private void HandleHook(IntPtr hook, SetWinEventHookEventType eventType,
IntPtr window, int objectId, int childId, uint threadId, uint time)
{
if (_disposed == false)
{
lock (_stateLock)
{
if (_started)
{
var eventArgs = new GrabbedEventArgs
{
EventType = eventType,
Window = window,
ObjectId = objectId,
ChildId = childId,
ThreadId = threadId,
Time = time
};
if (Grabbed != null)
{
Grabbed(this, eventArgs);
}
}
}
}
}
/* 码流数据回调 */
private void OnImageGrabbedN(Object sender, GrabbedEventArgs e)
{
//_mutex.WaitOne();
//_frameList.Add(e.GrabResult.Clone());
//_mutex.ReleaseMutex();
OnImageGrabbed?.Invoke(e.GrabResult.Clone().ToBitmap(false));
}
private void Receiver(Object sender, GrabbedEventArgs e)
{
if (app.Run)
{
DateTime time_start = DateTime.Now;//計時開始 取得目前時間
Mat Src = new Mat();
Src.Create(e.GrabResult.Width, e.GrabResult.Height, MatType.CV_8UC1);
Marshal.Copy(e.GrabResult.Image, 0, Src.Data, e.GrabResult.Image.Length);
form1.Receiver(0, Src);
#region 計算耗時
DateTime time_end = DateTime.Now;//計時結束 取得目前時間
string time_consuming = ((TimeSpan)(time_end - time_start)).TotalMilliseconds.ToString("0");
form1.UpdateTime(0, time_consuming);
#endregion
#region 清理資源
time_consuming = null;
Src = null;
GC.Collect();
#endregion
}
}
/// <summary>
/// 相机取图写入注册表后回调事件
/// </summary>
/// <param name="ptr"></param>
public void OnImageGrabbed(Object sender, GrabbedEventArgs e)
{
try
{
if (_re.Acquire_Image == Acquire.Folder_Image)
{
MessageBox.Show("当前取图方式不是注册表取图，请先设置成注册表取图");
return;
}
_stopWatch.Restart();
HObject ho_Image;
HOperatorSet.GenEmptyObj(out ho_Image);
IntPtr ptr = Marshal.AllocHGlobal(Convert.ToInt32(_re._Width * _re._Height));
var frame = e.GrabResult;
Marshal.Copy(frame.Image, 0, ptr, Convert.ToInt32(_re._Width * _re._Height));
HOperatorSet.GenImage1(out ho_Image, "byte", _re._Width, _re._Height, ptr);
Marshal.FreeHGlobal(ptr);
halconWinControl_11.HalconWindow1.DispObj(ho_Image);
halconWinControl_11.Ho_Image.Dispose();
halconWinControl_11.Ho_Image = ho_Image;
_stopWatch.Stop();
BeginInvoke(new Action(delegate
{
m_CtrlHStatusLabelCtrl.Text = _stopWatch.ElapsedMilliseconds.ToString();
_IDaHua.ResetCamerStream();
}));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
// 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);
}
}));
}
}
//相机回流事件
private void OnImageGrabbed(object sender, GrabbedEventArgs e)
{
HObject image;
try
{
HOperatorSet.GenImage1(out image, "byte", e.GrabResult.Width, e.GrabResult.Height, e.GrabResult.Raw);
halconHelper.BarRecognition(image);
m_dev.ExecuteSoftwareTrigger();
}
catch (Exception ex)
{
ex.ToString();
}
}
/* 码流数据回调 */
private void OnImageGrabbed(Object sender, GrabbedEventArgs e)
{
m_mutex.WaitOne();
m_frameList.Add(e.GrabResult.Clone());
m_mutex.ReleaseMutex();
}
private void HandleHook(IntPtr hook, SetWinEventHookEventType eventType,
IntPtr window, int objectId, int childId, uint threadId, uint time)
{
if (disposed == false)
{
lock (stateLock)
{
if (started)
{
var eventArgs = new GrabbedEventArgs
{
EventType = eventType,
Window = window,
ObjectId = objectId,
ChildId = childId,
ThreadId = threadId,
Time = time
};
if (Grabbed != null)
{
Grabbed(this, eventArgs);
}
}
}
}
}
