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 MatrixTransformOperation_h
26 #define MatrixTransformOperation_h
28 #include "platform/transforms/TransformOperation.h"
29 #include "platform/transforms/TransformationMatrix.h"
33 class PLATFORM_EXPORT MatrixTransformOperation : public TransformOperation {
35 static PassRefPtr<MatrixTransformOperation> create(double a, double b, double c, double d, double e, double f)
37 return adoptRef(new MatrixTransformOperation(a, b, c, d, e, f));
40 static PassRefPtr<MatrixTransformOperation> create(const TransformationMatrix& t)
42 return adoptRef(new MatrixTransformOperation(t));
45 TransformationMatrix matrix() const { return TransformationMatrix(m_a, m_b, m_c, m_d, m_e, m_f); }
48 virtual bool isIdentity() const { return m_a == 1 && m_b == 0 && m_c == 0 && m_d == 1 && m_e == 0 && m_f == 0; }
50 virtual OperationType getOperationType() const { return Matrix; }
51 virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == Matrix; }
53 virtual bool operator==(const TransformOperation& o) const
58 const MatrixTransformOperation* m = static_cast<const MatrixTransformOperation*>(&o);
59 return m_a == m->m_a && m_b == m->m_b && m_c == m->m_c && m_d == m->m_d && m_e == m->m_e && m_f == m->m_f;
62 virtual bool apply(TransformationMatrix& transform, const FloatSize&) const
64 TransformationMatrix matrix(m_a, m_b, m_c, m_d, m_e, m_f);
65 transform.multiply(matrix);
69 virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false);
71 MatrixTransformOperation(double a, double b, double c, double d, double e, double f)
81 MatrixTransformOperation(const TransformationMatrix& t)
99 } // namespace WebCore
101 #endif // MatrixTransformOperation_h