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QGIS/external/libdxfrw/intern/dwgreader.cpp
Juergen E. Fischer 94fa3c44e0 dwg/dxf import: 
* fix orientation of TEXT entities
* also clean TEXT strings
* support non-origin-based blocks
* support extrusion
2019-10-25 14:22:53 +02:00

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/******************************************************************************
** libDXFrw - Library to read/write DXF files (ascii & binary) **
** **
** Copyright (C) 2011-2015 José F. Soriano, rallazz@gmail.com **
** **
** This library is free software, licensed under the terms of the GNU **
** General Public License as published by the Free Software Foundation, **
** either version 2 of the License, or (at your option) any later version. **
** You should have received a copy of the GNU General Public License **
** along with this program. If not, see <http://www.gnu.org/licenses/>. **
******************************************************************************/
// uncomment to get detailed debug output on DWG read. Caution: this option makes DWG import super-slow!
// #define DWGDEBUG 1
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include "dwgreader.h"
#include "drw_textcodec.h"
#include "qgslogger.h"
#include "qgsmessagelog.h"
#include <QStringList>
#ifndef DWGDEBUG
#undef QGISDEBUG
#undef QgsDebugCall
#undef QgsDebugMsg
#undef QgsDebugMsgLevel
#define QgsDebugCall
#define QgsDebugMsg(str)
#define QgsDebugMsgLevel(str, level)
#endif
dwgReader::~dwgReader()
{
for ( std::map<duint32, DRW_LType *>::iterator it = ltypemap.begin(); it != ltypemap.end(); ++it )
delete ( it->second );
for ( std::map<duint32, DRW_Layer *>::iterator it = layermap.begin(); it != layermap.end(); ++it )
delete ( it->second );
for ( std::map<duint32, DRW_Block *>::iterator it = blockmap.begin(); it != blockmap.end(); ++it )
delete ( it->second );
for ( std::map<duint32, DRW_Textstyle *>::iterator it = stylemap.begin(); it != stylemap.end(); ++it )
delete ( it->second );
for ( std::map<duint32, DRW_Dimstyle *>::iterator it = dimstylemap.begin(); it != dimstylemap.end(); ++it )
delete ( it->second );
for ( std::map<duint32, DRW_Vport *>::iterator it = vportmap.begin(); it != vportmap.end(); ++it )
delete ( it->second );
for ( std::map<duint32, DRW_Class *>::iterator it = classesmap.begin(); it != classesmap.end(); ++it )
delete ( it->second );
for ( std::map<duint32, DRW_Block_Record *>::iterator it = blockRecordmap.begin(); it != blockRecordmap.end(); ++it )
delete ( it->second );
for ( std::map<duint32, DRW_AppId *>::iterator it = appIdmap.begin(); it != appIdmap.end(); ++it )
delete ( it->second );
delete fileBuf;
}
void dwgReader::parseAttribs( DRW_Entity *e )
{
if ( e )
{
duint32 ltref = e->lTypeH.ref;
duint32 lyref = e->layerH.ref;
std::map<duint32, DRW_LType *>::iterator lt_it = ltypemap.find( ltref );
if ( lt_it != ltypemap.end() )
{
e->lineType = ( lt_it->second )->name;
}
std::map<duint32, DRW_Layer *>::iterator ly_it = layermap.find( lyref );
if ( ly_it != layermap.end() )
{
e->layer = ( ly_it->second )->name;
}
}
}
std::string dwgReader::findTableName( DRW::TTYPE table, dint32 handle )
{
std::string name;
switch ( table )
{
case DRW::STYLE:
{
std::map<duint32, DRW_Textstyle *>::iterator st_it = stylemap.find( handle );
if ( st_it != stylemap.end() )
name = ( st_it->second )->name;
break;
}
case DRW::DIMSTYLE:
{
std::map<duint32, DRW_Dimstyle *>::iterator ds_it = dimstylemap.find( handle );
if ( ds_it != dimstylemap.end() )
name = ( ds_it->second )->name;
break;
}
case DRW::BLOCK_RECORD: //use DRW_Block because name are more correct
{
// std::map<duint32, DRW_Block*>::iterator bk_it = blockmap.find(handle);
// if (bk_it != blockmap.end())
std::map<duint32, DRW_Block_Record *>::iterator bk_it = blockRecordmap.find( handle );
if ( bk_it != blockRecordmap.end() )
name = ( bk_it->second )->name;
break;
}
#if 0
case DRW::VPORT:
{
std::map<duint32, DRW_Vport *>::iterator vp_it = vportmap.find( handle );
if ( vp_it != vportmap.end() )
name = ( vp_it->second )->name;
break;
}
#endif
case DRW::LAYER:
{
std::map<duint32, DRW_Layer *>::iterator ly_it = layermap.find( handle );
if ( ly_it != layermap.end() )
name = ( ly_it->second )->name;
break;
}
case DRW::LTYPE:
{
std::map<duint32, DRW_LType *>::iterator lt_it = ltypemap.find( handle );
if ( lt_it != ltypemap.end() )
name = ( lt_it->second )->name;
break;
}
default:
break;
}
return name;
}
bool dwgReader::readDwgHeader( DRW_Header &hdr, dwgBuffer *buf, dwgBuffer *hBuf )
{
bool ret = hdr.parseDwg( version, buf, hBuf, maintenanceVersion );
//RLZ: copy objectControl handles
return ret;
}
//RLZ: TODO add check instead print
bool dwgReader::checkSentinel( dwgBuffer *buf, enum secEnum::DWGSection, bool start )
{
DRW_UNUSED( start );
QStringList l;
for ( int i = 0; i < 16; i++ )
{
int t = buf->getRawChar8();
l << QStringLiteral( "0x%1" ).arg( t, 0, 16 );
}
QgsDebugMsg( l.join( " " ) );
return true;
}
/*********** objects map ************************/
/**
* Note: object map are split in sections with max size 2035?
