using OpenCvSharp;
using PaintDotNet.Base;
using PaintDotNet.Base.Enum;
using PaintDotNet.Base.Functionodel;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;

namespace PaintDotNet.Adjust
{
    /// <summary>
    /// 物相提取的处理程序
    /// </summary>
    public unsafe class PhaseExtractionIntent
    {
        /// <summary>
        /// 中间变量
        /// </summary>
        private static Mat phaseTemp;
        /// <summary>
        /// 中间变量
        /// </summary>
        private static Mat phaseTemp1;
        /// <summary>
        /// 中间变量
        /// </summary>
        private static Mat phaseTemp2;
        /// <summary>
        /// 视场Mat
        /// </summary>
        private static Mat viewMat;
        /// <summary>
        /// 相颜色
        /// </summary>
        private static Vec4b vec4B;
        /// <summary>
        /// 透明的颜色
        /// </summary>
        private static Vec4b vec4BTransparent = new Vec4b(0,0,0,0);
        /// <summary>
        /// RGB/HLS的范围值
        /// </summary>
        private static int item0L, item0R, item1L, item1R, item2L, item2R;
        /// <summary>
        /// 目标选择
        /// </summary>
        private static FieldOfViewParameters targetSelection;
        /// <summary>
        /// 定义物体
        /// </summary>
        private static DefineObjectsParameters defineObjects = DefineObjectsParameters.Click;
        /// <summary>
        /// 定义物体->点击->容许值
        /// </summary>
        private static int allowable = 0;
        /// <summary>
        /// 定义物体->点击->范围大小
        /// </summary>
        private static int scopeSize = 0;
        /// <summary>
        /// 定义物体->轮廓，默认多边形
        /// </summary>
        private static ContourParameters shape = ContourParameters.Polygon;
        /// <summary>
        /// 删除边界对象
        /// </summary>
        private static bool deleteBoundaryObject = false;
        /// <summary>
        /// 孔洞填充
        /// </summary>
        private static bool holeFilling = false;
        /// <summary>
        /// 碎屑删除
        /// </summary>
        private static bool debrisRemoval = false;
        /// <summary>
        /// 碎屑面积起
        /// </summary>
        private static int debrisAreaStart = 0;
        /// <summary>
        /// 碎屑面积止
        /// </summary>
        private static int debrisAreaEnd = 0;
        /// <summary>
        /// 二值样式
        /// </summary>
        private static StyleParameters binaryType;
        /// <summary>
        /// 目标选择
        /// </summary>
        private static ProcessingParameters targetProcess;
        /// <summary>
        /// RGB/HLS 默认0 rgb
        /// </summary>
        private static int rgborhls = 0;
        /// <summary>
        /// 单个目标，偏差
        /// </summary>
        private static int deviation = 0;

        #region 无视场

        /// <summary>
        /// 【无视场】二值操作-物相提取
        /// </summary>
        /// <param name="src">源图像</param>
        /// <param name="lists">参数集合</param>
        /// <returns></returns>
        public static Mat ImagePhaseExtraction(Mat src, PhaseModel phase, System.Drawing.Point point, List<Args> lists)
        {
            if (phase == null)
                return src;
            Mat returnValue = new Mat();
            Color color = Color.FromArgb(phase.color);
            vec4B = new Vec4b(color.B, color.G, color.R, 255);

            //整个图像的参数
            List<Args> whole = lists[0].choiseList[0].lists;
            //单个目标的参数
            List<Args> single = lists[0].choiseList[1].lists;

            //提取模式->整个图像
            bool wholeObject = (bool)(lists[0].choiseList[0].value);
            //提取模式->单个目标
            bool singleObject = (bool)(lists[0].choiseList[1].value);
            //目标选择
            targetSelection = (FieldOfViewParameters)lists[0].choiseList[2].Value;

            //二值样式
            binaryType = (StyleParameters)lists[0].choiseList[0].Lists[1].Value;
            //目标选择
            targetProcess = (ProcessingParameters)lists[0].choiseList[0].Lists[2].Value;

