// Copyright (c) 2007-2009 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 FWEXTTESTCONVERT_H

#define FWEXTTESTCONVERT_H

#include <e32base.h>

#include <icl/imageplugin.h>

#include <icl/imageconversionextension.h>

#include <icl/imageconversionextensionintf.h>

// forward declaration

class CFwExtTestDecoderPlugin;

class CFwExtTestEncoderPlugin;

class CFwExtReadCodec;

class CFwExtWriteCodec;

// Concrete Decode Transform Extension class

class CDecodeOperationExtension : public CBase,

								  public MImageConvOperation

	{

public:

	static CDecodeOperationExtension* NewL(CFwExtTestDecoderPlugin* aParent);

	~CDecodeOperationExtension();

	// From MImageConvOperation

	TUid Uid() const;

	void IncrementRef();

	void Release();

	TUint Capabilities() const;

	void AddOperationL(TImageConvOperation::TOperation aOperation);

	void ClearOperationStack();

protected:

	CDecodeOperationExtension(CFwExtTestDecoderPlugin* aParent);

private:

	CFwExtTestDecoderPlugin* iParent;

	TInt iReferenceCount;

	TUint iOperationCaps;

	TUint iOperations;

	};

// Concrete Scaler Extension class

class CScalerExtension : public CBase,

						 public MImageConvScaler

	{

public:

	static CScalerExtension* NewL(CFwExtTestDecoderPlugin* aParent);

	~CScalerExtension();

	// From MImageConvScaler

	TUid Uid() const;

	void IncrementRef();

	void Release();

	void GetCapabilities(TScalerCaps& aCaps) const;

	void SetScalingL(const TSize& aDesiredSize, TImageConvScaler::TScalerQuality aQuality, TBool aLockAspectRatio);

	void SetScalingL(TInt aScalingCoeff, TImageConvScaler::TScalerQuality aScalingQuality);

protected:

	CScalerExtension(CFwExtTestDecoderPlugin* aParent);

	void ConstructL();

private:

	CFwExtTestDecoderPlugin* iParent;

	TInt iReferenceCount;

	TScalerCaps iScalerCaps;

	};

// Concrete Streamed Decode Extension class

class CStreamedDecodeExtension : public CBase,

								 public MImageConvStreamedDecode

	{

public:

	static CStreamedDecodeExtension* NewL(CFwExtTestDecoderPlugin* aParent);

	~CStreamedDecodeExtension();

	// From MImageConvStreamedDecode

	TUid Uid() const;

	void IncrementRef();

	void Release();

	void GetSupportedFormatsL(RArray<TUid>& aFormats, TUid& aOptimalFormat) const;

	void GetCapabilities(TUid aFormat, TInt aFrameNumber, TDecodeStreamCaps& aCaps) const;

	TInt GetBufferSize(TUid aFormat, TSize& aBlockSizeInPixels, TInt aNumBlocks) const;

	void InitFrameL(TUid aFormat, TInt aFrameNumber, TDecodeStreamCaps::TNavigation aNavigation);

	void GetBlocks(TRequestStatus* aStatus, CImageFrame* aFrame, TInt aSeqPosition, TInt aNumBlocksToGet, TInt* aNumBlocksRead);

	void GetNextBlocks(TRequestStatus* aStatus, CImageFrame* aFrame, TInt aNumBlocksToGet, TInt* aNumBlocksRead, TBool* aHaveMoreBlocks);

protected:

	CStreamedDecodeExtension(CFwExtTestDecoderPlugin* aParent);

private:

	CFwExtTestDecoderPlugin* iParent;

	TInt iReferenceCount;

	};

// Concrete Prepare Extension class for decoder plugin

class CPrepareDecodeExtension : public CBase,

								 public MImageConvPrepare

	{

public:

	static CPrepareDecodeExtension* NewL(CFwExtTestDecoderPlugin* aParent);

	~CPrepareDecodeExtension();

	// From MImageConvPrepare

	TUid Uid() const;

	void IncrementRef();

	void Release();

	void Prepare(TRequestStatus* aStatus);

protected:

	CPrepareDecodeExtension(CFwExtTestDecoderPlugin* aParent);

private:

	CFwExtTestDecoderPlugin* iParent;

	TInt iReferenceCount;

	};

// Concrete Prepare Extension class for decoder plugin

class CPrepareEncodeExtension : public CBase,

								 public MImageConvPrepare

	{

public:

	static CPrepareEncodeExtension* NewL(CFwExtTestEncoderPlugin* aParent);

	~CPrepareEncodeExtension();

	// From MImageConvPrepare

	TUid Uid() const;

	void IncrementRef();

	void Release();

	void Prepare(TRequestStatus* aStatus);

protected:

	CPrepareEncodeExtension(CFwExtTestEncoderPlugin* aParent);

private:

	CFwExtTestEncoderPlugin* iParent;

	TInt iReferenceCount;

	};

// Concrete Encode Transform Extension class

class CEncodeOperationExtension : public CBase,

								  public MImageConvOperation

	{

public:

	static CEncodeOperationExtension* NewL(CFwExtTestEncoderPlugin* aParent);

