third_party/WebKit/Source/core/svg/SVGPathElement.h

/*
 * 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.
 */

#ifndef SVGPathElement_h
#define SVGPathElement_h

#include "core/SVGNames.h"
#include "core/svg/SVGAnimatedPath.h"
#include "core/svg/SVGGeometryElement.h"
#include "platform/heap/Handle.h"

namespace blink {

class StylePath;

class SVGPathElement final : public SVGGeometryElement {
  DEFINE_WRAPPERTYPEINFO();

 public:
  DECLARE_NODE_FACTORY(SVGPathElement);

  Path asPath() const override;
  Path attributePath() const;

  float getTotalLength() override;
  SVGPointTearOff* getPointAtLength(float distance) override;
  unsigned getPathSegAtLength(float distance);

  SVGAnimatedPath* path() const { return m_path.get(); }
  float computePathLength() const override;
  const SVGPathByteStream& pathByteStream() const {
    return stylePath()->byteStream();
  }

  FloatRect getBBox() override;

  DECLARE_VIRTUAL_TRACE();

 private:
  explicit SVGPathElement(Document&);

  const StylePath* stylePath() const;

  void svgAttributeChanged(const QualifiedName&) override;

  void collectStyleForPresentationAttribute(const QualifiedName&,
                                            const AtomicString&,
                                            MutableStylePropertySet*) override;

  Node::InsertionNotificationRequest insertedInto(ContainerNode*) override;
  void removedFrom(ContainerNode*) override;

  void invalidateMPathDependencies();

  Member<SVGAnimatedPath> m_path;
};

}  // namespace blink

#endif  // SVGPathElement_h