ladybird/Libraries/LibWeb/CSS/StyleValues/BackgroundSizeStyleValue.h
Sam Atkins 04622f3940 LibWeb/CSS: Use LengthPercentageOrAuto for background sizes
...instead of `auto` Lengths.

This also fixes interpolating between two `auto` `<bg-size>`s, which
fixes a lot of animation tests for both `background-size` and `mask`.
2025-09-04 13:31:24 +01:00

45 lines
1.7 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 <LibWeb/CSS/Length.h>
#include <LibWeb/CSS/PercentageOr.h>
#include <LibWeb/CSS/StyleValues/StyleValue.h>
namespace Web::CSS {
// NOTE: This is not used for identifier sizes, like `cover` and `contain`.
class BackgroundSizeStyleValue final : public StyleValueWithDefaultOperators<BackgroundSizeStyleValue> {
public:
static ValueComparingNonnullRefPtr<BackgroundSizeStyleValue const> create(LengthPercentageOrAuto size_x, LengthPercentageOrAuto size_y)
{
return adopt_ref(*new (nothrow) BackgroundSizeStyleValue(size_x, size_y));
}
virtual ~BackgroundSizeStyleValue() override;
LengthPercentageOrAuto size_x() const { return m_properties.size_x; }
LengthPercentageOrAuto size_y() const { return m_properties.size_y; }
virtual String to_string(SerializationMode) const override;
virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(CSSPixelRect const& viewport_rect, Length::FontMetrics const& font_metrics, Length::FontMetrics const& root_font_metrics) const override;
bool properties_equal(BackgroundSizeStyleValue const& other) const { return m_properties == other.m_properties; }
private:
BackgroundSizeStyleValue(LengthPercentageOrAuto size_x, LengthPercentageOrAuto size_y);
struct Properties {
LengthPercentageOrAuto size_x;
LengthPercentageOrAuto size_y;
bool operator==(Properties const&) const = default;
} m_properties;
};
}