| /* |
| * 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, 2006, 2007, 2008 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. |
| * |
| */ |
| |
| #ifndef MatrixTransformOperation_h |
| #define MatrixTransformOperation_h |
| |
| #include "TransformOperation.h" |
| #include "TransformationMatrix.h" |
| |
| namespace WebCore { |
| |
| class MatrixTransformOperation : public TransformOperation { |
| public: |
| static PassRefPtr<MatrixTransformOperation> create(double a, double b, double c, double d, double e, double f) |
| { |
| return adoptRef(new MatrixTransformOperation(a, b, c, d, e, f)); |
| } |
| |
| static PassRefPtr<MatrixTransformOperation> create(const TransformationMatrix& t) |
| { |
| return adoptRef(new MatrixTransformOperation(t)); |
| } |
| |
| private: |
| virtual bool isIdentity() const { return m_a == 1 && m_b == 0 && m_c == 0 && m_d == 1 && m_e == 0 && m_f == 0; } |
| |
| virtual OperationType getOperationType() const { return MATRIX; } |
| virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == MATRIX; } |
| |
| virtual bool operator==(const TransformOperation& o) const |
| { |
| if (!isSameType(o)) |
| return false; |
| |
| const MatrixTransformOperation* m = static_cast<const MatrixTransformOperation*>(&o); |
| 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; |
| } |
| |
| virtual bool apply(TransformationMatrix& transform, const IntSize&) const |
| { |
| TransformationMatrix matrix(m_a, m_b, m_c, m_d, m_e, m_f); |
| transform.multLeft(TransformationMatrix(matrix)); |
| return false; |
| } |
| |
| virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false); |
| |
| MatrixTransformOperation(double a, double b, double c, double d, double e, double f) |
| : m_a(a) |
| , m_b(b) |
| , m_c(c) |
| , m_d(d) |
| , m_e(e) |
| , m_f(f) |
| { |
| } |
| |
| MatrixTransformOperation(const TransformationMatrix& t) |
| : m_a(t.a()) |
| , m_b(t.b()) |
| , m_c(t.c()) |
| , m_d(t.d()) |
| , m_e(t.e()) |
| , m_f(t.f()) |
| { |
| } |
| |
| double m_a; |
| double m_b; |
| double m_c; |
| double m_d; |
| double m_e; |
| double m_f; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // MatrixTransformOperation_h |