public CDHCam(int i, PictureBox pic_ShowImage)
{
List <IGXDeviceInfo> listGXDeviceInfo = new List <IGXDeviceInfo>();
IGXFactory.GetInstance().UpdateAllDeviceList(200, listGXDeviceInfo);
strSN = listGXDeviceInfo[i].GetSN();
m_objIGXDevice = IGXFactory.GetInstance().OpenDeviceBySN(strSN, GX_ACCESS_MODE.GX_ACCESS_EXCLUSIVE);
m_objGxBitmap = new GxBitmap(m_objIGXDevice, pic_ShowImage);
isOpen = false;
}
private void Snapshot_Click(object sender, EventArgs e)
{
try
{
//1.Open Device
// Before using any GxIAPINET methods, the GxIAPINET must be initialized.
m_objIGXFactory = IGXFactory.GetInstance();
m_objIGXFactory.Init();
//open device
List <IGXDeviceInfo> listGXDeviceInfo = new List <IGXDeviceInfo>();
// Close stream
__CloseStream();
// If the device is opened then close it to ensure the camera could open again.
__CloseDevice();
// Enumerate all camera devices
m_objIGXFactory.UpdateDeviceList(200, listGXDeviceInfo);
// Check if found any device
if (listGXDeviceInfo.Count <= 0)
{
MessageBox.Show("No devices found!");
return;
}
//Open the first found device
m_objIGXDevice = m_objIGXFactory.OpenDeviceBySN(listGXDeviceInfo[0].GetSN(), GX_ACCESS_MODE.GX_ACCESS_EXCLUSIVE);
m_objIGXFeatureControl = m_objIGXDevice.GetRemoteFeatureControl();
// Open stream
if (null != m_objIGXDevice)
{
m_objIGXStream = m_objIGXDevice.OpenStream(0);
}
// It is recommended that the user set the camera's stream channel packet length value
// according to the current network environment after turning on
// the network camera to improve the collection performance of the network camera.
// For the setting method, refer to the following code.
GX_DEVICE_CLASS_LIST objDeviceClass = m_objIGXDevice.GetDeviceInfo().GetDeviceClass();
if (GX_DEVICE_CLASS_LIST.GX_DEVICE_CLASS_GEV == objDeviceClass)
{
// Determine whether the device supports the stream channel packet function.
if (true == m_objIGXFeatureControl.IsImplemented("GevSCPSPacketSize"))
{
// Get the optimal packet length value of the current network environment
uint nPacketSize = m_objIGXStream.GetOptimalPacketSize();
// Set the optimal packet length value to the stream channel packet length of the current device.
m_objIGXFeatureControl.GetIntFeature("GevSCPSPacketSize").SetValue(nPacketSize);
}
}
__InitDevice();
m_objGxBitmap = new GxBitmap(m_objIGXDevice, m_pic_ShowImage);
//2.Start acquisition
// Start stream channel acquisition
if (null != m_objIGXStream)
{
m_objIGXStream.StartGrab();
}
// Send AcquisitionStart command
if (null != m_objIGXFeatureControl)
{
m_objIGXFeatureControl.GetCommandFeature("AcquisitionStart").Execute();
}
//3.Snapshot
IImageData objIImageData = null;
double dElapsedtime = 0;
uint nTimeout = 500;
//Flush image queues to clear out-of-date images
if (null != m_objIGXStream)
{
m_objIGXStream.FlushQueue();
}
//Send TriggerSoftware commands
if (null != m_objIGXFeatureControl)
{
m_objIGXFeatureControl.GetCommandFeature("TriggerSoftware").Execute();
}
//Get image
if (null != m_objIGXStream)
{
//Start stopwatch
m_objStopTime.Start();
objIImageData = m_objIGXStream.GetImage(nTimeout);
//Stop stopwatch and get the ElapsedTime
dElapsedtime = m_objStopTime.Stop();
}
m_objGxBitmap.Show(objIImageData);
string strFileName = @"D:\TestImages\SWS.bmp";
m_objGxBitmap.SaveBmp(objIImageData, strFileName);
if (null != objIImageData)
{
// Release resource
objIImageData.Destroy();
}
//4.Stop acquisition
// Send AcquisitionStop command
if (null != m_objIGXFeatureControl)
{
m_objIGXFeatureControl.GetCommandFeature("AcquisitionStop").Execute();
}
// Stop stream channel acquisition
if (null != m_objIGXStream)
{
m_objIGXStream.StopGrab();
}
//5.Close device
// Reset statistical time count
m_objStatistic.Reset();
// close stream and device
__CloseAll();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// 拍摄单张
public void SingleShot(string save_path)
{
strSingleShotName = save_path;
try
{
m_objIGXFactory = IGXFactory.GetInstance();
m_objIGXFactory.Init();
List <IGXDeviceInfo> listGXDeviceInfo = new List <IGXDeviceInfo>();
//关闭流
__CloseStream();
// 如果设备已经打开则关闭，保证相机在初始化出错情况下能再次打开
__CloseDevice();
m_objIGXFactory.UpdateDeviceList(200, listGXDeviceInfo);
// 判断当前连接设备个数
if (listGXDeviceInfo.Count <= 0)
{
MessageBox.Show("未发现设备!");
return;
}
str_MySN = listGXDeviceInfo[0].GetSN();
m_objIGXDevice = m_objIGXFactory.OpenDeviceBySN(str_MySN, GX_ACCESS_MODE.GX_ACCESS_EXCLUSIVE);
if (null == m_objIGXDevice)
{
MessageBox.Show(string.Format("未能打开相机{0}设备。", str_MySN));
return;
}
m_objGxBitmap = new GxBitmap(m_objIGXDevice);
m_objIGXFeatureControl = m_objIGXDevice.GetRemoteFeatureControl();
if (null == m_objIGXFeatureControl)
{
MessageBox.Show(string.Format("未获得相机{0}属性控制。", str_MySN));
return;
}
m_objIGXStream = m_objIGXDevice.OpenStream(0);
if (null == m_objIGXStream)
{
MessageBox.Show(string.Format("相机{0}获取流失败。", str_MySN));
}
//初始化相机参数
m_objIGXFeatureControl.GetEnumFeature("AcquisitionMode").SetValue("Continuous");
m_objIGXFeatureControl.GetEnumFeature("TriggerMode").SetValue("Off");
//打开流，获得单帧图像
m_objIGXStream.StartGrab();
m_objIGXFeatureControl.GetCommandFeature("AcquisitionStart").Execute();
IImageData singleImageData = m_objIGXStream.GetImage(100);
m_objIGXFeatureControl.GetCommandFeature("AcquisitionStop").Execute();
m_objIGXFeatureControl = null;
m_objIGXStream.StopGrab();
__CloseStream();
__CloseDevice();
m_objIGXFactory.Uninit();
if (!Directory.Exists(m_strFilePath))
{
Directory.CreateDirectory(m_strFilePath);
}
strSingleShotName = m_strFilePath + "\\" + strSingleShotName;
m_objGxBitmap.SaveBmp(singleImageData, strSingleShotName);
return;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
