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SVGZoomAndPan.cpp

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00001 /*
00002     Copyright (C) 2004, 2005, 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 "SVGZoomAndPan.h"
00028 
00029 //#include "MappedAttribute.h"
00030 #include "SVGNames.h"
00031 #include "SVGParserUtilities.h"
00032 
00033 namespace WebCore {
00034 
00035 SVGZoomAndPan::SVGZoomAndPan()
00036     : m_zoomAndPan(SVG_ZOOMANDPAN_MAGNIFY)
00037 {
00038 }
00039 
00040 SVGZoomAndPan::~SVGZoomAndPan()
00041 {
00042 }
00043 
00044 unsigned short SVGZoomAndPan::zoomAndPan() const
00045 {
00046     return m_zoomAndPan;
00047 }
00048 
00049 void SVGZoomAndPan::setZoomAndPan(unsigned short zoomAndPan)
00050 {
00051     m_zoomAndPan = zoomAndPan;
00052 }
00053 
00054 bool SVGZoomAndPan::parseMappedAttribute(MappedAttribute* attr)
00055 {
00056     if (attr->name() == SVGNames::zoomAndPanAttr) {
00057         const UChar* start = attr->value().characters();
00058         const UChar* end = start + attr->value().length();
00059         parseZoomAndPan(start, end);
00060         return true;
00061     }
00062 
00063     return false;
00064 }
00065 
00066 bool SVGZoomAndPan::isKnownAttribute(const QualifiedName& attrName)
00067 {
00068     return attrName == SVGNames::zoomAndPanAttr;
00069 }
00070 
00071 static const UChar disable[] =  {'d', 'i', 's', 'a', 'b', 'l', 'e'};
00072 static const UChar magnify[] =  {'m', 'a', 'g', 'n', 'i', 'f', 'y'};
00073 
00074 bool SVGZoomAndPan::parseZoomAndPan(const UChar*& start, const UChar* end)
00075 {
00076     if (skipString(start, end, disable, sizeof(disable) / sizeof(UChar)))
00077         setZoomAndPan(SVG_ZOOMANDPAN_DISABLE);
00078     else if (skipString(start, end, magnify, sizeof(magnify) / sizeof(UChar)))
00079         setZoomAndPan(SVG_ZOOMANDPAN_MAGNIFY);
00080     else
00081         return false;
00082 
00083     return true;
00084 }
00085 
00086 }
00087 
00088 #endif // ENABLE(SVG)

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