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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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101 float chFontSize() const { return m_fontSizes.ch(); } | 101 float chFontSize() const { return m_fontSizes.ch(); } |
102 | 102 |
103 // Accessing these marks the style as having viewport units | 103 // Accessing these marks the style as having viewport units |
104 double viewportWidthPercent() const; | 104 double viewportWidthPercent() const; |
105 double viewportHeightPercent() const; | 105 double viewportHeightPercent() const; |
106 double viewportMinPercent() const; | 106 double viewportMinPercent() const; |
107 double viewportMaxPercent() const; | 107 double viewportMaxPercent() const; |
108 | 108 |
109 void setFontSizes(const FontSizes& fontSizes) { m_fontSizes = fontSizes; } | 109 void setFontSizes(const FontSizes& fontSizes) { m_fontSizes = fontSizes; } |
110 void setZoom(float zoom) { | 110 void setZoom(float zoom) { |
111 ASSERT(std::isfinite(zoom) && zoom > 0); | 111 DCHECK(std::isfinite(zoom)); |
| 112 DCHECK_GT(zoom, 0); |
112 m_zoom = zoom; | 113 m_zoom = zoom; |
113 } | 114 } |
114 | 115 |
115 CSSToLengthConversionData copyWithAdjustedZoom(float newZoom) const { | 116 CSSToLengthConversionData copyWithAdjustedZoom(float newZoom) const { |
116 return CSSToLengthConversionData(m_style, m_fontSizes, m_viewportSize, | 117 return CSSToLengthConversionData(m_style, m_fontSizes, m_viewportSize, |
117 newZoom); | 118 newZoom); |
118 } | 119 } |
119 | 120 |
120 double zoomedComputedPixels(double value, CSSPrimitiveValue::UnitType) const; | 121 double zoomedComputedPixels(double value, CSSPrimitiveValue::UnitType) const; |
121 | 122 |
122 private: | 123 private: |
123 const ComputedStyle* m_style; | 124 const ComputedStyle* m_style; |
124 FontSizes m_fontSizes; | 125 FontSizes m_fontSizes; |
125 ViewportSize m_viewportSize; | 126 ViewportSize m_viewportSize; |
126 float m_zoom; | 127 float m_zoom; |
127 }; | 128 }; |
128 | 129 |
129 } // namespace blink | 130 } // namespace blink |
130 | 131 |
131 #endif | 132 #endif |
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