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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 .
 */

#ifndef INCLUDED_FILTER_MSFILTER_MSDFFIMP_HXX
#define INCLUDED_FILTER_MSFILTER_MSDFFIMP_HXX

#include <string.h>

#include <map>
#include <memory>
#include <set>
#include <vector>

#include <boost/ptr_container/ptr_vector.hpp>
#include <boost/ptr_container/ptr_set.hpp>

#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/embed/XEmbeddedObject.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>

#include <tools/solar.h>
#include <tools/color.hxx>
#include <tools/gen.hxx>

#include <vcl/graph.hxx>

#include <svx/msdffdef.hxx>
#include <filter/msfilter/dffpropset.hxx>
#include <filter/msfilter/dffrecordheader.hxx>

#include <filter/msfilter/msfilterdllapi.h>

class Graphic;
class SotStorage;
class SvStream;
class SdrObject;
class SdrOle2Obj;
class Polygon;
namespace tools { class PolyPolygon; }
class FmFormModel;
class SdrModel;
class SwFlyFrameFormat;

struct SvxMSDffBLIPInfo;
struct SvxMSDffShapeInfo;
struct SvxMSDffShapeOrder;

class SvxMSDffManager;
class SfxItemSet;
class SdrObject;
class SdrTextObj;
struct DffObjData;

namespace com { namespace sun { namespace star { namespace embed {
    class XStorage;
} } } }

class MSFILTER_DLLPUBLIC DffPropertyReader : public DffPropSet
{
    const SvxMSDffManager&  rManager;
    DffPropSet*             pDefaultPropSet;

    void ApplyCustomShapeTextAttributes( SfxItemSet& rSet ) const;
    void CheckAndCorrectExcelTextRotation( SvStream& rIn, SfxItemSet& rSet, DffObjData& rObjData ) const;
    void ApplyCustomShapeAdjustmentAttributes( SfxItemSet& rSet ) const;
    void ApplyCustomShapeGeometryAttributes( SvStream& rIn,
                                             SfxItemSet& rSet,
                                             const DffObjData& rObjData ) const;
    void ApplyLineAttributes( SfxItemSet& rSet, const MSO_SPT eShapeType ) const; // #i28269#
    void ApplyFillAttributes( SvStream& rIn, SfxItemSet& rSet, const DffObjData& rObjData ) const;

public:
    sal_Int32 mnFix16Angle;
    bool      mbRotateGranientFillWithAngle;

    explicit DffPropertyReader( const SvxMSDffManager& rManager );
    ~DffPropertyReader();
    static sal_Int32 Fix16ToAngle( sal_Int32 nAngle );

#ifdef DBG_CUSTOMSHAPE
    void ReadPropSet( SvStream& rIn, void* pClientData, sal_uInt32 nShapeType = 0 ) const;
#else
    void ReadPropSet( SvStream& rIn, void* pClientData ) const;
#endif

    void SetDefaultPropSet( SvStream& rIn, sal_uInt32 nOffDgg ) const;
    void ApplyAttributes( SvStream& rIn, SfxItemSet& rSet ) const;
    void ApplyAttributes( SvStream& rIn, SfxItemSet& rSet, DffObjData& rObjData ) const;
    void ImportGradientColor( SfxItemSet& aSet, MSO_FillType eMSO_FillType, double dTrans = 1.0 , double dBackTrans = 1.0 ) const;
};

#define COL_DEFAULT RGB_COLORDATA( 0xFA, 0xFB, 0xFC )

typedef ::std::map< sal_Int32, SdrObject* > SvxMSDffShapeIdContainer;

#define SVEXT_PERSIST_STREAM "\002OlePres000"

// the following two will be sorted by the order of their appearance:
typedef boost::ptr_vector<SvxMSDffBLIPInfo> SvxMSDffBLIPInfos;
typedef boost::ptr_vector<SvxMSDffShapeOrder> SvxMSDffShapeOrders;

struct MSFILTER_DLLPUBLIC CompareSvxMSDffShapeInfoById
{
    bool operator()(std::shared_ptr<SvxMSDffShapeInfo> const& lhs,
                    std::shared_ptr<SvxMSDffShapeInfo> const& rhs) const;
};
struct MSFILTER_DLLPUBLIC CompareSvxMSDffShapeInfoByTxBxComp
{
    bool operator()(std::shared_ptr<SvxMSDffShapeInfo> const& lhs,
                    std::shared_ptr<SvxMSDffShapeInfo> const& rhs) const;
};

