Use newImageSnapshot() to get an image from a Canvas

Source/platform/graphics/BitmapPattern.h

 /*
- * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved.
- *               2006 Rob Buis <buis@kde.org>
+ * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc.  All rights reserved.
+ * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2007-2008 Torch Mobile, Inc.
+ * Copyright (C) 2013 Google, 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.
  *
  * 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 WindRule_h
-#define WindRule_h
+#ifndef BitmapPattern_h
+#define BitmapPattern_h
+
+#include "platform/graphics/Pattern.h"
 
 namespace WebCore {
 
-enum WindRule {
-    RULE_NONZERO = 0,
-    RULE_EVENODD = 1
+class PLATFORM_EXPORT BitmapPattern : public Pattern {
+public:
+    static PassRefPtr<Pattern> create(PassRefPtr<Image> tileImage, bool repeatX, bool repeatY)
+    {
+        return adoptRef(new BitmapPattern(tileImage, repeatX, repeatY));
+    }
+
+    virtual ~BitmapPattern() { }
+
+    virtual PassRefPtr<SkShader> createShader() OVERRIDE;
+
+private:
+    BitmapPattern(PassRefPtr<Image>, bool repeatX, bool repeatY);
+
+    RefPtr<NativeImageSkia> m_tileImage;
 };
 
-}
+} // namespace
 
-#endif // WindRule_h
-
+#endif