Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 756 insertions, 0 deletions

diff --git a/svx/source/svdraw/svdocapt.cxx b/svx/source/svdraw/svdocapt.cxx
new file mode 100644
index 000000000..4734ea222
--- /dev/null
+++ b/svx/source/svdraw/svdocapt.cxx
@@ -0,0 +1,756 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/tuple/b2dtuple.hxx>
+#include <tools/bigint.hxx>
+#include <tools/helpers.hxx>
+
+#include <svx/dialmgr.hxx>
+#include <svx/strings.hrc>
+
+#include <sdr/contact/viewcontactofsdrcaptionobj.hxx>
+#include <sdr/properties/captionproperties.hxx>
+#include <svx/sdrhittesthelper.hxx>
+#include <svx/sdooitm.hxx>
+#include <svx/svddrag.hxx>
+#include <svx/svdhdl.hxx>
+#include <svx/svdmodel.hxx>
+#include <svx/svdocapt.hxx>
+#include <svx/svdopath.hxx>
+#include <svx/svdogrp.hxx>
+#include <svx/svdpage.hxx>
+#include <svx/svdtrans.hxx>
+#include <svx/svdview.hxx>
+#include <svx/sxcecitm.hxx>
+#include <svx/sxcgitm.hxx>
+#include <svx/sxcllitm.hxx>
+#include <svx/sxctitm.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/ptrstyle.hxx>
+
+namespace {
+
+enum EscDir {LKS,RTS,OBN,UNT};
+
+}
+
+class ImpCaptParams
+{
+public:
+    SdrCaptionType              eType;
+    tools::Long                        nGap;
+    tools::Long                        nEscRel;
+    tools::Long                        nEscAbs;
+    tools::Long                        nLineLen;
+    SdrCaptionEscDir            eEscDir;
+    bool                        bFitLineLen;
+    bool                        bEscRel;
+    bool                        bFixedAngle;
+
+public:
+    ImpCaptParams()
+      : eType(SdrCaptionType::Type3),
+        nGap(0), nEscRel(5000), nEscAbs(0),
+        nLineLen(0), eEscDir(SdrCaptionEscDir::Horizontal),
+        bFitLineLen(true), bEscRel(true), bFixedAngle(false)
+    {
+    }
+    void CalcEscPos(const Point& rTail, const tools::Rectangle& rRect, Point& rPt, EscDir& rDir) const;
+};
+
+void ImpCaptParams::CalcEscPos(const Point& rTailPt, const tools::Rectangle& rRect, Point& rPt, EscDir& rDir) const
+{
+    Point aTl(rTailPt); // copy locally for performance reasons
+    tools::Long nX,nY;
+    if (bEscRel) {
+        nX=rRect.Right()-rRect.Left();
+        nX=BigMulDiv(nX,nEscRel,10000);
+        nY=rRect.Bottom()-rRect.Top();
+        nY=BigMulDiv(nY,nEscRel,10000);
+    } else {
+        nX=nEscAbs;
+        nY=nEscAbs;
+    }
+    nX+=rRect.Left();
+    nY+=rRect.Top();
+    Point  aBestPt;
+    EscDir eBestDir=LKS;
+    bool bTryH=eEscDir==SdrCaptionEscDir::BestFit;
+    if (!bTryH) {
+        if (eType!=SdrCaptionType::Type1) {
+            bTryH=eEscDir==SdrCaptionEscDir::Horizontal;
+        } else {
+            bTryH=eEscDir==SdrCaptionEscDir::Vertical;
+        }
+    }
+    bool bTryV=eEscDir==SdrCaptionEscDir::BestFit;
+    if (!bTryV) {
+        if (eType!=SdrCaptionType::Type1) {
+            bTryV=eEscDir==SdrCaptionEscDir::Vertical;
+        } else {
