--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGPathElement.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,270 @@
+/*
+ Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+ 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 "RenderPath.h"
+#include "RenderSVGResource.h"
+#include "SVGNames.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 "SVGPathSegMoveto.h"
+#include "SVGSVGElement.h"
+
+namespace WebCore {
+
+SVGPathElement::SVGPathElement(const QualifiedName& tagName, Document* doc)
+ : SVGStyledTransformableElement(tagName, doc)
+ , SVGTests()
+ , SVGLangSpace()
+ , SVGExternalResourcesRequired()
+{
+}
+
+SVGPathElement::~SVGPathElement()
+{
+}
+
+float SVGPathElement::getTotalLength()
+{
+ // FIXME: this may wish to use the pathSegList instead of the pathdata if that's cheaper to build (or cached)
+ return toPathData().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;
+ return toPathData().pointAtLength(length, ok);
+}
+
+unsigned long SVGPathElement::getPathSegAtLength(float length, ExceptionCode& ec)
+{
+ return pathSegList()->getPathSegAtLength(length, ec);
+}
+
+PassRefPtr<SVGPathSegClosePath> SVGPathElement::createSVGPathSegClosePath()
+{
+ return SVGPathSegClosePath::create();
+}
+
+PassRefPtr<SVGPathSegMovetoAbs> SVGPathElement::createSVGPathSegMovetoAbs(float x, float y)
+{
+ return SVGPathSegMovetoAbs::create(x, y);
+}
+
+PassRefPtr<SVGPathSegMovetoRel> SVGPathElement::createSVGPathSegMovetoRel(float x, float y)
+{
+ return SVGPathSegMovetoRel::create(x, y);
+}
+
+PassRefPtr<SVGPathSegLinetoAbs> SVGPathElement::createSVGPathSegLinetoAbs(float x, float y)
+{
+ return SVGPathSegLinetoAbs::create(x, y);
+}
+
+PassRefPtr<SVGPathSegLinetoRel> SVGPathElement::createSVGPathSegLinetoRel(float x, float y)
+{
+ return SVGPathSegLinetoRel::create(x, y);
+}
+
+PassRefPtr<SVGPathSegCurvetoCubicAbs> SVGPathElement::createSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2)
+{
+ return SVGPathSegCurvetoCubicAbs::create(x, y, x1, y1, x2, y2);
+}
+
+PassRefPtr<SVGPathSegCurvetoCubicRel> SVGPathElement::createSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2)
+{
+ return SVGPathSegCurvetoCubicRel::create(x, y, x1, y1, x2, y2);
+}
+
+PassRefPtr<SVGPathSegCurvetoQuadraticAbs> SVGPathElement::createSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1)
+{
+ return SVGPathSegCurvetoQuadraticAbs::create(x, y, x1, y1);
+}
+
+PassRefPtr<SVGPathSegCurvetoQuadraticRel> SVGPathElement::createSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1)
+{
+ return SVGPathSegCurvetoQuadraticRel::create(x, y, x1, y1);
+}
+
+PassRefPtr<SVGPathSegArcAbs> SVGPathElement::createSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag)
+{
+ return SVGPathSegArcAbs::create(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)
+{
+ return SVGPathSegArcRel::create(x, y, r1, r2, angle, largeArcFlag, sweepFlag);
+}
+
+PassRefPtr<SVGPathSegLinetoHorizontalAbs> SVGPathElement::createSVGPathSegLinetoHorizontalAbs(float x)
+{
+ return SVGPathSegLinetoHorizontalAbs::create(x);
+}
+
+PassRefPtr<SVGPathSegLinetoHorizontalRel> SVGPathElement::createSVGPathSegLinetoHorizontalRel(float x)
+{
+ return SVGPathSegLinetoHorizontalRel::create(x);
+}
+
+PassRefPtr<SVGPathSegLinetoVerticalAbs> SVGPathElement::createSVGPathSegLinetoVerticalAbs(float y)
+{
+ return SVGPathSegLinetoVerticalAbs::create(y);
+}
+
+PassRefPtr<SVGPathSegLinetoVerticalRel> SVGPathElement::createSVGPathSegLinetoVerticalRel(float y)
+{
+ return SVGPathSegLinetoVerticalRel::create(y);
+}
+
+PassRefPtr<SVGPathSegCurvetoCubicSmoothAbs> SVGPathElement::createSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2)
+{
+ return SVGPathSegCurvetoCubicSmoothAbs::create(x, y, x2, y2);
+}
+
+PassRefPtr<SVGPathSegCurvetoCubicSmoothRel> SVGPathElement::createSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2)
+{
+ return SVGPathSegCurvetoCubicSmoothRel::create(x, y, x2, y2);
+}
+
+PassRefPtr<SVGPathSegCurvetoQuadraticSmoothAbs> SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y)
+{
+ return SVGPathSegCurvetoQuadraticSmoothAbs::create(x, y);
+}
+
+PassRefPtr<SVGPathSegCurvetoQuadraticSmoothRel> SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothRel(float x, float y)
+{
+ return SVGPathSegCurvetoQuadraticSmoothRel::create(x, y);
+}
+
+void SVGPathElement::parseMappedAttribute(Attribute* attr)
+{
+ if (attr->name() == SVGNames::dAttr) {
+ ExceptionCode ec;
+ pathSegList()->clear(ec);
+ SVGPathSegListBuilder parser(pathSegList());
+ if (!parser.build(attr->value(), NormalizedParsing))
+ 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);
+
+ RenderPath* renderer = static_cast<RenderPath*>(this->renderer());
+ if (!renderer)
+ return;
+
+ if (attrName == SVGNames::dAttr) {
+ renderer->setNeedsPathUpdate();
+ RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+ return;
+ }
+
+ if (SVGStyledTransformableElement::isKnownAttribute(attrName)) {
+ renderer->setNeedsTransformUpdate();
+ RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+ return;
+ }
+
+ if (attrName == SVGNames::pathLengthAttr
+ || SVGTests::isKnownAttribute(attrName)
+ || SVGLangSpace::isKnownAttribute(attrName)
+ || SVGExternalResourcesRequired::isKnownAttribute(attrName))
+ RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+}
+
+void SVGPathElement::synchronizeProperty(const QualifiedName& attrName)
+{
+ SVGStyledTransformableElement::synchronizeProperty(attrName);
+
+ if (attrName == anyQName()) {
+ synchronizePathLength();
+ synchronizeExternalResourcesRequired();
+ return;
+ }
+
+ if (attrName == SVGNames::pathLengthAttr)
+ synchronizePathLength();
+ else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
+ synchronizeExternalResourcesRequired();
+}
+
+SVGPathSegList* SVGPathElement::pathSegList() const
+{
+ if (!m_pathSegList)
+ m_pathSegList = SVGPathSegList::create(SVGNames::dAttr);
+
+ return m_pathSegList.get();
+}
+
+SVGPathSegList* SVGPathElement::normalizedPathSegList() const
+{
+ // TODO
+ return 0;
+}
+
+SVGPathSegList* SVGPathElement::animatedPathSegList() const
+{
+ // TODO
+ return 0;
+}
+
+SVGPathSegList* SVGPathElement::animatedNormalizedPathSegList() const
+{
+ // TODO
+ return 0;
+}
+
+Path SVGPathElement::toPathData() const
+{
+ return pathSegList()->toPathData();
+}
+
+}
+
+#endif // ENABLE(SVG)