Home | History | Annotate | Download | only in graphics
      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 "core/platform/graphics/ImageOrientation.h"
     32 #include "wtf/Noncopyable.h"
     33 #include "wtf/RefPtr.h"
     34 #include "wtf/VectorTraits.h"
     35 
     36 namespace WebCore {
     37 struct FrameData;
     38 }
     39 
     40 namespace WTF {
     41 template<> struct VectorTraits<WebCore::FrameData> : public SimpleClassVectorTraits {
     42     static const bool canInitializeWithMemset = false; // Not all FrameData members initialize to 0.
     43 };
     44 }
     45 
     46 namespace WebCore {
     47 
     48 class NativeImageSkia;
     49 
     50 struct FrameData {
     51     WTF_MAKE_NONCOPYABLE(FrameData);
     52 public:
     53     FrameData();
     54     ~FrameData();
     55 
     56     // Clear the cached image data on the frame, and (optionally) the metadata.
     57     // Returns whether there was cached image data to clear.
     58     bool clear(bool clearMetadata);
     59 
     60     RefPtr<NativeImageSkia> m_frame;
     61     ImageOrientation m_orientation;
     62     float m_duration;
     63     bool m_haveMetadata : 1;
     64     bool m_isComplete : 1;
     65     bool m_hasAlpha : 1;
     66     unsigned m_frameBytes;
     67 };
     68 
     69 } // namespace WebCore
     70 
     71 #endif // FrameData_h
     72