svdotext.hxx

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/* -*- 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 .
 */

#pragma once

#include <svx/itextprovider.hxx>
#include <svx/svdoattr.hxx>
#include <svx/sdtaitm.hxx>
#include <svx/sdtakitm.hxx>
#include <svx/sdtaditm.hxx>
#include <svx/svdtrans.hxx>
#include <tools/datetime.hxx>
#include <svl/style.hxx>
#include <svx/svdtext.hxx>
#include <svx/svxdllapi.h>
#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
#include <memory>
#include <vector>

#include <com/sun/star/drawing/TextFitToSizeType.hpp>

//   forward declarations

class OutlinerParaObject;
class OverflowingText;
class SdrOutliner;
class SdrPathObj;
class SdrTextObj;
class SdrTextObjTest;
class SvxFieldItem;
class ImpSdrObjTextLink;
class EditStatus;
class TextChain;
class TextChainFlow;

enum class EEAnchorMode;
enum class EETextFormat;

namespace sdr::properties {
    class TextProperties;
}

namespace drawinglayer::primitive2d {
    class SdrContourTextPrimitive2D;
    class SdrPathTextPrimitive2D;
    class SdrBlockTextPrimitive2D;
    class SdrAutoFitTextPrimitive2D;
    class SdrStretchTextPrimitive2D;
    class SdrChainedTextPrimitive2D;
}

namespace drawinglayer::animation {
    class AnimationEntryList;
}

namespace drawinglayer::geometry {
    class ViewInformation2D;
}

namespace sdr::table {
    class Cell;
    class SdrTableRtfExporter;
    class SdrTableRTFParser;
}


//   Defines
constexpr const sal_uInt16 SDRUSERDATA_OBJTEXTLINK = 1;


//   helper class SdrTextObjGeoData
class SdrTextObjGeoData : public SdrObjGeoData
{
public:
    tools::Rectangle maRect;
    GeoStat maGeo;
};


//   helper class ImpSdrObjTextLinkUserData
class ImpSdrObjTextLinkUserData final : public SdrObjUserData
{
    friend class SdrTextObj;
    friend class ImpSdrObjTextLink;

    OUString maFileName;   // name of the referenced document
    OUString maFilterName; // a filter, if need be
    DateTime maFileDate0;  // avoiding unnecessary reload
    tools::SvRef<ImpSdrObjTextLink> mpLink;
    rtl_TextEncoding meCharSet;

public:
    ImpSdrObjTextLinkUserData();
    virtual ~ImpSdrObjTextLinkUserData() override;

    virtual std::unique_ptr<SdrObjUserData> Clone(SdrObject* pObj1) const override;
};

namespace sdr::properties
{
    class CustomShapeProperties;
    class CellProperties;
}

//   SdrTextObj

typedef std::unique_ptr<SdrPathObj, SdrObjectFreeOp> SdrPathObjUniquePtr;

class SVXCORE_DLLPUBLIC SdrTextObj : public SdrAttrObj, public svx::ITextProvider
{
private:
    // Cell needs access to ImpGetDrawOutliner();
    friend class sdr::table::Cell;
    friend class sdr::table::SdrTableRtfExporter;
    friend class sdr::table::SdrTableRTFParser;
    friend class TextChain;
    friend class TextChainFlow;
    friend class EditingTextChainFlow;

    // CustomShapeproperties need to access the "bTextFrame" member:
    friend class sdr::properties::CustomShapeProperties;

protected:
    virtual std::unique_ptr<sdr::properties::BaseProperties> CreateObjectSpecificProperties() override;
    virtual std::unique_ptr<sdr::contact::ViewContact> CreateObjectSpecificViewContact() override;

private:
    // This method is only allowed for sdr::properties::TextProperties
    SVX_DLLPRIVATE SdrOutliner* GetTextEditOutliner() const
    {
        return mpEditingOutliner;
    }

