diff options
Diffstat (limited to 'src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp')
| -rw-r--r-- | src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp b/src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp deleted file mode 100644 index 33688706..00000000 --- a/src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp +++ /dev/null @@ -1,213 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtSensors 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qpickupsensorgesturerecognizer.h" - -#include <QtCore/qmath.h> - -#define TIMER_TIMEOUT 250 - -QT_BEGIN_NAMESPACE - -QPickupSensorGestureRecognizer::QPickupSensorGestureRecognizer(QObject *parent) - : QSensorGestureRecognizer(parent) - , accelReading(0) - , active(0) - , pXaxis(0) - , pYaxis(0) - , pZaxis(0) - , lastpitch(0) - , detecting(0) -{ -} - -QPickupSensorGestureRecognizer::~QPickupSensorGestureRecognizer() -{ -} - -void QPickupSensorGestureRecognizer::create() -{ -} - -QString QPickupSensorGestureRecognizer::id() const -{ - return QString("QtSensors.pickup"); -} - -bool QPickupSensorGestureRecognizer::start() -{ - if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::Accel)) { - active = true; - connect(QtSensorGestureSensorHandler::instance(),SIGNAL(accelReadingChanged(QAccelerometerReading*)), - this,SLOT(accelChanged(QAccelerometerReading*))); - } else { - QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Accel); - active = false; - } - clear(); - - return active; - -} - -bool QPickupSensorGestureRecognizer::stop() -{ - QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Accel); - disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(accelReadingChanged(QAccelerometerReading*)), - this,SLOT(accelChanged(QAccelerometerReading*))); - active = false; - - return active; -} - -bool QPickupSensorGestureRecognizer::isActive() -{ - return active; -} - -#define PICKUP_BOTTOM_THRESHOLD 25 -#define PICKUP_TOP_THRESHOLD 80 -#define PICKUP_ANGLE_THRESHOLD 25 -#define PICKUP_ROLL_THRESHOLD 13 - -void QPickupSensorGestureRecognizer::accelChanged(QAccelerometerReading *reading) -{ - accelReading = reading; - const qreal x = reading->x(); - const qreal y = reading->y(); - const qreal z = reading->z(); - const qreal xdiff = pXaxis - x; - const qreal ydiff = pYaxis - y; - const qreal zdiff = pZaxis - z; - - qreal pitch = qRadiansToDegrees(qAtan(y / qSqrt(x * x + z * z))); - qreal roll = qRadiansToDegrees(qAtan(x / qSqrt(y * y + z * z))); - - if ((qAbs(xdiff) < 0.7 && qAbs(ydiff) < .7 && qAbs(zdiff) < .7) - || z < 0) { - detecting = false; - } else if (pitch > PICKUP_BOTTOM_THRESHOLD && pitch < PICKUP_TOP_THRESHOLD) { - detecting = true; - } - - if ( pitchList.count() > 21) { - pitchList.removeFirst(); - } - if ( rollList.count() > 21) { - rollList.removeFirst(); - } - - if (pitch > 1) { - pitchList.append(pitch); - } - if (roll > 1) { - rollList.append(roll); - } - - if (detecting && pitchList.count() > 5 ) { - timeout(); - } - - lastpitch = pitch; - pXaxis = x; - pYaxis = y; - pZaxis = z; -} - -void QPickupSensorGestureRecognizer::timeout() -{ - qreal averageRoll = 0; - for (int r = 0; r < rollList.count(); r++) { - averageRoll += rollList.at(r); - } - averageRoll /= rollList.count(); - - if (averageRoll > PICKUP_ROLL_THRESHOLD) { - clear(); - return; - } - if (pitchList.isEmpty() - || pitchList.at(0) > PICKUP_BOTTOM_THRESHOLD) { - clear(); - return; - } - - qreal previousPitch = 0; - qreal startPitch = -1.0; - int goodCount = 0; - - qreal averagePitch = 0; - for (int i = 0; i < pitchList.count(); i++) { - averagePitch += pitchList.at(i); - if (previousPitch < pitchList.at(i) - && qAbs(pitchList.at(i)) - qAbs(previousPitch) < 20) { - if (goodCount == 1 && previousPitch != 0) { - startPitch = previousPitch; - } - goodCount++; - } - - previousPitch = pitchList.at(i); - } - averagePitch /= pitchList.count(); - - if (averagePitch < 5) { - clear(); - return; - } - - if (goodCount >= 3 && - (pitchList.last() < PICKUP_TOP_THRESHOLD - && pitchList.last() > PICKUP_BOTTOM_THRESHOLD) - && startPitch > 0 - && (pitchList.last() - startPitch) > PICKUP_ANGLE_THRESHOLD) { - Q_EMIT pickup(); - Q_EMIT detected("pickup"); - } - clear(); -} - -void QPickupSensorGestureRecognizer::clear() -{ - pitchList.clear(); - detecting = false; -} - -QT_END_NAMESPACE - |