void ShowHalconImg(HObject hoImg, int picWidth, int picHeight)
{
if (null == hoImg)
{
ShowTips("显示Halcon图像失败！图像对象为空");
return;
}
_imgShowMode = ImgShowMode.halcon;
HOperatorSet.SetPart(hcWnd, 0, 0, picHeight - 1, picWidth - 1); // ch: 使图像显示适应窗口大小 || en: Make the image adapt the window size
HOperatorSet.DispObj(hoImg, hcWnd); // ch 显示 || en: display
if (hoImg == _currHo)
{
return;
}
if (_currHo != null)
{
_currHo.Dispose();
_currHo = null;
}
_currHo = hoImg;
}
/// <summary>
/// 开始/停止采集图像
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btGrab_Click(object sender, EventArgs e)
{
if (null == _cmr)
{
MessageBox.Show("开始采集失败:相机未设置");
return;
}
int err = 0;
if (_cmr.IsGrabbing)
{
if (_isAutoGrabRunning)
{
_StopAutoGrab();
}
err = _cmr.StopGrab();
if (0 == err)
{
ShowTips("相机已停止图像采集");
UpdateSrc2UI();
return;
}
else
{
ShowTips("未能停止相机采集,错误信息：" + _cmr.GetErrorInfo(err));
MessageBox.Show("未能停止相机采集,错误信息：" + _cmr.GetErrorInfo(err));
return;
}
}
else
{
JFCmrTrigMode tm = JFCmrTrigMode.disable;
_cmr.GetTrigMode(out tm);
if (chkCallBack.Checked) //使用回调函数的方式显示图片
{
if (tm == JFCmrTrigMode.disable)
{
MessageBox.Show("相机当前为禁用触发模式！不能使用回调\n请修改触发模式或取消回调");
return;
}
_cmr.RegistAcqFrameCallback(_HikFrameCallback);
}
else
{
_cmr.RemoveAcqFrameCallback(_HikFrameCallback);
}
err = _cmr.StartGrab();
if (0 != err)
{
ShowTips("开启相机采集失败,错误信息：" + _cmr.GetErrorInfo(err));
MessageBox.Show("开启相机采集失败,错误信息：" + _cmr.GetErrorInfo(err));
return;
}
if (0 == cbImgDispMode.SelectedIndex)
{
hcWnd.CloseWindow();
if (null != _currHo)
{
_currHo.Dispose();
_currHo = null;
}
_imgShowMode = ImgShowMode.sdk;
}
else if (1 == cbImgDispMode.SelectedIndex) //halcon显示
{
hcWnd.OpenWindow(picBox.Location.X, picBox.Location.Y, picBox.Width, picBox.Height, picBox.Handle, "visible", "");
_imgShowMode = ImgShowMode.halcon;
if (_currBmp != null)
{
_currBmp.Dispose();
_currBmp = null;
}
}
else if (2 == cbImgDispMode.SelectedIndex)//bitmap显示
{
hcWnd.CloseWindow();
if (null != _currHo)
{
_currHo.Dispose();
_currHo = null;
}
_imgShowMode = ImgShowMode.bitmap;
}
if (chkContinueGrab.Checked)
{
_StartAutoGrb();
btGrabOne.Enabled = false;
btSoftwareTrig.Enabled = false;
}
else //非连续采图模式
{
if (tm == JFCmrTrigMode.disable)
{
btGrabOne.Enabled = true;
btSoftwareTrig.Enabled = false;
}
else
{
btGrabOne.Enabled = false;
if (tm == JFCmrTrigMode.software)
{
btSoftwareTrig.Enabled = true;
}
else
{
btSoftwareTrig.Enabled = false;
}
}
}
ShowTips("相机开始图像采集...");
UpdateSrc2UI();
return;
}
}