Example #1
0
        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();
            }
        }