/// <summary>
/// Thread processing main loop fucntion
/// </summary>
private void StartThreadProcessing()
{
try
{
for (int i = 0; i < this.ImageFilelist.Length; i++)
{
this.CurrentRowID = i;
string filename = this.ImageFilelist[this.CurrentRowID];
Rect[] faces = this.FaceDetector.GetDetectedFaces(filename);
ProcessedRowData data = new ProcessedRowData(this.CurrentRowID, filename, faces);
//invoking main delegate finction to update UI thread
this.Invoke(new UpDateDisplayImagesDelegate(UpDateDisplayImages), data);
// adding sleep to slow down for lesser cpu power load.
Thread.Sleep(100);
}
}
catch (Exception)
{
this.MainThread.Abort();
}
finally
{
this.Invoke(new FinalThreadActivationDeligation(FinalThreadActivation));
}
}
/// <summary>
/// DatagridView click handling function
/// </summary>
private void LoadingCellClickContent()
{
//TODO fix form creation mode
ProcessedRowData data = new ProcessedRowData
{
RowID = int.Parse(mainDataGridView.SelectedRows[0].Cells[0].Value.ToString()),
FileName = mainDataGridView.SelectedRows[0].Cells[1].Value.ToString()
};
data.Faces = data.setRectFromXML(mainDataGridView.SelectedRows[0].Cells[3].Value.ToString());
data.DetectFaceNumber = int.Parse(mainDataGridView.SelectedRows[0].Cells[2].Value.ToString());
MainPictureBoxImageSet(this.FaceDetector.MakeFaceDetectedImage(data.FileName, data.Faces));
mainProgressBar.Value = data.RowID;
if (Application.OpenForms.OfType <ImageDisplay>().Count() == 1)
{
Application.OpenForms.OfType <ImageDisplay>().First().Close();
}
ImageDisplay imageDisplayForm = new ImageDisplay();
imageDisplayForm.MainPictureBoxImageSet(this.FaceDetector.MakeFaceDetectedImage(data.FileName, data.Faces));
imageDisplayForm.Show();
}
private void AutoProcessBackgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
// updating UI from the background worker, sender ohject is from the AutoProcessBackgroundWorker_DoWork()
mainProgressBar.Value = e.ProgressPercentage;
ProcessedRowData rowData = (ProcessedRowData)e.UserState;
this.UpdateDataset(rowData);
mainProgressBar.Value = rowData.RowID;
MainPictureBoxImageSet(this.FaceDetector.MakeFaceDetectedImage(rowData.FileName, rowData.Faces));
}
/// <summary>
/// function updating the Dataset for both single and auto processing
/// </summary>
/// <param name="rowData">ProcessedRowData obj </param>
public void UpdateDataset(ProcessedRowData rowData)
{
DataRow dataRow = this.MainTable.NewRow();
dataRow["Row ID"] = rowData.RowID.ToString();
dataRow["File Name"] = rowData.FileName;
dataRow["Detected Face Number"] = rowData.DetectFaceNumber.ToString();
dataRow["Detected Face(s)"] = rowData.getSerializeRectforXML().ToString();
this.MainTable.Rows.Add(dataRow);
mainDataGridView.DataSource = this.MainDataSet.Tables[0];
mainDataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
mainDataGridView.ReadOnly = true;
}
/// <summary>
/// deligate calling function for update UI from background thread
/// </summary>
/// <param name="processedRowData"></param>
private void UpDateDisplayImages(ProcessedRowData processedRowData)
{
mainProgressBar.Maximum = this.ImageFilelist.Length - 1;
this.UpdateDataset(processedRowData);
this.CurrentRowID = processedRowData.RowID;
mainProgressBar.Value = processedRowData.RowID;
MainPictureBoxImageSet(this.FaceDetector.MakeFaceDetectedImage(processedRowData.FileName, processedRowData.Faces));
if (mainProgressBar.Value == mainProgressBar.Maximum)
{
threadProcessButton.Text = "Thread Process";
processLabel.Text = "Process";
}
}
/// <summary>
/// function for detection
/// </summary>
private void CommonDetect()
{
int id = this.CurrentRowID;
string filename = this.ImageFilelist[id];
// getting the detected faces
Rect[] faces = this.FaceDetector.GetDetectedFaces(filename);
//making the row data
ProcessedRowData data = new ProcessedRowData(id, filename, faces);
//setting the images in picturebox
MainPictureBoxImageSet(FaceDetector.GetFaceDetectedBitmapImage(filename));
// adding the result in datagridview
UpdateDataset(data);
//updating UI
mainProgressBar.Value = this.CurrentRowID;
mainProgressBar.Update();
}
private void AutoProcessBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
// autoprocessing main loop in the background work
for (int i = 0; i < this.ImageFilelist.Length; i++)
{
this.CurrentRowID = i;
string filename = this.ImageFilelist[this.CurrentRowID];
Rect[] faces = this.FaceDetector.GetDetectedFaces(filename);
ProcessedRowData data = new ProcessedRowData(this.CurrentRowID, filename, faces);
autoProcessBackgroundWorker.ReportProgress(i, data);
// adding thread waiting for CPU usage conservation.
