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 "SVGLineElement.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(SVGLineElement,SVGNames::x1Attr,X1,x1)36 DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::x1Attr, X1, x1)
37 DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::y1Attr, Y1, y1)
38 DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::x2Attr, X2, x2)
39 DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::y2Attr, Y2, y2)
40 DEFINE_ANIMATED_BOOLEAN(SVGLineElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
41
42 inline SVGLineElement::SVGLineElement(const QualifiedName& tagName, Document* document)
43 : SVGStyledTransformableElement(tagName, document)
44 , m_x1(LengthModeWidth)
45 , m_y1(LengthModeHeight)
46 , m_x2(LengthModeWidth)
47 , m_y2(LengthModeHeight)
48 {
49 }
50
create(const QualifiedName & tagName,Document * document)51 PassRefPtr<SVGLineElement> SVGLineElement::create(const QualifiedName& tagName, Document* document)
52 {
53 return adoptRef(new SVGLineElement(tagName, document));
54 }
55
parseMappedAttribute(Attribute * attr)56 void SVGLineElement::parseMappedAttribute(Attribute* attr)
57 {
58 if (attr->name() == SVGNames::x1Attr)
59 setX1BaseValue(SVGLength(LengthModeWidth, attr->value()));
60 else if (attr->name() == SVGNames::y1Attr)
61 setY1BaseValue(SVGLength(LengthModeHeight, attr->value()));
62 else if (attr->name() == SVGNames::x2Attr)
63 setX2BaseValue(SVGLength(LengthModeWidth, attr->value()));
64 else if (attr->name() == SVGNames::y2Attr)
65 setY2BaseValue(SVGLength(LengthModeHeight, attr->value()));
66 else {
67 if (SVGTests::parseMappedAttribute(attr))
68 return;
69 if (SVGLangSpace::parseMappedAttribute(attr))
70 return;
71 if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
72 return;
73 SVGStyledTransformableElement::parseMappedAttribute(attr);
74 }
75 }
76
svgAttributeChanged(const QualifiedName & attrName)77 void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
78 {
79 SVGStyledTransformableElement::svgAttributeChanged(attrName);
80
81 bool isLengthAttribute = attrName == SVGNames::x1Attr
82 || attrName == SVGNames::y1Attr
83 || attrName == SVGNames::x2Attr
84 || attrName == SVGNames::y2Attr;
85
86 if (isLengthAttribute)
87 updateRelativeLengthsInformation();
88
89 if (SVGTests::handleAttributeChange(this, attrName))
90 return;
91
92 RenderSVGPath* renderer = static_cast<RenderSVGPath*>(this->renderer());
93 if (!renderer)
94 return;
95
96 if (isLengthAttribute) {
97 renderer->setNeedsPathUpdate();
98 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
99 return;
100 }
101
102 if (SVGLangSpace::isKnownAttribute(attrName)
103 || SVGExternalResourcesRequired::isKnownAttribute(attrName))
104 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
105 }
106
synchronizeProperty(const QualifiedName & attrName)107 void SVGLineElement::synchronizeProperty(const QualifiedName& attrName)
108 {
109 SVGStyledTransformableElement::synchronizeProperty(attrName);
110
111 if (attrName == anyQName()) {
112 synchronizeX1();
113 synchronizeY1();
114 synchronizeX2();
115 synchronizeY2();
116 synchronizeExternalResourcesRequired();
117 SVGTests::synchronizeProperties(this, attrName);
118 return;
119 }
120
121 if (attrName == SVGNames::x1Attr)
122 synchronizeX1();
123 else if (attrName == SVGNames::y1Attr)
124 synchronizeY1();
125 else if (attrName == SVGNames::x2Attr)
126 synchronizeX2();
127 else if (attrName == SVGNames::y2Attr)
128 synchronizeY2();
129 else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
130 synchronizeExternalResourcesRequired();
131 else if (SVGTests::isKnownAttribute(attrName))
132 SVGTests::synchronizeProperties(this, attrName);
133 }
134
attributeToPropertyTypeMap()135 AttributeToPropertyTypeMap& SVGLineElement::attributeToPropertyTypeMap()
136 {
137 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
138 return s_attributeToPropertyTypeMap;
139 }
140
fillAttributeToPropertyTypeMap()141 void SVGLineElement::fillAttributeToPropertyTypeMap()
142 {
143 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
144
145 SVGStyledTransformableElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
146 attributeToPropertyTypeMap.set(SVGNames::x1Attr, AnimatedLength);
147 attributeToPropertyTypeMap.set(SVGNames::y1Attr, AnimatedLength);
148 attributeToPropertyTypeMap.set(SVGNames::x2Attr, AnimatedLength);
149 attributeToPropertyTypeMap.set(SVGNames::y2Attr, AnimatedLength);
150 }
151
toPathData(Path & path) const152 void SVGLineElement::toPathData(Path& path) const
153 {
154 ASSERT(path.isEmpty());
155
156 path.moveTo(FloatPoint(x1().value(this), y1().value(this)));
157 path.addLineTo(FloatPoint(x2().value(this), y2().value(this)));
158 }
159
selfHasRelativeLengths() const160 bool SVGLineElement::selfHasRelativeLengths() const
161 {
162 return x1().isRelative()
163 || y1().isRelative()
164 || x2().isRelative()
165 || y2().isRelative();
166 }
167
168 }
169
170 #endif // ENABLE(SVG)
171