private void RemoveBoxForFace(PhotoFace face)
{
if (face == null)
{
return;
}
UIElement element;
_facePanels.TryGetValue(face, out element);
if (element != null)
{
FaceCanvas.Children.Remove(element);
_facePanels.Remove(face);
}
}
private async void NameBox_QuerySubmitted(AutoSuggestBox sender, AutoSuggestBoxQuerySubmittedEventArgs args)
{
sender.IsEnabled = false;
PhotoFace person = sender.DataContext as PhotoFace;
if (sender.Text != person.Name)
{
var stream = await _file.OpenReadAsync();
PhotoFace newPerson = new PhotoFace();
newPerson.Name = sender.Text;
newPerson.Rect = person.Rect;
newPerson.Identified = true;
var knownPerson = FaceAPI.Instance.KnownPeople.Where(p => p.Name == sender.Text).FirstOrDefault();
if (knownPerson != null)
{
newPerson.PersonId = knownPerson.PersonId;
}
await FaceAPI.Instance.AddImageForPerson(newPerson, stream);
var newList = _photo.People.ToList();
newList.Remove(person);
newList.Add(newPerson);
_photo.People = newList;
RemoveBoxForFace(person);
_knownFaces.Add(newPerson);
}
sender.IsEnabled = true;
}
private UIElement AddBoxForFace(PhotoFace face)
{
var scale = FaceCanvas.ActualWidth / Math.Min(_canvasImage.GetBounds(ImageCanvas).Width, _canvasImage.GetBounds(ImageCanvas).Height);
var width = face.Rect.Width * scale;
var height = face.Rect.Height * scale;
var top = face.Rect.Top * scale;
var left = face.Rect.Left * scale;
if (face.Identified)
{
var border = new Border()
{
Width = width > 200 ? width : double.NaN,
};
border.SetValue(Canvas.TopProperty, (top + height));
border.SetValue(Canvas.LeftProperty, left);
var background = new Border()
{
Background = new SolidColorBrush(Color.FromArgb(160, 0, 0, 0)),
Padding = new Thickness(8),
CornerRadius = new CornerRadius(10),
HorizontalAlignment = HorizontalAlignment.Center
};
border.Child = background;
var textblock = new TextBlock()
{
Text = face.Name,
FontSize = 12
};
background.Child = textblock;
FaceCanvas.Children.Add(border);
if (!_facePanels.ContainsKey(face))
{
_facePanels.Add(face, border);
}
return(border);
}
else
{
var panel = new StackPanel()
{
//Width = face.Rect.Width
};
panel.SetValue(Canvas.TopProperty, top);
panel.SetValue(Canvas.LeftProperty, left);
var rect = new Rectangle()
{
Height = height,
Width = width,
Stroke = (App.Current.Resources["BrandColor"]) as SolidColorBrush,
StrokeThickness = 4,
HorizontalAlignment = HorizontalAlignment.Left
};
var nameBox = new AutoSuggestBox()
{
Text = face.Identified ? face.Name : "",
PlaceholderText = !face.Identified ? "who is this?" : "",
Width = width > 200 ? width : 200,
QueryIcon = new SymbolIcon(Symbol.Go),
DataContext = face
};
nameBox.TextChanged += NameBox_TextChanged;
nameBox.QuerySubmitted += NameBox_QuerySubmitted;
panel.Children.Add(rect);
panel.Children.Add(nameBox);
FaceCanvas.Children.Add(panel);
_facePanels.Add(face, panel);
return(panel);
}
}
