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1 /* | 1 /* |
2 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | 2 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
3 * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved. | 3 * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. 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 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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32 #include "platform/graphics/BitmapImageMetrics.h" | 32 #include "platform/graphics/BitmapImageMetrics.h" |
33 #include "platform/graphics/DeferredImageDecoder.h" | 33 #include "platform/graphics/DeferredImageDecoder.h" |
34 #include "platform/graphics/ImageObserver.h" | 34 #include "platform/graphics/ImageObserver.h" |
35 #include "platform/graphics/StaticBitmapImage.h" | 35 #include "platform/graphics/StaticBitmapImage.h" |
36 #include "platform/graphics/paint/PaintCanvas.h" | 36 #include "platform/graphics/paint/PaintCanvas.h" |
37 #include "platform/graphics/paint/PaintFlags.h" | 37 #include "platform/graphics/paint/PaintFlags.h" |
38 #include "platform/graphics/paint/PaintImage.h" | 38 #include "platform/graphics/paint/PaintImage.h" |
39 #include "platform/graphics/skia/SkiaUtils.h" | 39 #include "platform/graphics/skia/SkiaUtils.h" |
40 #include "platform/instrumentation/PlatformInstrumentation.h" | 40 #include "platform/instrumentation/PlatformInstrumentation.h" |
41 #include "platform/instrumentation/tracing/TraceEvent.h" | 41 #include "platform/instrumentation/tracing/TraceEvent.h" |
42 #include "platform/scheduler/child/web_scheduler.h" | |
43 #include "platform/wtf/PassRefPtr.h" | 42 #include "platform/wtf/PassRefPtr.h" |
44 #include "platform/wtf/PtrUtil.h" | 43 #include "platform/wtf/PtrUtil.h" |
45 #include "platform/wtf/text/WTFString.h" | 44 #include "platform/wtf/text/WTFString.h" |
46 | 45 |
47 namespace blink { | 46 namespace blink { |
48 | 47 |
49 namespace { | 48 namespace { |
50 | 49 |
51 ColorBehavior DefaultColorBehavior() { | 50 ColorBehavior DefaultColorBehavior() { |
52 if (RuntimeEnabledFeatures::colorCorrectRenderingEnabled()) | 51 if (RuntimeEnabledFeatures::colorCorrectRenderingEnabled()) |
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77 animation_policy_(kImageAnimationPolicyAllowed), | 76 animation_policy_(kImageAnimationPolicyAllowed), |
78 animation_finished_(false), | 77 animation_finished_(false), |
79 all_data_received_(false), | 78 all_data_received_(false), |
80 have_size_(false), | 79 have_size_(false), |
81 size_available_(false), | 80 size_available_(false), |
82 have_frame_count_(false), | 81 have_frame_count_(false), |
83 repetition_count_status_(kUnknown), | 82 repetition_count_status_(kUnknown), |
84 repetition_count_(kAnimationNone), | 83 repetition_count_(kAnimationNone), |
85 repetitions_complete_(0), | 84 repetitions_complete_(0), |
86 desired_frame_start_time_(0), | 85 desired_frame_start_time_(0), |
87 frame_count_(0), | 86 frame_count_(0) {} |
88 task_runner_(Platform::Current() | |
89 ->CurrentThread() | |
90 ->Scheduler() | |
91 ->CompositorTaskRunner()) {} | |
92 | 87 |
93 BitmapImage::BitmapImage(const SkBitmap& bitmap, ImageObserver* observer) | 88 BitmapImage::BitmapImage(const SkBitmap& bitmap, ImageObserver* observer) |
94 : Image(observer), | 89 : Image(observer), |
95 size_(bitmap.width(), bitmap.height()), | 90 size_(bitmap.width(), bitmap.height()), |
96 current_frame_(0), | 91 current_frame_(0), |
97 cached_frame_(SkImage::MakeFromBitmap(bitmap)), | 92 cached_frame_(SkImage::MakeFromBitmap(bitmap)), |
98 cached_frame_index_(0), | 93 cached_frame_index_(0), |
99 animation_policy_(kImageAnimationPolicyAllowed), | 94 animation_policy_(kImageAnimationPolicyAllowed), |
100 animation_finished_(true), | 95 animation_finished_(true), |
101 all_data_received_(true), | 96 all_data_received_(true), |
102 have_size_(true), | 97 have_size_(true), |
103 size_available_(true), | 98 size_available_(true), |
104 have_frame_count_(true), | 99 have_frame_count_(true), |
105 repetition_count_status_(kUnknown), | 100 repetition_count_status_(kUnknown), |
106 repetition_count_(kAnimationNone), | 101 repetition_count_(kAnimationNone), |
107 repetitions_complete_(0), | 102 repetitions_complete_(0), |
