展示结果:
下面附上界面中所有控件的Name,只需照着红字设置对应的控件Name即可
下面附上小编主界面的全部代码:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using HalconDotNet;
using MvCameraControl;
namespace MVC
{
public partial class Form1 : Form
{
// ch:枚举的相机类型 | en:TLayerType for enumerate devices
readonly DeviceTLayerType enumTLayerType = DeviceTLayerType.MvGigEDevice | DeviceTLayerType.MvUsbDevice
| DeviceTLayerType.MvGenTLGigEDevice | DeviceTLayerType.MvGenTLCXPDevice | DeviceTLayerType.MvGenTLCameraLinkDevice | DeviceTLayerType.MvGenTLXoFDevice;
List<IDeviceInfo> deviceInfoList = new List<IDeviceInfo>();
IDevice device = null;
bool isGrabbing = false; //是否正在取图
Thread receiveThread = null; //接收图像线程
Thread receiveImage = null;
IntPtr pictureBoxHandle = IntPtr.Zero; //显示图像的控件句柄
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
//初始化SDK
SDKSystem.Initialize();
//枚举设备
RefreshDeviceList();
}
/// <summary>
/// ch:显示错误信息 | en:Show error message
/// </summary>
private void ShowErrorMsg(string message, int errorCode)
{
string errorMsg;
if (errorCode == 0)
{
errorMsg = message;
}
else
{
errorMsg = message + ": Error =" + String.Format("{0:X}", errorCode);
}
switch (errorCode)
{
case MvError.MV_E_HANDLE: errorMsg += " Error or invalid handle "; break;
case MvError.MV_E_SUPPORT: errorMsg += " Not supported function "; break;
case MvError.MV_E_BUFOVER: errorMsg += " Cache is full "; break;
case MvError.MV_E_CALLORDER: errorMsg += " Function calling order error "; break;
case MvError.MV_E_PARAMETER: errorMsg += " Incorrect parameter "; break;
case MvError.MV_E_RESOURCE: errorMsg += " Applying resource failed "; break;
case MvError.MV_E_NODATA: errorMsg += " No data "; break;
case MvError.MV_E_PRECONDITION: errorMsg += " Precondition error, or running environment changed "; break;
case MvError.MV_E_VERSION: errorMsg += " Version mismatches "; break;
case MvError.MV_E_NOENOUGH_BUF: errorMsg += " Insufficient memory "; break;
case MvError.MV_E_UNKNOW: errorMsg += " Unknown error "; break;
case MvError.MV_E_GC_GENERIC: errorMsg += " General error "; break;
case MvError.MV_E_GC_ACCESS: errorMsg += " Node accessing condition error "; break;
case MvError.MV_E_ACCESS_DENIED: errorMsg += " No permission "; break;
case MvError.MV_E_BUSY: errorMsg += " Device is busy, or network disconnected "; break;
case MvError.MV_E_NETER: errorMsg += " Network error "; break;
}
MessageBox.Show(errorMsg, "PROMPT");
}
private void RefreshDeviceList()
{
//创建设备列表
cbDeviceList.Items.Clear();
int nRet = DeviceEnumerator.EnumDevices(enumTLayerType, out deviceInfoList);
if (nRet != MvError.MV_OK)
{
ShowErrorMsg("Enumerate devices fail !", nRet);
return;
}
//在窗体列表中显示设备名
for (int i = 0; i < deviceInfoList.Count; i++)
{
IDeviceInfo deviceInfo = deviceInfoList[i];
if (deviceInfo.UserDefinedName != "")
{
cbDeviceList.Items.Add(deviceInfo.TLayerType.ToString() + ": " + deviceInfo.UserDefinedName + " (" + deviceInfo.SerialNumber + ")");
}
else
{
cbDeviceList.Items.Add(deviceInfo.TLayerType.ToString() + ": " + deviceInfo.ManufacturerName + " " + deviceInfo.ModelName + " (" + deviceInfo.SerialNumber + ")");