// the following will be sorted explicitly:
typedef ::std::set< std::shared_ptr<SvxMSDffShapeInfo>,
            CompareSvxMSDffShapeInfoById > SvxMSDffShapeInfos_ById;
typedef ::std::multiset< std::shared_ptr<SvxMSDffShapeInfo>,
            CompareSvxMSDffShapeInfoByTxBxComp> SvxMSDffShapeInfos_ByTxBxComp;

#define SVXMSDFF_SETTINGS_CROP_BITMAPS      1
#define SVXMSDFF_SETTINGS_IMPORT_PPT        2
#define SVXMSDFF_SETTINGS_IMPORT_EXCEL      4

#define SP_FGROUP       0x001   ///< This shape is a group shape
#define SP_FPATRIARCH   0x004   ///< This is the topmost group shape.
                                ///< Exactly one of these per drawing.
#define SP_FOLESHAPE    0x010   ///< The shape is an OLE object
#define SP_FHAVEMASTER  0x020   ///< Shape has a hspMaster property
#define SP_FFLIPH       0x040   ///< Shape is flipped horizontally
#define SP_FFLIPV       0x080   ///< Shape is flipped vertically
#define SP_FBACKGROUND  0x400   ///< Background shape

// for the CreateSdrOLEFromStorage we need the information, how we handle
// convert able OLE-Objects - this ist stored in
#define OLE_MATHTYPE_2_STARMATH             0x0001
#define OLE_WINWORD_2_STARWRITER            0x0002
#define OLE_EXCEL_2_STARCALC                0x0004
#define OLE_POWERPOINT_2_STARIMPRESS        0x0008

struct SvxMSDffConnectorRule
{
    sal_uInt32  nRuleId;
    sal_uInt32  nShapeA;   ///< SPID of shape A
    sal_uInt32  nShapeB;   ///< SPID of shape B
    sal_uInt32  nShapeC;   ///< SPID of connector shape
    sal_uInt32  ncptiA;    ///< Connection site Index of shape A
    sal_uInt32  ncptiB;    ///< Connection site Index of shape B
    sal_uInt32  nSpFlagsA; ///< SpFlags of shape A (the original mirror flags
                           ///< must be known when solving the Solver Container)
    sal_uInt32  nSpFlagsB; ///< SpFlags of shape B

    SdrObject*  pAObj;     ///< pPtr of object (corresponding to shape A)
    SdrObject*  pBObj;     ///< pPtr of object (corresponding to shape B)
    SdrObject*  pCObj;     ///< pPtr of connector object

    SvxMSDffConnectorRule()
        : nRuleId(0)
        , nShapeA(0)
        , nShapeB(0)
        , nShapeC(0)
        , ncptiA(0)
        , ncptiB(0)
        , nSpFlagsA( 0 )
        , nSpFlagsB( 0 )
        , pAObj( NULL )
        , pBObj( NULL )
        , pCObj( NULL )
        {};

    friend SvStream& ReadSvxMSDffConnectorRule( SvStream& rIn, SvxMSDffConnectorRule& rAtom );
};

typedef ::std::vector< SvxMSDffConnectorRule* > SvxMSDffConnectorRuleList;

struct MSFILTER_DLLPUBLIC SvxMSDffSolverContainer
{
    SvxMSDffConnectorRuleList   aCList;

    SvxMSDffSolverContainer();
    ~SvxMSDffSolverContainer();

    MSFILTER_DLLPUBLIC friend SvStream& ReadSvxMSDffSolverContainer( SvStream& rIn, SvxMSDffSolverContainer& rAtom );
};

struct FIDCL
{
    sal_uInt32  dgid;       ///< DG owning the SPIDs in this cluster
    sal_uInt32  cspidCur;   ///< number of SPIDs used so far
};

