private async Task <Boolean> DetectFaceAndRegister(string personGroupId, Microsoft.ProjectOxford.Face.Contract.CreatePersonResult personResult)
{
Boolean done;
/*
* var filePicker = new FileOpenPicker();
* filePicker.ViewMode = PickerViewMode.Thumbnail;
* filePicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
* filePicker.FileTypeFilter.Add(".jpg");
* filePicker.FileTypeFilter.Add(".jpeg");
* filePicker.FileTypeFilter.Add(".png");
* var file = await filePicker.PickSingleFileAsync();
* if (file == null || !file.IsAvailable) return false;
*/
// This is where we want to save to.
var storageFolder = KnownFolders.SavedPictures;
// Create the file that we're going to save the photo to.
var file = await storageFolder.CreateFileAsync("contact.jpg", CreationCollisionOption.ReplaceExisting);
// Update the file with the contents of the photograph.
await _mediaCapture.CapturePhotoToStorageFileAsync(ImageEncodingProperties.CreateJpeg(), file);
using (var s = await file.OpenStreamForReadAsync())
{
await faceServiceClient.AddPersonFaceAsync(personGroupId, personResult.PersonId, s);
}
done = true;
return(done);
}
private async Task AddFaceToPerson(string personGroupId, Microsoft.ProjectOxford.Face.Contract.CreatePersonResult person, string friendImageDir)
{
foreach (string imagePath in Directory.GetFiles(friendImageDir, "*.jpg"))
{
using (Stream s = File.OpenRead(imagePath))
{
// Detect faces in the image and add to Anna
await faceClient.AddPersonFaceAsync(personGroupId, person.PersonId, s);
//await faceClient.PersonGroupPerson.AddFaceFromStreamAsync(
// personGroupId, ana.PersonId, s);
}
}
}
public async Task <Boolean> AddPersonToGroup(string personGroupId, string personName)
{
Boolean added = false;
try
{
await faceServiceClient.GetPersonGroupAsync(personGroupId);
Microsoft.ProjectOxford.Face.Contract.CreatePersonResult personResult = await faceServiceClient.CreatePersonAsync(personGroupId, personName);
Boolean detect = await DetectFaceAndRegister(personGroupId, personResult);
added = true;
}
catch (Exception ex)
{
}
return(added);
}