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Side by Side Diff: Source/core/svg/SVGLengthContext.cpp

Issue 72363002: Rename es => exceptionState in other than bindings/ (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Retry Created 7 years, 1 month ago
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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.
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
79 ASSERT(type != SVGUnitTypes::SVG_UNIT_TYPE_UNKNOWN); 79 ASSERT(type != SVGUnitTypes::SVG_UNIT_TYPE_UNKNOWN);
80 if (type == SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) { 80 if (type == SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) {
81 SVGLengthContext lengthContext(context); 81 SVGLengthContext lengthContext(context);
82 return x.value(lengthContext); 82 return x.value(lengthContext);
83 } 83 }
84 84
85 // FIXME: valueAsPercentage() won't be correct for eg. cm units. They need t o be resolved in user space and then be considered in objectBoundingBox space. 85 // FIXME: valueAsPercentage() won't be correct for eg. cm units. They need t o be resolved in user space and then be considered in objectBoundingBox space.
86 return x.valueAsPercentage(); 86 return x.valueAsPercentage();
87 } 87 }
88 88
89 float SVGLengthContext::convertValueToUserUnits(float value, SVGLengthMode mode, SVGLengthType fromUnit, ExceptionState& es) const 89 float SVGLengthContext::convertValueToUserUnits(float value, SVGLengthMode mode, SVGLengthType fromUnit, ExceptionState& exceptionState) const
90 { 90 {
91 // If the SVGLengthContext carries a custom viewport, force resolving agains t it. 91 // If the SVGLengthContext carries a custom viewport, force resolving agains t it.
92 if (!m_overridenViewport.isEmpty()) { 92 if (!m_overridenViewport.isEmpty()) {
93 // 100% = 100.0 instead of 1.0 for historical reasons, this could eventu ally be changed 93 // 100% = 100.0 instead of 1.0 for historical reasons, this could eventu ally be changed
94 if (fromUnit == LengthTypePercentage) 94 if (fromUnit == LengthTypePercentage)
95 value /= 100; 95 value /= 100;
96 return convertValueFromPercentageToUserUnits(value, mode, es); 96 return convertValueFromPercentageToUserUnits(value, mode, exceptionState );
97 } 97 }
98 98
99 switch (fromUnit) { 99 switch (fromUnit) {
100 case LengthTypeUnknown: 100 case LengthTypeUnknown:
101 es.throwUninformativeAndGenericDOMException(NotSupportedError); 101 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
102 return 0; 102 return 0;
103 case LengthTypeNumber: 103 case LengthTypeNumber:
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, es); 108 return convertValueFromPercentageToUserUnits(value / 100, mode, exceptio nState);
109 case LengthTypeEMS: 109 case LengthTypeEMS:
110 return convertValueFromEMSToUserUnits(value, es); 110 return convertValueFromEMSToUserUnits(value, exceptionState);
111 case LengthTypeEXS: 111 case LengthTypeEXS:
112 return convertValueFromEXSToUserUnits(value, es); 112 return convertValueFromEXSToUserUnits(value, exceptionState);
113 case LengthTypeCM: 113 case LengthTypeCM:
114 return value * cssPixelsPerInch / 2.54f; 114 return value * cssPixelsPerInch / 2.54f;
115 case LengthTypeMM: 115 case LengthTypeMM:
116 return value * cssPixelsPerInch / 25.4f; 116 return value * cssPixelsPerInch / 25.4f;
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 * cssPixelsPerInch / 72;
121 case LengthTypePC: 121 case LengthTypePC:
122 return value * cssPixelsPerInch / 6; 122 return value * cssPixelsPerInch / 6;
