AOO410/main/svx/source/svdraw/svdocirc.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_svx.hxx"
#include <svl/style.hxx>
#include <tools/bigint.hxx>
#include <svx/xlnwtit.hxx>
#include <svx/xlnedwit.hxx>
#include <svx/xlnstwit.hxx>
#include <svx/xlnstit.hxx>
#include <svx/xlnedit.hxx>
#include <svx/svdocirc.hxx>
#include <math.h>
#include <svx/xpool.hxx>
#include <svx/svdattr.hxx>
#include <svx/svdpool.hxx>
#include <svx/svdattrx.hxx>
#include <svx/svdtrans.hxx>
#include <svx/svdetc.hxx>
#include <svx/svddrag.hxx>
#include <svx/svdmodel.hxx>
#include <svx/svdpage.hxx>
#include <svx/svdopath.hxx> // fuer die Objektkonvertierung
#include <svx/svdview.hxx>  // Zum Draggen (Ortho)
#include "svx/svdglob.hxx"   // StringCache
#include "svx/svdstr.hrc"    // Objektname
#include <editeng/eeitem.hxx>
#include "svdoimp.hxx"
#include <svx/sdr/properties/circleproperties.hxx>
#include <svx/sdr/contact/viewcontactofsdrcircobj.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>

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

Point GetWinkPnt(const Rectangle& rR, long nWink)
{
	Point aCenter(rR.Center());
	long nWdt=rR.Right()-rR.Left();
	long nHgt=rR.Bottom()-rR.Top();
	long nMaxRad=((nWdt>nHgt ? nWdt : nHgt)+1) /2;
	double a;
	a=nWink*nPi180;
	Point aRetval(Round(cos(a)*nMaxRad),-Round(sin(a)*nMaxRad));
	if (nWdt==0) aRetval.X()=0;
	if (nHgt==0) aRetval.Y()=0;
	if (nWdt!=nHgt) {
		if (nWdt>nHgt) {
			if (nWdt!=0) {
				// eventuelle Ueberlaeufe bei sehr grossen Objekten abfangen (Bug 23384)
				if (Abs(nHgt)>32767 || Abs(aRetval.Y())>32767) {
					aRetval.Y()=BigMulDiv(aRetval.Y(),nHgt,nWdt);
				} else {
					aRetval.Y()=aRetval.Y()*nHgt/nWdt;
				}
			}
		} else {
			if (nHgt!=0) {
				// eventuelle Ueberlaeufe bei sehr grossen Objekten abfangen (Bug 23384)
				if (Abs(nWdt)>32767 || Abs(aRetval.X())>32767) {
					aRetval.X()=BigMulDiv(aRetval.X(),nWdt,nHgt);
				} else {
					aRetval.X()=aRetval.X()*nWdt/nHgt;
				}
			}
		}
	}
	aRetval+=aCenter;
    return aRetval;
}

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

sdr::properties::BaseProperties* SdrCircObj::CreateObjectSpecificProperties()
{
	return new sdr::properties::CircleProperties(*this);
}

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

sdr::contact::ViewContact* SdrCircObj::CreateObjectSpecificViewContact()
{
	return new sdr::contact::ViewContactOfSdrCircObj(*this);
}

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

TYPEINIT1(SdrCircObj,SdrRectObj);

SdrCircObj::SdrCircObj(SdrObjKind eNewKind)
{
	nStartWink=0;
	nEndWink=36000;
	meCircleKind=eNewKind;
	bClosedObj=eNewKind!=OBJ_CARC;
}

SdrCircObj::SdrCircObj(SdrObjKind eNewKind, const Rectangle& rRect):
	SdrRectObj(rRect)
{
	nStartWink=0;
	nEndWink=36000;
	meCircleKind=eNewKind;
	bClosedObj=eNewKind!=OBJ_CARC;
}

SdrCircObj::SdrCircObj(SdrObjKind eNewKind, const Rectangle& rRect, long nNewStartWink, long nNewEndWink):
	SdrRectObj(rRect)
{
	long nWinkDif=nNewEndWink-nNewStartWink;
	nStartWink=NormAngle360(nNewStartWink);
	nEndWink=NormAngle360(nNewEndWink);
	if (nWinkDif==36000) nEndWink+=nWinkDif; // Vollkreis
	meCircleKind=eNewKind;
	bClosedObj=eNewKind!=OBJ_CARC;
}

SdrCircObj::~SdrCircObj()
{
}

void SdrCircObj::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const
{
	FASTBOOL bCanConv=!HasText() || ImpCanConvTextToCurve();
	rInfo.bEdgeRadiusAllowed	= sal_False;
	rInfo.bCanConvToPath=bCanConv;
	rInfo.bCanConvToPoly=bCanConv;
	rInfo.bCanConvToContour = !IsFontwork() && (rInfo.bCanConvToPoly || LineGeometryUsageIsNecessary());
}

sal_uInt16 SdrCircObj::GetObjIdentifier() const
{
	return sal_uInt16(meCircleKind);
}

