ladybird/Libraries/LibWeb/CSS/StyleValues/PositionStyleValue.cpp
Callum Law 6964593377 LibWeb: Add absolutized method to EdgeStyleValue
Fixes #7192.

We absolutize `EdgeStyleValue` to always be relative to the top/left
edge which allows for some simplification.
2026-01-02 11:43:10 +01:00

39 lines
1.4 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
*/
#include "PositionStyleValue.h"
namespace Web::CSS {
bool PositionStyleValue::is_center() const
{
return edge_x()->is_center() && edge_y()->is_center();
}
CSSPixelPoint PositionStyleValue::resolved(Layout::Node const& node, CSSPixelRect const& rect) const
{
// Note: A preset + a none default x/y_relative_to is impossible in the syntax (and makes little sense)
CSSPixels x = LengthPercentage::from_style_value(m_properties.edge_x->offset()).to_px(node, rect.width());
CSSPixels y = LengthPercentage::from_style_value(m_properties.edge_y->offset()).to_px(node, rect.height());
return CSSPixelPoint { rect.x() + x, rect.y() + y };
}
ValueComparingNonnullRefPtr<StyleValue const> PositionStyleValue::absolutized(ComputationContext const& computation_context) const
{
return PositionStyleValue::create(
edge_x()->absolutized(computation_context)->as_edge(),
edge_y()->absolutized(computation_context)->as_edge());
}
String PositionStyleValue::to_string(SerializationMode mode) const
{
return MUST(String::formatted("{} {}", m_properties.edge_x->to_string(mode), m_properties.edge_y->to_string(mode)));
}
}