/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description:  

*

*/

#ifndef IMAGEEDITORCONTRASTPLUGIN_H

#define IMAGEEDITORCONTRASTPLUGIN_H

//	INCLUDES

#include "ImageEditorPluginBaseDefs.h"

#include "iepb.h"

#include "SingleParamControlObserver.h"

//  FORWARD DECLARATIONS

class CEditorImage;

class CCoeControl;

/*	CLASS:	CImageEditorContrastPlugin

*

*	CImageEditorBrightnessPlugin represents contrast adjustment plug-in for

*	Image Editor application.

*

*/

class CImageEditorContrastPlugin :	    public CImageEditorPluginBase,

                                        public MSingleParControlObserver

{

public:

/** @name Methods:*/

//@{

	/** Default constructor

	*

	*	@param -

	*	@return -

	*/

	CImageEditorContrastPlugin ();

	/** Second phase constructor, may leave

	*

	*	@param -

	*	@return -

	*/

	virtual void ConstructL ();

	/** Destructor

	*

	*	@param -

	*	@return -

	*/

	virtual ~CImageEditorContrastPlugin ();

	/*	SetProperty

	*

	*   @see CPluginBase

	*/

	virtual TInt SetProperty (

		TInt		aPropertyId, 

		TDesC &		aPropertyValue

		);

	/*	GetProperty

	*

	*   @see CPluginBase

	*/

	virtual TInt GetProperty (

		TInt		aPropertyId, 

		TDes &		aPropertyValue

		);

    /**	InitPluginL

	*

	*	@see CImageEditorPluginBase

    */

    virtual TInt InitPluginL (

		const TRect &		aRect,

		CCoeControl *		aParent,

		CCoeControl *&		aPluginControl

		);

    /**	ProcessImageL

	*

	*	@see CImageEditorPluginBase

    */

    virtual void ProcessImageL (CEditorImage * aImage);    

    /**	ReleasePlugin 

	*

	*	@see CImageEditorPluginBase

    */

	virtual void ReleasePlugin ();    

	/** ParamOperation 

    *

    *   @see MSingleParControlObserver

	*/

	virtual void ParamOperation (const TParamOperation aOperation);

	/** GetParam

    *

    *   @see MSingleParControlObserver

	*/

	virtual TReal GetParam() const;

//@}

protected:

/** @name Methods:*/

//@{

//@}

/** @name Members:*/

//@{

//@}

private:

/** @name Methods:*/

//@{

	/** Copy constructor, disabled

	*/

	CImageEditorContrastPlugin (const CImageEditorContrastPlugin & rhs);

	/** Assignment operator, disabled 

	*/

	CImageEditorContrastPlugin & operator= (const CImageEditorContrastPlugin & rhs);

//@}

/** @name Members:*/

//@{

    /// Plug-in UI control

    CCoeControl *           iControl;

    /// Contrast parameter

    TInt					iContrast;

//@}

};

#endif

// End of File