1 /*
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #include "config.h"
23
24 #if ENABLE(SVG)
25 #include "SVGMarkerElement.h"
26
27 #include "Attribute.h"
28 #include "RenderSVGResourceMarker.h"
29 #include "SVGFitToViewBox.h"
30 #include "SVGNames.h"
31 #include "SVGSVGElement.h"
32
33 namespace WebCore {
34
35 // Animated property definitions
DEFINE_ANIMATED_LENGTH(SVGMarkerElement,SVGNames::refXAttr,RefX,refX)36 DEFINE_ANIMATED_LENGTH(SVGMarkerElement, SVGNames::refXAttr, RefX, refX)
37 DEFINE_ANIMATED_LENGTH(SVGMarkerElement, SVGNames::refYAttr, RefY, refY)
38 DEFINE_ANIMATED_LENGTH(SVGMarkerElement, SVGNames::markerWidthAttr, MarkerWidth, markerWidth)
39 DEFINE_ANIMATED_LENGTH(SVGMarkerElement, SVGNames::markerHeightAttr, MarkerHeight, markerHeight)
40 DEFINE_ANIMATED_ENUMERATION(SVGMarkerElement, SVGNames::markerUnitsAttr, MarkerUnits, markerUnits)
41 DEFINE_ANIMATED_ENUMERATION_MULTIPLE_WRAPPERS(SVGMarkerElement, SVGNames::orientAttr, orientTypeIdentifier(), OrientType, orientType)
42 DEFINE_ANIMATED_ANGLE_MULTIPLE_WRAPPERS(SVGMarkerElement, SVGNames::orientAttr, orientAngleIdentifier(), OrientAngle, orientAngle)
43 DEFINE_ANIMATED_BOOLEAN(SVGMarkerElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
44 DEFINE_ANIMATED_RECT(SVGMarkerElement, SVGNames::viewBoxAttr, ViewBox, viewBox)
45 DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGMarkerElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
46
47 inline SVGMarkerElement::SVGMarkerElement(const QualifiedName& tagName, Document* document)
48 : SVGStyledElement(tagName, document)
49 , m_refX(LengthModeWidth)
50 , m_refY(LengthModeHeight)
51 , m_markerWidth(LengthModeWidth, "3")
52 , m_markerHeight(LengthModeHeight, "3")
53 , m_markerUnits(SVG_MARKERUNITS_STROKEWIDTH)
54 , m_orientType(SVG_MARKER_ORIENT_ANGLE)
55 {
56 // Spec: If the markerWidth/markerHeight attribute is not specified, the effect is as if a value of "3" were specified.
57 }
58
create(const QualifiedName & tagName,Document * document)59 PassRefPtr<SVGMarkerElement> SVGMarkerElement::create(const QualifiedName& tagName, Document* document)
60 {
61 return adoptRef(new SVGMarkerElement(tagName, document));
62 }
63
orientTypeIdentifier()64 const AtomicString& SVGMarkerElement::orientTypeIdentifier()
65 {
66 DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGOrientType"));
67 return s_identifier;
68 }
69
orientAngleIdentifier()70 const AtomicString& SVGMarkerElement::orientAngleIdentifier()
71 {
72 DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGOrientAngle"));
73 return s_identifier;
74 }
75
viewBoxToViewTransform(float viewWidth,float viewHeight) const76 AffineTransform SVGMarkerElement::viewBoxToViewTransform(float viewWidth, float viewHeight) const
77 {
78 return SVGFitToViewBox::viewBoxToViewTransform(viewBox(), preserveAspectRatio(), viewWidth, viewHeight);
79 }
80
parseMappedAttribute(Attribute * attr)81 void SVGMarkerElement::parseMappedAttribute(Attribute* attr)
82 {
83 if (attr->name() == SVGNames::markerUnitsAttr) {
84 if (attr->value() == "userSpaceOnUse")
85 setMarkerUnitsBaseValue(SVG_MARKERUNITS_USERSPACEONUSE);
86 else if (attr->value() == "strokeWidth")
87 setMarkerUnitsBaseValue(SVG_MARKERUNITS_STROKEWIDTH);
88 } else if (attr->name() == SVGNames::refXAttr)
89 setRefXBaseValue(SVGLength(LengthModeWidth, attr->value()));
90 else if (attr->name() == SVGNames::refYAttr)
91 setRefYBaseValue(SVGLength(LengthModeHeight, attr->value()));
92 else if (attr->name() == SVGNames::markerWidthAttr)
93 setMarkerWidthBaseValue(SVGLength(LengthModeWidth, attr->value()));
94 else if (attr->name() == SVGNames::markerHeightAttr)
95 setMarkerHeightBaseValue(SVGLength(LengthModeHeight, attr->value()));
96 else if (attr->name() == SVGNames::orientAttr) {
97 SVGAngle angle;
98
99 if (attr->value() == "auto")
100 setOrientTypeBaseValue(SVG_MARKER_ORIENT_AUTO);
101 else {
102 ExceptionCode ec = 0;
103 angle.setValueAsString(attr->value(), ec);
104 setOrientTypeBaseValue(SVG_MARKER_ORIENT_ANGLE);
105 }
106
107 setOrientAngleBaseValue(angle);
108 } else {
109 if (SVGLangSpace::parseMappedAttribute(attr))
110 return;
111 if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
112 return;
113 if (SVGFitToViewBox::parseMappedAttribute(document(), attr))
114 return;
115
116 SVGStyledElement::parseMappedAttribute(attr);
117 }
118 }
119
svgAttributeChanged(const QualifiedName & attrName)120 void SVGMarkerElement::svgAttributeChanged(const QualifiedName& attrName)
