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)
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.
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.
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.
25 #ifndef SkewTransformOperation_h
26 #define SkewTransformOperation_h
28 #include "platform/transforms/TransformOperation.h"
32 class PLATFORM_EXPORT SkewTransformOperation : public TransformOperation {
34 static PassRefPtr<SkewTransformOperation> create(double angleX, double angleY, OperationType type)
36 return adoptRef(new SkewTransformOperation(angleX, angleY, type));
39 double angleX() const { return m_angleX; }
40 double angleY() const { return m_angleY; }
42 virtual bool canBlendWith(const TransformOperation& other) const;
44 virtual OperationType type() const override { return m_type; }
46 virtual bool operator==(const TransformOperation& o) const override
50 const SkewTransformOperation* s = static_cast<const SkewTransformOperation*>(&o);
51 return m_angleX == s->m_angleX && m_angleY == s->m_angleY;
54 virtual void apply(TransformationMatrix& transform, const FloatSize&) const override
56 transform.skew(m_angleX, m_angleY);
59 virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) override;
61 SkewTransformOperation(double angleX, double angleY, OperationType type)
75 #endif // SkewTransformOperation_h