FASTBOOL SdrCircObj::PaintNeedsXPolyCirc() const
{
	// XPoly ist notwendig fuer alle gedrehten Ellipsenobjekte,
	// fuer alle Kreis- und Ellipsenabschnitte
	// und wenn nicht WIN dann (erstmal) auch fuer Kreis-/Ellipsenausschnitte
	// und Kreis-/Ellipsenboegen (wg. Genauigkeit)
	FASTBOOL bNeed=aGeo.nDrehWink!=0 || aGeo.nShearWink!=0 || meCircleKind==OBJ_CCUT;
	// Wenn nicht Win, dann fuer alle ausser Vollkreis (erstmal!!!)
	if (meCircleKind!=OBJ_CIRC) bNeed=sal_True;

	const SfxItemSet& rSet = GetObjectItemSet();
	if(!bNeed)
	{
		// XPoly ist notwendig fuer alles was nicht LineSolid oder LineNone ist
		XLineStyle eLine = ((XLineStyleItem&)(rSet.Get(XATTR_LINESTYLE))).GetValue();
		bNeed = eLine != XLINE_NONE && eLine != XLINE_SOLID;

		// XPoly ist notwendig fuer dicke Linien
		if(!bNeed && eLine != XLINE_NONE)
			bNeed = ((XLineWidthItem&)(rSet.Get(XATTR_LINEWIDTH))).GetValue() != 0;

		// XPoly ist notwendig fuer Kreisboegen mit Linienenden
		if(!bNeed && meCircleKind == OBJ_CARC)
		{
			// Linienanfang ist da, wenn StartPolygon und StartWidth!=0
			bNeed=((XLineStartItem&)(rSet.Get(XATTR_LINESTART))).GetLineStartValue().count() != 0L &&
				  ((XLineStartWidthItem&)(rSet.Get(XATTR_LINESTARTWIDTH))).GetValue() != 0;

			if(!bNeed)
			{
				// Linienende ist da, wenn EndPolygon und EndWidth!=0
				bNeed = ((XLineEndItem&)(rSet.Get(XATTR_LINEEND))).GetLineEndValue().count() != 0L &&
						((XLineEndWidthItem&)(rSet.Get(XATTR_LINEENDWIDTH))).GetValue() != 0;
			}
		}
	}

	// XPoly ist notwendig, wenn Fill !=None und !=Solid
	if(!bNeed && meCircleKind != OBJ_CARC)
	{
		XFillStyle eFill=((XFillStyleItem&)(rSet.Get(XATTR_FILLSTYLE))).GetValue();
		bNeed = eFill != XFILL_NONE && eFill != XFILL_SOLID;
	}

	if(!bNeed && meCircleKind != OBJ_CIRC && nStartWink == nEndWink)
		bNeed=sal_True; // Weil sonst Vollkreis gemalt wird

	return bNeed;
}

basegfx::B2DPolygon SdrCircObj::ImpCalcXPolyCirc(const SdrObjKind eCicrleKind, const Rectangle& rRect1, long nStart, long nEnd) const
{
	const basegfx::B2DRange aRange(rRect1.Left(), rRect1.Top(), rRect1.Right(), rRect1.Bottom());
	basegfx::B2DPolygon aCircPolygon;
	
	if(OBJ_CIRC == eCicrleKind)
	{
		// create full circle. Do not use createPolygonFromEllipse; it's necessary 
        // to get the start point to the bottom of the circle to keep compatible to 
        // old geometry creation
        aCircPolygon = basegfx::tools::createPolygonFromUnitCircle(1);

		// needs own scaling and translation from unit circle to target size (same as
        // would be in createPolygonFromEllipse)
		const basegfx::B2DPoint aCenter(aRange.getCenter());
		const basegfx::B2DHomMatrix aMatrix(basegfx::tools::createScaleTranslateB2DHomMatrix(
			aRange.getWidth() / 2.0, aRange.getHeight() / 2.0,
			aCenter.getX(), aCenter.getY()));
		aCircPolygon.transform(aMatrix);
	}
	else
	{
		// mirror start, end for geometry creation since model coordinate system is mirrored in Y
        // #i111715# increase numerical correctness by first dividing and not using F_PI1800
		const double fStart((((36000 - nEnd) % 36000) / 18000.0) * F_PI);
		const double fEnd((((36000 - nStart) % 36000) / 18000.0) * F_PI);

		// create circle segment. This is not closed by default
		aCircPolygon = basegfx::tools::createPolygonFromEllipseSegment(
            aRange.getCenter(), aRange.getWidth() / 2.0, aRange.getHeight() / 2.0, 
            fStart, fEnd);

		// check closing states
		const bool bCloseSegment(OBJ_CARC != eCicrleKind);
		const bool bCloseUsingCenter(OBJ_SECT == eCicrleKind);

		if(bCloseSegment)
		{
			if(bCloseUsingCenter)
			{
				// add center point at start (for historical reasons)
				basegfx::B2DPolygon aSector;
				aSector.append(aRange.getCenter());
				aSector.append(aCircPolygon);
				aCircPolygon = aSector;
			}

			// close
			aCircPolygon.setClosed(true);
		}
	}

	// #i76950#
	if(aGeo.nShearWink || aGeo.nDrehWink)
	{
		// translate top left to (0,0)
		const basegfx::B2DPoint aTopLeft(aRange.getMinimum());
        basegfx::B2DHomMatrix aMatrix(basegfx::tools::createTranslateB2DHomMatrix(
            -aTopLeft.getX(), -aTopLeft.getY()));

		// shear, rotate and back to top left (if needed)
        aMatrix = basegfx::tools::createShearXRotateTranslateB2DHomMatrix(
            aGeo.nShearWink ? tan((36000 - aGeo.nShearWink) * F_PI18000) : 0.0,
            aGeo.nDrehWink ? (36000 - aGeo.nDrehWink) * F_PI18000 : 0.0,
            aTopLeft) * aMatrix;

