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Fix wrong SVG sizes with non-integer values for viewBox width/height.

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Includes a standalone reftest.
This commit is contained in:
wolfbeast 2018-09-14 20:54:19 +02:00 • committed by Roy Tam
commit ee1233bb0c
2 changed files with 180 additions and 4 deletions
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9
layout/svg/nsSVGOuterSVGFrame.cpp
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@ -241,8 +241,9 @@ nsSVGOuterSVGFrame::GetIntrinsicRatio()
nsSVGLength2 &height = content->mLengthAttributes[SVGSVGElement::ATTR_HEIGHT];
if (!width.IsPercentage() && !height.IsPercentage()) {
nsSize ratio(NSToCoordRoundWithClamp(width.GetAnimValue(content)),
NSToCoordRoundWithClamp(height.GetAnimValue(content)));
nsSize ratio(
nsPresContext::CSSPixelsToAppUnits(width.GetAnimValue(content)),
nsPresContext::CSSPixelsToAppUnits(height.GetAnimValue(content)));
if (ratio.width < 0) {
ratio.width = 0;
}
@ -272,8 +273,8 @@ nsSVGOuterSVGFrame::GetIntrinsicRatio()
if (viewBoxHeight < 0.0f) {
viewBoxHeight = 0.0f;
}
return nsSize(NSToCoordRoundWithClamp(viewBoxWidth),
NSToCoordRoundWithClamp(viewBoxHeight));
return nsSize(nsPresContext::CSSPixelsToAppUnits(viewBoxWidth),
nsPresContext::CSSPixelsToAppUnits(viewBoxHeight));
}
return nsSVGDisplayContainerFrame::GetIntrinsicRatio();