QcepImageQueue< T > Class Template Reference

#include <qcepimagequeue.h>

Inheritance diagram for QcepImageQueue< T >:

Collaboration diagram for QcepImageQueue< T >:

Public Member Functions
	QcepImageQueue (QString name)
	~QcepImageQueue ()
QSharedPointer< T >	dequeue ()
void	enqueue (QSharedPointer< T > data)
int	size () const
QSharedPointer< T >	operator[] (int n)
void	deallocate ()

Properties
int	nRows
int	nCols

Private Attributes
QMutex	m_Lock
QQueue< QSharedPointer< T > >	m_Queue
QString	m_Name

Detailed Description

template<typename T>
class QcepImageQueue< T >

Definition at line 13 of file qcepimagequeue.h.

Constructor & Destructor Documentation

template<typename T >

QcepImageQueue< T >::QcepImageQueue

(

QString

name

)

Definition at line 7 of file qcepimagequeue.cpp.

References DEBUG_QUEUES, g_Application, HEXARG, QcepImageQueue< T >::m_Name, QcepImageQueue< T >::m_Queue, QcepApplication::printMessage(), and qcepDebug().

  : m_NRows(QcepSettingsSaverPtr(), NULL, "nRows", 2048, "Number of Rows in Queued Images"),
    m_NCols(QcepSettingsSaverPtr(), NULL, "nCols", 2048, "Number of Cols in Queued Images"),
    m_Name(name)
{
  if (g_Application && qcepDebug(DEBUG_QUEUES)) {
    g_Application->printMessage(tr("QcepImageQueue<T>::QcepImageQueue(%1) %2 begin [contains %3]")
                      .arg(m_Name).HEXARG(this).arg(m_Queue.size()));
  }
}

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template<typename T >

QcepImageQueue< T >::~QcepImageQueue

(

)

Definition at line 19 of file qcepimagequeue.cpp.

References DEBUG_QUEUES, g_Application, HEXARG, QcepApplication::printMessage(), and qcepDebug().

{
  if (g_Application && qcepDebug(DEBUG_QUEUES)) {
    g_Application->printMessage(tr("QcepImageQueue<T>::~QcepImageQueue(%1) %2 begin [contains %3]")
                      .arg(m_Name).HEXARG(this).arg(m_Queue.size()));
  }

  deallocate();

  if (g_Application && qcepDebug(DEBUG_QUEUES)) {
    g_Application->printMessage(tr("QcepImageQueue<T>::~QcepImageQueue(%1) %2 end [contains %3]")
                      .arg(m_Name).HEXARG(this).arg(m_Queue.size()));
  }
}

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Member Function Documentation

template<typename T >

void QcepImageQueue< T >::deallocate

(

)

Definition at line 35 of file qcepimagequeue.cpp.

References DEBUG_QUEUES, g_Application, HEXARG, QcepApplication::printMessage(), and qcepDebug().

{
  QMutexLocker lock(&m_Lock);

  while (!m_Queue.isEmpty()) {
    QSharedPointer<T> img = m_Queue.dequeue();
    if (g_Application && qcepDebug(DEBUG_QUEUES)) {
      g_Application->printMessage(tr("Deallocate %1").HEXARG(img.data()));
    }
  }
}

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template<typename T >

QSharedPointer< T > QcepImageQueue< T >::dequeue

(

)

Definition at line 48 of file qcepimagequeue.cpp.

References DEBUG_QUEUES, g_Application, HEXARG, QcepApplication::printMessage(), and qcepDebug().

Referenced by QxrdDetector::acquireFrame().

{
  QMutexLocker lock(&m_Lock);

  if (m_Queue.isEmpty()) {
    if (g_Application && qcepDebug(DEBUG_QUEUES)) {
      g_Application->printMessage(tr("QcepImageQueue::dequeue() = NULL from %1").arg(m_Name));
    }

    return QSharedPointer<T>(NULL);
  } else {
    QSharedPointer<T> res = m_Queue.dequeue();

    if (g_Application && qcepDebug(DEBUG_QUEUES)) {
      g_Application->printMessage(tr("QcepImageQueue::dequeue() = %1 from %2, leaving %3")
                        .HEXARG(res.data()).arg(m_Name).arg(m_Queue.size()));
    }

    return res;
  }
}

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template<typename T>

void QcepImageQueue< T >::enqueue

(

QSharedPointer< T >

data

)

Definition at line 83 of file qcepimagequeue.cpp.

References DEBUG_QUEUES, g_Application, HEXARG, QcepApplication::printMessage(), and qcepDebug().

Referenced by QxrdDetector::enqueueAcquiredFrame().

{
  QMutexLocker lock(&m_Lock);

  if (g_Application && qcepDebug(DEBUG_QUEUES)) {
    g_Application->printMessage(tr("QcepImageQueue::enqueue(%1) into %2, starting with %3")
                      .HEXARG(data.data()).arg(m_Name).arg(m_Queue.size()));
  }

  if (data) {
    m_Queue.enqueue(data);
  }
}

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template<typename T >

QSharedPointer< T > QcepImageQueue< T >::operator[]

(

int

n

)

Definition at line 71 of file qcepimagequeue.cpp.

{
  QMutexLocker lock(&m_Lock);

  if (n < 0 || n >= m_Queue.size()) {
    return QSharedPointer<T>(NULL);
  } else {
    return m_Queue[n];
  }
}

template<typename T >

int QcepImageQueue< T >::size

(

)

const

Definition at line 98 of file qcepimagequeue.cpp.

References DEBUG_QUEUES, g_Application, QcepApplication::printMessage(), and qcepDebug().

{
  QMutexLocker lock(&m_Lock);

  if (g_Application && qcepDebug(DEBUG_QUEUES)) {
    g_Application->printMessage(tr("QcepImageQueue::size() = %1 for %2")
                      .arg(m_Queue.size()).arg(m_Name));
  }

  return m_Queue.size();
}

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Member Data Documentation

template<typename T>

QMutex QcepImageQueue< T >::m_Lock

mutableprivate

Definition at line 34 of file qcepimagequeue.h.

template<typename T>

QString QcepImageQueue< T >::m_Name

private

Definition at line 36 of file qcepimagequeue.h.

Referenced by QcepImageQueue< T >::QcepImageQueue().

template<typename T>

QQueue< QSharedPointer<T> > QcepImageQueue< T >::m_Queue

private

Definition at line 35 of file qcepimagequeue.h.

Referenced by QcepImageQueue< T >::QcepImageQueue().

Property Documentation

template<typename T>

int QcepImageQueue< T >::nCols

readwrite

Definition at line 30 of file qcepimagequeue.h.

template<typename T>

int QcepImageQueue< T >::nRows

readwrite

Definition at line 27 of file qcepimagequeue.h.

---

The documentation for this class was generated from the following files:

• qcepimagequeue.h (Commit a65ccc9... : jennings : 2016-03-15 14:00:18 -0500)
• qcepimagequeue.cpp (Commit a65ccc9... : jennings : 2016-03-15 14:00:18 -0500)