private void btnConnect_Click(object sender, RoutedEventArgs e)
{
try
{
if (port != null && port.IsOpen)
{
port.Close();
btnConnect.Content = "Connect USB";
currentTransition = GUITransitions.H4usbClose;
handleGUIstates();
}
else
{
port.PortName = comArray[comboBoxCOM.SelectedIndex];
port.BaudRate = 9600;
port.Parity = Parity.None;
port.DataBits = 8;
port.StopBits = StopBits.One;
port.Open();
btnConnect.Content = "Disconnect";
currentTransition = GUITransitions.H3usbOpen;
handleGUIstates();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Info", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
}
private void btnClearImg_Click(object sender, RoutedEventArgs e)
{
myPlot = null;
canvasPreview.Children.Clear(); //removes previous images/elements from the canvas
canvasPreview.Background = System.Windows.Media.Brushes.White;
currentTransition = GUITransitions.H2imgClear;
handleGUIstates();
}
private async void btnSliceImg_Click(object sender, RoutedEventArgs e) //slices the image to individual lines that are either drawn or moved without drawing
{
countCmdSent = 0;
//read start and end gcode from text boxes
myPlot.StartGCODE = "G1 Z1\n";
myPlot.EndGCODE = txtEndGcode.Text + "\n";
//myPlot.GeneratedGCODE.Clear();
//canvasPreview.Children.Clear();
myPlot.Img.Freeze(); //bitmapimages needs to be frozen before they can be accessed by other threads
await Task.Run(() => myPlot.GenerateGCODE()); //generates the GCODE to send to the robot
Dispatcher.Invoke(() =>
{
canvasPreview.Children.Clear();
canvasPreview.Background = System.Windows.Media.Brushes.White;
//draws preview lines that the robot is going to move along:
foreach (TraceLine lineCommand in myPlot.AllLines)
{
Line myLine = new Line();
if (lineCommand.Draw)
{
myLine.Stroke = System.Windows.Media.Brushes.Black;
}
else
{
myLine.Stroke = new SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 230, 230, 230));
}
myLine.StrokeThickness = 1;
myLine.X1 = lineCommand.X0 * scaleToPreview;
myLine.Y1 = lineCommand.Y0 * scaleToPreview;
myLine.X2 = lineCommand.X1 * scaleToPreview;
myLine.Y2 = lineCommand.Y1 * scaleToPreview;
canvasPreview.Children.Add(myLine);
}
});
sliderCmdCount.Maximum = myPlot.AllLines.Count - 1;
txtOut.Text = "GCODE commands = " + myPlot.GeneratedGCODE.Count + "\nNumber of lines = " + myPlot.AllLines.Count + "\n";
currentTransition = GUITransitions.H1imgSlice;
handleGUIstates();
//SystemSounds.Exclamation.Play();
}
private void btnSelectImg_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Image file (*.bmp) | *.bmp";
//bool result = (bool)openFileDialog.ShowDialog();
if ((bool)openFileDialog.ShowDialog())
{
myPlot = new Plottr(openFileDialog.FileName); //creates a plottr object with the selected image
canvasPreview.Children.Clear(); //removes previous images/elements from the canvas
myPlot.ImgMoveX = Convert.ToInt32((Plottr.RobotWidth - myPlot.GetImgWidth) / 2);
myPlot.ImgMoveY = Convert.ToInt32((Plottr.RobotHeight - myPlot.GetImgHeight) / 2);
placeImageAt(myPlot.ImgMoveX, myPlot.ImgMoveY); //places the image in the center of preview canvas
currentTransition = GUITransitions.H0imgOpen;
handleGUIstates();
}
}
private async void btnSendImg_Click(object sender, RoutedEventArgs e) //send the whole sliced image to the robot over usb
{
txtOut.Text += String.Format("Drawing image. Starting at command {0} of {1}\n", countCmdSent, myPlot.GeneratedGCODE.Count);
currentTransition = GUITransitions.H5startDrawing;
handleGUIstates();
try
{
//countCmdSent = 0 is set when an image is sliced
for (; countCmdSent < myPlot.GeneratedGCODE.Count; countCmdSent++) //for loop instead of for each gives the possibility to start at a specific command
{
if (btnPauseDrawing.Content.ToString().Contains("Continue"))
{
break;
}
string[] getLineNo = myPlot.GeneratedGCODE[countCmdSent].Split('L');
if (int.TryParse(getLineNo[getLineNo.Count() - 1], out int lineNo)) //shows on slider the current line (not command) being drawn
{
sliderCmdCount.Value = lineNo;
}
bool timedOut = await sendSerialStringAsync(myPlot.GeneratedGCODE[countCmdSent]); //sends the gcode over usb to the robot
if (timedOut)
{
txtOut.Text += "Timed out\n";
//break; //exits the for loop
}
//countCmdSent = i; //increment number of commands sent
}
txtOut.Text += "Commands successfully sent = " + countCmdSent + "\n";
}
catch (Exception ex)
{
string msg = "Commands successfully sent = " + countCmdSent + "\n" + ex.Message;
MessageBox.Show(msg, "Info", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
}