/// provided by SvxMSDffManager for each shape in a group
struct MSDffTxId
{
    sal_uInt16 nTxBxS;
    sal_uInt16 nSequence;
    MSDffTxId( sal_uInt16 nTxBxS_, sal_uInt16 nSequence_ )
        : nTxBxS( nTxBxS_ ), nSequence( nSequence_ ){}
    MSDffTxId( const MSDffTxId& rCopy )
        : nTxBxS( rCopy.nTxBxS ), nSequence( rCopy.nSequence ){}
};

struct MSFILTER_DLLPUBLIC SvxMSDffImportRec
{
    static const int RELTO_DEFAULT = 2;

    SdrObject*      pObj;
    Polygon*        pWrapPolygon;
    char*           pClientAnchorBuffer;
    sal_uInt32      nClientAnchorLen;
    char*           pClientDataBuffer;
    sal_uInt32      nClientDataLen;
    sal_uInt32      nXAlign;
    sal_uInt32      *pXRelTo;
    sal_uInt32      nYAlign;
    sal_uInt32      *pYRelTo;
    sal_uInt32      nLayoutInTableCell;
    sal_uInt32      nFlags;
    sal_Int32       nTextRotationAngle;
    sal_Int32       nDxTextLeft;    ///< distance of text box from surrounding shape
    sal_Int32       nDyTextTop;
    sal_Int32       nDxTextRight;
    sal_Int32       nDyTextBottom;
    sal_Int32       nDxWrapDistLeft;
    sal_Int32       nDyWrapDistTop;
    sal_Int32       nDxWrapDistRight;
    sal_Int32       nDyWrapDistBottom;
    sal_Int32       nCropFromTop;
    sal_Int32       nCropFromBottom;
    sal_Int32       nCropFromLeft;
    sal_Int32       nCropFromRight;
    MSDffTxId       aTextId;        ///< identifier for text boxes
    sal_uLong       nNextShapeId;   ///< for linked text boxes
    sal_uLong       nShapeId;
    MSO_SPT         eShapeType;
    MSO_LineStyle   eLineStyle;     ///< border types
    MSO_LineDashing eLineDashing;
    bool            bDrawHell       :1;
    bool            bHidden         :1;
    bool            bReplaceByFly   :1;
    bool            bVFlip          :1;
    bool            bHFlip          :1;
    bool            bAutoWidth      :1;
    int             relativeHorizontalWidth; ///< in 0.1% or -1 for none
    bool            isHorizontalRule;

    SvxMSDffImportRec();
    SvxMSDffImportRec(const SvxMSDffImportRec& rCopy);
    ~SvxMSDffImportRec();

    bool operator==( const SvxMSDffImportRec& rEntry ) const
    {   return nShapeId == rEntry.nShapeId; }
    bool operator<( const SvxMSDffImportRec& rEntry ) const
    {   return nShapeId < rEntry.nShapeId;  }

private:
    SvxMSDffImportRec &operator=(const SvxMSDffImportRec&) SAL_DELETED_FUNCTION;
};

/** list of all SvxMSDffImportRec instances of/for a group */
class MSDffImportRecords
    : public ::boost::ptr_set<SvxMSDffImportRec>
{};

/** block of parameters for import/export for a single call of
    ImportObjAtCurrentStreamPos() */
struct SvxMSDffImportData
{
    MSDffImportRecords  aRecords;   ///< Shape pointer, Shape ids and private data
    Rectangle           aParentRect;///< Rectangle of the surrounding groups,
                                    ///< which might have been provided externally
    Rectangle           aNewRect;   ///< Rectangle that is defined by this shape

    SvxMSDffImportData()
        {}
    explicit SvxMSDffImportData( const Rectangle& rParentRect ) : aParentRect( rParentRect ) {}
    void SetNewRect(sal_Int32 left, sal_Int32 top, sal_Int32 right, sal_Int32 bottom )
        { aNewRect = Rectangle(left, top, right, bottom); }
    bool HasParRect() const { return aParentRect.IsEmpty(); }
    bool HasNewRect() const { return aNewRect.IsEmpty()   ; }
    bool empty() const { return aRecords.empty(); }
    size_t size() const { return aRecords.size(); }
    MSDffImportRecords::const_iterator begin() const { return aRecords.begin();  }
    MSDffImportRecords::const_iterator end() const { return aRecords.end();  }
};

struct DffObjData
{
    const DffRecordHeader&  rSpHd;