	~CEncodeOperationExtension();

	// From MImageConvOperation

	TUid Uid() const;

	void IncrementRef();

	void Release();

	TUint Capabilities() const;

	void AddOperationL(TImageConvOperation::TOperation aOperation);

	void ClearOperationStack();

protected:

	CEncodeOperationExtension(CFwExtTestEncoderPlugin* aParent);

private:

	CFwExtTestEncoderPlugin* iParent;

	TInt iReferenceCount;

	TUint iOperationCaps;

	TUint iOperations;

	};	

// Concrete Streamed Encode Extension class

class CStreamedEncodeExtension : public CBase,

								 public MImageConvStreamedEncode

	{

public:

	static CStreamedEncodeExtension* NewL(CFwExtTestEncoderPlugin* aParent);

	~CStreamedEncodeExtension();

	// From MImageConvStreamedEncode

	TUid Uid() const;

	void IncrementRef();

	void Release();

	void GetSupportedFormatsL(RArray<TUid>& aFormats, TUid& aOptimalFormat) const;

	void GetCapabilities(TUid aFormat, TEncodeStreamCaps& aCaps) const;

	void InitFrameL(TUid aFormat, TInt aFrameNumber, const TSize& aFrameSizeInPixels, const TSize& aBlockSizeInPixels, TEncodeStreamCaps::TNavigation aNavigation, const CFrameImageData* aFrameImageData);

	void AppendBlocks(TRequestStatus* aStatus, const CImageFrame& aBlocks, TInt aNumBlocksToAdd);

	void AddBlocks(TRequestStatus* aStatus, const CImageFrame& aBlocks, const TInt& aSeqPosition);

	void Complete(TRequestStatus* aStatus); 

protected:

	CStreamedEncodeExtension(CFwExtTestEncoderPlugin* aParent);

private:

	CFwExtTestEncoderPlugin* iParent;

	TInt iReferenceCount;

	};

// Decoder Plugin

class CFwExtTestDecoderPlugin : public CImageDecoderPlugin

	{

friend class CDecodeOperationExtension;

friend class CScalerExtension;

friend class CStreamedDecodeExtension;

friend class CPrepareDecodeExtension;

public:

	static CFwExtTestDecoderPlugin* NewL();

	~CFwExtTestDecoderPlugin();

	// From CImageDecoderPlugin

	void ImageType(TInt aFrameNumber, TUid& aImageType, TUid& aImageSubType) const;

	void ScanDataL();

	CFrameInfoStrings* FrameInfoStringsL(RFs& aFs, TInt aFrameNumber = 0);

	void GetExtensionL(TUid aExtUid, MImageConvExtension*& aExtPtr);

	TInt GetDestinationSize(TSize& aSize, TInt aFrameNumber = 0);

	void SetClippingRectL(const TRect* aClipRect);

	void HandleCustomSyncL(TInt aParam);

	void InitCustomAsyncL(TInt aParam);

protected:

	CFwExtTestDecoderPlugin();

private:

	// Codec

	CFwExtReadCodec* iReadCodec; // not owned

	// Actual extensions

	CDecodeOperationExtension* iOperationExt;

	CScalerExtension* iScalerExt;

	CStreamedDecodeExtension* iStreamedDecodeExt;

	CPrepareDecodeExtension* iPrepareExt; 

	// Pointers to test extension shared with test code

	CDecodeOperationExtension* iTestOperationExtPtr; // owned

	CScalerExtension* iTestScalerExtPtr; // owned

	CStreamedDecodeExtension* iTestStreamedDecodeExtPtr; // owned

	CPrepareDecodeExtension* iTestPrepareExtPtr; //owned

	TSize iDestSize;

	};

// Encoder Plugin

class CFwExtTestEncoderPlugin : public CImageEncoderPlugin

	{

friend class CEncodeOperationExtension;

friend class CStreamedEncodeExtension;

friend class CPrepareEncodeExtension;

public:

	static CFwExtTestEncoderPlugin* NewL();

	~CFwExtTestEncoderPlugin();

	// From CImageEncoderPlugin

	void PrepareEncoderL(const CFrameImageData* aFrameImageData);

	void UpdateHeaderL();

	void HandleCustomSyncL(TInt aParam);

	void GetExtensionL(TUid aExtUid, MImageConvExtension*& aExtPtr);

protected:

	CFwExtTestEncoderPlugin();

	void SetCodec(CFwExtWriteCodec* aWriteCodec);

private:

	// Codec

	CFwExtWriteCodec* iWriteCodec; // not owned

	// Actual extensions

	CEncodeOperationExtension* iOperationExt;

	CStreamedEncodeExtension* iStreamedEncodeExt;

	CPrepareEncodeExtension* iPrepareExt; 

	// Pointers to test extension shared with test code

	CEncodeOperationExtension* iTestOperationExtPtr; // owned

	CStreamedEncodeExtension* iTestStreamedEncodeExtPtr; // owned

	CPrepareEncodeExtension* iTestPrepareExtPtr; //owned

	};

#endif // FWEXTTESTCONVERT_H