VisionEdit/CommonMethods/CommonMethods.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using HalconDotNet;

namespace CommonMethods
{
    public class CommonMethods
    {
        /// <summary>
        /// 延时操作
        /// </summary>
        /// <param name="mm"></param>
        public static void Delay(int mm)
        {
            DateTime delay = DateTime.Now.AddMilliseconds((double)mm);
            while (delay > DateTime.Now)
            {
                Application.DoEvents();
            }
        }
        /// <summary>
        /// Creates an arrow shaped XLD contour. 
        /// </summary>
        /// <param name="ho_Arrow">生成的箭头</param>
        /// <param name="hv_Row1">箭头起点Row</param>
        /// <param name="hv_Column1">箭头起点Column</param>
        /// <param name="hv_Row2">箭头终点Row</param>
        /// <param name="hv_Column2">箭头终点Column</param>
        /// <param name="hv_HeadLength">头长度</param>
        /// <param name="hv_HeadWidth">头宽度</param>
        public static void gen_arrow_contour_xld(out HObject ho_Arrow, HTuple hv_Row1, HTuple hv_Column1,
      HTuple hv_Row2, HTuple hv_Column2, HTuple hv_HeadLength, HTuple hv_HeadWidth)
        {



            // Stack for temporary objects 
            HObject[] OTemp = new HObject[20];

            // Local iconic variables 

            HObject ho_TempArrow = null;

