| /* |
| * 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, 2005-2008, 2017 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. |
| * |
| */ |
| |
| #pragma once |
| |
| #include "TransformOperation.h" |
| #include <wtf/Ref.h> |
| |
| namespace WebCore { |
| |
| class IdentityTransformOperation final : public TransformOperation { |
| public: |
| static Ref<IdentityTransformOperation> create() |
| { |
| return adoptRef(*new IdentityTransformOperation()); |
| } |
| |
| Ref<TransformOperation> clone() const override |
| { |
| return create(); |
| } |
| |
| private: |
| bool isIdentity() const override { return true; } |
| |
| bool operator==(const TransformOperation& o) const override |
| { |
| return isSameType(o); |
| } |
| |
| bool apply(TransformationMatrix&, const FloatSize&) const override |
| { |
| return false; |
| } |
| |
| Ref<TransformOperation> blend(const TransformOperation*, double, bool = false) override |
| { |
| return *this; |
| } |
| |
| void dump(WTF::TextStream&) const final; |
| |
| IdentityTransformOperation() |
| : TransformOperation(IDENTITY) |
| { |
| } |
| }; |
| |
| } // namespace WebCore |
| |
| SPECIALIZE_TYPE_TRAITS_TRANSFORMOPERATION(WebCore::IdentityTransformOperation, type() == WebCore::TransformOperation::IDENTITY) |