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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 #include "core/animation/LengthSVGInterpolation.h" | 6 #include "core/animation/LengthSVGInterpolation.h" |
7 | 7 |
8 #include "core/css/CSSHelper.h" | 8 #include "core/css/CSSHelper.h" |
9 #include "core/svg/SVGAnimatedLength.h" | 9 #include "core/svg/SVGAnimatedLength.h" |
10 #include "core/svg/SVGAnimatedLengthList.h" | 10 #include "core/svg/SVGAnimatedLengthList.h" |
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53 | 53 |
54 enum LengthInterpolatedUnit { | 54 enum LengthInterpolatedUnit { |
55 LengthInterpolatedNumber, | 55 LengthInterpolatedNumber, |
56 LengthInterpolatedPercentage, | 56 LengthInterpolatedPercentage, |
57 LengthInterpolatedEMS, | 57 LengthInterpolatedEMS, |
58 LengthInterpolatedEXS, | 58 LengthInterpolatedEXS, |
59 LengthInterpolatedREMS, | 59 LengthInterpolatedREMS, |
60 LengthInterpolatedCHS, | 60 LengthInterpolatedCHS, |
61 }; | 61 }; |
62 | 62 |
63 static const SVGLengthType unitTypes[] = { LengthTypeNumber, LengthTypePercentag e, LengthTypeEMS, LengthTypeEXS, LengthTypeREMS, LengthTypeCHS }; | 63 static const CSSPrimitiveValue::UnitType unitTypes[] = { |
64 CSSPrimitiveValue::UnitType::Number, | |
65 CSSPrimitiveValue::UnitType::Percentage, | |
66 CSSPrimitiveValue::UnitType::Ems, | |
67 CSSPrimitiveValue::UnitType::Exs, | |
68 CSSPrimitiveValue::UnitType::Rems, | |
69 CSSPrimitiveValue::UnitType::Chs }; | |
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64 | 70 |
65 const size_t numLengthInterpolatedUnits = WTF_ARRAY_LENGTH(unitTypes); | 71 const size_t numLengthInterpolatedUnits = WTF_ARRAY_LENGTH(unitTypes); |
66 | 72 |
67 LengthInterpolatedUnit convertToInterpolatedUnit(SVGLengthType lengthType, doubl e& value) | 73 LengthInterpolatedUnit convertToInterpolatedUnit(CSSPrimitiveValue::UnitType uni tType, double& value) |
68 { | 74 { |
69 switch (lengthType) { | 75 switch (unitType) { |
70 case LengthTypeUnknown: | 76 case CSSPrimitiveValue::UnitType::Unknown: |
71 default: | 77 default: |
72 ASSERT_NOT_REACHED(); | 78 ASSERT_NOT_REACHED(); |
73 case LengthTypePX: | 79 case CSSPrimitiveValue::UnitType::Pixels: |
74 case LengthTypeNumber: | 80 case CSSPrimitiveValue::UnitType::Number: |
75 return LengthInterpolatedNumber; | 81 return LengthInterpolatedNumber; |
76 case LengthTypePercentage: | 82 case CSSPrimitiveValue::UnitType::Percentage: |
77 return LengthInterpolatedPercentage; | 83 return LengthInterpolatedPercentage; |
78 case LengthTypeEMS: | 84 case CSSPrimitiveValue::UnitType::Ems: |
79 return LengthInterpolatedEMS; | 85 return LengthInterpolatedEMS; |
80 case LengthTypeEXS: | 86 case CSSPrimitiveValue::UnitType::Exs: |
81 return LengthInterpolatedEXS; | 87 return LengthInterpolatedEXS; |
82 case LengthTypeCM: | 88 case CSSPrimitiveValue::UnitType::Centimeters: |
83 value *= cssPixelsPerCentimeter; | 89 value *= cssPixelsPerCentimeter; |
84 return LengthInterpolatedNumber; | 90 return LengthInterpolatedNumber; |
85 case LengthTypeMM: | 91 case CSSPrimitiveValue::UnitType::Millimeters: |
86 value *= cssPixelsPerMillimeter; | 92 value *= cssPixelsPerMillimeter; |
87 return LengthInterpolatedNumber; | 93 return LengthInterpolatedNumber; |