}
}
//选择第一项
if (deviceInfoList.Count != 0)
{
cbDeviceList.SelectedIndex = 0;
}
}
private void bnClose_Click(object sender, EventArgs e)
{
//取流标志位清零
if (isGrabbing == true)
{
bnStopGrab_Click(sender, e);
}
//关闭设备
if (device != null)
{
device.Close();
device.Dispose();
}
//控件操作
SetCtrlWhenClose();
}
private void SetCtrlWhenClose()
{
bnOpen.Enabled = true;
bnClose.Enabled = false;
bnStartGrab.Enabled = false;
bnStopGrab.Enabled = false;
bnContinuesMode.Enabled = false;
bnTriggerMode.Enabled = false;
cbSoftTrigger.Enabled = false;
bnTriggerExec.Enabled = false;
tbExposure.Enabled = false;
tbGain.Enabled = false;
tbFrameRate.Enabled = false;
bnGetParam.Enabled = false;
bnSetParam.Enabled = false;
}
private void bnEnum_Click(object sender, EventArgs e)
{
RefreshDeviceList();
}
private void bnOpen_Click(object sender, EventArgs e)
{
if (deviceInfoList.Count == 0 || cbDeviceList.SelectedIndex == -1)
{
ShowErrorMsg("No device, please select", 0);
return;
}
//获取选择的设备信息
IDeviceInfo deviceInfo = deviceInfoList[cbDeviceList.SelectedIndex];
try
{
//打开设备
device = DeviceFactory.CreateDevice(deviceInfo);
}
catch (Exception ex)
{
MessageBox.Show("Create Device fail !" + ex.Message);
return;
}
int result = device.Open();
if (result != MvError.MV_OK)
{
ShowErrorMsg("Open Device fail", result);
return;
}
//判断是否为gige设备
if (device is IGigEDevice)
{
//转换为gige设备
IGigEDevice gigEDevice = device as IGigEDevice;
//探测网络最佳包大小
int optionPacketSize;
result = gigEDevice.GetOptimalPacketSize(out optionPacketSize);
if (result != MvError.MV_OK)
{
ShowErrorMsg("Waring: Get packet Size failed !", result);
}
else
{
result = device.Parameters.SetIntValue("GevSCPSPPacketSize", (long)optionPacketSize);
if (result != MvError.MV_OK)
{
ShowErrorMsg("Waring: Set Packet Size failed", result);
}
}
}
//设置采集卡连续模式
device.Parameters.SetEnumValueByString("AcauisitionMode", "Continuous");
device.Parameters.SetEnumValueByString("TriggerMode", "Off");//关闭触发模式
//控件操作
SetCtrlWhenOpen();
//获取参数
bnGetParam_Click(null, null);
}
private void SetCtrlWhenOpen()
{
bnOpen.Enabled = false;
bnClose.Enabled = true;
bnStartGrab.Enabled = true;
bnStopGrab.Enabled = false;
bnContinuesMode.Enabled = true;
bnContinuesMode.Checked = true;
//bnContinuesMode_CheckedChanged(null,null);
bnTriggerMode.Enabled = true;
cbSoftTrigger.Enabled = false;
bnTriggerExec.Enabled = false;
tbExposure.Enabled = true;
tbGain.Enabled = true;
tbFrameRate.Enabled = true;
bnGetParam.Enabled = true;
bnSetParam.Enabled = true;
}
private void GetTriggerMode()
{
IEnumValue enumValue;
int result = device.Parameters.GetEnumValue("TriggerMode", out enumValue);
if (result == MvError.MV_OK)
{
if (enumValue.CurEnumEntry.Symbolic == "On")
{
bnTriggerMode.Checked = true;
bnContinuesMode.Checked = false;
result = device.Parameters.GetEnumValue("TriggerMode", out enumValue);
if (result == MvError.MV_OK)
{
if (enumValue.CurEnumEntry.Symbolic == "TriggerSoftware")
{
cbSoftTrigger.Enabled = true;
cbSoftTrigger.Checked = true;
if (isGrabbing)
{
bnTriggerExec.Enabled = true;
