public bool InitCamera()
{
const int MAX_CAMS = 2;
tSdkCameraDevInfo[] sCameraList = null;
int iCameraNums = MAX_CAMS;
tSdkCameraCapbility sCameraInfo = new tSdkCameraCapbility();
CameraSdkStatus status = MvApi.CameraEnumerateDevice(out sCameraList);
if (status != CameraSdkStatus.CAMERA_STATUS_SUCCESS || iCameraNums == 0)
{
return(false);
}
//只假设连接了一个相机。
if ((status = MvApi.CameraInit(ref sCameraList[0], -1, -1, ref m_hCamera)) != CameraSdkStatus.CAMERA_STATUS_SUCCESS)
{
string msg = string.Format("***Failed to init the camera! Error code is {0}", status);
WinCall.TraceMessage(msg);
return(false);
}
//Get properties description for this camera.
MvApi.CameraGetCapability(m_hCamera, out sCameraInfo);
m_ImageBufferSnapshot = Marshal.AllocHGlobal(sCameraInfo.sResolutionRange.iWidthMax * sCameraInfo.sResolutionRange.iHeightMax * 3 + 1024);
return(true);
}
private void InitCamera()
{
CameraSdkStatus status = 0;
tSdkCameraDevInfo[] DevList;
MvApi.CameraEnumerateDevice(out DevList);
int NumDev = (DevList != null ? DevList.Length : 0);
if (NumDev < 1)
{
MessageBox.Show("未扫描到相机");
return;
}
else if (NumDev == 1)
{
status = MvApi.CameraGrabber_Create(out m_Grabber, ref DevList[0]);
}
else //选择哪个相机
{
status = MvApi.CameraGrabber_CreateFromDevicePage(out m_Grabber);
}
if (status == 0)
{
//获得相机的描述信息
MvApi.CameraGrabber_GetCameraDevInfo(m_Grabber, out m_DevInfo);
//获得相机的句柄
MvApi.CameraGrabber_GetCameraHandle(m_Grabber, out m_hCamera);
//sheshe设置相机配置窗口的启动页面
MvApi.CameraCreateSettingPage(m_hCamera, this.Handle, m_DevInfo.acFriendlyName, null, (IntPtr)0, 0);
//设置RGB回调函数
MvApi.CameraGrabber_SetRGBCallback(m_Grabber, m_FrameCallback, IntPtr.Zero);
tSdkCameraCapbility cap;
//黑白相机设置ISP输出灰度图像
//彩色相机ISP默认输出BGR24图像
//获得相机特性
MvApi.CameraGetCapability(m_hCamera, out cap);
//表示该型号相机是否为黑白相机,如果是黑白相机，则颜色相关的功能都无法调节
if (cap.sIspCapacity.bMonoSensor != 0)
{
MvApi.CameraSetIspOutFormat(m_hCamera, (uint)MVSDK.emImageFormat.CAMERA_MEDIA_TYPE_MONO8);
//创建灰度调色板
Bitmap Image = new Bitmap(1, 1, PixelFormat.Format8bppIndexed);
m_GrayPal = Image.Palette;
for (int Y = 0; Y < m_GrayPal.Entries.Length; Y++)
{
m_GrayPal.Entries[Y] = Color.FromArgb(255, Y, Y, Y);
}
}
//设置vflip，由于sdk输出的数据默认是从底部到顶部，打开flip后就可以直接转成bitmap
MvApi.CameraSetMirror(m_hCamera, 1, 1);
// MvApi.CameraGrabber_StartLive(m_Grabber);
}
else
{
MessageBox.Show(String.Format("打开相机失败，原因：{0}", status));
}
}
protected override void GetCameraSettingData()
{
try
{
tSdkCameraCapbility cap;
MvApi.CameraGetCapability(m_hCamera, out cap);
if (cap.sIspCapacity.bMonoSensor == 1)
{
MvApi.CameraSetIspOutFormat(m_hCamera, (uint)emImageFormat.CAMERA_MEDIA_TYPE_MONO8);
}
else
{
MvApi.CameraSetIspOutFormat(m_hCamera, (uint)emImageFormat.CAMERA_MEDIA_TYPE_RGB8);
}
//long max, min, cur;
gainMin = cap.sExposeDesc.uiAnalogGainMin;
