xref: /AOO41X/main/svx/source/svdraw/svdoedge.cxx (revision a5258243accf51c522d45cf65e4b16cb17a336f7)

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 *
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 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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 * <http://www.openoffice.org/license.html>
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"

#include <svx/svdoedge.hxx>
#include <svx/xpool.hxx>
#include <svx/xpoly.hxx>
#include <svx/svdattrx.hxx>
#include <svx/svdpool.hxx>
#include <svx/svdmodel.hxx>
#include <svx/svdpage.hxx>
#include <svx/svdpagv.hxx>
#include <svx/svdview.hxx>
#include <svx/svddrag.hxx>
#include <svx/svddrgv.hxx>
#include "svddrgm1.hxx"
#include <svx/svdhdl.hxx>
#include <svx/svdtrans.hxx>
#include <svx/svdetc.hxx>
#include "svx/svdglob.hxx"   // StringCache
#include "svx/svdstr.hrc"    // Objektname
#include <svl/style.hxx>
#include <svl/smplhint.hxx>
#include <editeng/eeitem.hxx>
#include "svdoimp.hxx"
#include <svx/sdr/properties/connectorproperties.hxx>
#include <svx/sdr/contact/viewcontactofsdredgeobj.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <svx/sdrhittesthelper.hxx>

////////////////////////////////////////////////////////////////////////////////////////////////////

SdrObjConnection::~SdrObjConnection()
{
}

void SdrObjConnection::ResetVars()
{
	pObj=NULL;
	nConId=0;
	nXDist=0;
	nYDist=0;
	bBestConn=sal_True;
	bBestVertex=sal_True;
	bXDistOvr=sal_False;
	bYDistOvr=sal_False;
	bAutoVertex=sal_False;
	bAutoCorner=sal_False;
}

FASTBOOL SdrObjConnection::TakeGluePoint(SdrGluePoint& rGP, FASTBOOL bSetAbsPos) const
{
	FASTBOOL bRet=sal_False;
	if (pObj!=NULL) { // Ein Obj muss schon angedockt sein!
		if (bAutoVertex) {
			rGP=pObj->GetVertexGluePoint(nConId);
			bRet=sal_True;
		} else if (bAutoCorner) {
			rGP=pObj->GetCornerGluePoint(nConId);
			bRet=sal_True;
		} else {
			const SdrGluePointList* pGPL=pObj->GetGluePointList();
			if (pGPL!=NULL) {
				sal_uInt16 nNum=pGPL->FindGluePoint(nConId);
				if (nNum!=SDRGLUEPOINT_NOTFOUND) {
					rGP=(*pGPL)[nNum];
					bRet=sal_True;
				}
			}
		}
	}
	if (bRet && bSetAbsPos) {
		Point aPt(rGP.GetAbsolutePos(*pObj));
		aPt+=aObjOfs;
		rGP.SetPos(aPt);
	}
	return bRet;
}

Point& SdrEdgeInfoRec::ImpGetLineVersatzPoint(SdrEdgeLineCode eLineCode)
{
	switch (eLineCode) {
		case OBJ1LINE2 : return aObj1Line2;
		case OBJ1LINE3 : return aObj1Line3;
		case OBJ2LINE2 : return aObj2Line2;
		case OBJ2LINE3 : return aObj2Line3;
		case MIDDLELINE: return aMiddleLine;
	} // switch
	return aMiddleLine;
}

sal_uInt16 SdrEdgeInfoRec::ImpGetPolyIdx(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
{
	switch (eLineCode) {
		case OBJ1LINE2 : return 1;
		case OBJ1LINE3 : return 2;
		case OBJ2LINE2 : return rXP.GetPointCount()-3;
		case OBJ2LINE3 : return rXP.GetPointCount()-4;
		case MIDDLELINE: return nMiddleLine;
	} // switch
	return 0;
}

FASTBOOL SdrEdgeInfoRec::ImpIsHorzLine(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
{
	sal_uInt16 nIdx=ImpGetPolyIdx(eLineCode,rXP);
	FASTBOOL bHorz=nAngle1==0 || nAngle1==18000;
	if (eLineCode==OBJ2LINE2 || eLineCode==OBJ2LINE3) {
		nIdx=rXP.GetPointCount()-nIdx; // #36314#
		bHorz=nAngle2==0 || nAngle2==18000; // #52000#
	}
	if ((nIdx & 1)==1) bHorz=!bHorz;
	return bHorz;
}

void SdrEdgeInfoRec::ImpSetLineVersatz(SdrEdgeLineCode eLineCode, const XPolygon& rXP, long nVal)
{
	Point& rPt=ImpGetLineVersatzPoint(eLineCode);
	if (ImpIsHorzLine(eLineCode,rXP)) rPt.Y()=nVal;
	else rPt.X()=nVal;
}

long SdrEdgeInfoRec::ImpGetLineVersatz(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
{
	const Point& rPt=ImpGetLineVersatzPoint(eLineCode);
	if (ImpIsHorzLine(eLineCode,rXP)) return rPt.Y();
	else return rPt.X();
}

//////////////////////////////////////////////////////////////////////////////
// BaseProperties section

sdr::properties::BaseProperties* SdrEdgeObj::CreateObjectSpecificProperties()
{
	return new sdr::properties::ConnectorProperties(*this);
}

//////////////////////////////////////////////////////////////////////////////
// DrawContact section

sdr::contact::ViewContact* SdrEdgeObj::CreateObjectSpecificViewContact()
{
	return new sdr::contact::ViewContactOfSdrEdgeObj(*this);
}

//////////////////////////////////////////////////////////////////////////////

TYPEINIT1(SdrEdgeObj,SdrTextObj);

SdrEdgeObj::SdrEdgeObj()
:	SdrTextObj(),
	nNotifyingCount(0),
	bEdgeTrackDirty(sal_False),
	bEdgeTrackUserDefined(sal_False),
	// #109007# Default is to allow default connects
	mbSuppressDefaultConnect(sal_False),
	// #110649#
	mbBoundRectCalculationRunning(sal_False)
{
	bClosedObj=sal_False;
	bIsEdge=sal_True;
	pEdgeTrack=new XPolygon;

}

SdrEdgeObj::~SdrEdgeObj()
{
	DisconnectFromNode(sal_True);
	DisconnectFromNode(sal_False);
	delete pEdgeTrack;
}

void SdrEdgeObj::ImpSetAttrToEdgeInfo()
{
	const SfxItemSet& rSet = GetObjectItemSet();
	SdrEdgeKind eKind = ((SdrEdgeKindItem&)(rSet.Get(SDRATTR_EDGEKIND))).GetValue();
	sal_Int32 nVal1 = ((SdrEdgeLine1DeltaItem&)rSet.Get(SDRATTR_EDGELINE1DELTA)).GetValue();
	sal_Int32 nVal2 = ((SdrEdgeLine2DeltaItem&)rSet.Get(SDRATTR_EDGELINE2DELTA)).GetValue();
	sal_Int32 nVal3 = ((SdrEdgeLine3DeltaItem&)rSet.Get(SDRATTR_EDGELINE3DELTA)).GetValue();

	if(eKind == SDREDGE_ORTHOLINES || eKind == SDREDGE_BEZIER)
	{
		sal_Int32 nVals[3] = { nVal1, nVal2, nVal3 };
		sal_uInt16 n = 0;

		if(aEdgeInfo.nObj1Lines >= 2 && n < 3)
		{
			aEdgeInfo.ImpSetLineVersatz(OBJ1LINE2, *pEdgeTrack, nVals[n]);
			n++;
		}

		if(aEdgeInfo.nObj1Lines >= 3 && n < 3)
		{
			aEdgeInfo.ImpSetLineVersatz(OBJ1LINE3, *pEdgeTrack, nVals[n]);
			n++;
		}

		if(aEdgeInfo.nMiddleLine != 0xFFFF && n < 3)
		{
			aEdgeInfo.ImpSetLineVersatz(MIDDLELINE, *pEdgeTrack, nVals[n]);
			n++;
		}

		if(aEdgeInfo.nObj2Lines >= 3 && n < 3)
		{
			aEdgeInfo.ImpSetLineVersatz(OBJ2LINE3, *pEdgeTrack, nVals[n]);
			n++;
		}

		if(aEdgeInfo.nObj2Lines >= 2 && n < 3)
		{
			aEdgeInfo.ImpSetLineVersatz(OBJ2LINE2, *pEdgeTrack, nVals[n]);
			n++;
		}
	}
	else if(eKind == SDREDGE_THREELINES)
	{
		sal_Bool bHor1 = aEdgeInfo.nAngle1 == 0 || aEdgeInfo.nAngle1 == 18000;
		sal_Bool bHor2 = aEdgeInfo.nAngle2 == 0 || aEdgeInfo.nAngle2 == 18000;

		if(bHor1)
		{
			aEdgeInfo.aObj1Line2.X() = nVal1;
		}
		else
		{
			aEdgeInfo.aObj1Line2.Y() = nVal1;
		}

		if(bHor2)
		{
			aEdgeInfo.aObj2Line2.X() = nVal2;
		}
		else
		{
			aEdgeInfo.aObj2Line2.Y() = nVal2;
		}
	}

	// #84649#
	ImpDirtyEdgeTrack();
}

void SdrEdgeObj::ImpSetEdgeInfoToAttr()
{
	const SfxItemSet& rSet = GetObjectItemSet();
	SdrEdgeKind eKind = ((SdrEdgeKindItem&)(rSet.Get(SDRATTR_EDGEKIND))).GetValue();
	sal_Int32 nValAnz = ((SdrEdgeLineDeltaAnzItem&)rSet.Get(SDRATTR_EDGELINEDELTAANZ)).GetValue();
	sal_Int32 nVal1 = ((SdrEdgeLine1DeltaItem&)rSet.Get(SDRATTR_EDGELINE1DELTA)).GetValue();
	sal_Int32 nVal2 = ((SdrEdgeLine2DeltaItem&)rSet.Get(SDRATTR_EDGELINE2DELTA)).GetValue();
	sal_Int32 nVal3 = ((SdrEdgeLine3DeltaItem&)rSet.Get(SDRATTR_EDGELINE3DELTA)).GetValue();
	sal_Int32 nVals[3] = { nVal1, nVal2, nVal3 };
	sal_uInt16 n = 0;

	if(eKind == SDREDGE_ORTHOLINES || eKind == SDREDGE_BEZIER)
	{
		if(aEdgeInfo.nObj1Lines >= 2 && n < 3)
		{
			nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ1LINE2, *pEdgeTrack);
			n++;
		}

		if(aEdgeInfo.nObj1Lines >= 3 && n < 3)
		{
			nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ1LINE3, *pEdgeTrack);
			n++;
		}

		if(aEdgeInfo.nMiddleLine != 0xFFFF && n < 3)
		{
			nVals[n] = aEdgeInfo.ImpGetLineVersatz(MIDDLELINE, *pEdgeTrack);
			n++;
		}

		if(aEdgeInfo.nObj2Lines >= 3 && n < 3)
		{
			nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ2LINE3, *pEdgeTrack);
			n++;
		}

		if(aEdgeInfo.nObj2Lines >= 2 && n < 3)
		{
			nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ2LINE2, *pEdgeTrack);
			n++;
		}
	}
	else if(eKind == SDREDGE_THREELINES)
	{
		sal_Bool bHor1 = aEdgeInfo.nAngle1 == 0 || aEdgeInfo.nAngle1 == 18000;
		sal_Bool bHor2 = aEdgeInfo.nAngle2 == 0 || aEdgeInfo.nAngle2 == 18000;

		n = 2;
		nVals[0] = bHor1 ? aEdgeInfo.aObj1Line2.X() : aEdgeInfo.aObj1Line2.Y();
		nVals[1] = bHor2 ? aEdgeInfo.aObj2Line2.X() : aEdgeInfo.aObj2Line2.Y();
	}

	if(n != nValAnz || nVals[0] != nVal1 || nVals[1] != nVal2 || nVals[2] != nVal3)
	{
		// #75371# Here no more notifying is necessary, just local changes are OK.
		if(n != nValAnz)
		{
			GetProperties().SetObjectItemDirect(SdrEdgeLineDeltaAnzItem(n));
		}

		if(nVals[0] != nVal1)
		{
			GetProperties().SetObjectItemDirect(SdrEdgeLine1DeltaItem(nVals[0]));
		}

		if(nVals[1] != nVal2)
		{
			GetProperties().SetObjectItemDirect(SdrEdgeLine2DeltaItem(nVals[1]));
		}

		if(nVals[2] != nVal3)
		{
			GetProperties().SetObjectItemDirect(SdrEdgeLine3DeltaItem(nVals[2]));
		}

		if(n < 3)
		{
			GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE3DELTA);
		}

		if(n < 2)
		{
			GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE2DELTA);
		}

		if(n < 1)
		{
			GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE1DELTA);
		}
	}
}

void SdrEdgeObj::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const
{
	rInfo.bRotateFreeAllowed=sal_False;
	rInfo.bRotate90Allowed  =sal_False;
	rInfo.bMirrorFreeAllowed=sal_False;
	rInfo.bMirror45Allowed  =sal_False;
	rInfo.bMirror90Allowed  =sal_False;
	rInfo.bTransparenceAllowed = sal_False;
	rInfo.bGradientAllowed = sal_False;
	rInfo.bShearAllowed     =sal_False;
	rInfo.bEdgeRadiusAllowed=sal_False;
	FASTBOOL bCanConv=!HasText() || ImpCanConvTextToCurve();
	rInfo.bCanConvToPath=bCanConv;
	rInfo.bCanConvToPoly=bCanConv;
	rInfo.bCanConvToContour = (rInfo.bCanConvToPoly || LineGeometryUsageIsNecessary());
}

sal_uInt16 SdrEdgeObj::GetObjIdentifier() const
{
	return sal_uInt16(OBJ_EDGE);
}

const Rectangle& SdrEdgeObj::GetCurrentBoundRect() const
{
	if(bEdgeTrackDirty)
	{
		((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
	}

	return SdrTextObj::GetCurrentBoundRect();
}

const Rectangle& SdrEdgeObj::GetSnapRect() const
{
	if(bEdgeTrackDirty)
	{
		((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
	}

	return SdrTextObj::GetSnapRect();
}

void SdrEdgeObj::RecalcSnapRect()
{
	maSnapRect=pEdgeTrack->GetBoundRect();
}

void SdrEdgeObj::TakeUnrotatedSnapRect(Rectangle& rRect) const
{
	rRect=GetSnapRect();
}

