SVGRectElement.cpp revision 2fc2651226baac27029e38c9d6ef883fa32084db 
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 "SVGRectElement.h"
25
26#include "Attribute.h"
27#include "RenderSVGPath.h"
28#include "RenderSVGResource.h"
29#include "SVGLength.h"
30#include "SVGNames.h"
31
32namespace WebCore {
33
34// Animated property definitions
35DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::xAttr, X, x)
36DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::yAttr, Y, y)
37DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::widthAttr, Width, width)
38DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::heightAttr, Height, height)
39DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::rxAttr, Rx, rx)
40DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::ryAttr, Ry, ry)
41DEFINE_ANIMATED_BOOLEAN(SVGRectElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
42
43inline SVGRectElement::SVGRectElement(const QualifiedName& tagName, Document* document)
44    : SVGStyledTransformableElement(tagName, document)
45    , m_x(LengthModeWidth)
46    , m_y(LengthModeHeight)
47    , m_width(LengthModeWidth)
48    , m_height(LengthModeHeight)
49    , m_rx(LengthModeWidth)
50    , m_ry(LengthModeHeight)
51{
52}
53
54PassRefPtr<SVGRectElement> SVGRectElement::create(const QualifiedName& tagName, Document* document)
55{
56    return adoptRef(new SVGRectElement(tagName, document));
57}
58
59void SVGRectElement::parseMappedAttribute(Attribute* attr)
60{
61    if (attr->name() == SVGNames::xAttr)
62        setXBaseValue(SVGLength(LengthModeWidth, attr->value()));
63    else if (attr->name() == SVGNames::yAttr)
64        setYBaseValue(SVGLength(LengthModeHeight, attr->value()));
65    else if (attr->name() == SVGNames::rxAttr) {
66        setRxBaseValue(SVGLength(LengthModeWidth, attr->value()));
67        if (rxBaseValue().value(this) < 0.0)
68            document()->accessSVGExtensions()->reportError("A negative value for rect <rx> is not allowed");
69    } else if (attr->name() == SVGNames::ryAttr) {
70        setRyBaseValue(SVGLength(LengthModeHeight, attr->value()));
71        if (ryBaseValue().value(this) < 0.0)
72            document()->accessSVGExtensions()->reportError("A negative value for rect <ry> is not allowed");
73    } else if (attr->name() == SVGNames::widthAttr) {
74        setWidthBaseValue(SVGLength(LengthModeWidth, attr->value()));
75        if (widthBaseValue().value(this) < 0.0)
76            document()->accessSVGExtensions()->reportError("A negative value for rect <width> is not allowed");
77    } else if (attr->name() == SVGNames::heightAttr) {
78        setHeightBaseValue(SVGLength(LengthModeHeight, attr->value()));
79        if (heightBaseValue().value(this) < 0.0)
80            document()->accessSVGExtensions()->reportError("A negative value for rect <height> is not allowed");
81    } else {
82        if (SVGTests::parseMappedAttribute(attr))
83            return;
84        if (SVGLangSpace::parseMappedAttribute(attr))
85            return;
86        if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
87            return;
88        SVGStyledTransformableElement::parseMappedAttribute(attr);
89    }
90}
91
92void SVGRectElement::svgAttributeChanged(const QualifiedName& attrName)
93{
94    SVGStyledTransformableElement::svgAttributeChanged(attrName);
95
96    bool isLengthAttribute = attrName == SVGNames::xAttr
97                          || attrName == SVGNames::yAttr
98                          || attrName == SVGNames::widthAttr
99                          || attrName == SVGNames::heightAttr
100                          || attrName == SVGNames::rxAttr
101                          || attrName == SVGNames::ryAttr;
102
103    if (isLengthAttribute)
104        updateRelativeLengthsInformation();
105
106    if (SVGTests::handleAttributeChange(this, attrName))
107        return;
108
109    RenderSVGPath* renderer = static_cast<RenderSVGPath*>(this->renderer());
