public bool CaptureBmp(string filename, out string error)
{
error = "";
#region 检验状态
if (!m_bInitSDK)
{
error = $"error: 设备尚未初始化，请检查是否缺少海康威视所需的SDK";
return(false);
}
if (m_lUserID < 0)
{
error = $"error: 设备未登录，请先登录.";
return(false);
}
if (m_lRealHandle < 0)
{
error = $"error: 尚未加载视频，不能进行抓图.";
return(false);
}
#endregion
if (!CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, filename))
{
error = "抓图错误，代码为：" + CHCNetSDK.NET_DVR_GetLastError();
return(false);
}
return(true);
}
private void btnBMP_Click(object sender, EventArgs e)
{
if (m_lRealHandle < 0)
{
DebugInfo("Please start live view firstly!"); //BMP抓图需要先打开预览
return;
}
string sBmpPicFileName;
//图片保存路径和文件名 the path and file name to save
sBmpPicFileName = "test.bmp";
//BMP抓图 Capture a BMP picture
if (!CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, sBmpPicFileName))
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();
str = "NET_DVR_CapturePicture failed, error code= " + iLastErr;
DebugInfo(str);
return;
}
else
{
str = "NET_DVR_CapturePicture succ and the saved file is " + sBmpPicFileName;
DebugInfo(str);
//将图片显示到picturebox dingyh
loadCapturePic(null);
}
return;
}
// 抓图点击时 开始抓图
private void cmsZT_Click(object sender, EventArgs e)
{
PictureBox pic = (PictureBox)(cms.SourceControl);
int index = int.Parse(pic.Name);
if (m_lRealHandle[index] >= 0) // 抓图
{
string path = ClassXml.getSetXml("capture");
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
//图片名称 年月日 时分秒
string sBmpPicFileName = System.DateTime.Now.ToString("yyMMddhhmmss");
sBmpPicFileName = path + "\\" + sBmpPicFileName + ".bmp";
//BMP抓图 Capture a BMP picture
if (!CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle[index], sBmpPicFileName))
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();
toolStripStatusLabel6.Text = "抓图失败，错误代码" + iLastErr.ToString();
}
else
{
toolStripStatusLabel6.Text = "抓图成功，保存文件名为" + sBmpPicFileName;
}
}
}
//抓图BMP
public string saveBMP()
{
if (m_lRealHandle < 0)
{
MessageBox.Show("Please start live view firstly!"); //BMP抓图需要先打开预览
return(null);
}
DateTime date = DateTime.Today;
string sBmpPicFileName;
//图片保存路径和文件名 the path and file name to save
//+ "-" + UserID + "_" + date.ToString("hh:mm:ss")
sBmpPicFileName = "D:\\" + date.ToString("yyyy-MM-dd") + ".bmp";
//BMP抓图 Capture a BMP picture
if (!CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, sBmpPicFileName))
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();
string str = "NET_DVR_CapturePicture failed, error code= " + iLastErr;
MessageBox.Show(str);
return(null);
}
else
{
string str = "Successful to capture the BMP file and the saved file is " + sBmpPicFileName;
MessageBox.Show(str);
}
return(sBmpPicFileName);
}
private void btnBMP_Click(object sender, EventArgs e)//»ñȡͼƬ
{
string sBmpPicFileName;
//ͼƬ±£´æ·¾¶ºÍÎļþÃû the path and file name to save
string time_now = DateTime.Now.ToString("yyyyMMddHHmmssffff");
sBmpPicFileName = "G:\\ÉãÏñÍ·ÅÄÕÕ\\" + time_now + ".JPEG";
//CHCNetSDK.netdvrsetca;
//BMPץͼ Capture a BMP picture
if (!CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle[m_lRealHandle_flag], sBmpPicFileName))
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();
str = "NET_DVR_CapturePicture failed, error code= " + iLastErr;
MessageBox.Show(str);
return;
}
else
{
str = "Successful to capture the BMP file and the saved file is \n" + sBmpPicFileName;
MessageBox.Show(str);
}
return;
}
/// <summary>
/// 预览抓取图片存放到指定路径
/// </summary>