gainMax = cap.sExposeDesc.uiAnalogGainMax;
int piAnalogGain = 0;
MvApi.CameraGetAnalogGain(m_hCamera, ref piAnalogGain);
gainCur = piAnalogGain;
gainUnit = "";
shuterUnit = "us";
shuterMin = cap.sExposeDesc.uiExposeTimeMin;
shuterMax = cap.sExposeDesc.uiExposeTimeMax;
double pfLineTime = 0;
MvApi.CameraGetExposureLineTime(m_hCamera, ref pfLineTime);
shuterCur = (long)pfLineTime;
triggerDelayAbsMin = 0;
triggerDelayAbsMax = 1000000;
uint puDelayTimeUs = 0;
MvApi.CameraGetTriggerDelayTime(m_hCamera, ref puDelayTimeUs);
triggerDelayAbs = puDelayTimeUs;
lineDebouncerTimeAbsMin = 0;
lineDebouncerTimeAbsMax = 5000;
lineDebouncerTimeAbs = 0;
byte[] psCameraName = new byte[255];
MvApi.CameraGetFriendlyName(m_hCamera, psCameraName);
CameraName = System.Text.Encoding.ASCII.GetString(psCameraName);
}
catch (Exception ex)
{
Util.WriteLog(this.GetType(), ex);
Util.Notify("相机设置信息获取异常");
}
}
private bool InitCamera()
{
CameraSdkStatus status = 0;
tSdkCameraDevInfo[] DevList;
MvApi.CameraEnumerateDevice(out DevList);
int NumDev = (DevList != null ? DevList.Length : 0);
if (NumDev < 1)
{
System.Windows.MessageBox.Show("未扫描到相机");
return(false);
}
else if (NumDev == 1)
{
status = MvApi.CameraGrabber_Create(out m_Grabber, ref DevList[0]);
}
else
{
status = MvApi.CameraGrabber_CreateFromDevicePage(out m_Grabber);
}
if (status == 0)
{
MvApi.CameraGrabber_GetCameraDevInfo(m_Grabber, out m_DevInfo);
MvApi.CameraGrabber_GetCameraHandle(m_Grabber, out m_hCamera);
var handle = (new WindowInteropHelper(window)).Handle;
MvApi.CameraCreateSettingPage(m_hCamera, handle, m_DevInfo.acFriendlyName, null, (IntPtr)0, 0);
MvApi.CameraGrabber_SetRGBCallback(m_Grabber, m_FrameCallback, IntPtr.Zero);
// 黑白相机设置ISP输出灰度图像
// 彩色相机ISP默认会输出BGR24图像
tSdkCameraCapbility cap;
MvApi.CameraGetCapability(m_hCamera, out cap);
if (cap.sIspCapacity.bMonoSensor != 0)
{
MvApi.CameraSetIspOutFormat(m_hCamera, (uint)MVSDK.emImageFormat.CAMERA_MEDIA_TYPE_MONO8);
// 创建灰度调色板
Bitmap Image = new Bitmap(1, 1, System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
m_GrayPal = Image.Palette;
for (int Y = 0; Y < m_GrayPal.Entries.Length; Y++)
{
m_GrayPal.Entries[Y] = System.Drawing.Color.FromArgb(255, Y, Y, Y);
}
}
// 设置VFlip，由于SDK输出的数据默认是从底到顶的，打开VFlip后就可以直接转换为Bitmap
MvApi.CameraSetMirror(m_hCamera, 1, 1);
// 设置相机预设分辨率
tSdkImageResolution t;
MvApi.CameraGetImageResolution(m_hCamera, out t);
t.iIndex = 8;//切换预设分辨率， 只需要设定index值就行了。640*480 mono bin
MvApi.CameraSetImageResolution(m_hCamera, ref t);
// 为了演示如何在回调中使用相机数据创建Bitmap并显示到PictureBox中，这里不使用SDK内置的绘制操作
//MvApi.CameraGrabber_SetHWnd(m_Grabber, this.DispWnd.Handle);
MvApi.CameraGrabber_StartLive(m_Grabber);
return(true);
}
else
{
System.Windows.MessageBox.Show(String.Format("打开相机失败，原因：{0}", status));
}
return(false);
}
