| /* |
| * 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 SkewTransformOperation final : public TransformOperation { |
| public: |
| static Ref<SkewTransformOperation> create(double angleX, double angleY, OperationType type) |
| { |
| return adoptRef(*new SkewTransformOperation(angleX, angleY, type)); |
| } |
| |
| Ref<TransformOperation> clone() const override |
| { |
| return adoptRef(*new SkewTransformOperation(m_angleX, m_angleY, type())); |
| } |
| |
| double angleX() const { return m_angleX; } |
| double angleY() const { return m_angleY; } |
| |
| private: |
| bool isIdentity() const override { return m_angleX == 0 && m_angleY == 0; } |
| bool isAffectedByTransformOrigin() const override { return !isIdentity(); } |
| |
| bool operator==(const TransformOperation&) const override; |
| |
| bool apply(TransformationMatrix& transform, const FloatSize&) const override |
| { |
| transform.skew(m_angleX, m_angleY); |
| return false; |
| } |
| |
| Ref<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) override; |
| |
| void dump(WTF::TextStream&) const final; |
| |
| SkewTransformOperation(double angleX, double angleY, OperationType type) |
| : TransformOperation(type) |
| , m_angleX(angleX) |
| , m_angleY(angleY) |
| { |
| ASSERT(isSkewTransformOperationType()); |
| } |
| |
| double m_angleX; |
| double m_angleY; |
| }; |
| |
| } // namespace WebCore |
| |
| SPECIALIZE_TYPE_TRAITS_TRANSFORMOPERATION(WebCore::SkewTransformOperation, isSkewTransformOperationType()) |