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      1 /*
      2     Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3                   2004, 2005, 2006, 2007 Rob Buis <buis (at) 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 "SVGZoomAndPan.h"
     25 
     26 #include "MappedAttribute.h"
     27 #include "SVGNames.h"
     28 #include "SVGParserUtilities.h"
     29 
     30 namespace WebCore {
     31 
     32 SVGZoomAndPan::SVGZoomAndPan()
     33     : m_zoomAndPan(SVG_ZOOMANDPAN_MAGNIFY)
     34 {
     35 }
     36 
     37 SVGZoomAndPan::~SVGZoomAndPan()
     38 {
     39 }
     40 
     41 unsigned short SVGZoomAndPan::zoomAndPan() const
     42 {
     43     return m_zoomAndPan;
     44 }
     45 
     46 void SVGZoomAndPan::setZoomAndPan(unsigned short zoomAndPan)
     47 {
     48     m_zoomAndPan = zoomAndPan;
     49 }
     50 
     51 bool SVGZoomAndPan::parseMappedAttribute(MappedAttribute* attr)
     52 {
     53     if (attr->name() == SVGNames::zoomAndPanAttr) {
     54         const UChar* start = attr->value().characters();
     55         const UChar* end = start + attr->value().length();
     56         parseZoomAndPan(start, end);
     57         return true;
     58     }
     59 
     60     return false;
     61 }
     62 
     63 bool SVGZoomAndPan::isKnownAttribute(const QualifiedName& attrName)
     64 {
     65     return attrName == SVGNames::zoomAndPanAttr;
     66 }
     67 
     68 static const UChar disable[] =  {'d', 'i', 's', 'a', 'b', 'l', 'e'};
     69 static const UChar magnify[] =  {'m', 'a', 'g', 'n', 'i', 'f', 'y'};
     70 
     71 bool SVGZoomAndPan::parseZoomAndPan(const UChar*& start, const UChar* end)
     72 {
     73     if (skipString(start, end, disable, sizeof(disable) / sizeof(UChar)))
     74         setZoomAndPan(SVG_ZOOMANDPAN_DISABLE);
     75     else if (skipString(start, end, magnify, sizeof(magnify) / sizeof(UChar)))
     76         setZoomAndPan(SVG_ZOOMANDPAN_MAGNIFY);
     77     else
     78         return false;
     79 
     80     return true;
     81 }
     82 
     83 }
     84 
     85 #endif // ENABLE(SVG)
     86