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LibWeb: Make absolutized_length() helper a Length method

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There were a mix of users between those who want to know if the Length
changed, and those that just want an absolute Length. So, we now have
two methods: Length::absolutize() returns an empty Optional if nothing
changed, and Length::absolutized() always returns a value.
This commit is contained in:
Sam Atkins 2023-03-30 15:01:23 +01:00 • committed by Andreas Kling
parent 7d29262b8b
commit 16e3a86393
Notes: sideshowbarker 2024-07-17 03:16:02 +09:00
7 changed files with 27 additions and 20 deletions
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16
Userland/Libraries/LibWeb/CSS/Length.cpp
View file

@ -193,4 +193,20 @@ Optional<Length::Type> Length::unit_from_name(StringView name)
return {};
}
Optional<Length> Length::absolutize(CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height) const
{
if (is_px())
return {};
if (is_absolute() || is_relative()) {
auto px = to_px(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height);
return CSS::Length::make_px(px);
}
return {};
}
Length Length::absolutized(CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height) const
{
return absolutize(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height).value_or(*this);
}
}

4
Userland/Libraries/LibWeb/CSS/Length.h
View file

@ -125,6 +125,10 @@ public:
CSSPixels relative_length_to_px(CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height) const;
// Returns empty optional if it's already absolute.
Optional<Length> absolutize(CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height) const;
Length absolutized(CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height) const;
private:
char const* unit_name() const;

11
Userland/Libraries/LibWeb/CSS/StyleValue.cpp
View file

@ -1021,17 +1021,6 @@ CalculatedStyleValue::CalculationResult CalculatedStyleValue::CalcNumberSumPartW
return value->resolve(layout_node, percentage_basis);
}
Optional<CSS::Length> absolutized_length(CSS::Length const& length, CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height)
{
if (length.is_px())
return {};
if (length.is_absolute() || length.is_relative()) {
auto px = length.to_px(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height);
return CSS::Length::make_px(px);
}
return {};
}
ValueComparingNonnullRefPtr<StyleValue const> StyleValue::absolutized(CSSPixelRect const&, Gfx::FontPixelMetrics const&, CSSPixels, CSSPixels, CSSPixels, CSSPixels) const
{
return *this;

2
Userland/Libraries/LibWeb/CSS/StyleValue.h
View file

@ -90,8 +90,6 @@ private:
using StyleValueVector = Vector<ValueComparingNonnullRefPtr<StyleValue const>>;
Optional<CSS::Length> absolutized_length(CSS::Length const&, CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const&, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height);
class StyleValue : public RefCounted<StyleValue> {
public:
virtual ~StyleValue() = default;

4
Userland/Libraries/LibWeb/CSS/StyleValues/BorderRadiusStyleValue.cpp
View file

@ -25,9 +25,9 @@ ValueComparingNonnullRefPtr<StyleValue const> BorderRadiusStyleValue::absolutize
auto absolutized_horizontal_radius = m_properties.horizontal_radius;
auto absolutized_vertical_radius = m_properties.vertical_radius;
if (!m_properties.horizontal_radius.is_percentage())
absolutized_horizontal_radius = absolutized_length(m_properties.horizontal_radius.length(), viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height).value_or(m_properties.horizontal_radius.length());
absolutized_horizontal_radius = m_properties.horizontal_radius.length().absolutized(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height);
if (!m_properties.vertical_radius.is_percentage())
absolutized_vertical_radius = absolutized_length(m_properties.vertical_radius.length(), viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height).value_or(m_properties.vertical_radius.length());
absolutized_vertical_radius = m_properties.vertical_radius.length().absolutized(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height);
return BorderRadiusStyleValue::create(absolutized_horizontal_radius, absolutized_vertical_radius);
}

2
Userland/Libraries/LibWeb/CSS/StyleValues/LengthStyleValue.cpp
View file

@ -32,7 +32,7 @@ ValueComparingNonnullRefPtr<LengthStyleValue> LengthStyleValue::create(Length co
ValueComparingNonnullRefPtr<StyleValue const> LengthStyleValue::absolutized(CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height) const
{
if (auto length = absolutized_length(m_length, viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height); length.has_value())
if (auto length = m_length.absolutize(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height); length.has_value())
return LengthStyleValue::create(length.release_value());
return *this;
}

8
Userland/Libraries/LibWeb/CSS/StyleValues/ShadowStyleValue.cpp
View file

@ -22,10 +22,10 @@ ErrorOr<String> ShadowStyleValue::to_string() const
ValueComparingNonnullRefPtr<StyleValue const> ShadowStyleValue::absolutized(CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height) const
{
auto absolutized_offset_x = absolutized_length(m_properties.offset_x, viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height).value_or(m_properties.offset_x);
auto absolutized_offset_y = absolutized_length(m_properties.offset_y, viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height).value_or(m_properties.offset_y);
auto absolutized_blur_radius = absolutized_length(m_properties.blur_radius, viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height).value_or(m_properties.blur_radius);
auto absolutized_spread_distance = absolutized_length(m_properties.spread_distance, viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height).value_or(m_properties.spread_distance);
auto absolutized_offset_x = m_properties.offset_x.absolutized(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height);
auto absolutized_offset_y = m_properties.offset_y.absolutized(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height);
auto absolutized_blur_radius = m_properties.blur_radius.absolutized(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height);
auto absolutized_spread_distance = m_properties.spread_distance.absolutized(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height);
return ShadowStyleValue::create(m_properties.color, absolutized_offset_x, absolutized_offset_y, absolutized_blur_radius, absolutized_spread_distance, m_properties.placement);
}