FASTBOOL SdrEdgeObj::IsNode() const
{
	return sal_True;
}

SdrGluePoint SdrEdgeObj::GetVertexGluePoint(sal_uInt16 nNum) const
{
	Point aPt;
	sal_uInt16 nPntAnz=pEdgeTrack->GetPointCount();
	if (nPntAnz>0)
	{
		Point aOfs = GetSnapRect().Center();
		if (nNum==2 && GetConnectedNode(sal_True)==NULL) aPt=(*pEdgeTrack)[0];
		else if (nNum==3 && GetConnectedNode(sal_False)==NULL) aPt=(*pEdgeTrack)[nPntAnz-1];
		else {
			if ((nPntAnz & 1) ==1) {
				aPt=(*pEdgeTrack)[nPntAnz/2];
			} else {
				Point aPt1((*pEdgeTrack)[nPntAnz/2-1]);
				Point aPt2((*pEdgeTrack)[nPntAnz/2]);
				aPt1+=aPt2;
				aPt1.X()/=2;
				aPt1.Y()/=2;
				aPt=aPt1;
			}
		}
		aPt-=aOfs;
	}
	SdrGluePoint aGP(aPt);
	aGP.SetPercent(sal_False);
	return aGP;
}

SdrGluePoint SdrEdgeObj::GetCornerGluePoint(sal_uInt16 nNum) const
{
	return GetVertexGluePoint(nNum);
}

const SdrGluePointList* SdrEdgeObj::GetGluePointList() const
{
	return NULL; // Keine benutzerdefinierten Klebepunkte fuer Verbinder #31671#
}

SdrGluePointList* SdrEdgeObj::ForceGluePointList()
{
	return NULL; // Keine benutzerdefinierten Klebepunkte fuer Verbinder #31671#
}

FASTBOOL SdrEdgeObj::IsEdge() const
{
	return sal_True;
}

void SdrEdgeObj::ConnectToNode(FASTBOOL bTail1, SdrObject* pObj)
{
	SdrObjConnection& rCon=GetConnection(bTail1);
	DisconnectFromNode(bTail1);
	if (pObj!=NULL) {
		pObj->AddListener(*this);
		rCon.pObj=pObj;
		ImpDirtyEdgeTrack();
	}
}

void SdrEdgeObj::DisconnectFromNode(FASTBOOL bTail1)
{
	SdrObjConnection& rCon=GetConnection(bTail1);
	if (rCon.pObj!=NULL) {
		rCon.pObj->RemoveListener(*this);
		rCon.pObj=NULL;
	}
}

SdrObject* SdrEdgeObj::GetConnectedNode(FASTBOOL bTail1) const
{
	SdrObject* pObj=GetConnection(bTail1).pObj;
	if (pObj!=NULL && (pObj->GetPage()!=pPage || !pObj->IsInserted())) pObj=NULL;
	return pObj;
}

FASTBOOL SdrEdgeObj::CheckNodeConnection(FASTBOOL bTail1) const
{
	FASTBOOL bRet=sal_False;
	const SdrObjConnection& rCon=GetConnection(bTail1);
	sal_uInt16 nPtAnz=pEdgeTrack->GetPointCount();
	if (rCon.pObj!=NULL && rCon.pObj->GetPage()==pPage && nPtAnz!=0) {
		const SdrGluePointList* pGPL=rCon.pObj->GetGluePointList();
		sal_uInt16 nConAnz=pGPL==NULL ? 0 : pGPL->GetCount();
		sal_uInt16 nGesAnz=nConAnz+8;
		Point aTail(bTail1 ? (*pEdgeTrack)[0] : (*pEdgeTrack)[sal_uInt16(nPtAnz-1)]);
		for (sal_uInt16 i=0; i<nGesAnz && !bRet; i++) {
			if (i<nConAnz) { // UserDefined
				bRet=aTail==(*pGPL)[i].GetAbsolutePos(*rCon.pObj);
			} else if (i<nConAnz+4) { // Vertex
				SdrGluePoint aPt(rCon.pObj->GetVertexGluePoint(i-nConAnz));
				bRet=aTail==aPt.GetAbsolutePos(*rCon.pObj);
			} else {                  // Corner
				SdrGluePoint aPt(rCon.pObj->GetCornerGluePoint(i-nConAnz-4));
				bRet=aTail==aPt.GetAbsolutePos(*rCon.pObj);
			}
		}
	}
	return bRet;
}

void SdrEdgeObj::ImpSetTailPoint(FASTBOOL bTail1, const Point& rPt)
{
	sal_uInt16 nPtAnz=pEdgeTrack->GetPointCount();
	if (nPtAnz==0) {
		(*pEdgeTrack)[0]=rPt;
		(*pEdgeTrack)[1]=rPt;
	} else if (nPtAnz==1) {
		if (!bTail1) (*pEdgeTrack)[1]=rPt;
		else { (*pEdgeTrack)[1]=(*pEdgeTrack)[0]; (*pEdgeTrack)[0]=rPt; }
	} else {
		if (!bTail1) (*pEdgeTrack)[sal_uInt16(nPtAnz-1)]=rPt;
		else (*pEdgeTrack)[0]=rPt;
	}
	ImpRecalcEdgeTrack();
	SetRectsDirty();
}

void SdrEdgeObj::ImpDirtyEdgeTrack()
{
	if ( !bEdgeTrackUserDefined || !(GetModel() && GetModel()->isLocked()) )
		bEdgeTrackDirty = sal_True;
}

void SdrEdgeObj::ImpUndirtyEdgeTrack()
{
	if (bEdgeTrackDirty && (GetModel() && GetModel()->isLocked()) ) {
		ImpRecalcEdgeTrack();
	}
}

void SdrEdgeObj::ImpRecalcEdgeTrack()
{
	if ( bEdgeTrackUserDefined && (GetModel() && GetModel()->isLocked()) )
		return;

	// #110649#
	if(IsBoundRectCalculationRunning())
	{
		// this object is involved into another ImpRecalcEdgeTrack() call
		// from another SdrEdgeObj. Do not calculate again to avoid loop.
		// Also, do not change bEdgeTrackDirty so that it gets recalculated
		// later at the first non-looping call.
	}
	// #i43068#
	else if(GetModel() && GetModel()->isLocked())
	{
		// avoid re-layout during imports/API call sequences
		// #i45294# but calc EdgeTrack and secure properties there
		((SdrEdgeObj*)this)->mbBoundRectCalculationRunning = sal_True;
		*pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
		ImpSetAttrToEdgeInfo();
		bEdgeTrackDirty=sal_False;
		((SdrEdgeObj*)this)->mbBoundRectCalculationRunning = sal_False;
	}
	else
	{
		// To not run in a depth loop, use a coloring algorythm on
		// SdrEdgeObj BoundRect calculations
		((SdrEdgeObj*)this)->mbBoundRectCalculationRunning = sal_True;

		Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetLastBoundRect();
		SetRectsDirty();
		// #110094#-14 if (!bEdgeTrackDirty) SendRepaintBroadcast();
		*pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
		ImpSetEdgeInfoToAttr(); // Die Werte aus aEdgeInfo in den Pool kopieren
		bEdgeTrackDirty=sal_False;

		// Only redraw here, no object change
		ActionChanged();
		// BroadcastObjectChange();

		SendUserCall(SDRUSERCALL_RESIZE,aBoundRect0);

		// #110649#
		((SdrEdgeObj*)this)->mbBoundRectCalculationRunning = sal_False;
	}
}

sal_uInt16 SdrEdgeObj::ImpCalcEscAngle(SdrObject* pObj, const Point& rPt) const
{
	if (pObj==NULL) return SDRESC_ALL;
	Rectangle aR(pObj->GetSnapRect());
	long dxl=rPt.X()-aR.Left();
	long dyo=rPt.Y()-aR.Top();
	long dxr=aR.Right()-rPt.X();
	long dyu=aR.Bottom()-rPt.Y();
	FASTBOOL bxMitt=Abs(dxl-dxr)<2;
	FASTBOOL byMitt=Abs(dyo-dyu)<2;
	long dx=Min(dxl,dxr);
	long dy=Min(dyo,dyu);
	FASTBOOL bDiag=Abs(dx-dy)<2;
	if (bxMitt && byMitt) return SDRESC_ALL; // In der Mitte
	if (bDiag) {  // diagonal
		sal_uInt16 nRet=0;
		if (byMitt) nRet|=SDRESC_VERT;
		if (bxMitt) nRet|=SDRESC_HORZ;
		if (dxl<dxr) { // Links
			if (dyo<dyu) nRet|=SDRESC_LEFT | SDRESC_TOP;
			else nRet|=SDRESC_LEFT | SDRESC_BOTTOM;
		} else {       // Rechts
			if (dyo<dyu) nRet|=SDRESC_RIGHT | SDRESC_TOP;
			else nRet|=SDRESC_RIGHT | SDRESC_BOTTOM;
		}
		return nRet;
	}
	if (dx<dy) { // waagerecht
		if (bxMitt) return SDRESC_HORZ;
		if (dxl<dxr) return SDRESC_LEFT;
		else return SDRESC_RIGHT;
	} else {     // senkrecht
		if (byMitt) return SDRESC_VERT;
		if (dyo<dyu) return SDRESC_TOP;
		else return SDRESC_BOTTOM;
	}
}

FASTBOOL SdrEdgeObj::ImpStripPolyPoints(XPolygon& /*rXP*/) const
{
	// fehlende Implementation !!!
	return sal_False;
}

XPolygon SdrEdgeObj::ImpCalcObjToCenter(const Point& rStPt, long nEscAngle, const Rectangle& rRect, const Point& rMeeting) const
{
	XPolygon aXP;
	aXP.Insert(XPOLY_APPEND,rStPt,XPOLY_NORMAL);
	FASTBOOL bRts=nEscAngle==0;
	FASTBOOL bObn=nEscAngle==9000;
	FASTBOOL bLks=nEscAngle==18000;
	FASTBOOL bUnt=nEscAngle==27000;

	Point aP1(rStPt); // erstmal den Pflichtabstand
	if (bLks) aP1.X()=rRect.Left();
	if (bRts) aP1.X()=rRect.Right();
	if (bObn) aP1.Y()=rRect.Top();
	if (bUnt) aP1.Y()=rRect.Bottom();

	FASTBOOL bFinish=sal_False;
	if (!bFinish) {
		Point aP2(aP1); // Und nun den Pflichtabstand ggf. bis auf Meetinghoehe erweitern
		if (bLks && rMeeting.X()<=aP2.X()) aP2.X()=rMeeting.X();
		if (bRts && rMeeting.X()>=aP2.X()) aP2.X()=rMeeting.X();
		if (bObn && rMeeting.Y()<=aP2.Y()) aP2.Y()=rMeeting.Y();
		if (bUnt && rMeeting.Y()>=aP2.Y()) aP2.Y()=rMeeting.Y();
		aXP.Insert(XPOLY_APPEND,aP2,XPOLY_NORMAL);

		Point aP3(aP2);
		if ((bLks && rMeeting.X()>aP2.X()) || (bRts && rMeeting.X()<aP2.X())) { // Aussenrum
			if (rMeeting.Y()<aP2.Y()) {
				aP3.Y()=rRect.Top();
				if (rMeeting.Y()<aP3.Y()) aP3.Y()=rMeeting.Y();
			} else {
				aP3.Y()=rRect.Bottom();
				if (rMeeting.Y()>aP3.Y()) aP3.Y()=rMeeting.Y();
			}
			aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
			if (aP3.Y()!=rMeeting.Y()) {
				aP3.X()=rMeeting.X();
				aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
			}
		}
		if ((bObn && rMeeting.Y()>aP2.Y()) || (bUnt && rMeeting.Y()<aP2.Y())) { // Aussenrum
			if (rMeeting.X()<aP2.X()) {
				aP3.X()=rRect.Left();
				if (rMeeting.X()<aP3.X()) aP3.X()=rMeeting.X();
			} else {
				aP3.X()=rRect.Right();
				if (rMeeting.X()>aP3.X()) aP3.X()=rMeeting.X();
			}
			aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
			if (aP3.X()!=rMeeting.X()) {
				aP3.Y()=rMeeting.Y();
				aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
			}
		}
	}
#ifdef DBG_UTIL
	if (aXP.GetPointCount()>4) {
		DBG_ERROR("SdrEdgeObj::ImpCalcObjToCenter(): Polygon hat mehr als 4 Punkte!");
	}
#endif
	return aXP;
}

