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
25 #if ENABLE(SVG)
26 #include "SVGCircleElement.h"
27
28 #include "FloatPoint.h"
29 #include "RenderPath.h"
30 #include "SVGLength.h"
31 #include "SVGNames.h"
32
33 namespace WebCore {
34
SVGCircleElement(const QualifiedName & tagName,Document * doc)35 SVGCircleElement::SVGCircleElement(const QualifiedName& tagName, Document* doc)
36 : SVGStyledTransformableElement(tagName, doc)
37 , SVGTests()
38 , SVGLangSpace()
39 , SVGExternalResourcesRequired()
40 , m_cx(this, SVGNames::cxAttr, LengthModeWidth)
41 , m_cy(this, SVGNames::cyAttr, LengthModeHeight)
42 , m_r(this, SVGNames::rAttr, LengthModeOther)
43 {
44 }
45
~SVGCircleElement()46 SVGCircleElement::~SVGCircleElement()
47 {
48 }
49
parseMappedAttribute(MappedAttribute * attr)50 void SVGCircleElement::parseMappedAttribute(MappedAttribute* attr)
51 {
52 if (attr->name() == SVGNames::cxAttr)
53 setCxBaseValue(SVGLength(LengthModeWidth, attr->value()));
54 else if (attr->name() == SVGNames::cyAttr)
55 setCyBaseValue(SVGLength(LengthModeHeight, attr->value()));
56 else if (attr->name() == SVGNames::rAttr) {
57 setRBaseValue(SVGLength(LengthModeOther, attr->value()));
58 if (rBaseValue().value(this) < 0.0)
59 document()->accessSVGExtensions()->reportError("A negative value for circle <r> is not allowed");
60 } else {
61 if (SVGTests::parseMappedAttribute(attr))
62 return;
63 if (SVGLangSpace::parseMappedAttribute(attr))
64 return;
65 if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
66 return;
67 SVGStyledTransformableElement::parseMappedAttribute(attr);
68 }
69 }
70
svgAttributeChanged(const QualifiedName & attrName)71 void SVGCircleElement::svgAttributeChanged(const QualifiedName& attrName)
72 {
73 SVGStyledTransformableElement::svgAttributeChanged(attrName);
74
75 if (!renderer())
76 return;
77
78 if (attrName == SVGNames::cxAttr || attrName == SVGNames::cyAttr ||
79 attrName == SVGNames::rAttr ||
80 SVGTests::isKnownAttribute(attrName) ||
81 SVGLangSpace::isKnownAttribute(attrName) ||
82 SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
83 SVGStyledTransformableElement::isKnownAttribute(attrName))
84 renderer()->setNeedsLayout(true);
85 }
86
toPathData() const87 Path SVGCircleElement::toPathData() const
88 {
89 return Path::createCircle(FloatPoint(cx().value(this), cy().value(this)), r().value(this));
90 }
91
hasRelativeValues() const92 bool SVGCircleElement::hasRelativeValues() const
93 {
94 return (cx().isRelative() || cy().isRelative() || r().isRelative());
95 }
96
97 }
98
99 #endif // ENABLE(SVG)
100