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& es) 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 es.throwUninformativeAndGenericDOMException(NotSupportedError); 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, es); 138 return convertValueFromUserUnitsToPercentage(value * 100, mode, exceptio nState);
139 case LengthTypeEMS: 139 case LengthTypeEMS:
140 return convertValueFromUserUnitsToEMS(value, es); 140 return convertValueFromUserUnitsToEMS(value, exceptionState);
141 case LengthTypeEXS: 141 case LengthTypeEXS:
142 return convertValueFromUserUnitsToEXS(value, es); 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 * 2.54f / cssPixelsPerInch;
147 case LengthTypeMM: 147 case LengthTypeMM:
148 return value * 25.4f / cssPixelsPerInch; 148 return value * 25.4f / cssPixelsPerInch;
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 * 72 / cssPixelsPerInch;
153 case LengthTypePC: 153 case LengthTypePC:
154 return value * 6 / cssPixelsPerInch; 154 return value * 6 / cssPixelsPerInch;
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& es) 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)) {
165 es.throwUninformativeAndGenericDOMException(NotSupportedError); 165 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
166 return 0; 166 return 0;
167 } 167 }
168 168
169 switch (mode) { 169 switch (mode) {
170 case LengthModeWidth: 170 case LengthModeWidth:
171 return value / viewportSize.width() * 100; 171 return value / viewportSize.width() * 100;
172 case LengthModeHeight: 172 case LengthModeHeight:
173 return value / viewportSize.height() * 100; 173 return value / viewportSize.height() * 100;
174 case LengthModeOther: 174 case LengthModeOther:
175 return value / sqrtf(viewportSize.diagonalLengthSquared() / 2) * 100; 175 return value / sqrtf(viewportSize.diagonalLengthSquared() / 2) * 100;
176 }; 176 };
177 177
178 ASSERT_NOT_REACHED(); 178 ASSERT_NOT_REACHED();
179 return 0; 179 return 0;
180 } 180 }
181 181
182 float SVGLengthContext::convertValueFromPercentageToUserUnits(float value, SVGLe ngthMode mode, ExceptionState& es) const 182 float SVGLengthContext::convertValueFromPercentageToUserUnits(float value, SVGLe ngthMode mode, ExceptionState& exceptionState) const
183 { 183 {
184 FloatSize viewportSize; 184 FloatSize viewportSize;
185 if (!determineViewport(viewportSize)) { 185 if (!determineViewport(viewportSize)) {
186 es.throwUninformativeAndGenericDOMException(NotSupportedError); 186 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
187 return 0; 187 return 0;
188 } 188 }
189 189
190 switch (mode) { 190 switch (mode) {
191 case LengthModeWidth: 191 case LengthModeWidth:
192 return value * viewportSize.width(); 192 return value * viewportSize.width();
193 case LengthModeHeight: 193 case LengthModeHeight:
194 return value * viewportSize.height(); 194 return value * viewportSize.height();
195 case LengthModeOther: 195 case LengthModeOther:
196 return value * sqrtf(viewportSize.diagonalLengthSquared() / 2); 196 return value * sqrtf(viewportSize.diagonalLengthSquared() / 2);
(...skipping 13 matching lines...) Expand all
210 if (currentContext->renderer()) 210 if (currentContext->renderer())
211 return currentContext->renderer()->style(); 211 return currentContext->renderer()->style();
212 currentContext = currentContext->parentNode(); 212 currentContext = currentContext->parentNode();
213 } 213 }
214 214
215 // There must be at least a RenderSVGRoot renderer, carrying a style. 215 // There must be at least a RenderSVGRoot renderer, carrying a style.