            //整个图像
            if (wholeObject)
            {
                //定义物体,点击或轮廓
                //bool click = (bool)lists[0].choiseList[0].lists.Find(a => a.Key.Equals("defineObject")).choiseList[0].Value;
                bool profile = (bool)lists[0].choiseList[0].lists.Find(a => a.Key.Equals("defineObject")).choiseList[1].Value;
                defineObjects = profile ? DefineObjectsParameters.Profile : DefineObjectsParameters.Click;
                //定义物体->点击->容许值
                allowable = (int)((lists[0].choiseList[0].Lists[0].choiseList[0].Lists[0])).Value;
                //定义物体->点击->范围大小
                scopeSize = (int)((lists[0].choiseList[0].Lists[0].choiseList[0].Lists[1])).Value;
                //定义物体->轮廓
                shape = (ContourParameters)lists[0].choiseList[0].Lists[0].choiseList[1].lists[0].Value;

                //删除边界对象
                deleteBoundaryObject = (bool)whole[3].Value;
                //孔洞填充
                holeFilling = (bool)whole[4].Value;
                //碎屑删除
                debrisRemoval = (bool)whole[5].Value;
                //碎屑面积
                debrisAreaStart = (int)(((List<double>)lists[0].choiseList[0].Lists[6].Value)[0]);
                debrisAreaEnd = (int)(((List<double>)lists[0].choiseList[0].Lists[6].Value)[1]);

                //rgb或hls
                rgborhls = ((bool)whole[7].choiseList[0].Value) ? 0 : 1;

                //RGB/HLS的值区间
                item2L = (int)(((List<double>)whole[7].choiseList[0].Lists[0].Value)[0]);
                item2R = (int)(((List<double>)whole[7].choiseList[0].Lists[0].Value)[1]);

                item1L = (int)(((List<double>)whole[7].choiseList[0].Lists[1].Value)[0]);
                item1R = (int)(((List<double>)whole[7].choiseList[0].Lists[1].Value)[1]);

                item0L = (int)(((List<double>)whole[7].choiseList[0].Lists[2].Value)[0]);
                item0R = (int)(((List<double>)whole[7].choiseList[0].Lists[2].Value)[1]);
            }

            //提取单个目标的参数列表
            if (singleObject)
            {
                deviation = (int)single[0].Value;
            }

            if (wholeObject)
            {
                returnValue = WholeExtract(src);
            }

            if (singleObject)
            {
                returnValue = SingleExtract(src, phase.mat, point);
            }

            return returnValue;
        }

        /// <summary>
        /// 点击时的整个提取
        /// </summary>
        /// <param name="source"></param>
        /// <returns></returns>
        public static Mat WholeExtract(Mat source)
        {
            //原始轮廓信息
            OpenCvSharp.Point[][] contours;
            //轮廓的拓扑信息
            HierarchyIndex[] hierachy;
            //删除的对象的索引
            List<int> deleteIndexs = new List<int>();

            //二值提取
            phaseTemp1 = new Mat(source.Rows, source.Cols, MatType.CV_8UC4, new Scalar(0, 0, 0, 0));
            //如果是rgb
            if (rgborhls == 0)
            {
                source.ForEachAsVec4b(ForeachFunctionByteForWhole4B);
            }
            else
            {
                source.ForEachAsVec3b(ForeachFunctionByteForWhole3B);
            }
            //寻找轮廓
            Cv2.FindContours(phaseTemp1.CvtColor(ColorConversionCodes.BGR2GRAY), out contours, out hierachy, RetrievalModes.Tree, ContourApproximationModes.ApproxNone);
            //孔洞填充
            phaseTemp1 = HoleFilling(holeFilling, hierachy, contours, phaseTemp1);
            //寻找轮廓
            Cv2.FindContours(phaseTemp1.CvtColor(ColorConversionCodes.BGR2GRAY), out contours, out hierachy, RetrievalModes.Tree, ContourApproximationModes.ApproxNone);
            //删除边界对象/碎屑删除
            DeleteContours(deleteBoundaryObject, debrisRemoval, contours, hierachy, debrisAreaStart, debrisAreaEnd, deleteIndexs, phaseTemp1);
            //过滤掉被删除的轮廓，对剩下的填充或绘制轮廓
            phaseTemp1 = FillOrDrawContours(phaseTemp1, contours, deleteIndexs, binaryType, vec4B, hierachy);
            return phaseTemp1;
        }

