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b311480e | 1 | // Created on: 2002-10-29 |
2 | // Created by: Michael SAZONOV | |
973c2be1 | 3 | // Copyright (c) 2002-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
7fd59977 | 15 | |
42cf5bc1 | 16 | |
7fd59977 | 17 | #include <BinLDrivers.hxx> |
42cf5bc1 | 18 | #include <BinLDrivers_DocumentSection.hxx> |
19 | #include <BinLDrivers_DocumentStorageDriver.hxx> | |
7fd59977 | 20 | #include <BinLDrivers_Marker.hxx> |
21 | #include <BinMDF_ADriver.hxx> | |
42cf5bc1 | 22 | #include <BinMDF_ADriverTable.hxx> |
7fd59977 | 23 | #include <BinObjMgt_Persistent.hxx> |
24 | #include <CDM_Application.hxx> | |
42cf5bc1 | 25 | #include <CDM_Document.hxx> |
83ae3591 | 26 | #include <Message_Messenger.hxx> |
7fd59977 | 27 | #include <FSD_BinaryFile.hxx> |
28 | #include <FSD_FileHeader.hxx> | |
4ff92abe | 29 | #include <OSD_OpenFile.hxx> |
7fd59977 | 30 | #include <PCDM_ReadWriter.hxx> |
31 | #include <Standard_ErrorHandler.hxx> | |
42cf5bc1 | 32 | #include <Standard_Type.hxx> |
7fd59977 | 33 | #include <Storage_Schema.hxx> |
42cf5bc1 | 34 | #include <TCollection_AsciiString.hxx> |
35 | #include <TCollection_ExtendedString.hxx> | |
7fd59977 | 36 | #include <TColStd_Array1OfInteger.hxx> |
37 | #include <TColStd_ListIteratorOfListOfInteger.hxx> | |
38 | #include <TColStd_ListOfInteger.hxx> | |
7fd59977 | 39 | #include <TDF_AttributeIterator.hxx> |
40 | #include <TDF_ChildIterator.hxx> | |
41 | #include <TDF_Data.hxx> | |
42cf5bc1 | 42 | #include <TDF_Label.hxx> |
7fd59977 | 43 | #include <TDF_Tool.hxx> |
44 | #include <TDocStd_Document.hxx> | |
45 | ||
92efcf78 | 46 | IMPLEMENT_STANDARD_RTTIEXT(BinLDrivers_DocumentStorageDriver,PCDM_StorageDriver) |
47 | ||
7fd59977 | 48 | #define SHAPESECTION_POS (Standard_CString)"SHAPE_SECTION_POS:" |
49 | ||
50 | //======================================================================= | |
51 | //function : BinLDrivers_DocumentStorageDriver | |
52 | //purpose : Constructor | |
53 | //======================================================================= | |
54 | ||
55 | BinLDrivers_DocumentStorageDriver::BinLDrivers_DocumentStorageDriver () | |
56 | { | |
57 | } | |
58 | ||
7fd59977 | 59 | //======================================================================= |
60 | //function : Write | |
61 | //purpose : | |
62 | //======================================================================= | |
63 | ||
64 | void BinLDrivers_DocumentStorageDriver::Write | |
65 | (const Handle(CDM_Document)& theDocument, | |
66 | const TCollection_ExtendedString& theFileName) | |
67 | { | |
15e8b082 M |
68 | SetIsError(Standard_False); |
69 | SetStoreStatus(PCDM_SS_OK); | |
70 | ||
4ff92abe | 71 | myFileName = theFileName; |
72 | ||
73 | std::ofstream aFileStream; | |
74 | OSD_OpenStream (aFileStream, theFileName, std::ios::out | std::ios::binary); | |
75 | ||
76 | if (aFileStream.is_open() && aFileStream.good()) | |
77 | { | |
78 | Write (theDocument, aFileStream); | |
79 | } | |
80 | else | |
81 | { | |
82 | SetIsError (Standard_True); | |
83 | SetStoreStatus(PCDM_SS_WriteFailure); | |
84 | } | |
85 | } | |
86 | ||
87 | //======================================================================= | |
88 | //function : Write | |
89 | //purpose : | |
90 | //======================================================================= | |
