AOO410/main/filter/source/graphicfilter/idxf/dxfentrd.cxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_filter.hxx"

#include <string.h>
#include <dxfentrd.hxx>

//--------------------------DXFBasicEntity--------------------------------------

DXFBasicEntity::DXFBasicEntity(DXFEntityType eThisType)
{
	eType=eThisType;
	pSucc=NULL;
	strncpy(sLayer,"0", 2 );
	strncpy(sLineType,"BYLAYER", 8 );
	fElevation=0;
	fThickness=0;
	nColor=256;
	nSpace=0;
	aExtrusion.fx=0.0;
	aExtrusion.fy=0.0;
	aExtrusion.fz=1.0;
}

void DXFBasicEntity::Read(DXFGroupReader & rDGR)
{
	while (rDGR.Read()!=0) EvaluateGroup(rDGR);
}

void DXFBasicEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG())
	{
		case   8: strncpy( sLayer, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case   6: strncpy( sLineType, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case  38: fElevation=rDGR.GetF(); break;
		case  39: fThickness=rDGR.GetF(); break;
		case  62: nColor=rDGR.GetI(); break;
		case  67: nSpace=rDGR.GetI(); break;
		case 210: aExtrusion.fx=rDGR.GetF(); break;
		case 220: aExtrusion.fy=rDGR.GetF(); break;
		case 230: aExtrusion.fz=rDGR.GetF(); break;
	}
}

DXFBasicEntity::~DXFBasicEntity()
{
}

//--------------------------DXFLineEntity---------------------------------------

DXFLineEntity::DXFLineEntity() : DXFBasicEntity(DXF_LINE)
{
}

void DXFLineEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 11: aP1.fx=rDGR.GetF(); break;
		case 21: aP1.fy=rDGR.GetF(); break;
		case 31: aP1.fz=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFPointEntity--------------------------------------

DXFPointEntity::DXFPointEntity() : DXFBasicEntity(DXF_POINT)
{
}

void DXFPointEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFCircleEntity-------------------------------------

DXFCircleEntity::DXFCircleEntity() : DXFBasicEntity(DXF_CIRCLE)
{
	fRadius=1.0;
}

void DXFCircleEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 40: fRadius=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFArcEntity----------------------------------------

DXFArcEntity::DXFArcEntity() : DXFBasicEntity(DXF_ARC)
{
	fRadius=1.0;
	fStart=0;
	fEnd=360.0;
}

void DXFArcEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 40: fRadius=rDGR.GetF(); break;
		case 50: fStart=rDGR.GetF(); break;
		case 51: fEnd=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFTraceEntity--------------------------------------

DXFTraceEntity::DXFTraceEntity() : DXFBasicEntity(DXF_TRACE)
{
}

void DXFTraceEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 11: aP1.fx=rDGR.GetF(); break;
		case 21: aP1.fy=rDGR.GetF(); break;
		case 31: aP1.fz=rDGR.GetF(); break;
		case 12: aP2.fx=rDGR.GetF(); break;
		case 22: aP2.fy=rDGR.GetF(); break;
		case 32: aP2.fz=rDGR.GetF(); break;
		case 13: aP3.fx=rDGR.GetF(); break;
		case 23: aP3.fy=rDGR.GetF(); break;
		case 33: aP3.fz=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFSolidEntity--------------------------------------

DXFSolidEntity::DXFSolidEntity() : DXFBasicEntity(DXF_SOLID)
{
}

void DXFSolidEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 11: aP1.fx=rDGR.GetF(); break;
		case 21: aP1.fy=rDGR.GetF(); break;
		case 31: aP1.fz=rDGR.GetF(); break;
		case 12: aP2.fx=rDGR.GetF(); break;
		case 22: aP2.fy=rDGR.GetF(); break;
		case 32: aP2.fz=rDGR.GetF(); break;
		case 13: aP3.fx=rDGR.GetF(); break;
		case 23: aP3.fy=rDGR.GetF(); break;
		case 33: aP3.fz=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFTextEntity---------------------------------------