Thread.Sleep(200);
if (autoProcessBackgroundWorker.CancellationPending)
{
// handling cancel from button clicking
break;
}
}
}
private void TaskProcessButton_Click(object sender, EventArgs e)
{
this.MainAction = new Action(() =>
{
// task action will have the main loop, in the loop various invokes for updating the UI elements will be called
for (int i = 0; i < this.ImageFilelist.Length; i++)
{
if (this.MainCancellationToken.IsCancellationRequested)
{
this.MainCancellationTokenSource = new CancellationTokenSource();
this.MainCancellationToken = this.MainCancellationTokenSource.Token;
break;
}
// mainProgressBar
Action progressBarAction = new Action(() =>
{
this.CurrentRowID = i;
mainProgressBar.Value = i;
});
mainProgressBar.Invoke(progressBarAction);
//datagridView
this.CurrentRowID = i;
string filename = this.ImageFilelist[this.CurrentRowID];
Rect[] faces = this.FaceDetector.GetDetectedFaces(filename);
ProcessedRowData processedRowData = new ProcessedRowData(this.CurrentRowID, filename, faces);
Action dataGridViewAction = new Action(() =>
{
this.UpdateDataset(processedRowData);
});
mainDataGridView.Invoke(dataGridViewAction);
//
Action pictureBoxSetAction = new Action(() =>
{
MainPictureBoxImageSet(this.FaceDetector.MakeFaceDetectedImage(processedRowData.FileName, processedRowData.Faces));
});
mainPictureBox.Invoke(pictureBoxSetAction);
//slowing down talk for less CPU load
Thread.Sleep(100);
}
Action finalAction = new Action(() =>
{
processLabel.Text = "Process";
taskProcessbutton.Text = "Task Process";
//autoDetectButton.Enabled = true;
//threadProcessButton.Enabled = true;
this.ThreadFlag = false;
this.ThreadType = (int)THREAD_TYPE.NONE;
});
this.Invoke(finalAction);
});
if ((this.ThreadType == (int)THREAD_TYPE.NONE) || (this.ThreadType == (int)THREAD_TYPE.TASK))
{
try
{
Monitor.TryEnter(this.ProcessLock, this.TTimeout, ref this.LockTaken);
if (this.LockTaken)
{
if (this.HasDir && this.IsInitialized)
{
if (!this.ThreadFlag)
{
Task.Run(MainAction, MainCancellationToken);
this.ThreadFlag = true;
this.ThreadType = (int)THREAD_TYPE.TASK;
taskProcessbutton.Text = "Cancel";
processLabel.Text = "Task Processing";
//autoDetectButton.Enabled = false;
//threadProcessButton.Enabled = false;
}
else
{
taskProcessbutton.Text = "Task Process";
MainCancellationTokenSource.Cancel();
this.ThreadFlag = false;
this.ThreadType = (int)THREAD_TYPE.NONE;
processLabel.Text = "Process";
//autoDetectButton.Enabled = true;
//threadProcessButton.Enabled = true;
}
}
}
}
catch (Exception exception)
{
MessageBox.Show(exception.Message.ToString());
}
finally
{
if (this.LockTaken)
{
Monitor.Exit(this.ProcessLock);
this.LockTaken = false;
}
}
}
}