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1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | 1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 /* ***** BEGIN LICENSE BLOCK ***** | 2 /* ***** BEGIN LICENSE BLOCK ***** |
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 | 3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
4 * | 4 * |
5 * The contents of this file are subject to the Mozilla Public License Version | 5 * The contents of this file are subject to the Mozilla Public License Version |
6 * 1.1 (the "License"); you may not use this file except in compliance with | 6 * 1.1 (the "License"); you may not use this file except in compliance with |
7 * the License. You may obtain a copy of the License at | 7 * the License. You may obtain a copy of the License at |
8 * http://www.mozilla.org/MPL/ | 8 * http://www.mozilla.org/MPL/ |
9 * | 9 * |
10 * Software distributed under the License is distributed on an "AS IS" basis, | 10 * Software distributed under the License is distributed on an "AS IS" basis, |
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279 WTF_MAKE_FAST_ALLOCATED; WTF_MAKE_NONCOPYABLE(GIFImageReader); | 279 WTF_MAKE_FAST_ALLOCATED; WTF_MAKE_NONCOPYABLE(GIFImageReader); |
280 public: | 280 public: |
281 GIFImageReader(blink::GIFImageDecoder* client = 0) | 281 GIFImageReader(blink::GIFImageDecoder* client = 0) |
282 : m_client(client) | 282 : m_client(client) |
283 , m_state(GIFType) | 283 , m_state(GIFType) |
284 , m_bytesToConsume(6) // Number of bytes for GIF type, either "GIF87a" o r "GIF89a". | 284 , m_bytesToConsume(6) // Number of bytes for GIF type, either "GIF87a" o r "GIF89a". |
285 , m_bytesRead(0) | 285 , m_bytesRead(0) |
286 , m_version(0) | 286 , m_version(0) |
287 , m_screenWidth(0) | 287 , m_screenWidth(0) |
288 , m_screenHeight(0) | 288 , m_screenHeight(0) |
289 , m_sizeFinal(false) | |
289 , m_loopCount(cLoopCountNotSeen) | 290 , m_loopCount(cLoopCountNotSeen) |
290 , m_parseCompleted(false) | 291 , m_parseCompleted(false) |
291 { | 292 { |
292 } | 293 } |
293 | 294 |
294 ~GIFImageReader() | 295 ~GIFImageReader() |
295 { | 296 { |
296 } | 297 } |
297 | 298 |
298 void setData(PassRefPtr<blink::SharedBuffer> data) { m_data = data; } | 299 void setData(PassRefPtr<blink::SharedBuffer> data) { m_data = data; } |
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344 | 345 |
345 // Parsing state machine. | 346 // Parsing state machine. |
346 GIFState m_state; // Current decoder master state. | 347 GIFState m_state; // Current decoder master state. |
347 size_t m_bytesToConsume; // Number of bytes to consume for next stage of par sing. | 348 size_t m_bytesToConsume; // Number of bytes to consume for next stage of par sing. |
348 size_t m_bytesRead; // Number of bytes processed. | 349 size_t m_bytesRead; // Number of bytes processed. |
349 | 350 |
350 // Global (multi-image) state. | 351 // Global (multi-image) state. |
351 int m_version; // Either 89 for GIF89 or 87 for GIF87. | 352 int m_version; // Either 89 for GIF89 or 87 for GIF87. |
352 unsigned m_screenWidth; // Logical screen width & height. | 353 unsigned m_screenWidth; // Logical screen width & height. |
353 unsigned m_screenHeight; | 354 unsigned m_screenHeight; |
355 bool m_sizeFinal; | |
Peter Kasting
2015/01/08 06:56:18
Nit: Please comment about what this means.
I migh
Alpha Left Google
2015/01/12 22:12:49
Done.
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354 GIFColorMap m_globalColorMap; | 356 GIFColorMap m_globalColorMap; |
355 int m_loopCount; // Netscape specific extension block to control the number of animation loops a GIF renders. | 357 int m_loopCount; // Netscape specific extension block to control the number of animation loops a GIF renders. |
356 | 358 |
357 Vector<OwnPtr<GIFFrameContext> > m_frames; | 359 Vector<OwnPtr<GIFFrameContext> > m_frames; |
358 | 360 |
359 RefPtr<blink::SharedBuffer> m_data; | 361 RefPtr<blink::SharedBuffer> m_data; |
360 bool m_parseCompleted; | 362 bool m_parseCompleted; |
361 }; | 363 }; |
362 | 364 |
363 #endif | 365 #endif |
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