* each section are 2 bytes size + data bytes + 2 bytes crc
* size value are data bytes + 2 and to calculate crc are used
* 2 bytes size + data bytes
* last section are 2 bytes size + 2 bytes crc (size value always 2)
**/
bool dwgReader::readDwgHandles( dwgBuffer *dbuf, duint32 offset, duint32 size )
{
QgsDebugMsg( "Entering." );
if ( !dbuf->setPosition( offset ) )
return false;
duint32 maxPos = offset + size;
QgsDebugMsg( QString( "Section HANDLES offset=%1 size=%2 maxPos=%3" )
.arg( offset ).arg( size ).arg( maxPos )
);
int startPos = offset;
while ( maxPos > dbuf->getPosition() )
{
QgsDebugMsgLevel( QString( "start handles section buf->curPosition()=%1" ).arg( dbuf->getPosition() ), 5 );
duint16 size = dbuf->getBERawShort16();
QgsDebugMsgLevel( QString( "object map section size=%1" ).arg( size ), 5 );
dbuf->setPosition( startPos );
duint8 *tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
if ( size != 2 )
{
buff.setPosition( 2 );
int lastHandle = 0;
int lastLoc = 0;
//read data
while ( buff.getPosition() < size )
{
lastHandle += buff.getUModularChar();
lastLoc += buff.getModularChar();
QgsDebugMsgLevel( QString( "object map lastHandle=0x%1 lastLoc=%2" ).arg( lastHandle, 0, 16 ).arg( lastLoc ), 5 );
ObjectMap[lastHandle] = objHandle( 0, lastHandle, lastLoc );
}
}
//verify crc
duint16 crcCalc = buff.crc8( 0xc0c1, 0, size );
delete[]tmpByteStr;
duint16 crcRead = dbuf->getBERawShort16();
if ( crcCalc != crcRead )
{
QgsMessageLog::logMessage( QObject::tr( "Object map section failed CRC check" ), QObject::tr( "DWG/DXF import" ) );
QgsDebugMsg( QString( "object map section crc8 read=%1 crc8 calculated=%2 buf->curPosition()=%3 FAILED" ).arg( crcRead ).arg( crcCalc ).arg( dbuf->getPosition() ) );
}
startPos = dbuf->getPosition();
}
return dbuf->isGood();
}
/*********** objects ************************/
/**
* Reads all the object referenced in the object map section of the DWG file
* (using their object file offsets)
*/
bool dwgReader::readDwgTables( DRW_Header &hdr, dwgBuffer *dbuf )
{
QgsDebugMsgLevel( "Entering.", 4 );
bool ret = true;
bool ret2 = true;
objHandle oc;
std::map<duint32, objHandle>::iterator mit;
dint16 oType;
duint32 bs = 0; //bit size of handle stream 2010+
duint8 *tmpByteStr = nullptr;
//parse linetypes, start with linetype Control
mit = ObjectMap.find( hdr.linetypeCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: LineType control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing LineType control*******" );
oc = mit->second;
ObjectMap.erase( mit );
DRW_ObjControl ltControl;
dbuf->setPosition( oc.loc );
int csize = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[csize];
dbuf->getBytes( tmpByteStr, csize );
dwgBuffer cbuff( tmpByteStr, csize, &decoder );
//verify if object are correct
oType = cbuff.getObjType( version );
if ( oType != 0x38 )
{
QgsDebugMsg( QString( "WARNING: Not LineType control object, found oType 0x%1 instead of 0x38" )
.arg( oType, 0, 16 )
);
ret = false;
}
else //reset position
{
cbuff.resetPosition();
ret2 = ltControl.parseDwg( version, &cbuff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
for ( std::list<duint32>::iterator it = ltControl.handlesList.begin(); it != ltControl.handlesList.end(); ++it )
{
mit = ObjectMap.find( *it );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: LineType not found" );
ret = false;
}
else
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "LineType Handle=0x%1 loc.:%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_LType *lt = new DRW_LType();
dbuf->setPosition( oc.loc );
int lsize = dbuf->getModularShort();
QgsDebugMsg( QString( "LineType size in bytes=%1" ).arg( lsize ) );
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[lsize];
dbuf->getBytes( tmpByteStr, lsize );
dwgBuffer lbuff( tmpByteStr, lsize, &decoder );
ret2 = lt->parseDwg( version, &lbuff, bs );
ltypemap[lt->handle] = lt;
if ( ret )
ret = ret2;
delete[]tmpByteStr;
}
}
}
//parse layers, start with layer Control
mit = ObjectMap.find( hdr.layerCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Layer control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing Layer control*******" );
oc = mit->second;
ObjectMap.erase( mit );
DRW_ObjControl layControl;
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x32 )
{