+            bTryV=eEscDir==SdrCaptionEscDir::Horizontal;
+        }
+    }
+
+    if (bTryH) {
+        Point aLft(rRect.Left()-nGap,nY);
+        Point aRgt(rRect.Right()+nGap,nY);
+        bool bLft=(aTl.X()-aLft.X()<aRgt.X()-aTl.X());
+        if (bLft) {
+            eBestDir=LKS;
+            aBestPt=aLft;
+        } else {
+            eBestDir=RTS;
+            aBestPt=aRgt;
+        }
+    }
+    if (bTryV) {
+        Point aTop(nX,rRect.Top()-nGap);
+        Point aBtm(nX,rRect.Bottom()+nGap);
+        bool bTop=(aTl.Y()-aTop.Y()<aBtm.Y()-aTl.Y());
+        Point aBest2;
+        EscDir eBest2;
+        if (bTop) {
+            eBest2=OBN;
+            aBest2=aTop;
+        } else {
+            eBest2=UNT;
+            aBest2=aBtm;
+        }
+        bool bTakeIt=eEscDir!=SdrCaptionEscDir::BestFit;
+        if (!bTakeIt) {
+            BigInt aHorX(aBestPt.X()-aTl.X()); aHorX*=aHorX;
+            BigInt aHorY(aBestPt.Y()-aTl.Y()); aHorY*=aHorY;
+            BigInt aVerX(aBest2.X()-aTl.X());  aVerX*=aVerX;
+            BigInt aVerY(aBest2.Y()-aTl.Y());  aVerY*=aVerY;
+            if (eType!=SdrCaptionType::Type1) {
+                bTakeIt=aVerX+aVerY<aHorX+aHorY;
+            } else {
+                bTakeIt=aVerX+aVerY>=aHorX+aHorY;
+            }
+        }
+        if (bTakeIt) {
+            aBestPt=aBest2;
+            eBestDir=eBest2;
+        }
+    }
+    rPt=aBestPt;
+    rDir=eBestDir;
+}
+
+
+// BaseProperties section
+
+std::unique_ptr<sdr::properties::BaseProperties> SdrCaptionObj::CreateObjectSpecificProperties()
+{
+    return std::make_unique<sdr::properties::CaptionProperties>(*this);
+}
+
+
+// DrawContact section
+
+std::unique_ptr<sdr::contact::ViewContact> SdrCaptionObj::CreateObjectSpecificViewContact()
+{
+    return std::make_unique<sdr::contact::ViewContactOfSdrCaptionObj>(*this);
+}
+
+
+SdrCaptionObj::SdrCaptionObj(SdrModel& rSdrModel)
+:   SdrRectObj(rSdrModel, SdrObjKind::Text),
+    aTailPoly(3),  // default size: 3 points = 2 lines
+    mbSpecialTextBoxShadow(false),
+    mbFixedTail(false),
+    mbSuppressGetBitmap(false)
+{
+}
+
+SdrCaptionObj::SdrCaptionObj(SdrModel& rSdrModel, SdrCaptionObj const & rSource)
+:   SdrRectObj(rSdrModel, rSource),
+    mbSuppressGetBitmap(false)
+{
+    aTailPoly = rSource.aTailPoly;
+    mbSpecialTextBoxShadow = rSource.mbSpecialTextBoxShadow;
+    mbFixedTail = rSource.mbFixedTail;
+    maFixedTailPos = rSource.maFixedTailPos;
+}
+
+SdrCaptionObj::SdrCaptionObj(
+    SdrModel& rSdrModel,
+    const tools::Rectangle& rRect,
+    const Point& rTail)
+:   SdrRectObj(rSdrModel, SdrObjKind::Text,rRect),
+    aTailPoly(3),  // default size: 3 points = 2 lines
+    mbSpecialTextBoxShadow(false),
+    mbFixedTail(false),
+    mbSuppressGetBitmap(false)
+{
+    aTailPoly[0]=maFixedTailPos=rTail;
+}
+
+SdrCaptionObj::~SdrCaptionObj()
+{
+}
+
+void SdrCaptionObj::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const