    // to allow sdr::properties::TextProperties access to SetPortionInfoChecked()
    // and GetTextEditOutliner()
    friend class sdr::properties::TextProperties;
    friend class sdr::properties::CellProperties;

    friend class ImpSdrObjTextLink;
    friend class ImpSdrObjTextLinkUserData;
    friend class SdrPowerPointImport; // for PowerPointImport
    friend class SdrExchangeView;     // for ImpGetDrawOutliner
    friend class SdrView;             // for ImpGetDrawOutliner
    friend class SdrObjEditView;      // for TextEdit
    friend class SdrMeasureObj;       // for ImpGetDrawOutliner
    friend class SvxMSDffManager;     // for ImpGetDrawOutliner
    friend class SdrObjCustomShape;   // for ImpGetDrawOutliner
    friend class SdrText;             // for ImpGetDrawOutliner

protected:
    // The "aRect" is also the rect of RectObj and CircObj.
    // When bTextFrame=sal_True the text will be formatted into this rect
    // When bTextFrame=sal_False the text will be centered around its middle
    tools::Rectangle maRect;

    // The GeoStat contains the rotation and shear angles
    GeoStat maGeo;

    // this is the active text
    std::unique_ptr<SdrText> mpText;

    // This contains the dimensions of the text
    Size maTextSize;

    // an Outliner*, so that
    // 1. the TextObj won't be edited simultaneously by multiple views, and
    // 2. when streaming while editing Flush() can be done
    SdrOutliner* mpEditingOutliner;

    // Possible values for eTextKind are:
    //     SdrObjKind::Text         regular text frame
    //     SdrObjKind::TitleText    TitleText for presentations
    //     SdrObjKind::OutlineText  OutlineText for presentations
    // eTextKind only has meaning when bTextFrame=sal_True, since otherwise
    // we're dealing with a labeled graphical object
    SdrObjKind meTextKind;

    // For text editing in SW Header/Footer it is necessary to be
    // able to set an offset for the text edit to allow text editing at the
    // position of the virtual object. This offset is used when setting up
    // and maintaining the OutlinerView.
    Point maTextEditOffset;

    virtual SdrObjectUniquePtr getFullDragClone() const override;


public:
    const Point& GetTextEditOffset() const { return maTextEditOffset; }
    void SetTextEditOffset(const Point& rNew) { maTextEditOffset = rNew; }

protected:
    bool mbIsUnchainableClone = false;

    // the successor in a chain
    SdrTextObj* mpNextInChain = nullptr;
    SdrTextObj* mpPrevInChain = nullptr;

    // For labeled graphical objects bTextFrame is FALSE. The block of text
    // will then be centered horizontally and vertically on aRect.
    // For bTextFalse=sal_True the text will be formatted into aRect.
    // The actual text frame is realized by an SdrRectObj with
    // bTextFrame=sal_True.
    bool mbTextFrame : 1;
    bool mbNoShear : 1; // disable shearing (->graphic+Ole+TextFrame)
    bool mbTextSizeDirty : 1;

    bool mbInEditMode : 1;   // Is this text object in edit mode?

    // For objects with free size (flow text). The flag is set by the
    // application on create. If the object width is later resized,
    // AutoGrowWidth will be disabled (set to sal_False). This flag will
    // then also be set to sal_False, so that the object behaves like a
    // normal text object.
    // Width resize can result from:
    // - Interactive Resize in single or multiple selections
    // - position/size dialog
    bool mbDisableAutoWidthOnDragging : 1;

    // Flag for allowing text animation. Default is sal_true.
    bool mbTextAnimationAllowed : 1;

    // flag for preventing recursive onEditOutlinerStatusEvent calls
    bool mbInDownScale : 1;

    SdrOutliner& ImpGetDrawOutliner() const;

private:
    // #101029#: Extracted from ImpGetDrawOutliner()
    SVX_DLLPRIVATE void ImpInitDrawOutliner( SdrOutliner& rOutl ) const;
    // #101029#: Extracted from Paint()
    SVX_DLLPRIVATE void ImpSetupDrawOutlinerForPaint( bool bContourFrame,
                                       SdrOutliner&     rOutliner,
                                       tools::Rectangle&       rTextRect,
                                       tools::Rectangle&       rAnchorRect,
                                       tools::Rectangle&       rPaintRect,
                                       Fraction&        aFitXCorrection ) const;
    void ImpAutoFitText( SdrOutliner& rOutliner ) const;
    void ImpAutoFitText( SdrOutliner& rOutliner, const Size& rShapeSize, bool bIsVerticalWriting ) const;
    SVX_DLLPRIVATE SdrObjectUniquePtr ImpConvertContainedTextToSdrPathObjs(bool bToPoly) const;
    SVX_DLLPRIVATE void ImpRegisterLink();
    SVX_DLLPRIVATE void ImpDeregisterLink();
    SVX_DLLPRIVATE ImpSdrObjTextLinkUserData* GetLinkUserData() const;

