File indexing completed on 2024-04-28 15:24:42

 /*
     Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
 
     This file is part of the KDE project
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #include "wtf/Platform.h"
 
 #if ENABLE(SVG)
 #include "SVGTextElement.h"
 
 #include "AffineTransform.h"
 #include "FloatRect.h"
 #include "RenderSVGText.h"
 #include "SVGLengthList.h"
 #include "SVGRenderStyle.h"
 #include "SVGTSpanElement.h"
 #include "SVGTransformList.h"
 
 namespace WebCore
 {
 
 SVGTextElement::SVGTextElement(const QualifiedName &tagName, Document *doc)
     : SVGTextPositioningElement(tagName, doc)
     , SVGTransformable()
     , m_transform(SVGTransformList::create(SVGNames::transformAttr))
 {
 }
 
 SVGTextElement::~SVGTextElement()
 {
 }
 
 ANIMATED_PROPERTY_DEFINITIONS(SVGTextElement, SVGTransformList *, TransformList, transformList, Transform, transform, SVGNames::transformAttr, m_transform.get())
 
 void SVGTextElement::parseMappedAttribute(MappedAttribute *attr)
 {
     if (attr->name() == SVGNames::transformAttr) {
         SVGTransformList *localTransforms = transformBaseValue();
 
         ExceptionCode ec = 0;
         localTransforms->clear(ec);
 
         if (!SVGTransformable::parseTransformAttribute(localTransforms, attr->value())) {
             localTransforms->clear(ec);
         } else {
             setTransformBaseValue(localTransforms);
             if (renderer()) {
                 renderer()->setNeedsLayout(true);    // should be in setTransformBaseValue
             }
         }
     } else {
         SVGTextPositioningElement::parseMappedAttribute(attr);
     }
 }
 
 SVGElement *SVGTextElement::nearestViewportElement() const
 {
     return SVGTransformable::nearestViewportElement(this);
 }
 
 SVGElement *SVGTextElement::farthestViewportElement() const
 {
     return SVGTransformable::farthestViewportElement(this);
 }
 
 FloatRect SVGTextElement::getBBox() const
 {
     return SVGTransformable::getBBox(this);
 }
 
 AffineTransform SVGTextElement::getScreenCTM() const
 {
     return SVGTransformable::getScreenCTM(this);
 }
 
 AffineTransform SVGTextElement::getCTM() const
 {
     return SVGTransformable::getCTM(this);
 }
 
 AffineTransform SVGTextElement::animatedLocalTransform() const
 {
     return m_supplementalTransform ? transform()->concatenate().matrix() **m_supplementalTransform : transform()->concatenate().matrix();
 }
 
 AffineTransform *SVGTextElement::supplementalTransform()
 {
     if (!m_supplementalTransform) {
         m_supplementalTransform.set(new AffineTransform());
     }
     return m_supplementalTransform.get();
 }
 
 RenderObject *SVGTextElement::createRenderer(RenderArena *arena, RenderStyle *style)
 {
     Q_UNUSED(style);
     // qCDebug(KHTML_LOG) << "create renderer for <text>";
     return new(arena) RenderSVGText(this);
 }
 
 bool SVGTextElement::childShouldCreateRenderer(Node *child) const
 {
     if (child->isTextNode()
 #if ENABLE(SVG_FONTS)
             || child->hasTagName(SVGNames::altGlyphTag)
 #endif
             || child->hasTagName(SVGNames::tspanTag) || child->hasTagName(SVGNames::trefTag) || child->hasTagName(SVGNames::aTag) || child->hasTagName(SVGNames::textPathTag)) {
         return true;
     }
     return false;
 }
 
 void SVGTextElement::svgAttributeChanged(const QualifiedName &attrName)
 {
     SVGTextPositioningElement::svgAttributeChanged(attrName);
 
     if (!renderer()) {
         return;
     }
 
     if (SVGTextPositioningElement::isKnownAttribute(attrName)) {
         renderer()->setNeedsLayout(true);
     }
 }
 
 }
 
 #endif // ENABLE(SVG)