108 frame_count_(1), | 103 frame_count_(1) { |
109 task_runner_(Platform::Current() | |
110 ->CurrentThread() | |
111 ->Scheduler() | |
112 ->CompositorTaskRunner()) { | |
113 // Since we don't have a decoder, we can't figure out the image orientation. | 104 // Since we don't have a decoder, we can't figure out the image orientation. |
114 // Set m_sizeRespectingOrientation to be the same as m_size so it's not 0x0. | 105 // Set m_sizeRespectingOrientation to be the same as m_size so it's not 0x0. |
115 size_respecting_orientation_ = size_; | 106 size_respecting_orientation_ = size_; |
116 | 107 |
117 frames_.Grow(1); | 108 frames_.Grow(1); |
118 frames_[0].has_alpha_ = !bitmap.isOpaque(); | 109 frames_[0].has_alpha_ = !bitmap.isOpaque(); |
119 frames_[0].have_metadata_ = true; | 110 frames_[0].have_metadata_ = true; |
120 } | 111 } |
121 | 112 |
122 BitmapImage::~BitmapImage() { | 113 BitmapImage::~BitmapImage() { |
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512 // sync an image and some other resource (e.g. audio), especially if users | 503 // sync an image and some other resource (e.g. audio), especially if users |
513 // switch tabs (and thus stop drawing the animation, which will pause it) | 504 // switch tabs (and thus stop drawing the animation, which will pause it) |
514 // during that initial loop, then switch back later. | 505 // during that initial loop, then switch back later. |
515 if (next_frame == 0 && repetitions_complete_ == 0 && | 506 if (next_frame == 0 && repetitions_complete_ == 0 && |
516 desired_frame_start_time_ < time) | 507 desired_frame_start_time_ < time) |
517 desired_frame_start_time_ = time; | 508 desired_frame_start_time_ = time; |
518 | 509 |
519 if (catch_up_if_necessary == kDoNotCatchUp || | 510 if (catch_up_if_necessary == kDoNotCatchUp || |
520 time < desired_frame_start_time_) { | 511 time < desired_frame_start_time_) { |
521 // Haven't yet reached time for next frame to start; delay until then. | 512 // Haven't yet reached time for next frame to start; delay until then. |
522 frame_timer_ = WTF::WrapUnique(new TaskRunnerTimer<BitmapImage>( | 513 frame_timer_ = WTF::WrapUnique( |
523 task_runner_, this, &BitmapImage::AdvanceAnimation)); | 514 new Timer<BitmapImage>(this, &BitmapImage::AdvanceAnimation)); |
524 frame_timer_->StartOneShot(std::max(desired_frame_start_time_ - time, 0.), | 515 frame_timer_->StartOneShot(std::max(desired_frame_start_time_ - time, 0.), |
525 BLINK_FROM_HERE); | 516 BLINK_FROM_HERE); |
526 } else { | 517 } else { |
527 // We've already reached or passed the time for the next frame to start. | 518 // We've already reached or passed the time for the next frame to start. |
528 // See if we've also passed the time for frames after that to start, in | 519 // See if we've also passed the time for frames after that to start, in |
529 // case we need to skip some frames entirely. Remember not to advance | 520 // case we need to skip some frames entirely. Remember not to advance |
530 // to an incomplete frame. | 521 // to an incomplete frame. |
531 for (size_t frame_after_next = (next_frame + 1) % FrameCount(); | 522 for (size_t frame_after_next = (next_frame + 1) % FrameCount(); |
532 FrameIsCompleteAtIndex(frame_after_next); | 523 FrameIsCompleteAtIndex(frame_after_next); |
533 frame_after_next = (next_frame + 1) % FrameCount()) { | 524 frame_after_next = (next_frame + 1) % FrameCount()) { |
534 // Should we skip the next frame? | 525 // Should we skip the next frame? |
535 double frame_after_next_start_time = | 526 double frame_after_next_start_time = |
536 desired_frame_start_time_ + FrameDurationAtIndex(next_frame); | 527 desired_frame_start_time_ + FrameDurationAtIndex(next_frame); |
537 if (time < frame_after_next_start_time) | 528 if (time < frame_after_next_start_time) |
538 break; | 529 break; |
539 | 530 |
540 // Skip the next frame by advancing the animation forward one frame. | 531 // Skip the next frame by advancing the animation forward one frame. |
541 if (!InternalAdvanceAnimation(kSkipFramesToCatchUp)) { | 532 if (!InternalAdvanceAnimation(kSkipFramesToCatchUp)) { |
542 DCHECK(animation_finished_); | 533 DCHECK(animation_finished_); |
543 return; | 534 return; |
