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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 (1,1) content-size 798x0 [BFC] children: not-inline
BlockContainer <body> at (10,10) content-size 500x100 positioned [BFC] children: not-inline
BlockContainer <div.image-container> at (261,11) content-size 248x28.4836 positioned [BFC] children: inline
line 0 width: 250, height: 28.4836, bottom: 28.4836, baseline: 28.4836
frag 0 from ImageBox start: 0, length: 0, rect: [262,12 248x26.4836]
ImageBox <img> at (262,12) content-size 248x26.4836 children: not-inline
BlockContainer <div.image-container> at (261,11) content-size 248x25.25 positioned [BFC] children: inline
line 0 width: 250, height: 25.25, bottom: 25.25, baseline: 25.25
frag 0 from ImageBox start: 0, length: 0, rect: [262,12 248x23.25]
ImageBox <img> at (262,12) content-size 248x23.25 children: not-inline