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SVGEllipseElement.cpp
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1/*
2 Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4
5 This file is part of the KDE project
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public
9 License as published by the Free Software Foundation; either
10 version 2 of the License, or (at your option) any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Library General Public License for more details.
16
17 You should have received a copy of the GNU Library General Public License
18 along with this library; see the file COPYING.LIB. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA.
21*/
22
23#include "config.h"
24#include "wtf/Platform.h"
25
26#if ENABLE(SVG)
27#include "SVGEllipseElement.h"
28
29#include "FloatPoint.h"
30#include "RenderPath.h"
31#include "SVGLength.h"
32#include "SVGNames.h"
33
34namespace WebCore {
35
36SVGEllipseElement::SVGEllipseElement(const QualifiedName& tagName, Document* doc)
37 : SVGStyledTransformableElement(tagName, doc)
38 , SVGTests()
39 , SVGLangSpace()
40 , SVGExternalResourcesRequired()
41 , m_cx(this, LengthModeWidth)
42 , m_cy(this, LengthModeHeight)
43 , m_rx(this, LengthModeWidth)
44 , m_ry(this, LengthModeHeight)
45{
46}
47
48SVGEllipseElement::~SVGEllipseElement()
49{
50}
51
52ANIMATED_PROPERTY_DEFINITIONS(SVGEllipseElement, SVGLength, Length, length, Cx, cx, SVGNames::cxAttr, m_cx)
53ANIMATED_PROPERTY_DEFINITIONS(SVGEllipseElement, SVGLength, Length, length, Cy, cy, SVGNames::cyAttr, m_cy)
54ANIMATED_PROPERTY_DEFINITIONS(SVGEllipseElement, SVGLength, Length, length, Rx, rx, SVGNames::rxAttr, m_rx)
55ANIMATED_PROPERTY_DEFINITIONS(SVGEllipseElement, SVGLength, Length, length, Ry, ry, SVGNames::ryAttr, m_ry)
56
57void SVGEllipseElement::parseMappedAttribute(MappedAttribute* attr)
58{
59 if (attr->name() == SVGNames::cxAttr)
60 setCxBaseValue(SVGLength(this, LengthModeWidth, attr->value()));
61 else if (attr->name() == SVGNames::cyAttr)
62 setCyBaseValue(SVGLength(this, LengthModeHeight, attr->value()));
63 else if (attr->name() == SVGNames::rxAttr) {
64 setRxBaseValue(SVGLength(this, LengthModeWidth, attr->value()));
65 if (rx().value() < 0.0)
66 document()->accessSVGExtensions()->reportError("A negative value for ellipse <rx> is not allowed");
67 } else if (attr->name() == SVGNames::ryAttr) {
68 setRyBaseValue(SVGLength(this, LengthModeHeight, attr->value()));
69 if (ry().value() < 0.0)
70 document()->accessSVGExtensions()->reportError("A negative value for ellipse <ry> is not allowed");
71 } else {
72 if (SVGTests::parseMappedAttribute(attr))
73 return;
74 if (SVGLangSpace::parseMappedAttribute(attr))
75 return;
76 if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
77 return;
78 SVGStyledTransformableElement::parseMappedAttribute(attr);
79 }
80}
81
82void SVGEllipseElement::svgAttributeChanged(const QualifiedName& attrName)
83{
84 SVGStyledTransformableElement::svgAttributeChanged(attrName);
85
86 if (!renderer())
87 return;
88
89 if (attrName == SVGNames::cxAttr || attrName == SVGNames::cyAttr ||
90 attrName == SVGNames::rxAttr || attrName == SVGNames::ryAttr ||
91 SVGTests::isKnownAttribute(attrName) ||
92 SVGLangSpace::isKnownAttribute(attrName) ||
93 SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
94 SVGStyledTransformableElement::isKnownAttribute(attrName))
95 renderer()->setNeedsLayout(true);
96}
97
98Path SVGEllipseElement::toPathData() const
99{
100 return Path::createEllipse(FloatPoint(cx().value(), cy().value()),
101 rx().value(), ry().value());
102}
103
104bool SVGEllipseElement::hasRelativeValues() const
105{
106 return (cx().isRelative() || cy().isRelative() ||
107 rx().isRelative() || ry().isRelative());
108}
109
110// KHTML ElementImpl pure virtual method
111quint32 SVGEllipseElement::id() const
112{
113 return SVGNames::ellipseTag.id();
114}
115
116}
117
118#endif // ENABLE(SVG)
FloatPoint.h
SVGEllipseElement.h
SVGLength.h
SVGNames.h
WebCore
Definition: CSSHelper.h:7
WebCore::Path
khtml::Path Path
Definition: PathTraversalState.h:37
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