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/****************************************************************************
**
** Copyright (C) 2016 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef LIPISHAREDRECOGNIZER_H
#define LIPISHAREDRECOGNIZER_H
#include <QString>
#include <QMap>
#include "lipiworker.h"
class LTKLipiEngineInterface;
namespace QtVirtualKeyboard {
class LipiSharedRecognizer
{
Q_DISABLE_COPY(LipiSharedRecognizer)
public:
LipiSharedRecognizer();
~LipiSharedRecognizer();
QString model() const;
bool setModel(const QString &modelName);
void subsetOfClasses(const QString &charset, vector<int> &outSubsetOfClasses) const;
QSharedPointer<LipiRecognitionTask> newRecognition(const LTKCaptureDevice& deviceInfo,
const LTKScreenContext& screenContext,
const vector<int>& inSubsetOfClasses,
float confThreshold,
int numChoices);
QSharedPointer<LipiRecognitionResultsTask> startRecognition(QSharedPointer<LipiRecognitionTask> &recognitionTask);
bool cancelRecognition();
bool cancelRecognitionTask(QSharedPointer<LipiRecognitionTask> &recognitionTask);
private:
static int loadLipiInterface();
static void unloadLipiInterface();
static int loadLipiEngineConfig();
static int resolveLogicalNameToProjectProfile(const QString &logicalName, QString &outProjectName, QString &outProfileName);
static int loadModelData(const QString &logicalName);
static void unloadModelData();
static int loadMapping(const QString &mapFile);
typedef LTKLipiEngineInterface* (*FN_PTR_CREATELTKLIPIENGINE)(void);
typedef void (*FN_PTR_DELETELTKLIPIENGINE)(void);
static int s_lipiEngineRefCount;
static QString s_lipiRoot;
static QString s_lipiLib;
static void *s_lipiEngineHandle;
static FN_PTR_CREATELTKLIPIENGINE s_createLTKLipiEngine;
static FN_PTR_DELETELTKLIPIENGINE s_deleteLTKLipiEngine;
static LTKLipiEngineInterface *s_lipiEngine;
static LTKShapeRecognizer *s_shapeRecognizer;
static LipiWorker *s_lipiWorker;
static QMap<int, QChar> s_unicodeMap;
static QString s_activeModel;
static stringStringMap s_lipiEngineConfigEntries;
static int s_recognitionCount;
};
} // namespace QtVirtualKeyboard
#endif // LIPISHAREDRECOGNIZER_H
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