private async void TakePictureAsync()
{
try
{
var stream = await _pictureChooserTask.TakePictureAsync(400, 95);
var memoryStream = new MemoryStream();
await stream.CopyToAsync(memoryStream);
int sequenceNumber = (ImagesVM.Any()) ? _imagesVM.Max(i => i.Image.Sequence) + 1 : 1;
Image image = new Image()
{
ID = Guid.NewGuid(), Sequence = sequenceNumber, Bytes = memoryStream.ToArray(), Filename = string.Format("{0} {1}.jpg", _infoService.CurrentDriverDisplayName, DateTime.Now.ToString("yyyy-MM-ddHH-mm-ss"))
};
//Add to view model
CameraImageViewModel imageViewModel = new CameraImageViewModel(image, this);
ImagesVM.Add(imageViewModel);
RaisePropertyChanged(() => HasPhotoBeenTaken);
RaisePropertyChanged(() => CommentHintText);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
/// <summary>
/// Deletes an image from both the the view models and datamodels
/// </summary>
/// <param name="image"></param>
internal void Delete(CameraImageViewModel image)
{
// remove view model
ImagesVM.Remove(image);
RaisePropertyChanged(() => HasPhotoBeenTaken);
RaisePropertyChanged(() => CommentHintText);
}
/// <summary>
/// Packs up the image stre
/// </summary>
/// <param name="stream"></param>
private void OnPictureTaken(Stream stream)
{
var memoryStream = new MemoryStream();
stream.CopyTo(memoryStream);
int sequenceNumber = (ImagesVM.Any()) ? _imagesVM.Max(i => i.Image.Sequence) + 1 : 1;
Image image = new Image()
{
ID = Guid.NewGuid(), Sequence = sequenceNumber, Bytes = memoryStream.ToArray(), Filename = string.Format("{0} {1}.jpg", _infoService.CurrentDriverDisplayName, DateTime.Now.ToString("yyyy-MM-ddHH-mm-ss"))
};
//Add to view model
CameraImageViewModel imageViewModel = new CameraImageViewModel(image, this);
ImagesVM.Add(imageViewModel);
RaisePropertyChanged(() => HasPhotoBeenTaken);
RaisePropertyChanged(() => CommentHintText);
}
