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LibWeb: Use fixed-point saturated arithmetics for CSSPixels

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Using fixed-point saturated arithmetics for CSSPixels allows to avoid
accumulating floating-point errors.

This implementation is not complete yet: currently saturated
arithmetics implemented only for addition. But it is enough to not
regress any of layout tests we have :)

See https://github.com/SerenityOS/serenity/issues/18566
This commit is contained in:
Aliaksandr Kalenik 2023-07-23 01:09:39 +02:00 • committed by Andreas Kling
parent 5cdd03fc53
commit bec07d4af7
136 changed files with 1938 additions and 1844 deletions
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14
Tests/LibWeb/Layout/expected/block-and-inline/margin-collapse-5.txt
View file

@ -1,12 +1,12 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (1,1) content-size 798x134.46875 [BFC] children: inline
line 0 width: 170.96875, height: 134.46875, bottom: 134.46875, baseline: 13.53125
frag 0 from BlockContainer start: 0, length: 0, rect: [2,15 168.96875x119.46875]
BlockContainer <body> at (2,15) content-size 168.96875x119.46875 inline-block [BFC] children: not-inline
BlockContainer <div.hmm> at (3,16) content-size 166.96875x17.46875 children: inline
BlockContainer <html> at (1,1) content-size 798x135 [BFC] children: inline
line 0 width: 170.96875, height: 135, bottom: 135, baseline: 13.53125
frag 0 from BlockContainer start: 0, length: 0, rect: [2,15.53125 168.96875x119.46875]
BlockContainer <body> at (2,15.53125) content-size 168.96875x119.46875 inline-block [BFC] children: not-inline
BlockContainer <div.hmm> at (3,16.53125) content-size 166.96875x17.46875 children: inline
line 0 width: 166.96875, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 21, rect: [3,16 166.96875x17.46875]
frag 0 from TextNode start: 0, length: 21, rect: [3,16.53125 166.96875x17.46875]
"suspiciously tall box"
TextNode <#text>
BlockContainer <(anonymous)> at (2,134.46875) content-size 168.96875x0 children: inline
BlockContainer <(anonymous)> at (2,135) content-size 168.96875x0 children: inline
TextNode <#text>