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ksane_scan_thread.h
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1 /* ============================================================
2  *
3  * This file is part of the KDE project
4  *
5  * Date : 2009-11-13
6  * Description : Sane interface for KDE
7  *
8  * Copyright (C) 2009 by Kare Sars <kare dot sars at iki dot fi>
9  *
10  * This library is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Lesser General Public
12  * License as published by the Free Software Foundation; either
13  * version 2.1 of the License, or (at your option) version 3, or any
14  * later version accepted by the membership of KDE e.V. (or its
15  * successor approved by the membership of KDE e.V.), which shall
16  * act as a proxy defined in Section 6 of version 3 of the license.
17  *
18  * This library is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21  * Lesser General Public License for more details.
22  *
23  * You should have received a copy of the GNU Lesser General Public
24  * License along with this program. If not, see <http://www.gnu.org/licenses/>.
25  *
26  * ============================================================ */
27 
28 #ifndef KSANE_SCAN_THREAD_H
29 #define KSANE_SCAN_THREAD_H
30 
31 // Sane includes
32 extern "C"
33 {
34  #include <sane/saneopts.h>
35  #include <sane/sane.h>
36 }
37 
38 #include <QThread>
39 #include <QByteArray>
40 
41 #define SCAN_READ_CHUNK_SIZE 100000
42 
43 namespace KSaneIface
44 {
45  class KSaneScanThread: public QThread
46  {
47  Q_OBJECT
48  public:
49  typedef enum
50  {
51  READ_ON_GOING,
52  READ_ERROR,
53  READ_CANCEL,
54  READ_READY
55  } ReadStatus;
56 
57  KSaneScanThread(SANE_Handle handle, QByteArray *data);
58  void run();
59  void setImageInverted(bool);
60  void cancelScan();
61  int scanProgress();
62  bool saneStartDone();
63 
64  ReadStatus frameStatus();
65  SANE_Status saneStatus();
66  SANE_Parameters saneParameters();
67 
68  private:
69  void readData();
70  void copyToScanData(int readBytes);
71 
72  SANE_Byte m_readData[SCAN_READ_CHUNK_SIZE];
73  QByteArray *m_data;
74  SANE_Handle m_saneHandle;
75  SANE_Parameters m_params;
76  int m_frameSize;
77  int m_frameRead;
78  int m_frame_t_count;
79  int m_dataSize;
80  SANE_Status m_saneStatus;
81  ReadStatus m_readStatus;
82  bool m_invertColors;
83  bool m_saneStartDone;
84  };
85 }
86 
87 
88 #endif
KSaneIface::KSaneScanThread::setImageInverted
void setImageInverted(bool)
Definition: ksane_scan_thread.cpp:51
QByteArray
KSaneIface::KSaneScanThread
Definition: ksane_scan_thread.h:45
KSaneIface::KSaneScanThread::READ_ERROR
Definition: ksane_scan_thread.h:52
KSaneIface::KSaneScanThread::ReadStatus
ReadStatus
Definition: ksane_scan_thread.h:49
KSaneIface::KSaneScanThread::READ_ON_GOING
Definition: ksane_scan_thread.h:51
KSaneIface::KSaneScanThread::READ_READY
Definition: ksane_scan_thread.h:54
KSaneIface::KSaneScanThread::scanProgress
int scanProgress()
Definition: ksane_scan_thread.cpp:71
SCAN_READ_CHUNK_SIZE
#define SCAN_READ_CHUNK_SIZE
Definition: ksane_scan_thread.h:41
KSaneIface::KSaneScanThread::READ_CANCEL
Definition: ksane_scan_thread.h:53
KSaneIface::KSaneScanThread::saneStartDone
bool saneStartDone()
Definition: ksane_scan_thread.cpp:306
KSaneIface::KSaneScanThread::frameStatus
ReadStatus frameStatus()
Definition: ksane_scan_thread.cpp:61
KSaneIface::KSaneScanThread::saneStatus
SANE_Status saneStatus()
Definition: ksane_scan_thread.cpp:56
KSaneIface::KSaneScanThread::saneParameters
SANE_Parameters saneParameters()
Definition: ksane_scan_thread.cpp:86
KSaneIface::KSaneScanThread::cancelScan
void cancelScan()
Definition: ksane_scan_thread.cpp:66
QThread
KSaneIface::KSaneScanThread::KSaneScanThread
KSaneScanThread(SANE_Handle handle, QByteArray *data)
Definition: ksane_scan_thread.cpp:37
KSaneIface::KSaneScanThread::run
void run()
Definition: ksane_scan_thread.cpp:91
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