		// apply transformation
		aCircPolygon.transform(aMatrix);
	}

	return aCircPolygon;
}

void SdrCircObj::RecalcXPoly()
{
	const basegfx::B2DPolygon aPolyCirc(ImpCalcXPolyCirc(meCircleKind, aRect, nStartWink, nEndWink));
	mpXPoly = new XPolygon(aPolyCirc);
}

void SdrCircObj::TakeObjNameSingul(XubString& rName) const
{
	sal_uInt16 nID=STR_ObjNameSingulCIRC;
	if (aRect.GetWidth()==aRect.GetHeight() && aGeo.nShearWink==0) {
		switch (meCircleKind) {
			case OBJ_CIRC: nID=STR_ObjNameSingulCIRC; break;
			case OBJ_SECT: nID=STR_ObjNameSingulSECT; break;
			case OBJ_CARC: nID=STR_ObjNameSingulCARC; break;
			case OBJ_CCUT: nID=STR_ObjNameSingulCCUT; break;
			default: break;
		}
	} else {
		switch (meCircleKind) {
			case OBJ_CIRC: nID=STR_ObjNameSingulCIRCE; break;
			case OBJ_SECT: nID=STR_ObjNameSingulSECTE; break;
			case OBJ_CARC: nID=STR_ObjNameSingulCARCE; break;
			case OBJ_CCUT: nID=STR_ObjNameSingulCCUTE; break;
			default: break;
		}
	}
	rName=ImpGetResStr(nID);

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

void SdrCircObj::TakeObjNamePlural(XubString& rName) const
{
	sal_uInt16 nID=STR_ObjNamePluralCIRC;
	if (aRect.GetWidth()==aRect.GetHeight() && aGeo.nShearWink==0) {
		switch (meCircleKind) {
			case OBJ_CIRC: nID=STR_ObjNamePluralCIRC; break;
			case OBJ_SECT: nID=STR_ObjNamePluralSECT; break;
			case OBJ_CARC: nID=STR_ObjNamePluralCARC; break;
			case OBJ_CCUT: nID=STR_ObjNamePluralCCUT; break;
			default: break;
		}
	} else {
		switch (meCircleKind) {
			case OBJ_CIRC: nID=STR_ObjNamePluralCIRCE; break;
			case OBJ_SECT: nID=STR_ObjNamePluralSECTE; break;
			case OBJ_CARC: nID=STR_ObjNamePluralCARCE; break;
			case OBJ_CCUT: nID=STR_ObjNamePluralCCUTE; break;
			default: break;
		}
	}
	rName=ImpGetResStr(nID);
}

void SdrCircObj::operator=(const SdrObject& rObj)
{
	SdrRectObj::operator=(rObj);

	nStartWink = ((SdrCircObj&)rObj).nStartWink;
	nEndWink = ((SdrCircObj&)rObj).nEndWink;
}

basegfx::B2DPolyPolygon SdrCircObj::TakeXorPoly() const
{
	const basegfx::B2DPolygon aCircPolygon(ImpCalcXPolyCirc(meCircleKind, aRect, nStartWink, nEndWink));
	return basegfx::B2DPolyPolygon(aCircPolygon);
}

struct ImpCircUser : public SdrDragStatUserData
{
	Rectangle					aR;
	Point						aCenter;
	Point						aRadius;
	Point						aP1;
	Point						aP2;
	long						nMaxRad;
	long						nHgt;
	long						nWdt;
	long						nStart;
	long						nEnd;
	long						nWink;
	FASTBOOL					bRight; // noch nicht implementiert

public:
	ImpCircUser()
	:	nMaxRad(0),
		nHgt(0),
		nWdt(0),
		nStart(0),
		nEnd(0),
		bRight(sal_False)
	{}
	void SetCreateParams(SdrDragStat& rStat);
};

sal_uInt32 SdrCircObj::GetHdlCount() const
{
	if(OBJ_CIRC != meCircleKind) 
	{
		return 10L;
	} 
	else 
	{
		return 8L;
	}
}

SdrHdl* SdrCircObj::GetHdl(sal_uInt32 nHdlNum) const
{
	if (meCircleKind==OBJ_CIRC) 
    {
		nHdlNum += 2L;
    }

    SdrHdl* pH = NULL;
	Point aPnt;
	SdrHdlKind eLocalKind(HDL_MOVE);
	sal_uInt32 nPNum(0);

    switch (nHdlNum) 
    {
		case 0: 
            aPnt = GetWinkPnt(aRect,nStartWink); 
            eLocalKind = HDL_CIRC; 
            nPNum = 1; 
            break;
		case 1: 
            aPnt = GetWinkPnt(aRect,nEndWink); 
            eLocalKind = HDL_CIRC; 
            nPNum = 2L; 
            break;
		case 2: 
            aPnt = aRect.TopLeft();
            eLocalKind = HDL_UPLFT; 
            break;
		case 3: 
            aPnt = aRect.TopCenter();
            eLocalKind = HDL_UPPER; 
            break;
		case 4: 
            aPnt = aRect.TopRight();
            eLocalKind = HDL_UPRGT;
            break;
		case 5: 
            aPnt = aRect.LeftCenter();
            eLocalKind = HDL_LEFT;
            break;
		case 6: 
            aPnt = aRect.RightCenter();
            eLocalKind = HDL_RIGHT;
            break;
		case 7: 
            aPnt = aRect.BottomLeft();
            eLocalKind = HDL_LWLFT;
            break;
		case 8: 
            aPnt = aRect.BottomCenter();
            eLocalKind = HDL_LOWER; 
            break;
		case 9: 
            aPnt = aRect.BottomRight();
            eLocalKind = HDL_LWRGT; 
            break;
	}
	
