ImageProcessing/ImageShowingRegionAll.cs at master · Qunstores/ImageProcessing · GitHub

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Imaging;

namespace AutoPickingSys
{
    class ImageShowingRegionAll
    {
        public Bitmap RegionShowingAll(Bitmap b, Color showColor, Dictionary<int, Characteristic> Characteristics,
    Dictionary<int, Dictionary<int, Pixel>> DEdgeSortPoints, Dictionary<int, Pixel> Pixels)
        {
            Bitmap dstImage = (Bitmap)b.Clone();
            int width = b.Width;
            int height = b.Height;


            Bitmap showingImage = new Bitmap(width, height);// (Bitmap)b.Clone();//
            showingImage = (Bitmap)b.Clone();

            //int buffer;

            Dictionary<int, Characteristic> _characteristics = new Dictionary<int, Characteristic>();
            _characteristics = Characteristics;

            try
            {
                BitmapData srcData = b.LockBits(new Rectangle(0, 0, width, height),
                     ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
                BitmapData shgData = showingImage.LockBits(new Rectangle(0, 0, width, height),
                        ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);


                // 图像实际处理区域


                unsafe
                {
                    byte* src = (byte*)srcData.Scan0;
                    byte* shg = (byte*)shgData.Scan0;
                    byte* nsrc; byte* nshg;
                    int stride = srcData.Stride;
                    int offset = stride - width * 4;
                    byte* north; byte* south;
                    byte* west; byte* east;
                    nsrc = src;//保存左上角当前指针
                    nshg = shg;

                    for (int i = 0; i < width; i++)//
                    {
                        //纵向定位当前点指针


                        for (int j = 0; j < height; j++)//从上往下搜索
                        {

                            //dnum = 0;
                            src = nsrc + i * 4 + j * stride;
                            shg = nshg + i * 4 + j * stride;

                            shg[0] = src[0];
                            shg[1] = src[1];
                            shg[2] = src[2];
                        }
                    }


                    for (int k = 1; k <= _characteristics.Count(); k++)
                    {
                        Dictionary<int, Pixel> edgeSortPoints = new Dictionary<int, Pixel>();
                        int edgeX = 0; int edgeY = 0;
                        edgeSortPoints = DEdgeSortPoints[k];
                        edgeX = _characteristics[k].Centroid.X;
                        edgeY = _characteristics[k].Centroid.Y;


                        //for (int i = 1; i <= edgeSortPoints.Count(); i++)//画边缘；
                        //{
                        //    shg = nshg + edgeSortPoints[i].X * 4 + edgeSortPoints[i].Y * stride;

                        //    shg[0] = showColor.B;
                        //    shg[1] = showColor.G;
                        //    shg[2] = showColor.R;
                        //}

                        //for (int i = -1 * width / 150; i <= 1 * width / 150; i++)//画十字；
                        //{
                        //    shg = nshg + (edgeX + i) * 4 + edgeY * stride;
                        //    north = shg - stride;

                        //    shg[0] = showColor.B;
                        //    shg[1] = showColor.G;
                        //    shg[2] = showColor.R;
                        //    north[0] = showColor.B;
                        //    north[1] = showColor.G;
                        //    north[2] = showColor.R;

                        //    shg = nshg + edgeX * 4 + (edgeY + i) * stride;
                        //    west = shg + 4;

                        //    shg[0] = showColor.B;
                        //    shg[1] = showColor.G;
                        //    shg[2] = showColor.R;
                        //    west[0] = showColor.B;
                        //    west[1] = showColor.G;
                        //    west[2] = showColor.R;
                        //}


                        for (int i = -1; i <= 1; i++)//画十字；
                        {
                            shg = nshg + (edgeX + i) * 4 + edgeY * stride;
                            north = shg - stride;

                            shg[0] = showColor.B;
                            shg[1] = showColor.G;
                            shg[2] = showColor.R;
                            north[0] = showColor.B;
                            north[1] = showColor.G;
                            north[2] = showColor.R;

                            shg = nshg + edgeX * 4 + (edgeY + i) * stride;
                            west = shg + 4;

                            shg[0] = showColor.B;
                            shg[1] = showColor.G;
                            shg[2] = showColor.R;
                            west[0] = showColor.B;
                            west[1] = showColor.G;
                            west[2] = showColor.R;
                        }


                    }
                }

                b.UnlockBits(srcData);
                showingImage.UnlockBits(shgData);
                b.Dispose();
                dstImage = showingImage;
            }
            catch (Exception ex)
            {
                GC.Collect();
            }
            return dstImage;
        }
    }
}