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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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28
Tests/LibWeb/Layout/expected/table/row-span-and-nested-tables.txt
View file

@ -15,9 +15,9 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
Box <tr> at (11,11) content-size 67.828125x54.203125 table-row children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <td> at (17,29.367187) content-size 11.5625x17.46875 table-cell [BFC] children: inline
BlockContainer <td> at (17,29.359375) content-size 11.5625x17.46875 table-cell [BFC] children: inline
line 0 width: 11.5625, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 1, rect: [17,29.367187 11.5625x17.46875]
frag 0 from TextNode start: 0, length: 1, rect: [17,29.359375 11.5625x17.46875]
"X"
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline
@ -29,39 +29,39 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
Box <table> at (43.5625,18) content-size 30.265625x96.40625 table-box [TFC] children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
Box <tbody> at (43.5625,18) content-size 26.265625x88.40625 table-row-group children: not-inline
Box <tbody> at (43.5625,18) content-size 26.265625x87 table-row-group children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
Box <tr> at (45.5625,20) content-size 26.265625x29.46875 table-row children: not-inline
Box <tr> at (45.5625,20) content-size 26.265625x29 table-row children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <td> at (51.5625,26) content-size 14.265625x17.46875 table-cell [BFC] children: inline
BlockContainer <td> at (51.5625,25.765625) content-size 14.265625x17.46875 table-cell [BFC] children: inline
line 0 width: 14.265625, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 1, rect: [51.5625,26 14.265625x17.46875]
frag 0 from TextNode start: 0, length: 1, rect: [51.5625,25.765625 14.265625x17.46875]
"A"
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
Box <tr> at (45.5625,51.46875) content-size 26.265625x29.46875 table-row children: not-inline
Box <tr> at (45.5625,51) content-size 26.265625x29 table-row children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <td> at (51.5625,57.46875) content-size 14.265625x17.46875 table-cell [BFC] children: inline
BlockContainer <td> at (51.5625,56.765625) content-size 14.265625x17.46875 table-cell [BFC] children: inline
line 0 width: 9.34375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 1, rect: [51.5625,57.46875 9.34375x17.46875]
frag 0 from TextNode start: 0, length: 1, rect: [51.5625,56.765625 9.34375x17.46875]
"B"
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
Box <tr> at (45.5625,82.9375) content-size 26.265625x29.46875 table-row children: not-inline
Box <tr> at (45.5625,82) content-size 26.265625x29 table-row children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <td> at (51.5625,88.9375) content-size 14.265625x17.46875 table-cell [BFC] children: inline
BlockContainer <td> at (51.5625,87.765625) content-size 14.265625x17.46875 table-cell [BFC] children: inline
line 0 width: 10.3125, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 1, rect: [51.5625,88.9375 10.3125x17.46875]
frag 0 from TextNode start: 0, length: 1, rect: [51.5625,87.765625 10.3125x17.46875]
"C"
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline
@ -79,9 +79,9 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
Box <tr> at (11,67.203125) content-size 67.828125x54.203125 table-row children: not-inline
BlockContainer <(anonymous)> (not painted) children: inline
TextNode <#text>
BlockContainer <td> at (17,85.570312) content-size 11.5625x17.46875 table-cell [BFC] children: inline
BlockContainer <td> at (17,85.5625) content-size 11.5625x17.46875 table-cell [BFC] children: inline
line 0 width: 11.09375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 1, rect: [17,85.570312 11.09375x17.46875]
frag 0 from TextNode start: 0, length: 1, rect: [17,85.5625 11.09375x17.46875]
"Y"
TextNode <#text>
BlockContainer <(anonymous)> (not painted) children: inline