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42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
/*
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* Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "FontStyleStyleValue.h"
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#include <LibWeb/CSS/CSSStyleValue.h>
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#include <LibWeb/CSS/Serialize.h>
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#include <LibWeb/CSS/StyleValues/AngleStyleValue.h>
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namespace Web::CSS {
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FontStyleStyleValue::FontStyleStyleValue(FontStyle font_style, ValueComparingRefPtr<CSSStyleValue const> angle_value)
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: StyleValueWithDefaultOperators(Type::FontStyle)
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, m_font_style(font_style)
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, m_angle_value(angle_value)
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{
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}
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FontStyleStyleValue::~FontStyleStyleValue() = default;
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String FontStyleStyleValue::to_string(SerializationMode mode) const
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{
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Optional<String> angle_string;
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if (m_angle_value) {
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angle_string = m_angle_value->to_string(mode);
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if (m_font_style == FontStyle::Oblique && angle_string == "0deg"sv)
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return "normal"_string;
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}
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StringBuilder builder;
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builder.append(CSS::to_string(m_font_style));
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// https://drafts.csswg.org/css-fonts/#valdef-font-style-oblique-angle--90deg-90deg
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// The lack of an <angle> represents 14deg. (Note that a font might internally provide its own mapping for "oblique", but the mapping within the font is disregarded.)
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static auto default_angle = Angle::make_degrees(14);
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if (angle_string.has_value() && !(m_angle_value->is_angle() && m_angle_value->as_angle().angle() == default_angle))
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builder.appendff(" {}", angle_string);
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return MUST(builder.to_string());
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}
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}
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