
Turns out we create a lot of these, mostly from places that don't return ErrorOr. The yak stack grows.
99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
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* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Vector.h>
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#include <LibWeb/CSS/Enums.h>
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#include <LibWeb/CSS/Position.h>
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#include <LibWeb/CSS/StyleValues/AbstractImageStyleValue.h>
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#include <LibWeb/Painting/GradientPainting.h>
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namespace Web::CSS {
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class RadialGradientStyleValue final : public AbstractImageStyleValue {
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public:
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enum class EndingShape {
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Circle,
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Ellipse
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};
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enum class Extent {
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ClosestCorner,
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ClosestSide,
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FarthestCorner,
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FarthestSide
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};
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struct CircleSize {
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Length radius;
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bool operator==(CircleSize const&) const = default;
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};
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struct EllipseSize {
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LengthPercentage radius_a;
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LengthPercentage radius_b;
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bool operator==(EllipseSize const&) const = default;
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};
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using Size = Variant<Extent, CircleSize, EllipseSize>;
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static ErrorOr<ValueComparingNonnullRefPtr<RadialGradientStyleValue>> create(EndingShape ending_shape, Size size, PositionValue position, Vector<LinearColorStopListElement> color_stop_list, GradientRepeating repeating)
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{
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VERIFY(color_stop_list.size() >= 2);
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return adopt_nonnull_ref_or_enomem(new (nothrow) RadialGradientStyleValue(ending_shape, size, position, move(color_stop_list), repeating));
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}
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virtual ErrorOr<String> to_string() const override;
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void paint(PaintContext&, DevicePixelRect const& dest_rect, CSS::ImageRendering) const override;
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virtual bool equals(StyleValue const& other) const override;
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Vector<LinearColorStopListElement> const& color_stop_list() const
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{
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return m_properties.color_stop_list;
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}
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bool is_paintable() const override { return true; }
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void resolve_for_size(Layout::Node const&, CSSPixelSize) const override;
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Gfx::FloatSize resolve_size(Layout::Node const&, Gfx::FloatPoint, Gfx::FloatRect const&) const;
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bool is_repeating() const { return m_properties.repeating == GradientRepeating::Yes; }
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virtual ~RadialGradientStyleValue() override = default;
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private:
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RadialGradientStyleValue(EndingShape ending_shape, Size size, PositionValue position, Vector<LinearColorStopListElement> color_stop_list, GradientRepeating repeating)
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: AbstractImageStyleValue(Type::RadialGradient)
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, m_properties { .ending_shape = ending_shape, .size = size, .position = position, .color_stop_list = move(color_stop_list), .repeating = repeating }
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{
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}
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struct Properties {
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EndingShape ending_shape;
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Size size;
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PositionValue position;
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Vector<LinearColorStopListElement> color_stop_list;
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GradientRepeating repeating;
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bool operator==(Properties const&) const = default;
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} m_properties;
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struct ResolvedData {
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Painting::RadialGradientData data;
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Gfx::FloatSize gradient_size;
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Gfx::FloatPoint center;
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};
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mutable Optional<ResolvedData> m_resolved;
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};
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}
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