88 case LengthTypeIN: | 94 case CSSPrimitiveValue::UnitType::Inches: |
89 value *= cssPixelsPerInch; | 95 value *= cssPixelsPerInch; |
90 return LengthInterpolatedNumber; | 96 return LengthInterpolatedNumber; |
91 case LengthTypePT: | 97 case CSSPrimitiveValue::UnitType::Points: |
92 value *= cssPixelsPerPoint; | 98 value *= cssPixelsPerPoint; |
93 return LengthInterpolatedNumber; | 99 return LengthInterpolatedNumber; |
94 case LengthTypePC: | 100 case CSSPrimitiveValue::UnitType::Picas: |
95 value *= cssPixelsPerPica; | 101 value *= cssPixelsPerPica; |
96 return LengthInterpolatedNumber; | 102 return LengthInterpolatedNumber; |
97 case LengthTypeREMS: | 103 case CSSPrimitiveValue::UnitType::UserUnits: |
104 return LengthInterpolatedNumber; | |
105 case CSSPrimitiveValue::UnitType::Rems: | |
98 return LengthInterpolatedREMS; | 106 return LengthInterpolatedREMS; |
99 case LengthTypeCHS: | 107 case CSSPrimitiveValue::UnitType::Chs: |
100 return LengthInterpolatedCHS; | 108 return LengthInterpolatedCHS; |
101 } | 109 } |
102 } | 110 } |
103 | 111 |
104 } // namespace | 112 } // namespace |
105 | 113 |
106 PassOwnPtr<InterpolableValue> LengthSVGInterpolation::toInterpolableValue(SVGLen gth* length, const SVGAnimatedPropertyBase* attribute, NonInterpolableType* ptrM odeData) | 114 PassOwnPtr<InterpolableValue> LengthSVGInterpolation::toInterpolableValue(SVGLen gth* length, const SVGAnimatedPropertyBase* attribute, NonInterpolableType* ptrM odeData) |
107 { | 115 { |
108 if (ptrModeData) | 116 if (ptrModeData) |
109 populateModeData(attribute, ptrModeData); | 117 populateModeData(attribute, ptrModeData); |
110 | 118 |
111 double value = length->valueInSpecifiedUnits(); | 119 double value = length->valueInSpecifiedUnits(); |
112 LengthInterpolatedUnit unitType = convertToInterpolatedUnit(length->unitType (), value); | 120 LengthInterpolatedUnit unitType = convertToInterpolatedUnit(length->typeWith CalcResolved(), value); |
113 | 121 |
114 double values[numLengthInterpolatedUnits] = { }; | 122 double values[numLengthInterpolatedUnits] = { }; |
115 values[unitType] = value; | 123 values[unitType] = value; |
116 | 124 |
117 OwnPtr<InterpolableList> listOfValues = InterpolableList::create(numLengthIn terpolatedUnits); | 125 OwnPtr<InterpolableList> listOfValues = InterpolableList::create(numLengthIn terpolatedUnits); |
118 for (size_t i = 0; i < numLengthInterpolatedUnits; ++i) | 126 for (size_t i = 0; i < numLengthInterpolatedUnits; ++i) |
119 listOfValues->set(i, InterpolableNumber::create(values[i])); | 127 listOfValues->set(i, InterpolableNumber::create(values[i])); |
120 return listOfValues.release(); | 128 return listOfValues.release(); |
121 } | 129 } |
122 | 130 |
123 PassRefPtrWillBeRawPtr<SVGLength> LengthSVGInterpolation::fromInterpolableValue( const InterpolableValue& interpolableValue, const NonInterpolableType& modeData, const SVGElement* element) | 131 PassRefPtrWillBeRawPtr<SVGLength> LengthSVGInterpolation::fromInterpolableValue( const InterpolableValue& interpolableValue, const NonInterpolableType& modeData, const SVGElement* element) |
124 { | 132 { |
125 const InterpolableList& listOfValues = toInterpolableList(interpolableValue) ; | 133 const InterpolableList& listOfValues = toInterpolableList(interpolableValue) ; |