91 | ||
92 | void BinLDrivers_DocumentStorageDriver::Write (const Handle(CDM_Document)& theDoc, Standard_OStream& theOStream) | |
93 | { | |
94 | myMsgDriver = theDoc->Application()->MessageDriver(); | |
7fd59977 | 95 | myMapUnsupported.Clear(); |
96 | ||
7fd59977 | 97 | Handle(TDocStd_Document) aDoc = |
4ff92abe | 98 | Handle(TDocStd_Document)::DownCast(theDoc); |
7fd59977 | 99 | if (aDoc.IsNull()) { |
15e8b082 M |
100 | SetIsError(Standard_True); |
101 | SetStoreStatus(PCDM_SS_Doc_IsNull); | |
7fd59977 | 102 | } |
103 | else { | |
7fd59977 | 104 | // First pass: collect empty labels, assign IDs to the types |
105 | if (myDrivers.IsNull()) | |
106 | myDrivers = AttributeDrivers (myMsgDriver); | |
107 | Handle(TDF_Data) aData = aDoc->GetData(); | |
108 | FirstPass (aData->Root()); | |
030ba648 | 109 | if(aDoc->EmptyLabelsSavingMode()) |
110 | myEmptyLabels.Clear(); // | |
7fd59977 | 111 | |
112 | // 1. Write info section (including types table) | |
4ff92abe | 113 | WriteInfoSection (aDoc, theOStream); |
114 | ||
7fd59977 | 115 | myTypesMap.Clear(); |
15e8b082 M |
116 | if (IsError()) |
117 | { | |
118 | SetStoreStatus(PCDM_SS_Info_Section_Error); | |
119 | return; | |
120 | } | |
7fd59977 | 121 | |
7fd59977 | 122 | |
7fd59977 | 123 | |
124 | // 2. Write the Table of Contents of Sections | |
4ff92abe | 125 | BinLDrivers_VectorOfDocumentSection::Iterator anIterS (mySections); |
126 | for (; anIterS.More(); anIterS.Next()) | |
127 | anIterS.ChangeValue().WriteTOC (theOStream); | |
7fd59977 | 128 | |
4ff92abe | 129 | // Shapes Section is the last one, it indicates the end of the table. |
130 | BinLDrivers_DocumentSection aShapesSection (SHAPESECTION_POS, | |
131 | Standard_False); | |
132 | aShapesSection.WriteTOC (theOStream); | |
7fd59977 | 133 | |
134 | // 3. Write document contents | |
4ff92abe | 135 | // (Storage data to the stream) |
136 | myRelocTable.Clear(); | |
137 | myPAtt.Init(); | |
7fd59977 | 138 | |
4ff92abe | 139 | // Write Doc structure |
140 | WriteSubTree (aData->Root(), theOStream); // Doc is written | |
7fd59977 | 141 | |
142 | // 4. Write Shapes section | |
4ff92abe | 143 | WriteShapeSection (aShapesSection, theOStream); |
144 | ||
145 | // Write application-defined sections | |
146 | for (anIterS.Init (mySections); anIterS.More(); anIterS.Next()) { | |
147 | BinLDrivers_DocumentSection& aSection = anIterS.ChangeValue(); | |
148 | const Standard_Size aSectionOffset = (Standard_Size) theOStream.tellp(); | |
149 | WriteSection (aSection.Name(), aDoc, theOStream); | |
150 | aSection.Write (theOStream, aSectionOffset); | |
151 | } | |
152 | ||
153 | // End of processing: close structures and check the status | |
154 | myPAtt.Destroy(); // free buffer | |
155 | myEmptyLabels.Clear(); | |
156 | myMapUnsupported.Clear(); | |
157 | ||
158 | if (!myRelocTable.Extent()) { | |
159 | // No objects written | |
0797d9d3 | 160 | #ifdef OCCT_DEBUG |
83ae3591 | 161 | myMsgDriver->Send ("BinLDrivers_DocumentStorageDriver, no objects written", Message_Info); |
7fd59977 | 162 | #endif |
4ff92abe | 163 | SetIsError(Standard_True); |
164 | SetStoreStatus(PCDM_SS_No_Obj); | |
7fd59977 | 165 | } |
4ff92abe | 166 | myRelocTable.Clear(); |
7fd59977 | 167 | |
4ff92abe | 168 | if (!theOStream) { |
7fd59977 | 169 | // A problem with the stream |
0797d9d3 | 170 | #ifdef OCCT_DEBUG |
