--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmplugins/imagingplugins/codecs/ICOCodec/icomaskprocessor.h Tue Feb 02 01:56:55 2010 +0200
@@ -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 <icl/imageprocessor.h>
+
+/**
+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
+