126 ASSERT(element); | 134 ASSERT(element); |
127 | 135 |
128 double value = 0; | 136 double value = 0; |
129 SVGLengthType lengthType = LengthTypeNumber; | 137 CSSPrimitiveValue::UnitType unitType = CSSPrimitiveValue::UnitType::Number; |
130 unsigned unitTypeCount = 0; | 138 unsigned unitTypeCount = 0; |
131 // We optimise for the common case where only one unit type is involved. | 139 // We optimise for the common case where only one unit type is involved. |
132 for (size_t i = 0; i < numLengthInterpolatedUnits; i++) { | 140 for (size_t i = 0; i < numLengthInterpolatedUnits; i++) { |
133 double entry = toInterpolableNumber(listOfValues.get(i))->value(); | 141 double entry = toInterpolableNumber(listOfValues.get(i))->value(); |
134 if (!entry) | 142 if (!entry) |
135 continue; | 143 continue; |
136 unitTypeCount++; | 144 unitTypeCount++; |
137 if (unitTypeCount > 1) | 145 if (unitTypeCount > 1) |
138 break; | 146 break; |
139 | 147 |
140 value = entry; | 148 value = entry; |
141 lengthType = unitTypes[i]; | 149 unitType = unitTypes[i]; |
142 } | 150 } |
143 | 151 |
144 if (unitTypeCount > 1) { | 152 if (unitTypeCount > 1) { |
145 value = 0; | 153 value = 0; |
146 lengthType = LengthTypeNumber; | 154 unitType = CSSPrimitiveValue::UnitType::Number; |
147 | 155 |
148 // SVGLength does not support calc expressions, so we convert to canonic al units. | 156 // SVGLength does not support calc expressions, so we convert to canonic al units. |
149 SVGLengthContext lengthContext(element); | 157 SVGLengthContext lengthContext(element); |
150 for (size_t i = 0; i < numLengthInterpolatedUnits; i++) { | 158 for (size_t i = 0; i < numLengthInterpolatedUnits; i++) { |
151 double entry = toInterpolableNumber(listOfValues.get(i))->value(); | 159 double entry = toInterpolableNumber(listOfValues.get(i))->value(); |
152 if (entry) | 160 if (entry) |
153 value += lengthContext.convertValueToUserUnits(entry, modeData.u nitMode, unitTypes[i]); | 161 value += lengthContext.convertValueToUserUnits(entry, modeData.u nitMode, unitTypes[i]); |
154 } | 162 } |
155 } | 163 } |
156 | 164 |
157 if (modeData.negativeValuesMode == ForbidNegativeLengths && value < 0) | 165 if (modeData.negativeValuesMode == ForbidNegativeLengths && value < 0) |
158 value = 0; | 166 value = 0; |
159 | 167 |
160 RefPtrWillBeRawPtr<SVGLength> result = SVGLength::create(modeData.unitMode); // defaults to the length 0 | 168 RefPtrWillBeRawPtr<SVGLength> result = SVGLength::create(modeData.unitMode); // defaults to the length 0 |
161 result->setUnitType(lengthType); | 169 result->newValueSpecifiedUnits(unitType, value); |
162 result->setValueInSpecifiedUnits(value); | |
163 return result.release(); | 170 return result.release(); |
164 } | 171 } |
165 | 172 |
166 PassRefPtrWillBeRawPtr<SVGPropertyBase> LengthSVGInterpolation::interpolatedValu e(SVGElement& targetElement) const | 173 PassRefPtrWillBeRawPtr<SVGPropertyBase> LengthSVGInterpolation::interpolatedValu e(SVGElement& targetElement) const |
167 { | 174 { |
168 return fromInterpolableValue(*m_cachedValue, m_modeData, &targetElement); | 175 return fromInterpolableValue(*m_cachedValue, m_modeData, &targetElement); |
169 } | 176 } |
170 | 177 |
171 } | 178 } |
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