/// <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
}
public void OnFrameCallbackFun(object obj, IFrameData objIFrameData)
{
if (objIFrameData.GetStatus() == GxIAPINET.GX_FRAME_STATUS_LIST.GX_FRAME_STATUS_SUCCESS)
{
Mat img = null;
IntPtr pRGB24Buffer = IntPtr.Zero;
int size = (int)objIFrameData.GetHeight() * (int)objIFrameData.GetWidth() * 3;
byte[] imgdata = new byte[size];
pRGB24Buffer = objIFrameData.ConvertToRGB24(GxIAPINET.GX_VALID_BIT_LIST.GX_BIT_0_7, GxIAPINET.GX_BAYER_CONVERT_TYPE_LIST.GX_RAW2RGB_NEIGHBOUR, true);
Marshal.Copy(pRGB24Buffer, imgdata, 0, imgdata.Length);
img = new Mat((int)objIFrameData.GetHeight(), (int)objIFrameData.GetWidth(), MatType.CV_8UC3, imgdata);
Cv2.Flip(img, img, 0);
camera_img = img;
objIGXFeatureControl.GetCommandFeature("AcquisitionStop").Execute();
objIGXStream.FlushQueue();
}
}
