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| 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 "core/platform/graphics/transforms/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.getOpe
rationType() == Identity; } | |
| 43 | |
| 44 virtual bool operator==(const TransformOperation& o) const | |
| 45 { | |
| 46 return isSameType(o); | |
| 47 } | |
| 48 | |
| 49 virtual bool apply(TransformationMatrix&, const FloatSize&) const | |
| 50 { | |
| 51 return false; | |
| 52 } | |
| 53 | |
| 54 virtual PassRefPtr<TransformOperation> blend(const TransformOperation*, doub
le, bool = false) | |
| 55 { | |
| 56 return this; | |
| 57 } | |
| 58 | |
| 59 IdentityTransformOperation() | |
| 60 { | |
| 61 } | |
| 62 | |
| 63 }; | |
| 64 | |
| 65 } // namespace WebCore | |
| 66 | |
| 67 #endif // IdentityTransformOperation_h | |
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Chromium Code Reviews
Issue 45553002:
Move remaining classes in graphics/transforms to platform/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master