        /// <summary>
        /// 从全部轮廓中删除被移除的轮廓
        /// 根据条件绘制轮廓或填充轮廓
        /// </summary>
        /// <param name="src"></param>
        /// <param name="contours"></param>
        /// <param name="deleteIndexs"></param>
        /// <param name="binaryStyle"></param>
        /// <param name="phaseColor"></param>
        /// <param name="hierachy"></param>
        /// <returns></returns>
        private static Mat FillOrDrawContours(Mat src, OpenCvSharp.Point[][] contours,
            List<int> deleteIndexs, StyleParameters binaryStyle, OpenCvSharp.Vec4b phaseColor, HierarchyIndex[] hierachy)
        {
            //创建一个新mat
            src = new Mat(src.Size(), src.Type(), new Scalar(0, 0, 0, 0));
            //src.EmptyClone();
            //用于绘制的轮廓
            List<OpenCvSharp.Point[]> drawContours = contours.ToList<OpenCvSharp.Point[]>();

            //循环处理轮廓，过滤到被删除的轮廓及其子轮廓
            if (deleteIndexs.Count > 0)
            {
                drawContours.Clear();
                for (int i = 0; i < contours.Length; i++)
                {
                    if (!deleteIndexs.Exists(a => a == i))// && !deleteIndexs.Exists(a => a == hierachy[i].Parent)
                    {
                        drawContours.Add(contours[i]);
                    }
                }
            }

            //二值样式 1实心 2边线
            if (binaryStyle == StyleParameters.Solid)
            {
                Cv2.FillPoly(src, drawContours, new Scalar(phaseColor.Item0, phaseColor.Item1, phaseColor.Item2, 255), LineTypes.Link8);
            }
            else
            {
                Cv2.DrawContours(src, drawContours, -1, new Scalar(phaseColor.Item0, phaseColor.Item1, phaseColor.Item2, 255), 1);
            }
            return src;
        }

        public unsafe static void ForeachFunctionByteForWhole4B(Vec4b* t, int* position)
        {
            int y = position[0];
            int x = position[1];
            
            //如果是删除
            if (targetProcess == ProcessingParameters.Delete)
            {
                phaseTemp1.Set<Vec4b>(y, x, vec4BTransparent);
            }

            if ((t->Item0 >= item0L && t->Item0 <= item0R)
                && (t->Item1 >= item1L && t->Item1 <= item1R)
                && (t->Item2 >= item2L && t->Item2 <= item2R))
            {
                phaseTemp1.Set<Vec4b>(y, x, vec4B);
            }
        }

        public unsafe static void ForeachFunctionByteForWhole3B(Vec3b* t, int* position)
        {
            int y = position[0];
            int x = position[1];

            //如果是删除
            if (targetProcess == ProcessingParameters.Delete)
            {
                phaseTemp1.Set<Vec4b>(y, x, vec4BTransparent);
            }

            if ((t->Item0 >= item0L && t->Item0 <= item0R)
                    && (t->Item1 >= item1L && t->Item1 <= item1R)
                    && (t->Item2 >= item2L && t->Item2 <= item2R))
            {
                phaseTemp1.Set<Vec4b>(y, x, vec4B);
            }
        }

        /// <summary>
        /// 单个目标的提取
        /// </summary>
        /// <param name="source">源图像</param>
        /// <param name="point">鼠标点击位置</param>
        /// <param name="vec4b">相颜色</param>
        /// <returns></returns>
        public static Mat SingleExtract(Mat source, Mat phase, System.Drawing.Point point)
        {
            try
            {
                if (phase == null)
                {
                    phaseTemp1 = new Mat(source.Rows, source.Cols, MatType.CV_8UC4, new Scalar(0, 0, 0, 0));
                }
                else
                {
                    phase.CopyTo(phaseTemp1);
                }

                phaseTemp = new Mat(source.Rows + 2, source.Cols + 2, MatType.CV_8U, Scalar.All(0));
                Mat sourceTemp = new Mat();
                source.CopyTo(sourceTemp);
                sourceTemp = sourceTemp.CvtColor(ColorConversionCodes.BGRA2BGR);
                
