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Bug 1207355 (Part 5) - Request decodes intelligently in MultipartImage. r=tn

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This commit is contained in:
Seth Fowler 2015-10-28 16:40:43 -07:00
parent 4d49d8e368
commit 4b236871f0
1 changed files with 10 additions and 2 deletions
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12
image/MultipartImage.cpp
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@ -70,6 +70,16 @@ public:
return;
}
// Retrieve the image's intrinsic size.
int32_t width = 0;
int32_t height = 0;
mImage->GetWidth(&width);
mImage->GetHeight(&height);
// Request decoding at the intrinsic size.
mImage->RequestDecodeForSize(IntSize(width, height),
imgIContainer::DECODE_FLAGS_DEFAULT);
// If there's already an error, we may never get a FRAME_COMPLETE
// notification, so go ahead and notify our owner right away.
RefPtr<ProgressTracker> tracker = mImage->GetProgressTracker();
@ -125,7 +135,6 @@ MultipartImage::Init()
RefPtr<ProgressTracker> firstPartTracker =
InnerImage()->GetProgressTracker();
firstPartTracker->AddObserver(this);
InnerImage()->RequestDecode();
InnerImage()->IncrementAnimationConsumers();
}
@ -154,7 +163,6 @@ MultipartImage::BeginTransitionToPart(Image* aNextPart)
// Start observing the next part; we'll complete the transition when
// NextPartObserver calls FinishTransition.
mNextPartObserver->BeginObserving(mNextPart);
mNextPart->RequestDecode();
mNextPart->IncrementAnimationConsumers();
}