DXFTextEntity::DXFTextEntity() : DXFBasicEntity(DXF_TEXT)
{
	fHeight=1.0;
	sText[0]=0;
	fRotAngle=0.0;
	fXScale=1.0;
	fOblAngle=0.0;
	strncpy( sStyle, "STANDARD", 9 );
	nGenFlags=0;
	nHorzJust=0;
	nVertJust=0;
}

void DXFTextEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 40: fHeight=rDGR.GetF(); break;
		case  1: strncpy( sText, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case 50: fRotAngle=rDGR.GetF(); break;
		case 41: fXScale=rDGR.GetF(); break;
		case 42: fOblAngle=rDGR.GetF(); break;
		case  7: strncpy( sStyle, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case 71: nGenFlags=rDGR.GetI(); break;
		case 72: nHorzJust=rDGR.GetI(); break;
		case 73: nVertJust=rDGR.GetI(); break;
		case 11: aAlign.fx=rDGR.GetF(); break;
		case 21: aAlign.fy=rDGR.GetF(); break;
		case 31: aAlign.fz=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFShapeEntity--------------------------------------

DXFShapeEntity::DXFShapeEntity() : DXFBasicEntity(DXF_SHAPE)
{
	fSize=1.0;
	sName[0]=0;
	fRotAngle=0;
	fXScale=1.0;
	fOblAngle=0;
}

void DXFShapeEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 40: fSize=rDGR.GetF(); break;
		case  2: strncpy( sName, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case 50: fRotAngle=rDGR.GetF(); break;
		case 41: fXScale=rDGR.GetF(); break;
		case 51: fOblAngle=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFInsertEntity-------------------------------------

DXFInsertEntity::DXFInsertEntity() : DXFBasicEntity(DXF_INSERT)
{
	nAttrFlag=0;
	sName[0]=0;
	fXScale=1.0;
	fYScale=1.0;
	fZScale=1.0;
	fRotAngle=0.0;
	nColCount=1;
	nRowCount=1;
	fColSpace=0.0;
	fRowSpace=0.0;
}

void DXFInsertEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 66: nAttrFlag=rDGR.GetI(); break;
		case  2: strncpy( sName, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 41: fXScale=rDGR.GetF(); break;
		case 42: fYScale=rDGR.GetF(); break;
		case 43: fZScale=rDGR.GetF(); break;
		case 50: fRotAngle=rDGR.GetF(); break;
		case 70: nColCount=rDGR.GetI(); break;
		case 71: nRowCount=rDGR.GetI(); break;
		case 44: fColSpace=rDGR.GetF(); break;
		case 45: fRowSpace=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFAttDefEntity-------------------------------------

DXFAttDefEntity::DXFAttDefEntity() : DXFBasicEntity(DXF_ATTDEF)
{
	fHeight=1.0;
	sDefVal[0]=0;
	sPrompt[0]=0;
	sTagStr[0]=0;
	nAttrFlags=0;
	nFieldLen=0;
	fRotAngle=0.0;
	fXScale=1.0;
	fOblAngle=0.0;
	strncpy( sStyle, "STANDARD", 9 );
	nGenFlags=0;
	nHorzJust=0;
	nVertJust=0;
}

void DXFAttDefEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 40: fHeight=rDGR.GetF(); break;
		case  1: strncpy( sDefVal, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case  3: strncpy( sPrompt, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case  2: strncpy( sTagStr, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case 70: nAttrFlags=rDGR.GetI(); break;
		case 73: nFieldLen=rDGR.GetI(); break;
		case 50: fRotAngle=rDGR.GetF(); break;
		case 41: fXScale=rDGR.GetF(); break;
		case 51: fOblAngle=rDGR.GetF(); break;
		case  7: strncpy( sStyle, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case 71: nGenFlags=rDGR.GetI(); break;
		case 72: nHorzJust=rDGR.GetI(); break;
		case 74: nVertJust=rDGR.GetI(); break;
		case 11: aAlign.fx=rDGR.GetF(); break;
		case 21: aAlign.fy=rDGR.GetF(); break;
		case 31: aAlign.fz=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFAttribEntity-------------------------------------