                Rect rect = new Rect();
                Cv2.FloodFill(sourceTemp, phaseTemp, new OpenCvSharp.Point(point.X, point.Y), new Scalar(255), out rect, new Scalar(deviation, deviation, deviation), new Scalar(deviation, deviation, deviation), FloodFillFlags.Link8 | FloodFillFlags.FixedRange | FloodFillFlags.MaskOnly);
                //二值样式 1实心 2边线
                if (binaryType == StyleParameters.Sideline)
                {
                    Mat nowTemp1 = new Mat(source.Rows, source.Cols, MatType.CV_8UC4, new Scalar(0, 0, 0, 0));
                    //原始轮廓信息
                    OpenCvSharp.Point[][] contours;
                    //轮廓的拓扑信息
                    HierarchyIndex[] hierachy;
                    //去掉外边的2个像素
                    //Mat roi = new Mat(phaseTemp, new Rect(1, 1, source.Width, source.Height));
                    phaseTemp.ForEachAsByte(ForeachFunctionByteForChoise);
                    Cv2.FindContours(phaseTemp1.CvtColor(ColorConversionCodes.BGRA2GRAY), out contours, out hierachy, RetrievalModes.Tree, ContourApproximationModes.ApproxNone);
                    Cv2.DrawContours(nowTemp1, contours, -1, new Scalar(vec4B.Item0, vec4B.Item1, vec4B.Item2, 255), 1);
                    nowTemp1.CopyTo(phaseTemp1);
                }
                else
                {
                    /*if(phase!=null)
                    {
                        //原始轮廓信息
                        OpenCvSharp.Point[][] contours;
                        //轮廓的拓扑信息
                        HierarchyIndex[] hierachy;
                        //寻找轮廓信息
                        Cv2.FindContours(phase.CvtColor(ColorConversionCodes.BGR2GRAY), out contours, out hierachy, RetrievalModes.Tree, ContourApproximationModes.ApproxNone);
                        List<List<OpenCvSharp.Point>> lists = new List<List<OpenCvSharp.Point>>();
                        foreach (OpenCvSharp.Point[] points in contours)
                        {
                            lists.Add(points.ToList<OpenCvSharp.Point>());
                        }
                        //填充轮廓
                        Cv2.FillPoly(phaseTemp, lists, new Scalar(vec4B.Item0, vec4B.Item1, vec4B.Item2, 255), LineTypes.Link8);
                    }*/
                    phaseTemp.ForEachAsByte(ForeachFunctionByteForChoise);
                }
            }
            catch (Exception)
            {

            }
            finally
            {
                if (phaseTemp != null && !phaseTemp.IsDisposed) phaseTemp.Dispose();
            }
            return phaseTemp1;
        }

        /// <summary>
        /// 单个目标的提取
        /// </summary>
        /// <param name="value"></param>
        /// <param name="position"></param>
        public unsafe static void ForeachFunctionByteForChoise(byte* value, int* position)
        {
            int y = position[0];
            int x = position[1];
            byte intencity = *value;
            if (intencity == 1 && x > 0 && y > 0 && x < phaseTemp.Width - 1 && y < phaseTemp.Height - 1)
            {
                phaseTemp1.Set<Vec4b>(y - 1, x - 1, vec4B);
            }
        }

        /// <summary>
        /// 孔洞填充
        /// </summary>
        /// <param name="holeFilling"></param>
        /// <param name="hierachy"></param>
        /// <param name="contours"></param>
        /// <param name="src"></param>
        /// <returns></returns>
        private static Mat HoleFilling(bool holeFilling, HierarchyIndex[] hierachy,
            OpenCvSharp.Point[][] contours, Mat src)
        {
            if (holeFilling && hierachy != null)
            {
                for (int i = 0; i < hierachy.Length; i++)
                {
                    //如果需要还可以判断面积范围
                    if (hierachy[i].Parent > -1)
                    {
                        List<List<OpenCvSharp.Point>> ps = new List<List<OpenCvSharp.Point>>();
                        ps.Add(contours[i].ToList());
                        Cv2.FillPoly(src, ps, new Scalar(255, 0, 0, 255));
                    }
                }
            }
            return src;
        }

