imagingandcamerafws/imaginginttest/Codecs/PPM2/PPM2Codec.h
changeset 0 40261b775718
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagingandcamerafws/imaginginttest/Codecs/PPM2/PPM2Codec.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,92 @@
+// Copyright (c) 1999-2009 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 __PPM2CODEC_H__
+#define __PPM2CODEC_H__
+
+#include <bitdev.h>
+#include <icl/imageprocessor.h>
+#include <icl/imagecodec.h>
+
+#include "PPM2Convert.h"
+
+class CPpmDecoder;
+
+// PPM Read codec.
+class CPpmReadCodec : public CImageProcessorReadCodec
+	{
+public:
+	static CPpmReadCodec* NewL(CPpmDecoder& aDecoder);
+	void ProcessFrameL();
+	void ResetFrameL(TFrameInfo& aFrameInfo, CFbsBitmap& aFrame);
+	// From CImageReadCodec
+	virtual void InitFrameL(TFrameInfo& aFrameInfo, CFrameImageData& aFrameImageData, TBool aDisableErrorDiffusion, CFbsBitmap& aDestination, CFbsBitmap* aDestinationMask);
+	virtual void InitFrameHeader(TFrameInfo& aFrameInfo, CFrameImageData& aFrameData);
+	virtual TFrameState ProcessFrameHeaderL(TBufPtr8& aData);
+	void Complete();
+
+	virtual ~CPpmReadCodec();
+protected:
+	CPpmReadCodec(CPpmDecoder& aDecoder);
+	void DoProcessCompressedL();
+	void DoProcessUncompressedL();
+	TBool ShouldAbort() const;
+
+private:
+	// from CImageProcessorReadCodec
+	TFrameState ProcessFrameL(TBufPtr8& aSrc);
+protected:
+	CPpmDecoder *const iDecoder;
+	TSize iFrameSize;
+	const TUint8* iDataPtr; // Not owned
+	const TUint8* iDataPtrLimit; // Not owned
+	TInt iPixelsExpected;
+#if defined(__CONTINUE_CONVERT)
+	TInt iMarkedPosition;
+	TInt iPixelsProcessed;
+#endif // defined(__CONTINUE_CONVERT)
+	TFrameInfo* iFrameInfo; // Not owned
+	};
+
+// Write codec
+class CPpm2WriteCodec : public CImageWriteCodec
+	{
+public:
+	static CPpm2WriteCodec* NewL(CPpmEncoder* aEncoder);
+	virtual ~CPpm2WriteCodec();
+
+	void DoProcessL(const CFbsBitmap& aSource);
+
+	// from CImageWriteCodec
+	virtual void InitFrameL(TBufPtr8& aDst, const CFbsBitmap& aSource);
+	virtual TFrameState ProcessFrameL(TBufPtr8& aDst);
+private:
+	CPpm2WriteCodec(CPpmEncoder* aEncoder);
+	void ConstructL ();
+
+	TBool ShouldAbort() const;
+	void AppendDataL(const TDesC8& aData);
+	void SwitchRGB(TDes8 &aBuf);
+private:
+	TRect iSourceRect;
+	TPoint iPos;
+
+	CPpmEncoder* iEncoder; // not linked
+	};
+
+#include "PPM2Codec.inl"
+
+#endif // __PPM2CODEC_H__
+