private void BaseCalibration(object sender, NewImageEventArgs e)
{
//var thread = new Thread(() => CalibThread(e));
//thread.SetApartmentState(ApartmentState.STA);
//thread.Start();
//thread.Join();
//_vs.Dispatcher.Invoke(() => CalibThread(e));
//_vs.Dispatcher.InvokeAsync(() =>
//Debug.WriteLine("Calibrating"),DispatcherPriority.Send);
//Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
// new Action(() => { }));
//_vs.Dispatcher.InvokeAsync(() => CalibThread(e));
//if (calibTask == null || calibTask.Status != TaskStatus.Running)
//{
// Task.Factory.StartNew(() => { calibTask = CalibThread(e); });
// Debug.WriteLine("thread started");
// //calibTask = CalibThread(e);
//}
//Debug.WriteLine(calibTask.Status);
//Task.Factory.StartNew(() => CalibThread(e));
Debug.WriteLine("new image, sem = " + _sem.CurrentCount + " " + _t.Status);
if (_sem.CurrentCount >= 1)//_t.Status != TaskStatus.Running)//
{
_sem.Wait();
Task.Factory.StartNew(() => CalibThread(e));
}
}
private void NewImage(object sender, NewImageEventArgs e)
{
//if (PenPositionChanged != null) PenPositionChanged(this, PenTracker.GetPenPosition(e.NewImage));
_gridcheck--;
if (_gridcheck == 0) // calibration check needed
{
_gridcheck = 1000;
switch (_calibrator.CheckCalibration())
{
case 1: Calibrator.Calibrate();
break;
case 2: Calibrator.CalibrateColors();
break;
}
}
}
void bmdm_NewImage(object sender, NewImageEventArgs e)
{
//needed as can be triggered by event from BMD
//Updates the UI in another thread - throws errors without
this.Dispatcher.Invoke((Action)(() =>
{
foreach (string imagePath in e.GetPaths)
{
filesList.Add(imagePath);
}
setNextImage();
if (btnMediaExpressEnabled.IsChecked)
{
this.Activate();
}
}));
}
/// <summary>
/// 图像采集完成事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Camera_NewImageEvent(object sender, NewImageEventArgs e)
{
try
{
imageInfo = e.ImageInfo;
lock (threadLock)
{
isVisionProcessed = true;
}
}
catch (Exception)
{
throw;
}
finally
{
//注销事件回调
var camera = sender as ICamera;
camera.NewImageEvent -= Camera_NewImageEvent;
}
}
/// <summary>
///
/// </summary>
/// <param name="param"></param>
/// <remarks>
/// This code should always be called in main thread
/// </remarks>
public void RunWait(object @param)
{
using (var capture = new Capture(m_Source))
{
//capture.DuplexQueryFrame();
capture.SetCaptureProperty(Emgu.CV.CvEnum.CAP_PROP.CV_CAP_PROP_FRAME_COUNT, 10); //
capture.SetCaptureProperty(Emgu.CV.CvEnum.CAP_PROP.CV_CAP_PROP_FRAME_WIDTH, Config.FRAME_WIDTH); //5168, 1280, 2304,
capture.SetCaptureProperty(Emgu.CV.CvEnum.CAP_PROP.CV_CAP_PROP_FRAME_HEIGHT, Config.FRAME_HEIGHT); //2907, 720, 1536
capture.SetCaptureProperty(Emgu.CV.CvEnum.CAP_PROP.CV_CAP_PROP_FOURCC, CvInvoke.CV_FOURCC('U', '2', '6', '3')); //622,3730
capture.SetCaptureProperty(Emgu.CV.CvEnum.CAP_PROP.CV_CAP_PROP_MONOCROME, 1);
CheckErrorThrow();
