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

/*
 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@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 RadialGradientAttributes_h
#define RadialGradientAttributes_h

#include "core/svg/GradientAttributes.h"
#include "core/svg/SVGLength.h"

namespace blink {
struct RadialGradientAttributes final : GradientAttributes {
  DISALLOW_NEW();

 public:
  RadialGradientAttributes()
      : m_cx(SVGLength::create(SVGLengthMode::Width)),
        m_cy(SVGLength::create(SVGLengthMode::Height)),
        m_r(SVGLength::create(SVGLengthMode::Other)),
        m_fx(SVGLength::create(SVGLengthMode::Width)),
        m_fy(SVGLength::create(SVGLengthMode::Height)),
        m_fr(SVGLength::create(SVGLengthMode::Other)),
        m_cxSet(false),
        m_cySet(false),
        m_rSet(false),
        m_fxSet(false),
        m_fySet(false),
        m_frSet(false) {
    m_cx->setValueAsString("50%");
    m_cy->setValueAsString("50%");
    m_r->setValueAsString("50%");
  }

  SVGLength* cx() const { return m_cx.get(); }
  SVGLength* cy() const { return m_cy.get(); }
  SVGLength* r() const { return m_r.get(); }
  SVGLength* fx() const { return m_fx.get(); }
  SVGLength* fy() const { return m_fy.get(); }
  SVGLength* fr() const { return m_fr.get(); }

  void setCx(SVGLength* value) {
    m_cx = value;
    m_cxSet = true;
  }
  void setCy(SVGLength* value) {
    m_cy = value;
    m_cySet = true;
  }
  void setR(SVGLength* value) {
    m_r = value;
    m_rSet = true;
  }
  void setFx(SVGLength* value) {
    m_fx = value;
    m_fxSet = true;
  }
  void setFy(SVGLength* value) {
    m_fy = value;
    m_fySet = true;
  }
  void setFr(SVGLength* value) {
    m_fr = value;
    m_frSet = true;
  }

  bool hasCx() const { return m_cxSet; }
  bool hasCy() const { return m_cySet; }
  bool hasR() const { return m_rSet; }
  bool hasFx() const { return m_fxSet; }
  bool hasFy() const { return m_fySet; }
  bool hasFr() const { return m_frSet; }

  DEFINE_INLINE_TRACE() {
    visitor->trace(m_cx);
    visitor->trace(m_cy);
    visitor->trace(m_r);
    visitor->trace(m_fx);
    visitor->trace(m_fy);
    visitor->trace(m_fr);
  }

 private:
  // Properties
  Member<SVGLength> m_cx;
  Member<SVGLength> m_cy;
  Member<SVGLength> m_r;
  Member<SVGLength> m_fx;
  Member<SVGLength> m_fy;
  Member<SVGLength> m_fr;

  // Property states
  bool m_cxSet : 1;
  bool m_cySet : 1;
  bool m_rSet : 1;
  bool m_fxSet : 1;
  bool m_fySet : 1;
  bool m_frSet : 1;
};

// Wrapper object for the RadialGradientAttributes part object.
class RadialGradientAttributesWrapper
    : public GarbageCollectedFinalized<RadialGradientAttributesWrapper> {
 public:
  static RadialGradientAttributesWrapper* create() {
    return new RadialGradientAttributesWrapper;
  }

  RadialGradientAttributes& attributes() { return m_attributes; }
  void set(const RadialGradientAttributes& attributes) {
    m_attributes = attributes;
  }
  DEFINE_INLINE_TRACE() { visitor->trace(m_attributes); }

 private:
  RadialGradientAttributesWrapper() {}

  RadialGradientAttributes m_attributes;
};

}  // namespace blink

#endif