+{
+    rInfo.bRotateFreeAllowed=false;
+    rInfo.bRotate90Allowed  =false;
+    rInfo.bMirrorFreeAllowed=false;
+    rInfo.bMirror45Allowed  =false;
+    rInfo.bMirror90Allowed  =false;
+    rInfo.bTransparenceAllowed = false;
+    rInfo.bShearAllowed     =false;
+    rInfo.bEdgeRadiusAllowed=false;
+    rInfo.bCanConvToPath    =true;
+    rInfo.bCanConvToPoly    =true;
+    rInfo.bCanConvToPathLineToArea=false;
+    rInfo.bCanConvToPolyLineToArea=false;
+    rInfo.bCanConvToContour = (rInfo.bCanConvToPoly || LineGeometryUsageIsNecessary());
+}
+
+SdrObjKind SdrCaptionObj::GetObjIdentifier() const
+{
+    return SdrObjKind::Caption;
+}
+
+SdrCaptionObj* SdrCaptionObj::CloneSdrObject(SdrModel& rTargetModel) const
+{
+    return new SdrCaptionObj(rTargetModel, *this);
+}
+
+OUString SdrCaptionObj::TakeObjNameSingul() const
+{
+    OUString sName(SvxResId(STR_ObjNameSingulCAPTION));
+
+    OUString aName(GetName());
+    if (!aName.isEmpty())
+        sName += " '" + aName + "'";
+
+    return sName;
+}
+
+OUString SdrCaptionObj::TakeObjNamePlural() const
+{
+    return SvxResId(STR_ObjNamePluralCAPTION);
+}
+
+basegfx::B2DPolyPolygon SdrCaptionObj::TakeXorPoly() const
+{
+    basegfx::B2DPolyPolygon aPolyPoly(SdrRectObj::TakeXorPoly());
+    aPolyPoly.append(aTailPoly.getB2DPolygon());
+
+    return aPolyPoly;
+}
+
+sal_uInt32 SdrCaptionObj::GetHdlCount() const
+{
+    sal_uInt32 nCount1(SdrRectObj::GetHdlCount());
+    // Currently only dragging the tail's end is implemented.
+    return nCount1 + 1;
+}
+
+void SdrCaptionObj::AddToHdlList(SdrHdlList& rHdlList) const
+{
+    SdrRectObj::AddToHdlList(rHdlList);
+    // Currently only dragging the tail's end is implemented.
+    std::unique_ptr<SdrHdl> pHdl(new SdrHdl(aTailPoly.GetPoint(0), SdrHdlKind::Poly));
+    pHdl->SetPolyNum(1);
+    pHdl->SetPointNum(0);
+    rHdlList.AddHdl(std::move(pHdl));
+}
+
+bool SdrCaptionObj::hasSpecialDrag() const
+{
+    return true;
+}
+
+bool SdrCaptionObj::beginSpecialDrag(SdrDragStat& rDrag) const
+{
+    const SdrHdl* pHdl = rDrag.GetHdl();
+    rDrag.SetEndDragChangesAttributes(true);
+    rDrag.SetEndDragChangesGeoAndAttributes(true);
+
+    if(pHdl && 0 == pHdl->GetPolyNum())
+    {
+        return SdrRectObj::beginSpecialDrag(rDrag);
+    }
+    else
+    {
+        rDrag.SetOrtho8Possible();
+
+        if(!pHdl)
+        {
+            if (m_bMovProt)
+                return false;
+
+            rDrag.SetNoSnap();
+            rDrag.SetActionRect(maRect);
+
+            Point aHit(rDrag.GetStart());
+
+            if(rDrag.GetPageView() && SdrObjectPrimitiveHit(*this, aHit, 0, *rDrag.GetPageView(), nullptr, false))
+            {
+                return true;
+            }
+        }
+        else
+        {
+            if((1 == pHdl->GetPolyNum()) && (0 == pHdl->GetPointNum()))
+                return true;
+        }
+    }
+
+    return false;
+}
+
