File indexing completed on 2024-12-08 10:16:30

 /*
  * SPDX-FileCopyrightText: 2009 Kare Sars <kare dot sars at iki dot fi>
  * SPDX-FileCopyrightText: 2014 Gregor Mitsch : port to KDE5 frameworks
  * SPDX-FileCopyrightText: 2021 Alexander Stippich <a.stippich@gmx.net>
  *
  * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
  */
 
 #ifndef KSANE_SCAN_THREAD_H
 #define KSANE_SCAN_THREAD_H
 
 #include "imagebuilder.h"
 
 // Sane includes
 extern "C"
 {
 #include <sane/saneopts.h>
 #include <sane/sane.h>
 }
 
 #include <QThread>
 #include <QMutex>
 #include <QByteArray>
 #include <QImage>
 #include <QTimer>
 
 #define SCAN_READ_CHUNK_SIZE 100000
 
 namespace KSaneCore
 {
 
 class ScanThread: public QThread
 {
     Q_OBJECT
 public:
     enum ReadStatus {
         ReadOngoing,
         ReadError,
         ReadCancel,
         ReadReady
     };
 
     explicit ScanThread(SANE_Handle handle);
     void run() override;
     void setImageInverted(const QVariant &newValue);
     void setImageResolution(const QVariant &newValue);
     void cancelScan();
 
     ReadStatus frameStatus();
     SANE_Status saneStatus();
 
     void lockScanImage();
     QImage *scanImage();
     void unlockScanImage();
 
 Q_SIGNALS:
 
     void scanProgressUpdated(int progress);
 
 private:
     void readData();
     void updateScanProgress();
     void copyToScanData(int readBytes);
 
     SANE_Byte       m_readData[SCAN_READ_CHUNK_SIZE];
     SANE_Handle     m_saneHandle;
     int             m_frameSize = 0;
     int             m_frameRead = 0;
     int             m_frame_t_count = 0;
     int             m_dataSize = 0;
     int             m_dpi = 0;
     SANE_Parameters m_params;
     SANE_Status     m_saneStatus = SANE_STATUS_GOOD;
     ReadStatus      m_readStatus = ReadReady;
     bool            m_announceFirstRead = true;
     bool            m_invertColors = false;
     ImageBuilder    m_imageBuilder;
     QImage          m_image;
     QMutex          m_imageMutex;
 
     QTimer          m_emitProgressUpdateTimer;
 };
 
 } // namespace KSaneCore
 
 #endif // KSANE_SCAN_THREAD_H