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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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66
Tests/LibWeb/Layout/expected/text-align-justify-with-forced-break.txt
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@ -2,71 +2,65 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x118 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x102 children: not-inline
BlockContainer <div> at (9,9) content-size 100x100 children: inline
line 0 width: 98, height: 17, bottom: 17, baseline: 13.296875
frag 0 from TextNode start: 1, length: 3, rect: [9,9 27.15625x17]
frag 0 from TextNode start: 1, length: 3, rect: [9,9 27.15625x17] baseline: 13.296875
"foo"
frag 1 from TextNode start: 4, length: 1, rect: [36,9 9x17]
frag 1 from TextNode start: 4, length: 1, rect: [36,9 9x17] baseline: 13.296875
" "
frag 2 from TextNode start: 5, length: 3, rect: [45,9 27.640625x17]
frag 2 from TextNode start: 5, length: 3, rect: [45,9 27.640625x17] baseline: 13.296875
"bar"
frag 3 from TextNode start: 8, length: 1, rect: [73,9 9x17]
frag 3 from TextNode start: 8, length: 1, rect: [73,9 9x17] baseline: 13.296875
" "
frag 4 from TextNode start: 9, length: 3, rect: [82,9 27.203125x17]
frag 4 from TextNode start: 9, length: 3, rect: [82,9 27.203125x17] baseline: 13.296875
"baz"
line 1 width: 98, height: 17, bottom: 34, baseline: 13.296875
frag 0 from TextNode start: 13, length: 3, rect: [9,26 27.15625x17]
frag 5 from TextNode start: 13, length: 3, rect: [9,26 27.15625x17] baseline: 13.296875
"foo"
frag 1 from TextNode start: 16, length: 1, rect: [36,26 8x17]
frag 6 from TextNode start: 16, length: 1, rect: [36,26 8x17] baseline: 13.296875
" "
frag 2 from TextNode start: 17, length: 3, rect: [44,26 27.640625x17]
frag 7 from TextNode start: 17, length: 3, rect: [44,26 27.640625x17] baseline: 13.296875
"bar"
frag 3 from TextNode start: 20, length: 1, rect: [72,26 8x17]
frag 8 from TextNode start: 20, length: 1, rect: [72,26 8x17] baseline: 13.296875
" "
frag 4 from TextNode start: 21, length: 3, rect: [80,26 27.203125x17]
frag 9 from TextNode start: 21, length: 3, rect: [80,26 27.203125x17] baseline: 13.296875
"baz"
line 2 width: 98, height: 17, bottom: 51, baseline: 13.296875
frag 0 from TextNode start: 1, length: 3, rect: [9,43 27.15625x17]
frag 10 from TextNode start: 1, length: 3, rect: [9,43 27.15625x17] baseline: 13.296875
"foo"
frag 1 from TextNode start: 4, length: 1, rect: [36,43 9x17]
frag 11 from TextNode start: 4, length: 1, rect: [36,43 9x17] baseline: 13.296875
" "
frag 2 from TextNode start: 5, length: 3, rect: [45,43 27.640625x17]
frag 12 from TextNode start: 5, length: 3, rect: [45,43 27.640625x17] baseline: 13.296875
"bar"
frag 3 from TextNode start: 8, length: 1, rect: [73,43 9x17]
frag 13 from TextNode start: 8, length: 1, rect: [73,43 9x17] baseline: 13.296875
" "
frag 4 from TextNode start: 9, length: 3, rect: [82,43 27.203125x17]
frag 14 from TextNode start: 9, length: 3, rect: [82,43 27.203125x17] baseline: 13.296875
"baz"
line 3 width: 98, height: 17, bottom: 68, baseline: 13.296875
frag 0 from TextNode start: 13, length: 3, rect: [9,60 27.15625x17]
frag 15 from TextNode start: 13, length: 3, rect: [9,60 27.15625x17] baseline: 13.296875
"foo"
frag 1 from TextNode start: 16, length: 1, rect: [36,60 9x17]
frag 16 from TextNode start: 16, length: 1, rect: [36,60 9x17] baseline: 13.296875
" "
frag 2 from TextNode start: 17, length: 3, rect: [45,60 27.640625x17]
frag 17 from TextNode start: 17, length: 3, rect: [45,60 27.640625x17] baseline: 13.296875
"bar"
frag 3 from TextNode start: 20, length: 1, rect: [73,60 9x17]
frag 18 from TextNode start: 20, length: 1, rect: [73,60 9x17] baseline: 13.296875
" "
frag 4 from TextNode start: 21, length: 3, rect: [82,60 27.203125x17]
frag 19 from TextNode start: 21, length: 3, rect: [82,60 27.203125x17] baseline: 13.296875
"baz"
line 4 width: 98, height: 17, bottom: 85, baseline: 13.296875
frag 0 from TextNode start: 25, length: 3, rect: [9,77 27.15625x17]
frag 20 from TextNode start: 25, length: 3, rect: [9,77 27.15625x17] baseline: 13.296875
"foo"
frag 1 from TextNode start: 28, length: 1, rect: [36,77 8x17]
frag 21 from TextNode start: 28, length: 1, rect: [36,77 8x17] baseline: 13.296875
" "
frag 2 from TextNode start: 29, length: 3, rect: [44,77 27.640625x17]
frag 22 from TextNode start: 29, length: 3, rect: [44,77 27.640625x17] baseline: 13.296875
"bar"
frag 3 from TextNode start: 32, length: 1, rect: [72,77 8x17]
frag 23 from TextNode start: 32, length: 1, rect: [72,77 8x17] baseline: 13.296875
" "
frag 4 from TextNode start: 33, length: 3, rect: [80,77 27.203125x17]
frag 24 from TextNode start: 33, length: 3, rect: [80,77 27.203125x17] baseline: 13.296875
"baz"
line 5 width: 98, height: 17, bottom: 102, baseline: 13.296875
frag 0 from TextNode start: 1, length: 3, rect: [9,94 27.15625x17]
frag 25 from TextNode start: 1, length: 3, rect: [9,94 27.15625x17] baseline: 13.296875
"foo"
frag 1 from TextNode start: 4, length: 1, rect: [36,94 8x17]
frag 26 from TextNode start: 4, length: 1, rect: [36,94 8x17] baseline: 13.296875
" "
frag 2 from TextNode start: 5, length: 3, rect: [44,94 27.640625x17]
frag 27 from TextNode start: 5, length: 3, rect: [44,94 27.640625x17] baseline: 13.296875
"bar"
frag 3 from TextNode start: 8, length: 1, rect: [72,94 8x17]
frag 28 from TextNode start: 8, length: 1, rect: [72,94 8x17] baseline: 13.296875
" "
frag 4 from TextNode start: 9, length: 3, rect: [80,94 27.203125x17]
frag 29 from TextNode start: 9, length: 3, rect: [80,94 27.203125x17] baseline: 13.296875
"baz"
TextNode <#text>
BreakNode <br>