| /* |
| * 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 "SVGPathElement.h" |
| |
| #include "Attribute.h" |
| #include "RenderSVGPath.h" |
| #include "RenderSVGResource.h" |
| #include "SVGNames.h" |
| #include "SVGPathParserFactory.h" |
| #include "SVGPathSegArc.h" |
| #include "SVGPathSegClosePath.h" |
| #include "SVGPathSegCurvetoCubic.h" |
| #include "SVGPathSegCurvetoCubicSmooth.h" |
| #include "SVGPathSegCurvetoQuadratic.h" |
| #include "SVGPathSegCurvetoQuadraticSmooth.h" |
| #include "SVGPathSegLineto.h" |
| #include "SVGPathSegLinetoHorizontal.h" |
| #include "SVGPathSegLinetoVertical.h" |
| #include "SVGPathSegList.h" |
| #include "SVGPathSegListBuilder.h" |
| #include "SVGPathSegListPropertyTearOff.h" |
| #include "SVGPathSegMoveto.h" |
| #include "SVGSVGElement.h" |
| |
| namespace WebCore { |
| |
| // Animated property definitions |
| DEFINE_ANIMATED_NUMBER(SVGPathElement, SVGNames::pathLengthAttr, PathLength, pathLength) |
| DEFINE_ANIMATED_BOOLEAN(SVGPathElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired) |
| |
| inline SVGPathElement::SVGPathElement(const QualifiedName& tagName, Document* document) |
| : SVGStyledTransformableElement(tagName, document) |
| , m_pathByteStream(SVGPathByteStream::create()) |
| , m_pathSegList(PathSegUnalteredRole) |
| { |
| } |
| |
| PassRefPtr<SVGPathElement> SVGPathElement::create(const QualifiedName& tagName, Document* document) |
| { |
| return adoptRef(new SVGPathElement(tagName, document)); |
| } |
| |
| float SVGPathElement::getTotalLength() |
| { |
| // FIXME: this may wish to use the pathSegList instead of the pathdata if that's cheaper to build (or cached) |
| Path path; |
| toPathData(path); |
| return path.length(); |
| } |
| |
| FloatPoint SVGPathElement::getPointAtLength(float length) |
| { |
| // FIXME: this may wish to use the pathSegList instead of the pathdata if that's cheaper to build (or cached) |
| bool ok = false; |
| Path path; |
| toPathData(path); |
| return path.pointAtLength(length, ok); |
| } |
| |
| unsigned long SVGPathElement::getPathSegAtLength(float length) |
| { |
| SVGPathParserFactory* factory = SVGPathParserFactory::self(); |
| unsigned long pathSeg = 0; |
| factory->getSVGPathSegAtLengthFromSVGPathByteStream(m_pathByteStream.get(), length, pathSeg); |
| return pathSeg; |
| } |
| |
| PassRefPtr<SVGPathSegClosePath> SVGPathElement::createSVGPathSegClosePath(SVGPathSegRole role) |
| { |
| return SVGPathSegClosePath::create(this, role); |
| } |
| |
| PassRefPtr<SVGPathSegMovetoAbs> SVGPathElement::createSVGPathSegMovetoAbs(float x, float y, SVGPathSegRole role) |
| { |
| return SVGPathSegMovetoAbs::create(this, role, x, y); |
| } |
| |
| PassRefPtr<SVGPathSegMovetoRel> SVGPathElement::createSVGPathSegMovetoRel(float x, float y, SVGPathSegRole role) |
| { |
| return SVGPathSegMovetoRel::create(this, role, x, y); |
| } |
| |
| PassRefPtr<SVGPathSegLinetoAbs> SVGPathElement::createSVGPathSegLinetoAbs(float x, float y, SVGPathSegRole role) |
| { |
| return SVGPathSegLinetoAbs::create(this, role, x, y); |
| } |
| |
| PassRefPtr<SVGPathSegLinetoRel> SVGPathElement::createSVGPathSegLinetoRel(float x, float y, SVGPathSegRole role) |
| { |
| return SVGPathSegLinetoRel::create(this, role, x, y); |
| } |
| |
| PassRefPtr<SVGPathSegCurvetoCubicAbs> SVGPathElement::createSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2, SVGPathSegRole role) |
| { |
| return SVGPathSegCurvetoCubicAbs::create(this, role, x, y, x1, y1, x2, y2); |
| } |
| |
| PassRefPtr<SVGPathSegCurvetoCubicRel> SVGPathElement::createSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2, SVGPathSegRole role) |
| { |
| return SVGPathSegCurvetoCubicRel::create(this, role, x, y, x1, y1, x2, y2); |
| } |
| |
| PassRefPtr<SVGPathSegCurvetoQuadraticAbs> SVGPathElement::createSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1, SVGPathSegRole role) |
| { |
| return SVGPathSegCurvetoQuadraticAbs::create(this, role, x, y, x1, y1); |
| } |
| |
| PassRefPtr<SVGPathSegCurvetoQuadraticRel> SVGPathElement::createSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1, SVGPathSegRole role) |
| { |
| return SVGPathSegCurvetoQuadraticRel::create(this, role, x, y, x1, y1); |
| } |
| |
