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LibWeb: Use actual line height to calculate float y in IFC

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Before, we were using the line height from NodeWithStyle::line_height()
 to calculate the y offset for floats inside the IFC. However, this
value doesn't always correspond to the actual height of a line box. For
instance, adding a fragment for an inline-block might change the height
of the line box. With this change, we recalculate the height of the
line box after adding a new fragment and use this recalculated height
value to determine the y position for floats.

Fixes https://github.com/SerenityOS/serenity/issues/20982
This commit is contained in:
Aliaksandr Kalenik 2023-09-09 15:39:22 +02:00 • committed by Andreas Kling
parent 6ab11e5f44
commit df2bc8187c
4 changed files with 50 additions and 3 deletions
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Userland/Libraries/LibWeb/Layout/LineBox.cpp
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@ -29,6 +29,7 @@ void LineBox::add_fragment(Node const& layout_node, int start, int length, CSSPi
m_fragments.append(LineBoxFragment { layout_node, start, length, CSSPixelPoint(x_offset, y_offset), CSSPixelSize(content_width, content_height), border_box_top, border_box_bottom });
}
m_width += leading_margin + leading_size + content_width + trailing_size + trailing_margin;
m_height = max(m_height, content_height + border_box_top + border_box_bottom);
}
void LineBox::trim_trailing_whitespace()