}
}
}
}
else
{
bnContinuesMode.Checked = true;
bnTriggerMode.Checked = false;
}
}
}
private void bnGetParam_Click(object sender, EventArgs e)
{
GetTriggerMode();
IFloatValue floatValue;
int result = device.Parameters.GetFloatValue("ExposureTime", out floatValue);
if (result == MvError.MV_OK)
{
tbExposure.Text = floatValue.CurValue.ToString("F1");
}
result = device.Parameters.GetFloatValue("Gain", out floatValue);
if (result == MvError.MV_OK)
{
tbGain.Text = floatValue.CurValue.ToString("F1");
}
result = device.Parameters.GetFloatValue("ResultingFrameRate", out floatValue);
if (result == MvError.MV_OK)
{
tbFrameRate.Text = floatValue.CurValue.ToString("F1");
}
IEnumValue enumValue;
result = device.Parameters.GetEnumValue("PixelFormat", out enumValue);
if (result == MvError.MV_OK)
{
tbPixelFormat.Text = enumValue.CurEnumEntry.Symbolic;
}
}
private void bnSetParam_Click(object sender, EventArgs e)
{
try
{
float.Parse(tbExposure.Text);
float.Parse(tbGain.Text);
float.Parse(tbFrameRate.Text);
}
catch
{
ShowErrorMsg("Please enter correct type !", 0);
return;
}
device.Parameters.SetEnumValue("ExposureAuto", 0);
int result = device.Parameters.SetFloatValue("ExposureTime", float.Parse(tbExposure.Text));
if (result != MvError.MV_OK)
{
ShowErrorMsg("Set Gain Fail", result);
}
device.Parameters.SetEnumValue("GainAuto", 0);
result = device.Parameters.SetFloatValue("Gain", float.Parse(tbGain.Text));
if (result != MvError.MV_OK)
{
ShowErrorMsg("Set Gain Fail !", result);
}
result = device.Parameters.SetBoolValue("AcquisitionFrameRateEnable", true);
if (result != MvError.MV_OK)
{
ShowErrorMsg("Set AcquisitionFrameRateEnable Fail !", result);
}
else
{
result = device.Parameters.SetFloatValue("AcquisitionFrameRate", float.Parse(tbFrameRate.Text));
if (result != MvError.MV_OK)
{
ShowErrorMsg("Set Frame Rate Fail !", result);
}
}
}
private void bnStopGrab_Click(object sender, EventArgs e)
{
//标志位设为false
isGrabbing = false;
receiveThread.Join();
//停止采集
int result = device.StreamGrabber.StopGrabbing();
if (result != MvError.MV_OK)
{
ShowErrorMsg("Stop Grabbing Fail !", result);
}
//控件操作
SetCtrlWhenStopGrab();
}
private void SetCtrlWhenStopGrab()
{
bnStartGrab.Enabled = true;
bnStopGrab.Enabled = false;
cbSoftTrigger.Enabled = false;
bnTriggerExec.Enabled = false;
}
private void bnTriggerExec_Click(object sender, EventArgs e)
{
//触发命令
int result = device.Parameters.SetCommandValue("TriggerSoftware");
if (result != MvError.MV_OK)
{
ShowErrorMsg("Trigger Software Fail !", result);
}
}
private void cbSoftTrigger_CheckedChanged(object sender, EventArgs e)
{
//触发源设为软触发
if (cbSoftTrigger.Checked)
{
device.Parameters.SetEnumValueByString("TriggerSource", "Software");
if (isGrabbing)
{
bnTriggerExec.Enabled = true;
}
}
if (!cbSoftTrigger.Checked)
{
device.Parameters.SetEnumValueByString("TriggerSource", "Line0");
bnTriggerExec.Enabled = false;
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
bnClose_Click(null, null);
//反初始化
SDKSystem.Finalize();
}
private void bnContinuesMode_CheckedChanged(object sender, EventArgs e)
