khtml/svg/SVGTextPathElement.cpp

   1 /*
   2     Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
   3
   4     This file is part of the KDE project
   5
   6     This library is free software; you can redistribute it and/or
   7     modify it under the terms of the GNU Library General Public
   8     License as published by the Free Software Foundation; either
   9     version 2 of the License, or (at your option) any later version.
  10
  11     This library is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14     Library General Public License for more details.
  15
  16     You should have received a copy of the GNU Library General Public License
  17     along with this library; see the file COPYING.LIB.  If not, write to
  18     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19     Boston, MA 02110-1301, USA.
  20 */
  21
  22 #include "config.h"
  23 #include "wtf/Platform.h"
  24
  25 #if ENABLE(SVG)
  26 #include "SVGTextPathElement.h"
  27
  28 #include "AffineTransform.h"
  29 #include "FloatRect.h"
  30 #include "RenderSVGTextPath.h"
  31 #include "SVGLengthList.h"
  32 #include "SVGPathElement.h"
  33 #include "SVGRenderStyle.h"
  34 #include "SVGTextPathElement.h"
  35 #include "SVGTransformList.h"
  36
  37 namespace WebCore {
  38
  39 SVGTextPathElement::SVGTextPathElement(const QualifiedName& tagName, Document* doc)
  40     : SVGTextContentElement(tagName, doc)
  41     , SVGURIReference()
  42     , m_startOffset(this, LengthModeOther)
  43     , m_method(SVG_TEXTPATH_METHODTYPE_ALIGN)
  44     , m_spacing(SVG_TEXTPATH_SPACINGTYPE_EXACT)
  45 {
  46 }
  47
  48 SVGTextPathElement::~SVGTextPathElement()
  49 {
  50 }
  51
  52 ANIMATED_PROPERTY_DEFINITIONS(SVGTextPathElement, SVGLength, Length, length, StartOffset, startOffset, SVGNames::startOffsetAttr, m_startOffset)
  53 ANIMATED_PROPERTY_DEFINITIONS(SVGTextPathElement, int, Enumeration, enumeration, Method, method, SVGNames::methodAttr, m_method)
  54 ANIMATED_PROPERTY_DEFINITIONS(SVGTextPathElement, int, Enumeration, enumeration, Spacing, spacing, SVGNames::spacingAttr, m_spacing)
  55
  56 void SVGTextPathElement::parseMappedAttribute(MappedAttribute* attr)
  57 {
  58     const String& value = attr->value();
  59
  60     if (attr->name() == SVGNames::startOffsetAttr)
  61         setStartOffsetBaseValue(SVGLength(this, LengthModeOther, value));
  62     else if (attr->name() == SVGNames::methodAttr) {
  63         if (value == "align")
  64             setSpacingBaseValue(SVG_TEXTPATH_METHODTYPE_ALIGN);
  65         else if(value == "stretch")
  66             setSpacingBaseValue(SVG_TEXTPATH_METHODTYPE_STRETCH);
  67     } else if (attr->name() == SVGNames::spacingAttr) {
  68         if (value == "auto")
  69             setMethodBaseValue(SVG_TEXTPATH_SPACINGTYPE_AUTO);
  70         else if (value == "exact")
  71             setMethodBaseValue(SVG_TEXTPATH_SPACINGTYPE_EXACT);
  72     } else {
  73         if (SVGURIReference::parseMappedAttribute(attr))
  74             return;
  75         SVGTextContentElement::parseMappedAttribute(attr);
  76     }
  77 }
  78
  79 RenderObject* SVGTextPathElement::createRenderer(RenderArena* arena, RenderStyle* style)
  80 {
  81     return new (arena) RenderSVGTextPath(this);
  82 }
  83
  84 bool SVGTextPathElement::childShouldCreateRenderer(Node* child) const
  85 {
  86     if (child->isTextNode()
  87 #if ENABLE(SVG_FONTS)
  88         || child->hasTagName(SVGNames::altGlyphTag)
  89 #endif
  90         || child->hasTagName(SVGNames::trefTag) || child->hasTagName(SVGNames::tspanTag) || child->hasTagName(SVGNames::textPathTag))
  91         return true;
  92
  93     return false;
  94 }
  95
  96 void SVGTextPathElement::insertedIntoDocument()
  97 {
  98     SVGElement::insertedIntoDocument();
  99
 100     String id = SVGURIReference::getTarget(href());
 101     Element* targetElement = ownerDocument()->getElementById(id);
 102     if (!targetElement) {
 103         document()->accessSVGExtensions()->addPendingResource(id, this);
 104         return;
 105     }
 106 }
 107
 108 }
 109
 110 #endif // ENABLE(SVG)
 111
 112 // vim:ts=4:noet