public async Task <StorageFile> CapturePhotoAsync()
{
if (_mediaCapture == null)
{
return(null);
}
var stream = new InMemoryRandomAccessStream();
await _mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), stream);
try
{
var filename = "adventure_" + DateTime.Now.ToString("HHmmss_MMddyyyy") + ".jpg";
var file = await(await AdventureObjectStorageHelper.GetDataSaveFolder()).CreateFileAsync(filename, CreationCollisionOption.GenerateUniqueName);
using (var outputStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
var decoder = await BitmapDecoder.CreateAsync(stream);
var encoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream, decoder);
var photoOrientation = ConvertOrientationToPhotoOrientation(GetCameraOrientation());
var properties = new BitmapPropertySet {
{ "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, Windows.Foundation.PropertyType.UInt16) }
};
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
stream.Dispose();
PictureCaptured?.Invoke(this, new PictureCapturedEventArgs()
{
File = file
});
return(file);
}
catch (Exception ex)
{
stream.Dispose();
return(null);
}
}
public void RaisePictureCaptured(IRandomAccessStream stream) => PictureCaptured?.Invoke(this, new PictureCapturedEventArgs(stream));
