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f49cf75d44
Since we now have access to the `AbstractElement` through the `ComputationContext` we can just set the flag that this element relies on tree counting functions directly, no need to pass this struct around.
72 lines
2.3 KiB
C++
72 lines
2.3 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 <LibGfx/Font/FontStyleMapping.h>
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#include <LibWeb/CSS/Serialize.h>
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#include <LibWeb/CSS/StyleValues/AngleStyleValue.h>
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#include <LibWeb/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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FontStyleStyleValue::FontStyleStyleValue(FontStyle font_style, ValueComparingRefPtr<StyleValue 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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int FontStyleStyleValue::to_font_slope() const
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{
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// FIXME: Implement oblique <angle>
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switch (as_font_style().font_style()) {
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case FontStyle::Italic:
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static int italic_slope = Gfx::name_to_slope("Italic"sv);
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return italic_slope;
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case FontStyle::Oblique:
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static int oblique_slope = Gfx::name_to_slope("Oblique"sv);
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return oblique_slope;
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case FontStyle::Normal:
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default:
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static int normal_slope = Gfx::name_to_slope("Normal"sv);
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return normal_slope;
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}
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}
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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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if (angle_string.has_value() && angle_string != "14deg"sv)
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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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ValueComparingNonnullRefPtr<StyleValue const> FontStyleStyleValue::absolutized(ComputationContext const& computation_context) const
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{
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ValueComparingRefPtr<StyleValue const> absolutized_angle;
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if (m_angle_value)
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absolutized_angle = m_angle_value->absolutized(computation_context);
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if (absolutized_angle == m_angle_value)
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return *this;
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return FontStyleStyleValue::create(m_font_style, absolutized_angle);
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}
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}
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