// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// This is the public client API for the BitmapTransforms Library

// 

//

#ifndef __BITMAPTRANSFORMS_H__

#define __BITMAPTRANSFORMS_H__

#include <e32base.h>

#include <fbs.h>

#include <bitdev.h>

class CBitmapRotatorBody;

class CBitmapScalerBody;

class CBitmapConverterBody;

/**

The public API for clients to call the BitmapTransforms Library bitmap rotation.

@publishedAll

@released

*/

//The public API for clients to call the BitmapTransforms Library bitmap rotation

class CBitmapRotator : public CBase

{

public:

	/**

	The enumeration provides a set of supported rotation and mirror angles.

	TRotationAngle is an enumeration within the namespace CBitmapRotator.

	*/

	enum TRotationAngle

		{

		/** Used to rotate a bitmap 90 degrees clockwise.

		*/

		ERotation90DegreesClockwise,

		/** Used to rotate a bitmap 180 degrees clockwise.

		*/

		ERotation180DegreesClockwise,

		/** Used to rotate a bitmap 270 degrees clockwise.

		*/

		ERotation270DegreesClockwise,

		/** Used to mirror a bitmap about the horizontal axis.

		*/

		EMirrorHorizontalAxis,

		/** Used to mirror a bitmap about the vertical axis.

		*/

		EMirrorVerticalAxis

		};

public:

	IMPORT_C static CBitmapRotator* NewL();

	IMPORT_C ~CBitmapRotator();

	IMPORT_C void Rotate(TRequestStatus* aRequestStatus, CFbsBitmap& aSrcBitmap, CFbsBitmap& aTgtBitmap, TRotationAngle aAngle);

	IMPORT_C void Rotate(TRequestStatus* aRequestStatus, CFbsBitmap& aBitmap, TRotationAngle aAngle);

	IMPORT_C TInt CustomCommand(TUid aUid, TAny* aParam);

	IMPORT_C void Cancel();

private:

	CBitmapRotator();

	void ConstructL();

private:

	CBitmapRotatorBody	*iBody;

};

/**

The public API for clients to call the BitmapTransforms Library bitmap scaling.

@publishedAll

@released

*/

//The public API for clients to call the BitmapTransforms library bitmap scaling

class CBitmapScaler : public CBase

{

public:

	/** An enumeration to specify the level of quality algorithm.

	*/

	enum TQualityAlgorithm

		{

		/**

		Fastest/lowest quality

		*/

		EMinimumQuality,

		/**

		Middle range speed/middle range quality

		*/

		EMediumQuality,

		/**

		Slowest/highest quality

		*/

		EMaximumQuality

		};

public:

	IMPORT_C static CBitmapScaler* NewL();

	IMPORT_C ~CBitmapScaler();

	IMPORT_C void Scale(TRequestStatus* aRequestStatus, CFbsBitmap& aSrcBitmap, CFbsBitmap& aTgtBitmap, TBool aMaintainAspectRatio = ETrue);

	IMPORT_C void Scale(TRequestStatus* aRequestStatus, CFbsBitmap& aBitmap, const TSize& aDestinationSize, TBool aMaintainAspectRatio = ETrue);

	IMPORT_C void Cancel();

	IMPORT_C TInt CustomCommand(TUid aUid, TAny* aParam);

    inline TInt DisablePostProcessing( TBool aState );

	inline TInt UseLowMemoryAlgorithm( TBool aState );

	inline TInt SetQualityAlgorithm( TQualityAlgorithm aQualityLevel );

private:

	CBitmapScaler();

	void ConstructL();

private:

	CBitmapScalerBody* iBody;

	};

#include <bitmaptransforms.inl>

#endif //__BITMAPTRANSFORMS_H__