    static void AppendFamilyToStyleName(OUString& styleName, SfxStyleFamily family);

    static SfxStyleFamily ReadFamilyFromStyleName(const OUString& styleName);

protected:
    bool ImpCanConvTextToCurve() const;
    SdrPathObjUniquePtr ImpConvertMakeObj(const basegfx::B2DPolyPolygon& rPolyPolygon, bool bClosed, bool bBezier) const;
    SdrObjectUniquePtr ImpConvertAddText(SdrObjectUniquePtr pObj, bool bBezier) const;
    void ImpSetTextStyleSheetListeners();
    static void ImpSetCharStretching(SdrOutliner& rOutliner, const Size& rTextSize, const Size& rShapeSize, Fraction& rFitXCorrection);
    static void ImpJustifyRect(tools::Rectangle& rRect);
    void ImpCheckShear();
    tools::Rectangle ImpDragCalcRect(const SdrDragStat& rDrag) const;
    void ImpSetTextEditParams() const;
    void SetTextSizeDirty() { mbTextSizeDirty = true; }

    // rAnchorRect is InOut-Parameter!
    void ImpSetContourPolygon( SdrOutliner& rOutliner, tools::Rectangle const & rAnchorRect, bool bLineWidth ) const;

    virtual std::unique_ptr<SdrObjGeoData> NewGeoData() const override;
    virtual void SaveGeoData(SdrObjGeoData& rGeo) const override;
    virtual void RestoreGeoData(const SdrObjGeoData& rGeo) override;
    void NbcSetEckenradius(tools::Long nRad);

    // #115391# new method for SdrObjCustomShape and SdrTextObj to correctly handle and set
    // SdrTextMinFrameWidthItem and SdrTextMinFrameHeightItem based on all settings, necessities
    // and object sizes
    virtual void AdaptTextMinSize();

    // constructors for labeled graphical objects
    SdrTextObj(SdrModel& rSdrModel);
    SdrTextObj(
        SdrModel& rSdrModel,
        const tools::Rectangle& rNewRect);

    // constructors for text frames
    SdrTextObj(
        SdrModel& rSdrModel,
        SdrObjKind eNewTextKind);
    SdrTextObj(
        SdrModel& rSdrModel,
        SdrObjKind eNewTextKind,
        const tools::Rectangle& rNewRect);

    // copy constructor
    SdrTextObj(SdrModel& rSdrModel, SdrTextObj const & rSource);

    // protected destructor
    virtual ~SdrTextObj() override;

public:

    bool IsInEditMode() const { return mbInEditMode; }

    // Currently ASCII and RTF are supported and the differentiation is done
    // internally.
    // rFilterName has no meaning and must be empty
    // Normally the application only has to call SetTextLink() - the
    // remainder is automatic (SfxLinkManager).
    // The LoadText() method can also be used to load a file into a text
    // object (without linking.)
    // TextLinks can't be edited (if needed later could be ReadOnly).
    // Setting attributes can only be done on the text frame.
    void SetTextLink(const OUString& rFileName, const OUString& rFilterName);
    void ReleaseTextLink();
    bool IsLinkedText() const { return m_pPlusData != nullptr && GetLinkUserData() != nullptr; }
    bool ReloadLinkedText(bool bForceLoad);
    bool LoadText(const OUString& rFileName, rtl_TextEncoding eCharSet);

    virtual bool AdjustTextFrameWidthAndHeight(tools::Rectangle& rR, bool bHgt = true, bool bWdt = true) const;
    virtual bool NbcAdjustTextFrameWidthAndHeight(bool bHgt = true, bool bWdt = true);
    virtual bool AdjustTextFrameWidthAndHeight();
    bool IsTextFrame() const { return mbTextFrame; }
    bool IsOutlText() const { return mbTextFrame && (meTextKind==SdrObjKind::OutlineText || meTextKind==SdrObjKind::TitleText); }
    bool IsAutoFit() const;
    bool IsFitToSize() const;

    // Chaining
    SdrTextObj *GetNextLinkInChain() const;
    void SetNextLinkInChain(SdrTextObj *);
    SdrTextObj *GetPrevLinkInChain() const;
    bool IsChainable() const;
    bool GetPreventChainable() const;
    TextChain *GetTextChain() const;

