/// <summary>
/// 图像采集函数 ,线程
/// </summary>
private void ShowThread()
{
while (true)
{
if (frameList.Count == 0)
{
Thread.Sleep(10);
continue;
}
/* 图像队列取最新帧 */
mutex.WaitOne();
IGrabbedRawData frame = frameList.ElementAt(frameList.Count - 1);
frameList.Clear();
mutex.ReleaseMutex();
/* 主动调用回收垃圾 */
GC.Collect();
/* 控制显示最高帧率为25FPS */
if (false == IsTimeToDisplay())
{
continue;
}
try
{
/* 图像转码成bitmap图像 */
var bitmap = frame.ToBitmap(false);
HObject image = BitmapToHImage(bitmap);
OnImageAcqed(image);//触发事件
try
{
image.Dispose();
image = null;
}
catch { }
try
{
bitmap.Dispose();
bitmap = null;
}
catch { }
}
catch (Exception exception)
{
Catcher.Show(exception);
/* MessageBox.Show("Dahua:系统异常");
* Environment.Exit(0);*/
}
}
}
private void ShowThread() // 开启线程采集
{
try
{
while (m_bShowLoop)
{
if (m_frameList.Count == 0)
{
Thread.Sleep(10);
continue;
}
/* 图像队列取最新帧 */
m_mutex.WaitOne();
IGrabbedRawData frame = m_frameList.ElementAt(m_frameList.Count - 1);
m_frameList.Clear();
m_mutex.ReleaseMutex();
/* 主动调用回收垃圾 */
GC.Collect();
/* 控制显示最高帧率为25FPS */
if (false == isTimeToDisplay())
{
continue;
}
try
{
/* 图像转码成bitmap图像 */
var bitmap = frame.ToBitmap(false);
// Bitmap bit = bitmap.Clone();
m_bShowByGDI = true;
if (m_bShowByGDI)
{
HImage himage = BitmapToHImage(bitmap);
/// 添加事件通过绑定事件的方式进行图像传播
DoSomething(bitmap, himage);
}
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
}
catch (Exception)
{
throw;
}
}
/* 转码显示线程 */
private void ShowThread()
{
while (m_bShowLoop)
{
if (m_frameList.Count == 0)
{
Thread.Sleep(10);
continue;
}
/* 图像队列取最新帧 */
m_mutex.WaitOne();
IGrabbedRawData frame = m_frameList.ElementAt(m_frameList.Count - 1);
m_frameList.Clear();
m_mutex.ReleaseMutex();
/* 主动调用回收垃圾 */
GC.Collect();
/* 控制显示最高帧率为25FPS */
if (false == isTimeToDisplay())
{
continue;
}
try
{
/* 图像转码成bitmap图像 */
bitmap = frame.ToBitmap(false);
m_bShowByGDI = true;
if (m_bShowByGDI)
{
/* 使用GDI绘图 */
if (_g == null)
{
_g = pbImage.CreateGraphics();
}
_g.DrawImage(bitmap, new Rectangle(0, 0, pbImage.Width, pbImage.Height),
new Rectangle(0, 0, bitmap.Width, bitmap.Height), GraphicsUnit.Pixel);
if (bitmap != null)
{
imgOri = bitmap;
}
// bitmap.Save(strSavePath + strFileName);
// bitmap.Dispose();
}
else
{
/* 使用控件绘图,会造成主界面卡顿 */
if (InvokeRequired)
{
BeginInvoke(new MethodInvoker(() =>
{
try
{
pbImage.Image = bitmap;
}
// save captured image
// bitmap.Save("C:\\Users\\rocki\\Desktop\\captured\\shot.jpg");
catch (Exception exception)
{
Catcher.Show(exception);
}
}));
}
}
}
catch (Exception exception)
{
Catcher.Show(exception);
}
}
}
private void DoBarCode()
{
try
{
if (MvBarCode.MvBarCodeGlobalVar.LocalImageMode)
{
_ImageWidth = 4000;
_ImageHeight = 3000;
}
// 初始化算法
MvBarCodeGlobalVar.Log.Info("DoBarCode:开始初始化算法");
MvBarCodeCore magic = new MvBarCodeCore();
lock (locker)
{
if (!magic.InitAlgorithm(this.Width, this.Height))
{
MvBarCodeGlobalVar.Log.Error("InitAlgorithm failed");
Debug.WriteLine("InitAlgorithm failed");
return;
}
MvBarCodeGlobalVar.Log.Info("DoBarCode:结束初始化一维码算法");
if (MvBarCode.MvBarCodeGlobalVar.OpenGetSheet)
{
COcrMatting = new MvOcrMat();
COcrMatting.InitAlgorithm(this.Width, this.Height);
}
CSharpnessMeasure = new MvSharpnessMeasure();
CSharpnessMeasure.InitAlgorithm(this.Width, this.Height);
CSharpnessMeasure.SetConfig();
MvBarCodeGlobalVar.Log.Info("DoBarCode:结束初始化清晰度算法");
}
MvBarCodeGlobalVar.Log.Info("DoBarCode:结束初始化算法");
// 初始化算法配参
MvBarCodeCore.MvSBcConfigParam param = new MvBarCodeCore.MvSBcConfigParam();
param.Initialization();
