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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CC_RESOURCES_ETC1_PIXEL_REF_H_
      6 #define CC_RESOURCES_ETC1_PIXEL_REF_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "cc/base/cc_export.h"
     12 #include "third_party/skia/include/core/SkPixelRef.h"
     13 
     14 namespace cc {
     15 
     16 class CC_EXPORT ETC1PixelRef : public SkPixelRef {
     17  public:
     18 #ifdef SK_SUPPORT_LEGACY_PIXELREF_CONSTRUCTOR
     19   // DEPRECATED -- will remove once blink updates to pass info
     20   // TODO(reed)
     21   explicit ETC1PixelRef(scoped_ptr<uint8_t[]> pixels);
     22 #endif
     23 
     24   // Takes ownership of pixels.
     25   ETC1PixelRef(const SkImageInfo& info, scoped_ptr<uint8_t[]> pixels);
     26   virtual ~ETC1PixelRef();
     27 
     28   // SK_DECLARE_UNFLATTENABLE_OBJECT
     29   virtual Factory getFactory() const OVERRIDE;
     30 
     31  protected:
     32   // Implementation of SkPixelRef.
     33   virtual void* onLockPixels(SkColorTable** color_table) OVERRIDE;
     34   virtual void onUnlockPixels() OVERRIDE;
     35 
     36  private:
     37   scoped_ptr<uint8_t[]> pixels_;
     38 
     39   DISALLOW_COPY_AND_ASSIGN(ETC1PixelRef);
     40 };
     41 
     42 }  // namespace cc
     43 
     44 #endif  // CC_RESOURCES_ETC1_PIXEL_REF_H_
     45