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 "platform/transforms/TransformOperation.h" 30 31namespace WebCore { 32 33class PLATFORM_EXPORT 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 42 virtual bool canBlendWith(const TransformOperation& other) const 43 { 44 return false; 45 } 46 47private: 48 virtual bool isIdentity() const OVERRIDE { return m_matrix.isIdentity(); } 49 50 virtual OperationType type() const OVERRIDE { return Matrix3D; } 51 52 virtual bool operator==(const TransformOperation& o) const OVERRIDE 53 { 54 if (!isSameType(o)) 55 return false; 56 const Matrix3DTransformOperation* m = static_cast<const Matrix3DTransformOperation*>(&o); 57 return m_matrix == m->m_matrix; 58 } 59 60 virtual void apply(TransformationMatrix& transform, const FloatSize&) const OVERRIDE 61 { 62 transform.multiply(TransformationMatrix(m_matrix)); 63 } 64 65 virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) OVERRIDE; 66 67 Matrix3DTransformOperation(const TransformationMatrix& mat) 68 { 69 m_matrix = mat; 70 } 71 72 TransformationMatrix m_matrix; 73}; 74 75} // namespace WebCore 76 77#endif // Matrix3DTransformOperation_h 78