XPolygon SdrEdgeObj::ImpCalcEdgeTrack(const XPolygon& rTrack0, SdrObjConnection& rCon1, SdrObjConnection& rCon2, SdrEdgeInfoRec* pInfo) const
{
	Point aPt1,aPt2;
	SdrGluePoint aGP1,aGP2;
	sal_uInt16 nEsc1=SDRESC_ALL,nEsc2=SDRESC_ALL;
	Rectangle aBoundRect1;
	Rectangle aBoundRect2;
	Rectangle aBewareRect1;
	Rectangle aBewareRect2;
	// Erstmal die alten Endpunkte wiederholen
	if (rTrack0.GetPointCount()!=0) {
		aPt1=rTrack0[0];
		sal_uInt16 nSiz=rTrack0.GetPointCount();
		nSiz--;
		aPt2=rTrack0[nSiz];
	} else {
		if (!aOutRect.IsEmpty()) {
			aPt1=aOutRect.TopLeft();
			aPt2=aOutRect.BottomRight();
		}
	}
	FASTBOOL bCon1=rCon1.pObj!=NULL && rCon1.pObj->GetPage()==pPage && rCon1.pObj->IsInserted();
	FASTBOOL bCon2=rCon2.pObj!=NULL && rCon2.pObj->GetPage()==pPage && rCon2.pObj->IsInserted();
	const SfxItemSet& rSet = GetObjectItemSet();

	if (bCon1) {
		if (rCon1.pObj==(SdrObject*)this)
		{
			// sicherheitshalber Abfragen #44515#
			aBoundRect1=aOutRect;
		}
		else
		{
			aBoundRect1 = rCon1.pObj->GetCurrentBoundRect();
		}
		aBoundRect1.Move(rCon1.aObjOfs.X(),rCon1.aObjOfs.Y());
		aBewareRect1=aBoundRect1;

		sal_Int32 nH = ((SdrEdgeNode1HorzDistItem&)rSet.Get(SDRATTR_EDGENODE1HORZDIST)).GetValue();
		sal_Int32 nV = ((SdrEdgeNode1VertDistItem&)rSet.Get(SDRATTR_EDGENODE1VERTDIST)).GetValue();

		aBewareRect1.Left()-=nH;
		aBewareRect1.Right()+=nH;
		aBewareRect1.Top()-=nV;
		aBewareRect1.Bottom()+=nV;
	} else {
		aBoundRect1=Rectangle(aPt1,aPt1);
		aBoundRect1.Move(rCon1.aObjOfs.X(),rCon1.aObjOfs.Y());
		aBewareRect1=aBoundRect1;
	}
	if (bCon2) {
		if (rCon2.pObj==(SdrObject*)this) { // sicherheitshalber Abfragen #44515#
			aBoundRect2=aOutRect;
		}
		else
		{
			aBoundRect2 = rCon2.pObj->GetCurrentBoundRect();
		}
		aBoundRect2.Move(rCon2.aObjOfs.X(),rCon2.aObjOfs.Y());
		aBewareRect2=aBoundRect2;

		sal_Int32 nH = ((SdrEdgeNode2HorzDistItem&)rSet.Get(SDRATTR_EDGENODE2HORZDIST)).GetValue();
		sal_Int32 nV = ((SdrEdgeNode2VertDistItem&)rSet.Get(SDRATTR_EDGENODE2VERTDIST)).GetValue();

		aBewareRect2.Left()-=nH;
		aBewareRect2.Right()+=nH;
		aBewareRect2.Top()-=nV;
		aBewareRect2.Bottom()+=nV;
	} else {
		aBoundRect2=Rectangle(aPt2,aPt2);
		aBoundRect2.Move(rCon2.aObjOfs.X(),rCon2.aObjOfs.Y());
		aBewareRect2=aBoundRect2;
	}
	XPolygon aBestXP;
	sal_uIntPtr nBestQual=0xFFFFFFFF;
	SdrEdgeInfoRec aBestInfo;
	FASTBOOL bAuto1=bCon1 && rCon1.bBestVertex;
	FASTBOOL bAuto2=bCon2 && rCon2.bBestVertex;
	if (bAuto1) rCon1.bAutoVertex=sal_True;
	if (bAuto2) rCon2.bAutoVertex=sal_True;
	sal_uInt16 nBestAuto1=0;
	sal_uInt16 nBestAuto2=0;
	sal_uInt16 nAnz1=bAuto1 ? 4 : 1;
	sal_uInt16 nAnz2=bAuto2 ? 4 : 1;
	for (sal_uInt16 nNum1=0; nNum1<nAnz1; nNum1++) {
		if (bAuto1) rCon1.nConId=nNum1;
		if (bCon1 && rCon1.TakeGluePoint(aGP1,sal_True)) {
			aPt1=aGP1.GetPos();
			nEsc1=aGP1.GetEscDir();
			if (nEsc1==SDRESC_SMART) nEsc1=ImpCalcEscAngle(rCon1.pObj,aPt1-rCon1.aObjOfs);
		}
		for (sal_uInt16 nNum2=0; nNum2<nAnz2; nNum2++) {
			if (bAuto2) rCon2.nConId=nNum2;
			if (bCon2 && rCon2.TakeGluePoint(aGP2,sal_True)) {
				aPt2=aGP2.GetPos();
				nEsc2=aGP2.GetEscDir();
				if (nEsc2==SDRESC_SMART) nEsc2=ImpCalcEscAngle(rCon2.pObj,aPt2-rCon2.aObjOfs);
			}
			for (long nA1=0; nA1<36000; nA1+=9000) {
				sal_uInt16 nE1=nA1==0 ? SDRESC_RIGHT : nA1==9000 ? SDRESC_TOP : nA1==18000 ? SDRESC_LEFT : nA1==27000 ? SDRESC_BOTTOM : 0;
				for (long nA2=0; nA2<36000; nA2+=9000) {
					sal_uInt16 nE2=nA2==0 ? SDRESC_RIGHT : nA2==9000 ? SDRESC_TOP : nA2==18000 ? SDRESC_LEFT : nA2==27000 ? SDRESC_BOTTOM : 0;
					if ((nEsc1&nE1)!=0 && (nEsc2&nE2)!=0) {
						sal_uIntPtr nQual=0;
						SdrEdgeInfoRec aInfo;
						if (pInfo!=NULL) aInfo=*pInfo;
						XPolygon aXP(ImpCalcEdgeTrack(aPt1,nA1,aBoundRect1,aBewareRect1,aPt2,nA2,aBoundRect2,aBewareRect2,&nQual,&aInfo));
						if (nQual<nBestQual) {
							aBestXP=aXP;
							nBestQual=nQual;
							aBestInfo=aInfo;
							nBestAuto1=nNum1;
							nBestAuto2=nNum2;
						}
					}
				}
			}
		}
	}
	if (bAuto1) rCon1.nConId=nBestAuto1;
	if (bAuto2) rCon2.nConId=nBestAuto2;
	if (pInfo!=NULL) *pInfo=aBestInfo;
	return aBestXP;
}

XPolygon SdrEdgeObj::ImpCalcEdgeTrack(const Point& rPt1, long nAngle1, const Rectangle& rBoundRect1, const Rectangle& rBewareRect1,
	const Point& rPt2, long nAngle2, const Rectangle& rBoundRect2, const Rectangle& rBewareRect2,
	sal_uIntPtr* pnQuality, SdrEdgeInfoRec* pInfo) const
{
	SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
	FASTBOOL bRts1=nAngle1==0;
	FASTBOOL bObn1=nAngle1==9000;
	FASTBOOL bLks1=nAngle1==18000;
	FASTBOOL bUnt1=nAngle1==27000;
	FASTBOOL bHor1=bLks1 || bRts1;
	FASTBOOL bVer1=bObn1 || bUnt1;
	FASTBOOL bRts2=nAngle2==0;
	FASTBOOL bObn2=nAngle2==9000;
	FASTBOOL bLks2=nAngle2==18000;
	FASTBOOL bUnt2=nAngle2==27000;
	FASTBOOL bHor2=bLks2 || bRts2;
	FASTBOOL bVer2=bObn2 || bUnt2;
	FASTBOOL bInfo=pInfo!=NULL;
	if (bInfo) {
		pInfo->cOrthoForm=0;
		pInfo->nAngle1=nAngle1;
		pInfo->nAngle2=nAngle2;
		pInfo->nObj1Lines=1;
		pInfo->nObj2Lines=1;
		pInfo->nMiddleLine=0xFFFF;
	}
	Point aPt1(rPt1);
	Point aPt2(rPt2);
	Rectangle aBoundRect1 (rBoundRect1 );
	Rectangle aBoundRect2 (rBoundRect2 );
	Rectangle aBewareRect1(rBewareRect1);
	Rectangle aBewareRect2(rBewareRect2);
	Point aMeeting((aPt1.X()+aPt2.X()+1)/2,(aPt1.Y()+aPt2.Y()+1)/2);
	FASTBOOL bMeetingXMid=sal_True;
	FASTBOOL bMeetingYMid=sal_True;
	if (eKind==SDREDGE_ONELINE) {
		XPolygon aXP(2);
		aXP[0]=rPt1;
		aXP[1]=rPt2;
		if (pnQuality!=NULL) {
			*pnQuality=Abs(rPt1.X()-rPt2.X())+Abs(rPt1.Y()-rPt2.Y());
		}
		return aXP;
	} else if (eKind==SDREDGE_THREELINES) {
		XPolygon aXP(4);
		aXP[0]=rPt1;
		aXP[1]=rPt1;
		aXP[2]=rPt2;
		aXP[3]=rPt2;
		if (bRts1) aXP[1].X()=aBewareRect1.Right();  //+=500;
		if (bObn1) aXP[1].Y()=aBewareRect1.Top();    //-=500;
		if (bLks1) aXP[1].X()=aBewareRect1.Left();   //-=500;
		if (bUnt1) aXP[1].Y()=aBewareRect1.Bottom(); //+=500;
		if (bRts2) aXP[2].X()=aBewareRect2.Right();  //+=500;
		if (bObn2) aXP[2].Y()=aBewareRect2.Top();    //-=500;
		if (bLks2) aXP[2].X()=aBewareRect2.Left();   //-=500;
		if (bUnt2) aXP[2].Y()=aBewareRect2.Bottom(); //+=500;
		if (pnQuality!=NULL) {
			long nQ=Abs(aXP[1].X()-aXP[0].X())+Abs(aXP[1].Y()-aXP[0].Y());
				nQ+=Abs(aXP[2].X()-aXP[1].X())+Abs(aXP[2].Y()-aXP[1].Y());
				nQ+=Abs(aXP[3].X()-aXP[2].X())+Abs(aXP[3].Y()-aXP[2].Y());
			*pnQuality=nQ;
		}
		if (bInfo) {
			pInfo->nObj1Lines=2;
			pInfo->nObj2Lines=2;
			if (bHor1) {
				aXP[1].X()+=pInfo->aObj1Line2.X();
			} else {
				aXP[1].Y()+=pInfo->aObj1Line2.Y();
			}
			if (bHor2) {
				aXP[2].X()+=pInfo->aObj2Line2.X();
			} else {
				aXP[2].Y()+=pInfo->aObj2Line2.Y();
			}
		}
		return aXP;
	}
	sal_uInt16 nIntersections=0;
	FASTBOOL bForceMeeting=sal_False; // Muss die Linie durch den MeetingPoint laufen?
	{
		Point aC1(aBewareRect1.Center());
		Point aC2(aBewareRect2.Center());
		if (aBewareRect1.Left()<=aBewareRect2.Right() && aBewareRect1.Right()>=aBewareRect2.Left()) {
			// Ueberschneidung auf der X-Achse
			long n1=Max(aBewareRect1.Left(),aBewareRect2.Left());
			long n2=Min(aBewareRect1.Right(),aBewareRect2.Right());
			aMeeting.X()=(n1+n2+1)/2;
		} else {
			// Ansonsten den Mittelpunkt des Freiraums
			if (aC1.X()<aC2.X()) {
				aMeeting.X()=(aBewareRect1.Right()+aBewareRect2.Left()+1)/2;
			} else {
				aMeeting.X()=(aBewareRect1.Left()+aBewareRect2.Right()+1)/2;
			}
		}
		if (aBewareRect1.Top()<=aBewareRect2.Bottom() && aBewareRect1.Bottom()>=aBewareRect2.Top()) {
			// Ueberschneidung auf der Y-Achse
			long n1=Max(aBewareRect1.Top(),aBewareRect2.Top());
			long n2=Min(aBewareRect1.Bottom(),aBewareRect2.Bottom());
			aMeeting.Y()=(n1+n2+1)/2;
		} else {
			// Ansonsten den Mittelpunkt des Freiraums
			if (aC1.Y()<aC2.Y()) {
				aMeeting.Y()=(aBewareRect1.Bottom()+aBewareRect2.Top()+1)/2;
			} else {
				aMeeting.Y()=(aBewareRect1.Top()+aBewareRect2.Bottom()+1)/2;
			}
		}
		// Im Prinzip gibt es 3 zu unterscheidene Faelle:
		//   1. Beide in die selbe Richtung
		//   2. Beide in genau entgegengesetzte Richtungen
		//   3. Einer waagerecht und der andere senkrecht
		long nXMin=Min(aBewareRect1.Left(),aBewareRect2.Left());
		long nXMax=Max(aBewareRect1.Right(),aBewareRect2.Right());
		long nYMin=Min(aBewareRect1.Top(),aBewareRect2.Top());
		long nYMax=Max(aBewareRect1.Bottom(),aBewareRect2.Bottom());
		//int bBoundOverlap=aBoundRect1.Right()>aBoundRect2.Left() && aBoundRect1.Left()<aBoundRect2.Right() &&
							   aBoundRect1.Bottom()>aBoundRect2.Top() && aBoundRect1.Top()<aBoundRect2.Bottom();
		FASTBOOL bBewareOverlap=aBewareRect1.Right()>aBewareRect2.Left() && aBewareRect1.Left()<aBewareRect2.Right() &&
								aBewareRect1.Bottom()>aBewareRect2.Top() && aBewareRect1.Top()<aBewareRect2.Bottom();
		unsigned nMainCase=3;
		if (nAngle1==nAngle2) nMainCase=1;
		else if ((bHor1 && bHor2) || (bVer1 && bVer2)) nMainCase=2;
		if (nMainCase==1) { // Fall 1: Beide in eine Richtung moeglich.
			if (bVer1) aMeeting.X()=(aPt1.X()+aPt2.X()+1)/2; // ist hier besser, als der
			if (bHor1) aMeeting.Y()=(aPt1.Y()+aPt2.Y()+1)/2; // Mittelpunkt des Freiraums
			// bX1Ok bedeutet, dass die Vertikale, die aus Obj1 austritt, keinen Konflikt mit Obj2 bildet, ...
			FASTBOOL bX1Ok=aPt1.X()<=aBewareRect2.Left() || aPt1.X()>=aBewareRect2.Right();
			FASTBOOL bX2Ok=aPt2.X()<=aBewareRect1.Left() || aPt2.X()>=aBewareRect1.Right();
			FASTBOOL bY1Ok=aPt1.Y()<=aBewareRect2.Top() || aPt1.Y()>=aBewareRect2.Bottom();
			FASTBOOL bY2Ok=aPt2.Y()<=aBewareRect1.Top() || aPt2.Y()>=aBewareRect1.Bottom();
			if (bLks1 && (bY1Ok || aBewareRect1.Left()<aBewareRect2.Right()) && (bY2Ok || aBewareRect2.Left()<aBewareRect1.Right())) {
				aMeeting.X()=nXMin;
				bMeetingXMid=sal_False;
			}
			if (bRts1 && (bY1Ok || aBewareRect1.Right()>aBewareRect2.Left()) && (bY2Ok || aBewareRect2.Right()>aBewareRect1.Left())) {
				aMeeting.X()=nXMax;
				bMeetingXMid=sal_False;
			}
			if (bObn1 && (bX1Ok || aBewareRect1.Top()<aBewareRect2.Bottom()) && (bX2Ok || aBewareRect2.Top()<aBewareRect1.Bottom())) {
				aMeeting.Y()=nYMin;
				bMeetingYMid=sal_False;
			}
			if (bUnt1 && (bX1Ok || aBewareRect1.Bottom()>aBewareRect2.Top()) && (bX2Ok || aBewareRect2.Bottom()>aBewareRect1.Top())) {
				aMeeting.Y()=nYMax;
				bMeetingYMid=sal_False;
			}
		} else if (nMainCase==2) {
			// Fall 2:
			bForceMeeting=sal_True;
			if (bHor1) { // beide waagerecht
                /* 9 Moeglichkeiten:                   � � �                    */
                /*   2.1 Gegenueber, Ueberschneidung   � � �                    */
                /*       nur auf der Y-Achse           � � �                    */
                /*   2.2, 2.3 Gegenueber, vertikal versetzt. � � �   � � �      */
                /*            Ueberschneidung weder auf der  � � �   � � �      */
                /*            X- noch auf der Y-Achse        � � �   � � �      */
                /*   2.4, 2.5 Untereinander,   � � �   � � �                    */
                /*            Ueberschneidung  � � �   � � �                    */
                /*            nur auf X-Achse  � � �   � � �                    */
                /*   2.6, 2.7 Gegeneinander, vertikal versetzt. � � �   � � �   */
                /*            Ueberschneidung weder auf der     � � �   � � �   */
                /*            X- noch auf der Y-Achse.          � � �   � � �   */
                /*   2.8 Gegeneinander.       � � �                             */
                /*       Ueberschneidung nur  � � �                             */
                /*       auf der Y-Achse.     � � �                             */
                /*   2.9 Die BewareRects der Objekte ueberschneiden             */
                /*       sich auf X- und Y-Achse.                               */
                /* Die Faelle gelten entsprechend umgesetzt auch fuer           */
                /* senkrechte Linienaustritte.                                  */
                /* Die Faelle 2.1-2.7 werden mit dem Default-Meeting ausreichend*/
                /* gut behandelt. Spezielle MeetingPoints werden hier also nur  */
                /* fuer 2.8 und 2.9 bestimmt.                                   */