+bool SdrCaptionObj::applySpecialDrag(SdrDragStat& rDrag)
+{
+    const SdrHdl* pHdl = rDrag.GetHdl();
+
+    if(pHdl && 0 == pHdl->GetPolyNum())
+    {
+        const bool bRet(SdrRectObj::applySpecialDrag(rDrag));
+        ImpRecalcTail();
+        ActionChanged();
+
+        return bRet;
+    }
+    else
+    {
+        Point aDelt(rDrag.GetNow()-rDrag.GetStart());
+
+        if(!pHdl)
+        {
+            maRect.Move(aDelt.X(),aDelt.Y());
+        }
+        else
+        {
+            aTailPoly[0] += aDelt;
+        }
+
+        ImpRecalcTail();
+        ActionChanged();
+
+        return true;
+    }
+}
+
+OUString SdrCaptionObj::getSpecialDragComment(const SdrDragStat& rDrag) const
+{
+    const bool bCreateComment(rDrag.GetView() && this == rDrag.GetView()->GetCreateObj());
+
+    if(bCreateComment)
+    {
+        return OUString();
+    }
+    else
+    {
+        const SdrHdl* pHdl = rDrag.GetHdl();
+
+        if(pHdl && 0 == pHdl->GetPolyNum())
+        {
+            return SdrRectObj::getSpecialDragComment(rDrag);
+        }
+        else
+        {
+            if(!pHdl)
+            {
+                return ImpGetDescriptionStr(STR_DragCaptFram);
+            }
+            else
+            {
+                return ImpGetDescriptionStr(STR_DragCaptTail);
+            }
+        }
+    }
+}
+
+
+void SdrCaptionObj::ImpGetCaptParams(ImpCaptParams& rPara) const
+{
+    const SfxItemSet& rSet = GetObjectItemSet();
+    rPara.eType      =rSet.Get(SDRATTR_CAPTIONTYPE      ).GetValue();
+    rPara.bFixedAngle=rSet.Get(SDRATTR_CAPTIONFIXEDANGLE).GetValue();
+    rPara.nGap       =static_cast<const SdrCaptionGapItem&>       (rSet.Get(SDRATTR_CAPTIONGAP       )).GetValue();
+    rPara.eEscDir    =rSet.Get(SDRATTR_CAPTIONESCDIR    ).GetValue();
+    rPara.bEscRel    =rSet.Get(SDRATTR_CAPTIONESCISREL  ).GetValue();
+    rPara.nEscRel    =rSet.Get(SDRATTR_CAPTIONESCREL    ).GetValue();
+    rPara.nEscAbs    =rSet.Get(SDRATTR_CAPTIONESCABS    ).GetValue();
+    rPara.nLineLen   =rSet.Get(SDRATTR_CAPTIONLINELEN   ).GetValue();
+    rPara.bFitLineLen=rSet.Get(SDRATTR_CAPTIONFITLINELEN).GetValue();
+}
+
+void SdrCaptionObj::ImpRecalcTail()
+{
+    ImpCaptParams aPara;
+    ImpGetCaptParams(aPara);
+    ImpCalcTail(aPara, aTailPoly, maRect);
+    SetBoundAndSnapRectsDirty();
+    SetXPolyDirty();
+}
+
+// #i35971#
+// SdrCaptionObj::ImpCalcTail1 does move the object(!). What a hack.
+// I really wonder why this had not triggered problems before. I am
+// sure there are some places where SetTailPos() is called at least
+// twice or SetSnapRect after it again just to work around this.
+// Changed this method to not do that.
+// Also found why this has been done: For interactive dragging of the
+// tail end pos for SdrCaptionType::Type1. This sure was the simplest method
+// to achieve this, at the cost of making a whole group of const methods
+// of this object implicitly change the object's position.
