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LibWeb: Use fixed-point saturated arithmetics for CSSPixels

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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
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22
Tests/LibWeb/Layout/expected/table/width-distribution-of-max-width-increment.txt
View file

@ -1,33 +1,33 @@
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 784x21.46875 children: not-inline
TableWrapper <(anonymous)> at (8,8) content-size 784x21.46875 [BFC] children: not-inline
Box <table> at (8,8) content-size 784x21.46875 table-box [TFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x20.46875 children: not-inline
TableWrapper <(anonymous)> at (8,8) content-size 784x20.46875 [BFC] children: not-inline
Box <table> at (8,8) content-size 784x20.46875 table-box [TFC] children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
Box <tbody> at (8,8) content-size 784x21.46875 table-row-group children: not-inline
Box <tbody> at (8,8) content-size 783.96875x20.46875 table-row-group children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
Box <tr> at (8,8) content-size 784x21.46875 table-row children: not-inline
Box <tr> at (8,8) content-size 783.96875x20.46875 table-row children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <td> at (10,10) content-size 216.099903x17.46875 table-cell [BFC] children: inline
BlockContainer <td> at (9.5,9.5) content-size 215.09375x17.46875 table-cell [BFC] children: inline
line 0 width: 14.265625, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 1, length: 1, rect: [10,10 14.265625x17.46875]
frag 0 from TextNode start: 1, length: 1, rect: [9.5,9.5 14.265625x17.46875]
"A"
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <td> at (230.099903,10) content-size 156.791546x17.46875 table-cell [BFC] children: inline
BlockContainer <td> at (227.59375,9.5) content-size 152.921875x17.46875 table-cell [BFC] children: inline
line 0 width: 9.34375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 1, length: 1, rect: [230.099903,10 9.34375x17.46875]
frag 0 from TextNode start: 1, length: 1, rect: [227.59375,9.5 9.34375x17.46875]
"B"
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <td> at (390.891450,10) content-size 399.108549x17.46875 table-cell [BFC] children: inline
BlockContainer <td> at (383.515625,9.5) content-size 406.953125x17.46875 table-cell [BFC] children: inline
line 0 width: 29.453125, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 1, length: 3, rect: [390.891450,10 29.453125x17.46875]
frag 0 from TextNode start: 1, length: 3, rect: [383.515625,9.5 29.453125x17.46875]
"C D"
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline