/// <summary>
/// 图像采集函数 ,线程
/// </summary>
private void ShowThread()
{
while (true)
{
if (frameList.Count == 0)
{
Thread.Sleep(10);
continue;
}
/* 图像队列取最新帧 */
mutex.WaitOne();
IGrabbedRawData frame = frameList.ElementAt(frameList.Count - 1);
frameList.Clear();
mutex.ReleaseMutex();
/* 主动调用回收垃圾 */
GC.Collect();
/* 控制显示最高帧率为25FPS */
if (false == IsTimeToDisplay())
{
continue;
}
try
{
/* 图像转码成bitmap图像 */
var bitmap = frame.ToBitmap(false);
HObject image = BitmapToHImage(bitmap);
OnImageAcqed(image);//触发事件
try
{
image.Dispose();
image = null;
}
catch { }
try
{
bitmap.Dispose();
bitmap = null;
}
catch { }
}
catch (Exception exception)
{
Catcher.Show(exception);
/* MessageBox.Show("Dahua:系统异常");
* Environment.Exit(0);*/
}
}
}
private void ShowThread() // 开启线程采集
{
try
{
while (m_bShowLoop)
{
if (m_frameList.Count == 0)
{
Thread.Sleep(10);
continue;
}
/* 图像队列取最新帧 */
m_mutex.WaitOne();
IGrabbedRawData frame = m_frameList.ElementAt(m_frameList.Count - 1);
m_frameList.Clear();
m_mutex.ReleaseMutex();
/* 主动调用回收垃圾 */
GC.Collect();
/* 控制显示最高帧率为25FPS */
if (false == isTimeToDisplay())
{
continue;
}
try
{
/* 图像转码成bitmap图像 */
var bitmap = frame.ToBitmap(false);
// Bitmap bit = bitmap.Clone();
m_bShowByGDI = true;
if (m_bShowByGDI)
{
HImage himage = BitmapToHImage(bitmap);
/// 添加事件通过绑定事件的方式进行图像传播
DoSomething(bitmap, himage);
}
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
}
catch (Exception)
{
throw;
}
}
// 码流数据回调
private void OnImageGrabbed(Object sender, GrabbedEventArgs e)
{
// 转换帧数据为Bitmap
var bitmap = e.GrabResult.ToBitmap(false);
/*
* //转Bitmap图像为Emgucv图像，并进行二值化
* Image<Rgb, byte> original_img = new Image<Rgb, byte>( bitmap );
* var gray_img = original_img.Convert<Gray, Byte>();
* var threshold_img = original_img.Convert<Gray, Byte>();
*
* CvInvoke.cvThreshold( gray_img, threshold_img, 20, 255, Emgu.CV.CvEnum.THRESH.CV_THRESH_BINARY);
*
* //转Emgucv图像为Bitmap图像
* var show_img = threshold_img.ToBitmap();
*/
// 显示图片数据
if (InvokeRequired)
{
BeginInvoke(new MethodInvoker(() =>
{
try
{
if (_g == null)
{
_g = pbImage.CreateGraphics();
}
/*
* _g.DrawImage( show_img, new Rectangle(0, 0, pbImage.Width, pbImage.Height),
* new Rectangle(0, 0, show_img.Width, show_img.Height), GraphicsUnit.Pixel);
* show_img.Dispose();
*/
_g.DrawImage(bitmap, new Rectangle(0, 0, pbImage.Width, pbImage.Height),
new Rectangle(0, 0, bitmap.Width, bitmap.Height), GraphicsUnit.Pixel);
bitmap.Dispose();
//pbImage.Image = bitmap;
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}));
}
}
// 执行软触发
private void btnSoftwareTrigger_Click(object sender, EventArgs e)
{
if (m_dev == null)
{
throw new InvalidOperationException("Device is invalid");
}
try
{
m_dev.ExecuteSoftwareTrigger();
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
/* 执行软触发 */
private void btnSoftwareTrigger_Click(object sender, EventArgs e)
{
if (m_dev == null)
{
throw new InvalidOperationException("Device is invalid");
}
try
{
if (bVideoMode)
{
m_dev.TriggerSet.Close();
}
else
{
m_dev.ExecuteSoftwareTrigger();
}
String strOldFilePath = strSavePath + strFileName;
