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LibWeb: Absolutize BackgroundSizeSVs in StyleComputer::absolutize_values

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This commit is contained in:
Callum Law 2025-08-04 21:12:26 +12:00 • committed by Sam Atkins
commit 315f811d69
Notes: github-actions[bot] 2025-08-06 16:45:47 +00:00
3 changed files with 13 additions and 1 deletions
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11
Libraries/LibWeb/CSS/StyleValues/BackgroundSizeStyleValue.cpp
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@ -26,4 +26,15 @@ String BackgroundSizeStyleValue::to_string(SerializationMode mode) const
return MUST(String::formatted("{} {}", m_properties.size_x.to_string(mode), m_properties.size_y.to_string(mode)));
}
ValueComparingNonnullRefPtr<CSSStyleValue const> BackgroundSizeStyleValue::absolutized(CSSPixelRect const& viewport_rect, Length::FontMetrics const& font_metrics, Length::FontMetrics const& root_font_metrics) const
{
auto absolutized_size_x = m_properties.size_x.absolutized(viewport_rect, font_metrics, root_font_metrics);
auto absolutized_size_y = m_properties.size_y.absolutized(viewport_rect, font_metrics, root_font_metrics);
if (absolutized_size_x == m_properties.size_x && absolutized_size_y == m_properties.size_y)
return *this;
return BackgroundSizeStyleValue::create(absolutized_size_x, absolutized_size_y);
}
}

1
Libraries/LibWeb/CSS/StyleValues/BackgroundSizeStyleValue.h
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@ -28,6 +28,7 @@ public:
LengthPercentage size_y() const { return m_properties.size_y; }
virtual String to_string(SerializationMode) const override;
virtual ValueComparingNonnullRefPtr<CSSStyleValue const> absolutized(CSSPixelRect const& viewport_rect, Length::FontMetrics const& font_metrics, Length::FontMetrics const& root_font_metrics) const override;
bool properties_equal(BackgroundSizeStyleValue const& other) const { return m_properties == other.m_properties; }

2
Tests/LibWeb/Text/expected/css/absolutized-background-size-value.txt
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@ -1 +1 @@
calc(1em - 1px) calc(1em - 1px)
15px 15px