    if (aGeo.nShearWink) 
    {
        ShearPoint(aPnt,aRect.TopLeft(),aGeo.nTan);
    }

	if (aGeo.nDrehWink) 
    {
        RotatePoint(aPnt,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
    }

	if (eLocalKind != HDL_MOVE) 
    {
		pH = new SdrHdl(aPnt,eLocalKind);
		pH->SetPointNum(nPNum);
		pH->SetObj((SdrObject*)this);
		pH->SetDrehWink(aGeo.nDrehWink);
	}

    return pH;
}

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

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

bool SdrCircObj::beginSpecialDrag(SdrDragStat& rDrag) const
{
	const bool bWink(rDrag.GetHdl() && HDL_CIRC == rDrag.GetHdl()->GetKind());

	if(bWink) 
	{
		if(1 == rDrag.GetHdl()->GetPointNum() || 2 == rDrag.GetHdl()->GetPointNum()) 
		{
			rDrag.SetNoSnap(true);
		}

		return true;
	} 

    return SdrTextObj::beginSpecialDrag(rDrag);
}

bool SdrCircObj::applySpecialDrag(SdrDragStat& rDrag)
{
	const bool bWink(rDrag.GetHdl() && HDL_CIRC == rDrag.GetHdl()->GetKind());

	if(bWink) 
	{
		Point aPt(rDrag.GetNow());

        if (aGeo.nDrehWink!=0) 
            RotatePoint(aPt,aRect.TopLeft(),-aGeo.nSin,aGeo.nCos);

        if (aGeo.nShearWink!=0) 
            ShearPoint(aPt,aRect.TopLeft(),-aGeo.nTan);

        aPt-=aRect.Center();

        long nWdt=aRect.Right()-aRect.Left();
		long nHgt=aRect.Bottom()-aRect.Top();

        if(nWdt>=nHgt) 
        {
			aPt.Y()=BigMulDiv(aPt.Y(),nWdt,nHgt);
		} 
        else 
        {
			aPt.X()=BigMulDiv(aPt.X(),nHgt,nWdt);
		}
		
        long nWink=NormAngle360(GetAngle(aPt));
		
        if (rDrag.GetView() && rDrag.GetView()->IsAngleSnapEnabled()) 
        {
			long nSA=rDrag.GetView()->GetSnapAngle();

            if (nSA!=0) 
            {
				nWink+=nSA/2;
				nWink/=nSA;
				nWink*=nSA;
				nWink=NormAngle360(nWink);
			}
		}

		if(1 == rDrag.GetHdl()->GetPointNum()) 
		{
			nStartWink = nWink;
		}
		else if(2 == rDrag.GetHdl()->GetPointNum()) 
		{
			nEndWink = nWink;
		}

		SetRectsDirty();
		SetXPolyDirty();
		ImpSetCircInfoToAttr();
		SetChanged();

		return true;
	} 
	else 
	{
		return SdrTextObj::applySpecialDrag(rDrag);
	}
}

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

    if(bCreateComment)
    {
		XubString aStr;
		ImpTakeDescriptionStr(STR_ViewCreateObj, aStr);
		const sal_uInt32 nPntAnz(rDrag.GetPointAnz());

		if(OBJ_CIRC != meCircleKind && nPntAnz > 2)
		{
			ImpCircUser* pU = (ImpCircUser*)rDrag.GetUser();
			sal_Int32 nWink;

			aStr.AppendAscii(" (");

			if(3 == nPntAnz)
            {
				nWink = pU->nStart;
            }
			else
            {
				nWink = pU->nEnd;
            }

			aStr += GetWinkStr(nWink,sal_False);
			aStr += sal_Unicode(')');
		}

        return aStr;
    }
    else
    {
	    const bool bWink(rDrag.GetHdl() && HDL_CIRC == rDrag.GetHdl()->GetKind());

	    if(bWink)
	    {
		    XubString aStr;
            const sal_Int32 nWink(1 == rDrag.GetHdl()->GetPointNum() ? nStartWink : nEndWink);

		    ImpTakeDescriptionStr(STR_DragCircAngle, aStr);
		    aStr.AppendAscii(" (");
		    aStr += GetWinkStr(nWink,sal_False);
		    aStr += sal_Unicode(')');

		    return aStr;
	    }
	    else
	    {
		    return SdrTextObj::getSpecialDragComment(rDrag);
	    }
    }
}

