--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/imagingmodules/jp2kcodec/Inc/JP2KUtils.h Thu Dec 17 09:22:31 2009 +0200
@@ -0,0 +1,140 @@
+/*
+* Copyright (c) 2003, 2004 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: TJ2kUtils class used to provide common public static
+* functions used by all classes in JP2KCodec.
+*
+*/
+
+
+#ifndef __JP2KUTILS_H__
+#define __JP2KUTILS_H__
+
+// INCLUDES
+#include <e32base.h>
+
+// CONSTANTS
+const TInt KImplementationPrecision = 32;
+
+// MACROS
+
+// DATA TYPES
+
+typedef TInt32 TPrecInt;
+
+struct TDiv
+ {
+ TInt quot; // Quotient
+ TInt rem; // Remainder
+ };
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+/**
+* TJ2kUtils class used to provide common public static
+* methods used by all classes
+*
+* JP2KCodec.dll
+* @since 2.6
+*/
+class TJ2kUtils
+ {
+ public: // Constructors and destructor
+
+ public: // New functions
+
+ /**
+ * Get the ceiling between two integers
+ * @since 2.6
+ * @param aL: first integer to compute.
+ * @param aR: second integer to compute.
+ * @return TInt32: the ceiling between two integers aL and aR.
+ */
+ static TInt32 Ceil( TInt32 aL, TInt32 aR );
+
+ /**
+ * Get the floor between two integers
+ * @since 2.6
+ * @param aL: first integer to compute.
+ * @param aR: second integer to compute.
+ * @return TInt32: the floor between two integers aL and aR.
+ */
+ static TInt32 Floor( TInt32 aL, TInt32 aR );
+
+ /**
+ * Get the quotient and remainder
+ * @since 2.6
+ * @param aNum: first integer to compute.
+ * @param aDenom: divisor integer.
+ * @return TDiv: the structure contains the quotient and remainder.
+ */
+ static TDiv Div( TInt aNum, TInt aDenom );
+
+ /**
+ * Get the log2 value of an integer
+ * @since 2.6
+ * @param aI: an integer to compute.
+ * @return TInt32: the log2 value of the integer aI.
+ */
+ static TInt32 Log2( TUint32 aI );
+
+ /**
+ * Allocate 2-D array
+ * @since 2.6
+ * @param aRowSize: row size of the 2-D array.
+ * @param aColSize: column size of the 2-D array.
+ * @return TPrecInt**: a pointer of pointer to TPrecInt.
+ */
+ static TPrecInt** Alloc2DArrayL( TInt aRowSize, TInt aColSize );
+
+ /**
+ * Free 2-D array
+ * @since 2.6
+ * @param aPtr: a pointer of pointer to TPrecInt to be freed.
+ */
+ static void Free2DArray( TPrecInt **aPtr );
+
+ /**
+ * Wrapper to free 2-D array when put into TCleanupItem
+ * @since 2.6
+ * @param aPtr: a pointer of pointer to TAny to be freed.
+ */
+ static void Free2DArray( TAny *aPtr );
+
+ public: // Functions from base classes
+
+ protected: // New functions
+
+ protected: // Functions from base classes
+
+ private:
+
+ public: // Data
+
+ protected: // Data
+
+ private: // Data
+
+ public: // Friend classes
+
+ protected: // Friend classes
+
+ private: // Friend classes
+
+ };
+
+#endif // __JP2KUTILS_H__