1/*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef Matrix3DTransformOperation_h
27#define Matrix3DTransformOperation_h
28
29#include "TransformOperation.h"
30
31namespace WebCore {
32
33class Matrix3DTransformOperation : public TransformOperation {
34public:
35    static PassRefPtr<Matrix3DTransformOperation> create(const TransformationMatrix& matrix)
36    {
37        return adoptRef(new Matrix3DTransformOperation(matrix));
38    }
39
40    TransformationMatrix matrix() const {return m_matrix; }
41
42private:
43    virtual bool isIdentity() const { return m_matrix.isIdentity(); }
44
45    virtual OperationType getOperationType() const { return MATRIX_3D; }
46    virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == MATRIX_3D; }
47
48    virtual bool operator==(const TransformOperation& o) const
49    {
50        if (!isSameType(o))
51            return false;
52        const Matrix3DTransformOperation* m = static_cast<const Matrix3DTransformOperation*>(&o);
53        return m_matrix == m->m_matrix;
54    }
55
56    virtual bool apply(TransformationMatrix& transform, const IntSize&) const
57    {
58        transform.multiply(TransformationMatrix(m_matrix));
59        return false;
60    }
61
62    virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false);
63
64    Matrix3DTransformOperation(const TransformationMatrix& mat)
65    {
66        m_matrix = mat;
67    }
68
69    TransformationMatrix m_matrix;
70};
71
72} // namespace WebCore
73
74#endif // Matrix3DTransformOperation_h
75