SVGResource *SVGMarkerElement::canvasResource()
{
if (!m_marker) {
m_marker = SVGResourceMarker::create();
}
m_marker->setMarker(static_cast<RenderSVGViewportContainer *>(renderer()));
// Spec: If the attribute is not specified, the effect is as if a
// value of "0" were specified.
if (!m_orientType) {
setOrientToAngle(SVGSVGElement::createSVGAngle());
}
if (orientType() == SVG_MARKER_ORIENT_ANGLE) {
m_marker->setAngle(orientAngle()->value());
} else {
m_marker->setAutoAngle();
}
m_marker->setRef(refX().value(), refY().value());
m_marker->setUseStrokeWidth(markerUnits() == SVG_MARKERUNITS_STROKEWIDTH);
return m_marker.get();
}
KCanvasMarker *SVGMarkerElement::canvasResource()
{
if(!m_marker)
m_marker = static_cast<KCanvasMarker *>(renderingDevice()->createResource(RS_MARKER));
m_marker->setMarker(renderer());
// Spec: If the attribute is not specified, the effect is as if a
// value of "0" were specified.
if(!m_orientType)
{
SVGAngle *angle = SVGSVGElement::createSVGAngle();
angle->setValueAsString(String("0").impl());
setOrientToAngle(angle);
}
if(orientType()->baseVal() == SVG_MARKER_ORIENT_ANGLE)
m_marker->setAngle(orientAngle()->baseVal()->value());
else
m_marker->setAutoAngle();
m_marker->setRef(refX()->baseVal()->value(), refY()->baseVal()->value());
m_marker->setUseStrokeWidth(markerUnits()->baseVal() == SVG_MARKERUNITS_STROKEWIDTH);
double w = markerWidth()->baseVal()->value();
double h = markerHeight()->baseVal()->value();
RefPtr<SVGMatrix> viewBox = viewBoxToViewTransform(w, h);
m_marker->setScale(viewBox->matrix().m11(), viewBox->matrix().m22());
return m_marker;
}
void SVGMarkerElement::parseMappedAttribute(MappedAttribute *attr)
{
const AtomicString& value = attr->value();
if (attr->name() == SVGNames::markerUnitsAttr) {
if (value == "userSpaceOnUse")
markerUnits()->setBaseVal(SVG_MARKERUNITS_USERSPACEONUSE);
}
else if (attr->name() == SVGNames::refXAttr)
refX()->baseVal()->setValueAsString(value.impl());
else if (attr->name() == SVGNames::refYAttr)
refY()->baseVal()->setValueAsString(value.impl());
else if (attr->name() == SVGNames::markerWidthAttr)
markerWidth()->baseVal()->setValueAsString(value.impl());
else if (attr->name() == SVGNames::markerHeightAttr)
markerHeight()->baseVal()->setValueAsString(value.impl());
else if (attr->name() == SVGNames::orientAttr)
{
if (value == "auto")
setOrientToAuto();
else {
SVGAngle *angle = SVGSVGElement::createSVGAngle();
angle->setValueAsString(value.impl());
setOrientToAngle(angle);
}
}
else
{
if(SVGLangSpace::parseMappedAttribute(attr)) return;
if(SVGExternalResourcesRequired::parseMappedAttribute(attr)) return;
if(SVGFitToViewBox::parseMappedAttribute(attr)) return;
SVGStyledElement::parseMappedAttribute(attr);
}
}
AffineTransform LayoutSVGResourceMarker::markerTransformation(
const FloatPoint& origin,
float autoAngle,
float strokeWidth) const {
// Apply scaling according to markerUnits ('strokeWidth' or 'userSpaceOnUse'.)
float markerScale =
markerUnits() == SVGMarkerUnitsStrokeWidth ? strokeWidth : 1;
AffineTransform transform;
transform.translate(origin.x(), origin.y());
transform.rotate(orientType() == SVGMarkerOrientAngle ? angle() : autoAngle);
transform.scale(markerScale);
// The 'origin' coordinate maps to SVGs refX/refY, given in coordinates
// relative to the viewport established by the marker.
FloatPoint mappedReferencePoint =
viewportTransform().mapPoint(referencePoint());
transform.translate(-mappedReferencePoint.x(), -mappedReferencePoint.y());
return transform;
}
