text: /*
   * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
   *           (C) 2000 Antti Koivisto (koivisto@kde.org)
   *           (C) 2000 Dirk Mueller (mueller@kde.org)
   * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
   * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
   *
   * 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 IdentityTransformOperation_h
  #define IdentityTransformOperation_h
  
  #include "platform/transforms/TransformOperation.h"
  
  namespace blink {
  
  class PLATFORM_EXPORT IdentityTransformOperation final
      : public TransformOperation {
   public:
    static RefPtr<IdentityTransformOperation> Create() {
      return WTF::AdoptRef(new IdentityTransformOperation());
    }
  
    virtual bool CanBlendWith(const TransformOperation& other) const {
      return IsSameType(other);
    }
  
   private:
    OperationType GetType() const override { return kIdentity; }
  
    bool operator==(const TransformOperation& o) const override {
      return IsSameType(o);
    }
  
    void Apply(TransformationMatrix&, const FloatSize&) const override {}
  
    RefPtr<TransformOperation> Blend(const TransformOperation*,
                                     double,
                                     bool = false) override {
      return this;
    }
  
    RefPtr<TransformOperation> Zoom(double factor) final { return this; }
  
    IdentityTransformOperation() {}
  };
  
  }  // namespace blink
  
  #endif  // IdentityTransformOperation_h
  