--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/graphics/svg/filters/cg/SVGFEMergeCg.mm	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,52 @@
+/*
+    Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
+
+    This file is part of the KDE project
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    aint with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+
+#if ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)
+#include "SVGFEMerge.h"
+#include "SVGFEHelpersCg.h"
+
+namespace WebCore {
+
+CIFilter* SVGFEMerge::getCIFilter(SVGResourceFilter* svgFilter) const
+{
+    CIFilter* filter = nil;
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+    const Vector<String>& inputs = mergeInputs();
+
+    CIImage* previousOutput = svgFilter->inputImage(this);
+    for (unsigned x = 0; x < inputs.size(); x++) {
+        CIImage* inputImage = svgFilter->imageForName(inputs[x]);
+        FE_QUARTZ_CHECK_INPUT(inputImage);
+        FE_QUARTZ_CHECK_INPUT(previousOutput);
+        filter = [CIFilter filterWithName:@"CISourceOverCompositing"];
+        [filter setDefaults];
+        [filter setValue:inputImage forKey:@"inputImage"];
+        [filter setValue:previousOutput forKey:@"inputBackgroundImage"];
+        previousOutput = [filter valueForKey:@"outputImage"];
+    }
+    FE_QUARTZ_OUTPUT_RETURN;
+}
+
+}
+
+#endif // ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)