{
if (bnContinuesMode.Checked)
{
device.Parameters.SetEnumValueByString("TriggerMode", "Off");
cbSoftTrigger.Enabled = false;
bnTriggerExec.Enabled = false;
}
}
private void bnTriggerMode_CheckedChanged(object sender, EventArgs e)
{
if (bnTriggerMode.Checked)
{
//打开触发模式
device.Parameters.SetEnumValueByString("TriggerMode", "On");
if ((bool)cbSoftTrigger.Checked)
{
device.Parameters.SetEnumValueByString("TriggerSource", "Software");
if (isGrabbing)
{
bnTriggerExec.Enabled = true;
}
}
else
{
device.Parameters.SetEnumValueByString("TriggerSource", "Line0");
}
cbSoftTrigger.Enabled = true;
cbSoftTrigger.Checked = true;
}
}
public void ReciveThreadProcess()
{
IFrameOut frameOut = null;
int result = MvError.MV_OK;
while (isGrabbing)
{
result = device.StreamGrabber.GetImageBuffer(1000, out frameOut);
if (result == MvError.MV_OK)
{
device.ImageRender.DisplayOneFrame(pictureBoxHandle, frameOut.Image);
device.StreamGrabber.FreeImageBuffer(frameOut);
}
}
}
public void ReciveThreadImage()
{
IFrameOut frameOut = null;
int result = MvError.MV_OK;
int windowWidth = hWindowControl1.Width;
int windowHeight = hWindowControl1.Height;
double windowAspect = (double)windowWidth / windowHeight;
while (isGrabbing)
{
result = device.StreamGrabber.GetImageBuffer(1000, out frameOut);
if (result == MvError.MV_OK)
{
IImage image = frameOut.Image;
int width = (int)image.Width;
int height = (int)image.Height;
double imageAspect = (double)width / height;
int row1, col1, row2, col2;
if (imageAspect > windowAspect)
{
col1 = 0;
col2 = width - 1;
int newHeight = (int)(width / windowAspect);
row1 = (width - newHeight) / 2;
row2 = row1 + newHeight - 1;
}
else
{
row1 = 0;
row2 = height - 1;
int newWidth = (int)(height * windowAspect);
col1 = (width - newWidth)/2;
col2 = col1 + newWidth - 1;
}
hWindowControl1.HalconWindow.SetPart(row1, col1, row2, col2);
IntPtr imagePtr = image.PixelDataPtr;
Console.WriteLine(image.PixelType);
if (image.PixelType == MvGvspPixelType.PixelType_Gvsp_BayerBG8)
{
HImage hImage = new HImage("byte",width,height,imagePtr);
HObject rgbImage;
HOperatorSet.CfaToRgb(hImage, out rgbImage, "bayer_bg", "bilinear");
HOperatorSet.DispObj(rgbImage, hWindowControl1.HalconWindow);
hImage.Dispose();
rgbImage.Dispose();
}
}
}
}
private void bnStartGrab_Click(object sender, EventArgs e)
{
try
{
isGrabbing = true;
pictureBoxHandle = displayArea.Handle;
receiveThread = new Thread(ReciveThreadProcess);
receiveThread.Start();
receiveImage = new Thread(ReciveThreadImage);
receiveImage.Start();
}
catch (Exception ex)
{
MessageBox.Show("Start thread failed !" + ex.Message);
return;
}
//开始采集
int result = device.StreamGrabber.StartGrabbing();
if (result != MvError.MV_OK)
{
isGrabbing = false;
receiveThread.Join();
ShowErrorMsg("Start Grabbing Fail !", result);
return;
}
SetCtrlWhenStartGrab();
}
private void SetCtrlWhenStartGrab()
{
bnStartGrab.Enabled = false;
bnStopGrab.Enabled = true;
if ((bool)bnTriggerMode.Checked)
{
cbSoftTrigger.Enabled = true;
if ((bool)cbSoftTrigger.Checked)
{
bnTriggerExec.Enabled = true;
}
}
}
}
}