QgsDebugMsg( QString( "WARNING: Not Layer control object, found oType 0x%1 instead of 0x32" ).arg( oType, 0, 16 ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
ret2 = layControl.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
for ( std::list<duint32>::iterator it = layControl.handlesList.begin(); it != layControl.handlesList.end(); ++it )
{
mit = ObjectMap.find( *it );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Layer not found" );
ret = false;
}
else
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "Layer Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_Layer *la = new DRW_Layer();
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
ret2 = la->parseDwg( version, &buff, bs );
layermap[la->handle] = la;
if ( ret )
ret = ret2;
delete[]tmpByteStr;
}
}
}
//set linetype in layer
for ( std::map<duint32, DRW_Layer *>::iterator it = layermap.begin(); it != layermap.end(); ++it )
{
DRW_Layer *ly = it->second;
duint32 ref = ly->lTypeH.ref;
std::map<duint32, DRW_LType *>::iterator lt_it = ltypemap.find( ref );
if ( lt_it != ltypemap.end() )
{
ly->lineType = ( lt_it->second )->name;
}
}
//parse text styles, start with style Control
mit = ObjectMap.find( hdr.styleCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Style control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing Style control*******" );
oc = mit->second;
ObjectMap.erase( mit );
DRW_ObjControl styControl;
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x34 )
{
QgsDebugMsg( QString( "WARNING: Not Text Style control object, found oType 0x%1 instead of 0x34" ).arg( oType, 0, 16 ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
ret2 = styControl.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
for ( std::list<duint32>::iterator it = styControl.handlesList.begin(); it != styControl.handlesList.end(); ++it )
{
mit = ObjectMap.find( *it );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Style not found" );
ret = false;
}
else
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "Style Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_Textstyle *sty = new DRW_Textstyle();
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
ret2 = sty->parseDwg( version, &buff, bs );
stylemap[sty->handle] = sty;
if ( ret )
ret = ret2;
delete[]tmpByteStr;
}
}
}
//parse dim styles, start with dimstyle Control
mit = ObjectMap.find( hdr.dimstyleCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Dimension Style control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing Dimension Style control*******" );
oc = mit->second;
ObjectMap.erase( mit );
DRW_ObjControl dimstyControl;
dbuf->setPosition( oc.loc );
duint32 size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x44 )
{
QgsDebugMsg( QString( "WARNING: Not Dim Style control object, found oType 0x%1 instead of 0x44" ).arg( oType, 0, 16 ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
ret2 = dimstyControl.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
for ( std::list<duint32>::iterator it = dimstyControl.handlesList.begin(); it != dimstyControl.handlesList.end(); ++it )
{
mit = ObjectMap.find( *it );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Dimension Style not found" );
ret = false;
}
else
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "Dimstyle Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_Dimstyle *sty = new DRW_Dimstyle();
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
ret2 = sty->parseDwg( version, &buff, bs );
dimstylemap[sty->handle] = sty;
if ( ret )
ret = ret2;
delete[]tmpByteStr;
}
}
}
//parse vports, start with vports Control
mit = ObjectMap.find( hdr.vportCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: vports control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing vports control*******" );
oc = mit->second;
ObjectMap.erase( mit );
DRW_ObjControl vportControl;
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x40 )
{
QgsDebugMsg( QString( "WARNING: Not VPorts control object, found oType: 0x%1 instead of 0x40" ).arg( oType, 0, 16 ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
ret2 = vportControl.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
for ( std::list<duint32>::iterator it = vportControl.handlesList.begin(); it != vportControl.handlesList.end(); ++it )
{
mit = ObjectMap.find( *it );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: vport not found" );
