ladybird/Libraries/LibWeb/CSS/StyleValues/ConicGradientStyleValue.h
Andrew Kaster 6d11414957 LibWeb: Make storage of CSS::StyleValues const-correct
Now we consistently use `RefPtr<StyleValue const>` for all StyleValues.
2025-04-16 10:41:44 -06:00

87 lines
3.7 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2021-2025, Sam Atkins <sam@ladybird.org>
* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/Angle.h>
#include <LibWeb/CSS/StyleValues/AbstractImageStyleValue.h>
#include <LibWeb/Painting/GradientPainting.h>
namespace Web::CSS {
class ConicGradientStyleValue final : public AbstractImageStyleValue {
public:
static ValueComparingNonnullRefPtr<ConicGradientStyleValue const> create(Angle from_angle, ValueComparingNonnullRefPtr<PositionStyleValue const> position, Vector<AngularColorStopListElement> color_stop_list, GradientRepeating repeating, Optional<InterpolationMethod> interpolation_method)
{
VERIFY(!color_stop_list.is_empty());
bool any_non_legacy = color_stop_list.find_first_index_if([](auto const& stop) { return !stop.color_stop.color->is_keyword() && stop.color_stop.color->as_color().color_syntax() == ColorSyntax::Modern; }).has_value();
return adopt_ref(*new (nothrow) ConicGradientStyleValue(from_angle, move(position), move(color_stop_list), repeating, interpolation_method, any_non_legacy ? ColorSyntax::Modern : ColorSyntax::Legacy));
}
virtual String to_string(SerializationMode) const override;
void paint(PaintContext&, DevicePixelRect const& dest_rect, CSS::ImageRendering) const override;
virtual bool equals(CSSStyleValue const& other) const override;
Vector<AngularColorStopListElement> const& color_stop_list() const
{
return m_properties.color_stop_list;
}
InterpolationMethod interpolation_method() const
{
if (m_properties.interpolation_method.has_value())
return m_properties.interpolation_method.value();
return InterpolationMethod { .color_space = InterpolationMethod::default_color_space(m_properties.color_syntax) };
}
float angle_degrees() const;
bool is_paintable() const override { return true; }
void resolve_for_size(Layout::NodeWithStyle const&, CSSPixelSize) const override;
virtual ~ConicGradientStyleValue() override = default;
bool is_repeating() const { return m_properties.repeating == GradientRepeating::Yes; }
private:
ConicGradientStyleValue(Angle from_angle, ValueComparingNonnullRefPtr<PositionStyleValue const> position, Vector<AngularColorStopListElement> color_stop_list, GradientRepeating repeating, Optional<InterpolationMethod> interpolation_method, ColorSyntax color_syntax)
: AbstractImageStyleValue(Type::ConicGradient)
, m_properties { .from_angle = from_angle, .position = move(position), .color_stop_list = move(color_stop_list), .repeating = repeating, .interpolation_method = interpolation_method, .color_syntax = color_syntax }
{
}
struct Properties {
Angle from_angle;
ValueComparingNonnullRefPtr<PositionStyleValue const> position;
Vector<AngularColorStopListElement> color_stop_list;
GradientRepeating repeating;
Optional<InterpolationMethod> interpolation_method;
ColorSyntax color_syntax;
bool operator==(Properties const&) const = default;
} m_properties;
struct ResolvedDataCacheKey {
Length::ResolutionContext length_resolution_context;
CSSPixelSize size;
bool operator==(ResolvedDataCacheKey const&) const = default;
};
mutable Optional<ResolvedDataCacheKey> m_resolved_data_cache_key;
struct ResolvedData {
Painting::ConicGradientData data;
CSSPixelPoint position;
};
mutable Optional<ResolvedData> m_resolved;
};
}