using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using HalconDotNet;
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namespace HalconTools
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{
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public delegate void ScrewDelegate(ScrewResult result);
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public class ScrewAssistant
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{
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public event ScrewDelegate ScrewDone;
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/// <summary>HALCON image used for .</summary>
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public HImage mImage;
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public int mWidth;
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public int mHeight;
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public HWndCtrl viewController;
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public ROIController roiController;
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public ScrewParam mScrewPara = new ScrewParam();
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public ScrewResult mScrewResult = new ScrewResult();
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//中间参数
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public HXLDCont XLDThresholdSubPix = new HXLDCont();
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public HXLDCont XLDSelected = new HXLDCont();
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public HXLDCont XLDRoundness = new HXLDCont();
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public double row, col, radius;
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private HXLDCont tmpXLD = new HXLDCont();
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private HXLDCont tmpXLD2 = new HXLDCont();
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private HXLDCont tmpXLD3 = new HXLDCont();
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public ScrewAssistant()
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{
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}
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public ScrewAssistant(HWindowControl viewPort)
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{
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viewController = new HWndCtrl(viewPort);
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roiController = new ROIController();
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}
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public bool SetImage(string filename)
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{
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string tmp;
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try
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{
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mImage = new HImage(filename);
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mImage.GetImagePointer1(out tmp, out mWidth, out mHeight);
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}
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catch (HOperatorException e)
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{
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mImage = null;
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return false;
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}
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return true;
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}
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public bool SetImage(HImage image)
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{
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string tmp;
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try
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{
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mImage = image;
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mImage.GetImagePointer1(out tmp, out mWidth, out mHeight);
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}
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catch (HOperatorException e)
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{
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mImage = null;
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return false;
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}
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return true;
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}
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/// <summary>
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/// Writes the new image to graphic window
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/// </summary>
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public void UpdateImage()
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{
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viewController.resetAll();
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viewController.useROIController(roiController);
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viewController.setViewState(HWndCtrl.MODE_VIEW_NONE);
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viewController.addIconicVar(mImage);
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viewController.repaint();
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}
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public void UpdateObj(HObject obj)
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{
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viewController.resetAll();
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viewController.repaint();
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viewController.useROIController(roiController);
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viewController.setViewState(HWndCtrl.MODE_VIEW_NONE);
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viewController.changeGraphicSettings(GraphicsContext.GC_COLOR, "blue");
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viewController.changeGraphicSettings(GraphicsContext.GC_LINEWIDTH, 2);
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viewController.addIconicVar(obj);
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viewController.repaint();
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}
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public void UpdateObj(HObject obj, string color)
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{
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viewController.resetAll();
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viewController.repaint();
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viewController.useROIController(roiController);
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viewController.setViewState(HWndCtrl.MODE_VIEW_NONE);
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viewController.changeGraphicSettings(GraphicsContext.GC_COLOR, color);
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viewController.changeGraphicSettings(GraphicsContext.GC_LINEWIDTH, 2);
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viewController.addIconicVar(obj);
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viewController.repaint();
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}
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public void SetPara(ScrewParam para)
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{
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mScrewPara.ThresholdSubPix = para.ThresholdSubPix;
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mScrewPara.RoundnessMin = para.RoundnessMin;
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mScrewPara.RoundnessMax = para.RoundnessMax;
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mScrewPara.RadiusMin = para.RadiusMin;
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mScrewPara.RadiusMax = para.RadiusMax;
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}
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public HXLDCont ThresholdSubPix(HImage image)
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{
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tmpXLD = image.ThresholdSubPix(mScrewPara.ThresholdSubPix);
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return tmpXLD;
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}
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public HXLDCont RoundnessXLD(HXLDCont xld)
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{
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tmpXLD = xld.SelectShapeXld("circularity", "and", mScrewPara.RoundnessMin, mScrewPara.RoundnessMax);
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return tmpXLD;
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}
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public HXLDCont SelectXLD(HXLDCont xld)
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{
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tmpXLD2 = xld.SelectShapeXld("width", "and", mScrewPara.RadiusMin * 2, mScrewPara.RadiusMax * 2);
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tmpXLD3 = tmpXLD2.SelectShapeXld("height", "and", mScrewPara.RadiusMin * 2, mScrewPara.RadiusMax * 2);
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return tmpXLD3;
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}
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public HXLDCont FitCircle(HXLDCont xld)
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{
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double phistart,phiend;
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string tmps;
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xld.FitCircleContourXld("atukey", -1, 0, 0, 3, 2, out row, out col, out radius, out phistart, out phiend, out tmps);
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tmpXLD = new HXLDCont();
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tmpXLD.GenCircleContourXld(row, col, radius, 0, 6.28518, "positive", 1);
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return tmpXLD;
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}
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public void Run()
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{
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try
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{
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mScrewResult = new ScrewResult();
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XLDThresholdSubPix = ThresholdSubPix(mImage);
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XLDRoundness = RoundnessXLD(XLDThresholdSubPix);
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XLDSelected = SelectXLD(XLDRoundness);
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mScrewResult.CircleCont = FitCircle(XLDSelected);
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mScrewResult.row = row;
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mScrewResult.col = col;
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mScrewResult.radius = radius;
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if (ScrewDone != null)
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{
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ScrewDone(mScrewResult);
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}
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}
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catch (Exception ex)
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{
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mScrewResult = null;
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if (ScrewDone != null) ScrewDone(mScrewResult);
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}
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}
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}
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}
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