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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2007 Apple Inc. All rights reserved. | 4 * Copyright (C) 2007 Apple Inc. All rights reserved. |
5 * Copyright (C) Research In Motion Limited 2011. All rights reserved. | 5 * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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104 return value; | 104 return value; |
105 case LengthTypePX: | 105 case LengthTypePX: |
106 return value; | 106 return value; |
107 case LengthTypePercentage: | 107 case LengthTypePercentage: |
108 return convertValueFromPercentageToUserUnits(value / 100, mode, exceptio
nState); | 108 return convertValueFromPercentageToUserUnits(value / 100, mode, exceptio
nState); |
109 case LengthTypeEMS: | 109 case LengthTypeEMS: |
110 return convertValueFromEMSToUserUnits(value, exceptionState); | 110 return convertValueFromEMSToUserUnits(value, exceptionState); |
111 case LengthTypeEXS: | 111 case LengthTypeEXS: |
112 return convertValueFromEXSToUserUnits(value, exceptionState); | 112 return convertValueFromEXSToUserUnits(value, exceptionState); |
113 case LengthTypeCM: | 113 case LengthTypeCM: |
114 return value * cssPixelsPerInch / 2.54f; | 114 return value * cssPixelsPerCentimeter; |
115 case LengthTypeMM: | 115 case LengthTypeMM: |
116 return value * cssPixelsPerInch / 25.4f; | 116 return value * cssPixelsPerMillimeter; |
117 case LengthTypeIN: | 117 case LengthTypeIN: |
118 return value * cssPixelsPerInch; | 118 return value * cssPixelsPerInch; |
119 case LengthTypePT: | 119 case LengthTypePT: |
120 return value * cssPixelsPerInch / 72; | 120 return value * cssPixelsPerPoint; |
121 case LengthTypePC: | 121 case LengthTypePC: |
122 return value * cssPixelsPerInch / 6; | 122 return value * cssPixelsPerPica; |
123 } | 123 } |
124 | 124 |
125 ASSERT_NOT_REACHED(); | 125 ASSERT_NOT_REACHED(); |
126 return 0; | 126 return 0; |
127 } | 127 } |
128 | 128 |
129 float SVGLengthContext::convertValueFromUserUnits(float value, SVGLengthMode mod
e, SVGLengthType toUnit, ExceptionState& exceptionState) const | 129 float SVGLengthContext::convertValueFromUserUnits(float value, SVGLengthMode mod
e, SVGLengthType toUnit, ExceptionState& exceptionState) const |
130 { | 130 { |
131 switch (toUnit) { | 131 switch (toUnit) { |
132 case LengthTypeUnknown: | 132 case LengthTypeUnknown: |
133 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro
r); | 133 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro
r); |
134 return 0; | 134 return 0; |
135 case LengthTypeNumber: | 135 case LengthTypeNumber: |
136 return value; | 136 return value; |
137 case LengthTypePercentage: | 137 case LengthTypePercentage: |
138 return convertValueFromUserUnitsToPercentage(value * 100, mode, exceptio
nState); | 138 return convertValueFromUserUnitsToPercentage(value * 100, mode, exceptio
nState); |
139 case LengthTypeEMS: | 139 case LengthTypeEMS: |
140 return convertValueFromUserUnitsToEMS(value, exceptionState); | 140 return convertValueFromUserUnitsToEMS(value, exceptionState); |
141 case LengthTypeEXS: | 141 case LengthTypeEXS: |
142 return convertValueFromUserUnitsToEXS(value, exceptionState); | 142 return convertValueFromUserUnitsToEXS(value, exceptionState); |
143 case LengthTypePX: | 143 case LengthTypePX: |
144 return value; | 144 return value; |
145 case LengthTypeCM: | 145 case LengthTypeCM: |
146 return value * 2.54f / cssPixelsPerInch; | 146 return value / cssPixelsPerCentimeter; |
147 case LengthTypeMM: | 147 case LengthTypeMM: |
148 return value * 25.4f / cssPixelsPerInch; | 148 return value / cssPixelsPerMillimeter; |
149 case LengthTypeIN: | 149 case LengthTypeIN: |
150 return value / cssPixelsPerInch; | 150 return value / cssPixelsPerInch; |
151 case LengthTypePT: | 151 case LengthTypePT: |
152 return value * 72 / cssPixelsPerInch; | 152 return value / cssPixelsPerPoint; |
153 case LengthTypePC: | 153 case LengthTypePC: |
154 return value * 6 / cssPixelsPerInch; | 154 return value / cssPixelsPerPica; |
155 } | 155 } |
156 | 156 |
157 ASSERT_NOT_REACHED(); | 157 ASSERT_NOT_REACHED(); |
158 return 0; | 158 return 0; |
159 } | 159 } |
160 | 160 |
161 float SVGLengthContext::convertValueFromUserUnitsToPercentage(float value, SVGLe
ngthMode mode, ExceptionState& exceptionState) const | 161 float SVGLengthContext::convertValueFromUserUnitsToPercentage(float value, SVGLe
ngthMode mode, ExceptionState& exceptionState) const |
162 { | 162 { |
163 FloatSize viewportSize; | 163 FloatSize viewportSize; |
164 if (!determineViewport(viewportSize)) { | 164 if (!determineViewport(viewportSize)) { |
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301 | 301 |
302 const SVGSVGElement* svg = static_cast<const SVGSVGElement*>(viewportElement
); | 302 const SVGSVGElement* svg = static_cast<const SVGSVGElement*>(viewportElement
); |
303 viewportSize = svg->currentViewBoxRect().size(); | 303 viewportSize = svg->currentViewBoxRect().size(); |
304 if (viewportSize.isEmpty()) | 304 if (viewportSize.isEmpty()) |
305 viewportSize = svg->currentViewportSize(); | 305 viewportSize = svg->currentViewportSize(); |
306 | 306 |
307 return true; | 307 return true; |
308 } | 308 } |
309 | 309 |
310 } | 310 } |
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