92 lines
1.9 KiB
C++
92 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include "Frequency.h"
|
|
#include <LibWeb/CSS/StyleValue.h>
|
|
|
|
namespace Web::CSS {
|
|
|
|
Frequency::Frequency(int value, Type type)
|
|
: m_type(type)
|
|
, m_value(value)
|
|
{
|
|
}
|
|
|
|
Frequency::Frequency(float value, Type type)
|
|
: m_type(type)
|
|
, m_value(value)
|
|
{
|
|
}
|
|
|
|
Frequency Frequency::make_calculated(NonnullRefPtr<CalculatedStyleValue> calculated_style_value)
|
|
{
|
|
Frequency frequency { 0, Type::Calculated };
|
|
frequency.m_calculated_style = move(calculated_style_value);
|
|
return frequency;
|
|
}
|
|
|
|
Frequency Frequency::make_hertz(float value)
|
|
{
|
|
return { value, Type::Hz };
|
|
}
|
|
|
|
Frequency Frequency::percentage_of(Percentage const& percentage) const
|
|
{
|
|
VERIFY(!is_calculated());
|
|
|
|
return Frequency { percentage.as_fraction() * m_value, m_type };
|
|
}
|
|
|
|
ErrorOr<String> Frequency::to_string() const
|
|
{
|
|
if (is_calculated())
|
|
return m_calculated_style->to_string();
|
|
return String::formatted("{}{}", m_value, unit_name());
|
|
}
|
|
|
|
float Frequency::to_hertz() const
|
|
{
|
|
switch (m_type) {
|
|
case Type::Calculated:
|
|
return m_calculated_style->resolve_frequency()->to_hertz();
|
|
case Type::Hz:
|
|
return m_value;
|
|
case Type::kHz:
|
|
return m_value * 1000;
|
|
}
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
StringView Frequency::unit_name() const
|
|
{
|
|
switch (m_type) {
|
|
case Type::Calculated:
|
|
return "calculated"sv;
|
|
case Type::Hz:
|
|
return "hz"sv;
|
|
case Type::kHz:
|
|
return "khz"sv;
|
|
}
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
Optional<Frequency::Type> Frequency::unit_from_name(StringView name)
|
|
{
|
|
if (name.equals_ignoring_ascii_case("hz"sv)) {
|
|
return Type::Hz;
|
|
} else if (name.equals_ignoring_ascii_case("khz"sv)) {
|
|
return Type::kHz;
|
|
}
|
|
return {};
|
|
}
|
|
|
|
NonnullRefPtr<CalculatedStyleValue> Frequency::calculated_style_value() const
|
|
{
|
|
VERIFY(!m_calculated_style.is_null());
|
|
return *m_calculated_style;
|
|
}
|
|
|
|
}
|