/// <summary>
/// 图像采集到事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void StreamGrabber_ImageGrabbed(object objUserParam, IFrameData objIFrameData)
{
try
{
if (HoImage != null &&
HoImage.IsInitialized())
{
HoImage.Dispose();
HoImage = null;
//System.Threading.Thread.Sleep(10);
//System.GC.Collect();
//System.GC.WaitForPendingFinalizers();
IsImageGrabbed = false;
}
int width = (int)objIFrameData.GetWidth();
int height = (int)objIFrameData.GetHeight();
#region 相机SDK内部像素格式转换
IntPtr pBuffer;
GX_VALID_BIT_LIST emValidBits = __GetBestValudBit(objIFrameData.GetPixelFormat());
if (_IsColorMode)
{//彩色
//不需要释放指针空间
pBuffer = objIFrameData.ConvertToRGB24(emValidBits
, GX_BAYER_CONVERT_TYPE_LIST.GX_RAW2RGB_NEIGHBOUR, false);
HOperatorSet.GenImageInterleaved(out HoImage, new HTuple(pBuffer), "bgr",
width, height, new HTuple(-1),
"byte", width, height, 0, 0, -1, 0);
}
else
{//黑白
if (__IsPixelFormat8(objIFrameData.GetPixelFormat()))
{
pBuffer = objIFrameData.GetBuffer();
}
else
{
//不需要释放指针空间
pBuffer = objIFrameData.ConvertToRaw8(emValidBits);
}
HOperatorSet.GenImage1(out HoImage, "byte", width, height, new HTuple(pBuffer));
}
if (HoImage != null &&
HoImage.IsInitialized())
{
IsImageGrabbed = true;
if (CameraImageGrabbedEvt != null)
{
CameraImageGrabbedEvt(Camera, HoImage);
}
}
}
catch (Exception ex)
{ }
finally
{
}
#endregion
}
private void DeviceStreamGrabber_ImageGrabbedEvent(object sender, ImageGrabbedEventArgs e)
{
Basler.Pylon.IGrabResult grabResult = e.GrabResult;
if (grabResult.GrabSucceeded)
{
Basler.Pylon.PixelType pixelType = grabResult.PixelTypeValue;
if (pixelType == Basler.Pylon.PixelType.Mono8)
{
//allocate the m_stream_size amount of bytes in non-managed environment
if (_latestFrameAddress == IntPtr.Zero)
{
_latestFrameAddress = System.Runtime.InteropServices.Marshal.AllocHGlobal((Int32)grabResult.PayloadSize);
}
_converter.OutputPixelFormat = Basler.Pylon.PixelType.Mono8;
_converter.Convert(_latestFrameAddress, grabResult.PayloadSize, grabResult);
HalconDotNet.HOperatorSet.GenImage1(out HoImage, "byte", (HalconDotNet.HTuple)grabResult.Width, (HalconDotNet.HTuple)grabResult.Height, (HalconDotNet.HTuple)_latestFrameAddress);
}
else if (grabResult.PixelTypeValue == Basler.Pylon.PixelType.BayerBG8 ||
grabResult.PixelTypeValue == Basler.Pylon.PixelType.BayerGB8 ||
grabResult.PixelTypeValue == Basler.Pylon.PixelType.BayerRG8 ||
grabResult.PixelTypeValue == Basler.Pylon.PixelType.BayerGR8 ||
grabResult.PixelTypeValue == Basler.Pylon.PixelType.BayerRG12Packed ||
grabResult.PixelTypeValue == Basler.Pylon.PixelType.YUV422packed ||
grabResult.PixelTypeValue == Basler.Pylon.PixelType.YUV422_YUYV_Packed ||
grabResult.PixelTypeValue == Basler.Pylon.PixelType.BayerRG12
)
{
if (_latestFrameAddress == IntPtr.Zero)
{
_latestFrameAddress = System.Runtime.InteropServices.Marshal.AllocHGlobal((Int32)(3 * grabResult.Width * grabResult.Height));
}
_converter.OutputPixelFormat = Basler.Pylon.PixelType.BGR8packed;// 根据bayer格式不同切换以下代码
_converter.Convert(_latestFrameAddress, 3 * grabResult.Width * grabResult.Height, grabResult);
