1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "ScalableImageDecoderFrame.h"
28
29#include <wtf/NeverDestroyed.h>
30
31namespace WebCore {
32
33ScalableImageDecoderFrame::ScalableImageDecoderFrame()
34{
35}
36
37ScalableImageDecoderFrame::~ScalableImageDecoderFrame()
38{
39}
40
41ScalableImageDecoderFrame& ScalableImageDecoderFrame::operator=(const ScalableImageDecoderFrame& other)
42{
43 if (this == &other)
44 return *this;
45
46 m_decodingStatus = other.m_decodingStatus;
47
48 if (other.backingStore())
49 initialize(*other.backingStore());
50 else
51 m_backingStore = nullptr;
52 m_disposalMethod = other.m_disposalMethod;
53
54 m_orientation = other.m_orientation;
55 m_duration = other.m_duration;
56 m_hasAlpha = other.m_hasAlpha;
57 return *this;
58}
59
60void ScalableImageDecoderFrame::setDecodingStatus(DecodingStatus decodingStatus)
61{
62 ASSERT(decodingStatus != DecodingStatus::Decoding);
63 m_decodingStatus = decodingStatus;
64}
65
66DecodingStatus ScalableImageDecoderFrame::decodingStatus() const
67{
68 ASSERT(m_decodingStatus != DecodingStatus::Decoding);
69 return m_decodingStatus;
70}
71
72void ScalableImageDecoderFrame::clear()
73{
74 *this = ScalableImageDecoderFrame();
75}
76
77bool ScalableImageDecoderFrame::initialize(const ImageBackingStore& backingStore)
78{
79 if (&backingStore == this->backingStore())
80 return true;
81
82 m_backingStore = ImageBackingStore::create(backingStore);
83 return m_backingStore != nullptr;
84}
85
86bool ScalableImageDecoderFrame::initialize(const IntSize& size, bool premultiplyAlpha)
87{
88 if (size.isEmpty())
89 return false;
90
91 m_backingStore = ImageBackingStore::create(size, premultiplyAlpha);
92 return m_backingStore != nullptr;
93}
94
95IntSize ScalableImageDecoderFrame::size() const
96{
97 if (hasBackingStore())
98 return backingStore()->size();
99 return { };
100}
101
102}
103