private void PreprocessThread()
{
GOMLib.GOM_Object_Sketch sketchObj;
System.Collections.ArrayList sketch;
while (!m_bTerminating)
{
m_QueueNotEmpty.WaitOne();
sketch = null;
sketchObj = null;
m_Mutex.WaitOne();
if (m_bTerminating)
{
m_Mutex.ReleaseMutex();
return;
}
else if ((m_rgSketchObj.Count > 0) && (m_rgSketch.Count > 0))
{
sketchObj = (GOMLib.GOM_Object_Sketch)m_rgSketchObj[0];
sketch = (System.Collections.ArrayList)m_rgSketch[0];
m_rgSketchObj.RemoveAt(0);
m_rgSketch.RemoveAt(0);
if ((m_rgSketchObj.Count == 0) || (m_rgSketch.Count == 0))
{
m_QueueNotEmpty.Reset();
}
}
m_Mutex.ReleaseMutex();
try
{
if ((sketch != null) && (sketchObj != null))
{
m_curSketchObj = sketchObj;
HandlePreprocessResult(m_preprocess.RecognizeStroke(EncodeSketchToXML(sketch)));
}
}
catch
{
System.Windows.Forms.MessageBox.Show("Exception occurs on stroke recognition.");
m_preprocess = null;
m_preprocess = new Preprocessing.CStrokeRecognitionClass();
}
}
}
public PreprocessQueue()
{
UpdateRequired = null;
m_curSketchObj = null;
m_bTerminating = false;
m_bDebugging = false;
m_debugSketch = null;
m_debugStroke = null;
m_rgSketchObj = new ArrayList();
m_rgSketch = new ArrayList();
m_preprocess = new Preprocessing.CStrokeRecognitionClass();
m_refine = new StrokeRefineLib.CStrokeRefinementClass();
m_WorkerThread = new System.Threading.Thread(new System.Threading.ThreadStart(PreprocessThread));
m_Mutex = new System.Threading.Mutex();
m_QueueNotEmpty = new System.Threading.ManualResetEvent(false);
}
