--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imaging/imagingfws/ImageDisplay/plugins/IclWrapper/ImagePostprocess.h	Wed Aug 25 12:29:52 2010 +0300
@@ -0,0 +1,126 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef IMAGEPOSTPROCESS_H
+
+#define IMAGEPOSTPROCESS_H
+
+/** 	@file
+	@internalComponent */
+
+class CBitmapScaler;
+class CBitmapRotator;
+class CFbsBitmap;
+
+class MPostProcessObserver
+	{
+public:
+	virtual void OnTransformDone(TInt aError)=0;
+	};
+
+class CTransformerSharedData: public CBase
+	{
+public:
+	static CTransformerSharedData* NewL();
+	void AddRef();
+	void Release();
+	void Cleanup();
+	CBitmapScaler&	ScalerL();
+	CBitmapRotator&	RotatorL();
+
+	inline void SetTransformOptions(TUint aOptions);
+	inline void SetClipRect(const TRect& aClipRect);
+	inline void SetTrueSrcSize(const TSize& aSize);
+
+	inline const TSize& TrueSrcSize() const;
+	inline TUint TransformOptions() const;
+	inline TBool ClippingSet() const;
+	inline const TRect& ClipRect() const;
+
+protected:
+	~CTransformerSharedData();
+
+protected:
+	CBitmapRotator*		iRotator;
+	CBitmapScaler*		iScaler;
+
+	TUint				iTransformOptions;
+	TRect				iClipRect;
+	TBool				iClippingSet;
+	TSize				iTrueSrcSize;
+private:
+	TInt				iRefCount;
+	};
+
+class CAsyncTransformer:public CActive 
+	{
+public:
+	static CAsyncTransformer* NewL(MPostProcessObserver& aObserver, CTransformerSharedData& aSingleton, const TSize& aDestSize);
+	~CAsyncTransformer();
+
+	void Transform(CFbsBitmap* aImage, TBool aMantainAspect);
+	void Restart();
+	void Cleanup();
+
+	inline void GetBitmap(CFbsBitmap*& aImage) const;
+	TInt SetScaleQuality(TInt aQualityValue);
+	inline CTransformerSharedData& Singleton();
+
+protected:
+	CAsyncTransformer(MPostProcessObserver& aObserver,CTransformerSharedData& aSingleton, const TSize& aDestSize);
+
+	void CreateDestBitmapsL();
+	TInt RunError(TInt aError);
+	void RunL();
+	void DoCancel();
+	TInt NextTransform(TUint& aTransFormTodo1);
+	void RunAgain();
+	void DeletePreTranformBmps();
+	void DoClipL(CFbsBitmap* aSrc, CFbsBitmap*& aDest);
+
+protected:
+	MPostProcessObserver& iObserver;
+	CTransformerSharedData*	iSingleton; // ref. counted
+	const TSize		iDestSize;
+	CFbsBitmap*		iImgSource;			// not owned
+	CFbsBitmap*		iCurrentSource;		// not owned
+
+	CFbsBitmap*		iScaleDest;
+	CFbsBitmap*		iClippingDest;
+	CFbsBitmap*		iTransformDest;
+
+	TBool			iKeepAspect;
+	
+	TUint			iTransformTodo;
+	TInt			iScaleQuality;
+
+	TInt			iResultStatus;
+	TRect			iTrueClipRect;
+	TBool			iScaleNeeded;
+	enum TState 
+		{
+		EStart,
+		EClip,
+		ETransform,
+		ETransformDone,
+		EScale,
+		EDone
+		}			iState;
+	};
+
+#include "ImagePostprocess.inl"
+
+#endif // ndef IMAGEPOSTPROCESS_H
+