C / C++ / MFC

<br />
for (int x=0; x < width; ++x)<br />
  for (int y=0; y < height; ++y)<br />
     img.SetPixel(x,y,RGB(...));<br />

typedef struct CapturedData {<br />
	long	m_lLength;<br />
	char	*m_pData;<br />
}NewCapturedData;<br />
<br />
// Global variable to store the data<br />
	CTypedPtrList <CPtrList, NewCapturedData*> g_oCapDataList;<br />
<br />
// First Thread Function<br />
LRESULT OnCaptureAddData (WPARAM wParam, LPARAM lParam) <br />
{<br />
	NewCapturedData *l_pCapData;<br />
<br />
	l_pCapData = new NewCapturedData;<br />
	l_pCapData->m_lLength = (long) lParam;<br />
	l_pCapData->m_pData = (char*) calloc (sizeof (char), (long)lParam);<br />
	if (!l_pCapData->m_pData) {<br />
		return FALSE;<br />
	}<br />
	memcpy (l_pCapData->m_pData, (char*) wParam, (long)lParam);<br />
	EnterCriticalSection (&m_oCapDataCriticalSession);<br />
	g_oCapDataList.AddTail (l_pCapData);<br />
	LeaveCriticalSection (&m_oCapDataCriticalSession);<br />
	PostThreadMessage (WM_CAPTURE_PROCESS_DATA, 0, 0);<br />
	return TRUE;<br />
}<br />
<br />
// Second Thread Function<br />
LRESULT OnProcessDataMsg (WPARAM wParam, LPARAM lParam)<br />
{<br />
	CapturedData *l_pCapData = g_oCapDataList.GetHead ();<br />
<br />
 // Do some ananlysis with data.<br />
<br />
        free (l_pCapData->m_pData);<br />
        l_pCapData->m_pData = NULL;<br />
        free (l_pCapData);<br />
        l_pCapData = NULL;<br />
}<br />