1 /*
2 * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21 #include "config.h"
22
23 #if ENABLE(SVG)
24 #include "SVGTextElement.h"
25
26 #include "AffineTransform.h"
27 #include "Attribute.h"
28 #include "FloatRect.h"
29 #include "RenderSVGResource.h"
30 #include "RenderSVGText.h"
31 #include "SVGNames.h"
32 #include "SVGRenderStyle.h"
33 #include "SVGTSpanElement.h"
34
35 namespace WebCore {
36
37 // Animated property definitions
DEFINE_ANIMATED_TRANSFORM_LIST(SVGTextElement,SVGNames::transformAttr,Transform,transform)38 DEFINE_ANIMATED_TRANSFORM_LIST(SVGTextElement, SVGNames::transformAttr, Transform, transform)
39
40 inline SVGTextElement::SVGTextElement(const QualifiedName& tagName, Document* doc)
41 : SVGTextPositioningElement(tagName, doc)
42 {
43 }
44
create(const QualifiedName & tagName,Document * document)45 PassRefPtr<SVGTextElement> SVGTextElement::create(const QualifiedName& tagName, Document* document)
46 {
47 return adoptRef(new SVGTextElement(tagName, document));
48 }
49
parseMappedAttribute(Attribute * attr)50 void SVGTextElement::parseMappedAttribute(Attribute* attr)
51 {
52 if (SVGTransformable::isKnownAttribute(attr->name())) {
53 SVGTransformList newList;
54 if (!SVGTransformable::parseTransformAttribute(newList, attr->value()))
55 newList.clear();
56
57 detachAnimatedTransformListWrappers(newList.size());
58 setTransformBaseValue(newList);
59 } else
60 SVGTextPositioningElement::parseMappedAttribute(attr);
61 }
62
nearestViewportElement() const63 SVGElement* SVGTextElement::nearestViewportElement() const
64 {
65 return SVGTransformable::nearestViewportElement(this);
66 }
67
farthestViewportElement() const68 SVGElement* SVGTextElement::farthestViewportElement() const
69 {
70 return SVGTransformable::farthestViewportElement(this);
71 }
72
getBBox(StyleUpdateStrategy styleUpdateStrategy) const73 FloatRect SVGTextElement::getBBox(StyleUpdateStrategy styleUpdateStrategy) const
74 {
75 return SVGTransformable::getBBox(this, styleUpdateStrategy);
76 }
77
getCTM(StyleUpdateStrategy styleUpdateStrategy) const78 AffineTransform SVGTextElement::getCTM(StyleUpdateStrategy styleUpdateStrategy) const
79 {
80 return SVGLocatable::computeCTM(this, SVGLocatable::NearestViewportScope, styleUpdateStrategy);
81 }
82
getScreenCTM(StyleUpdateStrategy styleUpdateStrategy) const83 AffineTransform SVGTextElement::getScreenCTM(StyleUpdateStrategy styleUpdateStrategy) const
84 {
85 return SVGLocatable::computeCTM(this, SVGLocatable::ScreenScope, styleUpdateStrategy);
86 }
87
animatedLocalTransform() const88 AffineTransform SVGTextElement::animatedLocalTransform() const
89 {
90 AffineTransform matrix;
91 transform().concatenate(matrix);
92 if (m_supplementalTransform)
93 matrix *= *m_supplementalTransform;
94 return matrix;
95 }
96
supplementalTransform()97 AffineTransform* SVGTextElement::supplementalTransform()
98 {
99 if (!m_supplementalTransform)
100 m_supplementalTransform.set(new AffineTransform());
101 return m_supplementalTransform.get();
102 }
103
createRenderer(RenderArena * arena,RenderStyle *)104 RenderObject* SVGTextElement::createRenderer(RenderArena* arena, RenderStyle*)
105 {
106 return new (arena) RenderSVGText(this);
107 }
108
childShouldCreateRenderer(Node * child) const109 bool SVGTextElement::childShouldCreateRenderer(Node* child) const
110 {
111 if (child->isTextNode()
112 || child->hasTagName(SVGNames::aTag)
113 #if ENABLE(SVG_FONTS)
114 || child->hasTagName(SVGNames::altGlyphTag)
115 #endif
116 || child->hasTagName(SVGNames::textPathTag)
117 || child->hasTagName(SVGNames::trefTag)
118 || child->hasTagName(SVGNames::tspanTag))
119 return true;
120
121 return false;
122 }
123
svgAttributeChanged(const QualifiedName & attrName)124 void SVGTextElement::svgAttributeChanged(const QualifiedName& attrName)
125 {
126 SVGTextPositioningElement::svgAttributeChanged(attrName);
127
128 RenderObject* renderer = this->renderer();
129 if (!renderer)
130 return;
131
132 if (SVGTransformable::isKnownAttribute(attrName)) {
133 renderer->setNeedsTransformUpdate();
134 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
135 }
136 }
137
synchronizeProperty(const QualifiedName & attrName)138 void SVGTextElement::synchronizeProperty(const QualifiedName& attrName)
139 {
140 SVGTextPositioningElement::synchronizeProperty(attrName);
141
142 if (attrName == anyQName() || SVGTransformable::isKnownAttribute(attrName))
143 synchronizeTransform();
144 }
145
attributeToPropertyTypeMap()146 AttributeToPropertyTypeMap& SVGTextElement::attributeToPropertyTypeMap()
147 {
148 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
149 return s_attributeToPropertyTypeMap;
150 }
151
fillAttributeToPropertyTypeMap()152 void SVGTextElement::fillAttributeToPropertyTypeMap()
153 {
154 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
155
156 SVGTextPositioningElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
157 attributeToPropertyTypeMap.set(SVGNames::transformAttr, AnimatedTransformList);
158 }
159
160 }
161
162 #endif // ENABLE(SVG)
163