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LibWeb: Implement css gradient-interpolation-method

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Gingeh 2025-02-19 21:02:12 +11:00 • committed by Sam Atkins
commit 31853c13d3
Notes: github-actions[bot] 2025-03-06 11:34:14 +00:00
35 changed files with 499 additions and 101 deletions
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37
Libraries/LibWeb/CSS/StyleValues/LinearGradientStyleValue.cpp
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@ -27,30 +27,45 @@ String LinearGradientStyleValue::to_string(SerializationMode mode) const
case SideOrCorner::Right:
return "right"sv;
case SideOrCorner::TopLeft:
return "top left"sv;
return "left top"sv;
case SideOrCorner::TopRight:
return "top right"sv;
return "right top"sv;
case SideOrCorner::BottomLeft:
return "bottom left"sv;
return "left bottom"sv;
case SideOrCorner::BottomRight:
return "bottom right"sv;
return "right bottom"sv;
default:
VERIFY_NOT_REACHED();
}
};
auto default_direction = m_properties.gradient_type == GradientType::WebKit ? SideOrCorner::Top : SideOrCorner::Bottom;
bool has_direction = m_properties.direction != default_direction;
bool has_color_space = m_properties.interpolation_method.has_value() && m_properties.interpolation_method.value().color_space != InterpolationMethod::default_color_space(m_properties.color_syntax);
if (m_properties.gradient_type == GradientType::WebKit)
builder.append("-webkit-"sv);
if (is_repeating())
builder.append("repeating-"sv);
builder.append("linear-gradient("sv);
m_properties.direction.visit(
[&](SideOrCorner side_or_corner) {
return builder.appendff("{}{}, "sv, m_properties.gradient_type == GradientType::Standard ? "to "sv : ""sv, side_or_corner_to_string(side_or_corner));
},
[&](Angle const& angle) {
return builder.appendff("{}, "sv, angle.to_string());
});
if (has_direction) {
m_properties.direction.visit(
[&](SideOrCorner side_or_corner) {
builder.appendff("{}{}"sv, m_properties.gradient_type == GradientType::Standard ? "to "sv : ""sv, side_or_corner_to_string(side_or_corner));
},
[&](Angle const& angle) {
builder.append(angle.to_string());
});
if (has_color_space)
builder.append(' ');
}
if (has_color_space)
builder.append(m_properties.interpolation_method.value().to_string());
if (has_direction || has_color_space)
builder.append(", "sv);
serialize_color_stop_list(builder, m_properties.color_stop_list, mode);
builder.append(")"sv);