author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 14 May 2010 16:10:06 +0300 | |
changeset 73 | 4bc7b118b3df |
child 80 | 397d00875918 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 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 : |
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* |
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*/ |
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#ifndef ACTIVITYGRAPHICFILESSCALING_H |
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#define ACTIVITYGRAPHICFILESSCALING_H |
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#ifndef __E32SVR_H__ |
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#define __E32SVR_H__ |
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#endif |
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#ifndef SYMBIAN_ENABLE_PUBLIC_PLATFORM_HEADER_SPLIT |
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#define SYMBIAN_ENABLE_PUBLIC_PLATFORM_HEADER_SPLIT |
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#endif |
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#include <bitmaptransforms.h> |
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class CImageDecoder; |
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class CFbsBitmap; |
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class MImageReadyCallBack |
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{ |
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public: |
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virtual void ImageReadyCallBack(TInt error, const CFbsBitmap *bitmap ) = 0; |
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}; |
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class CGraphicsSalingHandler : public CActive |
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{ |
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public: |
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enum TCurrentOperation{ |
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ENone = 0, |
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EConvertBitmapFromFile = 1, |
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EScale = 2 |
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}; |
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enum TKindOfScaling |
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{ |
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EIgnoreAspectRatio = 0, |
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EKeepAspectRatio = 1, |
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EKeepAspectRatioByExpanding = 2, |
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}; |
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~CGraphicsSalingHandler(); |
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static CGraphicsSalingHandler* NewL(MImageReadyCallBack &aNotify, RFs &aFs, const TDesC &aFileName, const TDesC8& aMimeType, const TSize &aNewSize, TKindOfScaling aKindOfScaling); |
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static CGraphicsSalingHandler* NewLC(MImageReadyCallBack &aNotify, RFs &aFs, const TDesC &aFileName, const TDesC8& aMimeType, const TSize &aNewSize, TKindOfScaling aKindOfScaling); |
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protected: |
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void DoCancel(); |
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void RunL(); |
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TInt RunError(TInt); |
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private: |
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void ConstructL(RFs &aFs, const TDesC &aFileName, const TDesC8& aMimeType); |
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CGraphicsSalingHandler(MImageReadyCallBack &aNotify, const TSize &aNewSize, TKindOfScaling aKindOfScaling); |
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TSize Scaling(); |
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private: |
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MImageReadyCallBack &mNotify; |
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CImageDecoder *mImageDecoder; |
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CFbsBitmap *mBitmapFromFile; |
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CFbsBitmap *mBitmapOutput; |
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CBitmapScaler *mBitmapScaler; |
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TSize mNewSize; |
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TBool mKindOfScaling; |
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TCurrentOperation mCurrentOperation; |
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}; |
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#endif // ACTIVITYGRAPHICFILESSCALING_H |