				// Normalisierung. aR1 soll der nach rechts und
				// aR2 der nach links austretende sein.
				Rectangle aBewR1(bRts1 ? aBewareRect1 : aBewareRect2);
				Rectangle aBewR2(bRts1 ? aBewareRect2 : aBewareRect1);
				Rectangle aBndR1(bRts1 ? aBoundRect1 : aBoundRect2);
				Rectangle aBndR2(bRts1 ? aBoundRect2 : aBoundRect1);
				if (aBewR1.Bottom()>aBewR2.Top() && aBewR1.Top()<aBewR2.Bottom()) {
					// Ueberschneidung auf der Y-Achse. Faelle 2.1, 2.8, 2.9
					if (aBewR1.Right()>aBewR2.Left()) {
						// Faelle 2.8, 2.9
						// Fall 2.8 ist immer Aussenrumlauf (bDirect=sal_False).
						// Fall 2.9 kann auch Direktverbindung sein (bei geringer
						// Ueberschneidung der BewareRects ohne Ueberschneidung der
						// Boundrects wenn die Linienaustritte sonst das BewareRect
						// des jeweils anderen Objekts verletzen wuerden.
						FASTBOOL bCase29Direct=sal_False;
						FASTBOOL bCase29=aBewR1.Right()>aBewR2.Left();
						if (aBndR1.Right()<=aBndR2.Left()) { // Fall 2.9 und keine Boundrectueberschneidung
							if ((aPt1.Y()>aBewareRect2.Top() && aPt1.Y()<aBewareRect2.Bottom()) ||
								(aPt2.Y()>aBewareRect1.Top() && aPt2.Y()<aBewareRect1.Bottom())) {
							   bCase29Direct=sal_True;
							}
						}
						if (!bCase29Direct) {
							FASTBOOL bObenLang=Abs(nYMin-aMeeting.Y())<=Abs(nYMax-aMeeting.Y());
							if (bObenLang) {
								aMeeting.Y()=nYMin;
							} else {
								aMeeting.Y()=nYMax;
							}
							bMeetingYMid=sal_False;
							if (bCase29) {
								// und nun noch dafuer sorgen, dass das
								// umzingelte Obj nicht durchquert wird
								if ((aBewR1.Center().Y()<aBewR2.Center().Y()) != bObenLang) {
									aMeeting.X()=aBewR2.Right();
								} else {
									aMeeting.X()=aBewR1.Left();
								}
								bMeetingXMid=sal_False;
							}
						} else {
							// Direkte Verbindung (3-Linien Z-Verbindung), da
							// Verletzung der BewareRects unvermeidlich ist.
							// Via Dreisatz werden die BewareRects nun verkleinert.
							long nWant1=aBewR1.Right()-aBndR1.Right(); // Abstand bei Obj1
							long nWant2=aBndR2.Left()-aBewR2.Left();   // Abstand bei Obj2
							long nSpace=aBndR2.Left()-aBndR1.Right(); // verfuegbarer Platz
							long nGet1=BigMulDiv(nWant1,nSpace,nWant1+nWant2);
							long nGet2=nSpace-nGet1;
							if (bRts1) { // Normalisierung zurueckwandeln
								aBewareRect1.Right()+=nGet1-nWant1;
								aBewareRect2.Left()-=nGet2-nWant2;
							} else {
								aBewareRect2.Right()+=nGet1-nWant1;
								aBewareRect1.Left()-=nGet2-nWant2;
							}
							nIntersections++; // Qualitaet herabsetzen
						}
					}
				}
			} else if (bVer1) { // beide senkrecht
				Rectangle aBewR1(bUnt1 ? aBewareRect1 : aBewareRect2);
				Rectangle aBewR2(bUnt1 ? aBewareRect2 : aBewareRect1);
				Rectangle aBndR1(bUnt1 ? aBoundRect1 : aBoundRect2);
				Rectangle aBndR2(bUnt1 ? aBoundRect2 : aBoundRect1);
				if (aBewR1.Right()>aBewR2.Left() && aBewR1.Left()<aBewR2.Right()) {
					// Ueberschneidung auf der Y-Achse. Faelle 2.1, 2.8, 2.9
					if (aBewR1.Bottom()>aBewR2.Top()) {
						// Faelle 2.8, 2.9
						// Fall 2.8 ist immer Aussenrumlauf (bDirect=sal_False).
						// Fall 2.9 kann auch Direktverbindung sein (bei geringer
						// Ueberschneidung der BewareRects ohne Ueberschneidung der
						// Boundrects wenn die Linienaustritte sonst das BewareRect
						// des jeweils anderen Objekts verletzen wuerden.
						FASTBOOL bCase29Direct=sal_False;
						FASTBOOL bCase29=aBewR1.Bottom()>aBewR2.Top();
						if (aBndR1.Bottom()<=aBndR2.Top()) { // Fall 2.9 und keine Boundrectueberschneidung
							if ((aPt1.X()>aBewareRect2.Left() && aPt1.X()<aBewareRect2.Right()) ||
								(aPt2.X()>aBewareRect1.Left() && aPt2.X()<aBewareRect1.Right())) {
							   bCase29Direct=sal_True;
							}
						}
						if (!bCase29Direct) {
							FASTBOOL bLinksLang=Abs(nXMin-aMeeting.X())<=Abs(nXMax-aMeeting.X());
							if (bLinksLang) {
								aMeeting.X()=nXMin;
							} else {
								aMeeting.X()=nXMax;
							}
							bMeetingXMid=sal_False;
							if (bCase29) {
								// und nun noch dafuer sorgen, dass das
								// umzingelte Obj nicht durchquert wird
								if ((aBewR1.Center().X()<aBewR2.Center().X()) != bLinksLang) {
									aMeeting.Y()=aBewR2.Bottom();
								} else {
									aMeeting.Y()=aBewR1.Top();
								}
								bMeetingYMid=sal_False;
							}
						} else {
							// Direkte Verbindung (3-Linien Z-Verbindung), da
							// Verletzung der BewareRects unvermeidlich ist.
							// Via Dreisatz werden die BewareRects nun verkleinert.
							long nWant1=aBewR1.Bottom()-aBndR1.Bottom(); // Abstand bei Obj1
							long nWant2=aBndR2.Top()-aBewR2.Top();   // Abstand bei Obj2
							long nSpace=aBndR2.Top()-aBndR1.Bottom(); // verfuegbarer Platz
							long nGet1=BigMulDiv(nWant1,nSpace,nWant1+nWant2);
							long nGet2=nSpace-nGet1;
							if (bUnt1) { // Normalisierung zurueckwandeln
								aBewareRect1.Bottom()+=nGet1-nWant1;
								aBewareRect2.Top()-=nGet2-nWant2;
							} else {
								aBewareRect2.Bottom()+=nGet1-nWant1;
								aBewareRect1.Top()-=nGet2-nWant2;
							}
							nIntersections++; // Qualitaet herabsetzen
						}
					}
				}
			}
		} else if (nMainCase==3) { // Fall 3: Einer waagerecht und der andere senkrecht. Sehr viele Fallunterscheidungen
            /* Kleine Legende: � � � � � -> Ohne Ueberschneidung, maximal Beruehrung.                   */
            /*                 � � � � � -> Ueberschneidung                                             */
            /*                 � � � � � -> Selbe Hoehe                                                 */
            /*                 � � � � � -> Ueberschneidung                                             */
            /*                 � � � � � -> Ohne Ueberschneidung, maximal Beruehrung.                   */
            /* Linienaustritte links �, rechts �, oben � und unten �.                                   */
            /* Insgesamt sind 96 Konstellationen moeglich, wobei einige nicht einmal                    */
            /* eindeutig einem Fall und damit einer Behandlungsmethode zugeordnet werden                */
            /* koennen.                                                                                 */
            /* 3.1: Hierzu moegen alle Konstellationen zaehlen, die durch den                           */
            /*      Default-MeetingPoint zufriedenstellend abgedeckt sind (20+12).                      */
            /*   � � � � �    � � � � �   Diese 12  � � � � �    � � � � �    � � � � �    � � � � �    */
            /*   � � � � �    � � � � �   Konstel.  � � � � �    � � � � �    � � � � �    � � � � �    */
            /*   � � � � �    � � � � �   jedoch    � � � � �    � � � � �    � � � � �    � � � � �    */
            /*   � � � � �    � � � � �   nur zum   � � � � �    � � � � �    � � � � �    � � � � �    */
            /*   � � � � �    � � � � �   Teil:     � � � � �    � � � � �    � � � � �    � � � � �    */
            /*   Letztere 16 Faelle scheiden aus, sobald sich die Objekte offen                         */
            /*   gegenueberstehen (siehe Fall 3.2).                                                     */
            /* 3.2: Die Objekte stehen sich offen gegenueber und somit ist eine                         */
            /*      Verbindung mit lediglich 2 Linien moeglich (4+20).                                  */
            /*      Dieser Fall hat 1. Prioritaet.                                                      */
            /*   � � � � �   � � � � �   Diese 20  � � � � �   � � � � �   � � � � �   � � � � �        */
            /*   � � � � �   � � � � �   Konstel.  � � � � �   � � � � �   � � � � �   � � � � �        */
            /*   � � � � �   � � � � �   jedoch    � � � � �   � � � � �   � � � � �   � � � � �        */
            /*   � � � � �   � � � � �   nur zum   � � � � �   � � � � �   � � � � �   � � � � �        */
            /*   � � � � �   � � � � �   Teil:     � � � � �   � � � � �   � � � � �   � � � � �        */
            /* 3.3: Die Linienaustritte zeigen vom anderen Objekt weg bzw. hinter                       */
            /*      dessen Ruecken vorbei (52+4).                                                       */
            /*   � � � � �   � � � � �   � � � � �   � � � � �   Diese 4   � � � � �   � � � � �        */
            /*   � � � � �   � � � � �   � � � � �   � � � � �   Konstel.  � � � � �   � � � � �        */
            /*   � � � � �   � � � � �   � � � � �   � � � � �   jedoch    � � � � �   � � � � �        */
            /*   � � � � �   � � � � �   � � � � �   � � � � �   nur zum   � � � � �   � � � � �        */
            /*   � � � � �   � � � � �   � � � � �   � � � � �   Teil:     � � � � �   � � � � �        */

			// Fall 3.2
			Rectangle aTmpR1(aBewareRect1);
			Rectangle aTmpR2(aBewareRect2);
			if (bBewareOverlap) {
				// Ueberschneidung der BewareRects: BoundRects fuer Check auf Fall 3.2 verwenden.
				aTmpR1=aBoundRect1;
				aTmpR2=aBoundRect2;
			}
			if ((((bRts1 && aTmpR1.Right ()<=aPt2.X()) || (bLks1 && aTmpR1.Left()>=aPt2.X())) &&
				 ((bUnt2 && aTmpR2.Bottom()<=aPt1.Y()) || (bObn2 && aTmpR2.Top ()>=aPt1.Y()))) ||
				(((bRts2 && aTmpR2.Right ()<=aPt1.X()) || (bLks2 && aTmpR2.Left()>=aPt1.X())) &&
				 ((bUnt1 && aTmpR1.Bottom()<=aPt2.Y()) || (bObn1 && aTmpR1.Top ()>=aPt2.Y())))) {
				// Fall 3.2 trifft zu: Verbindung mit lediglich 2 Linien
				bForceMeeting=sal_True;
				bMeetingXMid=sal_False;
				bMeetingYMid=sal_False;
				if (bHor1) {
					aMeeting.X()=aPt2.X();
					aMeeting.Y()=aPt1.Y();
				} else {
					aMeeting.X()=aPt1.X();
					aMeeting.Y()=aPt2.Y();
				}
				// Falls Ueberschneidung der BewareRects:
				aBewareRect1=aTmpR1;
				aBewareRect2=aTmpR2;
			} else if ((((bRts1 && aBewareRect1.Right ()>aBewareRect2.Left  ()) ||
						 (bLks1 && aBewareRect1.Left  ()<aBewareRect2.Right ())) &&
						((bUnt2 && aBewareRect2.Bottom()>aBewareRect1.Top   ()) ||
						 (bObn2 && aBewareRect2.Top   ()<aBewareRect1.Bottom()))) ||
					   (((bRts2 && aBewareRect2.Right ()>aBewareRect1.Left  ()) ||
						 (bLks2 && aBewareRect2.Left  ()<aBewareRect1.Right ())) &&
						((bUnt1 && aBewareRect1.Bottom()>aBewareRect2.Top   ()) ||
						 (bObn1 && aBewareRect1.Top   ()<aBewareRect2.Bottom())))) {
				// Fall 3.3
				bForceMeeting=sal_True;
				if (bRts1 || bRts2) { aMeeting.X()=nXMax; bMeetingXMid=sal_False; }
				if (bLks1 || bLks2) { aMeeting.X()=nXMin; bMeetingXMid=sal_False; }
				if (bUnt1 || bUnt2) { aMeeting.Y()=nYMax; bMeetingYMid=sal_False; }
				if (bObn1 || bObn2) { aMeeting.Y()=nYMin; bMeetingYMid=sal_False; }
			}
		}
	}

