svgtopt/SVG/SVGImpl/inc/SVGUseElementImpl.h
author hgs
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/*
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  SVG Implementation header file
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 *
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*/
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#ifndef _INC_CSVGUSEELEMENTIMPL_
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#define _INC_CSVGUSEELEMENTIMPL_
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//#include "SVGStructuralElementImpl.h"
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#include "SVGElementImpl.h"
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#include "GfxFloatFixPt.h"
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#include "SVGSchemaData.h"
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class   CSvgDocumentImpl;
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/**
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 * Class description goes here.
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 *
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 *  @lib SVGEngine.lib
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 *  @since 1.0
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 */
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class CSvgUseElementImpl : public CSvgElementImpl
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    {
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    public:
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        // Constructor/deconstructor
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		/**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        static CSvgUseElementImpl*NewL(  const TUint8 aElemID,
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                                      CSvgDocumentImpl* aDoc );
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		/**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        static CSvgUseElementImpl*NewLC(  const TUint8 aElemID,
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                                       CSvgDocumentImpl* aDoc );
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	private:
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		/**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        void                            ConstructL(  const TUint8 aElemID  );
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	public:
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        virtual                     ~CSvgUseElementImpl();
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        // From SVG DOM: Empty
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt                      X();
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt                      Y();
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt                      Width();
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt                      Height();
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        // SVG Implementation: Empty
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        // From MXmlElement API
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		/**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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		void						GetBBox( TGfxRectangle2D& aBbox );
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		void                        GetBoundingBox(TGfxRectangle2D& aBbox);
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		void						GetUnscaledBBox( TGfxRectangle2D& aBbox );
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		TInt						SetAttributeFloatL( const TInt aNameId,
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											          const TFloatFixPt aValue );
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		TInt GetAttributeFloat( const TInt aNameId,
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                                             TFloatFixPt& aValue );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TInt                        SetAttributeL( const TDesC& aName,
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                                                   const TDesC& aValue );
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        // From CSvgElementImpl
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		TInt 						SetAttributeDesL( const TInt aNameId,
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                                        const TDesC& aValue );
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        TInt 						GetAttributeDes( const TInt aNameId, TPtrC16& aValue );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        MXmlElement*        CloneL(MXmlElement* aParentElement);
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TBool                       DrawL( CGfx2dGc* aGc,
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                                           CSvgElementImpl* aElement );
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		/**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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		*/	
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		void CopyL( CSvgUseElementImpl* aDestElement );
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		void Print( TBool aIsEncodeOn );
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		/**
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         * Return wether an svg element is displayable, such as <rect>, <circle>, or
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         * an abstract element, such as <g>, <animate>.
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         *
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         * @since 1.0
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         * @param None
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         * @return ETrue if element is viewable.
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         */
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        TBool               IsViewable();
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        CSvgElementImpl*    GetReferenceElementL();
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    private:
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        TFloatFixPt                      iX;
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        //TBool                       iXSet;
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        TFloatFixPt                      iY;
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        //TBool                       iYSet;
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        TFloatFixPt                      iWidth;
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        TFloatFixPt                      iHeight;
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        CSvgElementImpl*            ireferenceEl;
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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                                    CSvgUseElementImpl( CSvgDocumentImpl* aDoc );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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//        void                        DeepClone( MXmlElement* );
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	public:
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        void                        SetReferenceElementL(  );
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		TInt						SetRefElemById(const TDesC& aName);
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		CSvgUseElementImpl*			iUseElementThatUsesThisUse;
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		HBufC* iUseHRef;
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    };
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#endif