DXFAttribEntity::DXFAttribEntity() : DXFBasicEntity(DXF_ATTRIB)
{
	fHeight=1.0;
	sText[0]=0;
	sTagStr[0]=0;
	nAttrFlags=0;
	nFieldLen=0;
	fRotAngle=0.0;
	fXScale=1.0;
	fOblAngle=0.0;
	strncpy( sStyle, "STANDARD", 9 );
	nGenFlags=0;
	nHorzJust=0;
	nVertJust=0;
}

void DXFAttribEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 40: fHeight=rDGR.GetF(); break;
		case  1: strncpy( sText, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case  2: strncpy( sTagStr, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case 70: nAttrFlags=rDGR.GetI(); break;
		case 73: nFieldLen=rDGR.GetI(); break;
		case 50: fRotAngle=rDGR.GetF(); break;
		case 41: fXScale=rDGR.GetF(); break;
		case 51: fOblAngle=rDGR.GetF(); break;
		case  7: strncpy( sStyle, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		case 71: nGenFlags=rDGR.GetI(); break;
		case 72: nHorzJust=rDGR.GetI(); break;
		case 74: nVertJust=rDGR.GetI(); break;
		case 11: aAlign.fx=rDGR.GetF(); break;
		case 21: aAlign.fy=rDGR.GetF(); break;
		case 31: aAlign.fz=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFPolyLine-----------------------------------------

DXFPolyLineEntity::DXFPolyLineEntity() : DXFBasicEntity(DXF_POLYLINE)
{
	fElevation=0.0;
	nFlags=0;
	fSWidth=0.0;
	fEWidth=0.0;
	nMeshMCount=0;
	nMeshNCount=0;
	nMDensity=0;
	nNDensity=0;
	nCSSType=0;
}

void DXFPolyLineEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 30: fElevation=rDGR.GetF(); break;
		case 70: nFlags=rDGR.GetI(); break;
		case 40: fSWidth=rDGR.GetF(); break;
		case 41: fEWidth=rDGR.GetF(); break;
		case 71: nMeshMCount=rDGR.GetI(); break;
		case 72: nMeshNCount=rDGR.GetI(); break;
		case 73: nMDensity=rDGR.GetI(); break;
		case 74: nNDensity=rDGR.GetI(); break;
		case 75: nCSSType=rDGR.GetI(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFLWPolyLine---------------------------------------

DXFLWPolyLineEntity::DXFLWPolyLineEntity() :
	DXFBasicEntity( DXF_LWPOLYLINE ),
	nIndex( 0 ),
	nCount( 0 ),
	nFlags( 0 ),
	fConstantWidth( 0.0 ),
	fStartWidth( 0.0 ),
	fEndWidth( 0.0 ),
	pP( NULL )
{
}

void DXFLWPolyLineEntity::EvaluateGroup( DXFGroupReader & rDGR )
{
	switch ( rDGR.GetG() )
	{
		case 90 :
		{
			nCount = rDGR.GetI();
			if ( nCount )
				pP = new DXFVector[ nCount ];
		}
		break;
		case 70: nFlags = rDGR.GetI(); break;
		case 43: fConstantWidth = rDGR.GetF(); break;
		case 40: fStartWidth = rDGR.GetF(); break;
		case 41: fEndWidth = rDGR.GetF(); break;
		case 10:
		{
			if ( pP && ( nIndex < nCount ) )
				pP[ nIndex ].fx = rDGR.GetF();
		}
		break;
		case 20:
		{
			if ( pP && ( nIndex < nCount ) )
				pP[ nIndex++ ].fy = rDGR.GetF();
		}
		break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

