--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlinglib/Src/IHLDebugPrint.h	Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,150 @@
+/*
+* Copyright (c) 2006 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:  IHL debug macros
+*
+*/
+
+
+#ifndef IHLDEBUGPRINT_H
+#define IHLDEBUGPRINT_H
+
+// Debug logging is enabled, you may enable debug printing in release builds also
+#ifdef IHL_ENABLE_DEBUG_PRINT
+
+    // warn if this is a release build!!
+    #ifndef __WINSCW__
+    #ifndef _DEBUG
+        #if defined(__VC32__)
+            #pragma message( "Warning: IHL debug printing is on in release build!" ) // CSI: 68 #
+        #else // __GCC32__
+            #warning "IHL debug printing is on in release build!"
+        #endif // __VC32__
+    #endif
+    #endif // __WINSCW__
+
+// no include files if no debug printing --> faster compile time
+// INCLUDES
+#include <e32std.h>
+#include <e32svr.h>
+
+    /**
+     * Helper macro for defining debug strings with just the debug text.
+     */
+    #define IHL_DEBUG_STRING(name,s) _LIT(name,s)
+
+    /**
+     * Output to debugger output
+     */
+    #define IHL_DEBUG_PRINT RDebug::Print
+
+#else   // IHL_ENABLE_DEBUG_PRINT
+
+    /**
+     * Dummy struct for checking that all IHL_DEBUG_PRINT's define string
+     * literals using space-saving IHL_DEBUG_STRING.
+     */
+    struct TIHLEmptyDebugString { }; // CSI: 80 #
+
+    /**
+     * Macro for defining debug-only literal strings (empty release version)
+     */
+    #define IHL_DEBUG_STRING(name, s) const TIHLEmptyDebugString name
+
+    /**
+     * Output to debugger output (empty)
+     */
+    #define IHL_DEBUG_PRINT IHL_EmptyPrint
+
+    namespace {
+
+    /// Empty debug print function for release builds.
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString)
+        {
+        }
+
+    /// Empty debug print function for release builds.
+    template<class T1>
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString,T1)
+        {
+        }
+
+    /// Empty debug print function for release builds.
+    template<class T1,class T2>
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString,T1,T2)
+        {
+        }
+
+    /// Empty debug print function for release builds.
+    template<class T1,class T2,class T3>
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString,T1,T2,T3)
+        {
+        }
+
+    /// Empty debug print function for release builds.
+    template<class T1,class T2,class T3,class T4>
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString,T1,T2,T3,T4)
+        {
+        }
+
+    /// Empty debug print function for release builds.
+    template<class T1,class T2,class T3,class T4,class T5>
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString,T1,T2,T3,T4,T5)
+        {
+        }
+
+    /// Empty debug print function for release builds.
+    template<class T1,class T2,class T3,class T4,class T5,class T6>
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString,T1,T2,T3,T4,T5,T6)
+        {
+        }
+
+    /// Empty debug print function for release builds.
+    template<class T1,class T2,class T3,class T4,class T5,class T6,class T7>
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString,T1,T2,T3,T4,T5,T6,T7)
+        {
+        }
+
+    /// Empty debug print function for release builds.
+    template<class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
+    inline void IHL_EmptyPrint(TIHLEmptyDebugString,T1,T2,T3,T4,T5,T6,T7,T8)
+        {
+        }
+
+    } // unnamed namespace
+
+
+#endif  // IHL_ENABLE_DEBUG_PRINT
+
+/**
+ * Short variant for easier basic usage.
+ */
+#define IHL_DEBUG1( name, s ) IHL_DEBUG_STRING( name, s ); IHL_DEBUG_PRINT( name );
+
+#ifdef IHL_ENABLE_DEBUG_PRINT
+#define IHL_DEBUG( s ) RDebug::Print( _L( s ) )
+#define IHL_DEBUG2( name, s, i ) IHL_DEBUG_STRING( name, s ); IHL_DEBUG_PRINT( name, i );
+#define IHL_DEBUG3( name, s, i, j ) IHL_DEBUG_STRING( name, s ); IHL_DEBUG_PRINT( name, i, j );
+#define IHL_DEBUG4( name, s, i, j, k ) IHL_DEBUG_STRING( name, s ); IHL_DEBUG_PRINT( name, i, j, k );
+#define IHL_DEBUG5( name, s, i, j, k, l ) IHL_DEBUG_STRING( name, s ); IHL_DEBUG_PRINT( name, i, j, k, l );
+#else
+// If debug printing is not enabled, strip other parameters than the string
+// away to prevent unwanted function calls in release build.
+#define IHL_DEBUG( s )
+#define IHL_DEBUG2( name, s, i ) IHL_DEBUG1( name, s )
+#define IHL_DEBUG3( name, s, i, j ) IHL_DEBUG1( name, s )
+#define IHL_DEBUG4( name, s, i, j, k ) IHL_DEBUG1( name, s )
+#define IHL_DEBUG5( name, s, i, j, k, l ) IHL_DEBUG1( name, s )
+#endif
+
+#endif //  __IHLDEBUGPRINT_H__