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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

@ -1,7 +1,7 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x54.589843 children: inline
line 0 width: 137.646484, height: 54.589843, bottom: 54.589843, baseline: 42.285156
frag 0 from TextNode start: 0, length: 5, rect: [8,8 137.646484x54.589843]
BlockContainer <body> at (8,8) content-size 784x54.578125 children: inline
line 0 width: 137.640625, height: 54.578125, bottom: 54.578125, baseline: 42.265625
frag 0 from TextNode start: 0, length: 5, rect: [8,8 137.640625x54.578125]
"Crazy"
TextNode <#text>