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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

@ -1,6 +1,6 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (1,1) content-size 798x80 [BFC] children: not-inline
BlockContainer <body> at (10,10) content-size 780x62 children: inline
line 0 width: 82, height: 62, bottom: 62, baseline: 62
frag 0 from ImageBox start: 0, length: 0, rect: [11,11 80x60]
ImageBox <img> at (11,11) content-size 80x60 children: not-inline
line 0 width: 81.6875, height: 62, bottom: 62, baseline: 62
frag 0 from ImageBox start: 0, length: 0, rect: [11,11 79.6875x60]
ImageBox <img> at (11,11) content-size 79.6875x60 children: not-inline