/// <param name="RealPlayWnd">预览图片</param>
/// <param name="strfileName">存放图片文件路径</param>
/// <param name="strPosition">门岗序号</param>
/// <param name="strDriveway">通道序号</param>
/// <param name="ilChannel">摄像机序号</param>
/// <returns></returns>
public static void CaptureJPGPictureRealPlay(System.Windows.Forms.PictureBox RealPlayWnd, string strfileName, string strPosition, string strDriveway, Int32 ilChannel)
{
int ilrealHandle = RealPlay(ilChannel, RealPlayWnd);
string strSavePicFile = GetPicFileName(strfileName, strPosition, strDriveway, ilChannel);
CHCNetSDK.NET_DVR_CapturePicture(ilrealHandle, strSavePicFile);
}
/// <summary>
/// 视频截图，默认BMP格式
/// </summary>
/// <param name="saveImageFilePath">图片格式存储全路径;eg:D:\20170913162510.jpeg</param>
/// <param name="imageType">图片格式</param>
/// <returns>操作结果</returns>
public OperatedResult Capture(string saveImageFilePath, CaptureImageType imageType = CaptureImageType.BMP)
{
if (!IsPreviewing)
{
return(OperatedResult.Fail("尚未处于视频预览状态，不能进行视频截图操作."));
}
string _captureImageFile = string.IsNullOrEmpty(saveImageFilePath) != true ? saveImageFilePath : string.Format(@"{0}\{1}.{2}", CaptureFolders, DateTime.Now.ToString("yyyyMMddHHmmss"), imageType.ToString().ToLower());
bool _result = false;
switch (imageType)
{
case CaptureImageType.BMP:
_result = CHCNetSDK.NET_DVR_CapturePicture(previewId, _captureImageFile);
break;
case CaptureImageType.JPEG:
CHCNetSDK.NET_DVR_JPEGPARA _jpegParamter = new CHCNetSDK.NET_DVR_JPEGPARA();
_jpegParamter.wPicQuality = 0; //图像质量 Image quality
_jpegParamter.wPicSize = 0xff; //抓图分辨率 Picture size: 2- 4CIF，0xff- Auto(使用当前码流分辨率)，抓图分辨率需要设备支持，更多取值请参考SDK文档
_result = CHCNetSDK.NET_DVR_CaptureJPEGPicture(UserId, CurPreviewChannelNo, ref _jpegParamter, _captureImageFile);
break;
}
return(_result == true?OperatedResult.Success(_captureImageFile) : OperatedResult.Fail(LastErrorMessage));
}
public static bool Capture(string IP, int Channel, int m_lRealHandle, string cameraID)
{
CameraID = cameraID;
PictureBox p = new PictureBox();
if (!ManualRec.userIDList.ContainsKey(IP))
{
return(false);
}
int m_lUserID = ManualRec.userIDList[IP];
//图片保存路径和文件名 the path and file name to save
sBmpPicFileName = DateTime.Now.ToString("yyyyMMddHHmmss") + ".jpg";
//BMP抓图 Capture a BMP picture
bool result = CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, path + sBmpPicFileName);
if (result)
{
//CHCNetSDK.NET_DVR_StopRealPlay(m_lRealHandle);
CaptureForm1 form = new CaptureForm1();
form.Show();
form.SetupValueEvent += Form_SetupValueEvent;
}
return(result);
}
private void btnBMP_Click(object sender, EventArgs e)
{
if (m_lRealHandle < 0)
{
DebugInfo("Please start live view firstly!");
return;
}
string sBmpPicFileName;
sBmpPicFileName = "test.bmp";
if (!CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, sBmpPicFileName))
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();
str = "NET_DVR_CapturePicture failed, error code= " + iLastErr;
DebugInfo(str);
return;
}
else
{
str = "NET_DVR_CapturePicture succ and the saved file is " + sBmpPicFileName;
DebugInfo(str);
}
return;
}
/// <summary>
/// 抓拍照片
/// </summary>
/// <param name="fileName">保存文件路径</param>
/// <returns></returns>
public bool CapturePicture(string fileName)
{
if (m_lUserID < 0 || lRealHandle < 0)
{
return(false);
}
return(CHCNetSDK.NET_DVR_CapturePicture(lRealHandle, fileName));
}
public bool CaputereBMP(string path)
{
//BMP抓图 Capture a BMP picture
