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KHTML

SVGPolyElement.cpp

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00001 /*
00002     Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
00003                   2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
00004 
00005     This file is part of the KDE project
00006 
00007     This library is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU Library General Public
00009     License as published by the Free Software Foundation; either
00010     version 2 of the License, or (at your option) any later version.
00011 
00012     This library is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     Library General Public License for more details.
00016 
00017     You should have received a copy of the GNU Library General Public License
00018     along with this library; see the file COPYING.LIB.  If not, write to
00019     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020     Boston, MA 02110-1301, USA.
00021 */
00022 
00023 #include "config.h"
00024 #include "wtf/Platform.h"
00025 
00026 #if ENABLE(SVG)
00027 #include "SVGPolyElement.h"
00028 
00029 #include "Document.h"
00030 #include "FloatPoint.h"
00031 #include "RenderPath.h"
00032 #include "SVGNames.h"
00033 #include "SVGParserUtilities.h"
00034 #include "SVGPointList.h"
00035 
00036 namespace WebCore {
00037 
00038 SVGPolyElement::SVGPolyElement(const QualifiedName& tagName, Document* doc)
00039     : SVGStyledTransformableElement(tagName, doc)
00040     , SVGTests()
00041     , SVGLangSpace()
00042     , SVGExternalResourcesRequired()
00043     , SVGAnimatedPoints()
00044     , m_ignoreAttributeChanges(false)
00045 {
00046 }
00047 
00048 SVGPolyElement::~SVGPolyElement()
00049 {
00050 }
00051 
00052 SVGPointList* SVGPolyElement::points() const
00053 {
00054     if (!m_points)
00055         m_points = SVGPointList::create(SVGNames::pointsAttr);
00056 
00057     return m_points.get();
00058 }
00059 
00060 SVGPointList* SVGPolyElement::animatedPoints() const
00061 {
00062     // FIXME!
00063     return 0;
00064 }
00065 
00066 void SVGPolyElement::parseMappedAttribute(MappedAttribute* attr)
00067 {
00068     const AtomicString& value = attr->value();
00069     if (attr->name() == SVGNames::pointsAttr) {
00070         ExceptionCode ec = 0;
00071         points()->clear(ec);
00072 
00073         if (!pointsListFromSVGData(points(), value)) {
00074             points()->clear(ec);
00075             /*FIXME khtml document()->accessSVGExtensions()->reportError("Problem parsing points=\"" + value.string() + "\"");*/
00076         }
00077     } else {
00078         if (SVGTests::parseMappedAttribute(attr))
00079             return;
00080         if (SVGLangSpace::parseMappedAttribute(attr))
00081             return;
00082         if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
00083             return;
00084         SVGStyledTransformableElement::parseMappedAttribute(attr);
00085     }
00086 }
00087 
00088 void SVGPolyElement::svgAttributeChanged(const QualifiedName& attrName)
00089 {
00090     if (m_ignoreAttributeChanges)
00091         return;
00092 
00093     SVGStyledTransformableElement::svgAttributeChanged(attrName);
00094 
00095     if (!renderer())
00096         return;
00097 
00098     if (attrName == SVGNames::pointsAttr) {
00099         m_ignoreAttributeChanges = true;
00100         renderer()->setNeedsLayout(true);
00101 
00102         ExceptionCode ec = 0;
00103 
00104         // Spec: Additionally, the 'points' attribute on the original element
00105         // accessed via the XML DOM (e.g., using the getAttribute() method call)
00106         // will reflect any changes made to points.
00107         kDebug() << "fixme!!!!!!!!!" << endl;
00108         /*FIXME KHTML String _points;
00109         int len = points()->numberOfItems();
00110         for (int i = 0; i < len; ++i) {
00111             FloatPoint p = points()->getItem(i, ec);
00112             _points += String::format("%.6lg %.6lg ", p.x(), p.y());
00113         }
00114 
00115         if (RefPtr<Attr> attr = const_cast<SVGPolyElement*>(this)->getAttributeNode(SVGNames::pointsAttr.localName())) {
00116             ExceptionCode ec = 0;
00117             attr->setValue(_points, ec);
00118         }*/
00119 
00120         m_ignoreAttributeChanges = false;
00121         return;
00122     }
00123 
00124     if (SVGTests::isKnownAttribute(attrName) ||
00125         SVGLangSpace::isKnownAttribute(attrName) ||
00126         SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
00127         SVGStyledTransformableElement::isKnownAttribute(attrName))
00128         renderer()->setNeedsLayout(true);
00129 }
00130 
00131 }
00132 
00133 #endif // ENABLE(SVG)

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