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

void ImpCircUser::SetCreateParams(SdrDragStat& rStat)
{
	rStat.TakeCreateRect(aR);
	aR.Justify();
	aCenter=aR.Center();
	nWdt=aR.Right()-aR.Left();
	nHgt=aR.Bottom()-aR.Top();
	nMaxRad=((nWdt>nHgt ? nWdt : nHgt)+1) /2;
	nStart=0;
	nEnd=36000;
	if (rStat.GetPointAnz()>2) {
		Point aP(rStat.GetPoint(2)-aCenter);
		if (nWdt==0) aP.X()=0;
		if (nHgt==0) aP.Y()=0;
		if (nWdt>=nHgt) {
			if (nHgt!=0) aP.Y()=aP.Y()*nWdt/nHgt;
		} else {
			if (nWdt!=0) aP.X()=aP.X()*nHgt/nWdt;
		}
		nStart=NormAngle360(GetAngle(aP));
		if (rStat.GetView()!=NULL && rStat.GetView()->IsAngleSnapEnabled()) {
			long nSA=rStat.GetView()->GetSnapAngle();
			if (nSA!=0) { // Winkelfang
				nStart+=nSA/2;
				nStart/=nSA;
				nStart*=nSA;
				nStart=NormAngle360(nStart);
			}
		}
		aP1 = GetWinkPnt(aR,nStart);
		nEnd=nStart;
		aP2=aP1;
	} else aP1=aCenter;
	if (rStat.GetPointAnz()>3) {
		Point aP(rStat.GetPoint(3)-aCenter);
		if (nWdt>=nHgt) {
			aP.Y()=BigMulDiv(aP.Y(),nWdt,nHgt);
		} else {
			aP.X()=BigMulDiv(aP.X(),nHgt,nWdt);
		}
		nEnd=NormAngle360(GetAngle(aP));
		if (rStat.GetView()!=NULL && rStat.GetView()->IsAngleSnapEnabled()) {
			long nSA=rStat.GetView()->GetSnapAngle();
			if (nSA!=0) { // Winkelfang
				nEnd+=nSA/2;
				nEnd/=nSA;
				nEnd*=nSA;
				nEnd=NormAngle360(nEnd);
			}
		}
		aP2 = GetWinkPnt(aR,nEnd);
	} else aP2=aCenter;
}

void SdrCircObj::ImpSetCreateParams(SdrDragStat& rStat) const
{
	ImpCircUser* pU=(ImpCircUser*)rStat.GetUser();
	if (pU==NULL) {
		pU=new ImpCircUser;
		rStat.SetUser(pU);
	}
	pU->SetCreateParams(rStat);
}

FASTBOOL SdrCircObj::BegCreate(SdrDragStat& rStat)
{
	rStat.SetOrtho4Possible();
	Rectangle aRect1(rStat.GetStart(), rStat.GetNow());
	aRect1.Justify();
	rStat.SetActionRect(aRect1);
	aRect = aRect1;
	ImpSetCreateParams(rStat);
	return sal_True;
}

FASTBOOL SdrCircObj::MovCreate(SdrDragStat& rStat)
{
	ImpSetCreateParams(rStat);
	ImpCircUser* pU=(ImpCircUser*)rStat.GetUser();
	rStat.SetActionRect(pU->aR);
	aRect=pU->aR; // fuer ObjName
	ImpJustifyRect(aRect);
	nStartWink=pU->nStart;
	nEndWink=pU->nEnd;
	SetBoundRectDirty();
	bSnapRectDirty=sal_True;
	SetXPolyDirty();

    // #i103058# push current angle settings to ItemSet to
    // allow FullDrag visualisation
    if(rStat.GetPointAnz() >= 4)
    {
        ImpSetCircInfoToAttr();
    }

	return sal_True;
}

FASTBOOL SdrCircObj::EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd)
{
	ImpSetCreateParams(rStat);
	ImpCircUser* pU=(ImpCircUser*)rStat.GetUser();
	FASTBOOL bRet=sal_False;
	if (eCmd==SDRCREATE_FORCEEND && rStat.GetPointAnz()<4) meCircleKind=OBJ_CIRC;
	if (meCircleKind==OBJ_CIRC) {
		bRet=rStat.GetPointAnz()>=2;
		if (bRet) {
			aRect=pU->aR;
			ImpJustifyRect(aRect);
		}
	} else {
		rStat.SetNoSnap(rStat.GetPointAnz()>=2);
		rStat.SetOrtho4Possible(rStat.GetPointAnz()<2);
		bRet=rStat.GetPointAnz()>=4;
		if (bRet) {
			aRect=pU->aR;
			ImpJustifyRect(aRect);
			nStartWink=pU->nStart;
			nEndWink=pU->nEnd;
		}
	}
	bClosedObj=meCircleKind!=OBJ_CARC;
	SetRectsDirty();
	SetXPolyDirty();
	ImpSetCircInfoToAttr();
	if (bRet) {
		delete pU;
		rStat.SetUser(NULL);
	}
	return bRet;
}

void SdrCircObj::BrkCreate(SdrDragStat& rStat)
{
	ImpCircUser* pU=(ImpCircUser*)rStat.GetUser();
	delete pU;
	rStat.SetUser(NULL);
}

FASTBOOL SdrCircObj::BckCreate(SdrDragStat& rStat)
{
	rStat.SetNoSnap(rStat.GetPointAnz()>=3);
	rStat.SetOrtho4Possible(rStat.GetPointAnz()<3);
	return meCircleKind!=OBJ_CIRC;
}

basegfx::B2DPolyPolygon SdrCircObj::TakeCreatePoly(const SdrDragStat& rDrag) const
{
	ImpCircUser* pU = (ImpCircUser*)rDrag.GetUser();

	if(rDrag.GetPointAnz() < 4L)
	{
		// force to OBJ_CIRC to get full visualisation
		basegfx::B2DPolyPolygon aRetval(ImpCalcXPolyCirc(OBJ_CIRC, pU->aR, pU->nStart, pU->nEnd));

		if(3L == rDrag.GetPointAnz()) 
		{
			// add edge to first point on ellipse
			basegfx::B2DPolygon aNew;
			
			aNew.append(basegfx::B2DPoint(pU->aCenter.X(), pU->aCenter.Y()));
			aNew.append(basegfx::B2DPoint(pU->aP1.X(), pU->aP1.Y()));
			aRetval.append(aNew);
		}

		return aRetval;
	}
	else
	{
		return basegfx::B2DPolyPolygon(ImpCalcXPolyCirc(meCircleKind, pU->aR, pU->nStart, pU->nEnd));
	}
}

