Source/core/platform/graphics/test/MockImageDecoder.h - Issue 99103006: Moving GraphicsContext and dependencies from core to platform.

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Issue 99103006: Moving GraphicsContext and dependencies from core to platform. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Final patch - fixes Android Created 7 years ago

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1 /*

2 * Copyright (C) 2012 Google 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 *

8 * 1. Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * 2. Redistributions in binary form must reproduce the above copyright

11 * notice, this list of conditions and the following disclaimer in the

12 * documentation and/or other materials provided with the distribution.

13 *

14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

24 */

25

26 #ifndef MockImageDecoder_h

27

28 #include "core/platform/graphics/ImageFrameGenerator.h"

29 #include "core/platform/image-decoders/ImageDecoder.h"

30 #include "wtf/PassOwnPtr.h"

31

32 namespace WebCore {

33

34 class MockImageDecoderClient {

35 public:

36 virtual void decoderBeingDestroyed() = 0;

37 virtual void frameBufferRequested() = 0;

38 virtual ImageFrame::Status status() = 0;

39 virtual size_t frameCount() = 0;

40 virtual int repetitionCount() const = 0;

41 virtual float frameDuration() const = 0;

42

43 // Clients can control the behavior of MockImageDecoder::decodedSize() by

44 // overriding this method. The default implementation causes

45 // MockImageDecoder::decodedSize() to return the same thing as

46 // MockImageDecoder::size(). See the precise implementation of

47 // MockImageDecoder::decodedSize() below.

48 virtual IntSize decodedSize() const { return IntSize(); }

49 };

50

51 class MockImageDecoder : public ImageDecoder {

52 public:

53 static PassOwnPtr<MockImageDecoder> create(MockImageDecoderClient* client) { return adoptPtr(new MockImageDecoder(client)); }

54

55 MockImageDecoder(MockImageDecoderClient* client)

56 : ImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndCol orProfileApplied, noDecodedImageByteLimit)

57 , m_client(client)

58 { }

59

60 ~MockImageDecoder()

61 {

62 m_client->decoderBeingDestroyed();

63 }

64

65 virtual IntSize decodedSize() const OVERRIDE

66 {

67 return m_client->decodedSize().isEmpty() ? size() : m_client->decodedSiz e();

68 }

69

70 virtual bool setSize(unsigned width, unsigned height) OVERRIDE

71 {

72 ImageDecoder::setSize(width, height);

73 m_frameBufferCache.resize(1);

74 m_frameBufferCache[0].setSize(width, height);

75 return true;

76 }

77

78 virtual String filenameExtension() const OVERRIDE

79 {

80 return "mock";

81 }

82

83 virtual size_t frameCount() OVERRIDE

84 {

85 return m_client->frameCount();

86 }

87

88 virtual int repetitionCount() const OVERRIDE

89 {

90 return m_client->repetitionCount();

91 }

92

93 virtual ImageFrame* frameBufferAtIndex(size_t) OVERRIDE

94 {

95 m_client->frameBufferRequested();

96

97 m_frameBufferCache[0].setStatus(m_client->status());

98 return &m_frameBufferCache[0];

99 }

100

101 virtual bool frameIsCompleteAtIndex(size_t) const OVERRIDE

102 {

103 return m_client->status() == ImageFrame::FrameComplete;

104 }

105

106 virtual float frameDurationAtIndex(size_t) const OVERRIDE

107 {

108 return m_client->frameDuration();

109 }

110

111 void setFrameHasAlpha(bool hasAlpha) { m_frameBufferCache[0].setHasAlpha(has Alpha); }

112

113 private:

114 MockImageDecoderClient* m_client;

115 };

116

117 class MockImageDecoderFactory : public ImageDecoderFactory {

118 public:

119 static PassOwnPtr<MockImageDecoderFactory> create(MockImageDecoderClient* cl ient, const SkISize& decodedSize)

120 {

121 return adoptPtr(new MockImageDecoderFactory(client, IntSize(decodedSize. width(), decodedSize.height())));

122 }

123

124 static PassOwnPtr<MockImageDecoderFactory> create(MockImageDecoderClient* cl ient, const IntSize& decodedSize)

125 {

126 return adoptPtr(new MockImageDecoderFactory(client, decodedSize));

127 }

128

129 virtual PassOwnPtr<ImageDecoder> create() OVERRIDE

130 {

131 OwnPtr<MockImageDecoder> decoder = MockImageDecoder::create(m_client);

132 decoder->setSize(m_decodedSize.width(), m_decodedSize.height());

133 decoder->setFrameHasAlpha(false);

134 return decoder.release();

135 }

136

137 private:

138 MockImageDecoderFactory(MockImageDecoderClient* client, const IntSize& decod edSize)

139 : m_client(client)

140 , m_decodedSize(decodedSize)

141 {

142 }

143

144 MockImageDecoderClient* m_client;

145 IntSize m_decodedSize;

146 };

147

148 } // namespace WebCore

149

150 #endif // MockImageDecoder_h

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