mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-24 00:47:57 -05:00
110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
/******************************************************************************
|
|
** 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/>. **
|
|
******************************************************************************/
|
|
|
|
#ifndef DWGREADER18_H
|
|
#define DWGREADER18_H
|
|
|
|
#include <map>
|
|
#include <list>
|
|
#include "dwgreader.h"
|
|
//#include "../drw_textcodec.h"
|
|
#include "dwgbuffer.h"
|
|
|
|
static const int DRW_magicNum18[] =
|
|
{
|
|
0x29, 0x23, 0xbe, 0x84, 0xe1, 0x6c, 0xd6, 0xae,
|
|
0x52, 0x90, 0x49, 0xf1, 0xf1, 0xbb, 0xe9, 0xeb,
|
|
0xb3, 0xa6, 0xdb, 0x3c, 0x87, 0x0c, 0x3e, 0x99,
|
|
0x24, 0x5e, 0x0d, 0x1c, 0x06, 0xb7, 0x47, 0xde,
|
|
0xb3, 0x12, 0x4d, 0xc8, 0x43, 0xbb, 0x8b, 0xa6,
|
|
0x1f, 0x03, 0x5a, 0x7d, 0x09, 0x38, 0x25, 0x1f,
|
|
0x5d, 0xd4, 0xcb, 0xfc, 0x96, 0xf5, 0x45, 0x3b,
|
|
0x13, 0x0d, 0x89, 0x0a, 0x1c, 0xdb, 0xae, 0x32,
|
|
0x20, 0x9a, 0x50, 0xee, 0x40, 0x78, 0x36, 0xfd,
|
|
0x12, 0x49, 0x32, 0xf6, 0x9e, 0x7d, 0x49, 0xdc,
|
|
0xad, 0x4f, 0x14, 0xf2, 0x44, 0x40, 0x66, 0xd0,
|
|
0x6b, 0xc4, 0x30, 0xb7, 0x32, 0x3b, 0xa1, 0x22,
|
|
0xf6, 0x22, 0x91, 0x9d, 0xe1, 0x8b, 0x1f, 0xda,
|
|
0xb0, 0xca, 0x99, 0x02
|
|
};
|
|
|
|
static const int DRW_magicNumEnd18[] =
|
|
{
|
|
0xf8, 0x46, 0x6a, 0x04, 0x96, 0x73, 0x0e, 0xd9,
|
|
0x16, 0x2f, 0x67, 0x68, 0xd4, 0xf7, 0x4a, 0x4a,
|
|
0xd0, 0x57, 0x68, 0x76
|
|
};
|
|
|
|
class dwgReader18 : public dwgReader
|
|
{
|
|
public:
|
|
dwgReader18( std::ifstream *stream, dwgR *p )
|
|
: dwgReader( stream, p )
|
|
, objData( nullptr )
|
|
, uncompSize( 0 )
|
|
{
|
|
}
|
|
virtual ~dwgReader18()
|
|
{
|
|
if ( objData )
|
|
delete[] objData;
|
|
}
|
|
bool readMetaData();
|
|
bool readFileHeader();
|
|
bool readDwgHeader( DRW_Header &hdr );
|
|
bool readDwgClasses();
|
|
bool readDwgHandles();
|
|
bool readDwgTables( DRW_Header &hdr );
|
|
bool readDwgBlocks( DRW_Interface &intfa )
|
|
{
|
|
dwgBuffer dataBuf( objData, uncompSize, &decoder );
|
|
return dwgReader::readDwgBlocks( intfa, &dataBuf );
|
|
}
|
|
|
|
virtual bool readDwgEntities( DRW_Interface &intfa )
|
|
{
|
|
bool ret = true;
|
|
dwgBuffer dataBuf( objData, uncompSize, &decoder );
|
|
ret = dwgReader::readDwgEntities( intfa, &dataBuf );
|
|
return ret;
|
|
}
|
|
virtual bool readDwgObjects( DRW_Interface &intfa )
|
|
{
|
|
dwgBuffer dataBuf( objData, uncompSize, &decoder );
|
|
return dwgReader::readDwgObjects( intfa, &dataBuf );
|
|
}
|
|
|
|
#if 0
|
|
bool readDwgEntity( objHandle &obj, DRW_Interface &intfa )
|
|
{
|
|
bool ret = true;
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
protected:
|
|
duint8 *objData = nullptr;
|
|
duint64 uncompSize;
|
|
|
|
private:
|
|
void genMagicNumber();
|
|
// dwgBuffer* bufObj;
|
|
void parseSysPage( duint8 *decompSec, duint32 decompSize ); //called: Section page map: 0x41630e3b
|
|
bool parseDataPage( dwgSectionInfo si/*, duint8 *dData*/ ); //called ???: Section map: 0x4163003b
|
|
duint32 checksum( duint32 seed, duint8 *data, duint32 sz );
|
|
|
|
private:
|
|
duint32 securityFlags;
|
|
};
|
|
|
|
#endif // DWGREADER18_H
|