| 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. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. 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) |
| 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(QEventPoint::State::Pressed) |
| 70 | { |
| 71 | } |
| 72 | |
| 73 | int id() const { return m_id; } |
| 74 | |
| 75 | int classId() const { return m_classId; } |
| 76 | void setClassId(int classId) { m_classId = classId; } |
| 77 | |
| 78 | void setX(float x) |
| 79 | { |
| 80 | if (state() == QEventPoint::State::Stationary && |
| 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(QEventPoint::State::Updated); |
| 83 | } |
| 84 | m_x = x; |
| 85 | } |
| 86 | float x() const { return m_x; } |
| 87 | |
| 88 | void setY(float y) |
| 89 | { |
| 90 | if (state() == QEventPoint::State::Stationary && |
| 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(QEventPoint::State::Updated); |
| 93 | } |
| 94 | m_y = y; |
| 95 | } |
| 96 | float y() const { return m_y; } |
| 97 | |
| 98 | void setVX(float vx) { m_vx = vx; } |
| 99 | float vx() const { return m_vx; } |
| 100 | |
| 101 | void setVY(float vy) { m_vy = vy; } |
| 102 | float vy() const { return m_vy; } |
| 103 | |
| 104 | void setAcceleration(float acceleration) { m_acceleration = acceleration; } |
| 105 | float acceleration() const { return m_acceleration; } |
| 106 | |
| 107 | float angle() const { return m_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() == QEventPoint::State::Stationary && |
| 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(QEventPoint::State::Updated); |
| 115 | } |
| 116 | m_angle = angle; |
| 117 | } |
| 118 | |
| 119 | float angularVelocity() const { return m_angularVelocity; } |
| 120 | void setAngularVelocity(float angularVelocity) { m_angularVelocity = angularVelocity; } |
| 121 | |
| 122 | float angularAcceleration() const { return m_angularAcceleration; } |
| 123 | void setAngularAcceleration(float angularAcceleration) { m_angularAcceleration = angularAcceleration; } |
| 124 | |
| 125 | void setState(const QEventPoint::State &state) { m_state = state; } |
| 126 | QEventPoint::State 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 | QEventPoint::State 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 | |