83ae3591 | 171 | TCollection_ExtendedString anErrorStr ("BinLDrivers_DocumentStorageDriver, Problem with the file stream, rdstate = "); |
172 | myMsgDriver->Send (anErrorStr + (Standard_Integer )theOStream.rdstate(), Message_Info); | |
7fd59977 | 173 | #endif |
15e8b082 | 174 | SetIsError(Standard_True); |
566f8441 | 175 | SetStoreStatus(PCDM_SS_WriteFailure); |
7fd59977 | 176 | } |
177 | ||
178 | } | |
179 | } | |
180 | ||
181 | //======================================================================= | |
182 | //function : UnsupportedAttrMsg | |
9293178b | 183 | //purpose : |
7fd59977 | 184 | //======================================================================= |
185 | ||
186 | void BinLDrivers_DocumentStorageDriver::UnsupportedAttrMsg | |
187 | (const Handle(Standard_Type)& theType) | |
188 | { | |
0797d9d3 | 189 | #ifdef OCCT_DEBUG |
b34d86cb | 190 | TCollection_ExtendedString aMsg |
7fd59977 | 191 | ("BinDrivers_DocumentStorageDriver: warning: attribute driver for type "); |
192 | #endif | |
193 | if (!myMapUnsupported.Contains(theType)) { | |
194 | myMapUnsupported.Add(theType); | |
0797d9d3 | 195 | #ifdef OCCT_DEBUG |
83ae3591 | 196 | myMsgDriver->Send (aMsg + theType->Name() + " not found", Message_Info); |
7fd59977 | 197 | #endif |
198 | } | |
199 | } | |
200 | ||
201 | //======================================================================= | |
202 | //function : WriteSubTree | |
203 | //purpose : | |
204 | //======================================================================= | |
205 | ||
206 | void BinLDrivers_DocumentStorageDriver::WriteSubTree | |
207 | (const TDF_Label& theLabel, | |
208 | Standard_OStream& theOS) | |
209 | { | |
210 | // Skip empty labels | |
211 | if (!myEmptyLabels.IsEmpty() && myEmptyLabels.First() == theLabel) { | |
212 | myEmptyLabels.RemoveFirst(); | |
213 | return; | |
214 | } | |
215 | ||
216 | // Write label header: tag | |
217 | Standard_Integer aTag = theLabel.Tag(); | |
218 | #if DO_INVERSE | |
219 | aTag = InverseInt (aTag); | |
220 | #endif | |
221 | theOS.write ((char*)&aTag, sizeof(Standard_Integer)); | |
222 | ||
223 | // Write attributes | |
224 | TDF_AttributeIterator itAtt (theLabel); | |
225 | for ( ; itAtt.More() && theOS; itAtt.Next()) { | |
226 | const Handle(TDF_Attribute)& tAtt = itAtt.Value(); | |
227 | const Handle(Standard_Type)& aType = tAtt->DynamicType(); | |
228 | // Get type ID and driver | |
229 | Handle(BinMDF_ADriver) aDriver; | |
230 | const Standard_Integer aTypeId = myDrivers->GetDriver (aType,aDriver); | |
231 | if (aTypeId > 0) { | |
232 | // Add source to relocation table | |
233 | const Standard_Integer anId = myRelocTable.Add (tAtt); | |
234 | ||
235 | // Create and fill data item | |
236 | myPAtt.SetTypeId (aTypeId); | |
237 | myPAtt.SetId (anId); | |
238 | aDriver->Paste (tAtt, myPAtt, myRelocTable); | |
239 | ||
240 | // Write data to the stream -->!!! | |
241 | theOS << myPAtt; | |
242 | } | |
0797d9d3 | 243 | #ifdef OCCT_DEBUG |
7fd59977 | 244 | else |
245 | UnsupportedAttrMsg (aType); | |
246 | #endif | |
247 | } | |
248 | if (!theOS) { | |
249 | // Problem with the stream | |
250 | return; | |
251 | } | |
252 | ||
253 | // Write the end attributes list marker | |
254 | BinLDrivers_Marker anEndAttr = BinLDrivers_ENDATTRLIST; | |
255 | #if DO_INVERSE | |
256 | anEndAttr = (BinLDrivers_Marker) InverseInt (anEndAttr); | |
