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Diffstat (limited to 'Source/WebCore/svg/SVGEllipseElement.cpp')
| -rw-r--r-- | Source/WebCore/svg/SVGEllipseElement.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/Source/WebCore/svg/SVGEllipseElement.cpp b/Source/WebCore/svg/SVGEllipseElement.cpp new file mode 100644 index 0000000..4a12aa7 --- /dev/null +++ b/Source/WebCore/svg/SVGEllipseElement.cpp @@ -0,0 +1,170 @@ +/* + * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org> + * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> + * + * 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 "SVGEllipseElement.h" + +#include "Attribute.h" +#include "FloatPoint.h" +#include "RenderSVGPath.h" +#include "RenderSVGResource.h" +#include "SVGLength.h" +#include "SVGNames.h" + +namespace WebCore { + +// Animated property definitions +DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::cxAttr, Cx, cx) +DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::cyAttr, Cy, cy) +DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::rxAttr, Rx, rx) +DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::ryAttr, Ry, ry) +DEFINE_ANIMATED_BOOLEAN(SVGEllipseElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired) + +inline SVGEllipseElement::SVGEllipseElement(const QualifiedName& tagName, Document* document) + : SVGStyledTransformableElement(tagName, document) + , m_cx(LengthModeWidth) + , m_cy(LengthModeHeight) + , m_rx(LengthModeWidth) + , m_ry(LengthModeHeight) +{ +} + +PassRefPtr<SVGEllipseElement> SVGEllipseElement::create(const QualifiedName& tagName, Document* document) +{ + return adoptRef(new SVGEllipseElement(tagName, document)); +} + +void SVGEllipseElement::parseMappedAttribute(Attribute* attr) +{ + if (attr->name() == SVGNames::cxAttr) + setCxBaseValue(SVGLength(LengthModeWidth, attr->value())); + else if (attr->name() == SVGNames::cyAttr) + setCyBaseValue(SVGLength(LengthModeHeight, attr->value())); + else if (attr->name() == SVGNames::rxAttr) { + setRxBaseValue(SVGLength(LengthModeWidth, attr->value())); + if (rxBaseValue().value(this) < 0.0) + document()->accessSVGExtensions()->reportError("A negative value for ellipse <rx> is not allowed"); + } else if (attr->name() == SVGNames::ryAttr) { + setRyBaseValue(SVGLength(LengthModeHeight, attr->value())); + if (ryBaseValue().value(this) < 0.0) + document()->accessSVGExtensions()->reportError("A negative value for ellipse <ry> is not allowed"); + } else { + if (SVGTests::parseMappedAttribute(attr)) + return; + if (SVGLangSpace::parseMappedAttribute(attr)) + return; + if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) + return; + SVGStyledTransformableElement::parseMappedAttribute(attr); + } +} + +void SVGEllipseElement::svgAttributeChanged(const QualifiedName& attrName) +{ + SVGStyledTransformableElement::svgAttributeChanged(attrName); + + bool isLengthAttribute = attrName == SVGNames::cxAttr + || attrName == SVGNames::cyAttr + || attrName == SVGNames::rxAttr + || attrName == SVGNames::ryAttr; + + if (isLengthAttribute) + updateRelativeLengthsInformation(); + + if (SVGTests::handleAttributeChange(this, attrName)) + return; + + RenderSVGPath* renderer = static_cast<RenderSVGPath*>(this->renderer()); + if (!renderer) + return; + + if (SVGStyledTransformableElement::isKnownAttribute(attrName)) { + renderer->setNeedsTransformUpdate(); + RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); + return; + } + + if (isLengthAttribute) { + renderer->setNeedsPathUpdate(); + RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); + return; + } + + if (SVGLangSpace::isKnownAttribute(attrName) + || SVGExternalResourcesRequired::isKnownAttribute(attrName)) + RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); +} + +void SVGEllipseElement::synchronizeProperty(const QualifiedName& attrName) +{ + SVGStyledTransformableElement::synchronizeProperty(attrName); + + if (attrName == anyQName()) { + synchronizeCx(); + synchronizeCy(); + synchronizeRx(); + synchronizeRy(); + synchronizeExternalResourcesRequired(); + SVGTests::synchronizeProperties(this, attrName); + return; + } + + if (attrName == SVGNames::cxAttr) + synchronizeCx(); + else if (attrName == SVGNames::cyAttr) + synchronizeCy(); + else if (attrName == SVGNames::rxAttr) + synchronizeRx(); + else if (attrName == SVGNames::ryAttr) + synchronizeRy(); + else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) + synchronizeExternalResourcesRequired(); + else if (SVGTests::isKnownAttribute(attrName)) + SVGTests::synchronizeProperties(this, attrName); +} + +void SVGEllipseElement::toPathData(Path& path) const +{ + ASSERT(path.isEmpty()); + + float radiusX = rx().value(this); + if (radiusX <= 0) + return; + + float radiusY = ry().value(this); + if (radiusY <= 0) + return; + + path.addEllipse(FloatRect(cx().value(this) - radiusX, cy().value(this) - radiusY, radiusX * 2, radiusY * 2)); +} + +bool SVGEllipseElement::selfHasRelativeLengths() const +{ + return cx().isRelative() + || cy().isRelative() + || rx().isRelative() + || ry().isRelative(); +} + +} + +#endif // ENABLE(SVG) |