private void ProcessCapFaceData(ref CHCNetSDK.NET_DVR_CAPTURE_FACE_CFG struFaceCfg, ref bool flag)
{
if (0 == struFaceCfg.dwFacePicSize)
{
return;
}
string strpath = null;
DateTime dt = DateTime.Now;
strpath = string.Format("capture.jpg", Environment.CurrentDirectory);
try
{
using (FileStream fs = new FileStream(strpath, FileMode.OpenOrCreate))
{
int FaceLen = struFaceCfg.dwFacePicSize;
byte[] by = new byte[FaceLen];
Marshal.Copy(struFaceCfg.pFacePicBuffer, by, 0, FaceLen);
fs.Write(by, 0, FaceLen);
fs.Close();
}
pictureBoxFace.Image = Image.FromFile(strpath);
textBoxFilePath.Text = string.Format("{0}\\{1}", Environment.CurrentDirectory, strpath);
MessageBox.Show("Capture succeed", "SUCCESSFUL", MessageBoxButtons.OK);
}
catch
{
flag = false;
MessageBox.Show("capature data wrong", "Error", MessageBoxButtons.OK);
}
}
public static extern int NET_DVR_GetNextRemoteConfig(int lHandle, ref CHCNetSDK.NET_DVR_CAPTURE_FACE_CFG lpOutBuff, int dwOutBuffSize);
private void btnCapture_Click(object sender, EventArgs e)
{
if (m_lCapFaceCfgHandle != -1)
{
CHCNetSDK.NET_DVR_StopRemoteConfig(m_lCapFaceCfgHandle);
m_lCapFaceCfgHandle = -1;
}
if (pictureBoxFace.Image != null)
{
pictureBoxFace.Image.Dispose();
pictureBoxFace.Image = null;
}
textBoxFilePath.Text = "";
CHCNetSDK.NET_DVR_CAPTURE_FACE_COND struCond = new CHCNetSDK.NET_DVR_CAPTURE_FACE_COND();
struCond.init();
struCond.dwSize = Marshal.SizeOf(struCond);
int dwInBufferSize = struCond.dwSize;
IntPtr ptrStruCond = Marshal.AllocHGlobal(dwInBufferSize);
Marshal.StructureToPtr(struCond, ptrStruCond, false);
m_lCapFaceCfgHandle = CHCNetSDK.NET_DVR_StartRemoteConfig(m_UserID, CHCNetSDK.NET_DVR_CAPTURE_FACE_INFO, ptrStruCond, dwInBufferSize, null, IntPtr.Zero);
if (-1 == m_lCapFaceCfgHandle)
{
Marshal.FreeHGlobal(ptrStruCond);
MessageBox.Show("NET_DVR_CAP_FACE_FAIL, ERROR CODE" + CHCNetSDK.NET_DVR_GetLastError().ToString(), "Error", MessageBoxButtons.OK);
return;
}
CHCNetSDK.NET_DVR_CAPTURE_FACE_CFG struFaceCfg = new CHCNetSDK.NET_DVR_CAPTURE_FACE_CFG();
struFaceCfg.init();
int dwStatus = 0;
int dwOutBuffSize = Marshal.SizeOf(struFaceCfg);
bool Flag = true;
while (Flag)
{
dwStatus = CHCNetSDK.NET_DVR_GetNextRemoteConfig(m_lCapFaceCfgHandle, ref struFaceCfg, dwOutBuffSize);
switch (dwStatus)
{
case CHCNetSDK.NET_SDK_GET_NEXT_STATUS_SUCCESS: //成功读取到数据，处理完本次数据后需调用next
ProcessCapFaceData(ref struFaceCfg, ref Flag);
break;
case CHCNetSDK.NET_SDK_GET_NEXT_STATUS_NEED_WAIT:
break;
case CHCNetSDK.NET_SDK_GET_NEXT_STATUS_FAILED:
CHCNetSDK.NET_DVR_StopRemoteConfig(m_lCapFaceCfgHandle);
MessageBox.Show("NET_SDK_GET_NEXT_STATUS_FAILED" + CHCNetSDK.NET_DVR_GetLastError().ToString(), "Error", MessageBoxButtons.OK);
Flag = false;
break;
case CHCNetSDK.NET_SDK_GET_NEXT_STATUS_FINISH:
CHCNetSDK.NET_DVR_StopRemoteConfig(m_lCapFaceCfgHandle);
Flag = false;
break;
default:
MessageBox.Show("NET_SDK_GET_STATUS_UNKOWN" + CHCNetSDK.NET_DVR_GetLastError().ToString(), "Error", MessageBoxButtons.OK);
Flag = false;
CHCNetSDK.NET_DVR_StopRemoteConfig(m_lCapFaceCfgHandle);
break;
}
}
Marshal.FreeHGlobal(ptrStruCond);
}
