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LibWeb: Resolve "height: auto" using preferred aspect ratio if possible

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Fixes https://github.com/LadybirdBrowser/ladybird/issues/2276
This commit is contained in:
Aliaksandr Kalenik 2025-03-14 20:20:34 +01:00 • committed by Alexander Kalenik
commit 08c155cd3f
Notes: github-actions[bot] 2025-03-15 12:52:15 +00:00
6 changed files with 55 additions and 11 deletions
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16
Libraries/LibWeb/Layout/FormattingContext.cpp
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@ -1439,6 +1439,10 @@ CSSPixels FormattingContext::calculate_fit_content_height(Layout::Box const& box
CSSPixels FormattingContext::calculate_min_content_width(Layout::Box const& box) const
{
if (box.is_replaced_box() && box.computed_values().width().is_percentage()) {
return 0;
}
if (box.has_natural_width())
return *box.natural_width();
@ -1594,8 +1598,12 @@ CSSPixels FormattingContext::calculate_inner_width(Layout::Box const& box, Avail
return width.to_px(box, width_of_containing_block);
}
CSSPixels FormattingContext::calculate_inner_height(Layout::Box const& box, AvailableSpace const& available_space, CSS::Size const& height) const
CSSPixels FormattingContext::calculate_inner_height(Box const& box, AvailableSpace const& available_space, CSS::Size const& height) const
{
if (height.is_auto() && box.has_preferred_aspect_ratio()) {
return m_state.get(box).content_width() / *box.preferred_aspect_ratio();
}
VERIFY(!height.is_auto());
if (height.is_fit_content()) {
@ -1701,8 +1709,12 @@ bool FormattingContext::should_treat_width_as_auto(Box const& box, AvailableSpac
bool FormattingContext::should_treat_height_as_auto(Box const& box, AvailableSpace const& available_space) const
{
auto computed_height = box.computed_values().height();
if (computed_height.is_auto())
if (computed_height.is_auto()) {
auto const& box_state = m_state.get(box);
if (box_state.has_definite_width() && box.has_preferred_aspect_ratio())
return false;
return true;
}
if (computed_height.contains_percentage()) {
if (available_space.height.is_max_content())