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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org> |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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85 DEFINE_TRACE(SVGTextContentElement) | 85 DEFINE_TRACE(SVGTextContentElement) |
86 { | 86 { |
87 visitor->trace(m_textLength); | 87 visitor->trace(m_textLength); |
88 visitor->trace(m_lengthAdjust); | 88 visitor->trace(m_lengthAdjust); |
89 SVGGraphicsElement::trace(visitor); | 89 SVGGraphicsElement::trace(visitor); |
90 } | 90 } |
91 | 91 |
92 unsigned SVGTextContentElement::getNumberOfChars() | 92 unsigned SVGTextContentElement::getNumberOfChars() |
93 { | 93 { |
94 document().updateLayoutIgnorePendingStylesheets(); | 94 document().updateLayoutIgnorePendingStylesheets(); |
95 return SVGTextQuery(renderer()).numberOfCharacters(); | 95 return SVGTextQuery(layoutObject()).numberOfCharacters(); |
96 } | 96 } |
97 | 97 |
98 float SVGTextContentElement::getComputedTextLength() | 98 float SVGTextContentElement::getComputedTextLength() |
99 { | 99 { |
100 document().updateLayoutIgnorePendingStylesheets(); | 100 document().updateLayoutIgnorePendingStylesheets(); |
101 return SVGTextQuery(renderer()).textLength(); | 101 return SVGTextQuery(layoutObject()).textLength(); |
102 } | 102 } |
103 | 103 |
104 float SVGTextContentElement::getSubStringLength(unsigned charnum, unsigned nchar
s, ExceptionState& exceptionState) | 104 float SVGTextContentElement::getSubStringLength(unsigned charnum, unsigned nchar
s, ExceptionState& exceptionState) |
105 { | 105 { |
106 document().updateLayoutIgnorePendingStylesheets(); | 106 document().updateLayoutIgnorePendingStylesheets(); |
107 | 107 |
108 unsigned numberOfChars = getNumberOfChars(); | 108 unsigned numberOfChars = getNumberOfChars(); |
109 if (charnum >= numberOfChars) { | 109 if (charnum >= numberOfChars) { |
110 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); | 110 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); |
111 return 0.0f; | 111 return 0.0f; |
112 } | 112 } |
113 | 113 |
114 if (nchars > numberOfChars - charnum) | 114 if (nchars > numberOfChars - charnum) |
115 nchars = numberOfChars - charnum; | 115 nchars = numberOfChars - charnum; |
116 | 116 |
117 return SVGTextQuery(renderer()).subStringLength(charnum, nchars); | 117 return SVGTextQuery(layoutObject()).subStringLength(charnum, nchars); |
118 } | 118 } |
119 | 119 |
120 PassRefPtrWillBeRawPtr<SVGPointTearOff> SVGTextContentElement::getStartPositionO
fChar(unsigned charnum, ExceptionState& exceptionState) | 120 PassRefPtrWillBeRawPtr<SVGPointTearOff> SVGTextContentElement::getStartPositionO
fChar(unsigned charnum, ExceptionState& exceptionState) |
121 { | 121 { |
122 document().updateLayoutIgnorePendingStylesheets(); | 122 document().updateLayoutIgnorePendingStylesheets(); |
123 | 123 |
124 if (charnum > getNumberOfChars()) { | 124 if (charnum > getNumberOfChars()) { |
125 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); | 125 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); |
126 return nullptr; | 126 return nullptr; |
127 } | 127 } |
128 | 128 |
129 FloatPoint point = SVGTextQuery(renderer()).startPositionOfCharacter(charnum
); | 129 FloatPoint point = SVGTextQuery(layoutObject()).startPositionOfCharacter(cha
rnum); |
130 return SVGPointTearOff::create(SVGPoint::create(point), 0, PropertyIsNotAnim
Val); | 130 return SVGPointTearOff::create(SVGPoint::create(point), 0, PropertyIsNotAnim
Val); |
131 } | 131 } |
132 | 132 |
133 PassRefPtrWillBeRawPtr<SVGPointTearOff> SVGTextContentElement::getEndPositionOfC
har(unsigned charnum, ExceptionState& exceptionState) | 133 PassRefPtrWillBeRawPtr<SVGPointTearOff> SVGTextContentElement::getEndPositionOfC
har(unsigned charnum, ExceptionState& exceptionState) |
134 { | 134 { |
135 document().updateLayoutIgnorePendingStylesheets(); | 135 document().updateLayoutIgnorePendingStylesheets(); |
136 | 136 |
137 if (charnum > getNumberOfChars()) { | 137 if (charnum > getNumberOfChars()) { |
138 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); | 138 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); |
139 return nullptr; | 139 return nullptr; |
140 } | 140 } |
141 | 141 |
142 FloatPoint point = SVGTextQuery(renderer()).endPositionOfCharacter(charnum); | 142 FloatPoint point = SVGTextQuery(layoutObject()).endPositionOfCharacter(charn
um); |
143 return SVGPointTearOff::create(SVGPoint::create(point), 0, PropertyIsNotAnim
Val); | 143 return SVGPointTearOff::create(SVGPoint::create(point), 0, PropertyIsNotAnim
Val); |
144 } | 144 } |
145 | 145 |
146 PassRefPtrWillBeRawPtr<SVGRectTearOff> SVGTextContentElement::getExtentOfChar(un
signed charnum, ExceptionState& exceptionState) | 146 PassRefPtrWillBeRawPtr<SVGRectTearOff> SVGTextContentElement::getExtentOfChar(un
signed charnum, ExceptionState& exceptionState) |
147 { | 147 { |
148 document().updateLayoutIgnorePendingStylesheets(); | 148 document().updateLayoutIgnorePendingStylesheets(); |
149 | 149 |
150 if (charnum > getNumberOfChars()) { | 150 if (charnum > getNumberOfChars()) { |
