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16e3a86393
There were a mix of users between those who want to know if the Length changed, and those that just want an absolute Length. So, we now have two methods: Length::absolutize() returns an empty Optional if nothing changed, and Length::absolutized() always returns a value.
40 lines
1.5 KiB
C++
40 lines
1.5 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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#include "LengthStyleValue.h"
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namespace Web::CSS {
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ValueComparingNonnullRefPtr<LengthStyleValue> LengthStyleValue::create(Length const& length)
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{
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if (length.is_auto()) {
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static auto value = adopt_ref(*new LengthStyleValue(CSS::Length::make_auto()));
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return value;
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}
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if (length.is_px()) {
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if (length.raw_value() == 0) {
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static auto value = adopt_ref(*new LengthStyleValue(CSS::Length::make_px(0)));
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return value;
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}
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if (length.raw_value() == 1) {
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static auto value = adopt_ref(*new LengthStyleValue(CSS::Length::make_px(1)));
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return value;
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}
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}
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return adopt_ref(*new LengthStyleValue(length));
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}
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ValueComparingNonnullRefPtr<StyleValue const> LengthStyleValue::absolutized(CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height) const
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{
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if (auto length = m_length.absolutize(viewport_rect, font_metrics, font_size, root_font_size, line_height, root_line_height); length.has_value())
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return LengthStyleValue::create(length.release_value());
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return *this;
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}
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}
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