| PassRefPtr<SVGPathSegArcAbs> SVGPathElement::createSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, SVGPathSegRole role) |
| { |
| return SVGPathSegArcAbs::create(this, role, x, y, r1, r2, angle, largeArcFlag, sweepFlag); |
| } |
| |
| PassRefPtr<SVGPathSegArcRel> SVGPathElement::createSVGPathSegArcRel(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, SVGPathSegRole role) |
| { |
| return SVGPathSegArcRel::create(this, role, x, y, r1, r2, angle, largeArcFlag, sweepFlag); |
| } |
| |
| PassRefPtr<SVGPathSegLinetoHorizontalAbs> SVGPathElement::createSVGPathSegLinetoHorizontalAbs(float x, SVGPathSegRole role) |
| { |
| return SVGPathSegLinetoHorizontalAbs::create(this, role, x); |
| } |
| |
| PassRefPtr<SVGPathSegLinetoHorizontalRel> SVGPathElement::createSVGPathSegLinetoHorizontalRel(float x, SVGPathSegRole role) |
| { |
| return SVGPathSegLinetoHorizontalRel::create(this, role, x); |
| } |
| |
| PassRefPtr<SVGPathSegLinetoVerticalAbs> SVGPathElement::createSVGPathSegLinetoVerticalAbs(float y, SVGPathSegRole role) |
| { |
| return SVGPathSegLinetoVerticalAbs::create(this, role, y); |
| } |
| |
| PassRefPtr<SVGPathSegLinetoVerticalRel> SVGPathElement::createSVGPathSegLinetoVerticalRel(float y, SVGPathSegRole role) |
| { |
| return SVGPathSegLinetoVerticalRel::create(this, role, y); |
| } |
| |
| PassRefPtr<SVGPathSegCurvetoCubicSmoothAbs> SVGPathElement::createSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2, SVGPathSegRole role) |
| { |
| return SVGPathSegCurvetoCubicSmoothAbs::create(this, role, x, y, x2, y2); |
| } |
| |
| PassRefPtr<SVGPathSegCurvetoCubicSmoothRel> SVGPathElement::createSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2, SVGPathSegRole role) |
| { |
| return SVGPathSegCurvetoCubicSmoothRel::create(this, role, x, y, x2, y2); |
| } |
| |
| PassRefPtr<SVGPathSegCurvetoQuadraticSmoothAbs> SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y, SVGPathSegRole role) |
| { |
| return SVGPathSegCurvetoQuadraticSmoothAbs::create(this, role, x, y); |
| } |
| |
| PassRefPtr<SVGPathSegCurvetoQuadraticSmoothRel> SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothRel(float x, float y, SVGPathSegRole role) |
| { |
| return SVGPathSegCurvetoQuadraticSmoothRel::create(this, role, x, y); |
| } |
| |
| void SVGPathElement::parseMappedAttribute(Attribute* attr) |
| { |
| if (attr->name() == SVGNames::dAttr) { |
| SVGPathParserFactory* factory = SVGPathParserFactory::self(); |
| if (!factory->buildSVGPathByteStreamFromString(attr->value(), m_pathByteStream, UnalteredParsing)) |
| document()->accessSVGExtensions()->reportError("Problem parsing d=\"" + attr->value() + "\""); |
| } else if (attr->name() == SVGNames::pathLengthAttr) { |
| setPathLengthBaseValue(attr->value().toFloat()); |
| if (pathLengthBaseValue() < 0.0f) |
| document()->accessSVGExtensions()->reportError("A negative value for path attribute <pathLength> is not allowed"); |
| } else { |
| if (SVGTests::parseMappedAttribute(attr)) |
| return; |
| if (SVGLangSpace::parseMappedAttribute(attr)) |
| return; |
| if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) |
| return; |
| SVGStyledTransformableElement::parseMappedAttribute(attr); |
| } |
| } |
| |
| void SVGPathElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| SVGStyledTransformableElement::svgAttributeChanged(attrName); |
| |
| if (SVGTests::handleAttributeChange(this, attrName)) |
| return; |
| |
| RenderSVGPath* renderer = static_cast<RenderSVGPath*>(this->renderer()); |
| |
| if (attrName == SVGNames::dAttr) { |
| if (m_animatablePathSegList) { |
| SVGPathSegList newList(PathSegUnalteredRole); |
| SVGPathParserFactory* factory = SVGPathParserFactory::self(); |
| factory->buildSVGPathSegListFromByteStream(m_pathByteStream.get(), this, newList, UnalteredParsing); |
| m_pathSegList.value = newList; |
| } |
| |
| if (!renderer) |
| return; |
| |
| renderer->setNeedsPathUpdate(); |
| RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); |
| return; |
| } |
| |
| if (!renderer) |
| return; |
| |
| if (attrName == SVGNames::pathLengthAttr |
| || SVGLangSpace::isKnownAttribute(attrName) |
| || SVGExternalResourcesRequired::isKnownAttribute(attrName)) |
| RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); |
| } |
| |
| void SVGPathElement::synchronizeProperty(const QualifiedName& attrName) |