ret = false;
}
else
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "Vport Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_Vport *vp = new DRW_Vport();
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
ret2 = vp->parseDwg( version, &buff, bs );
vportmap[vp->handle] = vp;
if ( ret )
ret = ret2;
delete[]tmpByteStr;
}
}
}
//parse Block_records , start with Block_record Control
mit = ObjectMap.find( hdr.blockCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Block_record control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing Block_record control*******" );
oc = mit->second;
ObjectMap.erase( mit );
DRW_ObjControl blockControl;
dbuf->setPosition( oc.loc );
int csize = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[csize];
dbuf->getBytes( tmpByteStr, csize );
dwgBuffer buff( tmpByteStr, csize, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x30 )
{
QgsDebugMsg( QString( "WARNING: Not Block Record control object, found oType 0x%1 instead of 0x30" ).arg( oType ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
ret2 = blockControl.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
for ( std::list<duint32>::iterator it = blockControl.handlesList.begin(); it != blockControl.handlesList.end(); ++it )
{
mit = ObjectMap.find( *it );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: block record not found" );
ret = false;
}
else
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "block record Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_Block_Record *br = new DRW_Block_Record();
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
ret2 = br->parseDwg( version, &buff, bs );
blockRecordmap[br->handle] = br;
if ( ret )
ret = ret2;
delete[]tmpByteStr;
}
}
}
//parse appId , start with appId Control
mit = ObjectMap.find( hdr.appidCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: AppId control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing AppId control*******" );
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "AppId Control Obj Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_ObjControl appIdControl;
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x42 )
{
QgsDebugMsg( QString( "WARNING: Not AppId control object, found oType 0x%1 instead of 0x42" ).arg( oType, 0, 16 ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
ret2 = appIdControl.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
for ( std::list<duint32>::iterator it = appIdControl.handlesList.begin(); it != appIdControl.handlesList.end(); ++it )
{
mit = ObjectMap.find( *it );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: AppId not found" );
ret = false;
}
else
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "AppId Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_AppId *ai = new DRW_AppId();
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
ret2 = ai->parseDwg( version, &buff, bs );
appIdmap[ai->handle] = ai;
if ( ret )
ret = ret2;
delete[]tmpByteStr;
}
}
}
#if 0
//RLZ: parse remaining object controls, TODO: implement all
mit = ObjectMap.find( hdr.viewCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: View control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing View control*******" );
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "View Control Obj Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_ObjControl viewControl;
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x3C )
{
QgsDebugMsg( QString( "WARNING: Not View control object, found oType 0x%1 instead of 0x3c" ).arg( oType, 0, 16 ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
ret2 = viewControl.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
}
mit = ObjectMap.find( hdr.ucsCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Ucs control not found" );
ret = false;
}
else
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( "**********Parsing Ucs control*******" );
QgsDebugMsg( QString( "Ucs Control Obj Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_ObjControl ucsControl;
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x3E )
{
QgsDebugMsg( QString( "WARNING: Not Ucs control object, found oType 0x%1 instead of 0x3e" ).arg( oType, 0, 16 ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
ret2 = ucsControl.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
}
delete[]tmpByteStr;
}
if ( version < DRW::AC1018 ) //r2000-
{
mit = ObjectMap.find( hdr.vpEntHeaderCtrl );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: vpEntHeader control not found" );
ret = false;
}
else
{
QgsDebugMsg( "**********Parsing vpEntHeader control*******" );
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "vpEntHeader Control Obj Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_ObjControl vpEntHeaderCtrl;
dbuf->setPosition( oc.loc );
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
//verify if object are correct
oType = buff.getObjType( version );
if ( oType != 0x46 )
{
QgsDebugMsg( QString( "WARNING: Not vpEntHeader control object, found oType 0x%1 instead of 0x46" ).arg( oType, 0, 16 ) );
ret = false;
}
else //reset position
{
buff.resetPosition();
#if 0
/* RLZ: writeme */
ret2 = vpEntHeader.parseDwg( version, &buff, bs );
if ( ret )
ret = ret2;
#endif // 0
}
delete[]tmpByteStr;
}
}
#endif // 0
return ret;
}
bool dwgReader::readDwgBlocks( DRW_Interface &intfa, dwgBuffer *dbuf )
{
bool ret = true;
bool ret2 = true;
duint32 bs = 0;
duint8 *tmpByteStr = nullptr;
std::map<duint32, objHandle>::iterator mit;
QgsDebugMsg( QString( "object map total size=%1" ).arg( ObjectMap.size() ) );
for ( std::map<duint32, DRW_Block_Record *>::iterator it = blockRecordmap.begin(); it != blockRecordmap.end(); ++it )
{
DRW_Block_Record *bkr = it->second;
QgsDebugMsg( QString( "Parsing Block, record handle=0x%1 Name=%2 - finding block, handle=0x%3" )
.arg( it->first, 0, 16 ).arg( bkr->name.c_str() ).arg( bkr->block, 0, 16 )
);
mit = ObjectMap.find( bkr->block );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: block entity not found" );
ret = false;
continue;
}
objHandle oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "Block Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
if ( !( dbuf->setPosition( oc.loc ) ) )
{
QgsDebugMsg( "Bad Location reading blocks" );
ret = false;
continue;
}
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
DRW_Block bk;
ret2 = bk.parseDwg( version, &buff, bs );
if ( !ret2 )
{
QgsDebugMsg( "parseDwg failed" );
}
delete[]tmpByteStr;
ret = ret && ret2;
parseAttribs( &bk );
//complete block entity with block record data
bk.basePoint = bkr->basePoint;
bk.flags = bkr->flags;
intfa.addBlock( bk );
//and update block record name
bkr->name = bk.name;
//! Read & send block entities
// in dwg code 330 are not set like dxf in ModelSpace & PaperSpace, set it (RLZ: only tested in 2000)
if ( bk.parentHandle == DRW::NoHandle )
{
// in dwg code 330 are not set like dxf in ModelSpace & PaperSpace, set it
bk.parentHandle = bkr->handle;
//and do not send block entities like dxf
}
else
{
if ( version < DRW::AC1018 ) //pre 2004
{
duint32 nextH = bkr->firstEH;
while ( nextH != 0 )
{
mit = ObjectMap.find( nextH );
if ( mit == ObjectMap.end() )
{
nextH = bkr->lastEH;//end while if entity not foud
QgsDebugMsg( "WARNING: Entity of block not found" );
ret = false;
continue;
}
else //foud entity reads it
{
oc = mit->second;
ObjectMap.erase( mit );
ret2 = readDwgEntity( dbuf, oc, intfa );
if ( !ret2 )
{
QgsDebugMsg( "readDwgEntity failed" );
}
ret = ret && ret2;
}
if ( nextH == bkr->lastEH )
nextH = 0; //redundant, but prevent read errors
else
nextH = nextEntLink;
}
}
else //2004+
{
for ( std::vector<duint32>::iterator it = bkr->entMap.begin() ; it != bkr->entMap.end(); ++it )
{
duint32 nextH = *it;
mit = ObjectMap.find( nextH );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Entity of block not found" );
ret = false;
continue;
}
else //found entity, read it
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsgLevel( QString( "Blocks, parsing entity: 0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ), 5 );
ret2 = readDwgEntity( dbuf, oc, intfa );
if ( !ret2 )
{
QgsDebugMsg( "readDwgEntity failed" );
}
ret = ret && ret2;
}
}
}//end 2004+
}
//end block entity, really needed to parse a dummy entity??
mit = ObjectMap.find( bkr->endBlock );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: end block entity not found" );
ret = false;
continue;
}
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "End block Handle=0x%1 loc=%2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
dbuf->setPosition( oc.loc );
