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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 "core/animation/CSSFontWeightInterpolationType.h" | 5 #include "core/animation/CSSFontWeightInterpolationType.h" |
6 | 6 |
| 7 #include <memory> |
| 8 #include "core/animation/FontWeightConversion.h" |
7 #include "core/css/CSSPrimitiveValueMappings.h" | 9 #include "core/css/CSSPrimitiveValueMappings.h" |
8 #include "core/css/resolver/StyleResolverState.h" | 10 #include "core/css/resolver/StyleResolverState.h" |
9 #include "wtf/PtrUtil.h" | 11 #include "wtf/PtrUtil.h" |
10 #include <memory> | |
11 | 12 |
12 namespace blink { | 13 namespace blink { |
13 | 14 |
14 static double fontWeightToDouble(FontWeight fontWeight) { | |
15 switch (fontWeight) { | |
16 case FontWeight100: | |
17 return 100; | |
18 case FontWeight200: | |
19 return 200; | |
20 case FontWeight300: | |
21 return 300; | |
22 case FontWeight400: | |
23 return 400; | |
24 case FontWeight500: | |
25 return 500; | |
26 case FontWeight600: | |
27 return 600; | |
28 case FontWeight700: | |
29 return 700; | |
30 case FontWeight800: | |
31 return 800; | |
32 case FontWeight900: | |
33 return 900; | |
34 default: | |
35 NOTREACHED(); | |
36 return 400; | |
37 } | |
38 } | |
39 | |
40 static FontWeight doubleToFontWeight(double value) { | |
41 static const FontWeight fontWeights[] = { | |
42 FontWeight100, FontWeight200, FontWeight300, FontWeight400, FontWeight500, | |
43 FontWeight600, FontWeight700, FontWeight800, FontWeight900, | |
44 }; | |
45 | |
46 int index = round(value / 100 - 1); | |
47 int clampedIndex = clampTo<int>(index, 0, WTF_ARRAY_LENGTH(fontWeights) - 1); | |
48 return fontWeights[clampedIndex]; | |
49 } | |
50 | |
51 class InheritedFontWeightChecker : public InterpolationType::ConversionChecker { | 15 class InheritedFontWeightChecker : public InterpolationType::ConversionChecker { |
52 public: | 16 public: |
53 static std::unique_ptr<InheritedFontWeightChecker> create( | 17 static std::unique_ptr<InheritedFontWeightChecker> create( |
54 FontWeight fontWeight) { | 18 FontWeight fontWeight) { |
55 return WTF::wrapUnique(new InheritedFontWeightChecker(fontWeight)); | 19 return WTF::wrapUnique(new InheritedFontWeightChecker(fontWeight)); |
56 } | 20 } |
57 | 21 |
58 private: | 22 private: |
59 InheritedFontWeightChecker(FontWeight fontWeight) | 23 InheritedFontWeightChecker(FontWeight fontWeight) |
60 : m_fontWeight(fontWeight) {} | 24 : m_fontWeight(fontWeight) {} |
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136 | 100 |
137 void CSSFontWeightInterpolationType::applyStandardPropertyValue( | 101 void CSSFontWeightInterpolationType::applyStandardPropertyValue( |
138 const InterpolableValue& interpolableValue, | 102 const InterpolableValue& interpolableValue, |
139 const NonInterpolableValue*, | 103 const NonInterpolableValue*, |
140 StyleResolverState& state) const { | 104 StyleResolverState& state) const { |
141 state.fontBuilder().setWeight( | 105 state.fontBuilder().setWeight( |
142 doubleToFontWeight(toInterpolableNumber(interpolableValue).value())); | 106 doubleToFontWeight(toInterpolableNumber(interpolableValue).value())); |
143 } | 107 } |
144 | 108 |
145 } // namespace blink | 109 } // namespace blink |
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