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LibWeb: Handle CSS "ex" lengths (relative to font x-height)

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These are pretty rare, but they do come up in some places and it's not
hard to support. The Gfx::Font information is approximate (and bad)
but we can fix that separately.
This commit is contained in:
Andreas Kling 2020-08-07 20:30:27 +02:00
parent 0bbced444b
commit 498845ea2f
3 changed files with 9 additions and 1 deletions
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3
Libraries/LibWeb/CSS/Parser/CSSParser.cpp
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@ -284,6 +284,9 @@ static CSS::Length parse_length(const CSS::ParsingContext& context, const String
} else if (view.to_string().to_lowercase().ends_with("em")) {
type = CSS::Length::Type::Em;
value = try_parse_float(view.substring_view(0, view.length() - 2));
} else if (view.to_string().to_lowercase().ends_with("ex")) {
type = CSS::Length::Type::Ex;
value = try_parse_float(view.substring_view(0, view.length() - 2));
} else if (view == "0") {
type = CSS::Length::Type::Px;
value = 0;