DXFLWPolyLineEntity::~DXFLWPolyLineEntity()
{
	delete[] pP;
}

//--------------------------DXFHatchEntity-------------------------------------

DXFEdgeTypeLine::DXFEdgeTypeLine() :
	DXFEdgeType( 1 )
{
	
}
DXFEdgeTypeLine::~DXFEdgeTypeLine()
{

}
sal_Bool DXFEdgeTypeLine::EvaluateGroup( DXFGroupReader & rDGR )
{
	sal_Bool bExecutingGroupCode = sal_True;
	switch ( rDGR.GetG() )
	{
		case 10 : aStartPoint.fx = rDGR.GetF(); break;
		case 20 : aStartPoint.fy = rDGR.GetF(); break;
		case 11 : aEndPoint.fx = rDGR.GetF(); break;
		case 21 : aEndPoint.fy = rDGR.GetF(); break;
		default : bExecutingGroupCode = sal_False; break;
	}
	return  bExecutingGroupCode;
}

DXFEdgeTypeCircularArc::DXFEdgeTypeCircularArc() :
	DXFEdgeType( 2 ),
	fRadius( 0.0 ),
	fStartAngle( 0.0 ),
	fEndAngle( 0.0 ),
	nIsCounterClockwiseFlag( 0 )
{	
}
DXFEdgeTypeCircularArc::~DXFEdgeTypeCircularArc()
{
}
sal_Bool DXFEdgeTypeCircularArc::EvaluateGroup( DXFGroupReader & rDGR )
{
	sal_Bool bExecutingGroupCode = sal_True;
	switch ( rDGR.GetG() )
	{
		case 10 : aCenter.fx = rDGR.GetF(); break;
		case 20 : aCenter.fy = rDGR.GetF(); break;
		case 40 : fRadius = rDGR.GetF(); break;
		case 50 : fStartAngle = rDGR.GetF(); break;
		case 51 : fEndAngle = rDGR.GetF(); break;
		case 73 : nIsCounterClockwiseFlag = rDGR.GetI(); break;
		default : bExecutingGroupCode = sal_False; break;
	}
	return  bExecutingGroupCode;
}

DXFEdgeTypeEllipticalArc::DXFEdgeTypeEllipticalArc() :
	DXFEdgeType( 3 ),
	fLength( 0.0 ), 
	fStartAngle( 0.0 ),
	fEndAngle( 0.0 ),
	nIsCounterClockwiseFlag( 0 )
{
}
DXFEdgeTypeEllipticalArc::~DXFEdgeTypeEllipticalArc()
{

}
sal_Bool DXFEdgeTypeEllipticalArc::EvaluateGroup( DXFGroupReader & rDGR )
{
	sal_Bool bExecutingGroupCode = sal_True;
	switch( rDGR.GetG() )
	{
		case 10 : aCenter.fx = rDGR.GetF(); break;
		case 20 : aCenter.fy = rDGR.GetF(); break;
		case 11 : aEndPoint.fx = rDGR.GetF(); break;
		case 21 : aEndPoint.fy = rDGR.GetF(); break;
		case 40 : fLength = rDGR.GetF(); break;
		case 50 : fStartAngle = rDGR.GetF(); break;
		case 51 : fEndAngle = rDGR.GetF(); break;
		case 73 : nIsCounterClockwiseFlag = rDGR.GetI(); break;
		default : bExecutingGroupCode = sal_False; break;
	}
	return  bExecutingGroupCode;
}

DXFEdgeTypeSpline::DXFEdgeTypeSpline() :
	DXFEdgeType( 4 ),
	nDegree( 0 ),
	nRational( 0 ),
	nPeriodic( 0 ),
	nKnotCount( 0 ),
	nControlCount( 0 )
{
}
DXFEdgeTypeSpline::~DXFEdgeTypeSpline()
{