    Rectangle   aBoundRect;
    Rectangle   aChildAnchor;

    sal_uInt32  nShapeId;
    sal_uInt32  nSpFlags;
    MSO_SPT     eShapeType;

    bool        bShapeType     : 1;
    bool        bClientAnchor  : 1;
    bool        bClientData    : 1;
    bool        bChildAnchor   : 1;
    bool        bOpt           : 1;
    bool        bOpt2          : 1;
    bool        bIsAutoText    : 1;
    bool        bRotateTextWithShape : 1;
    bool        bPageAnchor;
    int         nCalledByGroup;

    DffObjData( const DffRecordHeader& rObjHd,
                const Rectangle& rBoundRect,
                int   nClByGroup ) :
        rSpHd( rObjHd ),
        aBoundRect( rBoundRect ),
        nShapeId( 0 ),
        nSpFlags( 0 ),
        eShapeType( mso_sptNil ),
        bShapeType( false ),
        bClientAnchor( false ),
        bClientData( false ),
        bChildAnchor( false ),
        bOpt( false ),
        bOpt2( false ),
        bIsAutoText( false ),
        bRotateTextWithShape( true ),
        bPageAnchor( true ),
        nCalledByGroup( nClByGroup ){}
};

#define DFF_RECORD_MANAGER_BUF_SIZE         64

struct DffRecordList
{
    sal_uInt32          nCount;
    sal_uInt32          nCurrent;
    DffRecordList*      pPrev;
    DffRecordList*      pNext;

    DffRecordHeader     mHd[ DFF_RECORD_MANAGER_BUF_SIZE ];

    explicit DffRecordList( DffRecordList* pList );
    ~DffRecordList();
};

enum DffSeekToContentMode
{
    SEEK_FROM_BEGINNING,
    SEEK_FROM_CURRENT,
    SEEK_FROM_CURRENT_AND_RESTART
};

class MSFILTER_DLLPUBLIC DffRecordManager : public DffRecordList
{
public :
        DffRecordList*   pCList;

        void             Clear();
        void             Consume( SvStream& rIn,
                                  bool bAppend = false,
                                  sal_uInt32 nStOfs = 0 );

        bool             SeekToContent( SvStream& rIn,
                                        sal_uInt16 nRecType,
                                        DffSeekToContentMode eMode = SEEK_FROM_BEGINNING );
        DffRecordHeader* GetRecordHeader( sal_uInt16 nRecType,
                                          DffSeekToContentMode eMode = SEEK_FROM_BEGINNING );

        DffRecordManager();
        explicit DffRecordManager( SvStream& rIn );

        DffRecordHeader* Current();
        DffRecordHeader* First();
        DffRecordHeader* Next();
        DffRecordHeader* Prev();
        DffRecordHeader* Last();
};

/** abstract base class for Escher imports

    Purpose: access to objects in Drawing File Format

    Note: The method ProcessUserDefinedRecord() _has_ to be implemented in the
          inheriting class(es) that is/are eventually used for PowerPoint, Word,
          or Excel importing.

    Status: Currently only access to BLIPs (will be extended later)
*/
class MSFILTER_DLLPUBLIC SvxMSDffManager : public DffPropertyReader
{
    FmFormModel*            pFormModel;
    SvxMSDffBLIPInfos*      pBLIPInfos;
    std::unique_ptr<SvxMSDffShapeInfos_ByTxBxComp> m_xShapeInfosByTxBxComp;
    std::unique_ptr<SvxMSDffShapeInfos_ById> m_xShapeInfosById;
    SvxMSDffShapeOrders*    pShapeOrders;
    sal_uLong               nDefaultFontHeight;
    sal_uInt32              nOffsDgg;
    sal_uInt16              nBLIPCount;
    sal_uInt16              nShapeCount;
    sal_uInt32              nGroupShapeFlags;

    void CheckTxBxStoryChain();
    void GetFidclData(sal_uInt32 nOffsDgg);

protected :
    typedef std::map<sal_uInt32, sal_uInt32> OffsetMap;

    OUString        maBaseURL;
    sal_uInt32      mnCurMaxShapeId;    // we need this information to
    sal_uInt32      mnDrawingsSaved;    // access the right drawing
    sal_uInt32      mnIdClusters;       // while only knowing the shapeid
    std::vector<FIDCL> maFidcls;
    OffsetMap       maDgOffsetTable;    ///< array of fileoffsets

    friend class DffPropertyReader;