Pointer SdrCircObj::GetCreatePointer() const
{
	switch (meCircleKind) {
		case OBJ_CIRC: return Pointer(POINTER_DRAW_ELLIPSE);
		case OBJ_SECT: return Pointer(POINTER_DRAW_PIE);
		case OBJ_CARC: return Pointer(POINTER_DRAW_ARC);
		case OBJ_CCUT: return Pointer(POINTER_DRAW_CIRCLECUT);
		default: break;
	} // switch
	return Pointer(POINTER_CROSS);
}

void SdrCircObj::NbcMove(const Size& aSiz)
{
	MoveRect(aRect,aSiz);
	MoveRect(aOutRect,aSiz);
	MoveRect(maSnapRect,aSiz);
	SetXPolyDirty();
	SetRectsDirty(sal_True);
}

void SdrCircObj::NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact)
{
	long nWink0=aGeo.nDrehWink;
	FASTBOOL bNoShearRota=(aGeo.nDrehWink==0 && aGeo.nShearWink==0);
	SdrTextObj::NbcResize(rRef,xFact,yFact);
	bNoShearRota|=(aGeo.nDrehWink==0 && aGeo.nShearWink==0);
	if (meCircleKind!=OBJ_CIRC) {
		FASTBOOL bXMirr=(xFact.GetNumerator()<0) != (xFact.GetDenominator()<0);
		FASTBOOL bYMirr=(yFact.GetNumerator()<0) != (yFact.GetDenominator()<0);
		if (bXMirr || bYMirr) {
			// bei bXMirr!=bYMirr muessten eigentlich noch die beiden
			// Linienende vertauscht werden. Das ist jedoch mal wieder
			// schlecht (wg. zwangslaeufiger harter Formatierung).
			// Alternativ koennte ein bMirrored-Flag eingefuehrt werden
			// (Vielleicht ja mal grundsaetzlich, auch fuer gepiegelten Text, ...).
			long nS0=nStartWink;
			long nE0=nEndWink;
			if (bNoShearRota) {
				// Das RectObj spiegelt bei VMirror bereits durch durch 180deg Drehung.
				if (! (bXMirr && bYMirr)) {
					long nTmp=nS0;
					nS0=18000-nE0;
					nE0=18000-nTmp;
				}
			} else { // Spiegeln fuer verzerrte Ellipsen
				if (bXMirr!=bYMirr) {
					nS0+=nWink0;
					nE0+=nWink0;
					if (bXMirr) {
						long nTmp=nS0;
						nS0=18000-nE0;
						nE0=18000-nTmp;
					}
					if (bYMirr) {
						long nTmp=nS0;
						nS0=-nE0;
						nE0=-nTmp;
					}
					nS0-=aGeo.nDrehWink;
					nE0-=aGeo.nDrehWink;
				}
			}
			long nWinkDif=nE0-nS0;
			nStartWink=NormAngle360(nS0);
			nEndWink  =NormAngle360(nE0);
			if (nWinkDif==36000) nEndWink+=nWinkDif; // Vollkreis
		}
	}
	SetXPolyDirty();
	ImpSetCircInfoToAttr();
}

void SdrCircObj::NbcShear(const Point& rRef, long nWink, double tn, FASTBOOL bVShear)
{
	SdrTextObj::NbcShear(rRef,nWink,tn,bVShear);
	SetXPolyDirty();
	ImpSetCircInfoToAttr();
}

void SdrCircObj::NbcMirror(const Point& rRef1, const Point& rRef2)
{
	//long nWink0=aGeo.nDrehWink;
	FASTBOOL bFreeMirr=meCircleKind!=OBJ_CIRC;
	Point aTmpPt1;
	Point aTmpPt2;
	if (bFreeMirr) { // bei freier Spiegelachse einige Vorbereitungen Treffen
		Point aCenter(aRect.Center());
		long nWdt=aRect.GetWidth()-1;
		long nHgt=aRect.GetHeight()-1;
		long nMaxRad=((nWdt>nHgt ? nWdt : nHgt)+1) /2;
		double a;
		// Startpunkt
		a=nStartWink*nPi180;
		aTmpPt1=Point(Round(cos(a)*nMaxRad),-Round(sin(a)*nMaxRad));
		if (nWdt==0) aTmpPt1.X()=0;
		if (nHgt==0) aTmpPt1.Y()=0;
		aTmpPt1+=aCenter;
		// Endpunkt
		a=nEndWink*nPi180;
		aTmpPt2=Point(Round(cos(a)*nMaxRad),-Round(sin(a)*nMaxRad));
		if (nWdt==0) aTmpPt2.X()=0;
		if (nHgt==0) aTmpPt2.Y()=0;
		aTmpPt2+=aCenter;
		if (aGeo.nDrehWink!=0) {
			RotatePoint(aTmpPt1,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
			RotatePoint(aTmpPt2,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
		}
		if (aGeo.nShearWink!=0) {
			ShearPoint(aTmpPt1,aRect.TopLeft(),aGeo.nTan);
			ShearPoint(aTmpPt2,aRect.TopLeft(),aGeo.nTan);
		}
	}
	SdrTextObj::NbcMirror(rRef1,rRef2);
	if (meCircleKind!=OBJ_CIRC) { // Anpassung von Start- und Endwinkel
		MirrorPoint(aTmpPt1,rRef1,rRef2);
		MirrorPoint(aTmpPt2,rRef1,rRef2);
		// Unrotate:
		if (aGeo.nDrehWink!=0) {
			RotatePoint(aTmpPt1,aRect.TopLeft(),-aGeo.nSin,aGeo.nCos); // -sin fuer Umkehrung
			RotatePoint(aTmpPt2,aRect.TopLeft(),-aGeo.nSin,aGeo.nCos); // -sin fuer Umkehrung
		}
		// Unshear:
		if (aGeo.nShearWink!=0) {
			ShearPoint(aTmpPt1,aRect.TopLeft(),-aGeo.nTan); // -tan fuer Umkehrung
			ShearPoint(aTmpPt2,aRect.TopLeft(),-aGeo.nTan); // -tan fuer Umkehrung
		}
		Point aCenter(aRect.Center());
		aTmpPt1-=aCenter;
		aTmpPt2-=aCenter;
		// Weil gespiegelt sind die Winkel nun auch noch vertauscht
		nStartWink=GetAngle(aTmpPt2);
		nEndWink  =GetAngle(aTmpPt1);
		long nWinkDif=nEndWink-nStartWink;
		nStartWink=NormAngle360(nStartWink);
		nEndWink  =NormAngle360(nEndWink);
		if (nWinkDif==36000) nEndWink+=nWinkDif; // Vollkreis
	}
	SetXPolyDirty();
	ImpSetCircInfoToAttr();
}