        /// <summary>
        /// 删除边界对象 以及 碎屑删除
        /// </summary>
        /// <param name="deleteBoundaryObject">是否删除边界对象</param>
        /// <param name="debrisRemoval">是否删除碎屑</param>
        /// <param name="contours">轮廓</param>
        /// <param name="hierachy">结构</param>
        /// <param name="debrisAreaStart">碎屑面积</param>
        /// <param name="debrisAreaEnd">碎屑面积</param>
        /// <param name="deleteIndexs">被删除的轮廓的下标</param>
        /// <param name="src">源</param>
        public static void DeleteContours(bool deleteBoundaryObject, bool debrisRemoval,
            OpenCvSharp.Point[][] contours, HierarchyIndex[] hierachy,
            int debrisAreaStart, int debrisAreaEnd, List<int> deleteIndexs, Mat src)
        {
            if ((deleteBoundaryObject || debrisRemoval) && contours != null)
            {
                if (contours.Length > 0)
                {
                    for (int i = 0; i < contours.Length; i++)
                    {
                        bool delete = false;
                        if (debrisRemoval)
                        {
                            double area = Cv2.ContourArea(contours[i]);
                            if (area >= debrisAreaStart && area <= debrisAreaEnd && hierachy[i].Parent == -1)
                            {
                                deleteIndexs.Add(i);
                                List<OpenCvSharp.Point[]> pointsTemp = new List<OpenCvSharp.Point[]>();
                                RecursiveFindChildContours(contours.ToList(), hierachy, i, deleteIndexs);
                                delete = true;
                            }
                        }
                        if (deleteBoundaryObject && !delete)
                        {
                            for (int y = 0; y < contours[i].Length; y++)
                            {
                                if (contours[i][y].X == 0 || contours[i][y].X == src.Width-1 || contours[i][y].Y == 0 || contours[i][y].Y == src.Height-1)
                                {
                                    deleteIndexs.Add(i);
                                    List<OpenCvSharp.Point[]> pointsTemp = new List<OpenCvSharp.Point[]>();
                                    RecursiveFindChildContours(contours.ToList(), hierachy, i, deleteIndexs);
                                    break;
                                }
                            }
                        }
                    }
                }
            }
        }
        #endregion

        #region 有视场

        public static Mat ImagePhaseExtractionWithView(Mat hls, Mat rgb, Mat origin, PhaseModel phase, System.Drawing.Point point, List<Args> lists)
        {
            viewMat = hls;

            Mat returnValue = new Mat();
            Color color = Color.FromArgb(phase.color);
            vec4B = new Vec4b(color.B, color.G, color.R, 255);

            //整个图像的参数
            List<Args> whole = lists[0].choiseList[0].lists;
            //单个目标的参数
            List<Args> single = lists[0].choiseList[1].lists;

            //提取模式->整个图像
            bool wholeObject = (bool)(lists[0].choiseList[0].value);
            //提取模式->单个目标
            bool singleObject = (bool)(lists[0].choiseList[1].value);
            //目标选择
            targetSelection = (FieldOfViewParameters)lists[0].choiseList[2].Value;

            //二值样式
            binaryType = (StyleParameters)lists[0].choiseList[0].Lists[1].Value;
            //目标选择
            targetProcess = (ProcessingParameters)lists[0].choiseList[0].Lists[2].Value;

            //整个图像
            if (wholeObject)
            {
                //定义物体,点击或轮廓
                //bool click = (bool)lists[0].choiseList[0].lists.Find(a => a.Key.Equals("defineObject")).choiseList[0].Value;
                bool profile = (bool)lists[0].choiseList[0].lists.Find(a => a.Key.Equals("defineObject")).choiseList[1].Value;
                defineObjects = profile ? DefineObjectsParameters.Profile : DefineObjectsParameters.Click;
                //定义物体->点击->容许值
                allowable = (int)((lists[0].choiseList[0].Lists[0].choiseList[0].Lists[0])).Value;
                //定义物体->点击->范围大小
                scopeSize = (int)((lists[0].choiseList[0].Lists[0].choiseList[0].Lists[1])).Value;
                //定义物体->轮廓
                shape = (ContourParameters)lists[0].choiseList[0].Lists[0].choiseList[1].lists[0].Value;

