--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imageeditorengine/filters/FilterGrayScale/Src/CFilterGrayScale.cpp	Fri Jan 29 13:53:17 2010 +0200
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "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:
+* Ixonos Plc
+*
+* Description:  
+*
+*/
+
+
+#include "CFilterGrayScale.h"
+
+
+
+EXPORT_C TInt CFilterGrayScale::Create()
+	{
+	CFilterGrayScale* ptr = NULL;
+	TRAPD( error, ptr = NewL(); );
+	if( error != KErrNone )
+		{
+		ptr = NULL;
+		}
+	return (TInt)((MImageFilter*)ptr);
+	}
+
+
+
+CFilterGrayScale* CFilterGrayScale::NewL()
+	{
+	CFilterGrayScale* self = new( ELeave )CFilterGrayScale();
+	CleanupStack::PushL( self );
+	self->ConstructL();
+	CleanupStack::Pop( self );
+	return self;
+	}
+
+
+
+CFilterGrayScale::~CFilterGrayScale()
+	{
+	}
+
+
+
+CFilterGrayScale::CFilterGrayScale()
+	{
+
+	}
+
+
+
+void CFilterGrayScale::ConstructL()
+	{
+
+	}
+
+
+
+TRect CFilterGrayScale::Rect()
+	{
+	return iChild->Rect();
+	}
+
+TReal CFilterGrayScale::Scale()
+	{
+	return iChild->Scale();
+	}
+
+TSize CFilterGrayScale::ViewPortSize()
+{
+    return iChild->ViewPortSize();
+}
+
+TBlock * CFilterGrayScale::GetBlockL ( const TRect & aRect )
+{
+    TBlock * pB = iChild->GetBlockL (aRect);
+    if (!pB) return NULL;
+    TUint32 * pD = pB->iData;
+    for (TInt i = 0; i < pB->iDataLength; ++i)
+    {
+        TUint32 c = *pD;
+	    TUint32 b = c & 0xFF;
+	    c >>= 8;
+	    TUint32 g = c & 0xFF;
+	    c >>= 8;
+	    TUint32 r = c & 0xFF;
+	    TUint32 y = (306 * r + 587 * g + 117 * b) >> 10;
+        *pD++ = (y | (y << 8) | (y << 16));
+    }
+    return pB;
+}
+
+
+void CFilterGrayScale::SetParent( MImageFilter* aParent )
+	{
+	iParent = aParent;
+	}
+
+
+
+
+void CFilterGrayScale::SetChild( MImageFilter* aChild )
+	{
+	iChild = aChild;
+	}
+
+
+
+TInt CFilterGrayScale::CmdL( const TDesC16& /*aCmd*/ )
+	{
+    return 0;
+	}
+
+
+
+const char* CFilterGrayScale::Type()
+	{
+	return "grayscale";
+	}
+	
+#if !defined(EKA2)
+GLDEF_C TInt E32Dll( TDllReason )
+    {
+    return KErrNone;
+    }	
+#endif