diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/canvas/CanvasPixelArray.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/canvas/CanvasPixelArray.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
+ *
+ * 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 CanvasPixelArray_h
+#define CanvasPixelArray_h
+
+#include <wtf/ByteArray.h>
+#include <wtf/MathExtras.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+    
+    class CanvasPixelArray : public RefCounted<CanvasPixelArray> {
+    public:
+        static PassRefPtr<CanvasPixelArray> create(unsigned length);
+        
+        WTF::ByteArray* data() { return m_data.get(); }
+        const WTF::ByteArray* data() const { return m_data.get(); }
+        unsigned length() const { return m_data->length(); }
+        
+        void set(unsigned index, double value)
+        {
+            m_data->set(index, value);
+        }
+
+        void set(unsigned index, unsigned char value)
+        {
+            m_data->set(index, value);
+        }
+        
+        bool get(unsigned index, unsigned char& result) const
+        {
+            return m_data->get(index, result);
+        }
+
+        unsigned char get(unsigned index) const
+        {
+            return m_data->get(index);
+        }
+
+    private:
+        CanvasPixelArray(unsigned length);
+        RefPtr<WTF::ByteArray> m_data;
+    };
+    
+} // namespace WebCore
+
+#endif // CanvasPixelArray_h