+void SdrCaptionObj::ImpCalcTail1(const ImpCaptParams& rPara, tools::Polygon& rPoly, tools::Rectangle const & rRect)
+{
+    tools::Polygon aPol(2);
+    Point aTl(rPoly[0]);
+
+    aPol[0] = aTl;
+    aPol[1] = aTl;
+
+    EscDir eEscDir;
+    Point aEscPos;
+
+    rPara.CalcEscPos(aTl, rRect, aEscPos, eEscDir);
+    aPol[1] = aEscPos;
+
+    if(eEscDir==LKS || eEscDir==RTS)
+    {
+        aPol[0].setX( aEscPos.X() );
+    }
+    else
+    {
+        aPol[0].setY( aEscPos.Y() );
+    }
+
+    rPoly = aPol;
+}
+
+void SdrCaptionObj::ImpCalcTail2(const ImpCaptParams& rPara, tools::Polygon& rPoly, tools::Rectangle const & rRect)
+{ // Gap/EscDir/EscPos/Angle
+    tools::Polygon aPol(2);
+    Point aTl(rPoly[0]);
+    aPol[0]=aTl;
+
+    EscDir eEscDir;
+    Point aEscPos;
+    rPara.CalcEscPos(aTl,rRect,aEscPos,eEscDir);
+    aPol[1]=aEscPos;
+
+    if (!rPara.bFixedAngle) {
+        // TODO: Implementation missing.
+    }
+    rPoly=aPol;
+}
+
+void SdrCaptionObj::ImpCalcTail3(const ImpCaptParams& rPara, tools::Polygon& rPoly, tools::Rectangle const & rRect)
+{ // Gap/EscDir/EscPos/Angle/LineLen
+    tools::Polygon aPol(3);
+    Point aTl(rPoly[0]);
+    aPol[0]=aTl;
+
+    EscDir eEscDir;
+    Point aEscPos;
+    rPara.CalcEscPos(aTl,rRect,aEscPos,eEscDir);
+    aPol[1]=aEscPos;
+    aPol[2]=aEscPos;
+
+    if (eEscDir==LKS || eEscDir==RTS) {
+        if (rPara.bFitLineLen) {
+            aPol[1].setX((aTl.X()+aEscPos.X())/2 );
+        } else {
+            if (eEscDir==LKS) aPol[1].AdjustX( -(rPara.nLineLen) );
+            else aPol[1].AdjustX(rPara.nLineLen );
+        }
+    } else {
+        if (rPara.bFitLineLen) {
+            aPol[1].setY((aTl.Y()+aEscPos.Y())/2 );
+        } else {
+            if (eEscDir==OBN) aPol[1].AdjustY( -(rPara.nLineLen) );
+            else aPol[1].AdjustY(rPara.nLineLen );
+        }
+    }
+    if (!rPara.bFixedAngle) {
+        // TODO: Implementation missing.
+    }
+    rPoly=aPol;
+}
+
+void SdrCaptionObj::ImpCalcTail(const ImpCaptParams& rPara, tools::Polygon& rPoly, tools::Rectangle const & rRect)
+{
+    switch (rPara.eType) {
+        case SdrCaptionType::Type1: ImpCalcTail1(rPara,rPoly,rRect); break;
+        case SdrCaptionType::Type2: ImpCalcTail2(rPara,rPoly,rRect); break;
+        case SdrCaptionType::Type3: ImpCalcTail3(rPara,rPoly,rRect); break;
+        case SdrCaptionType::Type4: ImpCalcTail3(rPara,rPoly,rRect); break;
+    }
+}
+
+bool SdrCaptionObj::BegCreate(SdrDragStat& rStat)
+{
+    if (maRect.IsEmpty()) return false; // Create currently only works with the given Rect
+
+    ImpCaptParams aPara;
+    ImpGetCaptParams(aPara);
+    maRect.SetPos(rStat.GetNow());
+    aTailPoly[0]=rStat.GetStart();
+    ImpCalcTail(aPara,aTailPoly,maRect);
+    rStat.SetActionRect(maRect);
+    return true;
+}
+
+bool SdrCaptionObj::MovCreate(SdrDragStat& rStat)
+{
+    ImpCaptParams aPara;
