| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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 LIPIWORKER_P_H |
| #define LIPIWORKER_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QThread> |
| #include <QSemaphore> |
| #include <QMutex> |
| #include <QStringList> |
| #include <QSharedPointer> |
| #include <QMap> |
| |
| #include "LTKTypes.h" |
| #include "LTKCaptureDevice.h" |
| #include "LTKScreenContext.h" |
| #include "LTKTraceGroup.h" |
| #include "LTKChannel.h" |
| #include "LTKTraceFormat.h" |
| #include "LTKTrace.h" |
| #include "LTKShapeRecognizer.h" |
| #include "LTKShapeRecoResult.h" |
| |
| QT_BEGIN_NAMESPACE |
| namespace QtVirtualKeyboard { |
| |
| class LipiTask : public QObject |
| { |
| Q_OBJECT |
| public: |
| explicit LipiTask(QObject *parent = nullptr) : |
| QObject(parent), |
| shapeRecognizer(nullptr) |
| {} |
| |
| virtual void run() = 0; |
| |
| LTKShapeRecognizer *shapeRecognizer; |
| }; |
| |
| class LipiLoadModelDataTask : public LipiTask |
| { |
| Q_OBJECT |
| public: |
| void run(); |
| }; |
| |
| class LipiRecognitionTask : public LipiTask |
| { |
| Q_OBJECT |
| public: |
| explicit LipiRecognitionTask(const LTKCaptureDevice& deviceInfo, |
| const LTKScreenContext& screenContext, |
| const vector<int>& inSubsetOfClasses, |
| float confThreshold, |
| int numChoices, |
| int resultId); |
| |
| void run(); |
| bool cancelRecognition(); |
| int resultId() const; |
| |
| LTKTraceGroup traceGroup; |
| |
| private: |
| friend class LipiSharedRecognizer; |
| const QMap<int, QChar> unicodeMap; |
| const LTKCaptureDevice deviceInfo; |
| const LTKScreenContext screenContext; |
| const vector<int> inSubsetOfClasses; |
| const float confThreshold; |
| const int numChoices; |
| QSharedPointer<vector<LTKShapeRecoResult> > resultVector; |
| const int _resultId; |
| QMutex stateLock; |
| bool stateRunning; |
| bool stateCancelled; |
| }; |
| |
| class LipiRecognitionResultsTask : public LipiTask |
| { |
| Q_OBJECT |
| public: |
| explicit LipiRecognitionResultsTask(QSharedPointer<vector<LTKShapeRecoResult> > resultVector, |
| const QMap<int, QChar> &unicodeMap, |
| int resultId); |
| |
| void run(); |
| |
| signals: |
| void resultsAvailable(const QVariantList &resultList); |
| |
| private: |
| QSharedPointer<vector<LTKShapeRecoResult> > resultVector; |
| const QMap<int, QChar> &unicodeMap; |
| const int _resultId; |
| }; |
| |
| class LipiWorker : public QThread |
| { |
| Q_OBJECT |
| public: |
| explicit LipiWorker(LTKShapeRecognizer *shapeRecognizer, QObject *parent = nullptr); |
| ~LipiWorker(); |
| |
| void addTask(QSharedPointer<LipiTask> task); |
| int removeTask(QSharedPointer<LipiTask> task); |
| int removeAllTasks(); |
| |
| protected: |
| void run(); |
| |
| private: |
| QList<QSharedPointer<LipiTask> > taskList; |
| QSemaphore taskSema; |
| QMutex taskLock; |
| LTKShapeRecognizer *shapeRecognizer; |
| QBasicAtomicInt abort; |
| }; |
| |
| } // namespace QtVirtualKeyboard |
| QT_END_NAMESPACE |
| |
| #endif // LIPIWORKER_P_H |