	XPolygon aXP1(ImpCalcObjToCenter(aPt1,nAngle1,aBewareRect1,aMeeting));
	XPolygon aXP2(ImpCalcObjToCenter(aPt2,nAngle2,aBewareRect2,aMeeting));
	sal_uInt16 nXP1Anz=aXP1.GetPointCount();
	sal_uInt16 nXP2Anz=aXP2.GetPointCount();
	if (bInfo) {
		pInfo->nObj1Lines=nXP1Anz; if (nXP1Anz>1) pInfo->nObj1Lines--;
		pInfo->nObj2Lines=nXP2Anz; if (nXP2Anz>1) pInfo->nObj2Lines--;
	}
	Point aEP1(aXP1[nXP1Anz-1]);
	Point aEP2(aXP2[nXP2Anz-1]);
	FASTBOOL bInsMeetingPoint=aEP1.X()!=aEP2.X() && aEP1.Y()!=aEP2.Y();
	FASTBOOL bHorzE1=aEP1.Y()==aXP1[nXP1Anz-2].Y(); // letzte Linie von XP1 horizontal?
	FASTBOOL bHorzE2=aEP2.Y()==aXP2[nXP2Anz-2].Y(); // letzte Linie von XP2 horizontal?
	if (aEP1==aEP2 && (bHorzE1 && bHorzE2 && aEP1.Y()==aEP2.Y()) || (!bHorzE1 && !bHorzE2 && aEP1.X()==aEP2.X())) {
		// Sonderbehandlung fuer 'I'-Verbinder
		nXP1Anz--; aXP1.Remove(nXP1Anz,1);
		nXP2Anz--; aXP2.Remove(nXP2Anz,1);
		bMeetingXMid=sal_False;
		bMeetingYMid=sal_False;
	}
	if (bInsMeetingPoint) {
		aXP1.Insert(XPOLY_APPEND,aMeeting,XPOLY_NORMAL);
		if (bInfo) {
			// Durch einfuegen des MeetingPoints kommen 2 weitere Linie hinzu.
			// Evtl. wird eine von diesen die Mittellinie.
			if (pInfo->nObj1Lines==pInfo->nObj2Lines) {
				pInfo->nObj1Lines++;
				pInfo->nObj2Lines++;
			} else {
				if (pInfo->nObj1Lines>pInfo->nObj2Lines) {
					pInfo->nObj2Lines++;
					pInfo->nMiddleLine=nXP1Anz-1;
				} else {
					pInfo->nObj1Lines++;
					pInfo->nMiddleLine=nXP1Anz;
				}
			}
		}
	} else if (bInfo && aEP1!=aEP2 && nXP1Anz+nXP2Anz>=4) {
		// Durch Verbinden der beiden Enden kommt eine weitere Linie hinzu.
		// Dies wird die Mittellinie.
		pInfo->nMiddleLine=nXP1Anz-1;
	}
	sal_uInt16 nNum=aXP2.GetPointCount();
	if (aXP1[nXP1Anz-1]==aXP2[nXP2Anz-1] && nXP1Anz>1 && nXP2Anz>1) nNum--;
	while (nNum>0) {
		nNum--;
		aXP1.Insert(XPOLY_APPEND,aXP2[nNum],XPOLY_NORMAL);
	}
	sal_uInt16 nPntAnz=aXP1.GetPointCount();
	char cForm=0;
	if (bInfo || pnQuality!=NULL) {
		cForm='?';
		if (nPntAnz==2) cForm='I';
		else if (nPntAnz==3) cForm='L';
		else if (nPntAnz==4) { // Z oder U
			if (nAngle1==nAngle2) cForm='U';
			else cForm='Z';
        } else if (nPntAnz==4) { /* �-�  �-�  */
            /* ...                 -�     -�  */
		} else if (nPntAnz==6) { // S oder C oder ...
			if (nAngle1!=nAngle2) {
				// Fuer Typ S hat Linie2 dieselbe Richtung wie Linie4.
				// Bei Typ C sind die beiden genau entgegengesetzt.
				Point aP1(aXP1[1]);
				Point aP2(aXP1[2]);
				Point aP3(aXP1[3]);
				Point aP4(aXP1[4]);
				if (aP1.Y()==aP2.Y()) { // beide Linien Horz
					if ((aP1.X()<aP2.X())==(aP3.X()<aP4.X())) cForm='S';
					else cForm='C';
				} else { // sonst beide Linien Vert
					if ((aP1.Y()<aP2.Y())==(aP3.Y()<aP4.Y())) cForm='S';
					else cForm='C';
				}
			} else cForm='4'; // sonst der 3. Fall mit 5 Linien
		} else cForm='?';  //
		// Weitere Formen:
		if (bInfo) {
			pInfo->cOrthoForm=cForm;
			if (cForm=='I' || cForm=='L' || cForm=='Z' || cForm=='U') {
				pInfo->nObj1Lines=1;
				pInfo->nObj2Lines=1;
				if (cForm=='Z' || cForm=='U') {
					pInfo->nMiddleLine=1;
				} else {
					pInfo->nMiddleLine=0xFFFF;
				}
			} else if (cForm=='S' || cForm=='C') {
				pInfo->nObj1Lines=2;
				pInfo->nObj2Lines=2;
				pInfo->nMiddleLine=2;
			}
		}
	}
	if (pnQuality!=NULL) {
		sal_uIntPtr nQual=0;
		sal_uIntPtr nQual0=nQual; // Ueberlaeufe vorbeugen
		FASTBOOL bOverflow=sal_False;
		Point aPt0(aXP1[0]);
		for (sal_uInt16 nPntNum=1; nPntNum<nPntAnz; nPntNum++) {
			Point aPt1b(aXP1[nPntNum]);
			nQual+=Abs(aPt1b.X()-aPt0.X())+Abs(aPt1b.Y()-aPt0.Y());
			if (nQual<nQual0) bOverflow=sal_True;
			nQual0=nQual;
			aPt0=aPt1b;
		}

		sal_uInt16 nTmp=nPntAnz;
		if (cForm=='Z') {
			nTmp=2; // Z-Form hat gute Qualitaet (nTmp=2 statt 4)
			sal_uIntPtr n1=Abs(aXP1[1].X()-aXP1[0].X())+Abs(aXP1[1].Y()-aXP1[0].Y());
			sal_uIntPtr n2=Abs(aXP1[2].X()-aXP1[1].X())+Abs(aXP1[2].Y()-aXP1[1].Y());
			sal_uIntPtr n3=Abs(aXP1[3].X()-aXP1[2].X())+Abs(aXP1[3].Y()-aXP1[2].Y());
			// fuer moeglichst gleichlange Linien sorgen
			sal_uIntPtr nBesser=0;
			n1+=n3;
			n3=n2/4;
			if (n1>=n2) nBesser=6;
			else if (n1>=3*n3) nBesser=4;
			else if (n1>=2*n3) nBesser=2;
			if (aXP1[0].Y()!=aXP1[1].Y()) nBesser++; // Senkrechte Startlinie kriegt auch noch einen Pluspunkt (fuer H/V-Prio)
			if (nQual>nBesser) nQual-=nBesser; else nQual=0;
		}
		if (nTmp>=3) {
			nQual0=nQual;
			nQual+=(sal_uIntPtr)nTmp*0x01000000;
			if (nQual<nQual0 || nTmp>15) bOverflow=sal_True;
		}
		if (nPntAnz>=2) { // Austrittswinkel nochmal pruefen
			Point aP1(aXP1[1]); aP1-=aXP1[0];
			Point aP2(aXP1[nPntAnz-2]); aP2-=aXP1[nPntAnz-1];
			long nAng1=0; if (aP1.X()<0) nAng1=18000; if (aP1.Y()>0) nAng1=27000;
			if (aP1.Y()<0) nAng1=9000; if (aP1.X()!=0 && aP1.Y()!=0) nAng1=1; // Schraeg!?!
			long nAng2=0; if (aP2.X()<0) nAng2=18000; if (aP2.Y()>0) nAng2=27000;
			if (aP2.Y()<0) nAng2=9000; if (aP2.X()!=0 && aP2.Y()!=0) nAng2=1; // Schraeg!?!
			if (nAng1!=nAngle1) nIntersections++;
			if (nAng2!=nAngle2) nIntersections++;
		}

		// Fuer den Qualitaetscheck wieder die Original-Rects verwenden und
		// gleichzeitig checken, ob eins fuer die Edge-Berechnung verkleinert
		// wurde (z.B. Fall 2.9)
		aBewareRect1=rBewareRect1;
		aBewareRect2=rBewareRect2;

		for (sal_uInt16 i=0; i<nPntAnz; i++) {
			Point aPt1b(aXP1[i]);
			FASTBOOL b1=aPt1b.X()>aBewareRect1.Left() && aPt1b.X()<aBewareRect1.Right() &&
						aPt1b.Y()>aBewareRect1.Top() && aPt1b.Y()<aBewareRect1.Bottom();
			FASTBOOL b2=aPt1b.X()>aBewareRect2.Left() && aPt1b.X()<aBewareRect2.Right() &&
						aPt1b.Y()>aBewareRect2.Top() && aPt1b.Y()<aBewareRect2.Bottom();
			sal_uInt16 nInt0=nIntersections;
			if (i==0 || i==nPntAnz-1) {
				if (b1 && b2) nIntersections++;
			} else {
				if (b1) nIntersections++;
				if (b2) nIntersections++;
			}
			// und nun noch auf Ueberschneidungen checken
			if (i>0 && nInt0==nIntersections) {
				if (aPt0.Y()==aPt1b.Y()) { // Horizontale Linie
					if (aPt0.Y()>aBewareRect1.Top() && aPt0.Y()<aBewareRect1.Bottom() &&
						((aPt0.X()<=aBewareRect1.Left() && aPt1b.X()>=aBewareRect1.Right()) ||
						 (aPt1b.X()<=aBewareRect1.Left() && aPt0.X()>=aBewareRect1.Right()))) nIntersections++;
					if (aPt0.Y()>aBewareRect2.Top() && aPt0.Y()<aBewareRect2.Bottom() &&
						((aPt0.X()<=aBewareRect2.Left() && aPt1b.X()>=aBewareRect2.Right()) ||
						 (aPt1b.X()<=aBewareRect2.Left() && aPt0.X()>=aBewareRect2.Right()))) nIntersections++;
				} else { // Vertikale Linie
					if (aPt0.X()>aBewareRect1.Left() && aPt0.X()<aBewareRect1.Right() &&
						((aPt0.Y()<=aBewareRect1.Top() && aPt1b.Y()>=aBewareRect1.Bottom()) ||
						 (aPt1b.Y()<=aBewareRect1.Top() && aPt0.Y()>=aBewareRect1.Bottom()))) nIntersections++;
					if (aPt0.X()>aBewareRect2.Left() && aPt0.X()<aBewareRect2.Right() &&
						((aPt0.Y()<=aBewareRect2.Top() && aPt1b.Y()>=aBewareRect2.Bottom()) ||
						 (aPt1b.Y()<=aBewareRect2.Top() && aPt0.Y()>=aBewareRect2.Bottom()))) nIntersections++;
				}
			}
			aPt0=aPt1b;
		}
		if (nPntAnz<=1) nIntersections++;
		nQual0=nQual;
		nQual+=(sal_uIntPtr)nIntersections*0x10000000;
		if (nQual<nQual0 || nIntersections>15) bOverflow=sal_True;

