--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/graphics/svg/filters/cg/SVGFEHelpersCg.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,76 @@
+/*
+    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.
+*/
+
+#if ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)
+
+#include "BlockExceptions.h"
+#include "SVGFEDisplacementMap.h"
+#include "SVGResourceFilter.h"
+#include <QuartzCore/CoreImage.h>
+#include <wtf/MathExtras.h>
+
+class Color;
+class SVGLightSource;
+
+namespace WebCore {
+
+CIVector* getVectorForChannel(SVGChannelSelectorType channel);
+CIColor* ciColor(const Color& c);
+
+// Lighting
+CIFilter* getPointLightVectors(CIFilter* normals, CIVector* lightPosition, float surfaceScale);
+CIFilter* getLightVectors(CIFilter* normals, const SVGLightSource* light, float surfaceScale);
+CIFilter* getNormalMap(CIImage* bumpMap, float scale);
+
+};
+
+// Macros used by the SVGFE*Cg classes
+#define FE_QUARTZ_SETUP_INPUT(name) \
+    CIImage* inputImage = svgFilter->inputImage(this); \
+    FE_QUARTZ_CHECK_INPUT(inputImage) \
+    CIFilter* filter; \
+    BEGIN_BLOCK_OBJC_EXCEPTIONS; \
+    filter = [CIFilter filterWithName:name]; \
+    [filter setDefaults]; \
+    [filter setValue:inputImage forKey:@"inputImage"];
+
+#define FE_QUARTZ_CHECK_INPUT(input) \
+    if (!input) \
+        return nil;
+
+#define FE_QUARTZ_OUTPUT_RETURN \
+    svgFilter->setOutputImage(this, [filter valueForKey:@"outputImage"]); \
+    return filter; \
+    END_BLOCK_OBJC_EXCEPTIONS; \
+    return nil;
+
+#define FE_QUARTZ_CROP_TO_RECT(rect) \
+    { \
+        CIFilter* crop = [CIFilter filterWithName:@"CICrop"]; \
+        [crop setDefaults]; \
+        [crop setValue:[filter valueForKey:@"outputImage"] forKey:@"inputImage"]; \
+        [crop setValue:[CIVector vectorWithX:rect.origin.x Y:rect.origin.y Z:rect.size.width W:rect.size.height] forKey:@"inputRectangle"]; \
+        filter = crop; \
+    }
+
+#define deg2rad(d) ((d * (2.0 * piDouble)) / 360.0)
+
+#endif // ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)