if (File.Exists(strOldFilePath))
{
File.Delete(strOldFilePath); // delete the last frame image
}
System.DateTime currentTime = new System.DateTime();
currentTime = System.DateTime.Now;
strFileName = currentTime.ToString("yyyy-MM-dd HH:mm:ss").Replace(" ", "_").Replace(":", "-") + ".png";
// strFileName = "test.jpg";
String strFullPath = strSavePath + strFileName;
// openFileDialog1.Filter = "BMP文件|*.bmp|JPEG文件|*.jpg";
if (strFullPath != "") // openFileDialog1.ShowDialog() == DialogResult.OK
{
// imgOri = Image.FromFile(strFullPath);
// pbImage.Image = imgOri;
hWindowCtrl.Visible = false;
pbImage.Visible = true;
lblResult.Text = "UN";
lblResult.BackColor = Color.White;
}
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
// 关闭相机
private void btnClose_Click(object sender, EventArgs e)
{
try
{
if (m_dev == null)
{
throw new InvalidOperationException("Device is invalid");
}
m_dev.ShutdownGrab();
m_dev.Close();
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
/* 停止码流 */
private void btnClose_Click(object sender, EventArgs e)
{
try
{
if (m_dev == null)
{
throw new InvalidOperationException("Device is invalid");
}
m_dev.StreamGrabber.ImageGrabbed -= OnImageGrabbed; /* 反注册回调 */
m_dev.ShutdownGrab(); /* 停止码流 */
m_dev.Close(); /* 关闭相机 */
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
public override void Close()
{
try
{
if (objDev == null)
{
throw new InvalidOperationException("Device is invalid");
}
objDev.StreamGrabber.ImageGrabbed -= OnImageGrabbed; // 反注册回调 | unregister grab event callback
objDev.ShutdownGrab(); // 停止码流 | stop grabbing
objDev.Close(); // 关闭相机 | close camera
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
public void Close()
{
try
{
if (_mDev == null)
{
throw new InvalidOperationException("Device is invalid");
}
_mDev.StreamGrabber.ImageGrabbed -= OnImageGrabbedN; /* 反注册回调 */
_mDev.ShutdownGrab(); /* 停止码流 */
_mDev.Close(); /* 关闭相机 */
IsOpen = false;
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
/// <summary>
/// 软触发相机
/// </summary>
/// <returns></returns>
public bool ExecuteSoftwareTrigger()
{
bool ok = false;
if (m_dev == null)
{
throw new InvalidOperationException("Device is invalid");
return(ok);
}
try
{
m_dev.ExecuteSoftwareTrigger();
}
catch (Exception exception)
{
Catcher.Show(exception);
}
ok = true;
return(ok);
}
/// <summary>
/// 关闭相机
/// </summary>
/// <param name="IDa"></param>
/// <returns></returns>
public bool close_camer(IDaHua IDa)
{
bool ok = false;
try
{
if (IDa.Dev == null)
{
throw new InvalidOperationException("Device is invalid");
}
IDa.Dev.ShutdownGrab();
IDa.Dev.Close();
ok = true;
}
catch (Exception exception)
{
Catcher.Show(exception);
}
ok = true;
return(ok);
}
/* 执行软触发 */
private void btnSoftwareTrigger_Click(object sender, EventArgs e)
{
try
{
if (ParamSetting.SnapMode == ImageMode.Online)
{
if (m_dev == null)
{
throw new InvalidOperationException("Device is invalid");
}
if (bVideoMode)
{
m_dev.TriggerSet.Close();
}
else
{
m_dev.ExecuteSoftwareTrigger();
}