151 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); | 151 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); |
152 return nullptr; | 152 return nullptr; |
153 } | 153 } |
154 | 154 |
155 FloatRect rect = SVGTextQuery(renderer()).extentOfCharacter(charnum); | 155 FloatRect rect = SVGTextQuery(layoutObject()).extentOfCharacter(charnum); |
156 return SVGRectTearOff::create(SVGRect::create(rect), 0, PropertyIsNotAnimVal
); | 156 return SVGRectTearOff::create(SVGRect::create(rect), 0, PropertyIsNotAnimVal
); |
157 } | 157 } |
158 | 158 |
159 float SVGTextContentElement::getRotationOfChar(unsigned charnum, ExceptionState&
exceptionState) | 159 float SVGTextContentElement::getRotationOfChar(unsigned charnum, ExceptionState&
exceptionState) |
160 { | 160 { |
161 document().updateLayoutIgnorePendingStylesheets(); | 161 document().updateLayoutIgnorePendingStylesheets(); |
162 | 162 |
163 if (charnum > getNumberOfChars()) { | 163 if (charnum > getNumberOfChars()) { |
164 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); | 164 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); |
165 return 0.0f; | 165 return 0.0f; |
166 } | 166 } |
167 | 167 |
168 return SVGTextQuery(renderer()).rotationOfCharacter(charnum); | 168 return SVGTextQuery(layoutObject()).rotationOfCharacter(charnum); |
169 } | 169 } |
170 | 170 |
171 int SVGTextContentElement::getCharNumAtPosition(PassRefPtrWillBeRawPtr<SVGPointT
earOff> point, ExceptionState& exceptionState) | 171 int SVGTextContentElement::getCharNumAtPosition(PassRefPtrWillBeRawPtr<SVGPointT
earOff> point, ExceptionState& exceptionState) |
172 { | 172 { |
173 document().updateLayoutIgnorePendingStylesheets(); | 173 document().updateLayoutIgnorePendingStylesheets(); |
174 return SVGTextQuery(renderer()).characterNumberAtPosition(point->target()->v
alue()); | 174 return SVGTextQuery(layoutObject()).characterNumberAtPosition(point->target(
)->value()); |
175 } | 175 } |
176 | 176 |
177 void SVGTextContentElement::selectSubString(unsigned charnum, unsigned nchars, E
xceptionState& exceptionState) | 177 void SVGTextContentElement::selectSubString(unsigned charnum, unsigned nchars, E
xceptionState& exceptionState) |
178 { | 178 { |
179 unsigned numberOfChars = getNumberOfChars(); | 179 unsigned numberOfChars = getNumberOfChars(); |
180 if (charnum >= numberOfChars) { | 180 if (charnum >= numberOfChars) { |
181 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); | 181 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::inde
xExceedsMaximumBound("charnum", charnum, getNumberOfChars())); |
182 return; | 182 return; |
183 } | 183 } |
184 | 184 |
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245 if (!isSupportedAttribute(attrName)) { | 245 if (!isSupportedAttribute(attrName)) { |
246 SVGGraphicsElement::svgAttributeChanged(attrName); | 246 SVGGraphicsElement::svgAttributeChanged(attrName); |
247 return; | 247 return; |
248 } | 248 } |
249 | 249 |
250 if (attrName == SVGNames::textLengthAttr) | 250 if (attrName == SVGNames::textLengthAttr) |
251 m_textLengthIsSpecifiedByUser = true; | 251 m_textLengthIsSpecifiedByUser = true; |
252 | 252 |
253 SVGElement::InvalidationGuard invalidationGuard(this); | 253 SVGElement::InvalidationGuard invalidationGuard(this); |
254 | 254 |
255 if (LayoutObject* renderer = this->renderer()) | 255 if (LayoutObject* renderer = this->layoutObject()) |
256 markForLayoutAndParentResourceInvalidation(renderer); | 256 markForLayoutAndParentResourceInvalidation(renderer); |
257 } | 257 } |
258 | 258 |
259 bool SVGTextContentElement::selfHasRelativeLengths() const | 259 bool SVGTextContentElement::selfHasRelativeLengths() const |
260 { | 260 { |
261 // Any element of the <text> subtree is advertized as using relative lengths
. | 261 // Any element of the <text> subtree is advertized as using relative lengths
. |
262 // On any window size change, we have to relayout the text subtree, as the | 262 // On any window size change, we have to relayout the text subtree, as the |
263 // effective 'on-screen' font size may change. | 263 // effective 'on-screen' font size may change. |
264 return true; | 264 return true; |
265 } | 265 } |
266 | 266 |
267 SVGTextContentElement* SVGTextContentElement::elementFromRenderer(LayoutObject*
renderer) | 267 SVGTextContentElement* SVGTextContentElement::elementFromRenderer(LayoutObject*
renderer) |
268 { | 268 { |
269 if (!renderer) | 269 if (!renderer) |
270 return 0; | 270 return 0; |
271 | 271 |
272 if (!renderer->isSVGText() && !renderer->isSVGInline()) | 272 if (!renderer->isSVGText() && !renderer->isSVGInline()) |
273 return 0; | 273 return 0; |
274 | 274 |
275 SVGElement* element = toSVGElement(renderer->node()); | 275 SVGElement* element = toSVGElement(renderer->node()); |
276 ASSERT(element); | 276 ASSERT(element); |
277 return isSVGTextContentElement(*element) ? toSVGTextContentElement(element)
: 0; | 277 return isSVGTextContentElement(*element) ? toSVGTextContentElement(element)
: 0; |
278 } | 278 } |
279 | 279 |
280 } | 280 } |
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