private async void PerformFaceAnalysis(StorageFile file)
{
var imageInfo = await FileHelper.GetImageInfoForRendering(file.Path);
NewImageSizeWidth = 300;
NewImageSizeHeight = NewImageSizeWidth*imageInfo.Item2/imageInfo.Item1;
var newSourceFile = await FileHelper.CreateCopyOfSelectedImage(file);
var uriSource = new Uri(newSourceFile.Path);
SelectedFileBitmapImage = new BitmapImage(uriSource);
// start face api detection
var faceApi = new FaceApiHelper();
DetectedFaces = await faceApi.StartFaceDetection(newSourceFile.Path, newSourceFile, imageInfo, "4c138b4d82b947beb2e2926c92d1e514");
// draw rectangles
var color = Color.FromArgb(125, 255, 0, 0);
var bg = new SolidColorBrush(color);
DetectedFacesCanvas = new ObservableCollection<Canvas>();
foreach (var detectedFace in DetectedFaces)
{
var margin = new Thickness(detectedFace.RectLeft, detectedFace.RectTop, 0, 0);
var canvas = new Canvas()
{
Background = bg,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
Height = detectedFace.RectHeight,
Width = detectedFace.RectWidth,
Margin = margin
};
DetectedFacesCanvas.Add(canvas);
}
}
private async void ButtonGetData_Click(object sender, RoutedEventArgs e)
{
// Show file picker dialog
var dlg = new Microsoft.Win32.OpenFileDialog
{
DefaultExt = ".jpg",
Filter = "Image files(*.jpg) | *.jpg"
};
var result = dlg.ShowDialog();
if (!result.HasValue || !result.Value)
{
return;
}
SelectedFile = dlg.FileName;
var faceApi = new FaceApiHelper();
var returnData = await faceApi.StartFaceDetection(SelectedFile, "4c138b4d82b947beb2e2926c92d1e514");
DetectedFaces = returnData.Item1;
FacesRect = returnData.Item2;
}
private async void ButtonGetData_Click(object sender, RoutedEventArgs e)
{
// Show file picker dialog
var dlg = new Microsoft.Win32.OpenFileDialog
{
DefaultExt = ".jpg",
Filter = "Image files(*.jpg) | *.jpg"
};
var result = dlg.ShowDialog();
if (!result.HasValue || !result.Value)
{
return;
}
SelectedFile = dlg.FileName;
var faceApi = new FaceApiHelper();
var returnData = await faceApi.StartFaceDetection(SelectedFile, Properties.Settings.Default.FaceApiKey, Properties.Settings.Default.EmotionsApiKey);
DetectedFaces = returnData.Item1;
FacesRect = returnData.Item2;
StatusInformation = $@"{DetectedFaces.Count} faces datected.";
}
