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LibWeb: Support <svg> elements with display: block
There are a couple of things that went into this: - We now calculate the intrinsic width/height and aspect ratio of <svg> elements based on the spec algorithm instead of our previous ad-hoc guesswork solution. - Replaced elements with automatic size and intrinsic aspect ratio but no intrinsic dimensions are now sized with the stretch-fit width formula. - We take care to assign both used width and used height to <svg> elements before running their SVG formatting contexts. This ensures that the inside SVG content is laid out with knowledge of its viewport geometry. - We avoid infinite recursion in tentative_height_for_replaced_element() by using the already-calculated used width instead of calling the function that calculates the used width (since that may call us right back again).
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11 changed files with 107 additions and 74 deletions
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@ -113,11 +113,11 @@ void InlineFormattingContext::dimension_box_on_line(Box const& box, LayoutMode l
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if (is<ReplacedBox>(box)) {
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auto& replaced = verify_cast<ReplacedBox>(box);
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if (is<SVGSVGBox>(box))
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(void)layout_inside(replaced, layout_mode, box_state.available_inner_space_or_constraints_from(*m_available_space));
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box_state.set_content_width(compute_width_for_replaced_element(m_state, replaced, *m_available_space));
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box_state.set_content_height(compute_height_for_replaced_element(m_state, replaced, *m_available_space));
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if (is<SVGSVGBox>(box))
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(void)layout_inside(replaced, layout_mode, box_state.available_inner_space_or_constraints_from(*m_available_space));
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return;
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}
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