121 {
122 SVGStyledElement::svgAttributeChanged(attrName);
123
124 bool invalidateClients = false;
125 if (attrName == SVGNames::refXAttr
126 || attrName == SVGNames::refYAttr
127 || attrName == SVGNames::markerWidthAttr
128 || attrName == SVGNames::markerHeightAttr) {
129 invalidateClients = true;
130 updateRelativeLengthsInformation();
131 }
132
133 RenderObject* object = renderer();
134 if (!object)
135 return;
136
137 if (invalidateClients
138 || attrName == SVGNames::markerUnitsAttr
139 || attrName == SVGNames::orientAttr
140 || SVGLangSpace::isKnownAttribute(attrName)
141 || SVGExternalResourcesRequired::isKnownAttribute(attrName)
142 || SVGFitToViewBox::isKnownAttribute(attrName)
143 || SVGStyledElement::isKnownAttribute(attrName))
144 object->setNeedsLayout(true);
145 }
146
synchronizeProperty(const QualifiedName & attrName)147 void SVGMarkerElement::synchronizeProperty(const QualifiedName& attrName)
148 {
149 SVGStyledElement::synchronizeProperty(attrName);
150
151 if (attrName == anyQName()) {
152 synchronizeMarkerUnits();
153 synchronizeRefX();
154 synchronizeRefY();
155 synchronizeMarkerWidth();
156 synchronizeMarkerHeight();
157 synchronizeOrientAngle();
158 synchronizeOrientType();
159 synchronizeExternalResourcesRequired();
160 synchronizeViewBox();
161 synchronizePreserveAspectRatio();
162 return;
163 }
164
165 if (attrName == SVGNames::markerUnitsAttr)
166 synchronizeMarkerUnits();
167 else if (attrName == SVGNames::refXAttr)
168 synchronizeRefX();
169 else if (attrName == SVGNames::refYAttr)
170 synchronizeRefY();
171 else if (attrName == SVGNames::markerWidthAttr)
172 synchronizeMarkerWidth();
173 else if (attrName == SVGNames::markerHeightAttr)
174 synchronizeMarkerHeight();
175 else if (attrName == SVGNames::orientAttr) {
176 synchronizeOrientAngle();
177 synchronizeOrientType();
178 } else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
179 synchronizeExternalResourcesRequired();
180 else if (SVGFitToViewBox::isKnownAttribute(attrName)) {
181 synchronizeViewBox();
182 synchronizePreserveAspectRatio();
183 }
184 }
185
attributeToPropertyTypeMap()186 AttributeToPropertyTypeMap& SVGMarkerElement::attributeToPropertyTypeMap()
187 {
188 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
189 return s_attributeToPropertyTypeMap;
190 }
191
fillAttributeToPropertyTypeMap()192 void SVGMarkerElement::fillAttributeToPropertyTypeMap()
193 {
194 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
195
196 SVGStyledElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
197 attributeToPropertyTypeMap.set(SVGNames::refXAttr, AnimatedLength);
198 attributeToPropertyTypeMap.set(SVGNames::refYAttr, AnimatedLength);
199 attributeToPropertyTypeMap.set(SVGNames::markerWidthAttr, AnimatedLength);
200 attributeToPropertyTypeMap.set(SVGNames::markerHeightAttr, AnimatedLength);
201 attributeToPropertyTypeMap.set(SVGNames::markerUnitsAttr, AnimatedEnumeration);
202 attributeToPropertyTypeMap.set(SVGNames::orientAttr, AnimatedAngle);
203 attributeToPropertyTypeMap.set(SVGNames::viewBoxAttr, AnimatedRect);
204 }
205
childrenChanged(bool changedByParser,Node * beforeChange,Node * afterChange,int childCountDelta)206 void SVGMarkerElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
207 {
208 SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
209
210 if (changedByParser)
211 return;
212
213 if (RenderObject* object = renderer())
214 object->setNeedsLayout(true);
215 }
216
setOrientToAuto()217 void SVGMarkerElement::setOrientToAuto()
218 {
219 setOrientTypeBaseValue(SVG_MARKER_ORIENT_AUTO);
220 setOrientAngleBaseValue(SVGAngle());
221
222 if (RenderObject* object = renderer())
223 object->setNeedsLayout(true);
224 }
225
setOrientToAngle(const SVGAngle & angle)226 void SVGMarkerElement::setOrientToAngle(const SVGAngle& angle)
227 {
228 setOrientTypeBaseValue(SVG_MARKER_ORIENT_ANGLE);
229 setOrientAngleBaseValue(angle);
230
231 if (RenderObject* object = renderer())
232 object->setNeedsLayout(true);
233 }
234
createRenderer(RenderArena * arena,RenderStyle *)235 RenderObject* SVGMarkerElement::createRenderer(RenderArena* arena, RenderStyle*)
236 {
237 return new (arena) RenderSVGResourceMarker(this);
238 }
239
selfHasRelativeLengths() const240 bool SVGMarkerElement::selfHasRelativeLengths() const
241 {
242 return refX().isRelative()
243 || refY().isRelative()
244 || markerWidth().isRelative()
245 || markerHeight().isRelative();
246 }
247
248 }
249
250 #endif
251