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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

@ -4,4 +4,4 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
line 0 width: 784, height: 784, bottom: 784, baseline: 784
frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 784x784]
SVGSVGBox <svg> at (8,8) content-size 784x784 [SVG] children: not-inline
SVGGeometryBox <rect> at (7.999992,7.999992) content-size 784x784 children: not-inline
SVGGeometryBox <rect> at (8,8) content-size 784x784 children: not-inline