+    ImpGetCaptParams(aPara);
+    maRect.SetPos(rStat.GetNow());
+    ImpCalcTail(aPara,aTailPoly,maRect);
+    rStat.SetActionRect(maRect);
+    SetBoundRectDirty();
+    m_bSnapRectDirty=true;
+    return true;
+}
+
+bool SdrCaptionObj::EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd)
+{
+    ImpCaptParams aPara;
+    ImpGetCaptParams(aPara);
+    maRect.SetPos(rStat.GetNow());
+    ImpCalcTail(aPara,aTailPoly,maRect);
+    SetBoundAndSnapRectsDirty();
+    return (eCmd==SdrCreateCmd::ForceEnd || rStat.GetPointCount()>=2);
+}
+
+bool SdrCaptionObj::BckCreate(SdrDragStat& /*rStat*/)
+{
+    return false;
+}
+
+void SdrCaptionObj::BrkCreate(SdrDragStat& /*rStat*/)
+{
+}
+
+basegfx::B2DPolyPolygon SdrCaptionObj::TakeCreatePoly(const SdrDragStat& /*rDrag*/) const
+{
+    basegfx::B2DPolyPolygon aRetval;
+    const basegfx::B2DRange aRange =vcl::unotools::b2DRectangleFromRectangle(maRect);
+    aRetval.append(basegfx::utils::createPolygonFromRect(aRange));
+    aRetval.append(aTailPoly.getB2DPolygon());
+    return aRetval;
+}
+
+PointerStyle SdrCaptionObj::GetCreatePointer() const
+{
+    return PointerStyle::DrawCaption;
+}
+
+void SdrCaptionObj::NbcMove(const Size& rSiz)
+{
+    SdrRectObj::NbcMove(rSiz);
+    MovePoly(aTailPoly,rSiz);
+    if(mbFixedTail)
+        SetTailPos(GetFixedTailPos());
+}
+
+void SdrCaptionObj::NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact)
+{
+    SdrRectObj::NbcResize(rRef,xFact,yFact);
+    ResizePoly(aTailPoly,rRef,xFact,yFact);
+    ImpRecalcTail();
+    if(mbFixedTail)
+        SetTailPos(GetFixedTailPos());
+}
+
+void SdrCaptionObj::NbcSetRelativePos(const Point& rPnt)
+{
+    Point aRelPos0(aTailPoly.GetPoint(0)-m_aAnchor);
+    Size aSiz(rPnt.X()-aRelPos0.X(),rPnt.Y()-aRelPos0.Y());
+    NbcMove(aSiz); // This also calls SetRectsDirty()
+}
+
+Point SdrCaptionObj::GetRelativePos() const
+{
+    return aTailPoly.GetPoint(0)-m_aAnchor;
+}
+
+const tools::Rectangle& SdrCaptionObj::GetLogicRect() const
+{
+    return maRect;
+}
+
+void SdrCaptionObj::NbcSetLogicRect(const tools::Rectangle& rRect)
+{
+    SdrRectObj::NbcSetLogicRect(rRect);
+    ImpRecalcTail();
+}
+
+const Point& SdrCaptionObj::GetTailPos() const
+{
+    return aTailPoly[0];
+}
+
+void SdrCaptionObj::SetTailPos(const Point& rPos)
+{
+    if (aTailPoly.GetSize()==0 || aTailPoly[0]!=rPos) {
+        tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
+        NbcSetTailPos(rPos);
+        SetChanged();
+        BroadcastObjectChange();
+        SendUserCall(SdrUserCallType::Resize,aBoundRect0);
+    }
+}
+
+void SdrCaptionObj::NbcSetTailPos(const Point& rPos)
+{
+    aTailPoly[0]=rPos;
+    ImpRecalcTail();
+}
+
+sal_uInt32 SdrCaptionObj::GetSnapPointCount() const
+{
+    // TODO: Implementation missing.
+    return 0;
+}
+
+Point SdrCaptionObj::GetSnapPoint(sal_uInt32 /*i*/) const
+{
+    // TODO: Implementation missing.
