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631a988a57
We now keep the color value as a StyleValue up until we go to paint the gradient, which makes `currentColor` work, along with any other color values that can't be immediately converted into a `Gfx::Color` while parsing.
82 lines
2.6 KiB
C++
82 lines
2.6 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 <LibWeb/CSS/Enums.h>
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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/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 void load_any_resources(DOM::Document&) {};
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virtual void resolve_for_size(Layout::NodeWithStyleAndBoxModelMetrics const&, CSSPixelSize) const {};
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virtual bool is_paintable() const = 0;
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virtual void paint(PaintContext& context, DevicePixelRect const& dest_rect, ImageRendering) const = 0;
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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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template<typename TPosition>
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struct ColorStopListElement {
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using PositionType = TPosition;
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struct ColorHint {
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TPosition value;
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inline bool operator==(ColorHint const&) const = default;
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};
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Optional<ColorHint> transition_hint;
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struct ColorStop {
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RefPtr<StyleValue> color;
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Optional<TPosition> position;
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Optional<TPosition> second_position = {};
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inline bool operator==(ColorStop const&) const = default;
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} color_stop;
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inline bool operator==(ColorStopListElement const&) const = default;
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};
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using LinearColorStopListElement = ColorStopListElement<LengthPercentage>;
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using AngularColorStopListElement = ColorStopListElement<AnglePercentage>;
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static ErrorOr<void> serialize_color_stop_list(StringBuilder& builder, auto const& color_stop_list)
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{
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bool first = true;
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for (auto const& element : color_stop_list) {
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if (!first)
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TRY(builder.try_append(", "sv));
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if (element.transition_hint.has_value())
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TRY(builder.try_appendff("{}, "sv, TRY(element.transition_hint->value.to_string())));
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TRY(builder.try_append(TRY(element.color_stop.color->to_string())));
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for (auto position : Array { &element.color_stop.position, &element.color_stop.second_position }) {
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if (position->has_value())
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TRY(builder.try_appendff(" {}"sv, TRY((*position)->to_string())));
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}
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first = false;
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}
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return {};
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}
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}
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