544 } | 535 } |
545 desired_frame_start_time_ = frame_after_next_start_time; | 536 desired_frame_start_time_ = frame_after_next_start_time; |
546 next_frame = frame_after_next; | 537 next_frame = frame_after_next; |
547 } | 538 } |
548 | 539 |
549 // Post a task to advance the frame immediately. m_desiredFrameStartTime | 540 // Post a task to advance the frame immediately. m_desiredFrameStartTime |
550 // may be in the past, meaning the next time through this function we'll | 541 // may be in the past, meaning the next time through this function we'll |
551 // kick off the next advancement sooner than this frame's duration would | 542 // kick off the next advancement sooner than this frame's duration would |
552 // suggest. | 543 // suggest. |
553 frame_timer_ = WTF::WrapUnique(new TaskRunnerTimer<BitmapImage>( | 544 frame_timer_ = WTF::WrapUnique(new Timer<BitmapImage>( |
554 task_runner_, this, &BitmapImage::AdvanceAnimationWithoutCatchUp)); | 545 this, &BitmapImage::AdvanceAnimationWithoutCatchUp)); |
555 frame_timer_->StartOneShot(0, BLINK_FROM_HERE); | 546 frame_timer_->StartOneShot(0, BLINK_FROM_HERE); |
556 } | 547 } |
557 } | 548 } |
558 | 549 |
559 void BitmapImage::StopAnimation() { | 550 void BitmapImage::StopAnimation() { |
560 // This timer is used to animate all occurrences of this image. Don't | 551 // This timer is used to animate all occurrences of this image. Don't |
561 // invalidate the timer unless all renderers have stopped drawing. | 552 // invalidate the timer unless all renderers have stopped drawing. |
562 frame_timer_.reset(); | 553 frame_timer_.reset(); |
563 } | 554 } |
564 | 555 |
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626 animation_policy_ == kImageAnimationPolicyAnimateOnce) { | 617 animation_policy_ == kImageAnimationPolicyAnimateOnce) { |
627 animation_finished_ = true; | 618 animation_finished_ = true; |
628 desired_frame_start_time_ = 0; | 619 desired_frame_start_time_ = 0; |
629 | 620 |
630 // We skipped to the last frame and cannot advance further. The | 621 // We skipped to the last frame and cannot advance further. The |
631 // observer will not receive animationAdvanced notifications while | 622 // observer will not receive animationAdvanced notifications while |
632 // skipping but we still need to notify the observer to draw the | 623 // skipping but we still need to notify the observer to draw the |
633 // last frame. Skipping frames occurs while painting so we do not | 624 // last frame. Skipping frames occurs while painting so we do not |
634 // synchronously notify the observer which could cause a layout. | 625 // synchronously notify the observer which could cause a layout. |
635 if (advancement == kSkipFramesToCatchUp) { | 626 if (advancement == kSkipFramesToCatchUp) { |
636 frame_timer_ = WTF::WrapUnique(new TaskRunnerTimer<BitmapImage>( | 627 frame_timer_ = WTF::WrapUnique(new Timer<BitmapImage>( |
637 task_runner_, this, | 628 this, &BitmapImage::NotifyObserversOfAnimationAdvance)); |
638 &BitmapImage::NotifyObserversOfAnimationAdvance)); | |
639 frame_timer_->StartOneShot(0, BLINK_FROM_HERE); | 629 frame_timer_->StartOneShot(0, BLINK_FROM_HERE); |
640 } | 630 } |
641 | 631 |
642 return false; | 632 return false; |
643 } | 633 } |
644 | 634 |
645 // Loop the animation back to the first frame. | 635 // Loop the animation back to the first frame. |
646 current_frame_ = 0; | 636 current_frame_ = 0; |
647 } | 637 } |
648 | 638 |
649 // We need to draw this frame if we advanced to it while not skipping. | 639 // We need to draw this frame if we advanced to it while not skipping. |
650 if (advancement != kSkipFramesToCatchUp) | 640 if (advancement != kSkipFramesToCatchUp) |
651 GetImageObserver()->AnimationAdvanced(this); | 641 GetImageObserver()->AnimationAdvanced(this); |
652 | 642 |
653 return true; | 643 return true; |
654 } | 644 } |
655 | 645 |
656 void BitmapImage::NotifyObserversOfAnimationAdvance(TimerBase*) { | 646 void BitmapImage::NotifyObserversOfAnimationAdvance(TimerBase*) { |
657 GetImageObserver()->AnimationAdvanced(this); | 647 GetImageObserver()->AnimationAdvanced(this); |
658 } | 648 } |
659 | 649 |
660 } // namespace blink | 650 } // namespace blink |
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