private FaceAPI.Contract.Face CreateFace(FaceAPI.Contract.FaceRectangle rect)
{
return(new FaceAPI.Contract.Face
{
FaceRectangle = new FaceAPI.Contract.FaceRectangle
{
Left = rect.Left,
Top = rect.Top,
Width = rect.Width,
Height = rect.Height
}
});
}
public Image CropImage(Image img, Microsoft.ProjectOxford.Face.Contract.FaceRectangle rect)
{
var croppedImg = new CroppedBitmap(ConvertImageToBitmapImage(img), new Int32Rect(rect.Left, rect.Top, rect.Width, rect.Height));
return(ConvertBitmapToImage(ConvertCroppedBitmapToBitmap(croppedImg)));
}
/// <summary>
/// Event handlers for the Data Grid View "Images In DB"
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <param name="Column"></param>
/// <param name="DataGridViewColumns"></param>
/// <exception cref="Facial_Recognition_Library.Controls.DataGridViewsFaceDetectException">This is thrown with an image contains more than one face. We cannot register a face when more than one is within the image.</exception>
/// <returns></returns>
public static DataGridViewsProcessResult DgvImagesInDbAsync(ref object sender, DataGridViewCellEventArgs e, DataGridViewColumn Column, params DataGridViewColumn[] DataGridViewColumns)
{
throw new NotImplementedException("The ASYNC methods have not been compeleted. Please review and remove this exception before use.");
DataGridViewsProcessResult methodResult = new DataGridViewsProcessResult();
DataGridView dgvImagesInDb = (DataGridView)sender;
if (Column != null)
{
DataGridViewColumn ResendToDetect = Column;
DataGridViewColumn dgvBtnAddToCurrentFaceList = Column;
DataGridViewColumn SystemIDdgvtxtColumn = null;
DataGridViewColumn faceRectangleDataGridViewTextBoxColumn = null;
DataGridViewColumn imageBytesDataGridViewImageColumn = null;
bool GridViewColumnsInitialized = false;
if (DataGridViewColumns?.Length > 0)
{
try
{
SystemIDdgvtxtColumn = DataGridViewColumns.First(dgvc => dgvc.Name == "SystemIDdgvtxtColumn");
faceRectangleDataGridViewTextBoxColumn = DataGridViewColumns.First(dgvc => dgvc.Name == "faceRectangleDataGridViewTextBoxColumn");
imageBytesDataGridViewImageColumn = DataGridViewColumns.First(dgvc => dgvc.Name == "imageBytesDataGridViewImageColumn");
GridViewColumnsInitialized = true;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
System.Diagnostics.Debug.WriteLine($"Failed to retrieve the columns for data retrieval.");
methodResult.Success = false;
}
}
else
{
SystemIDdgvtxtColumn = dgvImagesInDb.Columns.OfType <DataGridViewColumn>().First(dgvc => dgvc.Name == "SystemIdDataGridViewTextBoxColumn");
faceRectangleDataGridViewTextBoxColumn = dgvImagesInDb.Columns.OfType <DataGridViewColumn>().First(dgvc => dgvc.Name == "rectangleDataGridViewTextBoxColumn");
imageBytesDataGridViewImageColumn = dgvImagesInDb.Columns.OfType <DataGridViewColumn>().First(dgvc => dgvc.Name == "dataGridViewImageColumn2");
}
//Providing this style of Index lookup allows the Columns to be moved around. so the function stays the same
if (e.ColumnIndex == dgvImagesInDb.Columns[ResendToDetect.Name].Index)
{
System.Diagnostics.Debug.WriteLine($"Row index is {e.RowIndex}");
Guid FaceSystemID = new Guid(dgvImagesInDb[SystemIDdgvtxtColumn.Index, e.RowIndex].Value.ToString());
string Rectangle = dgvImagesInDb[faceRectangleDataGridViewTextBoxColumn.Index, e.RowIndex].Value.ToString();
var ImageData = dgvImagesInDb[imageBytesDataGridViewImageColumn.Index, e.RowIndex].Value;
if (ImageData is byte[] ImageArray)//if ImageData is not Null.
{
string FaceListID = string.Empty;
Task.Run(async() =>
{
using (var db = new LiveEduFaceModel())
{
Microsoft.ProjectOxford.Face.Contract.Face[] FaceDetect = null;
FaceDetect = await Facial_Recognition_Library.API.ProjectOxfordAPI.DetectFace(new MemoryStream(ImageArray));
if (FaceDetect.Length > 1)
{
//Output the image to a temporary storage and show it to the end user WITH the Rectangles on it, this way the user can SEE the faces detected.
throw new Facial_Recognition_Library.Controls.DataGridViewsFaceDetectException($@"More than one face found in this image. Please review image in temp folder {Facial_Recognition_Library.IO.FileSystemManager.TempImageLocationForErrors} ");
}
var FaceToUpdate = db.MyFaces.Where((f) => f.ID == FaceSystemID);
foreach (var face in FaceToUpdate)
{
face.FaceID = FaceDetect[0].FaceId;
face.DateLastDetected = DateTime.Now;
}
db.SaveChanges();
methodResult.Success = true;
methodResult.ShouldRefreshDatabaseDataGrids = true;
return(methodResult);
}
});
}
else
{
System.Diagnostics.Debug.WriteLine($"Image Array was empty. You must ensure that there is an image with which to send. (cannot send 0 bytes)");
methodResult.Success = false;
}
return(methodResult);
}
else if (e.ColumnIndex == dgvImagesInDb.Columns[dgvBtnAddToCurrentFaceList.Name].Index)
{
System.Diagnostics.Debug.WriteLine($"Row index is {e.RowIndex}");
if (GridViewColumnsInitialized)
{
//TODO: Move this to the libary : dgvImagesInDb_CellClick : dgvImagesInDb.Columns[dgvBtnAddToCurrentFaceList.Name].Index
Guid FaceSystemID = new Guid(dgvImagesInDb[SystemIDdgvtxtColumn.Index, e.RowIndex].Value.ToString());
string Rectangle = dgvImagesInDb[faceRectangleDataGridViewTextBoxColumn.Index, e.RowIndex].Value.ToString();
var ImageData = dgvImagesInDb[imageBytesDataGridViewImageColumn.Index, e.RowIndex].Value;
byte[] ImageArray = ImageData as byte[];
if (ImageArray != null)
{
string FaceListID = string.Empty;
using (var db = new LiveEduFaceModel())
{
FaceListID = db.MyFaceLists.First().FaceListId;
Microsoft.ProjectOxford.Face.Contract.FaceRectangle faceRectangle = Newtonsoft.Json.JsonConvert.DeserializeObject <Microsoft.ProjectOxford.Face.Contract.FaceRectangle>(Rectangle);
var FaceListFacePersistantID = Facial_Recognition_Library.API.ProjectOxfordAPI.AddFaceToFaceListByFaceListID(FaceListID, new MemoryStream(ImageArray), null, faceRectangle).Result;
var FaceToUpdate = db.MyFaces.Where((f) => f.ID == FaceSystemID);
foreach (var face in FaceToUpdate)
{
face.FaceListPersistantID = FaceListFacePersistantID;
face.DateLastDetected = DateTime.Now;
}
db.SaveChanges();
}
}
else
{
System.Diagnostics.Debug.WriteLine($"Image Array was empty. You must ensure that there is an image with which to send. (cannot send 0 bytes)");
methodResult.Success = false;
}
}
else
{
System.Diagnostics.Debug.WriteLine($"Columns needed for lookup failed to retrieve, check the execptions list.");
}
return(methodResult);
}
}
else
{
return(methodResult);
}
return(null);
}
