C# + halcon 联合编程示例
实现功能
1.加载图像
2.画直线,画圆,画矩形, 画椭圆 ROI,可以调整大小和位置
3.实现找边,找圆功能
效果
开发环境
Visual Studio 2022
.NET Framework 4.8
halcondotnet.dll
查看帮助文档
项目结构
DLL引用
要注意是 HALCON-17.12\dotnet35\halcondotnet.dll
界面控件
用System.Windows.Forms.Panel 控件来显示 图片
其他主要是按钮
代码
using HalconDotNet;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static System.Net.Mime.MediaTypeNames;namespace CJH.Halcon.WinForms.App
{public partial class Form1 : Form{private HSmartWindowControl hwControl;private HWindow hw;private HImage ho_Image;private List<HDrawingObjectEx> drawObjs = new List<HDrawingObjectEx>();public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){//创建Halcon控件对象,并添加到指定的容器中hwControl = new HSmartWindowControl();//var hwControlWpf = new HSmartWindowControlWPF();hwControl.MouseWheel += HwControl_MouseWheel;//通过Halcon控件获取对应Halcon窗口对象hw = hwControl.HalconWindow;//设置控件的填充方式hwControl.Dock = DockStyle.Fill;//把控件添加到显示区hw_container.Controls.Add(hwControl);}/// <summary>/// 鼠标滚轮移动时发生事件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void HwControl_MouseWheel(object sender, MouseEventArgs e){hwControl.HSmartWindowControl_MouseWheel(sender, e);}/// <summary>/// 加载图像/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnLoadImage_Click(object sender, EventArgs e){var fileDialog = new OpenFileDialog();fileDialog.Title = "打开图像资源";fileDialog.Filter = "图像资源|*.png;*.jpg;*.bmp";if (fileDialog.ShowDialog() == DialogResult.OK){var filePath = fileDialog.FileName;//创建halcon 图像对象ho_Image = new HImage(filePath);//把图像对象显示到Halcon窗口中hw.DispObj(ho_Image);//设置打开图像自动适应窗口的大小hwControl.SetFullImagePart();}}/// <summary>/// 画直线/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnLine_Click(object sender, EventArgs e){//drawObjs.Clear();//定义绘制线的开始和结束坐标 起点XY- 终点XYvar lineTuple = new HTuple[] { 100, 300, 100, 100 };//创建线的对象var lineObj = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.LINE, lineTuple);//注册线拖拽事件lineObj.OnDrag(LineOnDragAction);lineObj.OnResize(LineonResizeAction);//保存线对象drawObjs.Add(new HDrawingObjectEx(){HObj = lineObj,HTuples = lineTuple});//把画出线放到Halcon窗口上面hw.AttachDrawingObjectToWindow(lineObj);}/// <summary>/// 拖拽(移动)/// </summary>/// <param name="drawid"></param>/// <param name="window"></param>/// <param name="type"></param>private void LineOnDragAction(HDrawingObject drawid, HWindow window, string type){UpdateDrawingObjectData(drawid);}/// <summary>/// 改变大小,长度/// </summary>/// <param name="drawid"></param>/// <param name="window"></param>/// <param name="type"></param>private void LineonResizeAction(HDrawingObject drawid, HWindow window, string type){UpdateDrawingObjectData(drawid);}/// <summary>/// 更新线拖拽或改变大小的方法/// </summary>/// <param name="drawid"></param>/// <exception cref="NotImplementedException"></exception>private void UpdateDrawingObjectData(HDrawingObject drawid){//创建需要对象的属性元组var attrTuple = new HTuple("row1", "column1", "row2", "column2");//根据提供元组获取对应的属性值组元组var valueTuple = drawid.GetDrawingObjectParams(attrTuple);Debug.WriteLine($"row1:{valueTuple[0].D},column1:{valueTuple[1].D},row2:{valueTuple[2].D},column2:{valueTuple[3].D}");//构建一个数组值组成的元组数组var attrValues = new HTuple[] { valueTuple[0], valueTuple[1], valueTuple[2], valueTuple[3] };//更新当前拖拽对像的属性数据drawObjs[0].HTuples = attrValues;}/// <summary>/// 直线抓边/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnLineBound_Click(object sender, EventArgs e){//获取刚刚绘制直线对象的数据var lineTuple = drawObjs[0].HTuples;var hv_LineParam = new HTuple(lineTuple);//清理绘制的直线对象clearObject();//创建计算测量句柄HOperatorSet.CreateMetrologyModel(out HTuple hv_MetrologyHandle);//句柄关联测试的图坐标位置//设置测量对象图像的大小//参数:// MeasureHandle:输入测量模型的句柄;// Width:输出图像宽;// Height:输出图像高;//HOperatorSet.SetMetrologyModelImageSize(hv_MetrologyHandle, hv_Width, hv_Height);//添加测量模型对象(此处是线)//将测量对象添加到测量模型中//算子参数:// MeasureHandle:输入测量模型的句柄;// Shape:输入要测量对象的类型;默认值:‘circle’,参考值:‘circle’圆,‘ellipse’椭圆,‘line’线,‘rectangle2’矩形,长方形;// ShapeParam:要添加的测量对象的参数。