257 | #endif | |
258 | theOS.write ((char*)&anEndAttr, sizeof(anEndAttr)); | |
259 | ||
260 | // Process sub-labels | |
261 | TDF_ChildIterator itChld (theLabel); | |
262 | for ( ; itChld.More(); itChld.Next()) | |
263 | { | |
264 | const TDF_Label& aChildLab = itChld.Value(); | |
265 | WriteSubTree (aChildLab, theOS); | |
266 | } | |
267 | ||
268 | // Write the end label marker | |
269 | BinLDrivers_Marker anEndLabel = BinLDrivers_ENDLABEL; | |
270 | #if DO_INVERSE | |
271 | anEndLabel = (BinLDrivers_Marker) InverseInt (anEndLabel); | |
272 | #endif | |
273 | theOS.write ((char*)&anEndLabel, sizeof(anEndLabel)); | |
274 | ||
275 | } | |
276 | ||
7fd59977 | 277 | //======================================================================= |
278 | //function : AttributeDrivers | |
279 | //purpose : | |
280 | //======================================================================= | |
281 | ||
282 | Handle(BinMDF_ADriverTable) BinLDrivers_DocumentStorageDriver::AttributeDrivers | |
83ae3591 | 283 | (const Handle(Message_Messenger)& theMessageDriver) |
7fd59977 | 284 | { |
285 | return BinLDrivers::AttributeDrivers (theMessageDriver); | |
286 | } | |
287 | ||
288 | //======================================================================= | |
289 | //function : FirstPassSubTree | |
290 | //purpose : | |
291 | //======================================================================= | |
292 | ||
293 | Standard_Boolean BinLDrivers_DocumentStorageDriver::FirstPassSubTree | |
294 | (const TDF_Label& L, | |
295 | TDF_LabelList& ListOfEmptyL) | |
296 | { | |
297 | // are there writable attributes on L ? | |
298 | Standard_Boolean hasAttr = Standard_False; | |
299 | TDF_AttributeIterator itAtt (L); | |
300 | for ( ; itAtt.More(); itAtt.Next()) { | |
301 | const Handle(Standard_Type)& aType = itAtt.Value()->DynamicType(); | |
302 | Handle(BinMDF_ADriver) aDriver; | |
303 | // do not rely on a value returned by GetDriver here, because | |
304 | // the IDs have not yet been assigned to the types | |
305 | myDrivers->GetDriver (aType, aDriver); | |
306 | if (!aDriver.IsNull()) { | |
307 | hasAttr = Standard_True; | |
308 | myTypesMap.Add (aType); | |
309 | } | |
0797d9d3 | 310 | #ifdef OCCT_DEBUG |
7fd59977 | 311 | else |
312 | UnsupportedAttrMsg (aType); | |
313 | #endif | |
314 | } | |
315 | ||
316 | // are there writable attributes on sub-labels ? | |
317 | Standard_Boolean hasChildAttr = Standard_False; | |
318 | TDF_LabelList emptyChildrenList; | |
319 | TDF_ChildIterator itChld (L); | |
320 | for ( ; itChld.More(); itChld.Next()) | |
321 | { | |
322 | if (FirstPassSubTree (itChld.Value(), emptyChildrenList)) | |
323 | emptyChildrenList.Append( itChld.Value() ); | |
324 | else | |
325 | hasChildAttr = Standard_True; | |
326 | } | |
327 | ||
328 | Standard_Boolean isEmpty = !(hasAttr || hasChildAttr); | |
329 | ||
330 | if (!isEmpty) | |
331 | ListOfEmptyL.Append( emptyChildrenList ); | |
332 | ||
333 | return isEmpty; | |
334 | } | |
335 | ||
336 | //======================================================================= | |
337 | //function : FirstPass | |
338 | //purpose : | |
339 | //======================================================================= | |
340 | ||
341 | void BinLDrivers_DocumentStorageDriver::FirstPass | |
342 | (const TDF_Label& theRoot) | |
343 | { | |
344 | myTypesMap.Clear(); | |
