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/*
* 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 PassRefPtr<IdentityTransformOperation> create() {
return adoptRef(new IdentityTransformOperation());
}
virtual bool canBlendWith(const TransformOperation& other) const {
return isSameType(other);
}
private:
OperationType type() const override { return Identity; }
bool operator==(const TransformOperation& o) const override {
return isSameType(o);
}
void apply(TransformationMatrix&, const FloatSize&) const override {}
PassRefPtr<TransformOperation> blend(const TransformOperation*,
double,
bool = false) override {
return this;
}
PassRefPtr<TransformOperation> zoom(double factor) final { return this; }
IdentityTransformOperation() {}
};
} // namespace blink
#endif // IdentityTransformOperation_h
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