size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
bs = dbuf->getUModularChar();
else
bs = 0;
tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff1( tmpByteStr, size, &decoder );
DRW_Block end;
end.isEnd = true;
ret2 = end.parseDwg( version, &buff1, bs );
if ( !ret2 )
{
QgsDebugMsg( QString( "parseDwg failed" ) );
}
delete[]tmpByteStr;
ret = ret && ret2;
if ( bk.parentHandle == DRW::NoHandle ) bk.parentHandle = bkr->handle;
parseAttribs( &end );
intfa.endBlock();
}
return ret;
}
bool dwgReader::readPlineVertex( DRW_Polyline &pline, dwgBuffer *dbuf )
{
bool ret = true;
bool ret2 = true;
objHandle oc;
duint32 bs = 0;
std::map<duint32, objHandle>::iterator mit;
if ( version < DRW::AC1018 ) //pre 2004
{
duint32 nextH = pline.firstEH;
while ( nextH != 0 )
{
mit = ObjectMap.find( nextH );
if ( mit == ObjectMap.end() )
{
nextH = pline.lastEH;//end while if entity not foud
QgsDebugMsg( "WARNING: pline vertex not found" );
ret = false;
continue;
}
else //foud entity reads it
{
oc = mit->second;
ObjectMap.erase( mit );
DRW_Vertex vt;
dbuf->setPosition( oc.loc );
//RLZ: verify if pos is ok
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
{
bs = dbuf->getUModularChar();
}
duint8 *tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
dint16 oType = buff.getObjType( version );
buff.resetPosition();
QgsDebugMsg( QString( " object type=0x%1" ).arg( oType, 0, 16 ) );
Q_UNUSED( oType );
ret2 = vt.parseDwg( version, &buff, bs, pline.basePoint.z );
delete[]tmpByteStr;
pline.addVertex( vt );
nextEntLink = vt.nextEntLink;
\
prevEntLink = vt.prevEntLink;
ret = ret && ret2;
}
if ( nextH == pline.lastEH )
nextH = 0; //redundant, but prevent read errors
else
nextH = nextEntLink;
}
}
else //2004+
{
for ( std::list<duint32>::iterator it = pline.handleList.begin() ; it != pline.handleList.end(); ++it )
{
duint32 nextH = *it;
mit = ObjectMap.find( nextH );
if ( mit == ObjectMap.end() )
{
QgsDebugMsg( "WARNING: Entity of block not found" );
ret = false;
continue;
}
else //foud entity reads it
{
oc = mit->second;
ObjectMap.erase( mit );
QgsDebugMsg( QString( "Pline vertex, parsing entity 0x%1, pos %2" ).arg( oc.handle, 0, 16 ).arg( oc.loc ) );
DRW_Vertex vt;
dbuf->setPosition( oc.loc );
//RLZ: verify if pos is ok
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
{
bs = dbuf->getUModularChar();
}
duint8 *tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
dwgBuffer buff( tmpByteStr, size, &decoder );
dint16 oType = buff.getObjType( version );
buff.resetPosition();
QgsDebugMsg( QString( " object type=0x%1" ).arg( oType, 0, 16 ) );
Q_UNUSED( oType );
ret2 = vt.parseDwg( version, &buff, bs, pline.basePoint.z );
delete[]tmpByteStr;
pline.addVertex( vt );
nextEntLink = vt.nextEntLink;
\
prevEntLink = vt.prevEntLink;
ret = ret && ret2;
}
}
}//end 2004+
QgsDebugMsg( QString( "Removed SEQEND entity:0x%1" ).arg( pline.seqEndH.ref, 0, 16 ) );
ObjectMap.erase( pline.seqEndH.ref );
return ret;
}
bool dwgReader::readDwgEntities( DRW_Interface &intfa, dwgBuffer *dbuf )
{
bool ret = true;
bool ret2 = true;
QgsDebugMsg( QString( "object map total size=%1" ).arg( ObjectMap.size() ) );
std::map<duint32, objHandle>::iterator itB = ObjectMap.begin();
std::map<duint32, objHandle>::iterator itE = ObjectMap.end();
while ( itB != itE )
{
ret2 = readDwgEntity( dbuf, itB->second, intfa );
ObjectMap.erase( itB );
itB = ObjectMap.begin();
if ( ret )
ret = ret2;
}
return ret;
}
/**
* Reads a dwg drawing entity (dwg object entity) given its offset in the file
*/
bool dwgReader::readDwgEntity( dwgBuffer *dbuf, objHandle &obj, DRW_Interface &intfa )
{
bool ret = true;
duint32 bs = 0;
#define ENTRY_PARSE(e) \
ret = e.parseDwg(version, &buff, bs); \
parseAttribs(&e); \
e.applyExtrusion(); \
nextEntLink = e.nextEntLink; \
prevEntLink = e.prevEntLink;
nextEntLink = prevEntLink = 0;// set to 0 to skip unimplemented entities
dbuf->setPosition( obj.loc );
//verify if position is ok:
if ( !dbuf->isGood() )
{
QgsDebugMsg( QString( "0x%1: bad location %2" ).arg( obj.handle, 0, 16 ).arg( obj.loc ) );
return false;
}
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
{
bs = dbuf->getUModularChar();
}
duint8 *tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
//verify if getBytes is ok:
if ( !dbuf->isGood() )
{
QgsDebugMsg( QString( "0x%1: bad size %2" ).arg( obj.handle, 0, 16 ).arg( size ) );
