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      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 
     31 namespace WebCore {
     32 
     33 class Matrix3DTransformOperation : public TransformOperation {
     34 public:
     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 
     42 private:
     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