1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtCore module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. 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Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QTUIOOBJECT_P_H 41 #define QTUIOOBJECT_P_H 42 43 #include <Qt> 44 #include <qmath.h> 45 46 QT_BEGIN_NAMESPACE 47 48 /*! 49 \internal 50 51 A fiducial object, or token, represented by 2Dobj in TUIO 1.x and tok in TUIO 2: 52 a physical object whose position and rotation can be uniquely tracked 53 on the touchscreen surface. 54 */ 55 class QTuioToken 56 { 57 public: 58 QTuioToken(int id = -1) m_id(id)59 : m_id(id) 60 , m_classId(-1) 61 , m_x(0) 62 , m_y(0) 63 , m_vx(0) 64 , m_vy(0) 65 , m_acceleration(0) 66 , m_angle(0) 67 , m_angularVelocity(0) 68 , m_angularAcceleration(0) 69 , m_state(Qt::TouchPointPressed) 70 { 71 } 72 id()73 int id() const { return m_id; } 74 classId()75 int classId() const { return m_classId; } setClassId(int classId)76 void setClassId(int classId) { m_classId = classId; } 77 setX(float x)78 void setX(float x) 79 { 80 if (state() == Qt::TouchPointStationary && 81 !qFuzzyCompare(m_x + 2.0, x + 2.0)) { // +2 because 1 is a valid value, and qFuzzyCompare can't cope with 0.0 82 setState(Qt::TouchPointMoved); 83 } 84 m_x = x; 85 } x()86 float x() const { return m_x; } 87 setY(float y)88 void setY(float y) 89 { 90 if (state() == Qt::TouchPointStationary && 91 !qFuzzyCompare(m_y + 2.0, y + 2.0)) { // +2 because 1 is a valid value, and qFuzzyCompare can't cope with 0.0 92 setState(Qt::TouchPointMoved); 93 } 94 m_y = y; 95 } y()96 float y() const { return m_y; } 97 setVX(float vx)98 void setVX(float vx) { m_vx = vx; } vx()99 float vx() const { return m_vx; } 100 setVY(float vy)101 void setVY(float vy) { m_vy = vy; } vy()102 float vy() const { return m_vy; } 103 setAcceleration(float acceleration)104 void setAcceleration(float acceleration) { m_acceleration = acceleration; } acceleration()105 float acceleration() const { return m_acceleration; } 106 angle()107 float angle() const { return m_angle; } setAngle(float angle)108 void setAngle(float angle) 109 { 110 if (angle > M_PI) 111 angle = angle - M_PI * 2.0; // zero is pointing upwards, and is the default; but we want to have negative angles when rotating left 112 if (state() == Qt::TouchPointStationary && 113 !qFuzzyCompare(m_angle + 2.0, angle + 2.0)) { // +2 because 1 is a valid value, and qFuzzyCompare can't cope with 0.0 114 setState(Qt::TouchPointMoved); 115 } 116 m_angle = angle; 117 } 118 angularVelocity()119 float angularVelocity() const { return m_angularVelocity; } setAngularVelocity(float angularVelocity)120 void setAngularVelocity(float angularVelocity) { m_angularVelocity = angularVelocity; } 121 angularAcceleration()122 float angularAcceleration() const { return m_angularAcceleration; } setAngularAcceleration(float angularAcceleration)123 void setAngularAcceleration(float angularAcceleration) { m_angularAcceleration = angularAcceleration; } 124 setState(const Qt::TouchPointState & state)125 void setState(const Qt::TouchPointState &state) { m_state = state; } state()126 Qt::TouchPointState state() const { return m_state; } 127 128 private: 129 int m_id; // sessionID, temporary object ID 130 int m_classId; // classID (e.g. marker ID) 131 float m_x; 132 float m_y; 133 float m_vx; 134 float m_vy; 135 float m_acceleration; 136 float m_angle; 137 float m_angularVelocity; 138 float m_angularAcceleration; 139 Qt::TouchPointState m_state; 140 }; 141 Q_DECLARE_TYPEINFO(QTuioToken, Q_MOVABLE_TYPE); // Q_PRIMITIVE_TYPE: not possible: m_id, m_classId == -1 142 143 QT_END_NAMESPACE 144 145 #endif // QTUIOOBJECT_P_H 146