                //删除边界对象
                deleteBoundaryObject = (bool)whole[3].Value;
                //孔洞填充
                holeFilling = (bool)whole[4].Value;
                //碎屑删除
                debrisRemoval = (bool)whole[5].Value;
                //碎屑面积
                debrisAreaStart = (int)(((List<double>)lists[0].choiseList[0].Lists[6].Value)[0]);
                debrisAreaEnd = (int)(((List<double>)lists[0].choiseList[0].Lists[6].Value)[1]);
                
                //rgb或hls
                rgborhls = ((bool)whole[7].choiseList[0].Value) ? 0 : 1;

                //RGB/HLS的值区间
                item2L = (int)(((List<double>)whole[7].choiseList[0].Lists[0].Value)[0]);
                item2R = (int)(((List<double>)whole[7].choiseList[0].Lists[0].Value)[1]);

                item1L = (int)(((List<double>)whole[7].choiseList[0].Lists[1].Value)[0]);
                item1R = (int)(((List<double>)whole[7].choiseList[0].Lists[1].Value)[1]);

                item0L = (int)(((List<double>)whole[7].choiseList[0].Lists[2].Value)[0]);
                item0R = (int)(((List<double>)whole[7].choiseList[0].Lists[2].Value)[1]);
            }

            //提取单个目标的参数列表
            if (singleObject)
            {
                deviation = (int)single[0].Value;
            }

            if (wholeObject)
            {
                returnValue = WholeExtractView(hls, phase.mat, rgb);
            }

            if (singleObject)
            {
                returnValue = SingleExtractView(hls, phase.mat, point);
            }

            return returnValue;
        }

        /// <summary>
        /// 点击时的整个提取
        /// </summary>
        /// <param name="view">视场mat，rgb或hls</param>
        /// <param name="matBin">if(rgb){ 原图的mat }else if(hls){ rgba视场的mat }</param>
        /// <returns></returns>
        public static Mat WholeExtractView(Mat hls, Mat rgb, Mat origin)
        {
            //原图内轮廓信息
            OpenCvSharp.Point[][] originContours;
            //原图内轮廓的拓扑信息
            HierarchyIndex[] originHierachy;
            //原始轮廓信息
            OpenCvSharp.Point[][] contours;
            //轮廓的拓扑信息
            HierarchyIndex[] hierachy;
            //删除的对象的索引
            List<int> deleteIndexs = new List<int>();

            //二值提取
            phaseTemp = new Mat(hls.Rows, hls.Cols, MatType.CV_8UC4, new Scalar(0, 0, 0, 0));
            phaseTemp1 = new Mat(hls.Rows, hls.Cols, MatType.CV_8UC4, new Scalar(0, 0, 0, 0));
            phaseTemp2 = origin;
            if (rgborhls==0)
            {
                origin.ForEachAsVec4b(ForeachFunctionByteForWholeWithView4B);
            }
            else
            {
                hls.ForEachAsVec3b(ForeachFunctionByteForWholeWithView3B);
            }
            //Cv2.ImShow("原", phaseTemp);
            //原图mat寻找轮廓
            Cv2.FindContours(phaseTemp.CvtColor(ColorConversionCodes.BGR2GRAY), out originContours, out originHierachy, RetrievalModes.Tree, ContourApproximationModes.ApproxNone);
            //寻找轮廓
            Cv2.FindContours(phaseTemp1.CvtColor(ColorConversionCodes.BGR2GRAY), out contours, out hierachy, RetrievalModes.Tree, ContourApproximationModes.ApproxNone);
            //孔洞填充
            phaseTemp1 = HoleFillingWithView(holeFilling, hierachy, contours, phaseTemp1, vec4B);
            //寻找轮廓
            Cv2.FindContours(phaseTemp1.CvtColor(ColorConversionCodes.BGR2GRAY), out contours, out hierachy, RetrievalModes.Tree, ContourApproximationModes.ApproxNone);
            //删除边界对象/碎屑删除
            DeleteContoursWithView(deleteBoundaryObject, debrisRemoval, contours, hierachy, debrisAreaStart, debrisAreaEnd, deleteIndexs, phaseTemp1);
            //过滤掉被删除的轮廓，对剩下的填充或绘制轮廓
            phaseTemp1 = FillOrDrawContoursWithView(holeFilling, phaseTemp1, contours, originContours, deleteIndexs, binaryType, vec4B, hierachy, originHierachy, targetSelection);
            return phaseTemp1;
        }

