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LibWeb: Support inline-level padding and border properly
Here's roughly how this works: - InlineLevelIterator keeps a nesting stack of inline-level nodes with box model metrics. - When entering a node with box model metrics, we add them to the current "leading metrics". - When exiting a node with box model metrics, we add them to the current "trailing metrics". - Pending leading metrics are consumed by the first fragment added to the line. - Pending trailing metrics are consumed by the last fragment added to the line. Like before, the position of a line box fragment is the top left of its content box. However, fragments are placed horizontally along the line with space inserted for padding and border. InlineNode::paint() now expands the content rect as appropriate when painting background and borders. Note that margins and margin collapsing is not yet implemented. This makes the eyes on ACID2 horizontally centered. :^)
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8 changed files with 191 additions and 36 deletions
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@ -18,7 +18,7 @@ public:
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float width() const { return m_width; }
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void add_fragment(Node& layout_node, int start, int length, float width, float height, LineBoxFragment::Type = LineBoxFragment::Type::Normal);
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void add_fragment(Node& layout_node, int start, int length, float leading_size, float trailing_size, float content_width, float content_height, LineBoxFragment::Type = LineBoxFragment::Type::Normal);
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const NonnullOwnPtrVector<LineBoxFragment>& fragments() const { return m_fragments; }
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NonnullOwnPtrVector<LineBoxFragment>& fragments() { return m_fragments; }
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