//////////////////////////////////////////////////////////////////////////
//
// Function Name: DisconnectCamera
// Description: Disconnects the camera
// Parameters:
// Returns: void
// Summary: Disconnecting the camera involves calling the
// CDExitReleaseControl (which turns the camera off)
// and calling CDCloseSource (which closes the camera source)
// Author: CannonSDK
//
///////////////////////////////////////////////////////////////////////////
void CCameraConnect::DisconnectCamera()
{
cdError err;
if( m_fVFEnd )
{
/* A view finder is ended. */
err = CDTermViewfinder( m_hSource );
if( GETERRORID(err) != cdOK )
{
// goto camerr;
}
/* A thread is ended. */
m_fVFEnd = FALSE;
g_CpVFThread->ResumeThread();
WaitForSingleObject( g_CpVFThread->m_hThread, INFINITE );
// window related command
//m_CViewFinder.SetWindowText( "Start" );
//Invalidate();
//UpdateWindow();
}
if( m_hSource )
{
/* Remote release control mode is ended. */
err = CDExitReleaseControl( m_hSource );
// if( GETERRORID(err) != cdOK )
//{
// goto camerr;
//}
/* The function which receives the event from a camera is canceled. */
//if( m_hCallbackFunction )
//{
// err = CDUnregisterEventCallbackFunction( m_hSource, m_hCallbackFunction );
// if( GETERRORID(err) != cdOK )
// {
// goto camerr;
// }
// m_hCallbackFunction = NULL;
//}
/* A device is closed. */
err = CDCloseSource( m_hSource );
//if( GETERRORID(err) != cdOK )
//{
// goto camerr;
//}
//m_hSource = NULL;
}
}
//////////////////////////////////////////////////////////////////////////
//
// Function Name: CameraError
// Description: Called when any cdSDK functions has reported an error
// Parameters: cdError err - the reported error
// Returns: void
// Summary: This functions was written for the purpose of having
// a specific way of dealing with errors generated by the
// cdSDK. The error codes and their meaning are located
// in the cdError.h file.
// Author: CannonSDK
//
///////////////////////////////////////////////////////////////////////////
void CCameraConnect::CameraError(cdError err)
{
if(err != cdNOT_SUPPORTED ){
char szErrStr[256];
wsprintf( szErrStr, "ErrorCode = 0x%08X", err );
//MessageBox( szErrStr );
}
if( m_hSource )
{
//if( m_hCallbackFunction )
//{
// CDUnregisterEventCallbackFunction( m_hSource, m_hCallbackFunction );
// m_hCallbackFunction = NULL;
//}
CDUnlockUI( m_hSource );
CDCloseSource( m_hSource );
m_hSource = NULL;
}
}
BOOL CCameraConnect::EndCamera()
{
cdError err;
if( m_fVFEnd )
{
/* A view finder is ended. */
err = CDTermViewfinder( m_hSource );
if( GETERRORID(err) != cdOK )
{
goto camerr;
}
/* A thread is ended. */
m_fVFEnd = FALSE;
g_CpVFThread->ResumeThread();
WaitForSingleObject( g_CpVFThread->m_hThread, INFINITE );
}
if( m_hSource )
{
/* Remote release control mode is ended. */
err = CDExitReleaseControl( m_hSource );
if( GETERRORID(err) != cdOK )
{
goto camerr;
}
if( m_hCallbackFunction )
{
/* The function which receives the event from a camera is canceled. */
err = CDUnregisterEventCallbackFunction( m_hSource, m_hCallbackFunction );
if( GETERRORID(err) != cdOK )
{
goto camerr;
}
m_hCallbackFunction = NULL;
}
/* A device is closed. */
err = CDCloseSource( m_hSource );
if( GETERRORID(err) != cdOK )
{
goto camerr;
}
m_hSource = NULL;
}
/* A picture buffer is deleted. */
if( m_BackSurface.hBmp )
{
DeleteObject( m_BackSurface.hBmp );
m_BackSurface.hBmp = NULL;
}
//EndDialog( 0 );
return TRUE;
camerr:
char szErrStr[256];
wsprintf( szErrStr, "ErrorCode = 0x%08X", err );
//MessageBox( szErrStr );
if( m_fVFEnd )
{
CDTermViewfinder( m_hSource );
m_fVFEnd = FALSE;
g_CpVFThread->ResumeThread();
WaitForSingleObject( g_CpVFThread->m_hThread, INFINITE );
}
if( m_hSource )
{
CDExitReleaseControl( m_hSource );
if( m_hCallbackFunction )
{
CDUnregisterEventCallbackFunction( m_hSource, m_hCallbackFunction );
m_hCallbackFunction = NULL;
}
CDCloseSource( m_hSource );
m_hSource = NULL;
}
if( m_BackSurface.hBmp )
{
DeleteObject( m_BackSurface.hBmp );
m_BackSurface.hBmp = NULL;
}
//EndDialog( 0 );
return FALSE;
}
/// dtor
virtual ~SourceDeviceImpl() throw()
{
cdError err = CDCloseSource(m_hSource);
LOG_TRACE(_T("CDCloseSource(%08x) returned %08x\n"), m_hSource, err);
}