    SvStream&       rStCtrl;
    SvStream*       pStData;
    SvStream*       pStData2;
    SdrModel*       pSdrModel;

    long            nMapMul;
    long            nMapDiv;
    long            nMapXOfs;
    long            nMapYOfs;
    long            nEmuMul;
    long            nEmuDiv;
    long            nPntMul;
    long            nPntDiv;
    bool            bNeedMap;
    sal_uInt32      nSvxMSDffSettings;
    sal_uInt32      nSvxMSDffOLEConvFlags;

    /** stores a reference to an imported SdrObject
        with its shape id if it has one */
    SvxMSDffShapeIdContainer    maShapeIdContainer;

    void GetCtrlData(sal_uInt32 nOffsDgg);
    void GetDrawingGroupContainerData( SvStream& rSt,
                                       sal_uLong nLenDgg );
    // #156763#
    // Add internal drawing container id as parameter to the sub methods of
    // reading the control information about the drawing objects.
    // The drawing container id is used to distinguish the text ids of drawing
    // objects in different drawing containers.
    void GetDrawingContainerData( SvStream& rSt,
                                  sal_uLong nLenDg,
                                  const unsigned long nDrawingContainerId );
    bool GetShapeGroupContainerData( SvStream& rSt,
                                     sal_uLong nLenShapeGroupCont,
                                     bool bPatriarch,
                                     const unsigned long nDrawingContainerId );
    bool GetShapeContainerData( SvStream& rSt,
                                sal_uLong nLenShapeCont,
                                sal_uLong nPosGroup,
                                const unsigned long nDrawingContainerId );

    bool ReadGraphic( SvStream& rSt, sal_uLong nIndex, Graphic& rGraphic ) const;
    SdrObject* ImportGraphic( SvStream&, SfxItemSet&, const DffObjData& );
    // #i32596# - pass <nCalledByGroup> to method
    // Needed in Writer's Microsoft Word import to avoid import of OLE objects
    // inside groups. Instead a graphic object is created.
    virtual SdrObject* ImportOLE( long nOLEId,
                                  const Graphic& rGraf,
                                  const Rectangle& rBoundRect,
                                  const Rectangle& rVisArea,
                                  const int _nCalledByGroup,
                                  sal_Int64 nAspect ) const;
    static com::sun::star::uno::Reference < com::sun::star::embed::XEmbeddedObject > CheckForConvertToSOObj(
                sal_uInt32 nConvertFlags, SotStorage& rSrcStg,
                const com::sun::star::uno::Reference < com::sun::star::embed::XStorage >& xDestStg,
                const Graphic& rGrf,
                const Rectangle& rVisArea );

// the following methods need to be overridden for Excel imports
    static bool ProcessClientAnchor( SvStream& rStData,
                                          sal_uInt32 nDatLen,
                                          char*& rpBuff,
                                          sal_uInt32& rBuffLen );
    virtual void ProcessClientAnchor2( SvStream& rStData,
                                       DffRecordHeader& rHd,
                                       void* pData, DffObjData& );
    static bool ProcessClientData( SvStream& rStData,
                                        sal_uInt32 nDatLen,
                                        char*& rpBuff,
                                        sal_uInt32& rBuffLen );
    virtual SdrObject* ProcessObj( SvStream& rSt,
                                   DffObjData& rData,
                                   void* pData,
                                   Rectangle& rTextRect,
                                   SdrObject* pObj = NULL);
    virtual bool GetColorFromPalette(sal_uInt16 nNum, Color& rColor) const;

    // Fontwork objects use a new implementation of ReadObjText because the old
    // one does not properly import multiple paragraphs.
    static void ReadObjText( const OUString& rText, SdrObject* pObj );

// the following method needs to be overridden for the import of OLE objects
    virtual bool GetOLEStorageName( long nOLEId,
                                        OUString& rStorageName,
                                        tools::SvRef<SotStorage>& rSrcStorage,
                      com::sun::star::uno::Reference < com::sun::star::embed::XStorage >& xDestStg
                                    ) const;

    /** Prevent that (rounded) rectangles with wrapped text will always be
        converted into SdrRectObj( OBJ_TEXT ).

