private static async void DecryptFile(TLSecureFile secureFile, TLInputFileLocationBase inputFileLocation, string localFileName, string previewFileName)
{
var fileSecret = Passport.DecryptValueSecret(
secureFile.Secret,
EnterPasswordViewModel.Secret,
secureFile.FileHash);
var encryptedFile = await ApplicationData.Current.LocalFolder.GetFileAsync(inputFileLocation.GetFileName("document"));
var decryptedTuple = await Passport.DecryptFile(localFileName, encryptedFile, fileSecret, secureFile.FileHash);
var stream = await decryptedTuple.Item1.OpenReadAsync();
await DialogDetailsViewModel.ResizeJpeg(stream, 180, localFileName, previewFileName);
Telegram.Api.Helpers.Execute.BeginOnUIThread(() =>
{
secureFile.NotifyOfPropertyChange(() => secureFile.Self);
});
}
public async void SetFile(StorageFile result, PhotoFile file)
{
if (result == null)
{
return;
}
_result = result;
var properties = await result.Properties.GetImagePropertiesAsync();
if (properties != null &&
properties.Width > 0 &&
properties.Height > 0)
{
_width = properties.Width;
_height = properties.Height;
if (_width == 0 || _height == 0)
{
return;
}
var minDimension = Math.Min(_width, _height);
ImageBorder.Width = _width * 400.0 / minDimension;
ImageBorder.Height = _height * 400.0 / minDimension;
ImageBorder.Margin = new Thickness((400.0 - ImageBorder.Width) / 2.0, (400.0 - ImageBorder.Height) / 2.0,
(400.0 - ImageBorder.Width) / 2.0, (400.0 - ImageBorder.Height) / 2.0);
_stopwatch = Stopwatch.StartNew();
var stream = await result.GetThumbnailAsync(ThumbnailMode.SingleItem, 800);
System.Diagnostics.Debug.WriteLine("Picture.OpenReadAsync=" + _stopwatch.Elapsed);
var thumbnailSource = new BitmapImage();
//thumbnailSource.DecodePixelHeight = (int) ImageBorder.Height * 3;
//thumbnailSource.DecodePixelWidth = (int) ImageBorder.Width * 3;
thumbnailSource.CreateOptions = BitmapCreateOptions.BackgroundCreation;
thumbnailSource.SetSource(stream.AsStream());
Image.Source = thumbnailSource;
}
else
{
var sourceStream = await result.OpenReadAsync();
var decoder = await BitmapDecoder.CreateAsync(sourceStream);
_width = decoder.OrientedPixelWidth;
_height = decoder.OrientedPixelHeight;
if (_width == 0 || _height == 0)
{
return;
}
var minDimension = Math.Min(_width, _height);
ImageBorder.Width = _width * 400.0 / minDimension;
ImageBorder.Height = _height * 400.0 / minDimension;
ImageBorder.Margin = new Thickness((400.0 - ImageBorder.Width) / 2.0, (400.0 - ImageBorder.Height) / 2.0,
(400.0 - ImageBorder.Width) / 2.0, (400.0 - ImageBorder.Height) / 2.0);
_stopwatch = Stopwatch.StartNew();
var resizedJpeg = await DialogDetailsViewModel.ResizeJpeg(sourceStream, 800, string.Empty, string.Empty);
var stream = new MemoryStream(resizedJpeg.Bytes);
System.Diagnostics.Debug.WriteLine("Picture.OpenReadAsync=" + _stopwatch.Elapsed);
var thumbnailSource = new BitmapImage();
//thumbnailSource.DecodePixelHeight = (int) ImageBorder.Height * 3;
//thumbnailSource.DecodePixelWidth = (int) ImageBorder.Width * 3;
thumbnailSource.CreateOptions = BitmapCreateOptions.BackgroundCreation;
thumbnailSource.SetSource(stream);
Image.Source = thumbnailSource;
}
}