ladybird/Libraries/LibWeb/CSS/StyleValues/ShadowStyleValue.h
Callum Law 52192a308b LibWeb: Update absolutize to take a ComputationContext struct
This struct will in the future hold information other than a length
resolution context (e.g. context for tree counting functions) and a
single struct is easier to work with than multiple parameters.
2025-10-07 10:50:01 +01:00

92 lines
3.5 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.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 <LibGfx/Color.h>
#include <LibWeb/CSS/Length.h>
#include <LibWeb/CSS/StyleValues/StyleValue.h>
namespace Web::CSS {
enum class ShadowPlacement {
Outer,
Inner,
};
class ShadowStyleValue final : public StyleValueWithDefaultOperators<ShadowStyleValue> {
public:
enum class ShadowType : u8 {
// none | <shadow>#
Normal,
// none | [ <color>? && <length>{2,3} ]#
Text
};
static ValueComparingNonnullRefPtr<ShadowStyleValue const> create(
ShadowType shadow_type,
ValueComparingRefPtr<StyleValue const> color,
ValueComparingNonnullRefPtr<StyleValue const> offset_x,
ValueComparingNonnullRefPtr<StyleValue const> offset_y,
ValueComparingRefPtr<StyleValue const> blur_radius,
ValueComparingRefPtr<StyleValue const> spread_distance,
ShadowPlacement placement)
{
return adopt_ref(*new (nothrow) ShadowStyleValue(shadow_type, move(color), move(offset_x), move(offset_y), move(blur_radius), move(spread_distance), placement));
}
virtual ~ShadowStyleValue() override = default;
ShadowType shadow_type() const { return m_properties.shadow_type; }
ValueComparingNonnullRefPtr<StyleValue const> color() const;
ValueComparingNonnullRefPtr<StyleValue const> offset_x() const { return m_properties.offset_x; }
ValueComparingNonnullRefPtr<StyleValue const> offset_y() const { return m_properties.offset_y; }
ValueComparingNonnullRefPtr<StyleValue const> blur_radius() const;
ValueComparingNonnullRefPtr<StyleValue const> spread_distance() const;
ShadowPlacement placement() const { return m_properties.placement; }
virtual String to_string(SerializationMode) const override;
bool properties_equal(ShadowStyleValue const& other) const { return m_properties == other.m_properties; }
private:
ShadowStyleValue(
ShadowType shadow_type,
ValueComparingRefPtr<StyleValue const> color,
ValueComparingNonnullRefPtr<StyleValue const> offset_x,
ValueComparingNonnullRefPtr<StyleValue const> offset_y,
ValueComparingRefPtr<StyleValue const> blur_radius,
ValueComparingRefPtr<StyleValue const> spread_distance,
ShadowPlacement placement)
: StyleValueWithDefaultOperators(Type::Shadow)
, m_properties {
.shadow_type = shadow_type,
.color = move(color),
.offset_x = move(offset_x),
.offset_y = move(offset_y),
.blur_radius = move(blur_radius),
.spread_distance = move(spread_distance),
.placement = placement
}
{
}
virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(ComputationContext const&) const override;
struct Properties {
ShadowType shadow_type;
ValueComparingRefPtr<StyleValue const> color;
ValueComparingNonnullRefPtr<StyleValue const> offset_x;
ValueComparingNonnullRefPtr<StyleValue const> offset_y;
ValueComparingRefPtr<StyleValue const> blur_radius;
ValueComparingRefPtr<StyleValue const> spread_distance;
ShadowPlacement placement;
bool operator==(Properties const&) const = default;
} m_properties;
};
}