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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Virtual Keyboard module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtVirtualKeyboard/private/unipentrace_p.h>
#include <QRectF>
#include <QDir>
#include <QFile>
#include <QDebug>
QT_BEGIN_NAMESPACE
namespace QtVirtualKeyboard {
UnipenTrace::UnipenTrace(const QVariantMap &traceCaptureDeviceInfo,
const QVariantMap &traceScreenInfo,
QObject *parent) :
QObject(parent)
{
m_lines.append(QLatin1String(".VERSION 1.0"));
m_lines.append(QLatin1String(".HIERARCHY CHARACTER"));
m_lines.append(QLatin1String(".COORD X Y T"));
m_lines.append(QLatin1String(".SEGMENT CHARACTER"));
const QRectF boundingBox = traceScreenInfo[QLatin1String("boundingBox")].toRectF();
if (!boundingBox.isEmpty()) {
m_lines.append(QStringLiteral(".X_DIM %1").arg(qRound(boundingBox.right())));
m_lines.append(QStringLiteral(".Y_DIM %1").arg(qRound(boundingBox.bottom())));
}
bool ok = false;
int dpi = traceCaptureDeviceInfo[QLatin1String("dpi")].toInt(&ok);
if (ok) {
m_lines.append(QStringLiteral(".X_POINTS_PER_INCH %1").arg(dpi));
m_lines.append(QStringLiteral(".Y_POINTS_PER_INCH %1").arg(dpi));
}
ok = false;
int sampleRate = traceCaptureDeviceInfo[QLatin1String("sampleRate")].toInt(&ok);
if (ok)
m_lines.append(QStringLiteral(".POINTS_PER_SECOND %1").arg(sampleRate));
}
void UnipenTrace::record(const QList<QVirtualKeyboardTrace *> &traceList)
{
qlonglong t0 = 0;
for (const QVirtualKeyboardTrace *trace : qAsConst(traceList)) {
const QVariantList &points = trace->points();
const bool hasTime = trace->channels().contains(QLatin1String("t"));
const QVariantList timeData = hasTime ? trace->channelData(QLatin1String("t")) : QVariantList();
QVariantList::ConstIterator t = timeData.constBegin();
if (t0 == 0 && hasTime)
t0 = t->toLongLong();
m_lines.append(QLatin1String(".PEN_DOWN"));
for (const QVariant &point : points) {
const QPointF pt(point.toPointF());
QString pointStr(QStringLiteral("%1 %2 ").arg(qRound(pt.x())).arg(qRound(pt.y())));
if (hasTime) {
pointStr.append(QString::number(t->toLongLong() - t0));
t++;
} else {
pointStr.append(QLatin1String("0"));
}
m_lines.append(pointStr);
}
m_lines.append(QLatin1String(".PEN_UP"));
}
}
void UnipenTrace::save(uint unicode, uint confidence)
{
if (m_directory.isEmpty())
return;
QString fileName;
QDir fileDir(m_directory);
if (!fileDir.exists())
fileDir.mkpath(m_directory);
if (fileDir.exists()) {
int fileIndex = 0;
do {
fileName = fileDir.absoluteFilePath(QStringLiteral("%1_%2_%3.txt").arg(unicode).arg(confidence, 3, 10, QLatin1Char('0')).arg(fileIndex++));
} while (QFileInfo::exists(fileName));
}
QString dataStr(m_lines.join(QLatin1Char('\n')));
dataStr.append(QLatin1Char('\n'));
QFile file(fileName);
if (file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate)) {
file.write(dataStr.toUtf8().constData());
} else {
qWarning() << "Cannot open file for writing" << fileName;
}
}
QString UnipenTrace::directory() const
{
return m_directory;
}
void UnipenTrace::setDirectory(const QString &directory)
{
m_directory = directory;
}
}
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