinetype(DL_WriterA& dw,
337  const DL_LinetypeData& data);
338 
339  void writeAppid(DL_WriterA& dw, const std::string& name);
340 
341  void writeBlock(DL_WriterA& dw,
342  const DL_BlockData& data);
343  void writeEndBlock(DL_WriterA& dw, const std::string& name);
344 
345  void writeVPort(DL_WriterA& dw);
346  void writeStyle(DL_WriterA& dw, const DL_StyleData& style);
347  void writeView(DL_WriterA& dw);
348  void writeUcs(DL_WriterA& dw);
349  void writeDimStyle(DL_WriterA& dw,
350  double dimasz, double dimexe, double dimexo,
351  double dimgap, double dimtxt);
352  void writeBlockRecord(DL_WriterA& dw);
353  void writeBlockRecord(DL_WriterA& dw, const std::string& name);
354  void writeObjects(DL_WriterA& dw, const std::string& appDictionaryName = "");
355  void writeAppDictionary(DL_WriterA& dw);
356  int writeDictionaryEntry(DL_WriterA& dw, const std::string& name);
357  void writeXRecord(DL_WriterA& dw, int handle, int value);
358  void writeXRecord(DL_WriterA& dw, int handle, double value);
359  void writeXRecord(DL_WriterA& dw, int handle, bool value);
360  void writeXRecord(DL_WriterA& dw, int handle, const std::string& value);
361  void writeObjectsEnd(DL_WriterA& dw);
362 
363  void writeComment(DL_WriterA& dw, const std::string& comment);
364 
369  //static double toReal(const char* value, double def=0.0);
370 
375 // static int toInt(const char* value, int def=0) {
376 // if (value!=NULL && value[0] != '\0') {
377 // return atoi(value);
378 // }
379 
380 // return def;
381 // }
382 
387 // static const char* toString(const char* value, const char* def="") {
388 // if (value!=NULL && value[0] != '\0') {
389 // return value;
390 // } else {
391 // return def;
392 // }
393 // }
394 
395  static bool checkVariable(const char* var, DL_Codes::version version);
396 
398  return version;
399  }
400 
401  int getLibVersion(const std::string &str);
402 
403  static void test();
404 
405  bool hasValue(int code) {
406  return values.count(code)==1;
407  }
408 
409  int getIntValue(int code, int def) {
410  if (!hasValue(code)) {
411  return def;
412  }
413  return toInt(values[code]);
414  }
415 
416  int toInt(const std::string& str) {
417  char* p;
418  return strtol(str.c_str(), &p, 10);
419  }
420 
421  int getInt16Value(int code, int def) {
422  if (!hasValue(code)) {
423  return def;
424  }
425  return toInt16(values[code]);
426  }
427 
428  int toInt16(const std::string& str) {
429  char* p;
430  return strtol(str.c_str(), &p, 16);
431  }
432 
433  bool toBool(const std::string& str) {
434  char* p;
435  return (bool)strtol(str.c_str(), &p, 10);
436  }
437 
438  std::string getStringValue(int code, const std::string& def) {
439  if (!hasValue(code)) {
440  return def;
441  }
442  return values[code];
443  }
444 
445  double getRealValue(int code, double def) {
446  if (!hasValue(code)) {
447  return def;
448  }
449  return toReal(values[code]);
450  }
451 
452  double toReal(const std::string& str) {
453  double ret;
454  // make sure the real value uses '.' not ',':
455  std::string str2 = str;
456  std::replace(str2.begin(), str2.end(), ',', '.');
457  // make sure c++ expects '.' not ',':
458  std::istringstream istr(str2);
459  //istr.imbue(std::locale("C"));
460  istr >> ret;
461  return ret;
462  }
463 
464 private:
466 
467  std::string polylineLayer;
468  double* vertices;
471 
472  double* knots;
473  int maxKnots;
475 
476  double* weights;
478 
479  double* controlPoints;
482 
483  double* fitPoints;
486 
487  double* leaderVertices;
490 
493  std::vector<std::vector<DL_HatchEdgeData> > hatchEdges;
494 
495  std::string xRecordHandle;
497 
498  // Only the useful part of the group code
499  std::string groupCodeTmp;
500  // ...same as integer
501  unsigned int groupCode;
502  // Only the useful part of the group value
503  std::string groupValue;
504  // Current entity type
506  // Value of the current setting
507  char settingValue[DL_DXF_MAXLINE+1];
508  // Key of the current setting (e.g. "$ACADVER")
509  std::string settingKey;
510  // Stores the group codes
511  std::map<int, std::string> values;
512  // First call of this method. We initialize all group values in
513  // the first call.
514  bool firstCall;
515  // Attributes of the current entity (layer, color, width, line type)
517  // library version. hex: 0x20003001 = 2.0.3.1
519  // app specific dictionary handle:
520  unsigned long appDictionaryHandle;
521  // handle of standard text style, referenced by dimstyle:
522  unsigned long styleHandleStd;
523 };
524 
525 #endif
526 
527 // EOF
unsigned int groupCode
Definition: dl_dxf.h:501
bool firstHatchLoop
Definition: dl_dxf.h:491
double * leaderVertices
Definition: dl_dxf.h:487
double * knots
Definition: dl_dxf.h:472
Radial Dimension Data.
Definition: dl_entities.h:1103
Hatch data.
Definition: dl_entities.h:1384
Generic Dimension Data.
Definition: dl_entities.h:910
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:1270
std::string settingKey
Definition: dl_dxf.h:509
Abstract class (interface) for the creation of new entities.