}
sal_Bool DXFEdgeTypeSpline::EvaluateGroup( DXFGroupReader & rDGR )
{
	sal_Bool bExecutingGroupCode = sal_True;
	switch ( rDGR.GetG() )
	{
		case 94 : nDegree = rDGR.GetI(); break;
		case 73 : nRational = rDGR.GetI(); break;
		case 74 : nPeriodic = rDGR.GetI(); break;
		case 95 : nKnotCount = rDGR.GetI(); break;
		case 96 : nControlCount = rDGR.GetI(); break;
		default : bExecutingGroupCode = sal_False; break;
	}
	return  bExecutingGroupCode;
}

DXFBoundaryPathData::DXFBoundaryPathData() :
	nFlags( 0 ),
	nHasBulgeFlag( 0 ),
	nIsClosedFlag( 0 ),
	nPointCount( 0 ),
	fBulge( 0.0 ),	
	nSourceBoundaryObjects( 0 ),
	nEdgeCount( 0 ),
	bIsPolyLine( sal_True ),
	nPointIndex( 0 ),
	pP( NULL )
{
}

DXFBoundaryPathData::~DXFBoundaryPathData()
{
	sal_uInt32 i = 0;
	for ( i = 0; i < aEdges.size(); i++ )
		delete aEdges[ i ];
	delete[] pP;
}

sal_Bool DXFBoundaryPathData::EvaluateGroup( DXFGroupReader & rDGR )
{
	sal_Bool bExecutingGroupCode = sal_True;
	if ( bIsPolyLine )
	{
		switch( rDGR.GetG() )
		{
			case 92 :
			{
				nFlags = rDGR.GetI();
				if ( ( nFlags & 2 ) == 0 )
					bIsPolyLine = sal_False;
			}
			break;
			case 93 :
			{
				nPointCount = rDGR.GetI();
				if ( nPointCount )
					pP = new DXFVector[ nPointCount ];
			}
			break;
			case 72 : nHasBulgeFlag = rDGR.GetI(); break;
			case 73 : nIsClosedFlag = rDGR.GetI(); break;
			case 97 : nSourceBoundaryObjects = rDGR.GetI(); break;
			case 42 : fBulge = rDGR.GetF(); break;			
			case 10:
			{
				if ( pP && ( nPointIndex < nPointCount ) )
					pP[ nPointIndex ].fx = rDGR.GetF();
			}
			break;
			case 20:
			{
				if ( pP && ( nPointIndex < nPointCount ) )
					pP[ nPointIndex++ ].fy = rDGR.GetF();
			}
			break;

			default : bExecutingGroupCode = sal_False; break;
		}
	}
	else
	{
		if ( rDGR.GetG() == 93 )
			nEdgeCount = rDGR.GetI();
		else if ( rDGR.GetG() == 72 )
		{
			sal_Int32 nEdgeType = rDGR.GetI();
			switch( nEdgeType )
			{
				case 1 : aEdges.push_back( new DXFEdgeTypeLine() ); break;
				case 2 : aEdges.push_back( new DXFEdgeTypeCircularArc() ); break;
				case 3 : aEdges.push_back( new DXFEdgeTypeEllipticalArc() ); break;
				case 4 : aEdges.push_back( new DXFEdgeTypeSpline() ); break;
			}
		}
		else if ( aEdges.size() )
			aEdges[ aEdges.size() - 1 ]->EvaluateGroup( rDGR );
		else
			bExecutingGroupCode = sal_False;
	}
	return bExecutingGroupCode;
}

DXFHatchEntity::DXFHatchEntity() :	
	DXFBasicEntity( DXF_HATCH ),
	bIsInBoundaryPathContext( sal_False ),
	nCurrentBoundaryPathIndex( -1 ),
	nFlags( 0 ),
	nAssociativityFlag( 0 ),
	nBoundaryPathCount( 0 ),
	nHatchStyle( 0 ),
	nHatchPatternType( 0 ),
	fHatchPatternAngle( 0.0 ),
	fHatchPatternScale( 1.0 ),
	nHatchDoubleFlag( 0 ),
	nHatchPatternDefinitionLines( 0 ),
	fPixelSize( 1.0 ),
	nNumberOfSeedPoints( 0 ),
	pBoundaryPathData( NULL )
{
}

