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ed2909674f
Registered custom properties only accept "computationally independent" values for their initial value
74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.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 <LibWeb/CSS/PercentageOr.h>
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#include <LibWeb/CSS/Serialize.h>
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#include <LibWeb/CSS/StyleValues/ColorStyleValue.h>
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#include <LibWeb/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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class AbstractImageStyleValue : public StyleValue {
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public:
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using StyleValue::StyleValue;
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virtual Optional<CSSPixels> natural_width() const { return {}; }
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virtual Optional<CSSPixels> natural_height() const { return {}; }
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virtual Optional<CSSPixelFraction> natural_aspect_ratio() const
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{
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auto width = natural_width();
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auto height = natural_height();
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if (width.has_value() && height.has_value() && *height != 0)
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return *width / *height;
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return {};
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}
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virtual void load_any_resources(DOM::Document&) { }
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virtual void resolve_for_size(Layout::NodeWithStyle const&, CSSPixelSize) const { }
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virtual bool is_paintable() const = 0;
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virtual void paint(DisplayListRecordingContext& context, DevicePixelRect const& dest_rect, ImageRendering) const = 0;
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virtual Optional<Gfx::Color> color_if_single_pixel_bitmap() const { return {}; }
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virtual GC::Ref<CSSStyleValue> reify(JS::Realm&, FlyString const& associated_property) const override;
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};
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// And now, some gradient related things. Maybe these should live somewhere else.
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enum class GradientRepeating {
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Yes,
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No
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};
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struct ColorStopListElement {
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ValueComparingRefPtr<StyleValue const> transition_hint;
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struct ColorStop {
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ValueComparingRefPtr<StyleValue const> color;
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ValueComparingRefPtr<StyleValue const> position;
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ValueComparingRefPtr<StyleValue const> second_position {};
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bool operator==(ColorStop const&) const = default;
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} color_stop;
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bool operator==(ColorStopListElement const&) const = default;
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ColorStopListElement absolutized(ComputationContext const& context) const;
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bool is_computationally_independent() const
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{
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return (!transition_hint || transition_hint->is_computationally_independent())
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&& (!color_stop.color || color_stop.color->is_computationally_independent())
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&& (!color_stop.position || color_stop.position->is_computationally_independent())
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&& (!color_stop.second_position || color_stop.second_position->is_computationally_independent());
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}
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};
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void serialize_color_stop_list(StringBuilder&, Vector<ColorStopListElement> const&, SerializationMode);
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}
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