| { |
| SVGStyledTransformableElement::synchronizeProperty(attrName); |
| |
| if (attrName == anyQName()) { |
| synchronizeD(); |
| synchronizePathLength(); |
| synchronizeExternalResourcesRequired(); |
| SVGTests::synchronizeProperties(this, attrName); |
| return; |
| } |
| |
| if (attrName == SVGNames::dAttr) |
| synchronizeD(); |
| else if (attrName == SVGNames::pathLengthAttr) |
| synchronizePathLength(); |
| else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) |
| synchronizeExternalResourcesRequired(); |
| else if (SVGTests::isKnownAttribute(attrName)) |
| SVGTests::synchronizeProperties(this, attrName); |
| } |
| |
| void SVGPathElement::synchronizeD() |
| { |
| if (!m_pathSegList.shouldSynchronize) |
| return; |
| |
| SVGAnimatedPropertySynchronizer<true>::synchronize(this, SVGNames::dAttr, m_pathSegList.value.valueAsString()); |
| } |
| |
| AttributeToPropertyTypeMap& SVGPathElement::attributeToPropertyTypeMap() |
| { |
| DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ()); |
| return s_attributeToPropertyTypeMap; |
| } |
| |
| void SVGPathElement::fillAttributeToPropertyTypeMap() |
| { |
| AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap(); |
| |
| SVGStyledTransformableElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap); |
| attributeToPropertyTypeMap.set(SVGNames::dAttr, AnimatedPath); |
| attributeToPropertyTypeMap.set(SVGNames::pathLengthAttr, AnimatedNumber); |
| } |
| |
| SVGPathSegListPropertyTearOff* SVGPathElement::pathSegList() |
| { |
| if (!m_animatablePathSegList) { |
| m_pathSegList.shouldSynchronize = true; |
| |
| SVGPathParserFactory* factory = SVGPathParserFactory::self(); |
| factory->buildSVGPathSegListFromByteStream(m_pathByteStream.get(), this, m_pathSegList.value, UnalteredParsing); |
| |
| m_animatablePathSegList = SVGAnimatedProperty::lookupOrCreateWrapper<SVGAnimatedPathSegListPropertyTearOff, SVGPathSegList> |
| (this, SVGNames::dAttr, SVGNames::dAttr.localName(), m_pathSegList.value); |
| } |
| |
| return static_cast<SVGPathSegListPropertyTearOff*>(m_animatablePathSegList->baseVal(PathSegUnalteredRole)); |
| } |
| |
| SVGPathSegListPropertyTearOff* SVGPathElement::normalizedPathSegList() |
| { |
| // FIXME: https://bugs.webkit.org/show_bug.cgi?id=15412 - Implement normalized path segment lists! |
| return 0; |
| } |
| |
| SVGPathSegListPropertyTearOff* SVGPathElement::animatedPathSegList() |
| { |
| if (!m_animatablePathSegList) { |
| m_pathSegList.shouldSynchronize = true; |
| |
| SVGPathParserFactory* factory = SVGPathParserFactory::self(); |
| factory->buildSVGPathSegListFromByteStream(m_pathByteStream.get(), this, m_pathSegList.value, UnalteredParsing); |
| |
| m_animatablePathSegList = SVGAnimatedProperty::lookupOrCreateWrapper<SVGAnimatedPathSegListPropertyTearOff, SVGPathSegList> |
| (this, SVGNames::dAttr, SVGNames::dAttr.localName(), m_pathSegList.value); |
| } |
| |
| return static_cast<SVGPathSegListPropertyTearOff*>(m_animatablePathSegList->animVal(PathSegUnalteredRole)); |
| } |
| |
| SVGPathSegListPropertyTearOff* SVGPathElement::animatedNormalizedPathSegList() |
| { |
| // FIXME: https://bugs.webkit.org/show_bug.cgi?id=15412 - Implement normalized path segment lists! |
| return 0; |
| } |
| |
| void SVGPathElement::toPathData(Path& path) const |
| { |
| ASSERT(path.isEmpty()); |
| |
| SVGPathParserFactory* factory = SVGPathParserFactory::self(); |
| factory->buildPathFromByteStream(m_pathByteStream.get(), path); |
| } |
| |
| void SVGPathElement::pathSegListChanged(SVGPathSegRole role) |
| { |
| SVGPathParserFactory* factory = SVGPathParserFactory::self(); |
| |
| switch (role) { |
| case PathSegNormalizedRole: |
| // FIXME: https://bugs.webkit.org/show_bug.cgi?id=15412 - Implement normalized path segment lists! |
| break; |
| case PathSegUnalteredRole: |
| m_pathByteStream->clear(); |
| factory->buildSVGPathByteStreamFromSVGPathSegList(m_pathSegList.value, m_pathByteStream, UnalteredParsing); |
| break; |
| case PathSegUndefinedRole: |
| return; |
| } |
| |
| invalidateSVGAttributes(); |
| |
| RenderSVGPath* renderer = static_cast<RenderSVGPath*>(this->renderer()); |
| if (!renderer) |
| return; |
| |
| renderer->setNeedsPathUpdate(); |
| RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |