1 /* 2 * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org) 3 * (C) 2000 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2000 Dirk Mueller (mueller (at) kde.org) 5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 6 * Copyright (C) 2006 Graham Dennis (graham.dennis (at) gmail.com) 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25 #ifndef RotateTransformOperation_h 26 #define RotateTransformOperation_h 27 28 #include "TransformOperation.h" 29 30 namespace WebCore { 31 32 class RotateTransformOperation : public TransformOperation { 33 public: 34 static PassRefPtr<RotateTransformOperation> create(double angle, OperationType type) 35 { 36 return adoptRef(new RotateTransformOperation(0, 0, 1, angle, type)); 37 } 38 39 static PassRefPtr<RotateTransformOperation> create(double x, double y, double z, double angle, OperationType type) 40 { 41 return adoptRef(new RotateTransformOperation(x, y, z, angle, type)); 42 } 43 44 double x() const { return m_x; } 45 double y() const { return m_y; } 46 double z() const { return m_z; } 47 double angle() const { return m_angle; } 48 49 private: 50 virtual bool isIdentity() const { return m_angle == 0; } 51 52 virtual OperationType getOperationType() const { return m_type; } 53 virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == m_type; } 54 55 virtual bool operator==(const TransformOperation& o) const 56 { 57 if (!isSameType(o)) 58 return false; 59 const RotateTransformOperation* r = static_cast<const RotateTransformOperation*>(&o); 60 return m_x == r->m_x && m_y == r->m_y && m_z == r->m_z && m_angle == r->m_angle; 61 } 62 63 virtual bool apply(TransformationMatrix& transform, const IntSize& /*borderBoxSize*/) const 64 { 65 transform.rotate3d(m_x, m_y, m_z, m_angle); 66 return false; 67 } 68 69 virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false); 70 71 RotateTransformOperation(double x, double y, double z, double angle, OperationType type) 72 : m_x(x) 73 , m_y(y) 74 , m_z(z) 75 , m_angle(angle) 76 , m_type(type) 77 { 78 ASSERT(type == ROTATE_X || type == ROTATE_Y || type == ROTATE_Z || type == ROTATE_3D); 79 } 80 81 double m_x; 82 double m_y; 83 double m_z; 84 double m_angle; 85 OperationType m_type; 86 }; 87 88 } // namespace WebCore 89 90 #endif // RotateTransformOperation_h 91