        /// <summary>
        /// 单个目标的提取
        /// </summary>
        /// <param name="source">源图像</param>
        /// <param name="point">鼠标点击位置</param>
        /// <param name="vec4b">相颜色</param>
        /// <returns></returns>
        public static Mat SingleExtractView(Mat source, Mat phase, System.Drawing.Point point)
        {
            try
            {
                if (phase == null)
                {
                    phaseTemp1 = new Mat(source.Rows, source.Cols, MatType.CV_8UC4, new Scalar(0, 0, 0, 0));
                }
                else
                {
                    phase.CopyTo(phaseTemp1);
                }

                phaseTemp = new Mat(source.Rows + 2, source.Cols + 2, MatType.CV_8U, Scalar.All(0));
                Mat sourceTemp = new Mat();
                source.CopyTo(sourceTemp);
                sourceTemp = sourceTemp.CvtColor(ColorConversionCodes.BGRA2BGR);

                Rect rect = new Rect();
                Cv2.FloodFill(sourceTemp, phaseTemp, new OpenCvSharp.Point(point.X, point.Y), new Scalar(255), out rect, new Scalar(deviation, deviation, deviation), new Scalar(deviation, deviation, deviation), FloodFillFlags.Link8 | FloodFillFlags.FixedRange | FloodFillFlags.MaskOnly);
                phaseTemp.ForEachAsByte(ForeachFunctionByteForChoiseWithView);
            }
            catch (Exception)
            {

            }
            finally
            {
                if (phaseTemp != null && !phaseTemp.IsDisposed) phaseTemp.Dispose();
            }
            return phaseTemp1;
        }

        public unsafe static void ForeachFunctionByteForChoiseWithView(byte* value, int* position)
        {
            int y = position[0];
            int x = position[1];
            byte intencity = *value;
            if (intencity == 1 && x > 0 && y > 0 && x < phaseTemp.Width - 1 && y < phaseTemp.Height - 1)
            {
                if(viewMat.At<Vec4b>(y - 1, x - 1)[3]>0)
                    phaseTemp1.Set<Vec4b>(y - 1, x - 1, vec4B);
            }
        }

        public unsafe static void ForeachFunctionByteForWholeWithView4B(Vec4b* t, int* position)
        {
            int y = position[0];
            int x = position[1];

            //如果是删除
            if (targetProcess == ProcessingParameters.Delete)
            {
                phaseTemp1.Set<Vec4b>(y, x, vec4BTransparent);
            }

            //如果不透明则进行处理
            //if (t->Item3 > 0) 
            {
                if ((t->Item0 >= item0L && t->Item0 <= item0R)
                    && (t->Item1 >= item1L && t->Item1 <= item1R)
                    && (t->Item2 >= item2L && t->Item2 <= item2R))
                {
                    phaseTemp.Set<Vec4b>(y, x, vec4B);
                 
                    if (t->Item3 > 0)
                        phaseTemp1.Set<Vec4b>(y, x, vec4B);
                }
            }
        }

        public unsafe static void ForeachFunctionByteForWholeWithView3B(Vec3b* t, int* position)
        {
            int y = position[0];
            int x = position[1];

            //如果是删除
            if (targetProcess == ProcessingParameters.Delete)
            {
                phaseTemp1.Set<Vec4b>(y, x, vec4BTransparent);
            }

            Vec4b m4b = phaseTemp2.At<Vec4b>(y, x);
            //如果不透明则进行处理
            //if (m4b.Item3 > 0)
            {
                if ((t->Item0 >= item0L && t->Item0 <= item0R)
                    && (t->Item1 >= item1L && t->Item1 <= item1R)
                    && (t->Item2 >= item2L && t->Item2 <= item2R))
                {
                    phaseTemp.Set<Vec4b>(y, x, vec4B);

                    if (m4b.Item3 > 0)
                        phaseTemp1.Set<Vec4b>(y, x, vec4B);
                }
            }
        }
        