magic.GetConfig(ref param);
param.CodeType[0] = 2;
param.CodeType[1] = 1;
param.codeNum = MvBarCodeGlobalVar.maxNum;
param.max1DCodeNum = MvBarCodeGlobalVar.maxNum;
param.segmentationMethod = MvBarCodeGlobalVar.segmentationMethod;
param.ElemMaxWidth = MvBarCodeGlobalVar.ElemMaxWidth;
param.ElemMinWidth = MvBarCodeGlobalVar.ElemMinWidth;
param.MinHeight = MvBarCodeGlobalVar.MinHeight;
param.MinWidth = MvBarCodeGlobalVar.MinWidth;
param.MaxHeight = MvBarCodeGlobalVar.MaxHeight;
param.MaxWidth = MvBarCodeGlobalVar.MaxWidth;
magic.SetConfig(ref param);
// 记录最新条形码信息
List <string> newCodes = new List <string>();
// 算法运行标识
WaitHandle[] handles = new WaitHandle[] { _DetectBarCodeEvent, _ExitHandle };
//截取面单标识符
cutSheetHanless = new WaitHandle[] { _CutSheetHanle, _ExitHandle };
//结束截取面单标识符
doneCutSheetHandless = new WaitHandle[] { _DoneCutSheetHandle, _ExitHandle };
MvBarCodeGlobalVar.Log.Info("DoBarCode:结束算法配置参数");
// 算法运算
while (_bAppStatus)
{
// 等待采样结束
if (WaitHandle.WaitAny(handles) != 0)
{
break;
}
// 若当前无检测数据，线程休息1ms
if (Interlocked.Read(ref _bAlgorithmRunning) == 0)
{
continue;
}
// 检测指定图片
MvCodeInfo[] ci = null;
using (MvsImageParam img = new MvsImageParam())
{
// 赋值图像样本参数
img.Width = _FrameData.Width;
img.Height = _FrameData.Height;
img.DataType = Convert.ToInt32(MvsImgDataType.MVS_IMGDTP_U8);
img.Type = Convert.ToInt32(MvsImgType.MVS_IMGTP_UITL_Y);
if (!MvBarCode.MvBarCodeGlobalVar.LocalImageMode)
{
img.ImageData = _FrameData.Image;
}
else
{
img.ImagePointer = _FrameData.Raw;
}
// 检测算法
magic.Process(img, false, ref ci);
}
// 返回结果为空，继续算法运算
if (ci == null)
{
if (MvBarCodeGlobalVar.OpenLive)
{
BarCodeHandle(this, new BarCodeEventArgs(new BarCodeDescribe(_FrameData.ToBitmap(false), null, false, _DeviceIndex)));
}
// 重置检测状态,重新采样
Interlocked.CompareExchange(ref _bAlgorithmRunning, 0, 1);
continue;
}
// 重置所有检测标识
mci.Clear();
newCodes.Clear();
// 捕获条形码数据
foreach (var item in ci)
{
if (_barcodeRuleFilter.CheckAndCatchBarcode(item, ref newCodes, MvBarCodeGlobalVar.BarcodeRuleType.common))
{
mci.Add(item);
}
}
if (newCodes.Count > 0)
{
try
{
//开启截取面单才需要等待
if (COcrMatting != null)
{
//_DoneCutSheetHandle.WaitOne();
if (WaitHandle.WaitAny(doneCutSheetHandless) != 0)
{
break;
}
}
// 检测是否有多个条码数据
if (newCodes.Count > 1)
{
_CutSheetHanle.Set();
if (BarCodeHandle != null)
{
BarCodeHandle(this, new BarCodeEventArgs(new BarCodeDescribe(_FrameData.ToBitmap(false),
DetectExceptionType.MulBarCodeExceptionType, newCodes.ToArray(), mci, _DeviceIndex)));
}
}
// 判断重复条码(暂时去掉相机缓存)
else if (0 != string.Compare(_LastBarCode, newCodes[0]))
{
//相机是否需要自己的缓存
if (MvBarCode.MvBarCodeGlobalVar.CameraBarcodeCache)
{
_LastBarCode = newCodes[0];
}
Interlocked.Exchange(ref _bNewBarcode, 1);
//通知截取面单可以开始
_CutSheetHanle.Set();
if (BarCodeHandle != null)
{
BarCodeHandle(this, new BarCodeEventArgs(new BarCodeDescribe(_FrameData.ToBitmap(false), mci[0], true, _DeviceIndex)));
}
}
//有一个条码，但是是重复条码
else
{
_CutSheetHanle.Set();
if (MvBarCodeGlobalVar.OpenLive)
{
if (BarCodeHandle != null)
{
BarCodeHandle(this, new BarCodeEventArgs(new BarCodeDescribe(_FrameData.ToBitmap(false), mci[0], false, _DeviceIndex)));
}
}
}
}
catch (Exception e)
{
MvBarCodeGlobalVar.Log.Error(e);
}
}
//实时传图片
else
{
if (MvBarCodeGlobalVar.OpenLive)
{
BarCodeHandle(this, new BarCodeEventArgs(new BarCodeDescribe(_FrameData.ToBitmap(false), null, false, _DeviceIndex)));
}
}
// 重新采样
Interlocked.CompareExchange(ref _bAlgorithmRunning, 0, 1);
Thread.Sleep(1);
}
}
catch (Exception e1)
{
MvBarCodeGlobalVar.Log.Error(e1);
}
}