    SdrObjKind GetTextKind() const { return meTextKind; }

    // #i121917#
    virtual bool HasText() const override;

    bool IsTextEditActive() const { return mpEditingOutliner != nullptr; }

    virtual SdrText* getActiveText() const;

    virtual SdrText* getText( sal_Int32 nIndex ) const override;

    virtual sal_Int32 getTextCount() const override;

    virtual bool IsReallyEdited() const;

    virtual void setActiveText( sal_Int32 nIndex );

    virtual sal_Int32 CheckTextHit(const Point& rPnt) const;

    void SetDisableAutoWidthOnDragging(bool bOn) { mbDisableAutoWidthOnDragging=bOn; }
    void NbcSetText(const OUString& rStr);
    void SetText(const OUString& rStr);
    void NbcSetText(SvStream& rInput, const OUString& rBaseURL, EETextFormat eFormat);
    void SetText(SvStream& rInput, const OUString& rBaseURL, EETextFormat eFormat);

    // FitToSize and Fontwork are not taken into account in GetTextSize()!
    virtual const Size& GetTextSize() const;
    void FitFrameToTextSize();
    sal_uInt16 GetFontScaleY() const;

    // Simultaneously sets the text into the Outliner (possibly
    // the one of the EditOutliner) and sets the PaperSize.
    virtual void TakeTextRect( SdrOutliner& rOutliner, tools::Rectangle& rTextRect, bool bNoEditText,
        tools::Rectangle* pAnchorRect, bool bLineWidth = true ) const;
    // Takes writing direction into account when adjusting the rectangle
    void AdjustRectToTextDistance(tools::Rectangle& rAnchorRect) const;
    virtual void TakeTextAnchorRect(::tools::Rectangle& rAnchorRect) const;
    const GeoStat& GetGeoStat() const { return maGeo; }

    // get corner radius
    tools::Long GetEckenradius() const;
    virtual bool IsAutoGrowHeight() const;
    tools::Long GetMinTextFrameHeight() const;
    tools::Long GetMaxTextFrameHeight() const;
    virtual bool IsAutoGrowWidth() const;
    tools::Long GetMinTextFrameWidth() const;
    tools::Long GetMaxTextFrameWidth() const;

    css::drawing::TextFitToSizeType GetFitToSize() const;
    const tools::Rectangle &GetGeoRect() const;

    // check if it's a TextFontwork
    virtual bool IsFontwork() const;

    // should the Fontwork contour be hidden?
    bool IsHideContour() const;

    // text flow within contour
    bool IsContourTextFrame() const;

    SdrTextHorzAdjust GetTextHorizontalAdjust(const SfxItemSet& rSet) const;
    SdrTextHorzAdjust GetTextHorizontalAdjust() const;

    SdrTextVertAdjust GetTextVerticalAdjust(const SfxItemSet& rSet) const;
    SdrTextVertAdjust GetTextVerticalAdjust() const;

    tools::Long GetTextLeftDistance() const;
    tools::Long GetTextRightDistance() const;
    tools::Long GetTextUpperDistance() const;
    tools::Long GetTextLowerDistance() const;
    SdrTextAniKind GetTextAniKind() const;
    SdrTextAniDirection GetTextAniDirection() const;

    bool HasTextColumnsNumber() const;
    sal_Int16 GetTextColumnsNumber() const;
    void SetTextColumnsNumber(sal_Int16 nColumns);
    bool HasTextColumnsSpacing() const;
    sal_Int32 GetTextColumnsSpacing() const;
    void SetTextColumnsSpacing(sal_Int32 nSpacing);

    // react on model/page change
    virtual void handlePageChange(SdrPage* pOldPage, SdrPage* pNewPage) override;

    virtual void TakeObjInfo(SdrObjTransformInfoRec& rInfo) const override;
    virtual SdrObjKind GetObjIdentifier() const override;

