ImagePrint/ImagePrintEngine/ImagePrintServer/inc/crsimageparser.h
branchRCL_3
changeset 21 d59c248c9d36
parent 0 d11fb78c4374
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ImagePrint/ImagePrintEngine/ImagePrintServer/inc/crsimageparser.h	Wed Sep 01 12:30:38 2010 +0100
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 2004-2007 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:  Contains the CRsImageParser class definition.
+*
+*/
+
+
+#ifndef CRSIMAGEPARSER_H
+#define CRSIMAGEPARSER_H
+
+#include <e32base.h>
+#include <f32file.h>
+
+class CRsImageParser : public CBase
+	{
+	public:
+		enum TImageEncoding
+			{
+			EUnknown = 0,
+			ENonDiffHuffmanBaseline = 0xc0,
+			ENonDiffHuffmanExtendedSeq,
+			ENonDiffHuffmanProgressive,
+			ENonDiffHuffmanLossless,
+			EUnused1,
+			EDiffHuffmanSequential,
+			EDiffHuffmanProgressive,
+			EDiffHuffmanLossless,
+			EReserved,
+			ENonDiffArithExtendedSeq,
+			ENonDiffArithProgressive,
+			ENonDiffArithLossless,
+			EUnused2,
+			EDiffArithSequential,
+			EDiffArithProgressive,
+			EDiffArithLossless
+			};
+
+		/**
+		 *	2-phase constructor
+		 *
+		 *	@return new object. The object is left on the cleanup stack
+		 */
+		static CRsImageParser* NewLC();
+		
+		/**
+		 *	Destructor
+		 */			
+		~CRsImageParser();
+		
+		/**
+		 *	JPEG image validator
+		 *
+		 *	@param aFileName image file name
+		 *	@param aValid place holder for validity indicator
+		 *	@param aErr place holder for error code
+		 */			
+		void ValidateL( const TDesC& aFileName, TBool& aValid, TInt& aErr );
+								
+	private:		
+
+		CRsImageParser();
+		void ConstructL();	
+		TBool Validate( TInt aStartOfDataOffset, TInt aWidth, TInt aHeight, TInt aSize, TInt aEncoding, TInt aErr );
+		TInt ReadData( RFile& aFile, TInt aStartByte, TDes8& aData );
+
+	private:
+	
+		RFs iFs;
+	};
+
+#endif // CRSIMAGEPARSER_H
+
+//  End of File