+    return Point(0,0);
+}
+
+void SdrCaptionObj::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
+{
+    SdrRectObj::Notify(rBC,rHint);
+    ImpRecalcTail();
+}
+
+std::unique_ptr<SdrObjGeoData> SdrCaptionObj::NewGeoData() const
+{
+    return std::make_unique<SdrCaptObjGeoData>();
+}
+
+void SdrCaptionObj::SaveGeoData(SdrObjGeoData& rGeo) const
+{
+    SdrRectObj::SaveGeoData(rGeo);
+    SdrCaptObjGeoData& rCGeo=static_cast<SdrCaptObjGeoData&>(rGeo);
+    rCGeo.aTailPoly=aTailPoly;
+}
+
+void SdrCaptionObj::RestoreGeoData(const SdrObjGeoData& rGeo)
+{
+    SdrRectObj::RestoreGeoData(rGeo);
+    const SdrCaptObjGeoData& rCGeo=static_cast<const SdrCaptObjGeoData&>(rGeo);
+    aTailPoly=rCGeo.aTailPoly;
+}
+
+SdrObjectUniquePtr SdrCaptionObj::DoConvertToPolyObj(bool bBezier, bool bAddText) const
+{
+    SdrObjectUniquePtr pRect = SdrRectObj::DoConvertToPolyObj(bBezier, bAddText);
+    SdrObjectUniquePtr pTail = ImpConvertMakeObj(basegfx::B2DPolyPolygon(aTailPoly.getB2DPolygon()), false, bBezier);
+    SdrObjectUniquePtr pRet;
+    if (pTail && !pRect)
+        pRet = std::move(pTail);
+    else if (pRect && !pTail)
+        pRet = std::move(pRect);
+    else if (pTail && pRect)
+    {
+        if (pTail->GetSubList())
+        {
+            pTail->GetSubList()->NbcInsertObject(pRect.release());
+            pRet = std::move(pTail);
+        }
+        else if (pRect->GetSubList())
+        {
+            pRect->GetSubList()->NbcInsertObject(pTail.release(),0);
+            pRet = std::move(pRect);
+        }
+        else
+        {
+            SdrObjGroup* pGrp = new SdrObjGroup(getSdrModelFromSdrObject());
+            pGrp->GetSubList()->NbcInsertObject(pRect.release());
+            pGrp->GetSubList()->NbcInsertObject(pTail.release(),0);
+            pRet.reset(pGrp);
+        }
+    }
+    return pRet;
+}
+
+namespace {
+
+void handleNegativeScale(basegfx::B2DTuple & scale, double * rotate) {
+    assert(rotate != nullptr);
+
+    // #i75086# Old DrawingLayer (GeoStat and geometry) does not support holding negative scalings
+    // in X and Y which equal a 180 degree rotation. Recognize it and react accordingly
+    if(basegfx::fTools::less(scale.getX(), 0.0) && basegfx::fTools::less(scale.getY(), 0.0))
+    {
+        scale.setX(fabs(scale.getX()));
+        scale.setY(fabs(scale.getY()));
+        *rotate = fmod(*rotate + M_PI, 2 * M_PI);
+    }
+}
+
+}
+
+// #i32599#
+// Add own implementation for TRSetBaseGeometry to handle TailPos over changes.
+void SdrCaptionObj::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& /*rPolyPolygon*/)
+{
+    // break up matrix
+    basegfx::B2DTuple aScale;
+    basegfx::B2DTuple aTranslate;
+    double fRotate, fShearX;
+    rMatrix.decompose(aScale, aTranslate, fRotate, fShearX);
+
+    handleNegativeScale(aScale, &fRotate);
+
+    // if anchor is used, make position relative to it
+    if(getSdrModelFromSdrObject().IsWriter())
+    {
+        if(GetAnchorPos().X() || GetAnchorPos().Y())
+        {
+            aTranslate += basegfx::B2DTuple(GetAnchorPos().X(), GetAnchorPos().Y());
+        }
+    }
+
+    // build BaseRect
+    Point aPoint(FRound(aTranslate.getX()), FRound(aTranslate.getY()));
+    tools::Rectangle aBaseRect(aPoint, Size(FRound(aScale.getX()), FRound(aScale.getY())));
+
+    // set BaseRect, but rescue TailPos over this call
+    const Point aTailPoint = GetTailPos();
+    SetSnapRect(aBaseRect);
+    SetTailPos(aTailPoint);
+    ImpRecalcTail();
+}
+
+// geometry access
+basegfx::B2DPolygon SdrCaptionObj::getTailPolygon() const
+{
+    return aTailPoly.getB2DPolygon();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */