/* | |
* 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 |