HalconDotNet.HOperatorSet.GenImageInterleaved(out HoImage, _latestFrameAddress, "bgr", (HalconDotNet.HTuple)_imageWidth, (HalconDotNet.HTuple)_imageHeight, -1, "byte", (HalconDotNet.HTuple)_imageWidth, (HalconDotNet.HTuple)_imageHeight, 0, 0, -1, 0);
}
System.Runtime.InteropServices.Marshal.FreeHGlobal(_latestFrameAddress);
_latestFrameAddress = IntPtr.Zero;
if (HoImage != null &&
HoImage.IsInitialized())
{
IsImageGrabbed = true;
if (CameraImageGrabbedEvt != null)
{
CameraImageGrabbedEvt(Camera, HoImage);
}
}
}
}
/// <summary>
/// 迈德威视相机采集到图像回调处理函数
/// </summary>
/// <param name="Grabber"></param>
/// <param name="pFrameBuffer"></param>
/// <param name="pFrameHead"></param>
/// <param name="Context"></param>
private void OnSDKImageGrabbed(IntPtr Grabber, IntPtr pFrameBuffer, ref tSdkFrameHead pFrameHead, IntPtr Context)
{
if (HoImage != null &&
HoImage.IsInitialized())
{
HoImage = null;
//System.Threading.Thread.Sleep(1);
//GC.Collect();
//GC.WaitForPendingFinalizers();
IsImageGrabbed = false;
}
#region 迈德威视相机SDK内部像素格式转换
// 由于黑白相机在相机打开后设置了ISP输出灰度图像
// 因此此处pFrameBuffer=8位灰度数据
// 否则会和彩色相机一样输出BGR24数据
// 彩色相机ISP默认会输出BGR24图像
// pFrameBuffer=BGR24数据
int w = pFrameHead.iWidth;
int h = pFrameHead.iHeight;
if (pFrameHead.uiMediaType == (uint)MVSDK.emImageFormat.CAMERA_MEDIA_TYPE_MONO8)
{
HalconDotNet.HOperatorSet.GenImage1(out HoImage, "byte", w, h, pFrameBuffer);
}
else if (pFrameHead.uiMediaType == (uint)MVSDK.emImageFormat.CAMERA_MEDIA_TYPE_BGR8)
{
HalconDotNet.HOperatorSet.GenImageInterleaved(out HoImage, pFrameBuffer, "bgr", w, h, -1, "byte", w, h, 0, 0, -1, 0);
}
MvApi.CameraClearBuffer(_deviceRef);
#endregion
if (HoImage != null &&
HoImage.IsInitialized())
{
System.Threading.Thread.Sleep(1);
IsImageGrabbed = true;
if (CameraImageGrabbedEvt != null)
{
CameraImageGrabbedEvt(Camera, HoImage);
}
}
}
/// <summary>
/// 图像采集到事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void StreamGrabber_ImageGrabbed(object sender, ThridLibray.GrabbedEventArgs e)
{
if (HoImage != null &&
HoImage.IsInitialized())
{
HoImage.Dispose();
System.Threading.Thread.Sleep(10);
System.GC.Collect();
System.GC.WaitForPendingFinalizers();
IsImageGrabbed = false;
}
#region 大华相机SDK内部像素格式转换
ThridLibray.IGrabbedRawData frame = e.GrabResult.Clone();
if (frame != null)
{
System.Drawing.Bitmap btmp = null;
if (frame.PixelFmt == ThridLibray.GvspPixelFormatType.gvspPixelMono8 ||
frame.PixelFmt == ThridLibray.GvspPixelFormatType.gvspPixelMono10)
{
btmp = frame.ToBitmap(false);
}
else if (frame.PixelFmt == ThridLibray.GvspPixelFormatType.gvspPixelRGB8 ||
frame.PixelFmt == ThridLibray.GvspPixelFormatType.gvspPixelRGB10)
{
btmp = frame.ToBitmap(true);
}
if (btmp != null)
{
BitmapToHObject(btmp, out HoImage);
btmp.Dispose();
}
}
#endregion
if (HoImage != null &&
HoImage.IsInitialized())
{
IsImageGrabbed = true;
if (CameraImageGrabbedEvt != null)
{
CameraImageGrabbedEvt(CameraProperty, HoImage);
}
}
}
void OnImgDataOut()
{
if (HoImage != null &&
HoImage.IsInitialized())
{
HoImage.Dispose();
}
HoImage = _imgData.Clone();
if (HoImage != null &&
HoImage.IsInitialized())
{
System.Threading.Thread.Sleep(10);
if (CameraImageGrabbedEvt != null)
{
CameraImageGrabbedEvt(CameraProperty, HoImage);
}
}
}