216 ASSERT_NOT_REACHED(); 216 ASSERT_NOT_REACHED();
217 return 0; 217 return 0;
218 } 218 }
219 219
220 float SVGLengthContext::convertValueFromUserUnitsToEMS(float value, ExceptionSta te& es) const 220 float SVGLengthContext::convertValueFromUserUnitsToEMS(float value, ExceptionSta te& exceptionState) const
221 { 221 {
222 RenderStyle* style = renderStyleForLengthResolving(m_context); 222 RenderStyle* style = renderStyleForLengthResolving(m_context);
223 if (!style) { 223 if (!style) {
224 es.throwUninformativeAndGenericDOMException(NotSupportedError); 224 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
225 return 0; 225 return 0;
226 } 226 }
227 227
228 float fontSize = style->specifiedFontSize(); 228 float fontSize = style->specifiedFontSize();
229 if (!fontSize) { 229 if (!fontSize) {
230 es.throwUninformativeAndGenericDOMException(NotSupportedError); 230 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
231 return 0; 231 return 0;
232 } 232 }
233 233
234 return value / fontSize; 234 return value / fontSize;
235 } 235 }
236 236
237 float SVGLengthContext::convertValueFromEMSToUserUnits(float value, ExceptionSta te& es) const 237 float SVGLengthContext::convertValueFromEMSToUserUnits(float value, ExceptionSta te& exceptionState) const
238 { 238 {
239 RenderStyle* style = renderStyleForLengthResolving(m_context); 239 RenderStyle* style = renderStyleForLengthResolving(m_context);
240 if (!style) { 240 if (!style) {
241 es.throwUninformativeAndGenericDOMException(NotSupportedError); 241 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
242 return 0; 242 return 0;
243 } 243 }
244 244
245 return value * style->specifiedFontSize(); 245 return value * style->specifiedFontSize();
246 } 246 }
247 247
248 float SVGLengthContext::convertValueFromUserUnitsToEXS(float value, ExceptionSta te& es) const 248 float SVGLengthContext::convertValueFromUserUnitsToEXS(float value, ExceptionSta te& exceptionState) const
249 { 249 {
250 RenderStyle* style = renderStyleForLengthResolving(m_context); 250 RenderStyle* style = renderStyleForLengthResolving(m_context);
251 if (!style) { 251 if (!style) {
252 es.throwUninformativeAndGenericDOMException(NotSupportedError); 252 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
253 return 0; 253 return 0;
254 } 254 }
255 255
256 // Use of ceil allows a pixel match to the W3Cs expected output of coords-un its-03-b.svg 256 // Use of ceil allows a pixel match to the W3Cs expected output of coords-un its-03-b.svg
257 // if this causes problems in real world cases maybe it would be best to rem ove this 257 // if this causes problems in real world cases maybe it would be best to rem ove this
258 float xHeight = ceilf(style->fontMetrics().xHeight()); 258 float xHeight = ceilf(style->fontMetrics().xHeight());
259 if (!xHeight) { 259 if (!xHeight) {
260 es.throwUninformativeAndGenericDOMException(NotSupportedError); 260 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
261 return 0; 261 return 0;
262 } 262 }
263 263
264 return value / xHeight; 264 return value / xHeight;
265 } 265 }
266 266
267 float SVGLengthContext::convertValueFromEXSToUserUnits(float value, ExceptionSta te& es) const 267 float SVGLengthContext::convertValueFromEXSToUserUnits(float value, ExceptionSta te& exceptionState) const
268 { 268 {
269 RenderStyle* style = renderStyleForLengthResolving(m_context); 269 RenderStyle* style = renderStyleForLengthResolving(m_context);
270 if (!style) { 270 if (!style) {
271 es.throwUninformativeAndGenericDOMException(NotSupportedError); 271 exceptionState.throwUninformativeAndGenericDOMException(NotSupportedErro r);
272 return 0; 272 return 0;
273 } 273 }
274 274
275 // Use of ceil allows a pixel match to the W3Cs expected output of coords-un its-03-b.svg 275 // Use of ceil allows a pixel match to the W3Cs expected output of coords-un its-03-b.svg
276 // if this causes problems in real world cases maybe it would be best to rem ove this 276 // if this causes problems in real world cases maybe it would be best to rem ove this
277 return value * ceilf(style->fontMetrics().xHeight()); 277 return value * ceilf(style->fontMetrics().xHeight());
278 } 278 }
279 279
280 bool SVGLengthContext::determineViewport(FloatSize& viewportSize) const 280 bool SVGLengthContext::determineViewport(FloatSize& viewportSize) const
281 { 281 {
(...skipping 19 matching lines...) Expand all
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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