public override bool Open()
{
try
{
m_FrameListener = new pfnCameraGrabberFrameListener(CameraGrabberFrameListener);
//图像镜像设置
MvApi.CameraSetMirror(m_hCamera, 0, 0);
MvApi.CameraSetMirror(m_hCamera, 1, 0);
MvApi.CameraGrabber_SetFrameListener(m_Grabber, m_FrameListener, IntPtr.Zero);
ContinuousShotStop();
GetCameraSettingData();
MvApi.CameraGrabber_StartLive(m_Grabber);
MvApi.CameraSetOutPutIOMode(m_hCamera, 0, (int)emCameraGPIOMode.IOMODE_GP_OUTPUT);
MvApi.CameraSetIOState(m_hCamera, 0, 1);
// Reset the stopwatch used to reduce the amount of displayed images. The camera may acquire images faster than the images can be displayed
//stopWatch.Reset();
IsLink = true;
}
catch (Exception ex)
{
Util.WriteLog(this.GetType(), ex);
Util.Notify("相机打开出现异常");
throw ex;
}
return(true);
}
public override bool Open()
{
try
{
m_FrameListener = new pfnCameraGrabberFrameListener(CameraGrabberFrameListener);
m_CameraConnectionStatusCallback = new CAMERA_CONNECTION_STATUS_CALLBACK(CameraConnectionStatusCallback);
//图像镜像设置,第三个参数代表是否镜像。
//MvApi.CameraSetMirror(m_hCamera, 0, 1); //Collumn镜像
MvApi.CameraSetMirror(m_hCamera, 1, 1); //Row镜像
MvApi.CameraGrabber_SetFrameListener(m_Grabber, m_FrameListener, IntPtr.Zero);
MvApi.CameraSetConnectionStatusCallback(m_hCamera, m_CameraConnectionStatusCallback, IntPtr.Zero);
ContinuousShotStop();
GetCameraSettingData();
MvApi.CameraGrabber_StartLive(m_Grabber);
MvApi.CameraSetOutPutIOMode(m_hCamera, 0, (int)emCameraGPIOMode.IOMODE_GP_OUTPUT);
MvApi.CameraSetIOState(m_hCamera, 0, 1);
// Reset the stopwatch used to reduce the amount of displayed images. The camera may acquire images faster than the images can be displayed
//stopWatch.Reset();
IsLink = true;
}
catch (Exception ex)
{
Util.WriteLog(this.GetType(), ex);
Util.Notify("相机打开出现异常");
return(false);
throw ex; //不能随便屏蔽，否则上层接收不到异常，会接着执行函数下面原先不应该执行的部分。
}
return(true);
}
private void btn_CameraSwitch_Click(object sender, EventArgs e)
{
HDevWindowStack.Push(hv_WindowHandle);
if (m_Grabber_1 != IntPtr.Zero || m_Grabber_2 != IntPtr.Zero)
{
if (CameraSwitch)
{
label_CameraNo.Text = "2";
if (m_Grabber_1 != IntPtr.Zero)
{
MvApi.CameraGrabber_StopLive(m_Grabber_1);
}
if (m_Grabber_2 != IntPtr.Zero)
{
MvApi.CameraGrabber_StartLive(m_Grabber_2);
}
CameraSwitch = false;
}
else
{
label_CameraNo.Text = "1";
if (m_Grabber_2 != IntPtr.Zero)
{
MvApi.CameraGrabber_StopLive(m_Grabber_2);
}
if (m_Grabber_1 != IntPtr.Zero)
{
MvApi.CameraGrabber_StartLive(m_Grabber_1);
}
CameraSwitch = true;
}
}
}
private void btn_CameraOperator_Click(object sender, EventArgs e)
{
if (m_Grabber != IntPtr.Zero)
{
MvApi.CameraGrabber_StartLive(m_Grabber);
}
}
/// <summary>
/// 打开两个相机 即初始化
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_OpenTwoCameras_Click(object sender, EventArgs e)
{
//初始化相机
InitCamera();
label_CameraNo.Text = "1";
if (m_Grabber_1 != IntPtr.Zero)
{
MvApi.CameraGrabber_StartLive(m_Grabber_1);
}
}
private void btn_TwoCameras_Find_Photos_Click(object sender, EventArgs e)
{
if (m_Grabber_1 != IntPtr.Zero || m_Grabber_2 != IntPtr.Zero)
{
HDevWindowStack.Push(hv_WindowHandle_1);
HDevWindowStack.Push(hv_WindowHandle_2);
MvApi.CameraGrabber_StartLive(m_Grabber_2);
MvApi.CameraGrabber_StartLive(m_Grabber_1);
}
}
private void btn_CurrentCameraPhoto_Click(object sender, EventArgs e)
{
HDevWindowStack.Push(hv_WindowHandle);
if (m_Grabber_1 != IntPtr.Zero || m_Grabber_2 != IntPtr.Zero)
{
if (label_CameraNo.Text == "2")
{
MvApi.CameraGrabber_StartLive(m_Grabber_2);
}
else
{
MvApi.CameraGrabber_StartLive(m_Grabber_1);
}
}
}
public void CameraStart()
{
if (m_Grabber != IntPtr.Zero)
{
MvApi.CameraGrabber_StartLive(m_Grabber);
}
try
{
var ct = cts.Token;
t1 = new Task(() => { ClearList(ct); }, ct);
}
catch (MyException ex)
{
MessageBox.Show("task" + ex.ToString());
}
if (t1.Status == TaskStatus.Canceled)
{
t1.Start();
clearFlage = true;
}
}
public override void ContinuousShot()
{
if (m_Grabber == IntPtr.Zero)
{
return;
}
try
{
Command = Command.Video;
MvApi.CameraSetTriggerMode(m_hCamera, (int)emSdkSnapMode.CONTINUATION);
CameraSdkStatus suatus = MvApi.CameraGrabber_StartLive(m_Grabber);
if (suatus != CameraSdkStatus.CAMERA_STATUS_SUCCESS)
{
Util.Notify("相机连续采集开始异常");
}
IsContinuousShot = true;
}
catch (Exception ex)
{
Util.WriteLog(this.GetType(), ex);
Util.Notify("相机连续采集开始异常");
}
}
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);
}
