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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "core/css/cssom/CSSAngleValue.h"
#include "bindings/core/v8/ExceptionState.h"
#include "core/css/CSSPrimitiveValue.h"
#include "wtf/MathExtras.h"
namespace blink {
CSSAngleValue* CSSAngleValue::create(double value,
CSSPrimitiveValue::UnitType unit) {
DCHECK(CSSPrimitiveValue::isAngle(unit));
return new CSSAngleValue(value, unit);
}
CSSAngleValue* CSSAngleValue::create(double value, const String& unit) {
CSSPrimitiveValue::UnitType primitiveUnit =
CSSPrimitiveValue::stringToUnitType(unit);
return create(value, primitiveUnit);
}
CSSAngleValue* CSSAngleValue::fromCSSValue(const CSSPrimitiveValue& value) {
DCHECK(value.isAngle());
if (value.isCalculated())
return nullptr;
return new CSSAngleValue(value.getDoubleValue(),
value.typeWithCalcResolved());
}
double CSSAngleValue::degrees() const {
switch (m_unit) {
case CSSPrimitiveValue::UnitType::Degrees:
return m_value;
case CSSPrimitiveValue::UnitType::Radians:
return rad2deg(m_value);
case CSSPrimitiveValue::UnitType::Gradians:
return grad2deg(m_value);
case CSSPrimitiveValue::UnitType::Turns:
return turn2deg(m_value);
default:
NOTREACHED();
return 0;
}
}
double CSSAngleValue::radians() const {
return deg2rad(degrees());
}
double CSSAngleValue::gradians() const {
return deg2grad(degrees());
}
double CSSAngleValue::turns() const {
return deg2turn(degrees());
}
CSSValue* CSSAngleValue::toCSSValue() const {
return CSSPrimitiveValue::create(m_value, m_unit);
}
} // namespace blink
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