diff options
Diffstat (limited to 'Source/WebCore/svg/SVGTextPathElement.cpp')
| -rw-r--r-- | Source/WebCore/svg/SVGTextPathElement.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/Source/WebCore/svg/SVGTextPathElement.cpp b/Source/WebCore/svg/SVGTextPathElement.cpp new file mode 100644 index 0000000..9935b43 --- /dev/null +++ b/Source/WebCore/svg/SVGTextPathElement.cpp @@ -0,0 +1,159 @@ +/* + * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> + * Copyright (C) 2010 Rob Buis <rwlbuis@gmail.com> + * + * 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 "Attribute.h" +#include "RenderSVGResource.h" +#include "RenderSVGTextPath.h" +#include "SVGNames.h" + +namespace WebCore { + +// Animated property definitions +DEFINE_ANIMATED_LENGTH(SVGTextPathElement, SVGNames::startOffsetAttr, StartOffset, startOffset) +DEFINE_ANIMATED_ENUMERATION(SVGTextPathElement, SVGNames::methodAttr, Method, method) +DEFINE_ANIMATED_ENUMERATION(SVGTextPathElement, SVGNames::spacingAttr, Spacing, spacing) +DEFINE_ANIMATED_STRING(SVGTextPathElement, XLinkNames::hrefAttr, Href, href) + +inline SVGTextPathElement::SVGTextPathElement(const QualifiedName& tagName, Document* document) + : SVGTextContentElement(tagName, document) + , m_startOffset(LengthModeOther) + , m_method(SVG_TEXTPATH_METHODTYPE_ALIGN) + , m_spacing(SVG_TEXTPATH_SPACINGTYPE_EXACT) +{ +} + +PassRefPtr<SVGTextPathElement> SVGTextPathElement::create(const QualifiedName& tagName, Document* document) +{ + return adoptRef(new SVGTextPathElement(tagName, document)); +} + +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() + || child->hasTagName(SVGNames::aTag) + || child->hasTagName(SVGNames::trefTag) + || child->hasTagName(SVGNames::tspanTag)) + return true; + + return false; +} + +bool SVGTextPathElement::rendererIsNeeded(RenderStyle* style) +{ + if (parentNode() + && (parentNode()->hasTagName(SVGNames::aTag) + || parentNode()->hasTagName(SVGNames::textTag))) + return StyledElement::rendererIsNeeded(style); + + 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) |