var task = Task.Factory.StartNew((o) =>
{
var sw = Stopwatch.StartNew();
for (; ;)
{
using (Image <Bgr, byte> img = capture.QueryFrame())
{
CheckErrorThrow();
if (img != null && NewImage != null && sw.Elapsed > LOOP)
{
var ne = new NewImageEventArgs()
{
Image = img.Copy(), Param = o
};
NewImage(this, ne);
break;
}
}
Thread.Sleep(50);
}
}, @param, TaskCreationOptions.AttachedToParent);
Task.WaitAll(task);
}
}
/// <summary>
/// 图像采集完成事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CameraConfigViewModel_NewImageEvent(object sender, NewImageEventArgs e)
{
try
{
using (Bitmap bitmap = CreateBmpImage(e.ImageInfo.PixelFormat, e.ImageInfo.Width, e.ImageInfo.Height, e.ImageInfo.ImagePtr))
{
if (bitmap != null)
{
BitmapImage bitmapToBitmapImage = BitmapToBitmapImage(bitmap);
CameraImage = bitmapToBitmapImage;
}
}
}
finally
{
e.ImageInfo.DisposeImageIntPtr?.Invoke(e.ImageInfo.ImagePtr);
//由于涉及到image控件的绘制,所以必须要手动GC,否则会存在内存泄漏的风险
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
private void Camera_NewImageEvent(object sender, NewImageEventArgs e)
{
OnNewImageEvent(e.ImageInfo);
}
private async Task CalibThread(NewImageEventArgs e)
{
#if DEBUG
e.NewImage.Save(@"C:\temp\srcimg\img" + _calibrationStep + ".jpg");
#endif
//lock (_lockObj)
{
Debug.WriteLine("Calibrating");
if (_errors > 100)
{
//calibration not possible
return;
}
if (_calibrationStep == CalibrationFrames || !Grid.DataNeeded)
{
//_cc.NewImage -= BaseCalibration; // TODO
_vs.Close();
CalibrationCompleted(this, new EventArgs());
}
//else if (_calibrationStep > CalibrationFrames/2)
//{
//}
else if (_calibrationStep > 2)
{
var tcb = ThreeChannelBitmap.FromBitmap(e.NewImage);
_vs.Clear();
FillRandomRects();
for (int j = 0; j < 3; j++)
{
var cChan = new OneChannelBitmap();
var diff = new BinaryBitmap();
Debug.WriteLine(j);
switch (j)
{
case 0:
cChan = _blackImage.RChannelBitmap - tcb.RChannelBitmap;
diff = cChan.GetBinary(RedDiff);
#if DEBUG
var s = new ThreeChannelBitmap(cChan, new OneChannelBitmap(diff.Width, diff.Height),
new OneChannelBitmap(diff.Width, diff.Height));
s.GetVisual().Save(@"C:\temp\rimg\img" + _calibrationStep + ".jpg");
#endif
break;
case 1:
cChan = _blackImage.GChannelBitmap - tcb.GChannelBitmap;
diff = cChan.GetBinary(GreenDiff);
#if DEBUG
s = new ThreeChannelBitmap(new OneChannelBitmap(diff.Width, diff.Height), cChan,
new OneChannelBitmap(diff.Width, diff.Height));
s.GetVisual().Save(@"C:\temp\gimg\img" + _calibrationStep + ".jpg");
#endif
break;
case 2:
cChan = _blackImage.BChannelBitmap - tcb.BChannelBitmap;
diff = cChan.GetBinary(BlueDiff);
#if DEBUG
s = new ThreeChannelBitmap(new OneChannelBitmap(diff.Width, diff.Height),
new OneChannelBitmap(diff.Width, diff.Height), cChan);
s.GetVisual().Save(@"C:\temp\bimg\img" + _calibrationStep + ".jpg");
#endif
break;
}
var topLeftCorner = GetTopLeftCorner(diff);
var topRightCorner = GetTopRightCorner(diff);
