12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697 |
- /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
- * Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
- * Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #pragma once
- #include <AK/Vector.h>
- #include <LibWeb/CSS/Enums.h>
- #include <LibWeb/CSS/StyleValues/AbstractImageStyleValue.h>
- namespace Web::CSS {
- class RadialGradientStyleValue final : public AbstractImageStyleValue {
- public:
- enum class EndingShape {
- Circle,
- Ellipse
- };
- enum class Extent {
- ClosestCorner,
- ClosestSide,
- FarthestCorner,
- FarthestSide
- };
- struct CircleSize {
- Length radius;
- bool operator==(CircleSize const&) const = default;
- };
- struct EllipseSize {
- LengthPercentage radius_a;
- LengthPercentage radius_b;
- bool operator==(EllipseSize const&) const = default;
- };
- using Size = Variant<Extent, CircleSize, EllipseSize>;
- static ValueComparingNonnullRefPtr<RadialGradientStyleValue> create(EndingShape ending_shape, Size size, PositionValue position, Vector<LinearColorStopListElement> color_stop_list, GradientRepeating repeating)
- {
- VERIFY(color_stop_list.size() >= 2);
- return adopt_ref(*new RadialGradientStyleValue(ending_shape, size, position, move(color_stop_list), repeating));
- }
- virtual ErrorOr<String> to_string() const override;
- void paint(PaintContext&, DevicePixelRect const& dest_rect, CSS::ImageRendering) const override;
- virtual bool equals(StyleValue const& other) const override;
- Vector<LinearColorStopListElement> const& color_stop_list() const
- {
- return m_properties.color_stop_list;
- }
- bool is_paintable() const override { return true; }
- void resolve_for_size(Layout::Node const&, CSSPixelSize) const override;
- Gfx::FloatSize resolve_size(Layout::Node const&, Gfx::FloatPoint, Gfx::FloatRect const&) const;
- bool is_repeating() const { return m_properties.repeating == GradientRepeating::Yes; }
- virtual ~RadialGradientStyleValue() override = default;
- private:
- RadialGradientStyleValue(EndingShape ending_shape, Size size, PositionValue position, Vector<LinearColorStopListElement> color_stop_list, GradientRepeating repeating)
- : AbstractImageStyleValue(Type::RadialGradient)
- , m_properties { .ending_shape = ending_shape, .size = size, .position = position, .color_stop_list = move(color_stop_list), .repeating = repeating }
- {
- }
- struct Properties {
- EndingShape ending_shape;
- Size size;
- PositionValue position;
- Vector<LinearColorStopListElement> color_stop_list;
- GradientRepeating repeating;
- bool operator==(Properties const&) const = default;
- } m_properties;
- struct ResolvedData {
- Painting::RadialGradientData data;
- Gfx::FloatSize gradient_size;
- Gfx::FloatPoint center;
- };
- mutable Optional<ResolvedData> m_resolved;
- };
- }
|