6e19ab2bbc
We have a new, improved string type coming up in AK (OOM aware, no null state), and while it's going to use UTF-8, the name UTF8String is a mouthful - so let's free up the String name by renaming the existing class. Making the old one have an annoying name will hopefully also help with quick adoption :^)
105 lines
2.3 KiB
C++
105 lines
2.3 KiB
C++
/*
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* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Angle.h"
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#include <AK/Math.h>
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#include <LibWeb/CSS/StyleValue.h>
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namespace Web::CSS {
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Angle::Angle(int value, Type type)
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: m_type(type)
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, m_value(value)
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{
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}
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Angle::Angle(float value, Type type)
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: m_type(type)
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, m_value(value)
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{
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}
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Angle Angle::make_calculated(NonnullRefPtr<CalculatedStyleValue> calculated_style_value)
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{
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Angle angle { 0, Type::Calculated };
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angle.m_calculated_style = move(calculated_style_value);
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return angle;
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}
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Angle Angle::make_degrees(float value)
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{
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return { value, Type::Deg };
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}
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Angle Angle::percentage_of(Percentage const& percentage) const
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{
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VERIFY(!is_calculated());
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return Angle { percentage.as_fraction() * m_value, m_type };
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}
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DeprecatedString Angle::to_string() const
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{
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if (is_calculated())
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return m_calculated_style->to_string();
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return DeprecatedString::formatted("{}{}", m_value, unit_name());
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}
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float Angle::to_degrees() const
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{
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switch (m_type) {
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case Type::Calculated:
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return m_calculated_style->resolve_angle()->to_degrees();
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case Type::Deg:
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return m_value;
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case Type::Grad:
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return m_value * (360.0f / 400.0f);
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case Type::Rad:
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return m_value * (180.0f / AK::Pi<float>);
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case Type::Turn:
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return m_value * 360.0f;
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}
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VERIFY_NOT_REACHED();
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}
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StringView Angle::unit_name() const
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{
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switch (m_type) {
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case Type::Calculated:
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return "calculated"sv;
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case Type::Deg:
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return "deg"sv;
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case Type::Grad:
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return "grad"sv;
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case Type::Rad:
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return "rad"sv;
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case Type::Turn:
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return "turn"sv;
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}
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VERIFY_NOT_REACHED();
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}
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Optional<Angle::Type> Angle::unit_from_name(StringView name)
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{
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if (name.equals_ignoring_case("deg"sv)) {
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return Type::Deg;
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} else if (name.equals_ignoring_case("grad"sv)) {
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return Type::Grad;
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} else if (name.equals_ignoring_case("rad"sv)) {
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return Type::Rad;
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} else if (name.equals_ignoring_case("turn"sv)) {
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return Type::Turn;
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}
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return {};
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}
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NonnullRefPtr<CalculatedStyleValue> Angle::calculated_style_value() const
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{
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VERIFY(!m_calculated_style.is_null());
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return *m_calculated_style;
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}
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}
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