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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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@ -577,6 +577,9 @@ void BlockFormattingContext::layout_block_level_box(Box const& box, BlockContain
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place_block_level_element_in_normal_flow_horizontally(box, available_space);
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if (box.is_replaced_box())
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compute_height(box, available_space);
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if (independent_formatting_context) {
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// This box establishes a new formatting context. Pass control to it.
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independent_formatting_context->run(box, layout_mode, box_state.available_inner_space_or_constraints_from(available_space));
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