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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "core/css/cssom/CSSAngleValue.h" | |
| 6 | |
| 7 #include "bindings/core/v8/ExceptionState.h" | |
| 8 #include "core/css/CSSPrimitiveValue.h" | |
| 9 #include "platform/wtf/MathExtras.h" | |
| 10 | |
| 11 namespace blink { | |
| 12 | |
| 13 CSSAngleValue* CSSAngleValue::Create(double value, | |
| 14 CSSPrimitiveValue::UnitType unit) { | |
| 15 DCHECK(CSSPrimitiveValue::IsAngle(unit)); | |
| 16 return new CSSAngleValue(value, unit); | |
| 17 } | |
| 18 | |
| 19 CSSAngleValue* CSSAngleValue::Create(double value, const String& unit) { | |
| 20 CSSPrimitiveValue::UnitType primitive_unit = | |
| 21 CSSPrimitiveValue::StringToUnitType(unit); | |
| 22 return Create(value, primitive_unit); | |
| 23 } | |
| 24 | |
| 25 CSSAngleValue* CSSAngleValue::FromCSSValue(const CSSPrimitiveValue& value) { | |
| 26 DCHECK(value.IsAngle()); | |
| 27 if (value.IsCalculated()) | |
| 28 return nullptr; | |
| 29 return new CSSAngleValue(value.GetDoubleValue(), | |
| 30 value.TypeWithCalcResolved()); | |
| 31 } | |
| 32 | |
| 33 double CSSAngleValue::degrees() const { | |
| 34 switch (unit_) { | |
| 35 case CSSPrimitiveValue::UnitType::kDegrees: | |
| 36 return value_; | |
| 37 case CSSPrimitiveValue::UnitType::kRadians: | |
| 38 return rad2deg(value_); | |
| 39 case CSSPrimitiveValue::UnitType::kGradians: | |
| 40 return grad2deg(value_); | |
| 41 case CSSPrimitiveValue::UnitType::kTurns: | |
| 42 return turn2deg(value_); | |
| 43 default: | |
| 44 NOTREACHED(); | |
| 45 return 0; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 double CSSAngleValue::radians() const { | |
| 50 return deg2rad(degrees()); | |
| 51 } | |
| 52 | |
| 53 double CSSAngleValue::gradians() const { | |
| 54 return deg2grad(degrees()); | |
| 55 } | |
| 56 | |
| 57 double CSSAngleValue::turns() const { | |
| 58 return deg2turn(degrees()); | |
| 59 } | |
| 60 | |
| 61 CSSValue* CSSAngleValue::ToCSSValue() const { | |
| 62 return CSSPrimitiveValue::Create(value_, unit_); | |
| 63 } | |
| 64 | |
| 65 } // namespace blink | |
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