void DXFHatchEntity::EvaluateGroup( DXFGroupReader & rDGR )
{
	switch ( rDGR.GetG() )
	{
//		case 10 : aElevationPoint.fx = rDGR.GetF(); break;
//		case 20 : aElevationPoint.fy = rDGR.GetF(); break;
//		case 30 : aElevationPoint.fz = rDGR.GetF(); break;
		case 70 : nFlags = rDGR.GetI(); break;
		case 71 : nAssociativityFlag = rDGR.GetI(); break;
		case 91 :
		{
			bIsInBoundaryPathContext = sal_True;
			nBoundaryPathCount = rDGR.GetI();
			if ( nBoundaryPathCount )
				pBoundaryPathData = new DXFBoundaryPathData[ nBoundaryPathCount ];
		}
		break;
		case 75 :
		{
			nHatchStyle = rDGR.GetI();
			bIsInBoundaryPathContext = sal_False;
		}
		break;
		case 76 : nHatchPatternType = rDGR.GetI(); break;
		case 52 : fHatchPatternAngle = rDGR.GetF(); break;
		case 41 : fHatchPatternScale = rDGR.GetF(); break;
		case 77 : nHatchDoubleFlag = rDGR.GetI(); break;
		case 78 : nHatchPatternDefinitionLines = rDGR.GetI(); break;
		case 47 : fPixelSize = rDGR.GetF(); break;
		case 98 : nNumberOfSeedPoints = rDGR.GetI(); break;

		//!! passthrough !!
		case 92 : nCurrentBoundaryPathIndex++;
		default:
		{
			sal_Bool bExecutingGroupCode = sal_False;
			if ( bIsInBoundaryPathContext )
			{
				if ( ( nCurrentBoundaryPathIndex >= 0 ) &&
					( nCurrentBoundaryPathIndex < nBoundaryPathCount ) )
					bExecutingGroupCode = pBoundaryPathData[ nCurrentBoundaryPathIndex ].EvaluateGroup( rDGR );
			}
			if ( bExecutingGroupCode == sal_False )	
				DXFBasicEntity::EvaluateGroup(rDGR);
		}
		break;
	}
}

DXFHatchEntity::~DXFHatchEntity()
{
	delete[] pBoundaryPathData;
}

//--------------------------DXFVertexEntity-------------------------------------

DXFVertexEntity::DXFVertexEntity() : DXFBasicEntity(DXF_VERTEX)
{
	fSWidth=-1.0;
	fEWidth=-1.0;
	fBulge=0.0;
	nFlags=0;
	fCFTDir=0.0;

}

void DXFVertexEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 40: fSWidth=rDGR.GetF(); break;
		case 41: fEWidth=rDGR.GetF(); break;
		case 42: fBulge=rDGR.GetF(); break;
		case 70: nFlags=rDGR.GetI(); break;
		case 50: fCFTDir=rDGR.GetF(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//--------------------------DXFSeqEndEntity-------------------------------------

DXFSeqEndEntity::DXFSeqEndEntity() : DXFBasicEntity(DXF_SEQEND)
{
}

//--------------------------DXF3DFace-------------------------------------------

DXF3DFaceEntity::DXF3DFaceEntity() : DXFBasicEntity(DXF_3DFACE)
{
	nIEFlags=0;
}

void DXF3DFaceEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case 10: aP0.fx=rDGR.GetF(); break;
		case 20: aP0.fy=rDGR.GetF(); break;
		case 30: aP0.fz=rDGR.GetF(); break;
		case 11: aP1.fx=rDGR.GetF(); break;
		case 21: aP1.fy=rDGR.GetF(); break;
		case 31: aP1.fz=rDGR.GetF(); break;
		case 12: aP2.fx=rDGR.GetF(); break;
		case 22: aP2.fy=rDGR.GetF(); break;
		case 32: aP2.fz=rDGR.GetF(); break;
		case 13: aP3.fx=rDGR.GetF(); break;
		case 23: aP3.fy=rDGR.GetF(); break;
		case 33: aP3.fz=rDGR.GetF(); break;
		case 70: nIEFlags=rDGR.GetI(); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}


