ndgrf.hxx

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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SW_INC_NDGRF_HXX
#define INCLUDED_SW_INC_NDGRF_HXX

#include <sfx2/lnkbase.hxx>
#include <vcl/GraphicObject.hxx>
#include "ndnotxt.hxx"
#include <memory>

class SwAsyncRetrieveInputStreamThreadConsumer;

class SwGrfFormatColl;
class SwDoc;

// SwGrfNode
class SW_DLLPUBLIC SwGrfNode: public SwNoTextNode
{
    friend class SwNodes;

    GraphicObject maGrfObj;
    std::unique_ptr<GraphicObject> mpReplacementGraphic;
    tools::SvRef<sfx2::SvBaseLink> mxLink;       
    Size mnGrfSize;
    bool mbInSwapIn              :1;

    bool mbChangeTwipSize           :1;
    bool mbFrameInPaint          :1; 
    bool mbScaleImageMap         :1; 

    std::shared_ptr< SwAsyncRetrieveInputStreamThreadConsumer > mpThreadConsumer;
    bool mbLinkedInputStreamReady;
    css::uno::Reference<css::io::XInputStream> mxInputStream;
    bool mbIsStreamReadOnly;

    SwGrfNode( const SwNodeIndex& rWhere,
               const OUString& rGrfName, const OUString& rFltName,
               const Graphic* pGraphic,
               SwGrfFormatColl* pGrfColl,
               SwAttrSet const * pAutoAttr );
    SwGrfNode( const SwNodeIndex& rWhere,
               const OUString& rGrfName, const OUString& rFltName,
               SwGrfFormatColl* pGrfColl,
               SwAttrSet const * pAutoAttr );
    SwGrfNode( const SwNodeIndex& rWhere,
               const GraphicObject& rGrfObj,
               SwGrfFormatColl* pGrfColl,
               SwAttrSet const * pAutoAttr );

    void InsertLink( const OUString& rGrfName, const OUString& rFltName );

    void onGraphicChanged();

public:
    virtual ~SwGrfNode() override;
    const Graphic&          GetGrf(bool bWait = false) const;
    const GraphicObject&    GetGrfObj(bool bWait = false) const;
    const GraphicObject* GetReplacementGrfObj() const;

    void SetGraphic(const Graphic& rGraphic);

    void StartGraphicAnimation(OutputDevice* pOut, const Point& rPt, const Size& rSz, long nExtraData, OutputDevice* pFirstFrameOutDev)
    { maGrfObj.StartAnimation(pOut, rPt, rSz, nExtraData, pFirstFrameOutDev); }
    void StopGraphicAnimation(OutputDevice* pOut, long nExtraData) { maGrfObj.StopAnimation(pOut, nExtraData); }

    virtual Size GetTwipSize() const override;
    void SetTwipSize( const Size& rSz );

    bool IsTransparent() const;

    bool IsAnimated() const              { return maGrfObj.IsAnimated(); }

    bool IsChgTwipSize() const           { return mbChangeTwipSize; }
    void SetChgTwipSize( bool b)
    {
        mbChangeTwipSize = b;
    }

    bool IsFrameInPaint() const          { return mbFrameInPaint; }
    void SetFrameInPaint( bool b )       { mbFrameInPaint = b; }

    bool IsScaleImageMap() const         { return mbScaleImageMap; }
    void SetScaleImageMap( bool b )      { mbScaleImageMap = b; }

    virtual SwContentNode* MakeCopy(SwDoc*, const SwNodeIndex&, bool bNewFrames) const override;

    bool ReRead( const OUString& rGrfName, const OUString& rFltName,
                 const Graphic* pGraphic = nullptr,
                 bool bModify = true );
private:
    bool SwapIn( bool bWaitForData = false );

public:
    bool HasEmbeddedStreamName() const { return maGrfObj.HasUserData(); }

    virtual bool SavePersistentData() override;
    virtual bool RestorePersistentData() override;

    bool IsGrfLink() const                  { return mxLink.is(); }
    bool IsLinkedFile() const;
    bool IsLinkedDDE() const;
    const tools::SvRef<sfx2::SvBaseLink>& GetLink() const    { return mxLink; }
    bool GetFileFilterNms( OUString* pFileNm, OUString* pFilterNm ) const;
    void ReleaseLink();

    void ScaleImageMap();

    GraphicAttr& GetGraphicAttr( GraphicAttr&, const SwFrame* pFrame ) const;

    std::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > GetThreadConsumer() const { return mpThreadConsumer;}
    bool IsLinkedInputStreamReady() const { return mbLinkedInputStreamReady;}
    void TriggerAsyncRetrieveInputStream();
    void ApplyInputStream(
        const css::uno::Reference<css::io::XInputStream>& xInputStream,
        const bool bIsStreamReadOnly );
    void UpdateLinkWithInputStream();
    bool IsAsyncRetrieveInputStreamPossible() const;
};

// Inline methods from Node.hxx - it is only now that we know TextNode!!
inline       SwGrfNode   *SwNode::GetGrfNode()
{
     return SwNodeType::Grf == m_nNodeType ? static_cast<SwGrfNode*>(this) : nullptr;
}

inline const SwGrfNode   *SwNode::GetGrfNode() const
{
     return SwNodeType::Grf == m_nNodeType ? static_cast<const SwGrfNode*>(this) : nullptr;
}

inline bool SwGrfNode::IsLinkedFile() const
{
    return mxLink.is() && OBJECT_CLIENT_GRF == mxLink->GetObjType();
}

inline bool SwGrfNode::IsLinkedDDE() const
{
    return mxLink.is() && OBJECT_CLIENT_DDE == mxLink->GetObjType();
}

#endif

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