    // needed to determine text anchor area
    virtual void TakeUnrotatedSnapRect(tools::Rectangle& rRect) const;
    virtual OUString TakeObjNameSingul() const override;
    virtual OUString TakeObjNamePlural() const override;
    virtual SdrTextObj* CloneSdrObject(SdrModel& rTargetModel) const override;
    virtual basegfx::B2DPolyPolygon TakeXorPoly() const override;
    virtual basegfx::B2DPolyPolygon TakeContour() const override;
    virtual void RecalcSnapRect() override;
    virtual void NbcSetSnapRect(const tools::Rectangle& rRect) override;
    virtual void NbcSetLogicRect(const tools::Rectangle& rRect) override;
    virtual const tools::Rectangle& GetLogicRect() const override;
    virtual Degree100 GetRotateAngle() const override;
    virtual Degree100 GetShearAngle(bool bVertical = false) const override;

    virtual sal_uInt32 GetSnapPointCount() const override;
    virtual Point GetSnapPoint(sal_uInt32 i) const override;

    virtual sal_uInt32 GetHdlCount() const override;
    virtual void AddToHdlList(SdrHdlList& rHdlList) const override;

    // special drag methods
    virtual bool hasSpecialDrag() const override;
    virtual bool applySpecialDrag(SdrDragStat& rDrag) override;
    virtual OUString getSpecialDragComment(const SdrDragStat& rDrag) const override;

    virtual bool BegCreate(SdrDragStat& rStat) override;
    virtual bool MovCreate(SdrDragStat& rStat) override;
    virtual bool EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd) override;
    virtual bool BckCreate(SdrDragStat& rStat) override;
    virtual void BrkCreate(SdrDragStat& rStat) override;
    virtual basegfx::B2DPolyPolygon TakeCreatePoly(const SdrDragStat& rDrag) const override;
    virtual PointerStyle GetCreatePointer() const override;

    virtual void NbcMove(const Size& rSiz) override;
    virtual void NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact) override;
    virtual void NbcRotate(const Point& rRef, Degree100 nAngle, double sn, double cs) override;
    virtual void NbcMirror(const Point& rRef1, const Point& rRef2) override;
    virtual void NbcShear(const Point& rRef, Degree100 nAngle, double tn, bool bVShear) override;

    virtual bool HasTextEdit() const override;
    // returns true if TextEditMode started
    virtual bool BegTextEdit(SdrOutliner& rOutl);
    virtual void TakeTextEditArea(Size* pPaperMin, Size* pPaperMax, tools::Rectangle* pViewInit, tools::Rectangle* pViewMin) const;
    virtual void EndTextEdit(SdrOutliner& rOutl);
    virtual EEAnchorMode GetOutlinerViewAnchorMode() const;

    virtual void NbcSetOutlinerParaObject(std::optional<OutlinerParaObject> pTextObject) override;
    void NbcSetOutlinerParaObjectForText( std::optional<OutlinerParaObject> pTextObject, SdrText* pText );
    virtual OutlinerParaObject* GetOutlinerParaObject() const override;
    bool CanCreateEditOutlinerParaObject() const;
    std::optional<OutlinerParaObject> CreateEditOutlinerParaObject() const;

    virtual void NbcReformatText() override;

    virtual bool CalcFieldValue(const SvxFieldItem& rField, sal_Int32 nPara, sal_uInt16 nPos,
        bool bEdit, std::optional<Color>& rpTxtColor, std::optional<Color>& rpFldColor, OUString& rRet) const;

    virtual SdrObjectUniquePtr DoConvertToPolyObj(bool bBezier, bool bAddText) const override;

    void SetTextEditOutliner(SdrOutliner* pOutl) { mpEditingOutliner = pOutl; }

    void SetupOutlinerFormatting( SdrOutliner& rOutl, tools::Rectangle& rPaintRect ) const;

    void UpdateOutlinerFormatting( SdrOutliner& rOutl, tools::Rectangle& rPaintRect ) const;
    void ForceOutlinerParaObject();
    virtual bool IsVerticalWriting() const;
    virtual void SetVerticalWriting(bool bVertical);
    bool IsTopToBottom() const;

    virtual void onEditOutlinerStatusEvent( EditStatus* pEditStatus );

    void onChainingEvent();


    // transformation interface for StarOfficeAPI. This implements support for
    // homogen 3x3 matrices containing the transformation of the SdrObject. At the
    // moment it contains a shearX, rotation and translation, but for setting all linear
    // transforms like Scale, ShearX, ShearY, Rotate and Translate are supported.


