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LibWeb: Use separate structure to represent fragments in paintable tree

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This is a part of refactoring towards making the paintable tree
independent of the layout tree. Now, instead of transferring text
fragments from the layout tree to the paintable tree during the layout
commit phase, we allocate separate PaintableFragments that contain only
the information necessary for painting. Doing this also allows us to
get rid LineBoxes, as they are used only during layout.
This commit is contained in:
Aliaksandr Kalenik 2024-01-12 21:25:05 +01:00 • committed by Andreas Kling
parent 785fa60cca
commit de32b77ceb
401 changed files with 2122 additions and 3614 deletions
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6
Tests/LibWeb/Layout/expected/block-and-inline/margin-collapse-5.txt
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@ -1,11 +1,9 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (1,1) content-size 798x121 [BFC] children: inline
line 0 width: 170.96875, height: 121, bottom: 121, baseline: 15.296875
frag 0 from BlockContainer start: 0, length: 0, rect: [2,2 168.96875x119]
frag 0 from BlockContainer start: 0, length: 0, rect: [2,2 168.96875x119] baseline: 15.296875
BlockContainer <body> at (2,2) content-size 168.96875x119 inline-block [BFC] children: not-inline
BlockContainer <div.hmm> at (3,3) content-size 166.96875x17 children: inline
line 0 width: 166.96875, height: 17, bottom: 17, baseline: 13.296875
frag 0 from TextNode start: 0, length: 21, rect: [3,3 166.96875x17]
frag 0 from TextNode start: 0, length: 21, rect: [3,3 166.96875x17] baseline: 13.296875
"suspiciously tall box"
TextNode <#text>
BlockContainer <(anonymous)> at (2,121) content-size 168.96875x0 children: inline