		if (bOverflow || nQual==0xFFFFFFFF) nQual=0xFFFFFFFE;
		*pnQuality=nQual;
	}
	if (bInfo) { // nun die Linienversaetze auf aXP1 anwenden
		if (pInfo->nMiddleLine!=0xFFFF) {
			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(MIDDLELINE,aXP1);
			if (pInfo->ImpIsHorzLine(MIDDLELINE,aXP1)) {
				aXP1[nIdx].Y()+=pInfo->aMiddleLine.Y();
				aXP1[nIdx+1].Y()+=pInfo->aMiddleLine.Y();
			} else {
				aXP1[nIdx].X()+=pInfo->aMiddleLine.X();
				aXP1[nIdx+1].X()+=pInfo->aMiddleLine.X();
			}
		}
		if (pInfo->nObj1Lines>=2) {
			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ1LINE2,aXP1);
			if (pInfo->ImpIsHorzLine(OBJ1LINE2,aXP1)) {
				aXP1[nIdx].Y()+=pInfo->aObj1Line2.Y();
				aXP1[nIdx+1].Y()+=pInfo->aObj1Line2.Y();
			} else {
				aXP1[nIdx].X()+=pInfo->aObj1Line2.X();
				aXP1[nIdx+1].X()+=pInfo->aObj1Line2.X();
			}
		}
		if (pInfo->nObj1Lines>=3) {
			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ1LINE3,aXP1);
			if (pInfo->ImpIsHorzLine(OBJ1LINE3,aXP1)) {
				aXP1[nIdx].Y()+=pInfo->aObj1Line3.Y();
				aXP1[nIdx+1].Y()+=pInfo->aObj1Line3.Y();
			} else {
				aXP1[nIdx].X()+=pInfo->aObj1Line3.X();
				aXP1[nIdx+1].X()+=pInfo->aObj1Line3.X();
			}
		}
		if (pInfo->nObj2Lines>=2) {
			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ2LINE2,aXP1);
			if (pInfo->ImpIsHorzLine(OBJ2LINE2,aXP1)) {
				aXP1[nIdx].Y()+=pInfo->aObj2Line2.Y();
				aXP1[nIdx+1].Y()+=pInfo->aObj2Line2.Y();
			} else {
				aXP1[nIdx].X()+=pInfo->aObj2Line2.X();
				aXP1[nIdx+1].X()+=pInfo->aObj2Line2.X();
			}
		}
		if (pInfo->nObj2Lines>=3) {
			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ2LINE3,aXP1);
			if (pInfo->ImpIsHorzLine(OBJ2LINE3,aXP1)) {
				aXP1[nIdx].Y()+=pInfo->aObj2Line3.Y();
				aXP1[nIdx+1].Y()+=pInfo->aObj2Line3.Y();
			} else {
				aXP1[nIdx].X()+=pInfo->aObj2Line3.X();
				aXP1[nIdx+1].X()+=pInfo->aObj2Line3.X();
			}
		}
	}
	// Nun mache ich ggf. aus dem Verbinder eine Bezierkurve
	if (eKind==SDREDGE_BEZIER && nPntAnz>2) {
		Point* pPt1=&aXP1[0];
		Point* pPt2=&aXP1[1];
		Point* pPt3=&aXP1[nPntAnz-2];
		Point* pPt4=&aXP1[nPntAnz-1];
		long dx1=pPt2->X()-pPt1->X();
		long dy1=pPt2->Y()-pPt1->Y();
		long dx2=pPt3->X()-pPt4->X();
		long dy2=pPt3->Y()-pPt4->Y();
		if (cForm=='L') { // nPntAnz==3
			aXP1.SetFlags(1,XPOLY_CONTROL);
			Point aPt3(*pPt2);
			aXP1.Insert(2,aPt3,XPOLY_CONTROL);
			nPntAnz=aXP1.GetPointCount();
			pPt1=&aXP1[0];
			pPt2=&aXP1[1];
			pPt3=&aXP1[nPntAnz-2];
			pPt4=&aXP1[nPntAnz-1];
			pPt2->X()-=dx1/3;
			pPt2->Y()-=dy1/3;
			pPt3->X()-=dx2/3;
			pPt3->Y()-=dy2/3;
		} else if (nPntAnz>=4 && nPntAnz<=6) { // Z oder U oder ...
			// fuer Alle Anderen werden die Endpunkte der Ausgangslinien
			// erstmal zu Kontrollpunkten. Bei nPntAnz>4 ist also noch
			// Nacharbeit erforderlich!
			aXP1.SetFlags(1,XPOLY_CONTROL);
			aXP1.SetFlags(nPntAnz-2,XPOLY_CONTROL);
			// Distanz x1.5
			pPt2->X()+=dx1/2;
			pPt2->Y()+=dy1/2;
			pPt3->X()+=dx2/2;
			pPt3->Y()+=dy2/2;
			if (nPntAnz==5) {
				// Vor und hinter dem Mittelpunkt jeweils
				// noch einen Kontrollpunkt einfuegen
				Point aCenter(aXP1[2]);
				long dx1b=aCenter.X()-aXP1[1].X();
				long dy1b=aCenter.Y()-aXP1[1].Y();
				long dx2b=aCenter.X()-aXP1[3].X();
				long dy2b=aCenter.Y()-aXP1[3].Y();
				aXP1.Insert(2,aCenter,XPOLY_CONTROL);
				aXP1.SetFlags(3,XPOLY_SYMMTR);
				aXP1.Insert(4,aCenter,XPOLY_CONTROL);
				aXP1[2].X()-=dx1b/2;
				aXP1[2].Y()-=dy1b/2;
				aXP1[3].X()-=(dx1b+dx2b)/4;
				aXP1[3].Y()-=(dy1b+dy2b)/4;
				aXP1[4].X()-=dx2b/2;
				aXP1[4].Y()-=dy2b/2;
			}
			if (nPntAnz==6) {
				Point aPt1b(aXP1[2]);
				Point aPt2b(aXP1[3]);
				aXP1.Insert(2,aPt1b,XPOLY_CONTROL);
				aXP1.Insert(5,aPt2b,XPOLY_CONTROL);
				long dx=aPt1b.X()-aPt2b.X();
				long dy=aPt1b.Y()-aPt2b.Y();
				aXP1[3].X()-=dx/2;
				aXP1[3].Y()-=dy/2;
				aXP1.SetFlags(3,XPOLY_SYMMTR);
				//aXP1[4].X()+=dx/2;
				//aXP1[4].Y()+=dy/2;
				aXP1.Remove(4,1); // weil identisch mit aXP1[3]
			}
		}
	}
	return aXP1;
}

/*
Nach einer einfachen Rechnung koennte es max. 64 unterschiedliche Verlaeufe mit
5 Linien, 32 mit 4 Linien, 16 mit 3, 8 mit 2 Linien und 4 mit 1 Linie geben=124.
Normalisiert auf 1. Austrittswinkel nach rechts bleiben dann noch 31.
Dann noch eine vertikale Spiegelung wegnormalisiert bleiben noch 16
characteristische Verlaufszuege mit 1-5 Linien:
Mit 1 Linie (Typ 'I'):  --
Mit 2 Linien (Typ 'L'): -�
Mit 3 Linien (Typ 'U'):  -�  (Typ 'Z'):  �-
						 -�             -�
Mit 4 Linien: 1 ist nicht plausibel, 3 ist=2 (90deg Drehung). Verbleibt 2,4
	 �-�  ڿ  ��  ڿ                               ڿ  �-�
	-�   -�   -�  -�                              -�    -�
Mit 5 Linien: nicht plausibel sind 1,2,4,5. 7 ist identisch mit 3 (Richtungsumkehr)
			  Bleibt also 3,6 und 8.              '4'  'S'  'C'
	   �    �             -�   �-  �-�                  �-
	 �-�  �-�  �-�   �-�   ��  �� -� � �-�         �-�  ��  �-�
	-�   -�   -� �  -� �-  -�  -�  --� � �        -� �  -�  � �
Insgesamt sind also 9 Grundtypen zu unterscheiden die den 400 Konstellationen
aus Objektposition und Austrittswinkeln zuzuordnen sind.
4 der 9 Grundtypen haben eine 'Mittellinie'. Die Anzahl der zu Objektabstaende
je Objekt variiert von 0-3:
	 Mi   O1   O2   Anmerkung
'I':  n   0    0
'L':  n   0    0
'U':  n  0-1  0-1
'Z':  j   0    0
4.1:  j   0    1    = U+1 bzw. 1+U
4.2:  n  0-2  0-2   = Z+1
'4':  j   0    2    = Z+2
'S':  j   1    1    = 1+Z+1
'C':  n  0-3  0-3   = 1+U+1
*/

void __EXPORT SdrEdgeObj::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
{
	SfxSimpleHint* pSimple=PTR_CAST(SfxSimpleHint,&rHint);
	sal_uIntPtr nId=pSimple==0 ? 0 : pSimple->GetId();
	FASTBOOL bDataChg=nId==SFX_HINT_DATACHANGED;
	FASTBOOL bDying=nId==SFX_HINT_DYING;
	FASTBOOL bObj1=aCon1.pObj!=NULL && aCon1.pObj->GetBroadcaster()==&rBC;
	FASTBOOL bObj2=aCon2.pObj!=NULL && aCon2.pObj->GetBroadcaster()==&rBC;
	if (bDying && (bObj1 || bObj2)) {
		// #35605# Dying vorher abfangen, damit AttrObj nicht
		// wg. vermeintlicher Vorlagenaenderung rumbroadcastet
		if (bObj1) aCon1.pObj=NULL;
		if (bObj2) aCon2.pObj=NULL;
		return; // Und mehr braucht hier nicht getan werden.
	}
	if ( bObj1 || bObj2 )
	{
		bEdgeTrackUserDefined = sal_False;
	}
    SdrTextObj::Notify(rBC,rHint);
	if (nNotifyingCount==0) { // Hier nun auch ein VerriegelungsFlag
		((SdrEdgeObj*)this)->nNotifyingCount++;
		SdrHint* pSdrHint=PTR_CAST(SdrHint,&rHint);
		if (bDataChg) { // StyleSheet geaendert
			ImpSetAttrToEdgeInfo(); // Werte bei Vorlagenaenderung vom Pool nach aEdgeInfo kopieren
		}
		if (bDataChg                                ||
			(bObj1 && aCon1.pObj->GetPage()==pPage) ||
			(bObj2 && aCon2.pObj->GetPage()==pPage) ||
			(pSdrHint && pSdrHint->GetKind()==HINT_OBJREMOVED))
		{
			// Broadcasting nur, wenn auf der selben Page
			Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetLastBoundRect();
			// #110094#-14 if (!bEdgeTrackDirty) SendRepaintBroadcast();
			ImpDirtyEdgeTrack();

			// only redraw here, no objectchange
			ActionChanged();
			// BroadcastObjectChange();

			SendUserCall(SDRUSERCALL_RESIZE,aBoundRect0);
		}
		((SdrEdgeObj*)this)->nNotifyingCount--;
	}
}

/** updates edges that are connected to the edges of this object
	as if the connected objects send a repaint broadcast
	#103122#
*/
void SdrEdgeObj::Reformat()
{
	if( NULL != aCon1.pObj )
	{
		SfxSimpleHint aHint( SFX_HINT_DATACHANGED );
		Notify( *const_cast<SfxBroadcaster*>(aCon1.pObj->GetBroadcaster()), aHint );
	}

	if( NULL != aCon2.pObj )
	{
		SfxSimpleHint aHint( SFX_HINT_DATACHANGED );
		Notify( *const_cast<SfxBroadcaster*>(aCon2.pObj->GetBroadcaster()), aHint );
	}
}

void SdrEdgeObj::operator=(const SdrObject& rObj)
{
	SdrTextObj::operator=(rObj);
	*pEdgeTrack    =*((SdrEdgeObj&)rObj).pEdgeTrack;
	bEdgeTrackDirty=((SdrEdgeObj&)rObj).bEdgeTrackDirty;
	aCon1          =((SdrEdgeObj&)rObj).aCon1;
	aCon2          =((SdrEdgeObj&)rObj).aCon2;
	aCon1.pObj=NULL;
	aCon2.pObj=NULL;
	aEdgeInfo=((SdrEdgeObj&)rObj).aEdgeInfo;
}

void SdrEdgeObj::TakeObjNameSingul(XubString& rName) const
{
	rName=ImpGetResStr(STR_ObjNameSingulEDGE);

	String aName( GetName() );
	if(aName.Len())
	{
		rName += sal_Unicode(' ');
		rName += sal_Unicode('\'');
		rName += aName;
		rName += sal_Unicode('\'');
	}
}

void SdrEdgeObj::TakeObjNamePlural(XubString& rName) const
{
	rName=ImpGetResStr(STR_ObjNamePluralEDGE);
}

basegfx::B2DPolyPolygon SdrEdgeObj::TakeXorPoly() const
{
	basegfx::B2DPolyPolygon aPolyPolygon;

	if (bEdgeTrackDirty)
	{
		((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
	}

	if(pEdgeTrack)
	{
		aPolyPolygon.append(pEdgeTrack->getB2DPolygon());
	}

	return aPolyPolygon;
}

void SdrEdgeObj::SetEdgeTrackPath( const basegfx::B2DPolyPolygon& rPoly )
{
	if ( !rPoly.count() )
	{
		bEdgeTrackDirty = sal_True;
		bEdgeTrackUserDefined = sal_False;
	}
	else
	{
		*pEdgeTrack = XPolygon( rPoly.getB2DPolygon( 0 ) );
		bEdgeTrackDirty = sal_False;
		bEdgeTrackUserDefined = sal_True;

        // #i110629# also set aRect and maSnapeRect dependent from pEdgeTrack
        const Rectangle aPolygonBounds(pEdgeTrack->GetBoundRect());
        aRect = aPolygonBounds;
        maSnapRect = aPolygonBounds;
	}
}

basegfx::B2DPolyPolygon SdrEdgeObj::GetEdgeTrackPath() const
{
	basegfx::B2DPolyPolygon aPolyPolygon;

	if (bEdgeTrackDirty)
		((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();

	aPolyPolygon.append( pEdgeTrack->getB2DPolygon() );

	return aPolyPolygon;
}

sal_uInt32 SdrEdgeObj::GetHdlCount() const
{
	SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
	sal_uInt32 nHdlAnz(0L);
	sal_uInt32 nPntAnz(pEdgeTrack->GetPointCount());

	if(nPntAnz)
	{
		nHdlAnz = 2L;

		if ((eKind==SDREDGE_ORTHOLINES || eKind==SDREDGE_BEZIER) && nPntAnz >= 4L)
		{
			sal_uInt32 nO1(aEdgeInfo.nObj1Lines > 0L ? aEdgeInfo.nObj1Lines - 1L : 0L);
			sal_uInt32 nO2(aEdgeInfo.nObj2Lines > 0L ? aEdgeInfo.nObj2Lines - 1L : 0L);
			sal_uInt32 nM(aEdgeInfo.nMiddleLine != 0xFFFF ? 1L : 0L);
			nHdlAnz += nO1 + nO2 + nM;
		}
		else if (eKind==SDREDGE_THREELINES && nPntAnz == 4L)
		{
			if(GetConnectedNode(sal_True))
				nHdlAnz++;

			if(GetConnectedNode(sal_False))
				nHdlAnz++;
		}
	}

	return nHdlAnz;
}

SdrHdl* SdrEdgeObj::GetHdl(sal_uInt32 nHdlNum) const
{
	SdrHdl* pHdl=NULL;
	sal_uInt32 nPntAnz(pEdgeTrack->GetPointCount());
	if (nPntAnz!=0) {
		if (nHdlNum==0) {
			pHdl=new ImpEdgeHdl((*pEdgeTrack)[0],HDL_POLY);
			if (aCon1.pObj!=NULL && aCon1.bBestVertex) pHdl->Set1PixMore(sal_True);
		} else if (nHdlNum==1) {
			pHdl=new ImpEdgeHdl((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],HDL_POLY);
			if (aCon2.pObj!=NULL && aCon2.bBestVertex) pHdl->Set1PixMore(sal_True);
		} else {
			SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
			if (eKind==SDREDGE_ORTHOLINES || eKind==SDREDGE_BEZIER) {
				sal_uInt32 nO1(aEdgeInfo.nObj1Lines > 0L ? aEdgeInfo.nObj1Lines - 1L : 0L);
				sal_uInt32 nO2(aEdgeInfo.nObj2Lines > 0L ? aEdgeInfo.nObj2Lines - 1L : 0L);
				sal_uInt32 nM(aEdgeInfo.nMiddleLine != 0xFFFF ? 1L : 0L);
				sal_uInt32 nNum(nHdlNum - 2L);
				sal_Int32 nPt(0L);
				pHdl=new ImpEdgeHdl(Point(),HDL_POLY);
				if (nNum<nO1) {
					nPt=nNum+1L;
					if (nNum==0) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE2);
					if (nNum==1) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE3);
				} else {
					nNum=nNum-nO1;
					if (nNum<nO2) {
						nPt=nPntAnz-3-nNum;
						if (nNum==0) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE2);
						if (nNum==1) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE3);
					} else {
						nNum=nNum-nO2;
						if (nNum<nM) {
							nPt=aEdgeInfo.nMiddleLine;
							((ImpEdgeHdl*)pHdl)->SetLineCode(MIDDLELINE);
						}
					}
				}
				if (nPt>0) {
					Point aPos((*pEdgeTrack)[(sal_uInt16)nPt]);
					aPos+=(*pEdgeTrack)[(sal_uInt16)nPt+1];
					aPos.X()/=2;
					aPos.Y()/=2;
					pHdl->SetPos(aPos);
				} else {
					delete pHdl;
					pHdl=NULL;
				}
			} else if (eKind==SDREDGE_THREELINES) {
				sal_uInt32 nNum(nHdlNum);
				if (GetConnectedNode(sal_True)==NULL) nNum++;
				Point aPos((*pEdgeTrack)[(sal_uInt16)nNum-1]);
				pHdl=new ImpEdgeHdl(aPos,HDL_POLY);
				if (nNum==2) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE2);
				if (nNum==3) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE2);
			}
		}
		if (pHdl!=NULL) {
			pHdl->SetPointNum(nHdlNum);
		}
	}
	return pHdl;
}