        @return true means "conversion".
    */
    virtual bool ShapeHasText(sal_uLong nShapeId, sal_uLong nFilePos) const;

public:
    DffPropertyReader* pSecPropSet;
    std::map<sal_uInt32,OString> aEscherBlipCache;

    DffRecordManager    maShapeRecords;
    ColorData           mnDefaultColor;

    bool                mbTracing;
    bool                mbSkipImages;

    Color MSO_TEXT_CLR_ToColor( sal_uInt32 nColorCode ) const;
    Color MSO_CLR_ToColor( sal_uInt32 nColorCode,
                           sal_uInt16 nContextProperty = DFF_Prop_lineColor ) const;
    virtual bool SeekToShape( SvStream& rSt,
                                  void* pClientData,
                                  sal_uInt32 nId ) const;
    static bool SeekToRec( SvStream& rSt,
                    sal_uInt16 nRecId,
                    sal_uLong nMaxFilePos,
                    DffRecordHeader* pRecHd = NULL,
                    sal_uLong nSkipCount = 0 );
    bool SeekToRec2( sal_uInt16 nRecId1,
                     sal_uInt16 nRecId2,
                     sal_uLong nMaxFilePos,
                     DffRecordHeader* pRecHd = NULL,
                     sal_uLong nSkipCount = 0 ) const;

    static OUString MSDFFReadZString( SvStream& rIn,
                                           sal_uInt32 nMaxLen,
                                           bool bUniCode = false);

    static bool ReadCommonRecordHeader( SvStream& rSt,
                                        sal_uInt8& rVer,
                                        sal_uInt16& rInst,
                                        sal_uInt16& rFbt,
                                        sal_uInt32& rLength) SAL_WARN_UNUSED_RESULT;

// TODO: provide proper documentation here
    /** constructor

        sets nBLIPCount

        @param rStCtrl             Management stream with containers, FBSE
                                   objects and shapes (mandatory; stream needs
                                   to be open already)
        @param rBaseURL            ???
        @param nOffsDgg            offset in rStrCtrl; beginning of the drawing
                                   group container
        @param pStData             data stream in that the BLIPs are stored (if
                                   NULL it is assumed that all BLIPs are also in
                                   the rStCtrl; stream needs to be open already)
        @param pSdrModel_          ??? (can be empty during Ctor call but needs
                                   to be set via SetModel() later in that case!)
        @param nApplicationScale   ???
        @param mnDefaultColor_     ???
        @param nDefaultFontHeight_ ???
        @param pStData2_           ???
        @param bSkipImages         skipping images for text extraction/indexing
    */
    SvxMSDffManager( SvStream& rStCtrl,
                     const OUString& rBaseURL,
                     sal_uInt32 nOffsDgg,
                     SvStream* pStData,
                     SdrModel* pSdrModel_           =  0,
                     long      nApplicationScale    =  0,
                     ColorData mnDefaultColor_      =  COL_DEFAULT,
                     sal_uLong nDefaultFontHeight_  = 24,
                     SvStream* pStData2_            =  0,
                     bool bSkipImages               =  false );

    // in PPT the parameters DGGContainerOffset and PicStream are provided by an
    // init method
    SvxMSDffManager( SvStream& rStCtrl, const OUString& rBaseURL );
    void InitSvxMSDffManager( sal_uInt32 nOffsDgg_,
                              SvStream* pStData_,
                              sal_uInt32 nSvxMSDffOLEConvFlags);
    void SetDgContainer( SvStream& rSt );

    virtual ~SvxMSDffManager();

    sal_uInt32  GetSvxMSDffSettings() const { return nSvxMSDffSettings; };
    void    SetSvxMSDffSettings( sal_uInt32 nSettings ) { nSvxMSDffSettings = nSettings; };

    static bool         MakeContentStream( SotStorage * pStor, const GDIMetaFile & );
    static void         ReadObjText( SvStream& rStream, SdrObject* pObj );
    static bool         ConvertToOle2( SvStream& rStm,
                                       sal_uInt32 nLen,
                                       const GDIMetaFile*,
                                       const tools::SvRef<SotStorage> & rDest );

    void SetModel(SdrModel* pModel, long nApplicationScale);
    SdrModel*  GetModel() const { return pSdrModel; }
    void Scale(sal_Int32& rVal) const;
    void Scale(Point& rPos) const;
    void Scale(Size& rSiz) const;
    void ScaleEmu(sal_Int32& rVal) const;
    sal_uInt32 ScalePt( sal_uInt32 nPt ) const;
    sal_Int32 ScalePoint( sal_Int32 nVal ) const;

// TODO: provide proper documentation here
    /** Request for a specific BLIP.

