private static PointF[] convertLandmarkFormation(
ref FaceLandmarks _landmarks,
ref FaceRectangle _rectangle)
{
PointF[] retLandmarks = new PointF[27] {
convertPointFormation(_landmarks.EyebrowLeftOuter, _rectangle),
convertPointFormation(_landmarks.EyebrowLeftInner, _rectangle),
convertPointFormation(_landmarks.EyebrowRightOuter, _rectangle),
convertPointFormation(_landmarks.EyebrowRightInner, _rectangle),
convertPointFormation(_landmarks.EyeLeftOuter, _rectangle),
convertPointFormation(_landmarks.EyeLeftTop, _rectangle),
convertPointFormation(_landmarks.EyeLeftInner, _rectangle),
convertPointFormation(_landmarks.EyeLeftBottom, _rectangle),
convertPointFormation(_landmarks.PupilLeft, _rectangle),
convertPointFormation(_landmarks.EyeRightOuter, _rectangle),
convertPointFormation(_landmarks.EyeRightTop, _rectangle),
convertPointFormation(_landmarks.EyeRightInner, _rectangle),
convertPointFormation(_landmarks.EyeRightBottom, _rectangle),
convertPointFormation(_landmarks.PupilRight, _rectangle),
convertPointFormation(_landmarks.NoseRootLeft, _rectangle),
convertPointFormation(_landmarks.NoseLeftAlarTop, _rectangle),
convertPointFormation(_landmarks.NoseLeftAlarOutTip, _rectangle),
convertPointFormation(_landmarks.NoseTip, _rectangle),
convertPointFormation(_landmarks.NoseRightAlarOutTip, _rectangle),
convertPointFormation(_landmarks.NoseRightAlarTop, _rectangle),
convertPointFormation(_landmarks.NoseRootRight, _rectangle),
convertPointFormation(_landmarks.MouthLeft, _rectangle),
convertPointFormation(_landmarks.UpperLipTop, _rectangle),
convertPointFormation(_landmarks.MouthRight, _rectangle),
convertPointFormation(_landmarks.UnderLipBottom, _rectangle),
convertPointFormation(_landmarks.UpperLipBottom, _rectangle),
convertPointFormation(_landmarks.UnderLipTop, _rectangle)
};
return(retLandmarks);
}
private static PointF convertPointFormation(
FeatureCoordinate _landmark,
FaceRectangle _rectangle)
{
PointF retPoint = new PointF();
retPoint.X = (float)((_landmark.X - _rectangle.Left) / _rectangle.Width);
retPoint.Y = (float)((_landmark.Y - _rectangle.Top) / _rectangle.Height);
return(retPoint);
}
// Displays the face description when the mouse is over a face rectangle.
private void FacePhoto_MouseMove(object sender, MouseEventArgs e)
{
// If the REST call has not completed, return from this method.
if (faces == null)
{
return;
}
// Find the mouse position relative to the image.
Point mouseXY = e.GetPosition(FacePhoto);
ImageSource imageSource = FacePhoto.Source;
BitmapSource bitmapSource = (BitmapSource)imageSource;
// Scale adjustment between the actual size and displayed size.
var scale = FacePhoto.ActualWidth / (bitmapSource.PixelWidth / resizeFactor);
// Check if this mouse position is over a face rectangle.
bool mouseOverFace = false;
for (int i = 0; i < faces.Length; ++i)
{
FaceRectangle fr = faces[i].FaceRectangle;
double left = fr.Left * scale;
double top = fr.Top * scale;
double width = fr.Width * scale;
double height = fr.Height * scale;
// Display the face description for this face if the mouse is over this face rectangle.
if (mouseXY.X >= left && mouseXY.X <= left + width && mouseXY.Y >= top && mouseXY.Y <= top + height)
{
faceDescriptionStatusBar.Text = faceDescriptions[i];
mouseOverFace = true;
break;
}
}
// If the mouse is not over a face rectangle.
if (!mouseOverFace)
{
faceDescriptionStatusBar.Text = "Place the mouse pointer over a face to see the face description.";
}
}
private static void runFaceAPI(
string _filePath,
out FaceRectangle[] _rects,
out FaceLandmarks[] _landmarks)
{
string key = "1cdb412565ae43879ea8133525e89040";
FaceAPI faceAPI = new FaceAPI(key);
var detectResult = faceAPI.detectFaces(_filePath);
Task.WaitAll(detectResult);
if (detectResult.Result)
{
_rects = faceAPI.getFaceRectangles();
_landmarks = faceAPI.getFaceLandmarks();
}
else
{
_rects = new FaceRectangle[0];
_landmarks = new FaceLandmarks[0];
}
}
private static Rectangle convertRectangleFormation(
FaceRectangle _rectangle, string fileName)
{
Rectangle rect = new Rectangle(
_rectangle.Left,
_rectangle.Top,
_rectangle.Width,
_rectangle.Height);
Image im = Image.FromFile(fileName);
if (rect.Width + rect.Left > im.Width)
{
rect.Width = im.Width - rect.Left;
}
if (rect.Height + rect.Top > im.Height)
{
rect.Height = im.Height - rect.Top;
}
return(rect);
}
/// <summary>
/// Adds the face to face list asynchronously.
/// </summary>
/// <param name="faceListId">The face list identifier.</param>
/// <param name="imageStream">The face image stream.</param>
/// <param name="userData">The user data.</param>
/// <param name="targetFace">The target face.</param>
/// <returns>
/// Add face result.
/// </returns>
public async Task <AddPersistedFaceResult> AddFaceToFaceListAsync(string faceListId, Stream imageStream, string userData = null, FaceRectangle targetFace = null)
{
var requestUrl = string.Format("{0}/{1}/{2}/{3}?userData={4}&targetFace={5}",
ServiceHost, FaceListsQuery, faceListId, PersistedFacesQuery, userData,
targetFace == null ? string.Empty : string.Format("{0},{1},{2},{3}", targetFace.Left, targetFace.Top, targetFace.Width, targetFace.Height));
return(await this.SendRequestAsync <object, AddPersistedFaceResult>(HttpMethod.Post, requestUrl, imageStream));
}
/// <summary>
/// Adds a face to a person asynchronously.
/// </summary>
/// <param name="personGroupId">The person group id.</param>
/// <param name="personId">The person id.</param>
/// <param name="imageStream">The face image stream.</param>
/// <param name="userData">The user data.</param>
/// <param name="targetFace">The target face.</param>
/// <returns>
/// Add person face result.
/// </returns>
public async Task <AddPersistedFaceResult> AddPersonFaceAsync(string personGroupId, Guid personId, Stream imageStream, string userData = null, FaceRectangle targetFace = null)
{
var requestUrl = string.Format("{0}/{1}/{2}/{3}/{4}/{5}?userData={6}&targetFace={7}",
ServiceHost, PersonGroupsQuery, personGroupId, PersonsQuery, personId, PersistedFacesQuery, userData,
targetFace == null ? string.Empty : string.Format("{0},{1},{2},{3}", targetFace.Left, targetFace.Top, targetFace.Width, targetFace.Height));
return(await this.SendRequestAsync <Stream, AddPersistedFaceResult>(HttpMethod.Post, requestUrl, imageStream));
}