//--------------------------DXFDimensionEntity----------------------------------

DXFDimensionEntity::DXFDimensionEntity() : DXFBasicEntity(DXF_DIMENSION)
{
	sPseudoBlock[0]=0;
}

void DXFDimensionEntity::EvaluateGroup(DXFGroupReader & rDGR)
{
	switch (rDGR.GetG()) {
		case  2: strncpy( sPseudoBlock, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		default: DXFBasicEntity::EvaluateGroup(rDGR);
	}
}

//---------------------------- DXFEntites --------------------------------------

void DXFEntities::Read(DXFGroupReader & rDGR)
{
	DXFBasicEntity * pE, * * ppSucc;

	ppSucc=&pFirst;
	while (*ppSucc!=NULL) ppSucc=&((*ppSucc)->pSucc);

	while (rDGR.GetG()!=0) rDGR.Read();

	while (strcmp(rDGR.GetS(),"ENDBLK")!=0 &&
		   strcmp(rDGR.GetS(),"ENDSEC")!=0 &&
		   strcmp(rDGR.GetS(),"EOF")!=0 )
	{

		if      (strcmp(rDGR.GetS(),"LINE"		)==0) pE=new DXFLineEntity;
		else if (strcmp(rDGR.GetS(),"POINT"		)==0) pE=new DXFPointEntity;
		else if (strcmp(rDGR.GetS(),"CIRCLE"	)==0) pE=new DXFCircleEntity;
		else if (strcmp(rDGR.GetS(),"ARC"		)==0) pE=new DXFArcEntity;
		else if (strcmp(rDGR.GetS(),"TRACE"		)==0) pE=new DXFTraceEntity;
		else if (strcmp(rDGR.GetS(),"SOLID"		)==0) pE=new DXFSolidEntity;
		else if (strcmp(rDGR.GetS(),"TEXT"		)==0) pE=new DXFTextEntity;
		else if (strcmp(rDGR.GetS(),"SHAPE"		)==0) pE=new DXFShapeEntity;
		else if (strcmp(rDGR.GetS(),"INSERT"	)==0) pE=new DXFInsertEntity;
		else if (strcmp(rDGR.GetS(),"ATTDEF"	)==0) pE=new DXFAttDefEntity;
		else if (strcmp(rDGR.GetS(),"ATTRIB"	)==0) pE=new DXFAttribEntity;
		else if (strcmp(rDGR.GetS(),"POLYLINE"	)==0) pE=new DXFPolyLineEntity;
		else if (strcmp(rDGR.GetS(),"LWPOLYLINE")==0) pE=new DXFLWPolyLineEntity;
		else if (strcmp(rDGR.GetS(),"VERTEX"	)==0) pE=new DXFVertexEntity;
		else if (strcmp(rDGR.GetS(),"SEQEND"	)==0) pE=new DXFSeqEndEntity;
		else if (strcmp(rDGR.GetS(),"3DFACE"	)==0) pE=new DXF3DFaceEntity;
		else if (strcmp(rDGR.GetS(),"DIMENSION"	)==0) pE=new DXFDimensionEntity;
		else if (strcmp(rDGR.GetS(),"HATCH"		)==0) pE=new DXFHatchEntity;
		else
		{
			do {
				rDGR.Read();
			} while (rDGR.GetG()!=0);
			continue;
		}
		*ppSucc=pE;
		ppSucc=&(pE->pSucc);
		pE->Read(rDGR);
	}
}

void DXFEntities::Clear()
{
	DXFBasicEntity * ptmp;

	while (pFirst!=NULL) {
		ptmp=pFirst;
		pFirst=ptmp->pSucc;
		delete ptmp;
	}
}