projects / iphone-api.git / blame
| Commit | Line | Data |
|---|---|---|
| a90939db JF |
1 | /* |
| 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) | |
| 7 | * | |
| 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. | |
| 12 | * | |
| 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. | |
| 17 | * | |
| 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. | |
| 22 | * | |
| 23 | */ | |
| 24 | ||
| 25 | #ifndef IdentityTransformOperation_h | |
| 26 | #define IdentityTransformOperation_h | |
| 27 | ||
| 28 | #include "TransformOperation.h" | |
| 29 | ||
| 30 | namespace WebCore { | |
| 31 | ||
| 32 | class IdentityTransformOperation : public TransformOperation { | |
| 33 | public: | |
| 34 | static PassRefPtr<IdentityTransformOperation> create() | |
| 35 | { | |
| 36 | return adoptRef(new IdentityTransformOperation()); | |
| 37 | } | |
| 38 | ||
| 39 | private: | |
| 40 | virtual bool isIdentity() const { return true; } | |
| 41 | virtual OperationType getOperationType() const { return IDENTITY; } | |
| 42 | virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == IDENTITY; } | |
| 43 | ||
| 44 | virtual bool operator==(const TransformOperation& o) const | |
| 45 | { | |
| 46 | return isSameType(o); | |
| 47 | } | |
| 48 | ||
| 49 | virtual bool apply(TransformationMatrix&, const IntSize&) const | |
| 50 | { | |
| 51 | return false; | |
| 52 | } | |
| 53 | ||
| 54 | virtual PassRefPtr<TransformOperation> blend(const TransformOperation*, double, bool = false) | |
| 55 | { | |
| 56 | return this; | |
| 57 | } | |
| 58 | ||
| 59 | IdentityTransformOperation() | |
| 60 | { | |
| 61 | } | |
| 62 | ||
| 63 | }; | |
| 64 | ||
| 65 | } // namespace WebCore | |
| 66 | ||
| 67 | #endif // IdentityTransformOperation_h |