1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/*
* Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#if ENABLE(SVG)
#include "SVGTextElement.h"
#include "AffineTransform.h"
#include "Attribute.h"
#include "FloatRect.h"
#include "NodeRenderingContext.h"
#include "RenderSVGResource.h"
#include "RenderSVGText.h"
#include "SVGElementInstance.h"
#include "SVGNames.h"
#include "SVGRenderStyle.h"
#include "SVGTSpanElement.h"
namespace WebCore {
// Animated property definitions
DEFINE_ANIMATED_TRANSFORM_LIST(SVGTextElement, SVGNames::transformAttr, Transform, transform)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGTextElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(transform)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTextPositioningElement)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGTextElement::SVGTextElement(const QualifiedName& tagName, Document* doc)
: SVGTextPositioningElement(tagName, doc)
{
ASSERT(hasTagName(SVGNames::textTag));
registerAnimatedPropertiesForSVGTextElement();
}
PassRefPtr<SVGTextElement> SVGTextElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGTextElement(tagName, document));
}
bool SVGTextElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty())
supportedAttributes.add(SVGNames::transformAttr);
return supportedAttributes.contains<QualifiedName, SVGAttributeHashTranslator>(attrName);
}
void SVGTextElement::parseAttribute(const Attribute& attribute)
{
if (!isSupportedAttribute(attribute.name())) {
SVGTextPositioningElement::parseAttribute(attribute);
return;
}
if (attribute.name() == SVGNames::transformAttr) {
SVGTransformList newList;
newList.parse(attribute.value());
detachAnimatedTransformListWrappers(newList.size());
setTransformBaseValue(newList);
return;
}
ASSERT_NOT_REACHED();
}
SVGElement* SVGTextElement::nearestViewportElement() const
{
return SVGTransformable::nearestViewportElement(this);
}
SVGElement* SVGTextElement::farthestViewportElement() const
{
return SVGTransformable::farthestViewportElement(this);
}
FloatRect SVGTextElement::getBBox(StyleUpdateStrategy styleUpdateStrategy)
{
return SVGTransformable::getBBox(this, styleUpdateStrategy);
}
AffineTransform SVGTextElement::getCTM(StyleUpdateStrategy styleUpdateStrategy)
{
return SVGLocatable::computeCTM(this, SVGLocatable::NearestViewportScope, styleUpdateStrategy);
}
AffineTransform SVGTextElement::getScreenCTM(StyleUpdateStrategy styleUpdateStrategy)
{
return SVGLocatable::computeCTM(this, SVGLocatable::ScreenScope, styleUpdateStrategy);
}
AffineTransform SVGTextElement::animatedLocalTransform() const
{
AffineTransform matrix;
RenderStyle* style = renderer() ? renderer()->style() : 0;
// if CSS property was set, use that, otherwise fallback to attribute (if set)
if (style && style->hasTransform()) {
TransformationMatrix t;
// For now, the transform-origin is not taken into account
// Also, any percentage values will not be taken into account
style->applyTransform(t, IntSize(0, 0), RenderStyle::ExcludeTransformOrigin);
// Flatten any 3D transform
matrix = t.toAffineTransform();
} else
transform().concatenate(matrix);
if (m_supplementalTransform)
return *m_supplementalTransform * matrix;
return matrix;
}
AffineTransform* SVGTextElement::supplementalTransform()
{
if (!m_supplementalTransform)
m_supplementalTransform = adoptPtr(new AffineTransform);
return m_supplementalTransform.get();
}
RenderObject* SVGTextElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderSVGText(this);
}
bool SVGTextElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const
{
if (childContext.node()->isTextNode()
|| childContext.node()->hasTagName(SVGNames::aTag)
#if ENABLE(SVG_FONTS)
|| childContext.node()->hasTagName(SVGNames::altGlyphTag)
#endif
|| childContext.node()->hasTagName(SVGNames::textPathTag)
|| childContext.node()->hasTagName(SVGNames::trefTag)
|| childContext.node()->hasTagName(SVGNames::tspanTag))
return true;
return false;
}
void SVGTextElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGTextPositioningElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
RenderObject* renderer = this->renderer();
if (!renderer)
return;
if (attrName == SVGNames::transformAttr) {
renderer->setNeedsTransformUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
return;
}
ASSERT_NOT_REACHED();
}
}
#endif // ENABLE(SVG)
|