// MeasureLength1:输入垂直于边界的测量区域的一半长度(卡尺长度);默认值:20,参考值:10,20,30;最小增量:1.0;建议增量:10.0// MeasureLength2:输入与边界相切的测量区域的一半长度(卡尺宽度);默认值:5,参考值:3,5,10;最小增量:1.0;建议增量:10.0// MeasureSigma:输入用于平滑的高斯函数的sigma;默认值:1,参考值:0.4,0.6,0.8,1.0,1.5,2.0,3.0,4.0,5.0,7.0,10.0;最小增量:0.01;建议增量:0.1;限制:(0.4 <= MeasureSigma)&&(MeasureSigma <= 100)// MeasureThreshold:输入测量阈值/最小边缘幅度;默认值:30,参考值:5.0, 10.0, 20.0, 30.0, 40.0, 50.0, 60.0, 70.0, 90.0, 110.0;最小增量:0.5;建议增量:2;// GenParamName:输入参数名称;参考: ‘distance_threshold’, ‘end_phi’, ‘instances_outside_measure_regions’, ‘max_num_iterations’, ‘measure_distance’, ‘measure_interpolation’, ‘measure_select’, ‘measure_transition’, ‘min_score’, ‘num_instances’, ‘num_measures’, ‘point_order’, ‘rand_seed’, ‘start_phi’;// GenParamValue:输入参数值;参考:1, 2, 3, 4, 5, 10, 20, ‘all’, ‘true’, ‘false’, ‘first’, ‘last’, ‘positive’, ‘negative’, ‘uniform’, ‘nearest_neighbor’, ‘bilinear’, ‘bicubic’;// Index:输出创建测量对象的索引值;HOperatorSet.AddMetrologyObjectGeneric(hv_MetrologyHandle, "line", hv_LineParam,50, 5, 1, 30, new HTuple(), new HTuple(), out HTuple hv_Index);//为测量模型的测量对象设置参数 set_metrology_object_param//根据需求设置测量的参数//设置找线的方式(positive,negative,all)从黑到白,从白到黑//算子参数:// MeasureHandle:输入测量模型的句柄;// Index:指定测量对象,为all时所有计量对象的参数都被设置(‘all’);// GenParamName:输入参数名称;默认:‘num_instances’,参考:// 'measure_length1':区域,垂直于边界的测量区域的一半长度// 'measure_length2':区域,相切于边界的测量区域的一半长度// 'measure_distance':区域,两个测量区域中心之间的距离// 'num_measures':区域,测量区域数// 'measure_sigma':测量,用于平滑的高斯函数的 Sigma// 'measure_threshold':测量,最小边缘幅度阈值// 'measure_select':测量,边缘端点的选择('last'、'first')// 'measure_transition':测量,方向('all'、'negative'、 'positive')// 'measure_interpolation':测量,插值类型// 'min_score':拟合,最小分数// 'num_instances':拟合,成功拟合实例的最大数量// 'distance_threshold':拟合,距离阈值HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "measure_transition","all");//预期测量的区域个数HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "num_instances",12);//拟合数HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "num_instances",6);//高斯平滑系数,值越大,唯一的边缘越清晰HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "measure_sigma",5);//区域,垂直与边界的测量区域的一半长度HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "measure_length1",80);//区域,相切于边缘的测量区域的一半长度HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "measure_length2",10);//最小边缘幅度越大,要求找到的边缘越锐利(灰度变换明显),反而不容易找到边缘HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "measure_threshold",20);//测量双立方插入值,区别与bilinear双线性HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "measure_interpolation","bicubic");//取值 all,first,best,lastHOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "measure_select","all");//设置最小分数0.7HOperatorSet.SetMetrologyObjectParam(hv_MetrologyHandle, "all", "min_score",0.7);//开始找边缘HOperatorSet.ApplyMetrologyModel(ho_Image, hv_MetrologyHandle);//获取测量区域找到的边缘坐标集合HOperatorSet.GetMetrologyObjectMeasures(out HObject ho_Contours, hv_MetrologyHandle,"all", "all", out HTuple hv_Row, out HTuple hv_Column);//设置卡尺颜色HOperatorSet.SetColor(hw, "cyan");//显示卡尺HOperatorSet.DispObj(ho_Contours, hw);//把找到的点通过十字叉来显示//HOperatorSet.GenCrossContourXld(out HObject ho_Cross, hv_Row, hv_Column, 6, 0.785398);//HOperatorSet.DispObj(ho_Cross, hw);//得到线的起点坐标并显示出来HOperatorSet.GetMetrologyObjectResult(hv_MetrologyHandle, 0, "all", "result_type","all_param", out HTuple