third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.h - Issue 2756463003: Remove opaque alpha channel special case

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Side by Side Diff: third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.h

Issue 2756463003: Remove opaque alpha channel special case (Closed)

Patch Set: Checking if JPEGImageDecoder::OutputScanlines()'s SetHasAlpha(true) is under test Created 3 years, 6 months ago

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1 /*	1 /*

2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.	2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

(...skipping 57 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
68 size_t DecodeFrameCount() override;	68 size_t DecodeFrameCount() override;

69 void InitializeNewFrame(size_t) override;	69 void InitializeNewFrame(size_t) override;

70 void ClearFrameBuffer(size_t) override;	70 void ClearFrameBuffer(size_t) override;

71 bool CanReusePreviousFrameBuffer(size_t) const override;	71 bool CanReusePreviousFrameBuffer(size_t) const override;

72	72

73 std::unique_ptr<PNGImageReader> reader_;	73 std::unique_ptr<PNGImageReader> reader_;

74 const unsigned offset_;	74 const unsigned offset_;

75 size_t current_frame_;	75 size_t current_frame_;

76 int repetition_count_;	76 int repetition_count_;

77 bool has_alpha_channel_;	77 bool has_alpha_channel_;

78 bool current_buffer_saw_alpha_;

79 };	78 };

80	79

81 } // namespace blink	80 } // namespace blink

82	81

83 #endif	82 #endif

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