diff -r 000000000000 -r dd21522fd290 webengine/osswebengine/WebCore/platform/graphics/svg/SVGResourceMasker.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/graphics/svg/SVGResourceMasker.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
+ *
+ * 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 SVGResourceMasker_h
+#define SVGResourceMasker_h
+
+#if ENABLE(SVG)
+
+#include "GraphicsContext.h"
+#include "SVGResource.h"
+
+#include <memory>
+
+#include <wtf/OwnPtr.h>
+
+namespace WebCore {
+
+    class FloatRect;
+    class ImageBuffer;
+
+    class SVGResourceMasker : public SVGResource {
+    public:
+        SVGResourceMasker();
+        virtual ~SVGResourceMasker();
+
+        void setMask(std::auto_ptr<ImageBuffer> mask);
+        ImageBuffer* mask() const;
+
+        virtual bool isMasker() const { return true; }
+        virtual TextStream& externalRepresentation(TextStream&) const;
+
+        // To be implemented by the specific rendering devices
+        void applyMask(GraphicsContext*, const FloatRect& boundingBox) const;
+
+    private:
+        OwnPtr<ImageBuffer> m_mask;
+    };
+
+    SVGResourceMasker* getMaskerById(Document*, const AtomicString&);
+
+} // namespace WebCore
+
+#endif
+
+#endif // SVGResourceMasker_h