--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/graphics/svg/filters/cg/SVGFECompositeCg.mm	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,81 @@
+/*
+    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 "SVGFEComposite.h"
+#include "SVGFEHelpersCg.h"
+
+#import "WKArithmeticFilter.h"
+
+namespace WebCore {
+
+CIFilter* SVGFEComposite::getCIFilter(SVGResourceFilter* svgFilter) const
+{
+    CIFilter* filter = nil;
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    switch (operation()) {
+    case SVG_FECOMPOSITE_OPERATOR_UNKNOWN:
+        return nil;
+    case SVG_FECOMPOSITE_OPERATOR_OVER:
+        filter = [CIFilter filterWithName:@"CISourceOverCompositing"];
+        break;
+    case SVG_FECOMPOSITE_OPERATOR_IN:
+        filter = [CIFilter filterWithName:@"CISourceInCompositing"];
+        break;
+    case SVG_FECOMPOSITE_OPERATOR_OUT:
+        filter = [CIFilter filterWithName:@"CISourceOutCompositing"];
+        break;
+    case SVG_FECOMPOSITE_OPERATOR_ATOP:
+        filter = [CIFilter filterWithName:@"CISourceAtopCompositing"];
+        break;
+    case SVG_FECOMPOSITE_OPERATOR_XOR:
+        //FIXME: I'm not sure this is right...
+        filter = [CIFilter filterWithName:@"CIExclusionBlendMode"];
+        break;
+    case SVG_FECOMPOSITE_OPERATOR_ARITHMETIC:
+        [WKArithmeticFilter class];
+        filter = [CIFilter filterWithName:@"WKArithmeticFilter"];
+        break;
+    }
+
+    [filter setDefaults];
+    CIImage* inputImage = svgFilter->inputImage(this);
+    CIImage* backgroundImage = svgFilter->imageForName(in2());
+    FE_QUARTZ_CHECK_INPUT(inputImage);
+    FE_QUARTZ_CHECK_INPUT(backgroundImage);
+    [filter setValue:inputImage forKey:@"inputImage"];
+    [filter setValue:backgroundImage forKey:@"inputBackgroundImage"];
+    //FIXME: this seems ugly
+    if (operation() == SVG_FECOMPOSITE_OPERATOR_ARITHMETIC) {
+        [filter setValue:[NSNumber numberWithFloat:k1()] forKey:@"inputK1"];
+        [filter setValue:[NSNumber numberWithFloat:k2()] forKey:@"inputK2"];
+        [filter setValue:[NSNumber numberWithFloat:k3()] forKey:@"inputK3"];
+        [filter setValue:[NSNumber numberWithFloat:k4()] forKey:@"inputK4"];
+    }
+    FE_QUARTZ_OUTPUT_RETURN;
+}
+
+}
+
+#endif // ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)