private void OnImageGrabbed(object sender, ImageGrabbedEventArgs e)
{
try
{
if (ignoreImage)
{
return;
}
//HOperatorSet.CountSeconds(out startTime);
// Acquire the image from the camera. Only show the latest image. The camera may acquire images faster than the images can be displayed.
// Get the grab result.
IGrabResult grabResult = e.GrabResult;
// Check if the image can be displayed.
if (grabResult.IsValid)
{
// Reduce the number of displayed images to a reasonable amount if the camera is acquiring images very fast.
//if (!stopWatch.IsRunning || stopWatch.ElapsedMilliseconds > 33)
{
//stopWatch.Restart();
width = grabResult.Width;
height = grabResult.Height;
//if (hPylonImage != null && hPylonImage.IsInitialized())
//{
// hPylonImage.Dispose();
//}
hPylonImage = new Cognex.VisionPro.CogImage8Grey();
if (grabResult.PixelTypeValue == PixelType.Mono8)
{
// while (grabResult.GrabSucceeded == false) ;
if (grabResult.GrabSucceeded == false)
{/*
* Util.Notify(string.Format("相机{0}数据损坏,采集失败", cameraIndex));*/
Trace.WriteLine("数据损坏,采集失败" + width + "." + height);
return;
}
if (grabResult.PayloadSize == 0)
{/*
* Util.Notify(string.Format("相机{0}数据损坏,图像包大小为0", cameraIndex));*/
return;
}
//Util.Notify(string.Format("相机{0}数据尺寸{1}", cameraIndex, grabResult.PayloadSize));
//allocate the m_stream_size amount of bytes in non-managed environment
if (m_latestFrameAddress == IntPtr.Zero)
{
m_latestFrameAddress = Marshal.AllocHGlobal((Int32)grabResult.PayloadSize);
}
g_converter.OutputPixelFormat = PixelType.Mono8;
g_converter.Convert(m_latestFrameAddress, grabResult.PayloadSize, grabResult);
byte[] ImagebufferPtr = new byte[grabResult.Width * grabResult.Height];
//转换为Halcon图像显示
//hPylonImage.Get8GreyPixelMemory( Cognex.VisionPro.CogImageDataModeConstants.Read,);
Marshal.Copy(m_latestFrameAddress, ImagebufferPtr, 0, grabResult.Width * grabResult.Height - 1);
var cogRoot = new Cognex.VisionPro.CogImage8Root();
cogRoot.Initialize(grabResult.Width, grabResult.Height, m_latestFrameAddress, grabResult.Width, null);
hPylonImage.SetRoot(cogRoot);
//hPylonImage.GenImage1("byte", grabResult.Width, grabResult.Height, m_latestFrameAddress);
}
else if (grabResult.PixelTypeValue == PixelType.BayerBG8 || grabResult.PixelTypeValue == PixelType.BayerGB8)
{
//allocate the m_stream_size amount of bytes in non-managed environment
if (m_latestFrameAddress == IntPtr.Zero)
{
m_latestFrameAddress = Marshal.AllocHGlobal((Int32)(3 * g_camera.Parameters[PLCamera.PayloadSize].GetValue()));
}
g_converter.OutputPixelFormat = PixelType.BGR8packed;
g_converter.Convert(m_latestFrameAddress, 3 * grabResult.PayloadSize, grabResult);
/*hPylonImage.GenImageInterleaved(m_latestFrameAddress, "bgr",
* grabResult.Width, grabResult.Height, -1, "byte", grabResult.Width, grabResult.Height, 0, 0, -1, 0);
*/
}
else
{/*
* Util.Notify(string.Format("相机{0}编码格式不正确", cameraIndex));*/
}
Trace.WriteLine("采集成功" + width + "." + height);
TrigerImageEvent();
}
}
}
catch (System.ArgumentException ex)
{/*
* Util.WriteLog(this.GetType(), ex);
* Util.Notify(string.Format("相机{0}图像数据包丢失", cameraIndex));*/
}
catch (Exception ex)
{/*
* Util.WriteLog(this.GetType(), ex);
* Util.Notify(string.Format("相机{0}图像数据返回出现异常", cameraIndex));*/
}
finally
{
// Dispose the grab result if needed for returning it to the grab loop.
e.DisposeGrabResultIfClone();
}
}
private void SaveImage(IntPtr pData, ref MyCamera.MV_FRAME_OUT_INFO pFrameInfo, IntPtr pUser)
{
try
{
if (ignoreImage)
{
return;
}
//HTuple startTime;
// HOperatorSet.CountSeconds(out startTime);
// Reduce the number of displayed images to a reasonable amount if the camera is acquiring images very fast.
//if (!stopWatch.IsRunning || stopWatch.ElapsedMilliseconds > 10)
{
//stopWatch.Restart();
//if (hPylonImage != null && hPylonImage.IsInitialized())
//{
// hPylonImage.Dispose();
//}
hPylonImage = new Cognex.VisionPro.CogImage8Grey();
if (pFrameInfo.enPixelType == MyCamera.MvGvspPixelType.PixelType_Gvsp_Mono8)
{
//hPylonImage.GenImage1("byte", pFrameInfo.nWidth, pFrameInfo.nHeight, pData);
var cogRoot = new Cognex.VisionPro.CogImage8Root();
uint buffersize = new uint();
// m_pOperator.GetIntValue("PayloadSize",ref buffersize);
//byte[] ImagebufferPtr = new byte[pFrameInfo.nWidth * pFrameInfo.nHeight];
//var pBufForDriver = Marshal.AllocHGlobal((Int32)(buffersize));
//Marshal.Copy(pBufForDriver, ImagebufferPtr, 0, pFrameInfo.nWidth * pFrameInfo.nHeight - 1);
cogRoot.Initialize(pFrameInfo.nWidth, pFrameInfo.nHeight, pData, pFrameInfo.nWidth, null);
hPylonImage.SetRoot(cogRoot);
GC.Collect();
//Marshal.FreeHGlobal(pBufForDriver);
/*
* MyCamera.MV_FRAME_OUT info = new MyCamera.MV_FRAME_OUT();
* var stDevInfo = (MyCamera.MV_FRAME_OUT)Marshal.PtrToStructure(stDevList.pDeviceInfo[0], typeof(MyCamera.MV_FRAME_OUT));*/
}
else if (pFrameInfo.enPixelType == MyCamera.MvGvspPixelType.PixelType_Gvsp_RGB8_Packed)
{/*
* hPylonImage.GenImageInterleaved(pData,
* "rgb",
* pFrameInfo.nWidth, pFrameInfo.nHeight,
* -1, "byte",
* pFrameInfo.nWidth, pFrameInfo.nHeight,
* 0, 0, -1, 0);*/
}
else
{/*
* Util.Notify(string.Format("相机{0}编码格式不正确,当前格式{1}", cameraIndex, pFrameInfo.enPixelType));*/
}
TrigerImageEvent();
}
}
catch (System.ArgumentException ex)
{/*
* Util.WriteLog(this.GetType(), ex);
* Util.Notify(string.Format("相机{0}图像数据包丢失", cameraIndex));*/
}
catch (Exception ex)
{/*
* Util.WriteLog(this.GetType(), ex);
* Util.Notify(string.Format("相机{0}图像数据返回出现异常", cameraIndex));*/
}
}