String strOldFilePath = ParamSetting.ImageSavePath + "\\" + strFileName;
if (File.Exists(strOldFilePath))
{
File.Delete(strOldFilePath); // delete the last frame image
}
System.DateTime currentTime = new System.DateTime();
currentTime = System.DateTime.Now;
strFileName = currentTime.ToString("yyyy-MM-dd HH:mm:ss").Replace(" ", "_").Replace(":", "-") + ".png";
// strFileName = "test.jpg";
String strFullPath = ParamSetting.ImageSavePath + "\\" + strFileName;
// openFileDialog1.Filter = "BMP文件|*.bmp|JPEG文件|*.jpg";
if (strFullPath != "") // openFileDialog1.ShowDialog() == DialogResult.OK
{
// imgOri = Image.FromFile(strFullPath);
// pbImage.Image = imgOri;
hWindowCtrl.Visible = false;
pbImage.Visible = true;
lblResult.Text = "UN";
lblResult.BackColor = Color.White;
}
}
else if (ParamSetting.SnapMode == ImageMode.Offline)
{
using (OpenFileDialog opdialog = new OpenFileDialog())
{
opdialog.Multiselect = false;
opdialog.Title = "选择检测图片";
opdialog.Filter = "图片|*.png;*.PNG";
if (opdialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
imgOri = Image.FromFile(opdialog.FileName);
pbImage.Image = imgOri;
}
strFileName = (System.DateTime.Now).ToString("yyyy-MM-dd HH:mm:ss").Replace(" ", "_").Replace(":", "-") + ".png";
}
}
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
/* 打开相机按钮事件 */
private void btnOpen_Click(object sender, EventArgs e)
{
try
{
/* 设备搜索 */
List <IDeviceInfo> li = Enumerator.EnumerateDevices();
if (li.Count > 0)
{
/* 获取搜索到的第一个设备 */
m_dev = Enumerator.GetDeviceByIndex(0);
/* 注册链接时间 */
m_dev.CameraOpened += OnCameraOpen;
m_dev.ConnectionLost += OnConnectLoss;
m_dev.CameraClosed += OnCameraClose;
/* 打开设备 */
if (!m_dev.Open())
{
MessageBox.Show(@"连接相机失败");
return;
}
/* 打开Software Trigger */
if (bVideoMode)
{
m_dev.TriggerSet.Close();
}
else
{
m_dev.TriggerSet.Open(TriggerSourceEnum.Software);
}
/* 设置图像格式 */
using (IEnumParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImagePixelFormat])
{
p.SetValue("Mono8");
}
/* 设置曝光 */
using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ExposureTime])
{
p.SetValue(nExpTime);
}
/* 设置增益 */
using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.GainRaw])
{
p.SetValue(fCamGain);
}
/* 设置缓存个数为8（默认值为16） */
m_dev.StreamGrabber.SetBufferCount(8);
/* 注册码流回调事件 */
m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;
/* 开启码流 */
if (!m_dev.GrabUsingGrabLoopThread())
{
MessageBox.Show(@"开启码流失败");
return;
}
}
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
/* 转码显示线程 */
private void ShowThread()
{
while (m_bShowLoop)
{
if (m_frameList.Count == 0)
{
Thread.Sleep(10);
continue;
}
/* 图像队列取最新帧 */
m_mutex.WaitOne();
IGrabbedRawData frame = m_frameList.ElementAt(m_frameList.Count - 1);
m_frameList.Clear();
m_mutex.ReleaseMutex();
/* 主动调用回收垃圾 */
GC.Collect();
/* 控制显示最高帧率为25FPS */
if (false == isTimeToDisplay())
{
continue;
}
try
{
/* 图像转码成bitmap图像 */
bitmap = frame.ToBitmap(false);
m_bShowByGDI = true;
if (m_bShowByGDI)
{
/* 使用GDI绘图 */
if (_g == null)
{
_g = pbImage.CreateGraphics();
}
_g.DrawImage(bitmap, new Rectangle(0, 0, pbImage.Width, pbImage.Height),
