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39 lines
1.5 KiB
C++
39 lines
1.5 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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#include "PositionStyleValue.h"
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namespace Web::CSS {
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bool PositionStyleValue::is_center() const
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{
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return (edge_x()->edge() == PositionEdge::Left
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&& edge_x()->offset().is_percentage() && edge_x()->offset().percentage() == Percentage { 50 })
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&& (edge_y()->edge() == PositionEdge::Top
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&& edge_y()->offset().is_percentage() && edge_y()->offset().percentage() == Percentage { 50 });
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}
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CSSPixelPoint PositionStyleValue::resolved(Layout::Node const& node, CSSPixelRect const& rect) const
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{
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// Note: A preset + a none default x/y_relative_to is impossible in the syntax (and makes little sense)
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CSSPixels x = m_properties.edge_x->offset().to_px(node, rect.width());
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CSSPixels y = m_properties.edge_y->offset().to_px(node, rect.height());
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if (m_properties.edge_x->edge() == PositionEdge::Right)
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x = rect.width() - x;
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if (m_properties.edge_y->edge() == PositionEdge::Bottom)
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y = rect.height() - y;
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return CSSPixelPoint { rect.x() + x, rect.y() + y };
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}
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String PositionStyleValue::to_string() const
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{
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return MUST(String::formatted("{} {}", m_properties.edge_x->to_string(), m_properties.edge_y->to_string()));
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}
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}
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