/// <summary>
/// 停止采集
/// </summary>
public void StopGrabbing()
{
if (camera.StreamGrabber.IsGrabbing)
{
GrabModel = GrabModelEnum.StopGrabbing;
camera.StreamGrabber.Stop();
}
}
// 相机取像回调函数.
private void OnImageGrabbed(Object sender, ImageGrabbedEventArgs e)
{
try
{
stopWatch.Restart();
// Acquire the image from the camera. Only show the latest image. The camera may acquire images faster than the images can be displayed.
// Get the grab result.
IGrabResult grabResult = e.GrabResult;
// Check if the image can be displayed.
if (grabResult.GrabSucceeded)
{
ImageType imageType = ImageType.ImageGrey;
//stopWatch.Restart();
//判断是否是黑白图片格式
if (grabResult.PixelTypeValue == PixelType.Mono8)
{
this.Image = BuffersToImageGray(grabResult);
}
else if (grabResult.PixelTypeValue == PixelType.BayerBG8 || grabResult.PixelTypeValue == PixelType.BayerGB8 ||
grabResult.PixelTypeValue == PixelType.BayerRG8 || grabResult.PixelTypeValue == PixelType.BayerGR8)
{
imageType = ImageType.ImageColor;
this.Image = BuffersToImage24PlanarColor(grabResult);
}
if (GrabModel == GrabModelEnum.GrabOne)
{
GrabModel = GrabModelEnum.StopGrabbing;
}
if (processImageEvent != null)
{
// 抛出图像处理事件
processImageEvent(this.Image, imageType);
}
}
}
catch (Exception ex)
{
this.Image = null;
}
finally
{
// Dispose the grab result if needed for returning it to the grab loop.
e.DisposeGrabResultIfClone();
grabTime = stopWatch.ElapsedMilliseconds;
if (eventComputeGrabTime != null)
{
eventComputeGrabTime(grabTime);
}
}
}
/// <summary>
/// 开始采集
/// </summary>
public void StartGrabbing()
{
if (camera.StreamGrabber.IsGrabbing)
{
//throw new Exception("相机当前正处于采集状态！");
return;
}
else
{
GrabModel = GrabModelEnum.StartGrabbing;
camera.Parameters[PLCamera.AcquisitionMode].SetValue(PLCamera.AcquisitionMode.Continuous);
camera.StreamGrabber.Start(GrabStrategy.LatestImages, GrabLoop.ProvidedByStreamGrabber);
//stopWatch.Reset();
//stopWatch.Start();// **** 重启采集时间计时器 ****
}
}
/// <summary>
/// 单张采集
/// </summary>
public bool GrabOne()
{
if (camera.StreamGrabber.IsGrabbing)
{
return(true);
//throw new Exception("相机当前正处于采集状态！");
}
else
{
GrabModel = GrabModelEnum.GrabOne;
camera.Parameters[PLCamera.AcquisitionMode].SetValue(PLCamera.AcquisitionMode.SingleFrame);
camera.StreamGrabber.Start(1, GrabStrategy.LatestImages, GrabLoop.ProvidedByStreamGrabber);
//stopWatch.Reset();
//stopWatch.Start();// **** 重启采集时间计时器 ****
return(true);
}
}