345 | myEmptyLabels.Clear(); | |
346 | ||
347 | if (FirstPassSubTree( theRoot, myEmptyLabels)) | |
348 | myEmptyLabels.Append( theRoot ); | |
349 | ||
350 | myDrivers->AssignIds (myTypesMap); | |
351 | } | |
352 | ||
353 | //======================================================================= | |
354 | //function : WriteInfoSection | |
355 | //purpose : Write info secton using FSD_BinaryFile driver | |
356 | //======================================================================= | |
357 | ||
358 | #define START_TYPES "START_TYPES" | |
359 | #define END_TYPES "END_TYPES" | |
360 | ||
4ff92abe | 361 | void BinLDrivers_DocumentStorageDriver::WriteInfoSection |
362 | (const Handle(CDM_Document)& theDoc, | |
363 | Standard_OStream& theOStream) | |
7fd59977 | 364 | { |
4ff92abe | 365 | // Magic number |
366 | theOStream.write (FSD_BinaryFile::MagicNumber(), strlen(FSD_BinaryFile::MagicNumber())); | |
367 | ||
368 | FSD_FileHeader aHeader; | |
369 | ||
370 | { | |
371 | aHeader.testindian = -1; | |
372 | aHeader.binfo = -1; | |
373 | aHeader.einfo = -1; | |
374 | aHeader.bcomment = -1; | |
375 | aHeader.ecomment = -1; | |
376 | aHeader.btype = -1; | |
377 | aHeader.etype = -1; | |
378 | aHeader.broot = -1; | |
379 | aHeader.eroot = -1; | |
380 | aHeader.bref = -1; | |
381 | aHeader.eref = -1; | |
382 | aHeader.bdata = -1; | |
383 | aHeader.edata = -1; | |
384 | } | |
385 | ||
386 | // aHeader.testindian | |
387 | { | |
388 | union { | |
389 | char ti2[4]; | |
390 | Standard_Integer aResult; | |
391 | } aWrapUnion; | |
392 | ||
393 | aWrapUnion.ti2[0] = 1; | |
394 | aWrapUnion.ti2[1] = 2; | |
395 | aWrapUnion.ti2[2] = 3; | |
396 | aWrapUnion.ti2[3] = 4; | |
397 | ||
398 | aHeader.testindian = aWrapUnion.aResult; | |
7fd59977 | 399 | } |
400 | ||
4ff92abe | 401 | // info section |
402 | aHeader.binfo = (Standard_Integer)theOStream.tellp(); | |
403 | ||
404 | // header section | |
405 | aHeader.einfo = aHeader.binfo + FSD_BinaryFile::WriteHeader (theOStream, aHeader, Standard_True); | |
406 | ||
407 | // add format | |
408 | Handle(Storage_Data) theData = new Storage_Data; | |
409 | PCDM_ReadWriter::WriteFileFormat (theData, theDoc); | |
410 | PCDM_ReadWriter::Writer()->WriteReferenceCounter (theData, theDoc); | |
411 | PCDM_ReadWriter::Writer()->WriteReferences (theData, theDoc, myFileName); | |
412 | PCDM_ReadWriter::Writer()->WriteExtensions (theData, theDoc); | |
413 | PCDM_ReadWriter::Writer()->WriteVersion (theData, theDoc); | |
414 | ||
415 | // add the types table | |
416 | theData->AddToUserInfo(START_TYPES); | |
417 | for (Standard_Integer i = 1; i <= myTypesMap.Extent(); i++) | |
7fd59977 | 418 | { |
4ff92abe | 419 | Handle(BinMDF_ADriver) aDriver = myDrivers->GetDriver(i); |
420 | if (!aDriver.IsNull()) | |
421 | { | |
422 | const TCollection_AsciiString& aTypeName = aDriver->TypeName(); | |
423 | theData->AddToUserInfo (aTypeName); | |
7fd59977 | 424 | } |
7fd59977 | 425 | } |
4ff92abe | 426 | theData->AddToUserInfo(END_TYPES); |
427 | ||
428 | Standard_Integer aObjNb = 1; | |
429 | Standard_Integer aShemaVer = 1; | |
430 | ||
fe21f796 BB |
431 | // Store the name and version of the application that has created the |
432 | // document. | |
433 | theData->SetApplicationVersion(theDoc->Application()->Version()); | |
434 | theData->SetApplicationName(theDoc->Application()->Name()); | |
