--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/canvas/CanvasStyle.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
+ *
+ * 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 CanvasStyle_h
+#define CanvasStyle_h
+
+#include "Color.h"
+#include "PlatformString.h"
+
+namespace WebCore {
+
+    class CanvasGradient;
+    class CanvasPattern;
+    class GraphicsContext;
+
+    class CanvasStyle : public RefCounted<CanvasStyle> {
+    public:
+        static PassRefPtr<CanvasStyle> create(RGBA32 rgba) { return adoptRef(new CanvasStyle(rgba)); }
+        static PassRefPtr<CanvasStyle> create(const String& color);
+        static PassRefPtr<CanvasStyle> create(const String& color, float alpha);
+        static PassRefPtr<CanvasStyle> create(float grayLevel) { return adoptRef(new CanvasStyle(grayLevel)); }
+        static PassRefPtr<CanvasStyle> create(float grayLevel, float alpha) { return adoptRef(new CanvasStyle(grayLevel, alpha)); }
+        static PassRefPtr<CanvasStyle> create(float r, float g, float b, float a) { return adoptRef(new CanvasStyle(r, g, b, a)); }
+        static PassRefPtr<CanvasStyle> create(float c, float m, float y, float k, float a) { return adoptRef(new CanvasStyle(c, m, y, k, a)); }
+        static PassRefPtr<CanvasStyle> create(PassRefPtr<CanvasGradient> gradient);
+        static PassRefPtr<CanvasStyle> create(PassRefPtr<CanvasPattern> pattern);
+
+        String color() const { return Color(m_rgba).serialized(); }
+        CanvasGradient* canvasGradient() const { return m_gradient.get(); }
+        CanvasPattern* canvasPattern() const { return m_pattern.get(); }
+
+        void applyFillColor(GraphicsContext*);
+        void applyStrokeColor(GraphicsContext*);
+
+        bool isEquivalentColor(const CanvasStyle&) const;
+
+    private:
+        CanvasStyle(RGBA32 rgba);
+        CanvasStyle(float grayLevel);
+        CanvasStyle(float grayLevel, float alpha);
+        CanvasStyle(float r, float g, float b, float a);
+        CanvasStyle(float c, float m, float y, float k, float a);
+        CanvasStyle(PassRefPtr<CanvasGradient>);
+        CanvasStyle(PassRefPtr<CanvasPattern>);
+
+        enum Type { RGBA, CMYKA, Gradient, ImagePattern };
+
+        Type m_type;
+
+        RGBA32 m_rgba;
+
+        RefPtr<CanvasGradient> m_gradient;
+        RefPtr<CanvasPattern> m_pattern;
+
+        struct CMYKAValues {
+            CMYKAValues() {}
+            CMYKAValues(float cyan, float magenta, float yellow, float black, float alpha) : c(cyan), m(magenta), y(yellow), k(black), a(alpha) {}
+            float c;
+            float m;
+            float y;
+            float k;
+            float a;
+        } m_cmyka;
+    };
+
+} // namespace WebCore
+
+#endif