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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

@ -1,9 +1,9 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (1,1) content-size 798x45.835937 [BFC] children: not-inline
BlockContainer <body> at (10,10) content-size 780x27.835937 children: inline
line 0 width: 202, height: 27.835937, bottom: 27.835937, baseline: 23.835937
frag 0 from BlockContainer start: 0, length: 0, rect: [11,11 200x25.835937]
BlockContainer <input> at (11,11) content-size 200x25.835937 inline-block [BFC] children: not-inline
Box <div> at (13,12) content-size 196x23.835937 flex-container(row) [FFC] children: not-inline
BlockContainer <div> at (14,13) content-size 0x21.835937 flex-item [BFC] children: inline
BlockContainer <html> at (1,1) content-size 798x45.828125 [BFC] children: not-inline
BlockContainer <body> at (10,10) content-size 780x27.828125 children: inline
line 0 width: 202, height: 27.828125, bottom: 27.828125, baseline: 23.828125
frag 0 from BlockContainer start: 0, length: 0, rect: [11,11 200x25.828125]
BlockContainer <input> at (11,11) content-size 200x25.828125 inline-block [BFC] children: not-inline
Box <div> at (13,12) content-size 196x23.828125 flex-container(row) [FFC] children: not-inline
BlockContainer <div> at (14,13) content-size 0x21.828125 flex-item [BFC] children: inline
TextNode <#text>