/*
* 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 __MIMAGEFILTER_H__
#define __MIMAGEFILTER_H__
#include <e32base.h>
class TBlock
{
public:
TBlock() {};
TBlock (const TRect & aRect)
{
iRect = aRect;
iWidth = aRect.iBr.iX - aRect.iTl.iX;
iHeight = aRect.iBr.iY - aRect.iTl.iY;
iDataLength = iWidth * iHeight;
iData = new (ELeave) TUint32 [iDataLength];
Mem::FillZ(iData, iDataLength * sizeof(TUint32));
};
~TBlock() {delete[] iData;};
public:
TRect iRect;
TInt iWidth;
TInt iHeight;
TInt iDataLength;
TUint32 * iData;
protected:
};
class MImageFilter
{
public:
virtual ~MImageFilter() {}
virtual TRect Rect() = 0;
virtual TReal Scale() = 0;
virtual TSize ViewPortSize() = 0;
virtual TBlock * GetBlockL ( const TRect & aRect ) = 0;
virtual void SetParent( MImageFilter* aParent ) = 0;
virtual void SetChild( MImageFilter* aChild ) = 0;
virtual TInt CmdL( const TDesC16& aCmd ) = 0;
virtual const char* Type() = 0;
MImageFilter* iParent;
MImageFilter* iChild;
};
#endif