delete[]tmpByteStr;
return false;
}
dwgBuffer buff( tmpByteStr, size, &decoder );
dint16 oType = buff.getObjType( version );
buff.resetPosition();
if ( oType > 499 )
{
std::map<duint32, DRW_Class *>::iterator it = classesmap.find( oType );
if ( it == classesmap.end() ) //fail, not found in classes set error
{
QgsMessageLog::logMessage( QObject::tr( "Class 0x%1 not found, handle 0x%2" ).arg( oType, 0, 16 ).arg( obj.handle, 0, 16 ), QObject::tr( "DWG/DXF import" ) );
delete[]tmpByteStr;
return false;
}
else
{
DRW_Class *cl = it->second;
if ( cl->dwgType != 0 )
oType = cl->dwgType;
}
}
obj.type = oType;
switch ( oType )
{
case 17:
{
DRW_Arc e;
ENTRY_PARSE( e )
intfa.addArc( e );
break;
}
case 18:
{
DRW_Circle e;
ENTRY_PARSE( e )
intfa.addCircle( e );
break;
}
case 19:
{
DRW_Line e;
ENTRY_PARSE( e )
intfa.addLine( e );
break;
}
case 27:
{
DRW_Point e;
ENTRY_PARSE( e )
intfa.addPoint( e );
break;
}
case 35:
{
DRW_Ellipse e;
ENTRY_PARSE( e )
intfa.addEllipse( e );
break;
}
case 7:
case 8: //minsert = 8
{
DRW_Insert e;
ENTRY_PARSE( e )
e.name = findTableName( DRW::BLOCK_RECORD, e.blockRecH.ref );//RLZ: find as block or blockrecord (ps & ps0)
intfa.addInsert( e );
break;
}
case 77:
{
DRW_LWPolyline e;
ENTRY_PARSE( e )
intfa.addLWPolyline( e );
break;
}
case 1:
{
DRW_Text e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::STYLE, e.styleH.ref );
intfa.addText( e );
break;
}
case 44:
{
DRW_MText e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::STYLE, e.styleH.ref );
intfa.addMText( e );
break;
}
case 28:
{
DRW_3Dface e;
ENTRY_PARSE( e )
intfa.add3dFace( e );
break;
}
case 20:
{
DRW_DimOrdinate e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::DIMSTYLE, e.dimStyleH.ref );
intfa.addDimOrdinate( &e );
break;
}
case 21:
{
DRW_DimLinear e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::DIMSTYLE, e.dimStyleH.ref );
intfa.addDimLinear( &e );
break;
}
case 22:
{
DRW_DimAligned e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::DIMSTYLE, e.dimStyleH.ref );
intfa.addDimAlign( &e );
break;
}
case 23:
{
DRW_DimAngular3p e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::DIMSTYLE, e.dimStyleH.ref );
intfa.addDimAngular3P( &e );
break;
}
case 24:
{
DRW_DimAngular e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::DIMSTYLE, e.dimStyleH.ref );
intfa.addDimAngular( &e );
break;
}
case 25:
{
DRW_DimRadial e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::DIMSTYLE, e.dimStyleH.ref );
intfa.addDimRadial( &e );
break;
}
case 26:
{
DRW_DimDiametric e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::DIMSTYLE, e.dimStyleH.ref );
intfa.addDimDiametric( &e );
break;
}
case 45:
{
DRW_Leader e;
ENTRY_PARSE( e )
e.style = findTableName( DRW::DIMSTYLE, e.dimStyleH.ref );
intfa.addLeader( &e );
break;
}
case 31:
{
DRW_Solid e;
ENTRY_PARSE( e )
intfa.addSolid( e );
break;
}
case 78:
{
DRW_Hatch e;
ENTRY_PARSE( e )
intfa.addHatch( &e );
break;
}
case 32:
{
DRW_Trace e;
ENTRY_PARSE( e )
intfa.addTrace( e );
break;
}
case 34:
{
DRW_Viewport e;
ENTRY_PARSE( e )
intfa.addViewport( e );
break;
}
case 36:
{
DRW_Spline e;
ENTRY_PARSE( e )
intfa.addSpline( &e );
break;
}
case 40:
{
DRW_Ray e;
ENTRY_PARSE( e )
intfa.addRay( e );
break;
}
case 15: // pline 2D
case 16: // pline 3D
case 29: // pline PFACE
{
DRW_Polyline e;
ENTRY_PARSE( e )
readPlineVertex( e, dbuf );
intfa.addPolyline( e );
break;
}
#if 0
case 30:
{
DRW_Polyline e;// MESH (not pline)
ENTRY_PARSE( e )
intfa.addRay( e );
break;
}
#endif
case 41:
{
DRW_Xline e;
ENTRY_PARSE( e )
intfa.addXline( e );
break;
}
case 101:
{
DRW_Image e;
ENTRY_PARSE( e )
intfa.addImage( &e );
break;
}
default:
//not supported or are object add to remaining map
objObjectMap[obj.handle] = obj;
break;
}
if ( !ret )
{
QgsDebugMsg( QString( "Warning: Entity type 0x%1 has failed, handle 0x%2" ).arg( oType, 0, 16 ).arg( obj.handle, 0, 16 ) );
}
delete[]tmpByteStr;
return ret;
}
bool dwgReader::readDwgObjects( DRW_Interface &intfa, dwgBuffer *dbuf )
{
bool ret = true;
bool ret2 = true;
duint32 i = 0;
QgsDebugMsg( QString( "entities map total size=%1, object map total size=%2" ).arg( ObjectMap.size() ).arg( objObjectMap.size() ) );
Q_UNUSED( i );
std::map<duint32, objHandle>::iterator itB = objObjectMap.begin();
std::map<duint32, objHandle>::iterator itE = objObjectMap.end();
