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
|
/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 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"
#include "core/svg/SVGLineElement.h"
#include "core/rendering/svg/RenderSVGShape.h"
#include "core/svg/SVGLength.h"
namespace blink {
inline SVGLineElement::SVGLineElement(Document& document)
: SVGGeometryElement(SVGNames::lineTag, document)
, m_x1(SVGAnimatedLength::create(this, SVGNames::x1Attr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
, m_y1(SVGAnimatedLength::create(this, SVGNames::y1Attr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
, m_x2(SVGAnimatedLength::create(this, SVGNames::x2Attr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
, m_y2(SVGAnimatedLength::create(this, SVGNames::y2Attr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
{
addToPropertyMap(m_x1);
addToPropertyMap(m_y1);
addToPropertyMap(m_x2);
addToPropertyMap(m_y2);
}
void SVGLineElement::trace(Visitor* visitor)
{
visitor->trace(m_x1);
visitor->trace(m_y1);
visitor->trace(m_x2);
visitor->trace(m_y2);
SVGGeometryElement::trace(visitor);
}
DEFINE_NODE_FACTORY(SVGLineElement)
bool SVGLineElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
supportedAttributes.add(SVGNames::x1Attr);
supportedAttributes.add(SVGNames::x2Attr);
supportedAttributes.add(SVGNames::y1Attr);
supportedAttributes.add(SVGNames::y2Attr);
}
return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
}
void SVGLineElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
parseAttributeNew(name, value);
}
void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGGeometryElement::svgAttributeChanged(attrName);
return;
}
SVGElement::InvalidationGuard invalidationGuard(this);
bool isLengthAttribute = attrName == SVGNames::x1Attr
|| attrName == SVGNames::y1Attr
|| attrName == SVGNames::x2Attr
|| attrName == SVGNames::y2Attr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
if (!renderer)
return;
if (isLengthAttribute) {
renderer->setNeedsShapeUpdate();
markForLayoutAndParentResourceInvalidation(renderer);
return;
}
ASSERT_NOT_REACHED();
}
bool SVGLineElement::selfHasRelativeLengths() const
{
return m_x1->currentValue()->isRelative()
|| m_y1->currentValue()->isRelative()
|| m_x2->currentValue()->isRelative()
|| m_y2->currentValue()->isRelative();
}
} // namespace blink
|
