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      1 /*
      2  * Copyright (C) 2006 Samuel Weinig (sam.weinig (at) gmail.com)
      3  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
      4  * Copyright (C) 2008-2009 Torch Mobile, Inc.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     22  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     23  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef FrameData_h
     29 #define FrameData_h
     30 
     31 #include "platform/graphics/ImageOrientation.h"
     32 #include "wtf/Noncopyable.h"
     33 #include "wtf/RefPtr.h"
     34 #include "wtf/VectorTraits.h"
     35 
     36 namespace blink {
     37 
     38 class NativeImageSkia;
     39 
     40 struct FrameData {
     41     WTF_MAKE_NONCOPYABLE(FrameData);
     42 public:
     43     FrameData();
     44     ~FrameData();
     45 
     46     // Clear the cached image data on the frame, and (optionally) the metadata.
     47     // Returns whether there was cached image data to clear.
     48     bool clear(bool clearMetadata);
     49 
     50     RefPtr<NativeImageSkia> m_frame;
     51     ImageOrientation m_orientation;
     52     float m_duration;
     53     bool m_haveMetadata : 1;
     54     bool m_isComplete : 1;
     55     bool m_hasAlpha : 1;
     56     unsigned m_frameBytes;
     57 };
     58 
     59 } // namespace blink
     60 
     61 namespace WTF {
     62 template<> struct VectorTraits<blink::FrameData> : public SimpleClassVectorTraits<blink::FrameData> {
     63     static const bool canInitializeWithMemset = false; // Not all FrameData members initialize to 0.
     64 };
     65 }
     66 
     67 #endif // FrameData_h
     68