while ( itB != itE )
{
ret2 = readDwgObject( dbuf, itB->second, intfa );
objObjectMap.erase( itB );
itB = objObjectMap.begin();
if ( ret )
ret = ret2;
}
#ifdef QGISDEBUG
for ( std::map<duint32, objHandle>::iterator it = remainingMap.begin(); it != remainingMap.end(); ++it )
{
QgsDebugMsgLevel( QString( "num.#%1 Remaining object Handle, loc, type=%2 %3 %4" )
.arg( i++ ).arg( it->first ).arg( it->second.loc ).arg( it->second.type ), 5
);
}
#endif
return ret;
}
/**
* Reads a dwg drawing object (dwg object object) given its offset in the file
*/
bool dwgReader::readDwgObject( dwgBuffer *dbuf, objHandle &obj, DRW_Interface &intfa )
{
bool ret = true;
duint32 bs = 0;
dbuf->setPosition( obj.loc );
//verify if position is ok:
if ( !dbuf->isGood() )
{
QgsDebugMsg( QString( "0x%1: bad location %2" ).arg( obj.handle, 0, 16 ).arg( obj.loc ) );
return false;
}
int size = dbuf->getModularShort();
if ( version > DRW::AC1021 ) //2010+
{
bs = dbuf->getUModularChar();
}
duint8 *tmpByteStr = new duint8[size];
dbuf->getBytes( tmpByteStr, size );
//verify if getBytes is ok:
if ( !dbuf->isGood() )
{
QgsDebugMsg( QString( "0x%1: bad size %2" ).arg( obj.handle, 0, 16 ).arg( size ) );
delete[]tmpByteStr;
return false;
}
dwgBuffer buff( tmpByteStr, size, &decoder );
//oType are set parsing entities
dint16 oType = obj.type;
switch ( oType )
{
case 102:
{
DRW_ImageDef e;
ret = e.parseDwg( version, &buff, bs );
intfa.linkImage( &e );
break;
}
default:
//not supported object or entity add to remaining map for debug
remainingMap[obj.handle] = obj;
break;
}
if ( !ret )
{
QgsDebugMsg( QString( "Warning: Object type 0x%1 has failed, handle 0x%2" )
.arg( oType, 0, 16 ).arg( obj.handle, 0, 16 )
);
}
delete[]tmpByteStr;
return ret;
}
bool DRW_ObjControl::parseDwg( DRW::Version version, dwgBuffer *buf, duint32 bs )
{
int unkData = 0;
bool ret = DRW_TableEntry::parseDwg( version, buf, nullptr, bs );
QgsDebugMsg( "***************************** parsing object control entry *********************************************" );
if ( !ret )
return ret;
//last parsed is: XDic Missing Flag 2004+
int numEntries = buf->getBitLong();
QgsDebugMsg( QString( " num entries:%1 remaining bytes:%2" ).arg( numEntries ).arg( buf->numRemainingBytes() ) );
// if (oType == 68 && version== DRW::AC1015){//V2000 dimstyle seems have one unknown byte hard handle counter??
if ( oType == 68 && version > DRW::AC1014 ) //dimstyle seems have one unknown byte hard handle counter??
{
unkData = buf->getRawChar8();
QgsDebugMsg( QString( " unknown v2000 byte: %1" ).arg( unkData ) );
}
if ( version > DRW::AC1018 ) //from v2007+ have a bit for strings follows (ObjControl do not have)
{
int stringBit = buf->getBit();
QgsDebugMsg( QString( " string bit for v2007+: %1" ).arg( stringBit ) );
Q_UNUSED( stringBit );
}
dwgHandle objectH = buf->getHandle();
QgsDebugMsg( QString( " NULL Handle: %1.%2 0x%3, remaining bytes %4" )
.arg( objectH.code ).arg( objectH.size ).arg( objectH.ref, 0, 16 )
.arg( buf->numRemainingBytes() )
);
// if (oType == 56 && version== DRW::AC1015){//linetype in 2004 seems not have XDicObjH or NULL handle
if ( xDictFlag != 1 ) //linetype in 2004 seems not have XDicObjH or NULL handle
{
dwgHandle XDicObjH = buf->getHandle();
QgsDebugMsg( QString( " XDicObj Handle: %1.%2 0x%3, remaining bytes %4" )
.arg( XDicObjH.code ).arg( XDicObjH.size ).arg( XDicObjH.ref, 0, 16 )
.arg( buf->numRemainingBytes() )
);
}
//add 2 for modelspace, paperspace blocks & bylayer, byblock linetypes
numEntries = ( ( oType == 48 ) || ( oType == 56 ) ) ? ( numEntries + 2 ) : numEntries;
for ( int i = 0; i < numEntries; i++ )
{
objectH = buf->getOffsetHandle( handle );
if ( objectH.ref != 0 ) //in vports R14 I found some NULL handles
handlesList.push_back( objectH.ref );
QgsDebugMsgLevel( QString( " objectH Handle: %1.%2 0x%3, remaining bytes %4" )
.arg( objectH.code ).arg( objectH.size ).arg( objectH.ref, 0, 16 )
.arg( buf->numRemainingBytes() ), 5
);
}
for ( int i = 0; i < unkData; i++ )
{
objectH = buf->getOffsetHandle( handle );
QgsDebugMsg( QString( " unknown Handle: %1.%2 0x%3, remaining bytes %4" )
.arg( objectH.code ).arg( objectH.size ).arg( objectH.ref, 0, 16 )
.arg( buf->numRemainingBytes() )
);
}
return buf->isGood();
}
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