diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGTextPathElement.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/svg/SVGTextPathElement.cpp Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,148 @@ +/* + Copyright (C) 2007 Nikolas Zimmermann + + 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 "config.h" + +#if ENABLE(SVG) +#include "SVGTextPathElement.h" + +#include "AffineTransform.h" +#include "Attribute.h" +#include "FloatRect.h" +#include "RenderSVGResource.h" +#include "RenderSVGTextPath.h" +#include "SVGLengthList.h" +#include "SVGPathElement.h" +#include "SVGRenderStyle.h" +#include "SVGTransformList.h" + +namespace WebCore { + +SVGTextPathElement::SVGTextPathElement(const QualifiedName& tagName, Document* doc) + : SVGTextContentElement(tagName, doc) + , SVGURIReference() + , m_startOffset(LengthModeOther) + , m_method(SVG_TEXTPATH_METHODTYPE_ALIGN) + , m_spacing(SVG_TEXTPATH_SPACINGTYPE_EXACT) +{ +} + +SVGTextPathElement::~SVGTextPathElement() +{ +} + +void SVGTextPathElement::parseMappedAttribute(Attribute* attr) +{ + const String& value = attr->value(); + + if (attr->name() == SVGNames::startOffsetAttr) + setStartOffsetBaseValue(SVGLength(LengthModeOther, value)); + else if (attr->name() == SVGNames::methodAttr) { + if (value == "align") + setSpacingBaseValue(SVG_TEXTPATH_METHODTYPE_ALIGN); + else if (value == "stretch") + setSpacingBaseValue(SVG_TEXTPATH_METHODTYPE_STRETCH); + } else if (attr->name() == SVGNames::spacingAttr) { + if (value == "auto") + setMethodBaseValue(SVG_TEXTPATH_SPACINGTYPE_AUTO); + else if (value == "exact") + setMethodBaseValue(SVG_TEXTPATH_SPACINGTYPE_EXACT); + } else { + if (SVGURIReference::parseMappedAttribute(attr)) + return; + SVGTextContentElement::parseMappedAttribute(attr); + } +} + +void SVGTextPathElement::svgAttributeChanged(const QualifiedName& attrName) +{ + SVGTextContentElement::svgAttributeChanged(attrName); + + if (attrName == SVGNames::startOffsetAttr) + updateRelativeLengthsInformation(); + + if (!renderer()) + return; + + if (attrName == SVGNames::startOffsetAttr + || SVGTextContentElement::isKnownAttribute(attrName) + || SVGURIReference::isKnownAttribute(attrName)) + RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer()); +} + +void SVGTextPathElement::synchronizeProperty(const QualifiedName& attrName) +{ + SVGTextContentElement::synchronizeProperty(attrName); + + if (attrName == anyQName()) { + synchronizeStartOffset(); + synchronizeMethod(); + synchronizeSpacing(); + synchronizeHref(); + return; + } + + if (attrName == SVGNames::startOffsetAttr) + synchronizeStartOffset(); + else if (attrName == SVGNames::methodAttr) + synchronizeMethod(); + else if (attrName == SVGNames::spacingAttr) + synchronizeSpacing(); + else if (SVGURIReference::isKnownAttribute(attrName)) + synchronizeHref(); +} + +RenderObject* SVGTextPathElement::createRenderer(RenderArena* arena, RenderStyle*) +{ + return new (arena) RenderSVGTextPath(this); +} + +bool SVGTextPathElement::childShouldCreateRenderer(Node* child) const +{ + if (child->isTextNode() +#if ENABLE(SVG_FONTS) + || child->hasTagName(SVGNames::altGlyphTag) +#endif + || child->hasTagName(SVGNames::trefTag) || child->hasTagName(SVGNames::tspanTag) || child->hasTagName(SVGNames::textPathTag)) + return true; + + return false; +} + +void SVGTextPathElement::insertedIntoDocument() +{ + SVGTextContentElement::insertedIntoDocument(); + + String id = SVGURIReference::getTarget(href()); + Element* targetElement = ownerDocument()->getElementById(id); + if (!targetElement) { + document()->accessSVGExtensions()->addPendingResource(id, this); + return; + } +} + +bool SVGTextPathElement::selfHasRelativeLengths() const +{ + return startOffset().isRelative() + || SVGTextContentElement::selfHasRelativeLengths(); +} + +} + +#endif // ENABLE(SVG)