private void ModifyRegion()
{
bool isChs = LanguageVersion == ProCommon.Communal.Language.Chinese;
string txt = isChs ? "修改区域异常!" : "Error occured when modify region!";
string caption = isChs ? "警告信息" : "Warning Message";
HalconDotNet.HTuple mr, mc, mbtntype;
HalconDotNet.HObject tmpModify = null;
HalconDotNet.HObject tmpKeep = null, tmpSelect = null;
HalconDotNet.HOperatorSet.GenEmptyObj(out tmpKeep);
HalconDotNet.HOperatorSet.GenEmptyObj(out tmpSelect);
int cnt = 0;
this.hwndcDisplay.Focus();
UpdateRegionForDisplay();
while (_isModifying)
{
try
{
HalconDotNet.HOperatorSet.GetMposition(this.hwndcDisplay.HalconWindow, out mr, out mc, out mbtntype);
if (_hoBrushRegion != null &&
_hoBrushRegion.IsInitialized())
{
_hoBrushRegion.Dispose();
}
HalconDotNet.HOperatorSet.GenRectangle1(out _hoBrushRegion, mr - _zoomFactorForBrush, mc - _zoomFactorForBrush, mr + _zoomFactorForBrush, mc + _zoomFactorForBrush);
UpdateRegionForDisplay();
if (mbtntype.TupleEqual(new HalconDotNet.HTuple(1))) //按下鼠标左键
{
HalconDotNet.HOperatorSet.Difference(_hoSelectedRegion, _hoBrushRegion, out tmpModify);
_hoSelectedRegion.Dispose();
_hoSelectedRegion = tmpModify;
//若初始区域为数组型
cnt = _hoModifiedRegion.CountObj();
for (int i = 0; i < cnt; i++)
{
tmpSelect.Dispose();
//未选择的区域,不修改,需要保留
if (i != this.lstbRegion.SelectedIndex)
{
HalconDotNet.HOperatorSet.SelectObj(_hoModifiedRegion, out tmpSelect, i + 1);
}
//选择的区域,更新为上述修改后的区域
else
{
HalconDotNet.HOperatorSet.CopyObj(_hoSelectedRegion, out tmpSelect, 1, 1);
}
HalconDotNet.HOperatorSet.ConcatObj(tmpKeep, tmpSelect, out tmpKeep);
}
tmpSelect.Dispose();
_hoModifiedRegion.Dispose();
_hoModifiedRegion = tmpKeep;
HalconDotNet.HOperatorSet.WaitSeconds(0.001);
}
else if (mbtntype.TupleEqual(new HalconDotNet.HTuple(4))) //按下鼠标右键
{
_isModifying = false;
if (_hoBrushRegion != null &&
_hoBrushRegion.IsInitialized())
{
_hoBrushRegion.Dispose();
}
//UpdateRegionForDisplay();
_isModified = true;
}
}
catch (HalconDotNet.HalconException hex)
{
//_isModifying = false;
//ProCommon.DerivedForm.FrmMsgBox.Show(txt + "\r\n" + hex.Message, caption,
// ProCommon.DerivedForm.MyButtons.OK,
// ProCommon.DerivedForm.MyIcon.Error, isChs);
}
//System.Threading.Thread.Sleep(1);
Application.DoEvents();
}
}