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diff --git a/WebCore/platform/graphics/filters/FELighting.h b/WebCore/platform/graphics/filters/FELighting.h
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+/*
+ * Copyright (C) 2010 University of Szeged
+ * Copyright (C) 2010 Zoltan Herczeg
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef FELighting_h
+#define FELighting_h
+
+#if ENABLE(FILTERS)
+#include "Color.h"
+#include "Filter.h"
+#include "FilterEffect.h"
+#include "LightSource.h"
+#include <wtf/AlwaysInline.h>
+
+// Common base class for FEDiffuseLighting and FESpecularLighting
+
+namespace WebCore {
+
+class CanvasPixelArray;
+
+class FELighting : public FilterEffect {
+public:
+    virtual void apply(Filter*);
+
+protected:
+    enum LightingType {
+        DiffuseLighting,
+        SpecularLighting
+    };
+
+    struct LightingData {
+        FloatPoint3D normalVector;
+        CanvasPixelArray* pixels;
+        float lightStrength;
+        float surfaceScale;
+        int offset;
+        int widthMultipliedByPixelSize;
+        int widthDecreasedByOne;
+        int heightDecreasedByOne;
+
+        ALWAYS_INLINE int upLeftPixelValue();
+        ALWAYS_INLINE int upPixelValue();
+        ALWAYS_INLINE int upRightPixelValue();
+        ALWAYS_INLINE int leftPixelValue();
+        ALWAYS_INLINE int centerPixelValue();
+        ALWAYS_INLINE int rightPixelValue();
+        ALWAYS_INLINE int downLeftPixelValue();
+        ALWAYS_INLINE int downPixelValue();
+        ALWAYS_INLINE int downRightPixelValue();
+    };
+
+    FELighting(LightingType, const Color&, float, float, float, float, float, float, PassRefPtr<LightSource>);
+
+    bool drawLighting(CanvasPixelArray*, int, int);
+    ALWAYS_INLINE void setPixel(LightingData&, LightSource::PaintingData&,
+        int lightX, int lightY, float factorX, int normalX, float factorY, int normalY);
+
+    LightingType m_lightingType;
+    RefPtr<LightSource> m_lightSource;
+
+    Color m_lightingColor;
+    float m_surfaceScale;
+    float m_diffuseConstant;
+    float m_specularConstant;
+    float m_specularExponent;
+    float m_kernelUnitLengthX;
+    float m_kernelUnitLengthY;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(FILTERS)
+
+#endif // FELighting_h