private async void UploadButtonClick(object sender, RoutedEventArgs e)
{
(sender as Button).IsEnabled = false;
var picker = new Windows.Storage.Pickers.FileOpenPicker();
picker.ViewMode = Windows.Storage.Pickers.PickerViewMode.Thumbnail;
picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.PicturesLibrary;
picker.FileTypeFilter.Add(".jpg");
picker.FileTypeFilter.Add(".jpeg");
picker.FileTypeFilter.Add(".png");
var files = await picker.PickMultipleFilesAsync();
var photos = new List <PhotoData>();
if (files != null && files.Count > 0)
{
var folder = await AdventureObjectStorageHelper.GetDataSaveFolder();
foreach (var file in files)
{
var newFile = file;
if ((await file.GetParentAsync()).Path != folder.Path)
{
newFile = await file.CopyAsync(folder);
}
var photo = new PhotoData()
{
DateTime = DateTime.Now,
Uri = newFile.Path,
};
//photo.ThumbnailUri = await VisionAPI.Instance.GetThumbnail(await newFile.OpenReadAsync(), newFile.DisplayName + "_thumb.jpg");
photos.Add(photo);
}
//await Data.Instance.SavePhotosAsync(photos);
//Frame.Navigate(typeof(AdventurePage), null);
}
else
{
(sender as Button).IsEnabled = true;
}
}
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);
}
}