435 | ||
4ff92abe | 436 | aHeader.einfo += FSD_BinaryFile::WriteInfo (theOStream, |
437 | aObjNb, | |
438 | BinLDrivers::StorageVersion(), | |
439 | Storage_Schema::ICreationDate(), | |
6fe96f84 | 440 | "", // schema name |
4ff92abe | 441 | aShemaVer, |
442 | theData->ApplicationName(), | |
443 | theData->ApplicationVersion(), | |
444 | theData->DataType(), | |
445 | theData->UserInfo(), | |
446 | Standard_True); // only count the size of the section | |
447 | ||
448 | // calculate comment section | |
449 | TColStd_SequenceOfExtendedString aComments; | |
450 | theDoc->Comments(aComments); | |
451 | for (Standard_Integer i = 1; i <= aComments.Length(); i++) | |
452 | { | |
453 | theData->AddToComments (aComments(i)); | |
7fd59977 | 454 | } |
4ff92abe | 455 | |
456 | aHeader.bcomment = aHeader.einfo; | |
457 | aHeader.ecomment = aHeader.bcomment + FSD_BinaryFile::WriteComment(theOStream, theData->Comments(), Standard_True); | |
458 | ||
459 | aHeader.edata = aHeader.ecomment; | |
460 | ||
461 | // write header information | |
462 | FSD_BinaryFile::WriteHeader (theOStream, aHeader); | |
463 | ||
464 | // write info section | |
465 | FSD_BinaryFile::WriteInfo (theOStream, | |
466 | aObjNb, | |
467 | BinLDrivers::StorageVersion(), | |
468 | Storage_Schema::ICreationDate(), | |
6fe96f84 | 469 | "", // schema name |
4ff92abe | 470 | aShemaVer, |
471 | theData->ApplicationName(), | |
472 | theData->ApplicationVersion(), | |
473 | theData->DataType(), | |
474 | theData->UserInfo()); | |
475 | ||
476 | // write the comments | |
477 | FSD_BinaryFile::WriteComment(theOStream, theData->Comments()); | |
478 | ||
7fd59977 | 479 | } |
480 | ||
7fd59977 | 481 | //======================================================================= |
482 | //function : AddSection | |
9293178b | 483 | //purpose : |
7fd59977 | 484 | //======================================================================= |
485 | ||
486 | void BinLDrivers_DocumentStorageDriver::AddSection | |
487 | (const TCollection_AsciiString& theName, | |
488 | const Standard_Boolean isPostRead) | |
489 | { | |
490 | mySections.Append (BinLDrivers_DocumentSection (theName, isPostRead)); | |
491 | } | |
492 | ||
493 | //======================================================================= | |
494 | //function : WriteSection | |
9293178b | 495 | //purpose : |
7fd59977 | 496 | //======================================================================= |
497 | ||
498 | void BinLDrivers_DocumentStorageDriver::WriteSection | |
499 | (const TCollection_AsciiString& /*theName*/, | |
857ffd5e | 500 | const Handle(CDM_Document)& /*theDocument*/, |
7fd59977 | 501 | Standard_OStream& /*theOS*/) |
502 | { | |
503 | // empty; should be redefined in subclasses | |
504 | } | |
505 | ||
506 | //======================================================================= | |
507 | //function : WriteShapeSection | |
508 | //purpose : defines WriteShapeSection | |
509 | //======================================================================= | |
510 | void BinLDrivers_DocumentStorageDriver::WriteShapeSection | |
511 | (BinLDrivers_DocumentSection& theSection, | |
512 | Standard_OStream& theOS) | |
513 | { | |
514 | const Standard_Size aShapesSectionOffset = (Standard_Size) theOS.tellp(); | |
515 | theSection.Write (theOS, aShapesSectionOffset); | |
516 | } |