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author | Andy <webmaster@RealityRipple.com> | 2020-07-31 13:01:18 -0700 |
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committer | Andy <webmaster@RealityRipple.com> | 2020-07-31 13:01:18 -0700 |
commit | 232f987cf45aad65d20e79d283f14c72771c9bc8 (patch) | |
tree | 1a794fa80b38b0248439085c8ce76b6dfce1cb3a /layout/generic/nsImageFrame.cpp | |
parent | 091749192cc7595a0013850fb450a5c1b6dde20b (diff) | |
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Issue #1619 - Convert Intrinsic Ratio to Float
https://bugzilla.mozilla.org/show_bug.cgi?id=1547792
Aspect Ratio handling simplified by using floating point integers:
- Multiplication of value (or inverse value) to a known side for Scaling
- No unequal equal values such as "4/3" vs "8/6" vs "20/15"
- Truly "Empty" aspect ratios, even if one dimension is not 0
Diffstat (limited to 'layout/generic/nsImageFrame.cpp')
-rw-r--r-- | layout/generic/nsImageFrame.cpp | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/layout/generic/nsImageFrame.cpp b/layout/generic/nsImageFrame.cpp index b96af66b5..365b7810b 100644 --- a/layout/generic/nsImageFrame.cpp +++ b/layout/generic/nsImageFrame.cpp @@ -138,7 +138,6 @@ NS_IMPL_FRAMEARENA_HELPERS(nsImageFrame) nsImageFrame::nsImageFrame(nsStyleContext* aContext) : nsAtomicContainerFrame(aContext), mComputedSize(0, 0), - mIntrinsicRatio(0, 0), mDisplayingIcon(false), mFirstFrameComplete(false), mReflowCallbackPosted(false), @@ -325,11 +324,11 @@ nsImageFrame::UpdateIntrinsicRatio(imgIContainer* aImage) if (!aImage) return false; - nsSize oldIntrinsicRatio = mIntrinsicRatio; + AspectRatio oldIntrinsicRatio = mIntrinsicRatio; // Set intrinsic ratio to match aImage's reported intrinsic ratio. if (NS_FAILED(aImage->GetIntrinsicRatio(&mIntrinsicRatio))) - mIntrinsicRatio.SizeTo(0, 0); + mIntrinsicRatio = AspectRatio(); return mIntrinsicRatio != oldIntrinsicRatio; } @@ -557,7 +556,7 @@ nsImageFrame::OnSizeAvailable(imgIRequest* aRequest, imgIContainer* aImage) // Have to size to 0,0 so that GetDesiredSize recalculates the size. mIntrinsicSize.width.SetCoordValue(0); mIntrinsicSize.height.SetCoordValue(0); - mIntrinsicRatio.SizeTo(0, 0); + mIntrinsicRatio = AspectRatio(); intrinsicSizeChanged = true; } @@ -672,7 +671,7 @@ nsImageFrame::NotifyNewCurrentRequest(imgIRequest *aRequest, // Have to size to 0,0 so that GetDesiredSize recalculates the size mIntrinsicSize.width.SetCoordValue(0); mIntrinsicSize.height.SetCoordValue(0); - mIntrinsicRatio.SizeTo(0, 0); + mIntrinsicRatio = AspectRatio(); } if (mState & IMAGE_GOTINITIALREFLOW) { // do nothing if we haven't gotten the initial reflow yet @@ -808,7 +807,7 @@ nsImageFrame::EnsureIntrinsicSizeAndRatio() ICON_SIZE + (2 * (ICON_PADDING + ALT_BORDER_WIDTH))); mIntrinsicSize.width.SetCoordValue(edgeLengthToUse); mIntrinsicSize.height.SetCoordValue(edgeLengthToUse); - mIntrinsicRatio.SizeTo(1, 1); + mIntrinsicRatio = AspectRatio(1.0f); } } } @@ -932,7 +931,7 @@ nsImageFrame::GetIntrinsicSize() return mIntrinsicSize; } -/* virtual */ nsSize +/* virtual */ AspectRatio nsImageFrame::GetIntrinsicRatio() { return mIntrinsicRatio; |