private void CamParamsChanged(object sender, EventArgs e)
{
double gainValue = 0, exposureValue = 0;
//------------------------------------------------------------
// Cập nhật giá trị Gain
//------------------------------------------------------------
try
{
gainValue = Double.Parse(txtGainValue.Text);
MainFrameGrabber.SetFramegrabberParam(new HTuple("Gain"),
new HTuple(gainValue));
}
catch { }
//------------------------------------------------------------
// Cập nhật giá trị Exposure
//------------------------------------------------------------
try
{
exposureValue = Double.Parse(txtExposureValue.Text);
MainFrameGrabber.SetFramegrabberParam(new HTuple("ExposureTime"),
new HTuple(exposureValue));
}
catch { }
//------------------------------------------------------------
// Chụp ảnh mới theo thay đổi
//------------------------------------------------------------
GrabMutex.WaitOne();
HImage Img;
Img = MainFrameGrabber.GrabImage();
Img.DispObj(MainWindow);
Img.Dispose();
GrabMutex.ReleaseMutex();
//------------------------------------------------------------
// Cập nhật CameraSet
//------------------------------------------------------------
CurrentCameraSet.Gain = gainValue;
CurrentCameraSet.Exposure = exposureValue;
}
private void btnConnect_Click(object sender, EventArgs e)
{
//------------------------------------------------------------
// Kiểm tra lệnh kết nối hay ngắt kết nối
//------------------------------------------------------------
if (CameraConnected)
{
MainFrameGrabber.Dispose();
btnConnect.Text = " Connect";
CameraConnected = false;
return;
}
//------------------------------------------------------------
// Lấy giá trị device và generic cho hàm kết nối camera
//------------------------------------------------------------
bool isFileInterface = false;
string regexDevicePattern = @"(device:)(.+?)(\s\|)";
string regexGenericPattern = @"(suggestion:)(.+)(\s\|)";
string deviceInfo = cbDevices.SelectedItem.ToString();
string device = Regex.Match(deviceInfo, regexDevicePattern).Groups[2].Value;
if (device.Length < 3)
{
device = "default";
}
HTuple generic;
if (deviceInfo.Contains("misconfigured"))
{
generic = Regex.Match(deviceInfo, regexGenericPattern).Groups[2].Value;
}
else
{
generic = new HTuple(-1);
}
//------------------------------------------------------------
// Check if is File Interface
//------------------------------------------------------------
string interfaceName = cbInterfaces.SelectedItem.ToString();
if (interfaceName == "File")
{
isFileInterface = true;
}
if (!isFileInterface)
{
try
{
MainFrameGrabber = new HFramegrabber(interfaceName, 1, 1, 0, 0, 0, 0, "default",
new HTuple(-1), new HTuple("default"), generic,
"default", new HTuple("default"), new HTuple(device),
new HTuple(-1), new HTuple(-1));
}
catch
{
return;
}
try
{
//------------------------------------------------------------
// Lấy giá trị Gain, Exposure từ Camera
//------------------------------------------------------------
HTuple gain = MainFrameGrabber.GetFramegrabberParam("Gain");
HTuple exposureTime = MainFrameGrabber.GetFramegrabberParam("ExposureTime");
//------------------------------------------------------------
// Hiển thị lên ô cài đặt
//------------------------------------------------------------
txtGainValue.Text = gain.D.ToString();
txtExposureValue.Text = exposureTime.D.ToString();
//------------------------------------------------------------
// Thay đổi trạng thái kết nối
//------------------------------------------------------------
btnConnect.Text = " Connected";
CameraConnected = true;
//------------------------------------------------------------
// Cập nhật CameraSet
//------------------------------------------------------------
CurrentCameraSet.Device = device;
CurrentCameraSet.Generic = generic;
}
catch (Exception ex) { }
}
else
{
MainFrameGrabber = null;
}
//------------------------------------------------------------
// Set Window display image
//------------------------------------------------------------
string ImgType;
int ImgWidth, ImgHeight;
HImage Img;
Img = MainFrameGrabber.GrabImageAsync(1);
Img.GetImagePointer1(out ImgType, out ImgWidth, out ImgHeight);
MainWindow.SetPart(0, 0, ImgHeight - 1, ImgWidth - 1);
Img.DispObj(MainWindow);
Img.Dispose();
}