public RunStatus Execute(int timeout, out string visionResult)
{
bool isTimeout = false;
var runStatus = new RunStatus();
visionResult = "";
try
{
//参数校验
if (VisionFrame == null)
{
throw new NullReferenceException("VisionFrame cannot be null");
}
if (!IsInit)
{
throw new Exception($"scene is uninitialized({nameof(IsVisionFrameInit)}:{IsVisionFrameInit} {nameof(IsCameraInit)}:{IsCameraInit})");
}
ItemCollection outputs;
//开始计时
totalProcessStopwatch.Restart();
//如果使能相机,则调用相机采集
if (VisionFrame.IsEnableCamera && IsCameraInit)
{
lock (threadLock)
{
isVisionProcessed = false;
}
//注册相机采集完成事件
Camera.NewImageEvent -= Camera_NewImageEvent;
Camera.NewImageEvent += Camera_NewImageEvent;
//配置相机参数
CameraFactory.ConfigurateCamera(CameraSerial, cameraConfigParam);
//触发拍照
Camera.TriggerSoftware();
//阻塞等待视觉处理完成
grapTimeoutStopwatch.Restart();
while (true)
{
lock (threadLock)
{
if (isVisionProcessed)
{
grapTimeoutStopwatch.Stop();
break;
}
}
if ((timeout > 0) && (grapTimeoutStopwatch.Elapsed.TotalMilliseconds > timeout))
{
isTimeout = true;
grapTimeoutStopwatch.Stop();
throw new TimeoutException("grab image timeout");
}
System.Threading.Thread.Sleep(2);
}
//执行视觉框架
VisionFrame.ExecuteByImageInfo(imageInfo, out outputs);
//结果拼接
visionResult = ConvertItemCollectionToString(outputs, MainSeparatorChar, SubSeparatorChar);
}
else
{
//执行视觉框架
VisionFrame.Execute(timeout, out outputs);
//结果拼接
visionResult = ConvertItemCollectionToString(outputs, MainSeparatorChar, SubSeparatorChar);
}
}
catch (Exception ex)
{
return(new RunStatus(0, EResult.Error, ex.Message));
}
finally
{
//停止计时
totalProcessStopwatch.Stop();
VisionFrame.RunStatus.TotalTime = totalProcessStopwatch.Elapsed.TotalMilliseconds;
if (!isTimeout)
{
//释放图像资源,否则可能会导致资源泄露
imageInfo.DisposeImageIntPtr?.Invoke(imageInfo.ImagePtr);
}
}
return(VisionFrame.RunStatus);
}
