check-point for image experiment



git-svn-id: http://skia.googlecode.com/svn/trunk@4811 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/image/SkDataPixelRef.h b/src/image/SkDataPixelRef.h
new file mode 100644
index 0000000..b6e16e0
--- /dev/null
+++ b/src/image/SkDataPixelRef.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkDataPixelRef_DEFINED
+#define SkDataPixelRef_DEFINED
+
+#include "SkPixelRef.h"
+
+class SkData;
+
+class SkDataPixelRef : public SkPixelRef {
+public:
+            SkDataPixelRef(SkData* data);
+    virtual ~SkDataPixelRef();
+    
+    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDataPixelRef)
+    
+protected:
+    virtual void* onLockPixels(SkColorTable**) SK_OVERRIDE;
+    virtual void onUnlockPixels() SK_OVERRIDE;
+    
+    SkDataPixelRef(SkFlattenableReadBuffer& buffer);
+    virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
+    
+private:
+    SkData* fData;
+    
+    typedef SkPixelRef INHERITED;
+};
+
+#endif