            // Local control variables 

            HTuple hv_Length = new HTuple(), hv_ZeroLengthIndices = new HTuple();
            HTuple hv_DR = new HTuple(), hv_DC = new HTuple(), hv_HalfHeadWidth = new HTuple();
            HTuple hv_RowP1 = new HTuple(), hv_ColP1 = new HTuple();
            HTuple hv_RowP2 = new HTuple(), hv_ColP2 = new HTuple();
            HTuple hv_Index = new HTuple();
            // Initialize local and output iconic variables 
            HOperatorSet.GenEmptyObj(out ho_Arrow);
            HOperatorSet.GenEmptyObj(out ho_TempArrow);
            //This procedure generates arrow shaped XLD contours,
            //pointing from (Row1, Column1) to (Row2, Column2).
            //If starting and end point are identical, a contour consisting
            //of a single point is returned.
            //
            //input parameteres:
            //Row1, Column1: Coordinates of the arrows' starting points
            //Row2, Column2: Coordinates of the arrows' end points
            //HeadLength, HeadWidth: Size of the arrow heads in pixels
            //
            //output parameter:
            //Arrow: The resulting XLD contour
            //
            //The input tuples Row1, Column1, Row2, and Column2 have to be of
            //the same length.
            //HeadLength and HeadWidth either have to be of the same length as
            //Row1, Column1, Row2, and Column2 or have to be a single element.
            //If one of the above restrictions is violated, an error will occur.
            //
            //
            //Init
            ho_Arrow.Dispose();
            HOperatorSet.GenEmptyObj(out ho_Arrow);
            //
            //Calculate the arrow length
            hv_Length.Dispose();
            HOperatorSet.DistancePp(hv_Row1, hv_Column1, hv_Row2, hv_Column2, out hv_Length);
            //
            //Mark arrows with identical start and end point
            //(set Length to -1 to avoid division-by-zero exception)
            hv_ZeroLengthIndices.Dispose();
            using (HDevDisposeHelper dh = new HDevDisposeHelper())
            {
                hv_ZeroLengthIndices = hv_Length.TupleFind(
                    0);
            }
            if ((int)(new HTuple(hv_ZeroLengthIndices.TupleNotEqual(-1))) != 0)
            {
                if (hv_Length == null)
                    hv_Length = new HTuple();
                hv_Length[hv_ZeroLengthIndices] = -1;
            }
            //
            //Calculate auxiliary variables.
            hv_DR.Dispose();
            using (HDevDisposeHelper dh = new HDevDisposeHelper())
            {
                hv_DR = (1.0 * (hv_Row2 - hv_Row1)) / hv_Length;
            }
            hv_DC.Dispose();
            using (HDevDisposeHelper dh = new HDevDisposeHelper())
            {
                hv_DC = (1.0 * (hv_Column2 - hv_Column1)) / hv_Length;
            }
            hv_HalfHeadWidth.Dispose();
            using (HDevDisposeHelper dh = new HDevDisposeHelper())
            {
                hv_HalfHeadWidth = hv_HeadWidth / 2.0;
            }
            //
            //Calculate end points of the arrow head.
            hv_RowP1.Dispose();
            using (HDevDisposeHelper dh = new HDevDisposeHelper())
            {
                hv_RowP1 = (hv_Row1 + ((hv_Length - hv_HeadLength) * hv_DR)) + (hv_HalfHeadWidth * hv_DC);
            }
            hv_ColP1.Dispose();
            using (HDevDisposeHelper dh = new HDevDisposeHelper())
            {
                hv_ColP1 = (hv_Column1 + ((hv_Length - hv_HeadLength) * hv_DC)) - (hv_HalfHeadWidth * hv_DR);
            }
            hv_RowP2.Dispose();
            using (HDevDisposeHelper dh = new HDevDisposeHelper())
            {
                hv_RowP2 = (hv_Row1 + ((hv_Length - hv_HeadLength) * hv_DR)) - (hv_HalfHeadWidth * hv_DC);
            }
            hv_ColP2.Dispose();
            using (HDevDisposeHelper dh = new HDevDisposeHelper())
            {
                hv_ColP2 = (hv_Column1 + ((hv_Length - hv_HeadLength) * hv_DC)) + (hv_HalfHeadWidth * hv_DR);
            }
            //
            //Finally create output XLD contour for each input point pair
            for (hv_Index = 0; (int)hv_Index <= (int)((new HTuple(hv_Length.TupleLength())) - 1); hv_Index = (int)hv_Index + 1)
            {
                if ((int)(new HTuple(((hv_Length.TupleSelect(hv_Index))).TupleEqual(-1))) != 0)
                {
                    //Create_ single points for arrows with identical start and end point
                    using (HDevDisposeHelper dh = new HDevDisposeHelper())
                    {
                        ho_TempArrow.Dispose();
                        HOperatorSet.GenContourPolygonXld(out ho_TempArrow, hv_Row1.TupleSelect(hv_Index),
                            hv_Column1.TupleSelect(hv_Index));
                    }
                }
                else
                {
                    //Create arrow contour
                    using (HDevDisposeHelper dh = new HDevDisposeHelper())
                    {
                        ho_TempArrow.Dispose();
                        HOperatorSet.GenContourPolygonXld(out ho_TempArrow, ((((((((((hv_Row1.TupleSelect(
                            hv_Index))).TupleConcat(hv_Row2.TupleSelect(hv_Index)))).TupleConcat(
                            hv_RowP1.TupleSelect(hv_Index)))).TupleConcat(hv_Row2.TupleSelect(hv_Index)))).TupleConcat(
                            hv_RowP2.TupleSelect(hv_Index)))).TupleConcat(hv_Row2.TupleSelect(hv_Index)),
                            ((((((((((hv_Column1.TupleSelect(hv_Index))).TupleConcat(hv_Column2.TupleSelect(
                            hv_Index)))).TupleConcat(hv_ColP1.TupleSelect(hv_Index)))).TupleConcat(
                            hv_Column2.TupleSelect(hv_Index)))).TupleConcat(hv_ColP2.TupleSelect(
                            hv_Index)))).TupleConcat(hv_Column2.TupleSelect(hv_Index)));
                    }
                }
                {
                    HObject ExpTmpOutVar_0;
                    HOperatorSet.ConcatObj(ho_Arrow, ho_TempArrow, out ExpTmpOutVar_0);
                    ho_Arrow.Dispose();
                    ho_Arrow = ExpTmpOutVar_0;
                }
            }
            ho_TempArrow.Dispose();

            hv_Length.Dispose();
            hv_ZeroLengthIndices.Dispose();
            hv_DR.Dispose();
            hv_DC.Dispose();
            hv_HalfHeadWidth.Dispose();
            hv_RowP1.Dispose();
            hv_ColP1.Dispose();
            hv_RowP2.Dispose();
            hv_ColP2.Dispose();
            hv_Index.Dispose();

            return;
        }
    }
}