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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTUIOOBJECT_P_H
#define QTUIOOBJECT_P_H
#include <Qt>
#include <qmath.h>
QT_BEGIN_NAMESPACE
/*!
\internal
A fiducial object, or token, represented by 2Dobj in TUIO 1.x and tok in TUIO 2:
a physical object whose position and rotation can be uniquely tracked
on the touchscreen surface.
*/
class QTuioToken
{
public:
QTuioToken(int id = -1)
: m_id(id)
, m_classId(-1)
, m_x(0)
, m_y(0)
, m_vx(0)
, m_vy(0)
, m_acceleration(0)
, m_angle(0)
, m_angularVelocity(0)
, m_angularAcceleration(0)
, m_state(Qt::TouchPointPressed)
{
}
int id() const { return m_id; }
int classId() const { return m_classId; }
void setClassId(int classId) { m_classId = classId; }
void setX(float x)
{
if (state() == Qt::TouchPointStationary &&
!qFuzzyCompare(m_x + 2.0, x + 2.0)) { // +2 because 1 is a valid value, and qFuzzyCompare can't cope with 0.0
setState(Qt::TouchPointMoved);
}
m_x = x;
}
float x() const { return m_x; }
void setY(float y)
{
if (state() == Qt::TouchPointStationary &&
!qFuzzyCompare(m_y + 2.0, y + 2.0)) { // +2 because 1 is a valid value, and qFuzzyCompare can't cope with 0.0
setState(Qt::TouchPointMoved);
}
m_y = y;
}
float y() const { return m_y; }
void setVX(float vx) { m_vx = vx; }
float vx() const { return m_vx; }
void setVY(float vy) { m_vy = vy; }
float vy() const { return m_vy; }
void setAcceleration(float acceleration) { m_acceleration = acceleration; }
float acceleration() const { return m_acceleration; }
float angle() const { return m_angle; }
void setAngle(float angle)
{
if (angle > M_PI)
angle = angle - M_PI * 2.0; // zero is pointing upwards, and is the default; but we want to have negative angles when rotating left
if (state() == Qt::TouchPointStationary &&
!qFuzzyCompare(m_angle + 2.0, angle + 2.0)) { // +2 because 1 is a valid value, and qFuzzyCompare can't cope with 0.0
setState(Qt::TouchPointMoved);
}
m_angle = angle;
}
float angularVelocity() const { return m_angularVelocity; }
void setAngularVelocity(float angularVelocity) { m_angularVelocity = angularVelocity; }
float angularAcceleration() const { return m_angularAcceleration; }
void setAngularAcceleration(float angularAcceleration) { m_angularAcceleration = angularAcceleration; }
void setState(const Qt::TouchPointState &state) { m_state = state; }
Qt::TouchPointState state() const { return m_state; }
private:
int m_id; // sessionID, temporary object ID
int m_classId; // classID (e.g. marker ID)
float m_x;
float m_y;
float m_vx;
float m_vy;
float m_acceleration;
float m_angle;
float m_angularVelocity;
float m_angularAcceleration;
Qt::TouchPointState m_state;
};
QT_END_NAMESPACE
#endif // QTUIOOBJECT_P_H
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