if (CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, path))
{
return(true);
}
return(false);
}
/// <summary>
/// 抓bmp图
/// </summary>
/// <param name="playHandle"></param>
/// <param name="fileName"></param>
/// <returns></returns>
public int CapturePictureBMP(int playHandle, string fileName)
{
//BMP抓图 Capture a BMP picture
if (!CHCNetSDK.NET_DVR_CapturePicture(playHandle, fileName))
{
uint lastErr = CHCNetSDK.NET_DVR_GetLastError();
LogHelper.Default.Debug(string.Format("设备{0}预览抓图失败，错误代码[{1}]", playHandle, lastErr));
return(Math.Abs((int)lastErr) * (-1));
}
return(0);
}
private void SavePicture()
{
string BMP_IMAGE = "BMP_test.bmp";
if (CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, BMP_IMAGE))
{
str = "保存路径为 " + BMP_IMAGE;
MessageBox.Show(str);
}
else
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();//获取失败编码
str = "NET_DVR_CapturePicture failed, error code= " + iLastErr;
MessageBox.Show(str);
return;
}
}
private void btnBMP_Click(object sender, EventArgs e)
{
string sBmpPicFileName;
//图片保存路径和文件名 the path and file name to save
sBmpPicFileName = "BMP_test.bmp";
//BMP抓图 Capture a BMP picture
if (!CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, sBmpPicFileName))
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();
str = "NET_DVR_CapturePicture failed, error code= " + iLastErr;
MessageBox.Show(str);
return;
}
else
{
str = "Successful to capture the BMP file and the saved file is " + sBmpPicFileName;
MessageBox.Show(str);
}
return;
}
private void btnBMP_Click(object sender, EventArgs e)
{
if (m_lRealHandle < 0)
{
DebugInfo("Please start live view firstly!"); //BMP抓图需要先打开预览
return;
}
string sBmpPicFileName;
//图片保存路径和文件名 the path and file name to save
sBmpPicFileName = "test.bmp";
if (comboBoxView.SelectedIndex == 0)
{
//BMP抓图 Capture a BMP picture
if (!CHCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, sBmpPicFileName))
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();
str = "NET_DVR_CapturePicture failed, error code= " + iLastErr;
DebugInfo(str);
return;
}
else
{
str = "NET_DVR_CapturePicture succ and the saved file is " + sBmpPicFileName;
DebugInfo(str);
}
}
else
{
int iWidth = 0, iHeight = 0;
uint iActualSize = 0;
if (!PlayCtrl.PlayM4_GetPictureSize(m_lPort, ref iWidth, ref iHeight))
{
iLastErr = PlayCtrl.PlayM4_GetLastError(m_lPort);
str = "PlayM4_GetPictureSize failed, error code= " + iLastErr;
DebugInfo(str);
return;
}
uint nBufSize = (uint)(iWidth * iHeight) * 5;
byte[] pBitmap = new byte[nBufSize];
if (!PlayCtrl.PlayM4_GetBMP(m_lPort, pBitmap, nBufSize, ref iActualSize))
{
iLastErr = PlayCtrl.PlayM4_GetLastError(m_lPort);
str = "PlayM4_GetBMP failed, error code= " + iLastErr;
DebugInfo(str);
}
else
{
FileStream fs = new FileStream(sBmpPicFileName, FileMode.Create);
fs.Write(pBitmap, 0, (int)iActualSize);
fs.Close();
str = "PlayM4_GetBMP succ and the saved file is " + sBmpPicFileName;
DebugInfo(str);
}
}
return;
}
/// <summary>
/// captureBmp
/// </summary>
/// <param name="filePathName">图片保存路径和文件名</param>
/// <param name="lChannel">通道号</param>
/// <returns></returns>
public static bool captureBmp(int lChannel, string filePathName)
{
//BMP抓图 Capture a BMP picture
return(!CHCNetSDK.NET_DVR_CapturePicture(lChannel, filePathName));
}
/// <summary>
/// 抓拍按钮点击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pbCapture_Click(object sender, EventArgs e)
{
//不是第一次选择文件夹
if (m_bIsFirstFloder)
{
switch (m_iType)
{
case 1: //自己api
