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LibWeb: Use fixed-point saturated arithmetics for CSSPixels

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

View file

@ -17,7 +17,7 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
TextNode <#text>
BlockContainer <div#text> at (9,109) content-size 778x17.46875 children: inline
line 0 width: 54.796875, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 6, rect: [371,109 54.796875x17.46875]
frag 0 from TextNode start: 0, length: 6, rect: [370.59375,109 54.796875x17.46875]
"foobar"
TextNode <#text>
BlockContainer <(anonymous)> at (9,126.46875) content-size 778x0 children: inline