2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
25 #ifndef IdentityTransformOperation_h
26 #define IdentityTransformOperation_h
28 #include "platform/transforms/TransformOperation.h"
32 class PLATFORM_EXPORT IdentityTransformOperation : public TransformOperation {
34 static PassRefPtr<IdentityTransformOperation> create()
36 return adoptRef(new IdentityTransformOperation());
39 virtual bool canBlendWith(const TransformOperation& other) const
41 return isSameType(other);
45 virtual bool isIdentity() const OVERRIDE FINAL { return true; }
46 virtual OperationType type() const OVERRIDE { return Identity; }
48 virtual bool operator==(const TransformOperation& o) const OVERRIDE
53 virtual void apply(TransformationMatrix&, const FloatSize&) const OVERRIDE { }
55 virtual PassRefPtr<TransformOperation> blend(const TransformOperation*, double, bool = false) OVERRIDE
60 IdentityTransformOperation()
68 #endif // IdentityTransformOperation_h