khtml/svg/SVGZoomAndPan.cpp

   1 /*
   2     Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
   3                   2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
   4
   5     This file is part of the KDE project
   6
   7     This library is free software; you can redistribute it and/or
   8     modify it under the terms of the GNU Library General Public
   9     License as published by the Free Software Foundation; either
  10     version 2 of the License, or (at your option) any later version.
  11
  12     This library is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     Library General Public License for more details.
  16
  17     You should have received a copy of the GNU Library General Public License
  18     along with this library; see the file COPYING.LIB.  If not, write to
  19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20     Boston, MA 02110-1301, USA.
  21 */
  22
  23 #include "config.h"
  24 #include "wtf/Platform.h"
  25
  26 #if ENABLE(SVG)
  27 #include "SVGZoomAndPan.h"
  28
  29 //#include "MappedAttribute.h"
  30 #include "SVGNames.h"
  31 #include "SVGParserUtilities.h"
  32
  33 namespace WebCore {
  34
  35 SVGZoomAndPan::SVGZoomAndPan()
  36     : m_zoomAndPan(SVG_ZOOMANDPAN_MAGNIFY)
  37 {
  38 }
  39
  40 SVGZoomAndPan::~SVGZoomAndPan()
  41 {
  42 }
  43
  44 unsigned short SVGZoomAndPan::zoomAndPan() const
  45 {
  46     return m_zoomAndPan;
  47 }
  48
  49 void SVGZoomAndPan::setZoomAndPan(unsigned short zoomAndPan)
  50 {
  51     m_zoomAndPan = zoomAndPan;
  52 }
  53
  54 bool SVGZoomAndPan::parseMappedAttribute(MappedAttribute* attr)
  55 {
  56     if (attr->name() == SVGNames::zoomAndPanAttr) {
  57         const UChar* start = attr->value().characters();
  58         const UChar* end = start + attr->value().length();
  59         parseZoomAndPan(start, end);
  60         return true;
  61     }
  62
  63     return false;
  64 }
  65
  66 bool SVGZoomAndPan::isKnownAttribute(const QualifiedName& attrName)
  67 {
  68     return attrName == SVGNames::zoomAndPanAttr;
  69 }
  70
  71 static const UChar disable[] =  {'d', 'i', 's', 'a', 'b', 'l', 'e'};
  72 static const UChar magnify[] =  {'m', 'a', 'g', 'n', 'i', 'f', 'y'};
  73
  74 bool SVGZoomAndPan::parseZoomAndPan(const UChar*& start, const UChar* end)
  75 {
  76     if (skipString(start, end, disable, sizeof(disable) / sizeof(UChar)))
  77         setZoomAndPan(SVG_ZOOMANDPAN_DISABLE);
  78     else if (skipString(start, end, magnify, sizeof(magnify) / sizeof(UChar)))
  79         setZoomAndPan(SVG_ZOOMANDPAN_MAGNIFY);
  80     else
  81         return false;
  82
  83     return true;
  84 }
  85
  86 }
  87
  88 #endif // ENABLE(SVG)