private async void ScenarioClose()
{
try
{
if (m_bPhotoSequence)
{
ShowStatusMessage("Stopping PhotoSequence");
await m_photoSequenceCapture.FinishAsync();
m_photoSequenceCapture = null;
m_bPhotoSequence = false;
m_framePtr = null;
}
if (m_bPreviewing)
{
await m_capture.StopPreviewAsync();
m_bPreviewing = false;
}
if (m_capture != null)
{
previewElement4.Source = null;
m_capture.Dispose();
}
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}
private void ScenarioInit()
{
try
{
btnStartDevice4.IsEnabled = true;
btnStartPreview4.IsEnabled = false;
btnStartStopPhotoSequence.IsEnabled = false;
btnStartStopPhotoSequence.Content = "Prepare PhotoSequence";
btnSaveToFile.IsEnabled = false;
m_bPreviewing = false;
m_bPhotoSequence = false;
previewElement4.Source = null;
m_photoSequenceCapture = null;
Clear();
//user can set the maximum history frame number
m_pastFrame = 5;
////user can set the maximum future frame number
m_futureFrame = 5;
m_framePtr = new Windows.Media.Capture.CapturedFrame[m_pastFrame + m_futureFrame];
m_frameNum = 0;
m_ThumbnailNum = 0;
m_selectedIndex = -1;
m_highLighted = false;
}
catch (Exception e)
{
ShowExceptionMessage(e);
}
}
private async void btnStartStopPhotoSequence_Click(Object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
try
{
if (btnStartStopPhotoSequence.Content.ToString() == "Prepare PhotoSequence")
{
if (!m_capture.VideoDeviceController.LowLagPhotoSequence.Supported)
{
rootPage.NotifyUser("Photo-sequence is not supported", NotifyType.ErrorMessage);
}
else
{
if (m_capture.VideoDeviceController.LowLagPhotoSequence.MaxPastPhotos < m_pastFrame)
{
m_pastFrame = m_capture.VideoDeviceController.LowLagPhotoSequence.MaxPastPhotos;
rootPage.NotifyUser("pastFrame number is past limit, reset passFrame number", NotifyType.ErrorMessage);
}
btnStartStopPhotoSequence.IsEnabled = false;
m_capture.VideoDeviceController.LowLagPhotoSequence.ThumbnailEnabled = true;
m_capture.VideoDeviceController.LowLagPhotoSequence.DesiredThumbnailSize = 300;
m_capture.VideoDeviceController.LowLagPhotoSequence.PhotosPerSecondLimit = 4;
m_capture.VideoDeviceController.LowLagPhotoSequence.PastPhotoLimit = m_pastFrame;
LowLagPhotoSequenceCapture photoCapture = await m_capture.PrepareLowLagPhotoSequenceCaptureAsync(ImageEncodingProperties.CreateJpeg());
photoCapture.PhotoCaptured += new Windows.Foundation.TypedEventHandler <LowLagPhotoSequenceCapture, PhotoCapturedEventArgs>(this.photoCapturedEventHandler);
m_photoSequenceCapture = photoCapture;
btnStartStopPhotoSequence.Content = "Take PhotoSequence";
btnStartStopPhotoSequence.IsEnabled = true;
m_bPhotoSequence = true;
}
}
else if (btnStartStopPhotoSequence.Content.ToString() == "Take PhotoSequence")
{
btnSaveToFile.IsEnabled = false;
m_frameNum = 0;
m_ThumbnailNum = 0;
m_selectedIndex = -1;
m_highLighted = false;
Clear();
btnStartStopPhotoSequence.IsEnabled = false;
await m_photoSequenceCapture.StartAsync();
}
else
{
rootPage.NotifyUser("Bad photo-sequence state", NotifyType.ErrorMessage);
}
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}
private async void btnStartStopPhotoSequence_Click(Object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
try
{
if (btnStartStopPhotoSequence.Content.ToString() == "Prepare PhotoSequence")
{
if (!m_capture.VideoDeviceController.LowLagPhotoSequence.Supported)
{
rootPage.NotifyUser("Photo-sequence is not supported", NotifyType.ErrorMessage);
}
else
{
if (m_capture.VideoDeviceController.LowLagPhotoSequence.MaxPastPhotos < m_pastFrame)
{
m_pastFrame = m_capture.VideoDeviceController.LowLagPhotoSequence.MaxPastPhotos;
rootPage.NotifyUser("pastFrame number is past limit, reset passFrame number", NotifyType.ErrorMessage);
}
btnStartStopPhotoSequence.IsEnabled = false;
m_capture.VideoDeviceController.LowLagPhotoSequence.ThumbnailEnabled = true;
m_capture.VideoDeviceController.LowLagPhotoSequence.DesiredThumbnailSize = 300;
m_capture.VideoDeviceController.LowLagPhotoSequence.PhotosPerSecondLimit = 4;
m_capture.VideoDeviceController.LowLagPhotoSequence.PastPhotoLimit = m_pastFrame;
LowLagPhotoSequenceCapture photoCapture = await m_capture.PrepareLowLagPhotoSequenceCaptureAsync(ImageEncodingProperties.CreateJpeg());
photoCapture.PhotoCaptured += new Windows.Foundation.TypedEventHandler<LowLagPhotoSequenceCapture, PhotoCapturedEventArgs>(this.photoCapturedEventHandler);
m_photoSequenceCapture = photoCapture;
btnStartStopPhotoSequence.Content = "Take PhotoSequence";
btnStartStopPhotoSequence.IsEnabled = true;
m_bPhotoSequence = true;
}
}
else if (btnStartStopPhotoSequence.Content.ToString() == "Take PhotoSequence")
{
btnSaveToFile.IsEnabled = false;
m_frameNum = 0;
m_ThumbnailNum = 0;
m_selectedIndex = -1;
m_highLighted = false;
Clear();
btnStartStopPhotoSequence.IsEnabled = false;
await m_photoSequenceCapture.StartAsync();
}
else
{
rootPage.NotifyUser("Bad photo-sequence state", NotifyType.ErrorMessage);
}
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}
private async void ScenarioClose()
{
try
{
if (m_bPhotoSequence)
{
ShowStatusMessage("Stopping PhotoSequence");
await m_photoSequenceCapture.FinishAsync();
m_photoSequenceCapture = null;
m_bPhotoSequence = false;
m_framePtr = null;
}
if (m_bPreviewing)
{
await m_capture.StopPreviewAsync();
m_bPreviewing = false;
}
if (m_capture != null)
{
previewElement4.Source = null;
m_capture.Dispose();
}
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}
private void ScenarioInit()
{
try
{
btnStartDevice4.IsEnabled = true;
btnStartPreview4.IsEnabled = false;
btnStartStopPhotoSequence.IsEnabled = false;
btnStartStopPhotoSequence.Content = "Prepare PhotoSequence";
btnSaveToFile.IsEnabled = false;
m_bPreviewing = false;
m_bPhotoSequence = false;
previewElement4.Source = null;
m_photoSequenceCapture = null;
Clear();
//user can set the maximum history frame number
m_pastFrame = 5;
////user can set the maximum future frame number
m_futureFrame = 5;
m_framePtr = new Windows.Media.Capture.CapturedFrame[m_pastFrame + m_futureFrame];
m_frameNum = 0;
m_ThumbnailNum = 0;
m_selectedIndex = -1;
m_highLighted = false;
}
catch (Exception e)
{
ShowExceptionMessage(e);
}
}
