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 "platform/transforms/TransformOperation.h" 29 30 namespace WebCore { 31 32 class PLATFORM_EXPORT 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 FloatPoint3D axis() const; 50 static bool shareSameAxis(const RotateTransformOperation* fromRotation, const RotateTransformOperation* toRotation, FloatPoint3D* axis, double* fromAngle, double* toAngle); 51 52 virtual bool canBlendWith(const TransformOperation& other) const; 53 virtual OperationType type() const OVERRIDE { return m_type; } 54 55 private: 56 virtual bool isIdentity() const OVERRIDE { return !m_angle; } 57 58 virtual bool operator==(const TransformOperation& o) const OVERRIDE 59 { 60 if (!isSameType(o)) 61 return false; 62 const RotateTransformOperation* r = static_cast<const RotateTransformOperation*>(&o); 63 return m_x == r->m_x && m_y == r->m_y && m_z == r->m_z && m_angle == r->m_angle; 64 } 65 66 virtual void apply(TransformationMatrix& transform, const FloatSize& /*borderBoxSize*/) const OVERRIDE 67 { 68 transform.rotate3d(m_x, m_y, m_z, m_angle); 69 } 70 71 virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) OVERRIDE; 72 73 RotateTransformOperation(double x, double y, double z, double angle, OperationType type) 74 : m_x(x) 75 , m_y(y) 76 , m_z(z) 77 , m_angle(angle) 78 , m_type(type) 79 { 80 ASSERT(type == RotateX || type == RotateY || type == RotateZ || type == Rotate3D); 81 } 82 83 double m_x; 84 double m_y; 85 double m_z; 86 double m_angle; 87 OperationType m_type; 88 }; 89 90 } // namespace WebCore 91 92 #endif // RotateTransformOperation_h 93