        @param[in] nIdx   number of the requested BLIP (mandatory)
        @param[out] rData already converted data (insert directly as graphics
                          into our documents)
        @param pVisArea   ???

        @return true if successful, false otherwise
    */
    bool GetBLIP( sal_uLong nIdx, Graphic& rData, Rectangle* pVisArea = NULL );

// TODO: provide proper documentation here
    /** read a BLIP out of a already positioned stream

        @param[in] rBLIPStream alread positioned stream (mandatory)
        @param[out] rData      already converted data (insert directly as
                               graphics into our documents)
        @param pVisArea        ???

        @return true if successful, false otherwise
    */
    static bool GetBLIPDirect(SvStream& rBLIPStream, Graphic& rData, Rectangle* pVisArea = NULL );

    bool GetShape(sal_uLong nId, SdrObject*& rpData, SvxMSDffImportData& rData);

    /** Get count of managed BLIPs

        @return Number of BLIPs in pStData (or rStCtrl), thus number of FBSEs in
                the drawing group container. If 0 is returned this means that
                the structure is ok but there are no BLIPs; if USHRT_MAX is
                returned than there was an error: no correct Drawing File Format
    */
    sal_uInt16 GetBLIPCount() const{ return nBLIPCount; }

    SdrObject* ImportObj( SvStream& rSt,
                          void* pData,
                          Rectangle& rClientRect,
                          const Rectangle& rGlobalChildRect,
                          int nCalledByGroup = 0,
                          sal_Int32* pShapeId = NULL);
    SdrObject* ImportGroup( const DffRecordHeader& rHd,
                            SvStream& rSt,
                            void* pData,
                            Rectangle& rClientRect,
                            const Rectangle& rGlobalChildRect,
                            int nCalledByGroup = 0,
                            sal_Int32* pShapeId = NULL );
    SdrObject* ImportShape( const DffRecordHeader& rHd,
                            SvStream& rSt,
                            void* pData,
                            Rectangle& rClientRect,
                            const Rectangle& rGlobalChildRect,
                            int nCalledByGroup = 0,
                            sal_Int32* pShapeId = NULL);

    Rectangle GetGlobalChildAnchor( const DffRecordHeader& rHd,
                                    SvStream& rSt,
                                    Rectangle& aClientRect );
    void GetGroupAnchors( const DffRecordHeader& rHd,
                          SvStream& rSt,
                          Rectangle& rGroupClientAnchor,
                          Rectangle& rGroupChildAnchor,
                          const Rectangle& rClientRect,
                          const Rectangle& rGlobalChildRect );

    inline const SvxMSDffShapeInfos_ById* GetShapeInfos() const
        { return m_xShapeInfosById.get(); }

    inline SvxMSDffShapeOrders* GetShapeOrders() const
        { return pShapeOrders; }

    void StoreShapeOrder(sal_uLong      nId,
                         sal_uLong      nTxBx,
                         SdrObject*     pObject,
                         SwFlyFrameFormat*   pFly = 0,
                         short          nHdFtSection = 0) const;

    void ExchangeInShapeOrder(SdrObject*    pOldObject,
                              sal_uLong     nTxBx,
                              SwFlyFrameFormat*  pFly,
                              SdrObject*    pObject) const;

    void RemoveFromShapeOrder( SdrObject* pObject ) const;

    sal_uInt32  GetConvertFlags() const { return nSvxMSDffOLEConvFlags; }

    static SdrOle2Obj* CreateSdrOLEFromStorage( const OUString& rStorageName,
                                                tools::SvRef<SotStorage>& rSrcStorage,
                                                const com::sun::star::uno::Reference < com::sun::star::embed::XStorage >& xDestStg,
                                                const Graphic& rGraf,
                                                const Rectangle& rBoundRect,
                                                const Rectangle& rVisArea,
                                                SvStream* pDataStrrm,
                                                ErrCode& rError,
                                                sal_uInt32 nConvertFlags,
                                                sal_Int64 nAspect );

    /** Create connections between shapes.
        This method should be called after a page is imported.

