/// <summary>
/// Takes a photo to a StorageFile and adds rotation metadata to it
/// </summary>
/// <returns></returns>
private async Task TakePhotoAsync()
{
var stream = new InMemoryRandomAccessStream();
Debug.WriteLine("Taking photo...");
await _mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), stream);
try
{
var file = await _captureFolder.CreateFileAsync("SimplePhoto.jpg", CreationCollisionOption.GenerateUniqueName);
Debug.WriteLine("Photo taken! Saving to " + file.Path);
var photoOrientation = CameraRotationHelper.ConvertSimpleOrientationToPhotoOrientation(_rotationHelper.GetCameraCaptureOrientation());
await ReencodeAndSavePhotoAsync(stream, file, photoOrientation);
PickImage.LoadImagesFromFileClicked(file);
Debug.WriteLine("Photo saved!");
}
catch (Exception ex)
{
// File I/O errors are reported as exceptions
Debug.WriteLine("Exception when taking a photo: " + ex.ToString());
}
}
/// <summary>
/// Takes a photo to a StorageFile and adds rotation metadata to it
/// </summary>
/// <returns></returns>
private async Task TakePhotoAsync()
{
// While taking a photo, keep the video button enabled only if the camera supports simultaneously taking pictures and recording video
//VideoButton.IsEnabled = _mediaCapture.MediaCaptureSettings.ConcurrentRecordAndPhotoSupported;
// Make the button invisible if it's disabled, so it's obvious it cannot be interacted with
//VideoButton.Opacity = VideoButton.IsEnabled ? 1 : 0;
var stream = new InMemoryRandomAccessStream();
Debug.WriteLine("Taking photo...");
await _mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), stream);
try
{
var file = await _captureFolder.CreateFileAsync("SimplePhoto.jpg", CreationCollisionOption.GenerateUniqueName);
Debug.WriteLine("Photo taken! Saving to " + file.Path);
var photoOrientation = CameraRotationHelper.ConvertSimpleOrientationToPhotoOrientation(_rotationHelper.GetCameraCaptureOrientation());
await ReencodeAndSavePhotoAsync(stream, file, photoOrientation);
Debug.WriteLine("Photo saved!");
}
catch (Exception ex)
{
// File I/O errors are reported as exceptions
Debug.WriteLine("Exception when taking a photo: " + ex.ToString());
}
// Done taking a photo, so re-enable the button
//VideoButton.IsEnabled = true;
//VideoButton.Opacity = 1;
}
public async void CapturePhoto_Click(object sender, RoutedEventArgs e)
{
//Getting access to Pictures folder
var myPictures = await StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures);
//Createing the file that will be saved
StorageFile file = await myPictures.SaveFolder.CreateFileAsync("night-photo.jpg", CreationCollisionOption.GenerateUniqueName);
//Capture a photo to the stream
using (var captureStream = new InMemoryRandomAccessStream())
{
//Common encoding with JPEG format
await _mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), captureStream);
using (var fileStream = await file.OpenAsync(FileAccessMode.ReadWrite))
{
//Decode the image from the memory stream
var decoder = await BitmapDecoder.CreateAsync(captureStream);
//Encode the image to file
var encoder = await BitmapEncoder.CreateForTranscodingAsync(fileStream, decoder);
//Getting the current orientation of the device
var photoOrientation = CameraRotationHelper.ConvertSimpleOrientationToPhotoOrientation(_rotationHelper.GetCameraCaptureOrientation());
//Including metadata about the photo in the image file
var properties = new BitmapPropertySet
{
{ "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) }
};
await encoder.BitmapProperties.SetPropertiesAsync(properties);
await encoder.FlushAsync();
}
}
}