    // gets base transformation and rectangle of object. If it's an SdrPathObj it fills the PolyPolygon
    // with the base geometry and returns TRUE. Otherwise it returns FALSE.
    virtual bool TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegfx::B2DPolyPolygon& rPolyPolygon) const override;

    // sets the base geometry of the object using infos contained in the homogen 3x3 matrix.
    // If it's an SdrPathObj it will use the provided geometry information. The Polygon has
    // to use (0,0) as upper left and will be scaled to the given size in the matrix.
    virtual void TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& rPolyPolygon) override;

    // #103836# iterates over the paragraphs of a given SdrObject and removes all
    //          hard set character attributes with the which ids contained in the
    //          given vector
    void RemoveOutlinerCharacterAttribs( const std::vector<sal_uInt16>& rCharWhichIds );

    // Get necessary data for text scroll animation. ATM base it on a Text-Metafile and a
    // painting rectangle. Rotation is taken from the object.
    GDIMetaFile* GetTextScrollMetaFileAndRectangle(tools::Rectangle& rScrollRectangle, tools::Rectangle& rPaintRectangle);

    // Access to TextAnimationAllowed flag
    void SetTextAnimationAllowed(bool bNew);

    // #i8824#
    // Set single item at the local ItemSet. *Does not use* AllowItemChange(),
    // ItemChange(), PostItemChange() and ItemSetChanged() calls.
    void SetObjectItemNoBroadcast(const SfxPoolItem& rItem);
    double GetCameraZRotation() const;

public:

    // text primitive decomposition helpers
    void impDecomposeContourTextPrimitive(
        drawinglayer::primitive2d::Primitive2DContainer& rTarget,
        const drawinglayer::primitive2d::SdrContourTextPrimitive2D& rSdrContourTextPrimitive,
        const drawinglayer::geometry::ViewInformation2D& aViewInformation) const;
    void impDecomposePathTextPrimitive(
        drawinglayer::primitive2d::Primitive2DContainer& rTarget,
        const drawinglayer::primitive2d::SdrPathTextPrimitive2D& rSdrPathTextPrimitive,
        const drawinglayer::geometry::ViewInformation2D& aViewInformation) const;
    void impDecomposeBlockTextPrimitive(
        drawinglayer::primitive2d::Primitive2DContainer& rTarget,
        const drawinglayer::primitive2d::SdrBlockTextPrimitive2D& rSdrBlockTextPrimitive,
        const drawinglayer::geometry::ViewInformation2D& aViewInformation) const;
    void impDecomposeAutoFitTextPrimitive(
        drawinglayer::primitive2d::Primitive2DContainer& rTarget,
        const drawinglayer::primitive2d::SdrAutoFitTextPrimitive2D& rSdrAutofitTextPrimitive,
        const drawinglayer::geometry::ViewInformation2D& aViewInformation) const;
    void impDecomposeStretchTextPrimitive(
        drawinglayer::primitive2d::Primitive2DContainer& rTarget,
        const drawinglayer::primitive2d::SdrStretchTextPrimitive2D& rSdrStretchTextPrimitive,
        const drawinglayer::geometry::ViewInformation2D& aViewInformation) const;
    void impDecomposeChainedTextPrimitive(
        drawinglayer::primitive2d::Primitive2DContainer& rTarget,
        const drawinglayer::primitive2d::SdrChainedTextPrimitive2D& rSdrChainedTextPrimitive,
        const drawinglayer::geometry::ViewInformation2D& aViewInformation) const;
    void impHandleChainingEventsDuringDecomposition(SdrOutliner &rOutliner) const;

    // timing generators
    void impGetBlinkTextTiming(drawinglayer::animation::AnimationEntryList& rAnimList) const;
    void impGetScrollTextTiming(drawinglayer::animation::AnimationEntryList& rAnimList, double fFrameLength, double fTextLength) const;

    // Direct decomposer for text visualization when you already have a prepared
    // Outliner containing all the needed information
    static void impDecomposeBlockTextPrimitiveDirect(
        drawinglayer::primitive2d::Primitive2DContainer& rTarget,
        SdrOutliner& rOutliner,
        const basegfx::B2DHomMatrix& rNewTransformA,
        const basegfx::B2DHomMatrix& rNewTransformB,
        const basegfx::B2DRange& rClipRange);

    static bool HasTextImpl( SdrOutliner const * pOutliner );

    friend class ::SdrTextObjTest;
};

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