1/*
2 * Copyright (C) 2006 Samuel Weinig (sam.weinig@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
36namespace blink {
37
38class NativeImageSkia;
39
40struct FrameData {
41    WTF_MAKE_NONCOPYABLE(FrameData);
42public:
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
61namespace WTF {
62template<> 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