// When drone finds target, function sets ImageBox to UI.
void RetrieveImage()
{
var Network = new UI_Network();
myImage = "/*set to the incoming image**/";
person_found.Source = setImage();
}
private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
FTPImageTransfer transfer = null; //new FTPImageTransfer("ftp://192.168.168.1", "drone", "NEVERAGAIN");
UI_Network comms = new UI_Network();
//begins the drone search process by having the user select an image of
//the target
if (!isSearching)
{
this.Dispatcher.Invoke((Action)(() =>
{
status_box.Foreground = Brushes.Yellow;
status_box.Content = "User Selecting Target. ";
status_label.Foreground = Brushes.Yellow;
status_label.Content = "Standby";
}));
// Makes filepicker window object.
var openFileDialog = new OpenFileDialog();
// Only allows Images.
openFileDialog.Filter = "Image Files (*.png, *.jpg,*.bmp)|*.png;*.jpg;*.bmp";
openFileDialog.FilterIndex = 1;
// Sets default directory when opening.
openFileDialog.InitialDirectory = @"C:\";
// Title of image picker window.
openFileDialog.Title = "Select Image of person to be searched for";
bool? click_ok = openFileDialog.ShowDialog();
this.Dispatcher.Invoke((Action)(() =>
{
// Sets variable myImage to the uploaded image.
myImage = openFileDialog.FileName;
// Sets image box to the image path in myImage.
search_for_image.Source = setImage();
}));
// Attempts to send user-selected image to server for drone search.
try
{
if (click_ok == true)
{
// Makes a new FTP connection to the server.
transfer = new FTPImageTransfer("ftp://192.168.168.1", "drone", "NEVERAGAIN");
// Uploads image with name of ui_image.png
string name = "ui_image.png";
// Sends image file to server.
transfer.Upload(openFileDialog.FileName, name);
for (int i = 0; i <= 101; i++)
{
//Reports the progress of the upload.
// Thread.Sleep(100); Testing the upload button
backgroundWorker.ReportProgress(i);
}
comms.SendImage(name);
comms.SendStart();
// Sets Dialog box's color and text with respect to the image upload result
status_box.Foreground = Brushes.Green;
if (comms.getUploadStatus())
status_box.Content = "Image succesfully uploaded, Searching for new target. ";
else
{
status_box.Foreground = Brushes.Red;
status_box.Content = "Image failed to upload, Drone not started. ";
}
status_label.Foreground = Brushes.Green;
status_label.Content = "Active";
// Starts the timer, if user picks new target timer does not reset
//if (!(stopwatch.Elapsed.Seconds > 0))
// stopwatch.Start();
// stopwatch.Stop();
//timer_label.Content = stopwatch.Elapsed;
}
else if (click_ok == false)
{
// Resets the upload fail/pass dialog box
//status_box.Foreground = reset
this.Dispatcher.Invoke((Action)(() =>
{
status_box.Content = " ";
status_label.Foreground = Brushes.Black;
status_label.Content = "N/A";
}));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.InnerException);
Console.WriteLine(ex.Message);
Console.WriteLine(ex.TargetSite);
this.Dispatcher.Invoke((Action)(() =>
{
status_label.Foreground = Brushes.Red;
status_label.Content = "Inactive";
}));
}
}
else
{
}
}