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LibWeb/CSS: Support calculated angles in conic-gradient()

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Sam Atkins 2025-11-20 10:29:50 +00:00 • committed by Jelle Raaijmakers
parent e72080b15f
commit 9a1352fc17
Notes: github-actions[bot] 2025-11-21 10:37:41 +00:00
6 changed files with 155 additions and 41 deletions
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18
Libraries/LibWeb/CSS/StyleValues/ConicGradientStyleValue.cpp
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@ -8,6 +8,7 @@
*/
#include "ConicGradientStyleValue.h"
#include <LibWeb/CSS/StyleValues/AngleStyleValue.h>
#include <LibWeb/CSS/StyleValues/PositionStyleValue.h>
#include <LibWeb/Layout/Node.h>
#include <LibWeb/Painting/DisplayListRecorder.h>
@ -20,12 +21,12 @@ String ConicGradientStyleValue::to_string(SerializationMode mode) const
if (is_repeating())
builder.append("repeating-"sv);
builder.append("conic-gradient("sv);
bool has_from_angle = m_properties.from_angle.to_degrees() != 0;
bool has_from_angle = m_properties.from_angle;
bool has_at_position = !m_properties.position->is_center();
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 (has_from_angle)
builder.appendff("from {}", m_properties.from_angle.to_string());
builder.appendff("from {}", m_properties.from_angle->to_string(mode));
if (has_at_position) {
if (has_from_angle)
builder.append(' ');
@ -72,9 +73,18 @@ bool ConicGradientStyleValue::equals(StyleValue const& other) const
return m_properties == other_gradient.m_properties;
}
float ConicGradientStyleValue::angle_degrees() const
float ConicGradientStyleValue::angle_degrees(CalculationResolutionContext const& context) const
{
return m_properties.from_angle.to_degrees();
if (!m_properties.from_angle)
return 0;
if (m_properties.from_angle->is_angle())
return m_properties.from_angle->as_angle().angle().to_degrees();
if (m_properties.from_angle->is_calculated()) {
if (auto maybe_angle = m_properties.from_angle->as_calculated().resolve_angle(context); maybe_angle.has_value())
return maybe_angle->to_degrees();
return 0;
}
VERIFY_NOT_REACHED();
}
}