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LibWeb: Implement font-size: math

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This is a MathML extension, basically a big hack to make parts of
equations smaller, such as sub/superscripts. The important thing is, it
works. :^)
This commit is contained in:
Sam Atkins 2023-09-07 17:39:07 +01:00 • committed by Sam Atkins
parent 6476dea898
commit f7209fb9d4
5 changed files with 104 additions and 12 deletions
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39
Tests/LibWeb/Layout/expected/css-font-size-math.txt Normal file
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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 784x78.609375 children: inline
line 0 width: 78.9375, height: 78.609375, bottom: 78.609375, baseline: 60.90625
frag 0 from TextNode start: 0, length: 1, rect: [8,25 39.09375x55.8125]
"H"
frag 1 from TextNode start: 0, length: 1, rect: [47,38 19.78125x39.625]
"e"
frag 2 from TextNode start: 0, length: 1, rect: [67,47 6.8125x28.125]
"l"
frag 3 from TextNode start: 0, length: 1, rect: [74,53 4.84375x19.96875]
"l"
frag 4 from TextNode start: 0, length: 1, rect: [79,57 8.40625x14.171875]
"o"
InlineNode <span>
TextNode <#text>
InlineNode <span>
TextNode <#text>
InlineNode <span>
TextNode <#text>
InlineNode <span>
TextNode <#text>
InlineNode <span>
TextNode <#text>
TextNode <#text>
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
PaintableWithLines (BlockContainer<BODY>) [8,8 784x78.609375]
InlinePaintable (InlineNode<SPAN>)
TextPaintable (TextNode<#text>)
InlinePaintable (InlineNode<SPAN>)
TextPaintable (TextNode<#text>)
InlinePaintable (InlineNode<SPAN>)
TextPaintable (TextNode<#text>)
InlinePaintable (InlineNode<SPAN>)
TextPaintable (TextNode<#text>)
InlinePaintable (InlineNode<SPAN>)
TextPaintable (TextNode<#text>)

10
Tests/LibWeb/Layout/input/css-font-size-math.html Normal file
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<style>
body {
font: 72px SerenitySans;
}
span {
font-size: math;
math-depth: add(1);
}
</style>
<span>H<span>e<span>l<span>l<span>o</span></span></span></span></span>