SVGPathElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG)
#include "SVGPathElement.h"
#include "MappedAttribute.h"
#include "RenderPath.h"
#include "SVGNames.h"
#include "SVGParserUtilities.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 "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()
{
return toPathData().length();
}
FloatPoint SVGPathElement::getPointAtLength(float length)
{
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(MappedAttribute* attr)
{
if (attr->name() == SVGNames::dAttr) {
ExceptionCode ec;
pathSegList()->clear(ec);
if (!pathSegListFromSVGData(pathSegList(), attr->value(), true))
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();
renderer->setNeedsLayout(true);
return;
}
if (SVGStyledTransformableElement::isKnownAttribute(attrName)) {
renderer->setNeedsTransformUpdate();
renderer->setNeedsLayout(true);
return;
}
if (attrName == SVGNames::pathLengthAttr
|| SVGTests::isKnownAttribute(attrName)
|| SVGLangSpace::isKnownAttribute(attrName)
|| SVGExternalResourcesRequired::isKnownAttribute(attrName))
renderer->setNeedsLayout(true);
}
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
{
return 0;
}
SVGPathSegList* SVGPathElement::animatedPathSegList() const
{
return 0;
}
SVGPathSegList* SVGPathElement::animatedNormalizedPathSegList() const
{
return 0;
}
Path SVGPathElement::toPathData() const
{
return pathSegList()->toPathData();
}
}
#endif // ENABLE(SVG)