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LibWeb: Support calc(...) in box-shadow's values of type Length

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The CSS box-shadow property takes 2-4 properties that are `<length>`s,
those being:
  - offset-x
  - offset-y
  - blur-radius
  - spread-radius

Previously these were resolved directly to concrete Lengths at parse
time, but now they will be parsed as LengthStyleValues and/or
CalculatedStyleValues and be stored that way until styles are later
resolved.
This commit is contained in:
FalseHonesty 2023-05-31 16:07:06 -04:00 • committed by Sam Atkins
parent 8873bf5016
commit 110eeb8591
9 changed files with 143 additions and 58 deletions
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10
Userland/Libraries/LibWeb/CSS/StyleValues/ShadowStyleValue.cpp
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@ -14,7 +14,7 @@ namespace Web::CSS {
ErrorOr<String> ShadowStyleValue::to_string() const
{
StringBuilder builder;
TRY(builder.try_appendff("{} {} {} {} {}", m_properties.color.to_deprecated_string(), TRY(m_properties.offset_x.to_string()), TRY(m_properties.offset_y.to_string()), TRY(m_properties.blur_radius.to_string()), TRY(m_properties.spread_distance.to_string())));
TRY(builder.try_appendff("{} {} {} {} {}", m_properties.color.to_deprecated_string(), TRY(m_properties.offset_x->to_string()), TRY(m_properties.offset_y->to_string()), TRY(m_properties.blur_radius->to_string()), TRY(m_properties.spread_distance->to_string())));
if (m_properties.placement == ShadowPlacement::Inner)
TRY(builder.try_append(" inset"sv));
return builder.to_string();
@ -22,10 +22,10 @@ ErrorOr<String> ShadowStyleValue::to_string() const
ErrorOr<ValueComparingNonnullRefPtr<StyleValue const>> ShadowStyleValue::absolutized(CSSPixelRect const& viewport_rect, Length::FontMetrics const& font_metrics, Length::FontMetrics const& root_font_metrics) const
{
auto absolutized_offset_x = m_properties.offset_x.absolutized(viewport_rect, font_metrics, root_font_metrics);
auto absolutized_offset_y = m_properties.offset_y.absolutized(viewport_rect, font_metrics, root_font_metrics);
auto absolutized_blur_radius = m_properties.blur_radius.absolutized(viewport_rect, font_metrics, root_font_metrics);
auto absolutized_spread_distance = m_properties.spread_distance.absolutized(viewport_rect, font_metrics, root_font_metrics);
auto absolutized_offset_x = TRY(m_properties.offset_x->absolutized(viewport_rect, font_metrics, root_font_metrics));
auto absolutized_offset_y = TRY(m_properties.offset_y->absolutized(viewport_rect, font_metrics, root_font_metrics));
auto absolutized_blur_radius = TRY(m_properties.blur_radius->absolutized(viewport_rect, font_metrics, root_font_metrics));
auto absolutized_spread_distance = TRY(m_properties.spread_distance->absolutized(viewport_rect, font_metrics, root_font_metrics));
return ShadowStyleValue::create(m_properties.color, absolutized_offset_x, absolutized_offset_y, absolutized_blur_radius, absolutized_spread_distance, m_properties.placement);
}