--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/rendervg10/src/HuiFxVg10ColorMatrixFilterBase.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,74 @@
+/*
+* Copyright (c) 2008 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:   Basic functionality of color matrix based filters.
+*
+*/
+
+
+
+#include "HuiFxVg10ColorMatrixFilterBase.h"
+
+CHuiFxVg10ColorMatrixFilterBase* CHuiFxVg10ColorMatrixFilterBase::NewL()
+    {
+    CHuiFxVg10ColorMatrixFilterBase* e = new (ELeave) CHuiFxVg10ColorMatrixFilterBase();
+    CleanupStack::PushL(e);
+    e->ConstructL();
+    CleanupStack::Pop(e);
+    return e;
+    }
+
+void CHuiFxVg10ColorMatrixFilterBase::ConstructL()
+    {
+    CHuiFxVg10FilterBase::ConstructL();
+    memset(iColorMatrix, 0, sizeof(iColorMatrix));
+    }
+CHuiFxVg10ColorMatrixFilterBase *CHuiFxVg10ColorMatrixFilterBase::CloneL() const
+    {
+    CHuiFxVg10ColorMatrixFilterBase *filter = new(ELeave)CHuiFxVg10ColorMatrixFilterBase;
+    filter->CopyFromL(this);
+    return filter;
+    }
+void CHuiFxVg10ColorMatrixFilterBase::CopyFromL(const CHuiFxVg10ColorMatrixFilterBase *aOldFilter)
+    {
+    CHuiFxVg10FilterBase::CopyFromL(aOldFilter);
+    memcpy(iColorMatrix, aOldFilter->iColorMatrix, sizeof(iColorMatrix));
+    }
+void CHuiFxVg10ColorMatrixFilterBase::DrawEffect(CHuiFxEngine& /*aEngine*/, VGImage aTargetImage, VGImage aSourceImage, TInt aWidth, TInt aHeight )
+    {
+    // take opacity into account
+    const VGfloat opacity = clamp(iOpacity, 0.0f, 1.0f);
+
+    if(opacity > EPSILON)
+        {
+        if(ParameterChanged())
+            {
+            UpdateColorMatrix();
+            }
+        vgColorMatrix(aTargetImage, aSourceImage, iColorMatrix);
+        }
+    else
+        {
+//        VGint width = vgGetParameteri(aSourceImage, VG_IMAGE_WIDTH);
+//        VGint height = vgGetParameteri(aSourceImage, VG_IMAGE_HEIGHT);
+        VGint width = aWidth;
+        VGint height = aHeight;
+        vgCopyImage(aTargetImage, 0, 0, aSourceImage, 0, 0, width, height, VG_FALSE);
+        }
+    }
+
+
+// this is supposed to be overloaded by child classes
+void CHuiFxVg10ColorMatrixFilterBase::UpdateColorMatrix()
+    {
+    }