        @param rSolver contains necessary data that is collected during the
                       import of each shape
    */
    static void SolveSolver( const SvxMSDffSolverContainer& rSolver );

    static bool SetPropValue(
        const ::com::sun::star::uno::Any& rAny,
        const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > & rXPropSet,
        const OUString& rPropertyName,
        bool bTestPropertyAvailability = false
    );

    void insertShapeId( sal_Int32 nShapeId, SdrObject* pShape );
    void removeShapeId( SdrObject* pShape );
    SdrObject* getShapeForId( sal_Int32 nShapeId );
};

struct SvxMSDffBLIPInfo
{
    sal_uInt16 nBLIPType;   ///< type of BLIP: e.g. 6 for PNG
    sal_uLong  nFilePos;    ///< offset of the BLIP in data strem
    sal_uLong  nBLIPSize;   ///< number of bytes that the BLIP needs in stream
    SvxMSDffBLIPInfo(sal_uInt16 nBType, sal_uLong nFPos, sal_uLong nBSize):
        nBLIPType( nBType ), nFilePos( nFPos ), nBLIPSize( nBSize ){}
};

struct SvxMSDffShapeInfo
{
    sal_uInt32 nShapeId; ///< shape id, used in PLCF SPA and in mso_fbtSp (FSP)
    sal_uLong nFilePos;  ///< offset of the shape in control stream for
                         ///< potential later access to it
    sal_uInt32 nTxBxComp;

    bool bReplaceByFly  :1; ///< shape can be replaced by a frame in Writer

    explicit SvxMSDffShapeInfo(sal_uLong nFPos, sal_uInt32 nId=0, // sal_uLong nBIdx=0,
                      sal_uInt16 nSeqId=0, sal_uInt16 nBoxId=0):
        nShapeId( nId ),
        nFilePos( nFPos ),
        nTxBxComp( (nSeqId << 16) + nBoxId )
        {
            bReplaceByFly   = false;
        }
    SvxMSDffShapeInfo(SvxMSDffShapeInfo& rInfo):
        nShapeId( rInfo.nShapeId ),
        nFilePos( rInfo.nFilePos ),
        nTxBxComp( rInfo.nTxBxComp )
        {
            bReplaceByFly   = rInfo.bReplaceByFly;
        }
};


struct SvxMSDffShapeOrder
{
    sal_uLong nShapeId;  ///< shape id used in PLCF SPA and in mso_fbtSp (FSP)
    sal_uLong nTxBxComp; ///< chain or box number in the Text-Box-Story (or NULL)
    SwFlyFrameFormat* pFly;   ///< format of frame that was inserted as a replacement
                         ///< for a Sdr-Text object in Writer - needed for
                         ///< chaining!
    short nHdFtSection;  ///< used by Writer to find out if linked frames are in
                         ///< the same header or footer of the same section
    SdrObject*  pObj;    ///< pointer to the draw object (or NULL if not used)

    // Approach: In the Ctor of SvxMSDffManager only the shape ids are stored in
    //           the shape order array. The Text-Box number and the object
    //           pointer are only stored if the shape is really imported.
    explicit SvxMSDffShapeOrder( sal_uLong nId ):
        nShapeId( nId ), nTxBxComp( 0 ), pFly( 0 ), nHdFtSection( 0 ), pObj( 0 ){}

    bool operator==( const SvxMSDffShapeOrder& rEntry ) const
    { return (nTxBxComp == rEntry.nTxBxComp); }
    bool operator<( const SvxMSDffShapeOrder& rEntry ) const
    { return (nTxBxComp < rEntry.nTxBxComp); }
};

// the following will be sorted explicitly:
struct CompareSvxMSDffShapeTxBxSort
{
  bool operator()( SvxMSDffShapeOrder* const& lhs, SvxMSDffShapeOrder* const& rhs ) const { return (*lhs)<(*rhs); }
};
class MSFILTER_DLLPUBLIC SvxMSDffShapeTxBxSort : public std::set<SvxMSDffShapeOrder*,CompareSvxMSDffShapeTxBxSort> {};


#endif

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