// Function to convert ZfmStatus to human readable string.
private string ZfmStatusToString(Zfm20Fingerprint.ZfmStatus inStatus)
{
switch (inStatus)
{
case Zfm20Fingerprint.ZfmStatus.ZsUnknownError:
return(@"Unknown error has occurred.");
case Zfm20Fingerprint.ZfmStatus.ZsTimeout:
return(@"Communication timeout with sensor.");
case Zfm20Fingerprint.ZfmStatus.ZsNoFinger:
return(@"Finger is not available.");
case Zfm20Fingerprint.ZfmStatus.ZsFingerCollectError:
return(@"Finger collection error.");
case Zfm20Fingerprint.ZfmStatus.ZsBadResponse:
return(@"Communication failure with sensor.");
case Zfm20Fingerprint.ZfmStatus.ZsDataError:
return(@"Data format error.");
case Zfm20Fingerprint.ZfmStatus.ZsIoError:
return(@"Data I/O error occurred.");
case Zfm20Fingerprint.ZfmStatus.ZsMemoryError:
return(@"Memory error has been occurred.");
default:
return(string.Empty);
}
}
private void btnSave_Click(object sender, EventArgs e)
{
try
{
dlgSave.FileName = string.Empty;
if (dlgSave.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
// Check fingerprint image is already available in the UI.
if ((imgPreview.Image != null) && (imgPreview.Image.Width == ImageWidth) && (imgPreview.Image.Height == ImageHeight))
{
imgPreview.Image.Save(dlgSave.FileName);
}
else
{
// Get fingerprint image from sensor ImageBuffer and save it to specified file.
Zfm20Fingerprint.ZfmStatus saveStatus = _zfmSensor.SaveFingerprintToFile(dlgSave.FileName);
if (saveStatus != Zfm20Fingerprint.ZfmStatus.ZsSuccessful)
{
MessageBox.Show(ZfmStatusToString(saveStatus), Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnDownload_Click(object sender, EventArgs e)
{
try
{
if (UpdateSensorSettings())
{
IntPtr dataBuffer;
uint dataBufferSize;
Zfm20Fingerprint.ZfmStatus downloadStatus = _zfmSensor.GetFingerprintBuffer(out dataBuffer, out dataBufferSize);
if (downloadStatus == Zfm20Fingerprint.ZfmStatus.ZsSuccessful)
{
if (dataBufferSize > 0)
{
// Create output bitmap buffer object.
Bitmap outputImage = new Bitmap(ImageWidth, ImageHeight);
byte[] colorBuffer = new byte[dataBufferSize];
int bufferPos = 0;
Marshal.Copy(dataBuffer, colorBuffer, 0, (int)(dataBufferSize - 1));
// Paint bitmap buffer with received data buffer content.
for (int yPos = 0; yPos < ImageHeight; yPos++)
{
for (int xPos = 0; xPos < ImageWidth; xPos++)
{
outputImage.SetPixel(xPos, yPos, Color.FromArgb(colorBuffer[bufferPos], colorBuffer[bufferPos], colorBuffer[bufferPos]));
bufferPos++;
}
}
// Flush data buffer and show bitmap on UI.
_zfmSensor.FreeFingerprintBuffer(ref dataBuffer);
imgPreview.Image = outputImage;
}
else
{
MessageBox.Show(@"Fingerprint image data is not available from the sensor library.", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
else
{
MessageBox.Show(ZfmStatusToString(downloadStatus), Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnCapture_Click(object sender, EventArgs e)
{
try
{
if (UpdateSensorSettings())
{
Zfm20Fingerprint.ZfmStatus captureStatus = _zfmSensor.Capture();
if (captureStatus != Zfm20Fingerprint.ZfmStatus.ZsSuccessful)
{
MessageBox.Show(ZfmStatusToString(captureStatus), Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btScan_Click(object sender, EventArgs e)
{
try
{
if (radioRight.Checked || radioLeft.Checked)
{
if (_zfmSensor == null)
{
MessageBox.Show("กรุณาเลือกพอร์ตก่อนทำการสแกน", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
string msgText = _zfmSensor.IsAvailable() ? @"Fingerprint sensor is available." : "Fingerprint sensor is not available.\nCheck sensor configuration options.";
if (msgText != null)
{
//MessageBox.Show(msgText, Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
if (_zfmSensor.IsAvailable() != true)
{
MessageBox.Show("พอร์ตไม่ถูกต้อง", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
Zfm20Fingerprint.ZfmStatus captureStatus = _zfmSensor.Capture();
if (captureStatus != Zfm20Fingerprint.ZfmStatus.ZsSuccessful)
{
//MessageBox.Show(ZfmStatusToString(captureStatus), Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
IntPtr dataBuffer;
uint dataBufferSize;
Zfm20Fingerprint.ZfmStatus downloadStatus = _zfmSensor.GetFingerprintBuffer(out dataBuffer, out dataBufferSize);
if (downloadStatus == Zfm20Fingerprint.ZfmStatus.ZsSuccessful)
{
if (dataBufferSize > 0)
{
// Create output bitmap buffer object.
Bitmap outputImage = new Bitmap(ImageWidth, ImageHeight);
byte[] colorBuffer = new byte[dataBufferSize];
int bufferPos = 0;
Marshal.Copy(dataBuffer, colorBuffer, 0, (int)(dataBufferSize - 1));
// Paint bitmap buffer with received data buffer content.
for (int yPos = 0; yPos < ImageHeight; yPos++)
{
for (int xPos = 0; xPos < ImageWidth; xPos++)
{
outputImage.SetPixel(xPos, yPos, Color.FromArgb(colorBuffer[bufferPos], colorBuffer[bufferPos], colorBuffer[bufferPos]));
bufferPos++;
}
}
// Flush data buffer and show bitmap on UI.
_zfmSensor.FreeFingerprintBuffer(ref dataBuffer);
Bitmap bmp = new Bitmap(outputImage);
bmp.RotateFlip(RotateFlipType.Rotate180FlipNone);
pictureBox_Finger.Image = bmp;
byte[] gg = Relm.Converters.Converter.ToByteArray(pictureBox_Finger.Image);
base64String = Convert.ToBase64String(gg);
Console.WriteLine(base64String);
}
}
}
}
}
else
{
MessageBox.Show("กรุณาเลือกหมายเลขพอร์ต");
}
}
else
{
MessageBox.Show("กรุณาเลือกลักษณะลายนิ้วมือ", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