Definition: dl_creationinterface.h:47
bool hasValue(int code)
Definition: dl_dxf.h:405
void addPoint(void position)
Adds a point to the drawing.
Definition: simple_create.js:25
void addLine(void startPoint, void endPoint)
Adds a line to the drawing.
Definition: simple_create.js:132
Reading and writing of DXF files.
Definition: dl_dxf.h:121
int getInt16Value(int code, int def)
Definition: dl_dxf.h:421
Aligned Dimension Data.
Definition: dl_entities.h:1020
Circle Data.
Definition: dl_entities.h:351
int maxVertices
Definition: dl_dxf.h:469
Storing and passing around attributes.
Definition: dl_attributes.h:41
double getRealValue(int code, double def)
Definition: dl_dxf.h:445
int maxControlPoints
Definition: dl_dxf.h:480
Text Data.
Definition: dl_entities.h:799
Line Data.
Definition: dl_entities.h:220
unsigned long styleHandleStd
Definition: dl_dxf.h:522
void version()
Prints version information.
Definition: autostart.js:31
Text style data.
Definition: dl_entities.h:129
Linear (rotated) Dimension Data.
Definition: dl_entities.h:1057
int fitPointIndex
Definition: dl_dxf.h:485
#define DL_VERSION_2000
Definition: dl_codes.h:378
Spline knot data.
Definition: dl_entities.h:555
#define DXFLIB_EXPORT
Definition: dl_global.h:12
int toInt16(const std::string &str)
Definition: dl_dxf.h:428
int getIntValue(int code, int def)
Definition: dl_dxf.h:409
unsigned long appDictionaryHandle
Definition: dl_dxf.h:520
std::string polylineLayer
Definition: dl_dxf.h:467
void addArc(void center, void radius, void startAngle, void endAngle, void reversed)
Adds an arc to the drawing.
Definition: simple_create.js:66
double toReal(const std::string &str)
Definition: dl_dxf.h:452
std::string xRecordHandle
Definition: dl_dxf.h:495
int maxKnots
Definition: dl_dxf.h:473
void addSpline(void points, void closed)
Adds a spline to the drawing.
Definition: simple_create.js:80
int vertexIndex
Definition: dl_dxf.h:470
Hatch edge data.
Definition: dl_entities.h:1453
Spline fit point data.
Definition: dl_entities.h:601
Polyline Data.
Definition: dl_entities.h:381
Point Data.
Definition: dl_entities.h:196
Line Type Data.
Definition: dl_entities.h:89
Block Data.
Definition: dl_entities.h:58
#define DL_DXF_MAXLINE
Definition: dl_codes.h:58
MText Data.
Definition: dl_entities.h:718
std::string getStringValue(int code, const std::string &def)
Definition: dl_dxf.h:438
int knotIndex
Definition: dl_dxf.h:474
double * fitPoints
Definition: dl_dxf.h:483
double * weights
Definition: dl_dxf.h:476
Arc Data.
Definition: dl_entities.h:314
bool toBool(const std::string &str)
Definition: dl_dxf.h:433
DL_Attributes attrib
Definition: dl_dxf.h:516
XLine Data.
Definition: dl_entities.h:254
Trace Data / solid data / 3d face data.
Definition: dl_entities.h:443
void addCircle(void center, void radius)
Adds a circle to the drawing.
Definition: simple_create.js:13
void addPolyline(void points, void closed, void relative)
Adds a polyline to the drawing.
Definition: simple_create.js:54
int weightIndex
Definition: dl_dxf.h:477
Image Data.
Definition: dl_entities.h:1623
Angular Dimension Data (3 points version).
Definition: dl_entities.h:1221
bool xRecordValues
Definition: dl_dxf.h:496
int toInt(const std::string &str)
Definition: dl_dxf.h:416
Ray Data.
Definition: dl_entities.h:283
std::vector< std::vector< DL_HatchEdgeData > > hatchEdges
Definition: dl_dxf.h:493
std::string groupCodeTmp
Definition: dl_dxf.h:499
double * vertices
Definition: dl_dxf.h:468
Insert Data.
Definition: dl_entities.h:668
int currentObjectType
Definition: dl_dxf.h:505
int maxFitPoints
Definition: dl_dxf.h:484
Spline control point data.
Definition: dl_entities.h:574
Leader (arrow).
Definition: dl_entities.h:1313
Layer Data.
Definition: dl_entities.h:36
Angular Dimension Data.
Definition: dl_entities.h:1161
DL_Codes::version version
Definition: dl_dxf.h:465
Diametric Dimension Data.
Definition: dl_entities.h:1132
Vertex Data.
Definition: dl_entities.h:415
int maxLeaderVertices
Definition: dl_dxf.h:488
Ellipse Data.
Definition: dl_entities.h:621
double * controlPoints
Definition: dl_dxf.h:479
version
Version numbers for the DXF Format.
Definition: dl_codes.h:96
int leaderVertexIndex
Definition: dl_dxf.h:489
Block attribute data.
Definition: dl_entities.h:870
std::string groupValue
Definition: dl_dxf.h:503
bool firstCall
Definition: dl_dxf.h:514
int libVersion
Definition: dl_dxf.h:518
Hatch boundary path (loop) data.
Definition: dl_entities.h:1431
Spline Data.
Definition: dl_entities.h:510
DL_Codes::version getVersion()
Definition: dl_dxf.h:397
DL_HatchEdgeData hatchEdge
Definition: dl_dxf.h:492
int controlPointIndex
Definition: dl_dxf.h:481
std::map< int, std::string > values
Definition: dl_dxf.h:511
Leader Vertex Data.
Definition: dl_entities.h:1360