private void ImageCallBack_2(IntPtr m_BufForDriver, ref MyCamera.MV_FRAME_OUT_INFO_EX pFrameInfo, IntPtr pUser)
{
MyCamera.MVCC_INTVALUE stParam = new MyCamera.MVCC_INTVALUE();
int nRet = cameraArr1[0].MV_CC_GetIntValue_NET("PayloadSize", ref stParam);
if (MyCamera.MV_OK != nRet)
{
MessageBox.Show("Get PayloadSize failed", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
UInt32 nPayloadSize = stParam.nCurValue;
if (nPayloadSize > m_nBufSizeForDriver)
{
if (m_BufForDriver != IntPtr.Zero)
{
Marshal.Release(m_BufForDriver);
}
m_nBufSizeForDriver = nPayloadSize;
m_BufForDriver = Marshal.AllocHGlobal((Int32)m_nBufSizeForDriver);
}
if (m_BufForDriver == IntPtr.Zero)
{
MessageBox.Show("采集失败，请重新连接设备", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// 将海康数据类型转为Mat
nRet = cameraArr1[0].MV_CC_GetOneFrameTimeout_NET(m_BufForDriver, nPayloadSize, ref pFrameInfo, 1000); // m_BufForDriver为图像数据接收指针
//pTemp = m_BufForDriver;
byte[] byteImage = new byte[pFrameInfo.nHeight * pFrameInfo.nWidth];
Marshal.Copy(m_BufForDriver, byteImage, 0, pFrameInfo.nHeight * pFrameInfo.nWidth);
Mat matImage = new Mat(pFrameInfo.nHeight, pFrameInfo.nWidth, MatType.CV_8UC1, byteImage);
// 单通道图像转为三通道
Mat matImageNew = new Mat();
Cv2.CvtColor(matImage, matImageNew, ColorConversionCodes.GRAY2RGB);
Bitmap bitmap = matImageNew.ToBitmap(); // Mat转为Bitmap
// 是否进行推理
DeepLearning deepLearning = new DeepLearning();
if (isInference2)
{
bitmap = deepLearning.Inference(model2, modelType, bitmap);
}
if (pictureBox2.InvokeRequired) // 当一个控件的InvokeRequired属性值为真时，说明有一个创建它以外的线程想访问它
{
UpdateUI update = delegate { pictureBox2.Image = bitmap; };
pictureBox2.BeginInvoke(update);
}
else
{
pictureBox2.Image = bitmap;
}
}
private void OnImageGrabbed_2(Object sender, ImageGrabbedEventArgs e)
{
try
{
IGrabResult grabResult = e.GrabResult;
if (grabResult.IsValid)
{
// 四通道RGBA
Bitmap bitmap = new Bitmap(grabResult.Width, grabResult.Height, PixelFormat.Format32bppRgb);
// 锁定位图的位
BitmapData bmpData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadWrite, bitmap.PixelFormat);
// 将指针放置到位图的缓冲区
converter.OutputPixelFormat = PixelType.BGRA8packed;
IntPtr ptrBmp = bmpData.Scan0;
converter.Convert(ptrBmp, bmpData.Stride * bitmap.Height, grabResult);
bitmap.UnlockBits(bmpData);
DeepLearning deepLearning = new DeepLearning();
if (isInference2)
{
bitmap = deepLearning.Inference(model2, modelType, bitmap);
}
if (pictureBox2.InvokeRequired) // 当一个控件的InvokeRequired属性值为真时，说明有一个创建它以外的线程想访问它
{
UpdateUI update = delegate { pictureBox2.Image = bitmap; };
pictureBox2.BeginInvoke(update);
}
else
{
pictureBox2.Image = bitmap;
}
}
}
catch (Exception ex)
{
MessageBox.Show(string.Format("CAM:{0}！\n{1}", "CAM2", ex.Message));
}
finally
{
e.DisposeGrabResultIfClone();
}
}
