--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fbs/fontandbitmapserver/sfbs/CompressionBookmark.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,56 @@
+// Copyright (c) 2003-2009 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:
+// CompressionBookmark
+// 
+//
+
+#ifndef __COMPRESSIONBOOKMARK_H_
+#define __COMPRESSIONBOOKMARK_H_
+
+class TCompressionBookMark
+	{
+public:
+	TCompressionBookMark();
+
+public:
+	inline void CalculateCheckSum();
+	inline TBool IsCheckSumOk() const;
+	TInt iSrcDataOffset;
+	TInt iCursorPos;
+	TUint32 iCheckSum;
+	TInt iCheckSum2;
+
+	};
+
+inline TCompressionBookMark::TCompressionBookMark() :
+	iSrcDataOffset(0), iCursorPos(0)
+	{
+	CalculateCheckSum();
+	}
+
+inline void TCompressionBookMark::CalculateCheckSum()
+	{
+	iCheckSum=((TUint32) iSrcDataOffset)^((TUint32) iCursorPos);
+	iCheckSum2=(1-iSrcDataOffset)+(1-iCursorPos);
+	}
+
+inline TBool TCompressionBookMark::IsCheckSumOk() const
+	{
+	TBool check1=(iCheckSum==(((TUint32) iSrcDataOffset)^((TUint32) iCursorPos)));
+	TBool check2=(iCheckSum2==((1-iSrcDataOffset)+(1-iCursorPos)));
+	return (check1 && check2);
+	}
+
+
+#endif//__COMPRESSIONBOOKMARK_H_