1 /*
2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007 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 "SVGEllipseElement.h"
25
26 #include "Attribute.h"
27 #include "FloatPoint.h"
28 #include "RenderSVGPath.h"
29 #include "RenderSVGResource.h"
30 #include "SVGLength.h"
31 #include "SVGNames.h"
32
33 namespace WebCore {
34
35 // Animated property definitions
DEFINE_ANIMATED_LENGTH(SVGEllipseElement,SVGNames::cxAttr,Cx,cx)36 DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::cxAttr, Cx, cx)
37 DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::cyAttr, Cy, cy)
38 DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::rxAttr, Rx, rx)
39 DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::ryAttr, Ry, ry)
40 DEFINE_ANIMATED_BOOLEAN(SVGEllipseElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
41
42 inline SVGEllipseElement::SVGEllipseElement(const QualifiedName& tagName, Document* document)
43 : SVGStyledTransformableElement(tagName, document)
44 , m_cx(LengthModeWidth)
45 , m_cy(LengthModeHeight)
46 , m_rx(LengthModeWidth)
47 , m_ry(LengthModeHeight)
48 {
49 }
50
create(const QualifiedName & tagName,Document * document)51 PassRefPtr<SVGEllipseElement> SVGEllipseElement::create(const QualifiedName& tagName, Document* document)
52 {
53 return adoptRef(new SVGEllipseElement(tagName, document));
54 }
55
parseMappedAttribute(Attribute * attr)56 void SVGEllipseElement::parseMappedAttribute(Attribute* attr)
57 {
58 if (attr->name() == SVGNames::cxAttr)
59 setCxBaseValue(SVGLength(LengthModeWidth, attr->value()));
60 else if (attr->name() == SVGNames::cyAttr)
61 setCyBaseValue(SVGLength(LengthModeHeight, attr->value()));
62 else if (attr->name() == SVGNames::rxAttr) {
63 setRxBaseValue(SVGLength(LengthModeWidth, attr->value()));
64 if (rxBaseValue().value(this) < 0.0)
65 document()->accessSVGExtensions()->reportError("A negative value for ellipse <rx> is not allowed");
66 } else if (attr->name() == SVGNames::ryAttr) {
67 setRyBaseValue(SVGLength(LengthModeHeight, attr->value()));
68 if (ryBaseValue().value(this) < 0.0)
69 document()->accessSVGExtensions()->reportError("A negative value for ellipse <ry> is not allowed");
70 } else {
71 if (SVGTests::parseMappedAttribute(attr))
72 return;
73 if (SVGLangSpace::parseMappedAttribute(attr))
74 return;
75 if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
76 return;
77 SVGStyledTransformableElement::parseMappedAttribute(attr);
78 }
79 }
80
svgAttributeChanged(const QualifiedName & attrName)81 void SVGEllipseElement::svgAttributeChanged(const QualifiedName& attrName)
82 {
83 SVGStyledTransformableElement::svgAttributeChanged(attrName);
84
85 bool isLengthAttribute = attrName == SVGNames::cxAttr
86 || attrName == SVGNames::cyAttr
87 || attrName == SVGNames::rxAttr
88 || attrName == SVGNames::ryAttr;
89
90 if (isLengthAttribute)
91 updateRelativeLengthsInformation();
92
93 if (SVGTests::handleAttributeChange(this, attrName))
94 return;
95
96 RenderSVGPath* renderer = static_cast<RenderSVGPath*>(this->renderer());
97 if (!renderer)
98 return;
99
100 if (isLengthAttribute) {
101 renderer->setNeedsPathUpdate();
102 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
103 return;
104 }
105
106 if (SVGLangSpace::isKnownAttribute(attrName)
107 || SVGExternalResourcesRequired::isKnownAttribute(attrName))
108 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
109 }
110
synchronizeProperty(const QualifiedName & attrName)111 void SVGEllipseElement::synchronizeProperty(const QualifiedName& attrName)
112 {
113 SVGStyledTransformableElement::synchronizeProperty(attrName);
114
115 if (attrName == anyQName()) {
116 synchronizeCx();
117 synchronizeCy();
118 synchronizeRx();
119 synchronizeRy();
120 synchronizeExternalResourcesRequired();
121 SVGTests::synchronizeProperties(this, attrName);
122 return;
123 }
124
125 if (attrName == SVGNames::cxAttr)
126 synchronizeCx();
127 else if (attrName == SVGNames::cyAttr)
128 synchronizeCy();
129 else if (attrName == SVGNames::rxAttr)
130 synchronizeRx();
131 else if (attrName == SVGNames::ryAttr)
132 synchronizeRy();
133 else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
134 synchronizeExternalResourcesRequired();
135 else if (SVGTests::isKnownAttribute(attrName))
136 SVGTests::synchronizeProperties(this, attrName);
137 }
138
attributeToPropertyTypeMap()139 AttributeToPropertyTypeMap& SVGEllipseElement::attributeToPropertyTypeMap()
140 {
141 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
142 return s_attributeToPropertyTypeMap;
143 }
144
fillAttributeToPropertyTypeMap()145 void SVGEllipseElement::fillAttributeToPropertyTypeMap()
146 {
147 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
148
149 SVGStyledTransformableElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
150 attributeToPropertyTypeMap.set(SVGNames::cxAttr, AnimatedLength);
151 attributeToPropertyTypeMap.set(SVGNames::cyAttr, AnimatedLength);
152 attributeToPropertyTypeMap.set(SVGNames::rxAttr, AnimatedLength);
153 attributeToPropertyTypeMap.set(SVGNames::ryAttr, AnimatedLength);
154 }
155
toPathData(Path & path) const156 void SVGEllipseElement::toPathData(Path& path) const
157 {
158 ASSERT(path.isEmpty());
159
160 float radiusX = rx().value(this);
161 if (radiusX <= 0)
162 return;
163
164 float radiusY = ry().value(this);
165 if (radiusY <= 0)
166 return;
167
168 path.addEllipse(FloatRect(cx().value(this) - radiusX, cy().value(this) - radiusY, radiusX * 2, radiusY * 2));
169 }
170
selfHasRelativeLengths() const171 bool SVGEllipseElement::selfHasRelativeLengths() const
172 {
173 return cx().isRelative()
174 || cy().isRelative()
175 || rx().isRelative()
176 || ry().isRelative();
177 }
178
179 }
180
181 #endif // ENABLE(SVG)
182