////////////////////////////////////////////////////////////////////////////////////////////////////

bool SdrEdgeObj::hasSpecialDrag() const
{
	return true;
}

SdrObject* SdrEdgeObj::getFullDragClone() const
{
	// use Clone operator
	SdrEdgeObj* pRetval = (SdrEdgeObj*)Clone();

	// copy connections for clone, SdrEdgeObj::operator= does not do this
    pRetval->ConnectToNode(true, GetConnectedNode(true));
    pRetval->ConnectToNode(false, GetConnectedNode(false));

	return pRetval;
}

bool SdrEdgeObj::beginSpecialDrag(SdrDragStat& rDrag) const
{
	if(!rDrag.GetHdl())
        return false;

    rDrag.SetEndDragChangesAttributes(true);

    if(rDrag.GetHdl()->GetPointNum() < 2)
    {
        rDrag.SetNoSnap(true);
	}

    return true;
}

bool SdrEdgeObj::applySpecialDrag(SdrDragStat& rDragStat)
{
    SdrEdgeObj* pOriginalEdge = dynamic_cast< SdrEdgeObj* >(rDragStat.GetHdl()->GetObj());
    const bool bOriginalEdgeModified(pOriginalEdge == this);

	if(!bOriginalEdgeModified && pOriginalEdge)
	{
        // copy connections when clone is modified. This is needed because
		// as preparation to this modification the data from the original object
		// was copied to the clone using the operator=. As can be seen there,
		// that operator does not copy the connections (for good reason)
		ConnectToNode(true, pOriginalEdge->GetConnection(true).GetObject());
		ConnectToNode(false, pOriginalEdge->GetConnection(false).GetObject());
	}

    if(rDragStat.GetHdl()->GetPointNum() < 2)
    {
		// start or end point connector drag
        const bool bDragA(0 == rDragStat.GetHdl()->GetPointNum());
        const Point aPointNow(rDragStat.GetNow());

        if(rDragStat.GetPageView())
        {
            SdrObjConnection* pDraggedOne(bDragA ? &aCon1 : &aCon2);

			// clear connection
			DisconnectFromNode(bDragA);

			// look for new connection
			ImpFindConnector(aPointNow, *rDragStat.GetPageView(), *pDraggedOne, pOriginalEdge);

			if(pDraggedOne->pObj)
			{
				// if found, officially connect to it; ImpFindConnector only
				// sets pObj hard
				SdrObject* pNewConnection = pDraggedOne->pObj;
				pDraggedOne->pObj = 0;
				ConnectToNode(bDragA, pNewConnection);
			}

            if(rDragStat.GetView() && !bOriginalEdgeModified)
            {
				// show IA helper, but only do this during IA, so not when the original
				// Edge gets modified in the last call
			    rDragStat.GetView()->SetConnectMarker(*pDraggedOne, *rDragStat.GetPageView());
            }
        }

        if(pEdgeTrack)
        {
			// change pEdgeTrack to modified position
            if(bDragA)
            {
                (*pEdgeTrack)[0] = aPointNow;
            }
            else
            {
                (*pEdgeTrack)[sal_uInt16(pEdgeTrack->GetPointCount()-1)] = aPointNow;
            }
        }

		// reset edge info's offsets, this is a end point drag
        aEdgeInfo.aObj1Line2 = Point();
		aEdgeInfo.aObj1Line3 = Point();
		aEdgeInfo.aObj2Line2 = Point();
		aEdgeInfo.aObj2Line3 = Point();
		aEdgeInfo.aMiddleLine = Point();
	}
    else
    {
		// control point connector drag
	    const ImpEdgeHdl* pEdgeHdl = (ImpEdgeHdl*)rDragStat.GetHdl();
		const SdrEdgeLineCode eLineCode = pEdgeHdl->GetLineCode();
		const Point aDist(rDragStat.GetNow() - rDragStat.GetStart());
        sal_Int32 nDist(pEdgeHdl->IsHorzDrag() ? aDist.X() : aDist.Y());

        nDist += aEdgeInfo.ImpGetLineVersatz(eLineCode, *pEdgeTrack);
		aEdgeInfo.ImpSetLineVersatz(eLineCode, *pEdgeTrack, nDist);
	}

	// force recalc EdgeTrack
	*pEdgeTrack = ImpCalcEdgeTrack(*pEdgeTrack, aCon1, aCon2, &aEdgeInfo);
	bEdgeTrackDirty=sal_False;

	// save EdgeInfos and mark object as user modified
	ImpSetEdgeInfoToAttr();
	bEdgeTrackUserDefined = false;
	//SetRectsDirty();
	//SetChanged();

    if(bOriginalEdgeModified && rDragStat.GetView())
    {
		// hide connect marker helper again when original gets changed.
		// This happens at the end of the interaction
		rDragStat.GetView()->HideConnectMarker();
	}

   	return true;
}

String SdrEdgeObj::getSpecialDragComment(const SdrDragStat& rDrag) const
{
    const bool bCreateComment(rDrag.GetView() && this == rDrag.GetView()->GetCreateObj());

    if(bCreateComment)
    {
        return String();
    }
    else
    {
	    XubString aStr;
	    ImpTakeDescriptionStr(STR_DragEdgeTail, aStr);

        return aStr;
    }
}

////////////////////////////////////////////////////////////////////////////////////////////////////

basegfx::B2DPolygon SdrEdgeObj::ImplAddConnectorOverlay(SdrDragMethod& rDragMethod, bool bTail1, bool bTail2, bool bDetail) const
{
	basegfx::B2DPolygon aResult;

	if(bDetail)
	{
		SdrObjConnection aMyCon1(aCon1);
		SdrObjConnection aMyCon2(aCon2);

		if (bTail1)
		{
			const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aMyCon1.aObjOfs.X(), aMyCon1.aObjOfs.Y()));
			aMyCon1.aObjOfs.X() = basegfx::fround(aTemp.getX());
			aMyCon1.aObjOfs.Y() = basegfx::fround(aTemp.getY());
		}

		if (bTail2)
		{
			const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aMyCon2.aObjOfs.X(), aMyCon2.aObjOfs.Y()));
			aMyCon2.aObjOfs.X() = basegfx::fround(aTemp.getX());
			aMyCon2.aObjOfs.Y() = basegfx::fround(aTemp.getY());
		}

		SdrEdgeInfoRec aInfo(aEdgeInfo);
		XPolygon aXP(ImpCalcEdgeTrack(*pEdgeTrack, aMyCon1, aMyCon2, &aInfo));

		if(aXP.GetPointCount())
		{
			aResult = aXP.getB2DPolygon();
		}
	}
	else
	{
		Point aPt1((*pEdgeTrack)[0]);
		Point aPt2((*pEdgeTrack)[sal_uInt16(pEdgeTrack->GetPointCount() - 1)]);

		if (aCon1.pObj && (aCon1.bBestConn || aCon1.bBestVertex))
			aPt1 = aCon1.pObj->GetSnapRect().Center();

		if (aCon2.pObj && (aCon2.bBestConn || aCon2.bBestVertex))
			aPt2 = aCon2.pObj->GetSnapRect().Center();

		if (bTail1)
		{
			const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aPt1.X(), aPt1.Y()));
			aPt1.X() = basegfx::fround(aTemp.getX());
			aPt1.Y() = basegfx::fround(aTemp.getY());
		}

		if (bTail2)
		{
			const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aPt2.X(), aPt2.Y()));
			aPt2.X() = basegfx::fround(aTemp.getX());
			aPt2.Y() = basegfx::fround(aTemp.getY());
		}

		aResult.append(basegfx::B2DPoint(aPt1.X(), aPt1.Y()));
		aResult.append(basegfx::B2DPoint(aPt2.X(), aPt2.Y()));
	}

	return aResult;
}

FASTBOOL SdrEdgeObj::BegCreate(SdrDragStat& rDragStat)
{
	rDragStat.SetNoSnap(sal_True);
	pEdgeTrack->SetPointCount(2);
	(*pEdgeTrack)[0]=rDragStat.GetStart();
	(*pEdgeTrack)[1]=rDragStat.GetNow();
	if (rDragStat.GetPageView()!=NULL) {
		ImpFindConnector(rDragStat.GetStart(),*rDragStat.GetPageView(),aCon1,this);
		ConnectToNode(sal_True,aCon1.pObj);
	}
	*pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
	return sal_True;
}

FASTBOOL SdrEdgeObj::MovCreate(SdrDragStat& rDragStat)
{
	sal_uInt16 nMax=pEdgeTrack->GetPointCount();
	(*pEdgeTrack)[nMax-1]=rDragStat.GetNow();
	if (rDragStat.GetPageView()!=NULL) {
		ImpFindConnector(rDragStat.GetNow(),*rDragStat.GetPageView(),aCon2,this);
		rDragStat.GetView()->SetConnectMarker(aCon2,*rDragStat.GetPageView());
	}
	SetBoundRectDirty();
	bSnapRectDirty=sal_True;
	ConnectToNode(sal_False,aCon2.pObj);
	*pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
	bEdgeTrackDirty=sal_False;
	return sal_True;
}

FASTBOOL SdrEdgeObj::EndCreate(SdrDragStat& rDragStat, SdrCreateCmd eCmd)
{
	FASTBOOL bOk=(eCmd==SDRCREATE_FORCEEND || rDragStat.GetPointAnz()>=2);
	if (bOk) {
		ConnectToNode(sal_True,aCon1.pObj);
		ConnectToNode(sal_False,aCon2.pObj);
		if (rDragStat.GetView()!=NULL) {
			rDragStat.GetView()->HideConnectMarker();
		}
		ImpSetEdgeInfoToAttr(); // Die Werte aus aEdgeInfo in den Pool kopieren
	}
	SetRectsDirty();
	return bOk;
}

FASTBOOL SdrEdgeObj::BckCreate(SdrDragStat& rDragStat)
{
	if (rDragStat.GetView()!=NULL) {
		rDragStat.GetView()->HideConnectMarker();
	}
	return sal_False;
}

void SdrEdgeObj::BrkCreate(SdrDragStat& rDragStat)
{
	if (rDragStat.GetView()!=NULL) {
		rDragStat.GetView()->HideConnectMarker();
	}
}

basegfx::B2DPolyPolygon SdrEdgeObj::TakeCreatePoly(const SdrDragStat& /*rStatDrag*/) const
{
	basegfx::B2DPolyPolygon aRetval;
	aRetval.append(pEdgeTrack->getB2DPolygon());
	return aRetval;
}

Pointer SdrEdgeObj::GetCreatePointer() const
{
	return Pointer(POINTER_DRAW_CONNECT);
}

FASTBOOL SdrEdgeObj::ImpFindConnector(const Point& rPt, const SdrPageView& rPV, SdrObjConnection& rCon, const SdrEdgeObj* pThis, OutputDevice* pOut)
{
	rCon.ResetVars();
	if (pOut==NULL) pOut=rPV.GetView().GetFirstOutputDevice(); // GetWin(0);
	if (pOut==NULL) return sal_False;
	SdrObjList* pOL=rPV.GetObjList();
	const SetOfByte& rVisLayer=rPV.GetVisibleLayers();
	// Sensitiver Bereich der Konnektoren ist doppelt so gross wie die Handles:
	sal_uInt16 nMarkHdSiz=rPV.GetView().GetMarkHdlSizePixel();
	Size aHalfConSiz(nMarkHdSiz,nMarkHdSiz);
	aHalfConSiz=pOut->PixelToLogic(aHalfConSiz);
	Size aHalfCenterSiz(2*aHalfConSiz.Width(),2*aHalfConSiz.Height());
	Rectangle aMouseRect(rPt,rPt);
	aMouseRect.Left()  -=aHalfConSiz.Width();
	aMouseRect.Top()   -=aHalfConSiz.Height();
	aMouseRect.Right() +=aHalfConSiz.Width();
	aMouseRect.Bottom()+=aHalfConSiz.Height();
	sal_uInt16 nBoundHitTol=(sal_uInt16)aHalfConSiz.Width()/2; if (nBoundHitTol==0) nBoundHitTol=1;
	sal_uIntPtr no=pOL->GetObjCount();
	FASTBOOL bFnd=sal_False;
	SdrObjConnection aTestCon;
	SdrObjConnection aBestCon;
	FASTBOOL bTestBoundHit=sal_False;
	//int bBestBoundHit=sal_False;

