/* * 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)