110    if (!renderer)
111        return;
112
113    if (SVGStyledTransformableElement::isKnownAttribute(attrName)) {
114        renderer->setNeedsTransformUpdate();
115        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
116        return;
117    }
118
119    if (isLengthAttribute) {
120        renderer->setNeedsPathUpdate();
121        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
122        return;
123    }
124
125    if (SVGLangSpace::isKnownAttribute(attrName)
126        || SVGExternalResourcesRequired::isKnownAttribute(attrName))
127        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
128}
129
130void SVGRectElement::synchronizeProperty(const QualifiedName& attrName)
131{
132    SVGStyledTransformableElement::synchronizeProperty(attrName);
133
134    if (attrName == anyQName()) {
135        synchronizeX();
136        synchronizeY();
137        synchronizeWidth();
138        synchronizeHeight();
139        synchronizeRx();
140        synchronizeRy();
141        synchronizeExternalResourcesRequired();
142        SVGTests::synchronizeProperties(this, attrName);
143        return;
144    }
145
146    if (attrName == SVGNames::xAttr)
147        synchronizeX();
148    else if (attrName == SVGNames::yAttr)
149        synchronizeY();
150    else if (attrName == SVGNames::widthAttr)
151        synchronizeWidth();
152    else if (attrName == SVGNames::heightAttr)
153        synchronizeHeight();
154    else if (attrName == SVGNames::rxAttr)
155        synchronizeRx();
156    else if (attrName == SVGNames::ryAttr)
157        synchronizeRy();
158    else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
159        synchronizeExternalResourcesRequired();
160    else if (SVGTests::isKnownAttribute(attrName))
161        SVGTests::synchronizeProperties(this, attrName);
162}
163
164AttributeToPropertyTypeMap& SVGRectElement::attributeToPropertyTypeMap()
165{
166    DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
167    return s_attributeToPropertyTypeMap;
168}
169
170void SVGRectElement::fillAttributeToPropertyTypeMap()
171{
172    AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
173
174    SVGStyledTransformableElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
175    attributeToPropertyTypeMap.set(SVGNames::xAttr, AnimatedLength);
176    attributeToPropertyTypeMap.set(SVGNames::yAttr, AnimatedLength);
177    attributeToPropertyTypeMap.set(SVGNames::widthAttr, AnimatedLength);
178    attributeToPropertyTypeMap.set(SVGNames::heightAttr, AnimatedLength);
179    attributeToPropertyTypeMap.set(SVGNames::rxAttr, AnimatedLength);
180    attributeToPropertyTypeMap.set(SVGNames::ryAttr, AnimatedLength);
181}
182
183void SVGRectElement::toPathData(Path& path) const
184{
185    ASSERT(path.isEmpty());
186
187    float widthValue = width().value(this);
188    if (widthValue <= 0)
189        return;
190
191    float heightValue = height().value(this);
192    if (heightValue <= 0)
193        return;
194
195    float xValue = x().value(this);
196    float yValue = y().value(this);
197
198    FloatRect rect(xValue, yValue, widthValue, heightValue);
199
200    bool hasRx = hasAttribute(SVGNames::rxAttr);
201    bool hasRy = hasAttribute(SVGNames::ryAttr);
202    if (hasRx || hasRy) {
203        float rxValue = rx().value(this);
204        float ryValue = ry().value(this);
205        if (!hasRx)
206            rxValue = ryValue;
207        else if (!hasRy)
208            ryValue = rxValue;
209        path.addRoundedRect(rect, FloatSize(rxValue, ryValue));
210        return;
211    }
212
213    path.addRect(rect);
214}
215
216bool SVGRectElement::selfHasRelativeLengths() const
217{
218    return x().isRelative()
219        || y().isRelative()
220        || width().isRelative()
221        || height().isRelative()
222        || rx().isRelative()
223        || ry().isRelative();
224}
225
226}
227
228#endif // ENABLE(SVG)
229