var bottomLeftCorner = GetBottomLeftCorner(diff);
var bottomRightCorner = GetBottomRightCorner(diff);
if (topLeftCorner.X < topRightCorner.X && topLeftCorner.X > bottomLeftCorner.X &&
topRightCorner.Y < bottomRightCorner.Y && topRightCorner.Y < bottomLeftCorner.Y &&
topLeftCorner.Y < bottomRightCorner.Y && bottomLeftCorner.X < bottomRightCorner.X &&
topLeftCorner.X < bottomRightCorner.X && bottomLeftCorner.X < topRightCorner.X &&
IsValid(topLeftCorner) && IsValid(topRightCorner) && IsValid(bottomLeftCorner) &&
IsValid(bottomRightCorner) && true)
{
//Grid.AddPoint(_rects[j].Left, topLeftCorner);
//Grid.AddPoint(_rects[j].TopRight, topRightCorner);
//Grid.AddPoint(_rects[j].BottomLeft, bottomLeftCorner);
//Grid.AddPoint(_rects[j].BottomRight, bottomRightCorner);
}
else
{
_errors++;
}
}
_calibrationStep++;
}
switch (_calibrationStep)
{
case 2:
var diff = (_blackImage - ThreeChannelBitmap.FromBitmap(e.NewImage)).GetGrayscale();
var b = diff.GetBinary(GreyDiff);
var s = new ThreeChannelBitmap(diff,
diff, diff);
s.GetVisual().Save(@"C:\temp\diffs\img" + _errors + ".jpg");
Grid.TopLeft = GetTopLeftCorner(b);
Grid.TopRight = GetTopRightCorner(b);
Grid.BottomLeft = GetBottomLeftCorner(b);
Grid.BottomRight = GetBottomRightCorner(b);
if (Grid.TopLeft.X < Grid.TopRight.X && Grid.TopLeft.X < Grid.BottomRight.X &&
Grid.BottomLeft.X < Grid.TopRight.X && Grid.BottomLeft.X < Grid.BottomRight.X &&
Grid.TopLeft.Y < Grid.BottomLeft.Y && Grid.TopLeft.Y < Grid.BottomRight.Y &&
Grid.TopRight.Y < Grid.BottomLeft.Y && Grid.TopRight.Y < Grid.BottomRight.Y &&
IsValid(Grid.TopLeft) && IsValid(Grid.TopRight) && IsValid(Grid.BottomLeft) &&
IsValid(Grid.BottomRight))
{
_calibrationStep++;
_vs.Clear();
FillRandomRects();
_sem = new SemaphoreSlim(3, 4);
}
else
{
_calibrationStep = 0;
_errors++;
}
break;
case 1:
_blackImage = ThreeChannelBitmap.FromBitmap(e.NewImage);
_vs.AddRect(0, 0, _vs.Width, _vs.Height, DColor.FromArgb(255, 255, 255, 255));
_calibrationStep++;
break;
case 0:
Grid = new Grid(e.NewImage.Width, e.NewImage.Height);
var thread = new Thread(() =>
{
_vs.Show();
//_vs.Draw();
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
_vs.AddRect(0, 0, _vs.Width, _vs.Height, DColor.FromArgb(255, 0, 0, 0));
_calibrationStep++;
break;
}
}
await Task.Delay(500);
Debug.WriteLine("releasing");
_sem.Release();
}
protected virtual void OnNewImage(NewImageEventArgs args)
{
NewImage(this, args);
}
void bmdm_NewImage(object sender, NewImageEventArgs e)
{
//needed as can be triggered by event from BMD
//Updates the UI in another thread - throws errors without
this.Dispatcher.Invoke((Action)(() =>
{
foreach (string imagePath in e.GetPaths)
{
filesList.Add(imagePath);
}
setNextImage();
if (btnMediaExpressEnabled.IsChecked)
{
this.Activate();
}
}));
}
private void AcquisitionModule_NewImage(object sender, NewImageEventArgs e)
{
this.Image = e.Image;
this.Process();
}
