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/*
* 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 "platform/transforms/TransformOperation.h"
#include "platform/transforms/TransformationMatrix.h"
namespace blink {
class PLATFORM_EXPORT 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));
}
TransformationMatrix matrix() const { return TransformationMatrix(m_a, m_b, m_c, m_d, m_e, m_f); }
virtual bool canBlendWith(const TransformOperation& other) const
{
return false;
}
private:
virtual bool isIdentity() const OVERRIDE { return m_a == 1 && !m_b && !m_c && m_d == 1 && !m_e && !m_f; }
virtual OperationType type() const OVERRIDE { return Matrix; }
virtual bool operator==(const TransformOperation& o) const OVERRIDE
{
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 void apply(TransformationMatrix& transform, const FloatSize&) const OVERRIDE
{
TransformationMatrix matrix(m_a, m_b, m_c, m_d, m_e, m_f);
transform.multiply(matrix);
}
virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) OVERRIDE;
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 blink
#endif // MatrixTransformOperation_h