SdrObjGeoData* SdrCircObj::NewGeoData() const
{
	return new SdrCircObjGeoData;
}

void SdrCircObj::SaveGeoData(SdrObjGeoData& rGeo) const
{
	SdrRectObj::SaveGeoData(rGeo);
	SdrCircObjGeoData& rCGeo=(SdrCircObjGeoData&)rGeo;
	rCGeo.nStartWink=nStartWink;
	rCGeo.nEndWink  =nEndWink;
}

void SdrCircObj::RestGeoData(const SdrObjGeoData& rGeo)
{
	SdrRectObj::RestGeoData(rGeo);
	SdrCircObjGeoData& rCGeo=(SdrCircObjGeoData&)rGeo;
	nStartWink=rCGeo.nStartWink;
	nEndWink  =rCGeo.nEndWink;
	SetXPolyDirty();
	ImpSetCircInfoToAttr();
}

void Union(Rectangle& rR, const Point& rP)
{
	if (rP.X()<rR.Left  ()) rR.Left  ()=rP.X();
	if (rP.X()>rR.Right ()) rR.Right ()=rP.X();
	if (rP.Y()<rR.Top   ()) rR.Top   ()=rP.Y();
	if (rP.Y()>rR.Bottom()) rR.Bottom()=rP.Y();
}

void SdrCircObj::TakeUnrotatedSnapRect(Rectangle& rRect) const
{
	rRect=aRect;
	if (meCircleKind!=OBJ_CIRC) {
		const Point aPntStart(GetWinkPnt(aRect,nStartWink));
		const Point aPntEnd(GetWinkPnt(aRect,nEndWink));
		long a=nStartWink;
		long e=nEndWink;
		rRect.Left  ()=aRect.Right();
		rRect.Right ()=aRect.Left();
		rRect.Top   ()=aRect.Bottom();
		rRect.Bottom()=aRect.Top();
		Union(rRect,aPntStart);
		Union(rRect,aPntEnd);
		if ((a<=18000 && e>=18000) || (a>e && (a<=18000 || e>=18000))) {
			Union(rRect,aRect.LeftCenter());
		}
		if ((a<=27000 && e>=27000) || (a>e && (a<=27000 || e>=27000))) {
			Union(rRect,aRect.BottomCenter());
		}
		if (a>e) {
			Union(rRect,aRect.RightCenter());
		}
		if ((a<=9000 && e>=9000) || (a>e && (a<=9000 || e>=9000))) {
			Union(rRect,aRect.TopCenter());
		}
		if (meCircleKind==OBJ_SECT) {
			Union(rRect,aRect.Center());
		}
		if (aGeo.nDrehWink!=0) {
			Point aDst(rRect.TopLeft());
			aDst-=aRect.TopLeft();
			Point aDst0(aDst);
			RotatePoint(aDst,Point(),aGeo.nSin,aGeo.nCos);
			aDst-=aDst0;
			rRect.Move(aDst.X(),aDst.Y());
		}
	}
	if (aGeo.nShearWink!=0) {
		long nDst=Round((rRect.Bottom()-rRect.Top())*aGeo.nTan);
		if (aGeo.nShearWink>0) {
			Point aRef(rRect.TopLeft());
			rRect.Left()-=nDst;
			Point aTmpPt(rRect.TopLeft());
			RotatePoint(aTmpPt,aRef,aGeo.nSin,aGeo.nCos);
			aTmpPt-=rRect.TopLeft();
			rRect.Move(aTmpPt.X(),aTmpPt.Y());
		} else {
			rRect.Right()-=nDst;
		}
	}
}

void SdrCircObj::RecalcSnapRect()
{
	if (PaintNeedsXPolyCirc()) {
		maSnapRect=GetXPoly().GetBoundRect();
	} else {
		TakeUnrotatedSnapRect(maSnapRect);
	}
}

