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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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72 index = i; // Closer to desired area than previous best match. | 72 index = i; // Closer to desired area than previous best match. |
73 frameAreaAtIndex = frameArea; | 73 frameAreaAtIndex = frameArea; |
74 } | 74 } |
75 } | 75 } |
76 | 76 |
77 ImageFrame* frame = decoder->frameBufferAtIndex(index); | 77 ImageFrame* frame = decoder->frameBufferAtIndex(index); |
78 return (frame && !decoder->failed()) ? WebImage(frame->bitmap()) : WebImage(); | 78 return (frame && !decoder->failed()) ? WebImage(frame->bitmap()) : WebImage(); |
79 } | 79 } |
80 | 80 |
81 WebVector<WebImage> WebImage::framesFromData(const WebData& data) { | 81 WebVector<WebImage> WebImage::framesFromData(const WebData& data) { |
82 // This is to protect from malicious images. It should be big enough that it's
never hit in pracice. | 82 // This is to protect from malicious images. It should be big enough that it's |
| 83 // never hit in practice. |
83 const size_t maxFrameCount = 8; | 84 const size_t maxFrameCount = 8; |
84 | 85 |
85 RefPtr<SharedBuffer> buffer = PassRefPtr<SharedBuffer>(data); | 86 RefPtr<SharedBuffer> buffer = PassRefPtr<SharedBuffer>(data); |
86 std::unique_ptr<ImageDecoder> decoder( | 87 std::unique_ptr<ImageDecoder> decoder( |
87 ImageDecoder::create(buffer, true, ImageDecoder::AlphaPremultiplied, | 88 ImageDecoder::create(buffer, true, ImageDecoder::AlphaPremultiplied, |
88 ImageDecoder::GammaAndColorProfileIgnored)); | 89 ImageDecoder::GammaAndColorProfileIgnored)); |
89 if (!decoder || !decoder->isSizeAvailable()) | 90 if (!decoder || !decoder->isSizeAvailable()) |
90 return WebVector<WebImage>(); | 91 return WebVector<WebImage>(); |
91 | 92 |
92 // Frames are arranged by decreasing size, then decreasing bit depth. | 93 // Frames are arranged by decreasing size, then decreasing bit depth. |
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131 | 132 |
132 WebImage::WebImage(PassRefPtr<Image> image) { | 133 WebImage::WebImage(PassRefPtr<Image> image) { |
133 if (!image) | 134 if (!image) |
134 return; | 135 return; |
135 | 136 |
136 if (sk_sp<SkImage> skImage = image->imageForCurrentFrame()) | 137 if (sk_sp<SkImage> skImage = image->imageForCurrentFrame()) |
137 skImage->asLegacyBitmap(&m_bitmap, SkImage::kRO_LegacyBitmapMode); | 138 skImage->asLegacyBitmap(&m_bitmap, SkImage::kRO_LegacyBitmapMode); |
138 } | 139 } |
139 | 140 |
140 } // namespace blink | 141 } // namespace blink |
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