new Rectangle(0, 0, bitmap.Width, bitmap.Height), GraphicsUnit.Pixel);
if (bitmap != null)
{
imgOri = bitmap;
}
// bitmap.Save(strSavePath + strFileName);
// bitmap.Dispose();
}
else
{
/* 使用控件绘图,会造成主界面卡顿 */
if (InvokeRequired)
{
BeginInvoke(new MethodInvoker(() =>
{
try
{
pbImage.Image = bitmap;
}
// save captured image
// bitmap.Save("C:\\Users\\rocki\\Desktop\\captured\\shot.jpg");
catch (Exception exception)
{
Catcher.Show(exception);
}
}));
}
}
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
}
// 打开相机
private void btnOpen_Click(object sender, EventArgs e)
{
try
{
// 设备搜索
List <IDeviceInfo> li = Enumerator.EnumerateDevices();
if (li.Count > 0)
{
// 获取搜索到的第一个设备
m_dev = Enumerator.GetDeviceByIndex(0);
// 注册链接时间
m_dev.CameraOpened += OnCameraOpen;
m_dev.ConnectionLost += OnConnectLoss;
m_dev.CameraClosed += OnCameraClose;
// 打开设备
if (!m_dev.Open())
{
MessageBox.Show(@"连接相机失败");
return;
}
// 打开Software Trigger
m_dev.TriggerSet.Open(TriggerSourceEnum.Software);
// 设置图像格式
using (IEnumParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImagePixelFormat])
{
p.SetValue("BayerRG12Packed");
}
// 设置图片亮度
using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.Brightness])
{
p.SetValue(100);
}
//设置曝光时间
using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ExposureTime])
{
p.SetValue(50000);
}
/*
* // 设置图片高度
* using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageHeight])
* {
* p.SetValue(600);
* }
* // 设置图片宽度
* using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageWidth])
* {
* p.SetValue(600);
* }
*/
// 注册码流回调事件
m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;
// 开启码流
if (!m_dev.GrabUsingGrabLoopThread())
{
MessageBox.Show(@"开启码流失败");
return;
}
m_dev.ExecuteSoftwareTrigger();
}
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
private void LoadFormInfo()
{
try
{
halconHelper = new HalconHelper(hWindowControl1.HalconWindow);
List <IDeviceInfo> li = Enumerator.EnumerateDevices();
//if (Convert.ToInt32(this.Tag) != -1)
if (li.Count > 0)
{
m_dev = Enumerator.GetDeviceByIndex(0);
//m_dev = Enumerator.GetDeviceByIndex(Convert.ToInt32(this.Tag));
// 注册链接时间
m_dev.CameraOpened += OnCameraOpen;
m_dev.ConnectionLost += OnConnectLoss;
m_dev.CameraClosed += OnCameraClose;
// 打开设备
if (!m_dev.Open())
{
MessageBox.Show(@"连接相机失败");
return;
}
// 关闭Trigger
//m_dev.TriggerSet.Close();
// 打开Software Trigger
m_dev.TriggerSet.Open(TriggerSourceEnum.Software);
// 设置图像格式
using (IEnumParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImagePixelFormat])
{
p.SetValue("Mono8");
}
// 注册码流回调事件
m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;
// 开启码流
if (!m_dev.GrabUsingGrabLoopThread())
{
MessageBox.Show(@"开启码流失败");
return;
}
else
{
m_dev.ExecuteSoftwareTrigger();
}
}
else
{
}
//注册一维码识别完成事件
halconHelper.Complete += OnComplete;
halconHelper.Error += OnError;
//注册串口接收事件
serialComm.DateReceived += new Comm.EventHandle(OnDataReceived);
weightComm.DateReceived += new Comm.EventHandle(OnWeightDataReceived);
}
catch (Exception ex)
{
Catcher.Show(ex);
}
}