void SdrCircObj::NbcSetSnapRect(const Rectangle& rRect)
{
	if (aGeo.nDrehWink!=0 || aGeo.nShearWink!=0 || meCircleKind!=OBJ_CIRC) {
		Rectangle aSR0(GetSnapRect());
		long nWdt0=aSR0.Right()-aSR0.Left();
		long nHgt0=aSR0.Bottom()-aSR0.Top();
		long nWdt1=rRect.Right()-rRect.Left();
		long nHgt1=rRect.Bottom()-rRect.Top();
		NbcResize(maSnapRect.TopLeft(),Fraction(nWdt1,nWdt0),Fraction(nHgt1,nHgt0));
		NbcMove(Size(rRect.Left()-aSR0.Left(),rRect.Top()-aSR0.Top()));
	} else {
		aRect=rRect;
		ImpJustifyRect(aRect);
	}
	SetRectsDirty();
	SetXPolyDirty();
	ImpSetCircInfoToAttr();
}

sal_uInt32 SdrCircObj::GetSnapPointCount() const
{
	if (meCircleKind==OBJ_CIRC) {
		return 1L;
	} else {
		return 3L;
	}
}

Point SdrCircObj::GetSnapPoint(sal_uInt32 i) const
{
	switch (i) {
		case 1 : return GetWinkPnt(aRect,nStartWink);
		case 2 : return GetWinkPnt(aRect,nEndWink);
		default: return aRect.Center();
	}
}

void __EXPORT SdrCircObj::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
{
	SetXPolyDirty();
	SdrRectObj::Notify(rBC,rHint);
	ImpSetAttrToCircInfo();
}

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

void SdrCircObj::ImpSetAttrToCircInfo()
{
	const SfxItemSet& rSet = GetObjectItemSet();
	SdrCircKind eNewKindA = ((SdrCircKindItem&)rSet.Get(SDRATTR_CIRCKIND)).GetValue();
	SdrObjKind eNewKind = meCircleKind;

	if(eNewKindA == SDRCIRC_FULL)
		eNewKind = OBJ_CIRC;
	else if(eNewKindA == SDRCIRC_SECT)
		eNewKind = OBJ_SECT;
	else if(eNewKindA == SDRCIRC_ARC)
		eNewKind = OBJ_CARC;
	else if(eNewKindA == SDRCIRC_CUT)
		eNewKind = OBJ_CCUT;

	sal_Int32 nNewStart = ((SdrCircStartAngleItem&)rSet.Get(SDRATTR_CIRCSTARTANGLE)).GetValue();
	sal_Int32 nNewEnd = ((SdrCircEndAngleItem&)rSet.Get(SDRATTR_CIRCENDANGLE)).GetValue();

	sal_Bool bKindChg = meCircleKind != eNewKind;
	sal_Bool bWinkChg = nNewStart != nStartWink || nNewEnd != nEndWink;

	if(bKindChg || bWinkChg)
	{
		meCircleKind = eNewKind;
		nStartWink = nNewStart;
		nEndWink = nNewEnd;

		if(bKindChg || (meCircleKind != OBJ_CIRC && bWinkChg))
		{
			SetXPolyDirty();
			SetRectsDirty();
		}
	}
}

void SdrCircObj::ImpSetCircInfoToAttr()
{
	SdrCircKind eNewKindA = SDRCIRC_FULL;
	const SfxItemSet& rSet = GetObjectItemSet();

	if(meCircleKind == OBJ_SECT)
		eNewKindA = SDRCIRC_SECT;
	else if(meCircleKind == OBJ_CARC)
		eNewKindA = SDRCIRC_ARC;
	else if(meCircleKind == OBJ_CCUT)
		eNewKindA = SDRCIRC_CUT;

	SdrCircKind eOldKindA = ((SdrCircKindItem&)rSet.Get(SDRATTR_CIRCKIND)).GetValue();
	sal_Int32 nOldStartWink = ((SdrCircStartAngleItem&)rSet.Get(SDRATTR_CIRCSTARTANGLE)).GetValue();
	sal_Int32 nOldEndWink = ((SdrCircEndAngleItem&)rSet.Get(SDRATTR_CIRCENDANGLE)).GetValue();

	if(eNewKindA != eOldKindA || nStartWink != nOldStartWink || nEndWink != nOldEndWink)
	{
		// #81921# since SetItem() implicitly calls ImpSetAttrToCircInfo()
		// setting the item directly is necessary here.
		if(eNewKindA != eOldKindA)
		{
			GetProperties().SetObjectItemDirect(SdrCircKindItem(eNewKindA));
		}

		if(nStartWink != nOldStartWink)
		{
			GetProperties().SetObjectItemDirect(SdrCircStartAngleItem(nStartWink));
		}

		if(nEndWink != nOldEndWink)
		{
			GetProperties().SetObjectItemDirect(SdrCircEndAngleItem(nEndWink));
		}

		SetXPolyDirty();
		ImpSetAttrToCircInfo();
	}
}

SdrObject* SdrCircObj::DoConvertToPolyObj(sal_Bool bBezier, bool bAddText) const
{
	const sal_Bool bFill(OBJ_CARC == meCircleKind ? sal_False : sal_True);
	const basegfx::B2DPolygon aCircPolygon(ImpCalcXPolyCirc(meCircleKind, aRect, nStartWink, nEndWink));
	SdrObject* pRet = ImpConvertMakeObj(basegfx::B2DPolyPolygon(aCircPolygon), bFill, bBezier);

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

	return pRet;
}

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