	while (no>0 && !bFnd) {
		// Problem: Gruppenobjekt mit verschiedenen Layern liefert LayerID 0 !!!!
		no--;
		SdrObject* pObj=pOL->GetObj(no);
		if (rVisLayer.IsSet(pObj->GetLayer()) && pObj->IsVisible() &&      // only visible objects
			(pThis==NULL || pObj!=(SdrObject*)pThis) && // nicht an mich selbst connecten
			pObj->IsNode())
		{
			Rectangle aObjBound(pObj->GetCurrentBoundRect());
			if (aObjBound.IsOver(aMouseRect)) {
				aTestCon.ResetVars();
				bTestBoundHit=sal_False;
				FASTBOOL bEdge=HAS_BASE(SdrEdgeObj,pObj); // kein BestCon fuer Edge
				// Die Userdefined Konnektoren haben absolute Prioritaet.
				// Danach kommt Vertex, Corner und Mitte(Best) gleich priorisiert.
				// Zum Schluss kommt noch ein HitTest aufs Obj.
				const SdrGluePointList* pGPL=pObj->GetGluePointList();
				sal_uInt16 nConAnz=pGPL==NULL ? 0 : pGPL->GetCount();
				sal_uInt16 nGesAnz=nConAnz+9;
				FASTBOOL bUserFnd=sal_False;
				sal_uIntPtr nBestDist=0xFFFFFFFF;
				for (sal_uInt16 i=0; i<nGesAnz; i++)
                {
					FASTBOOL bUser=i<nConAnz;
					FASTBOOL bVertex=i>=nConAnz+0 && i<nConAnz+4;
					FASTBOOL bCorner=i>=nConAnz+4 && i<nConAnz+8;
					FASTBOOL bCenter=i==nConAnz+8;
					FASTBOOL bOk=sal_False;
					Point aConPos;
					sal_uInt16 nConNum=i;
					if (bUser) {
						const SdrGluePoint& rGP=(*pGPL)[nConNum];
						aConPos=rGP.GetAbsolutePos(*pObj);
						nConNum=rGP.GetId();
						bOk=sal_True;
					} else if (bVertex && !bUserFnd) {
						nConNum=nConNum-nConAnz;
						if (rPV.GetView().IsAutoVertexConnectors()) {
							SdrGluePoint aPt(pObj->GetVertexGluePoint(nConNum));
							aConPos=aPt.GetAbsolutePos(*pObj);
							bOk=sal_True;
						} else i+=3;
					} else if (bCorner && !bUserFnd) {
						nConNum-=nConAnz+4;
						if (rPV.GetView().IsAutoCornerConnectors()) {
							SdrGluePoint aPt(pObj->GetCornerGluePoint(nConNum));
							aConPos=aPt.GetAbsolutePos(*pObj);
							bOk=sal_True;
						} else i+=3;
					}
					else if (bCenter && !bUserFnd && !bEdge)
					{
						// #109007#
						// Suppress default connect at object center
						if(!pThis || !pThis->GetSuppressDefaultConnect())
						{
							// Edges nicht!
							nConNum=0;
							aConPos=aObjBound.Center();
							bOk=sal_True;
						}
					}
					if (bOk && aMouseRect.IsInside(aConPos)) {
						if (bUser) bUserFnd=sal_True;
						bFnd=sal_True;
						sal_uIntPtr nDist=(sal_uIntPtr)Abs(aConPos.X()-rPt.X())+(sal_uIntPtr)Abs(aConPos.Y()-rPt.Y());
						if (nDist<nBestDist) {
							nBestDist=nDist;
							aTestCon.pObj=pObj;
							aTestCon.nConId=nConNum;
							aTestCon.bAutoCorner=bCorner;
							aTestCon.bAutoVertex=bVertex;
							aTestCon.bBestConn=sal_False; // bCenter;
							aTestCon.bBestVertex=bCenter;
						}
					}
				}
				// Falls kein Konnektor getroffen wird nochmal
				// HitTest versucht fuer BestConnector (=bCenter)
				if(!bFnd &&
                    !bEdge &&
                    SdrObjectPrimitiveHit(*pObj, rPt, nBoundHitTol, rPV, &rVisLayer, false))
				{
					// #109007#
					// Suppress default connect at object inside bound
					if(!pThis || !pThis->GetSuppressDefaultConnect())
					{
						bFnd=sal_True;
						aTestCon.pObj=pObj;
						aTestCon.bBestConn=sal_True;
					}
				}
				if (bFnd) {
					Rectangle aMouseRect2(rPt,rPt);
					aMouseRect.Left()  -=nBoundHitTol;
					aMouseRect.Top()   -=nBoundHitTol;
					aMouseRect.Right() +=nBoundHitTol;
					aMouseRect.Bottom()+=nBoundHitTol;
					bTestBoundHit=aObjBound.IsOver(aMouseRect2);
				}

			}
		}
	}
	rCon=aTestCon;
	return bFnd;
}

void SdrEdgeObj::NbcSetSnapRect(const Rectangle& rRect)
{
	const Rectangle aOld(GetSnapRect());

    if(aOld != rRect)
    {
        if(aRect.IsEmpty() && 0 == pEdgeTrack->GetPointCount())
        {
            // #i110629# When initializing, do not scale on empty Rectangle; this
            // will mirror the underlying text object (!)
            aRect = rRect;
            maSnapRect = rRect;
        }
        else
        {
	        long nMulX = rRect.Right()  - rRect.Left();
	        long nDivX = aOld.Right()   - aOld.Left();
	        long nMulY = rRect.Bottom() - rRect.Top();
	        long nDivY = aOld.Bottom()  - aOld.Top();
	        if ( nDivX == 0 ) { nMulX = 1; nDivX = 1; }
	        if ( nDivY == 0 ) { nMulY = 1; nDivY = 1; }
	        Fraction aX(nMulX, nDivX);
	        Fraction aY(nMulY, nDivY);
	        NbcResize(aOld.TopLeft(), aX, aY);
	        NbcMove(Size(rRect.Left() - aOld.Left(), rRect.Top() - aOld.Top()));
        }
    }
}

void SdrEdgeObj::NbcMove(const Size& rSiz)
{
	SdrTextObj::NbcMove(rSiz);
	MoveXPoly(*pEdgeTrack,rSiz);
}

void SdrEdgeObj::NbcResize(const Point& rRefPnt, const Fraction& aXFact, const Fraction& aYFact)
{
	SdrTextObj::NbcResize(rRefPnt,aXFact,aXFact);
	ResizeXPoly(*pEdgeTrack,rRefPnt,aXFact,aYFact);

	// #75371# if resize is not from paste, forget user distances
	if(!GetModel()->IsPasteResize())
	{
		// #75735#
		aEdgeInfo.aObj1Line2 = Point();
		aEdgeInfo.aObj1Line3 = Point();
		aEdgeInfo.aObj2Line2 = Point();
		aEdgeInfo.aObj2Line3 = Point();
		aEdgeInfo.aMiddleLine = Point();
	}
}

SdrObject* SdrEdgeObj::DoConvertToPolyObj(sal_Bool bBezier, bool bAddText) const
{
	basegfx::B2DPolyPolygon aPolyPolygon;
	aPolyPolygon.append(pEdgeTrack->getB2DPolygon());
	SdrObject* pRet = ImpConvertMakeObj(aPolyPolygon, sal_False, bBezier);

    if(bAddText)
    {
    	pRet = ImpConvertAddText(pRet, bBezier);
    }

	return pRet;
}

sal_uInt32 SdrEdgeObj::GetSnapPointCount() const
{
	return 2L;
}

Point SdrEdgeObj::GetSnapPoint(sal_uInt32 i) const
{
	((SdrEdgeObj*)this)->ImpUndirtyEdgeTrack();
	sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
	if (i==0) return (*pEdgeTrack)[0];
	else return (*pEdgeTrack)[nAnz-1];
}

sal_Bool SdrEdgeObj::IsPolyObj() const
{
	return sal_False;
}

sal_uInt32 SdrEdgeObj::GetPointCount() const
{
	return 0L;
}

Point SdrEdgeObj::GetPoint(sal_uInt32 i) const
{
	((SdrEdgeObj*)this)->ImpUndirtyEdgeTrack();
	sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
	if (0L == i)
		return (*pEdgeTrack)[0];
	else
		return (*pEdgeTrack)[nAnz-1];
}

void SdrEdgeObj::NbcSetPoint(const Point& rPnt, sal_uInt32 i)
{
	// ToDo: Umconnekten fehlt noch
	ImpUndirtyEdgeTrack();
	sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
	if (0L == i)
		(*pEdgeTrack)[0]=rPnt;
	if (1L == i)
		(*pEdgeTrack)[nAnz-1]=rPnt;
	SetEdgeTrackDirty();
	SetRectsDirty();
}

SdrEdgeObjGeoData::SdrEdgeObjGeoData()
{
	pEdgeTrack=new XPolygon;
}

SdrEdgeObjGeoData::~SdrEdgeObjGeoData()
{
	delete pEdgeTrack;
}

SdrObjGeoData* SdrEdgeObj::NewGeoData() const
{
	return new SdrEdgeObjGeoData;
}

void SdrEdgeObj::SaveGeoData(SdrObjGeoData& rGeo) const
{
	SdrTextObj::SaveGeoData(rGeo);
	SdrEdgeObjGeoData& rEGeo=(SdrEdgeObjGeoData&)rGeo;
	rEGeo.aCon1          =aCon1;
	rEGeo.aCon2          =aCon2;
	*rEGeo.pEdgeTrack    =*pEdgeTrack;
	rEGeo.bEdgeTrackDirty=bEdgeTrackDirty;
	rEGeo.bEdgeTrackUserDefined=bEdgeTrackUserDefined;
	rEGeo.aEdgeInfo      =aEdgeInfo;
}

void SdrEdgeObj::RestGeoData(const SdrObjGeoData& rGeo)
{
	SdrTextObj::RestGeoData(rGeo);
	SdrEdgeObjGeoData& rEGeo=(SdrEdgeObjGeoData&)rGeo;
	if (aCon1.pObj!=rEGeo.aCon1.pObj) {
		if (aCon1.pObj!=NULL) aCon1.pObj->RemoveListener(*this);
		aCon1=rEGeo.aCon1;
		if (aCon1.pObj!=NULL) aCon1.pObj->AddListener(*this);
	}
	if (aCon2.pObj!=rEGeo.aCon2.pObj) {
		if (aCon2.pObj!=NULL) aCon2.pObj->RemoveListener(*this);
		aCon2=rEGeo.aCon2;
		if (aCon2.pObj!=NULL) aCon2.pObj->AddListener(*this);
	}
	*pEdgeTrack    =*rEGeo.pEdgeTrack;
	bEdgeTrackDirty=rEGeo.bEdgeTrackDirty;
	bEdgeTrackUserDefined=rEGeo.bEdgeTrackUserDefined;
	aEdgeInfo      =rEGeo.aEdgeInfo;
}

Point SdrEdgeObj::GetTailPoint( sal_Bool bTail ) const
{
	if( pEdgeTrack && pEdgeTrack->GetPointCount()!=0)
	{
		const XPolygon& rTrack0 = *pEdgeTrack;
		if(bTail)
		{
			return rTrack0[0];
		}
		else
		{
			const sal_uInt16 nSiz = rTrack0.GetPointCount() - 1;
			return rTrack0[nSiz];
		}
	}
	else
	{
		if(bTail)
			return aOutRect.TopLeft();
		else
			return aOutRect.BottomRight();
	}

}

void SdrEdgeObj::SetTailPoint( sal_Bool bTail, const Point& rPt )
{
	ImpSetTailPoint( bTail, rPt );
	SetChanged();
}

/** this method is used by the api to set a glue point for a connection
	nId == -1 :		The best default point is automaticly choosen
	0 <= nId <= 3 : One of the default points is choosen
	nId >= 4 :		A user defined glue point is choosen
*/
void SdrEdgeObj::setGluePointIndex( sal_Bool bTail, sal_Int32 nIndex /* = -1 */ )
{
	Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetCurrentBoundRect();
	// #110094#-14 BroadcastObjectChange();

	SdrObjConnection& rConn1 = GetConnection( bTail );

	rConn1.SetAutoVertex( nIndex >= 0 && nIndex <= 3 );
	rConn1.SetBestConnection( nIndex < 0 );
	rConn1.SetBestVertex( nIndex < 0 );

	if( nIndex > 3 )
	{
//		nIndex -= 4;
		nIndex -= 3;		// SJ: the start api index is 0, whereas the implementation in svx starts from 1

		// for user defined glue points we have
		// to get the id for this index first
		const SdrGluePointList* pList = rConn1.GetObject() ? rConn1.GetObject()->GetGluePointList() : NULL;
		if( pList == NULL || SDRGLUEPOINT_NOTFOUND == pList->FindGluePoint((sal_uInt16)nIndex) )
			return;
	}
	else if( nIndex < 0 )
	{
		nIndex = 0;
	}

	rConn1.SetConnectorId( (sal_uInt16)nIndex );

	SetChanged();
	SetRectsDirty();
	ImpRecalcEdgeTrack();
	// bEdgeTrackDirty=sal_True;
}

/** this method is used by the api to return a glue point id for a connection.
	See setGluePointId for possible return values */
sal_Int32 SdrEdgeObj::getGluePointIndex( sal_Bool bTail )
{
	SdrObjConnection& rConn1 = GetConnection( bTail );
	sal_Int32 nId = -1;
	if( !rConn1.IsBestConnection() )
	{
		nId = rConn1.GetConnectorId();
		if( !rConn1.IsAutoVertex() )
//			nId += 4;
			nId += 3;		// SJ: the start api index is 0, whereas the implementation in svx starts from 1
	}
	return nId;
}

// #102344# Implementation was missing; edge track needs to be invalidated additionally.
void SdrEdgeObj::NbcSetAnchorPos(const Point& rPnt)
{
	// call parent functionality
	SdrTextObj::NbcSetAnchorPos(rPnt);

	// Additionally, invalidate edge track
	ImpDirtyEdgeTrack();
}

sal_Bool SdrEdgeObj::TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegfx::B2DPolyPolygon& rPolyPolygon) const
{
	// use base method from SdrObject, it's not rotatable and
	// a call to GetSnapRect() is used. That's what we need for Connector.
	return SdrObject::TRGetBaseGeometry(rMatrix, rPolyPolygon);
}

void SdrEdgeObj::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& rPolyPolygon)
{
	// evtl. take care for existing connections. For now, just use the
	// implementation from SdrObject.
	SdrObject::TRSetBaseGeometry(rMatrix, rPolyPolygon);
}

// for geometry access
::basegfx::B2DPolygon SdrEdgeObj::getEdgeTrack() const
{
	if(bEdgeTrackDirty)
	{
		const_cast< SdrEdgeObj* >(this)->ImpRecalcEdgeTrack();
	}

	if(pEdgeTrack)
	{
		return pEdgeTrack->getB2DPolygon();
	}
	else
	{
		return ::basegfx::B2DPolygon();
	}
}

//////////////////////////////////////////////////////////////////////////////
// eof