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LibWeb: Implement and use BorderRadiusStyleValue

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This parses the elliptical border-radius values, though currently we
only support circular ones. So, to_length() is overloaded to return the
horizontal-radius. This means the code in Layout/Node.cpp does not need
to change for now.
This commit is contained in:
Sam Atkins 2021-08-06 16:55:08 +01:00 • committed by Andreas Kling
parent e3cbd366c7
commit 168865dbdc
5 changed files with 159 additions and 45 deletions
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36
Userland/Libraries/LibWeb/CSS/StyleValue.h
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@ -231,6 +231,7 @@ public:
Calculated,
Background,
Border,
BorderRadius,
BoxShadow,
Flex,
FlexFlow,
@ -255,6 +256,7 @@ public:
bool is_calculated() const { return type() == Type::Calculated; }
bool is_background() const { return type() == Type::Background; }
bool is_border() const { return type() == Type::Border; }
bool is_border_radius() const { return type() == Type::BorderRadius; }
bool is_box_shadow() const { return type() == Type::BoxShadow; }
bool is_flex() const { return type() == Type::Flex; }
bool is_flex_flow() const { return type() == Type::FlexFlow; }
@ -720,6 +722,40 @@ private:
NonnullRefPtr<StyleValue> m_border_color;
};
class BorderRadiusStyleValue final : public StyleValue {
public:
static NonnullRefPtr<BorderRadiusStyleValue> create(Length const& horizontal_radius, Length const& vertical_radius)
{
return adopt_ref(*new BorderRadiusStyleValue(horizontal_radius, vertical_radius));
}
virtual ~BorderRadiusStyleValue() override { }
Length const& horizontal_radius() const { return m_horizontal_radius; }
Length const& vertical_radius() const { return m_vertical_radius; }
bool is_elliptical() const { return m_is_elliptical; }
// FIXME: Remove this once we support elliptical border-radius in Layout/Node.
virtual Length to_length() const override { return horizontal_radius(); }
virtual String to_string() const override
{
return String::formatted("{} / {}", m_horizontal_radius.to_string(), m_vertical_radius.to_string());
}
private:
BorderRadiusStyleValue(Length const& horizontal_radius, Length const& vertical_radius)
: StyleValue(Type::BorderRadius)
, m_horizontal_radius(horizontal_radius)
, m_vertical_radius(vertical_radius)
{
m_is_elliptical = (m_horizontal_radius != m_vertical_radius);
}
bool m_is_elliptical;
Length m_horizontal_radius;
Length m_vertical_radius;
};
class FlexStyleValue final : public StyleValue {
public:
static NonnullRefPtr<FlexStyleValue> create(