string CapPathPath = m_CapPath + "\\" + DateTime.Now.ToString("yyyyMMdd") + "\\" + m_strName + "\\";
CreateDir(CapPathPath);
string CapPathSelf = CapPathPath + DateTime.Now.ToString("yyyyMMddHHmmss") + ".bmp";
if (CaptureBmp(CapPathSelf) >= 0)
{
MessageBox.Show("图片已保存", "提示");
}
else
{
MessageBox.Show("图片保存失败", "提示");
}
break;
case 2: //海康api
CHCNetSDK.NET_DVR_JPEGPARA JpegInfo = new CHCNetSDK.NET_DVR_JPEGPARA();
JpegInfo.wPicSize = 3; //3-UXGA(1600*1200)，
JpegInfo.wPicQuality = 2; //0-最好，1-较好，2-一般
string CapPathHikPath = m_CapPath + "\\" + DateTime.Now.ToString("yyyyMMdd") + "\\" + m_strName + "\\";
CreateDir(CapPathHikPath);
string CapPathHik = CapPathHikPath + DateTime.Now.ToString("yyyyMMddHHmmss") + ".jpeg";
if (CHCNetSDK.NET_DVR_CapturePicture(m_lHandle, CapPathHik))
{
CHCNetSDK.NET_DVR_GetLastError();
m_bIsFirstFloder = true;
MessageBox.Show("图片已保存", "提示");
}
else
{
MessageBox.Show("图片保存失败", "提示");
}
break;
}
}
//第一次选择文件夹
else
{
FolderBrowserDialog dialog = new FolderBrowserDialog();
dialog.Description = "请选择抓拍图片文件存储路径";
switch (m_iType)
{
case 1: //自己api
if (dialog.ShowDialog() == DialogResult.OK)
{
m_CapPath = dialog.SelectedPath;
//将路径写入到配置文件中
if (ReadIniAPI.SetValueWithTitleAndKey("PATH", "PATH.CapPicPath", m_CapPath))
{
SetCapPathAll();
MessageBox.Show("配置抓拍文件存储路径成功", "提示");
}
}
string CapPathPath = m_CapPath + "\\" + DateTime.Now.ToString("yyyyMMdd") + "\\" + m_strName + "\\";
CreateDir(CapPathPath);
string CapPathSelf = CapPathPath + DateTime.Now.ToString("yyyyMMddHHmmss") + ".bmp";
if (CaptureBmp(CapPathSelf) >= 0)
{
MessageBox.Show("图片已保存", "提示");
}
else
{
MessageBox.Show("图片保存失败", "提示");
}
break;
case 2: //海康api
CHCNetSDK.NET_DVR_JPEGPARA JpegInfo = new CHCNetSDK.NET_DVR_JPEGPARA();
JpegInfo.wPicSize = 3; //3-UXGA(1600*1200)，
JpegInfo.wPicQuality = 2; //0-最好，1-较好，2-一般
if (dialog.ShowDialog() == DialogResult.OK)
{
m_CapPath = dialog.SelectedPath;
SetCapPathAll();
string CapPath = m_CapPath.Replace(@"\", @"\\");
//将路径写入到配置文件中
if (ReadIniAPI.SetValueWithTitleAndKey("PATH", "PATH.CapPicPath", CapPath))
{
MessageBox.Show("配置抓拍文件存储路径成功", "提示");
}
}
string CapPathHikPath = m_CapPath + "\\" + DateTime.Now.ToString("yyyyMMdd") + "\\" + m_strName + "\\";
CreateDir(CapPathHikPath);
string CapPathHik = CapPathHikPath + DateTime.Now.ToString("yyyyMMddHHmmss") + ".jpeg";
if (CHCNetSDK.NET_DVR_CapturePicture(m_lHandle, CapPathHik))
{
CHCNetSDK.NET_DVR_GetLastError();
m_bIsFirstFloder = true;
MessageBox.Show("图片已保存", "提示");
}
else
{
MessageBox.Show("图片保存失败", "提示");
}
break;
}
}
}
/// <summary>
/// 预览抓取图片存放到指定路径
/// </summary>
/// <param name="irealHandle">预览值</param>
/// <param name="strfileName">存放图片文件路径</param>
/// <param name="strPosition">门岗序号</param>
/// <param name="strDriveway">通道序号</param>
/// <param name="ilChannel">摄像机序号</param>
/// <returns></returns>
public static void CaptureJPGPictureRealPlay(int irealHandle, string strfileName, string strPosition, string strDriveway, Int32 ilChannel)
{
string strSavePicFile = GetPicFileName(strfileName, strPosition, strDriveway, ilChannel);
CHCNetSDK.NET_DVR_CapturePicture(irealHandle, strSavePicFile);
}
/// <summary>
/// 保存图片，对显示图像进行瞬间抓图，只有打开图像的函数参数hWnd有效时该函数获取的参数才有效，否则无意义
/// </summary>
/// <param name="lRealHandle"></param>
/// <param name="pchPicFileName"></param>
/// <returns></returns>
public bool CapturePicture(int lRealHandle, string pchPicFileName)
{
return(CHCNetSDK.NET_DVR_CapturePicture(lRealHandle, pchPicFileName));
}