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LibWeb: Handle <relative-size> values in the font-size
CSS property
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1 changed files with 14 additions and 4 deletions
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@ -1022,14 +1022,24 @@ void StyleComputer::compute_font(StyleProperties& style, DOM::Element const* ele
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{ CSS::ValueID::XLarge, 1.5 },
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{ CSS::ValueID::XxLarge, 2.0 },
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{ CSS::ValueID::XxxLarge, 3.0 },
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{ CSS::ValueID::Smaller, 0.8 },
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{ CSS::ValueID::Larger, 1.25 },
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};
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auto const identifier = static_cast<IdentifierStyleValue const&>(*font_size).id();
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// https://w3c.github.io/csswg-drafts/css-fonts/#valdef-font-size-relative-size
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// TODO: If the parent element has a keyword font size in the absolute size keyword mapping table,
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// larger may compute the font size to the next entry in the table,
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// and smaller may compute the font size to the previous entry in the table.
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if (identifier == CSS::ValueID::Smaller || identifier == CSS::ValueID::Larger) {
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// FIXME: Should be based on parent element
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} else {
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auto const multiplier = absolute_size_mapping.get(identifier).value_or(1.0);
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font_size_in_px *= multiplier;
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if (parent_element && parent_element->computed_css_values()) {
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font_size_in_px = parent_element->computed_css_values()->computed_font().pixel_metrics().size;
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}
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}
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auto const multiplier = absolute_size_mapping.get(identifier).value_or(1.0);
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font_size_in_px *= multiplier;
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} else {
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float root_font_size = root_element_font_size();
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