hv_Parameter);//获取计量模型的计量结果轮廓HOperatorSet.GetMetrologyObjectResultContour(out HObject ho_Contour, hv_MetrologyHandle,0, "all", 1.5);//设置轮廓颜色HOperatorSet.SetColor(hw, "green");HOperatorSet.SetLineWidth(hw, 3);//显示轮廓HOperatorSet.DispObj(ho_Contour, hw);//清除句柄HOperatorSet.ClearMetrologyModel(hv_MetrologyHandle);}/// <summary>/// 清理绘制的直线对象/// </summary>private void clearObject(){foreach (var item in drawObjs){var hDrawingObject = item.HObj;//把这个对象从Halcon窗口中移除hw.DetachDrawingObjectFromWindow(hDrawingObject);hDrawingObject.Dispose();}drawObjs.Clear();}/// <summary>/// 找 圆/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnFindCircle_Click(object sender, EventArgs e){//获取圆形对象的位置与半径var circle = drawObjs[0].HTuples;//创建测量模型HOperatorSet.CreateMetrologyModel(out HTuple hv_MetrologyHandle);//添加找圆工具,给定参数,显示过程卡尺//50 卡尺长度//5 卡尺宽度HOperatorSet.AddMetrologyObjectCircleMeasure(hv_MetrologyHandle, circle[0].D, circle[1].D,circle[2].D, 50, 5, 1, 30, new HTuple(), new HTuple(), out HTuple hv_Index);HOperatorSet.GetMetrologyObjectModelContour(out HObject ho_Contour, hv_MetrologyHandle,0, 1.5);HOperatorSet.GetMetrologyObjectMeasures(out HObject ho_Contours, hv_MetrologyHandle,"all", "all", out HTuple hv_Row1, out HTuple hv_Column1);HOperatorSet.SetColor(hw, "cyan");HOperatorSet.DispObj(ho_Contour, hw);HOperatorSet.DispObj(ho_Contours, hw);//执行找圆并显示结果HOperatorSet.ApplyMetrologyModel(ho_Image, hv_MetrologyHandle);HOperatorSet.GetMetrologyObjectResult(hv_MetrologyHandle, 0, "all", "result_type","all_param", out HTuple hv_Parameter);HOperatorSet.GetMetrologyObjectResultContour(out HObject ho_Contour1, hv_MetrologyHandle,0, "all", 1.5);HOperatorSet.SetLineWidth(hw, 2);HOperatorSet.SetColor(hw, "green");HOperatorSet.DispObj(ho_Contour1, hw);HOperatorSet.ClearMetrologyModel(hv_MetrologyHandle);}/// <summary>/// 拖拽(移动)/// </summary>/// <param name="drawid"></param>/// <param name="window"></param>/// <param name="type"></param>private void circOnDragAction(HDrawingObject drawid, HWindow window, string type){UpdateDrawingObjectDataCirc(drawid);}/// <summary>/// 改变大小,长度/// </summary>/// <param name="drawid"></param>/// <param name="window"></param>/// <param name="type"></param>private void circResizeAction(HDrawingObject drawid, HWindow window, string type){UpdateDrawingObjectDataCirc(drawid);}/// <summary>/// (圆)更新线拖拽或改变大小的方法/// </summary>/// <param name="drawid"></param>/// <exception cref="NotImplementedException"></exception>private void UpdateDrawingObjectDataCirc(HDrawingObject drawid){//创建需要对象的属性元组var attrTuple = new HTuple("row", "column", "radius");//根据提供元组获取对应的属性值组元组var valueTuple = drawid.GetDrawingObjectParams(attrTuple);Debug.WriteLine($"row:{valueTuple[0].D},column:{valueTuple[1].D},radius:{valueTuple[2].D}");//构建一个数组值组成的元组数组var attrValues = new HTuple[] { valueTuple[0], valueTuple[1], valueTuple[2] };//更新当前拖拽对像的属性数据drawObjs[0].HTuples = attrValues;}/// <summary>/// 画圆/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnCircle_Click(object sender, EventArgs e){var circleHtuple = new HTuple[] { 100, 100, 100 };var circleObj = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.CIRCLE, circleHtuple);//注册线拖拽事件circleObj.OnDrag(circOnDragAction);circleObj.OnResize(circResizeAction);//保存线对象drawObjs.Add(new HDrawingObjectEx(){HObj = circleObj,HTuples = circleHtuple});//把画出圆放到Halcon窗口上面hw.AttachDrawingObjectToWindow(circleObj);}/// <summary>/// 画矩形/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnRectangle1_Click(object sender, EventArgs e){var rectangle1Htuple = new HTuple[] { 100, 100, 200, 200 };//矩形var rectangle1Obj = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.RECTANGLE1, rectangle1Htuple);//注册线拖拽事件rectangle1Obj.OnDrag(rectangle1OnDragAction);rectangle1Obj.OnResize(rectangle1ResizeAction);//保存线对象drawObjs.Add(new HDrawingObjectEx(){HObj = rectangle1Obj,HTuples = rectangle1Htuple});//把画出圆放到Halcon窗口上面hw.AttachDrawingObjectToWindow(rectangle1Obj);}/// <summary>/// (矩形)拖拽(移动)/// </summary>/// <param name="drawid"></param>/// <param name="window"></param>/// <param name="type"></param>private void rectangle1OnDragAction(HDrawingObject drawid, HWindow window, string type){UpdateDrawingObjectDataRectangle1(drawid);}/// <summary>/// (矩形)改变大小,长度/// </summary>/// <param name="drawid"></param>/// <param name="window"></param>/// <param name="type"></param>private void rectangle1ResizeAction(HDrawingObject drawid, HWindow window, string type){UpdateDrawingObjectDataRectangle1(drawid);}/// <summary>/// (矩形)更新线拖拽或改变大小的方法/// </summary>/// <param name="drawid"></param>/// <exception cref="NotImplementedException"></exception>private void UpdateDrawingObjectDataRectangle1(HDrawingObject drawid){//创建需要对象的属性元组var attrTuple = new HTuple("row1", "column1", "row2", "column2");//根据提供元组获取对应的属性值组元组var valueTuple = drawid.GetDrawingObjectParams(attrTuple);Debug.WriteLine($"row1:{valueTuple[0].D},column1:{valueTuple[1].D},row2:{valueTuple[2].D},column2:{valueTuple[3].D}");//构建一个数组值组成的元组数组var attrValues = new HTuple[] { valueTuple[0], valueTuple[1], valueTuple[2], valueTuple[3] };//更新当前拖拽对像的属性数据drawObjs[0].HTuples = attrValues;}/// <summary>/// 画椭圆/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnEllipse_Click(object sender, EventArgs e){var ellipseHtuple = new HTuple[] { 100, 100, 50, 50, 50 };//椭圆var ellipseObj = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.ELLIPSE, ellipseHtuple);//注册线拖拽事件ellipseObj.OnDrag(ellipseOnDragAction);ellipseObj.OnResize(ellipseResizeAction);//保存线对象drawObjs.Add(new HDrawingObjectEx(){HObj = ellipseObj,HTuples = ellipseHtuple});//把画出圆放到Halcon窗口上面hw.AttachDrawingObjectToWindow(ellipseObj);}/// <summary>/// (椭圆)拖拽(移动)/// </summary>/// <param name="drawid"></param>/// <param name="window"></param>/// <param name="type"></param>private void ellipseOnDragAction(HDrawingObject drawid, HWindow window, string type){UpdateDrawingObjectDataEllipse(drawid);}/// <summary>/// (椭圆)改变大小,长度/// </summary>/// <param name="drawid"></param>/// <param name="window"></param>/// <param name="type"></param>private void ellipseResizeAction(HDrawingObject drawid, HWindow window, string type){UpdateDrawingObjectDataEllipse(drawid);}/// <summary>/// (椭圆)更新线拖拽或改变大小的方法/// </summary>/// <param name="drawid"></param>/// <exception cref="NotImplementedException"></exception>private void UpdateDrawingObjectDataEllipse(HDrawingObject drawid){//创建需要对象的属性元组//phi 以弧度表示的前半轴的方向//radius1 前半轴//radius2 后半轴var attrTuple = new HTuple("row", "column", "phi", "radius1", "radius2");//根据提供元组获取对应的属性值组元组var valueTuple = drawid.GetDrawingObjectParams(attrTuple);Debug.WriteLine($"row:{valueTuple[0].D},column:{valueTuple[1].D},phi:{valueTuple[2].D},radius1:{valueTuple[3].D},radius2:{valueTuple[4].D}");//构建一个数组值组成的元组数组var attrValues = new HTuple[] { valueTuple[0], valueTuple[1], valueTuple[2], valueTuple[3], valueTuple[4] };//更新当前拖拽对像的属性数据drawObjs[0].HTuples = attrValues;}}/// <summary>/// HDrawingObject 扩展类 ,主要包含拖拽对象和对象属性数据/// </summary>public class HDrawingObjectEx{public HDrawingObject HObj { get; set; }public HTuple[] HTuples { get; set; }}
}
项目源码下载地址
https://download.csdn.net/download/cjh16606260986/89497706
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