diff -r 735348f59235 -r 948c7f65f6d4 mmplugins/imagingplugins/codecs/ICOCodec/icomaskprocessor.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mmplugins/imagingplugins/codecs/ICOCodec/icomaskprocessor.h Wed Sep 01 12:38:50 2010 +0100 @@ -0,0 +1,82 @@ +// Copyright (c) 2008-2009 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 ICOMASKPROCESSOR_H +#define ICOMASKPROCESSOR_H + +#include + +/** +Image Processor specific to the ICO decoder when decoding to a 16MA destination bitmap. +This class applies the alpha channel +*/ +class CIcoMaskProcessor : public CImageProcessor + { +public: + static CIcoMaskProcessor* NewL(TInt aReductionFactor); + ~CIcoMaskProcessor(); + + // From CImageProcessor + void PrepareL(CFbsBitmap& aBitmap,const TRect& aImageRect); + void PrepareL(CFbsBitmap& aBitmap,const TRect& aImageRect,const TSize& aRgbBlockSize); + void SetYPosIncrement(TInt aYInc); + void SetLineRepeat(TInt aLineRepeat); + void SetPixelPadding(TInt aNumberOfPixels); + TBool SetPixel(TRgb aColor); + TBool SetPixelRun(TRgb aColor,TInt aCount); + TBool SetPixels(TRgb* aColorBuffer,TInt aBufferLength); + TBool SetPixelBlock(TRgb* aColorBuffer); + TBool SetMonoPixel(TInt aGray256); + TBool SetMonoPixelRun(TInt aGray256,TInt aCount); + TBool SetMonoPixels(TUint32* aGray256Buffer,TInt aBufferLength); + TBool SetMonoPixelBlock(TUint32* aGray256Buffer); + TBool SetPos(const TPoint& aPosition); + TBool FlushPixels(); + +private: + CIcoMaskProcessor(TInt aReductionFactor); + void Reset(); + void ProcessScaledPixels(); + TBool DoFlushPixels(); + +private: + class TMonochromeSum + { + public: + TInt iLevel; + TInt iCount; + }; + +private: + TInt iReductionFactor; + CFbsBitmap* iDestBitmap; // not owned + TRect iImageRegion; + TPoint iPosition; + TPoint iScaledPosition; + TInt iYIncrement; + TInt iPixelPadding; + TInt iPixelsToSkip; + + TRgb* iMaskBuffer; + TRgb* iMaskBufferPtr; + TRgb* iMaskBufferPtrLimit; + + // For scaling + TMonochromeSum* iScaledMaskBuffer; + TMonochromeSum* iScaledMaskBufferPtrLimit; + }; + +#endif // ICOMASKPROCESSOR_H +