third_party/WebKit/Source/core/svg/SVGGeometryElement.cpp

/*
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#include "core/svg/SVGGeometryElement.h"

#include "core/SVGNames.h"
#include "core/layout/HitTestRequest.h"
#include "core/layout/PointerEventsHitRules.h"
#include "core/layout/svg/LayoutSVGPath.h"
#include "core/layout/svg/LayoutSVGShape.h"
#include "core/svg/SVGPointTearOff.h"

namespace blink {

SVGGeometryElement::SVGGeometryElement(const QualifiedName& tagName,
                                       Document& document,
                                       ConstructionType constructionType)
    : SVGGraphicsElement(tagName, document, constructionType) {}

bool SVGGeometryElement::isPointInFill(SVGPointTearOff* point) const {
  document().updateStyleAndLayoutIgnorePendingStylesheets();

  // FIXME: Eventually we should support isPointInFill for display:none
  // elements.
  if (!layoutObject() || !layoutObject()->isSVGShape())
    return false;

  HitTestRequest request(HitTestRequest::ReadOnly);
  PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_GEOMETRY_HITTESTING,
                                 request,
                                 layoutObject()->style()->pointerEvents());
  hitRules.canHitStroke = false;
  return toLayoutSVGShape(layoutObject())
      ->nodeAtFloatPointInternal(request, point->target()->value(), hitRules);
}

bool SVGGeometryElement::isPointInStroke(SVGPointTearOff* point) const {
  document().updateStyleAndLayoutIgnorePendingStylesheets();

  // FIXME: Eventually we should support isPointInStroke for display:none
  // elements.
  if (!layoutObject() || !layoutObject()->isSVGShape())
    return false;

  HitTestRequest request(HitTestRequest::ReadOnly);
  PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_GEOMETRY_HITTESTING,
                                 request,
                                 layoutObject()->style()->pointerEvents());
  hitRules.canHitFill = false;
  return toLayoutSVGShape(layoutObject())
      ->nodeAtFloatPointInternal(request, point->target()->value(), hitRules);
}

void SVGGeometryElement::toClipPath(Path& path) const {
  path = asPath();
  path.transform(calculateAnimatedLocalTransform());

  ASSERT(layoutObject());
  ASSERT(layoutObject()->style());
  path.setWindRule(layoutObject()->style()->svgStyle().clipRule());
}

LayoutObject* SVGGeometryElement::createLayoutObject(const ComputedStyle&) {
  // By default, any subclass is expected to do path-based drawing.
  return new LayoutSVGPath(this);
}

}  // namespace blink