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LibWeb: Avoid leaking infinite remaining_free_space in FFC calculation

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After switching to fixed-point arithmetic in CSSPixels, it no longer
supports representing infinite values, which was previously the case
for remaining_free_space in FFC. Using Optional that is not empty only
when value is finite to store remaining_free_space ensures that
infinity is avoided in layout calculations.
This commit is contained in:
Aliaksandr Kalenik 2023-07-25 22:18:08 +02:00 • committed by Andreas Kling
parent de95a2fe33
commit 152ce88984
4 changed files with 36 additions and 17 deletions
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8
Tests/LibWeb/Layout/expected/flex/inf-available-space-with-auto-margins.txt Normal file
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@ -0,0 +1,8 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x33.46875 [BFC] children: not-inline
Box <body> at (8,8) content-size 784x17.46875 flex-container(column) [FFC] children: not-inline
BlockContainer <main> at (8,8) content-size 784x17.46875 flex-item [BFC] children: inline
line 0 width: 153.984375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 13, rect: [8,8 153.984375x17.46875]
"hmmMMMMmmmmmm"
TextNode <#text>