author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 12 Mar 2010 15:41:39 +0200 | |
branch | RCL_3 |
changeset 7 | cbe7ef416cec |
parent 0 | 632761c941a7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004,2005 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: SVGT Thumbnail Utility Class implements the thumbnail |
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* used to display SVGT content. |
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* |
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*/ |
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#ifndef __SVGTTHUMBNAILUTIL_H__ |
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#define __SVGTTHUMBNAILUTIL_H__ |
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// INCLUDES |
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#include <SVGRequestObserver.h> |
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// FUNCTION PROTOTYPES |
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// FORWARD DECLARATIONS |
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class CSvgEngineInterfaceImpl; |
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class CFbsBitmap; |
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// CLASS DECLARATION |
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/** |
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* CSVGTThumbnailUtil is a utility class used to generate thumbnails. |
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* It is used through dialog provided by CSVGTUIDialog. |
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* |
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* @lib SVGTUIControl.lib |
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* @since 3.0 |
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*/ |
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class CSVGTThumbnailUtil : public CBase, |
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public MSvgRequestObserver |
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{ |
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public: // Constructors and destructor |
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/** |
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* Generate thumbnails for SVGT content. |
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* @since 3.0 |
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* @param aFileHandle File Handle to the SVGT file. |
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* @param aThumbnailBitmap Bitmap - Client provided bitmap to render |
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* the SVGT contents opening screen. |
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* @param aThumbnailBitmap Bitmap - Client provided bitmap mask. |
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* @return Boolean ETrue indicates thumbnail generated successfully, |
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* EFalse otherwise. |
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*/ |
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IMPORT_C static TBool GenerateThumbnailLD( RFile& aFileHandle, |
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CFbsBitmap& aThumbnailBitmap, |
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CFbsBitmap& aThumbnailBitmapMask ); |
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public: // New functions |
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public: // Functions from base classes |
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/** |
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* This function is called to initialize the SVGT-Engine interface. |
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* @since 3.0 |
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*/ |
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void InitializeEngineL(); |
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/** |
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* Generates Thumbnail of initial screen of SVG content. |
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* @since 3.0 |
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* @return Boolean ETrue indicates thumbnail generated successfully, |
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* EFalse otherwise. |
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*/ |
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TBool GenerateThumbnail(); |
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protected: // Functions from base classes |
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/** |
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* From MSvgRequestObserver Method called by SVG Engine |
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* after it has rendered a frame. |
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* @since 3.0 |
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*/ |
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void UpdateScreen(); |
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/** |
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* From MSvgRequestObserver This method is for future extension, |
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* in which an external script engine could be used to evaluate |
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* a script description. |
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* @since 3.0 |
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* @param aScript Descriptor containing script |
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* @param aCallerElement SVG Element that calls the script by a |
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* an event of the "on" attribute. |
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* @return TBool. |
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*/ |
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TBool ScriptCall( const TDesC& aScript, |
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CSvgElementImpl* aCallerElement ); |
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/** |
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* From MSvgRequestObserver This method is called by the SVG engine |
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* to retrieve the absolute path of the image file. |
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* @since 3.0 |
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* @param aUri Descriptor containing the relative path of the image. |
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* @param aFilePath Descriptor which contains absolute path that is |
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* to be used by the Engine to retrieve the image. |
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* @return TBool - |
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* ETrue indicates absolute path is present in aFilePath. |
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* EFalse otherwise. |
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*/ |
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TInt FetchImage( const TDesC& aUri, |
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RFs& aSession, RFile& aFileHandle ) ; |
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TInt FetchFont( const TDesC& /* aUri */, |
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RFs& /* aSession */, RFile& /* aFileHandle */ ); |
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|
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/** |
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* From MSvgRequestObserver This method is called by the SVG engine |
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* to get the SMIL Fit attribute value. |
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* @since 3.0 |
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* @param aSmilValue Descriptor containing the SMIL Fit attribute. |
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*/ |
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void GetSmilFitValue( TDes& aSmilValue ); |
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|
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/** |
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* From MSvgRequestObserver This method is called by the SVG engine |
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* to update the presentation status. |
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* @since 3.0 |
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* @param aNoOfAnimation Integer. When called for the first time |
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* it indicates total number of animations. |
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* Subsequently it contains number of animations that were completed. |
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*/ |
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void UpdatePresentation( const TInt32& aNoOfAnimation ); |
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private: |
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|
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/** |
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* C++ default constructor. |
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*/ |
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CSVGTThumbnailUtil( RFile& aFileHandle ); |
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|
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/** |
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* Second Phase constructor. |
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* @param aThumbnailBitmap Client provided bitmap to render the SVGT |
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* contents opening screen. |
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* @param aThumbnailBitmapMask Bitmap - Client provided bitmap for SVGT |
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* bitmap mask. |
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*/ |
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void ConstructL( CFbsBitmap& aThumbnailBitmap, |
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CFbsBitmap& aThumbnailBitmapMask ); |
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|
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/** |
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* Two-phased constructor for thumbnail creation. |
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* @since 3.0 |
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* @param aFileHandle file handle to the SVGT file. |
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* @param aThumbnailBitmap Bitmap - Client provided bitmap to render |
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* the SVGT contents opening screen. |
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* @param aThumbnailBitmapMask Bitmap - Client provided bitmap for SVGT |
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* bitmap mask. |
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* @return CSVGTThumbnailUtil* |
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*/ |
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|
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static CSVGTThumbnailUtil* NewL( RFile& aFileHandle, |
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CFbsBitmap& aThumbnailBitmap, |
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CFbsBitmap& aThumbnailBitmapMask ); |
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|
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/** |
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* Two-phased constructor for thumbnail creation that pushes the |
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* object on the cleanup stack. |
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* @since 3.0 |
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* @param aFileHandle file handle to the SVGT file. |
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* @param aThumbnailBitmap Client provided bitmap to render the SVGT |
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* contents opening screen. |
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* @param aThumbnailBitmapMask Bitmap - Client provided bitmap for SVGT |
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* bitmap mask. |
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* @return CSVGTThumbnailUtil* |
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*/ |
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|
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static CSVGTThumbnailUtil* NewLC( RFile& aFileHandle, |
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CFbsBitmap& aThumbnailBitmap, |
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CFbsBitmap& aThumbnailBitmapMask ); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CSVGTThumbnailUtil(); |
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private: // Data |
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// Dummy Bitmap used by SVG Engine to render content. |
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CFbsBitmap* iSVGTBitMapDummy; |
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|
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// SVG Engine Interface Implementation pointer |
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CSvgEngineInterfaceImpl* iSvgModule; |
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|
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// Thumbnail bitmap used by SVG Engine to render content. |
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CFbsBitmap* iThumbnailBitmap; |
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// Thumbnail bitmap mask used by SVG Engine to render content mask. |
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CFbsBitmap* iThumbnailBitmapMask; |
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// SVG Thumbnail Handle |
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TInt iThumbnailHandle; |
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// SVGT content filename descriptor |
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RFile& iContentFileHandle; |
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}; |
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#endif // __SVGTTHUMBNAILUTIL_H__ |
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// End of File |