        /// <summary>
        /// 孔洞填充
        /// </summary>
        /// <param name="holeFilling"></param>
        /// <param name="hierachy"></param>
        /// <param name="contours"></param>
        /// <param name="src"></param>
        /// <param name="phaseColor"></param>
        /// <returns></returns>
        private static Mat HoleFillingWithView(bool holeFilling, HierarchyIndex[] hierachy,
            OpenCvSharp.Point[][] contours, Mat src, Vec4b phaseColor)
        {
            if (holeFilling && hierachy != null)
            {
                for (int i = 0; i < hierachy.Length; i++)
                {
                    //如果需要还可以判断面积范围
                    if (hierachy[i].Parent > -1)
                    {
                        List<List<OpenCvSharp.Point>> ps = new List<List<OpenCvSharp.Point>>();
                        ps.Add(contours[i].ToList());
                        Cv2.FillPoly(src, ps, new Scalar(phaseColor.Item0, phaseColor.Item1, phaseColor.Item2, 255));
                    }
                }
            }
            return src;
        }

        /// <summary>
        /// 删除边界对象 以及 碎屑删除
        /// </summary>
        /// <param name="deleteBoundaryObject">是否删除边界对象</param>
        /// <param name="debrisRemoval">是否删除碎屑</param>
        /// <param name="contours">轮廓</param>
        /// <param name="hierachy">结构</param>
        /// <param name="debrisAreaStart">碎屑面积</param>
        /// <param name="debrisAreaEnd">碎屑面积</param>
        /// <param name="deleteIndexs">被删除的轮廓的下标</param>
        /// <param name="src">源</param>
        public static void DeleteContoursWithView(bool deleteBoundaryObject, bool debrisRemoval,
            OpenCvSharp.Point[][] contours, HierarchyIndex[] hierachy,
            int debrisAreaStart, int debrisAreaEnd, List<int> deleteIndexs, Mat src)
        {
            if ((deleteBoundaryObject || debrisRemoval) && contours != null)
            {
                if (contours.Length > 0)
                {
                    for (int i = 0; i < contours.Length; i++)
                    {
                        bool delete = false;
                        if (debrisRemoval)
                        {
                            double area = Cv2.ContourArea(contours[i]);
                            if (area > debrisAreaStart && area < debrisAreaEnd && hierachy[i].Parent == -1)
                            {
                                deleteIndexs.Add(i);
                                RecursiveFindChildContours(contours.ToList(), hierachy, i, deleteIndexs);
                                delete = true;
                            }
                        }
                        if (deleteBoundaryObject && !delete)
                        {
                            for (int y = 0; y < contours[i].Length; y++)
                            {
                                if (contours[i][y].X == 0 || contours[i][y].X == src.Width-1 || contours[i][y].Y == 0 || contours[i][y].Y == src.Height-1)
                                {
                                    deleteIndexs.Add(i);
                                    RecursiveFindChildContours(contours.ToList(), hierachy, i, deleteIndexs);
                                    break;
                                }
                            }
                        }
                    }
                }
            }
        }

        /// <summary>
        /// 从全部轮廓中删除被移除的轮廓
        /// 根据条件绘制轮廓或填充轮廓
        /// </summary>
        /// <param name="src"></param>
        /// <param name="contours">视场图轮廓</param>
        /// <param name="originContours">原图轮廓</param>
        /// <param name="deleteIndexs"></param>
        /// <param name="binaryStyle"></param>
        /// <param name="phaseColor"></param>
        /// <param name="hierachy"></param>
        /// <param name="targetSelection">目标选择</param>
        /// <returns></returns>
        private static Mat FillOrDrawContoursWithView(bool holeFilling, Mat src, OpenCvSharp.Point[][] contours, OpenCvSharp.Point[][] originContours,
            List<int> deleteIndexs, StyleParameters binaryStyle, Vec4b phaseColor, HierarchyIndex[] hierachy, HierarchyIndex[] originHierachy, FieldOfViewParameters targetSelection)
        {
            if(src==null)
                src = new Mat(phaseTemp1.Size(), phaseTemp1.Type(), new Scalar(0, 0, 0, 0));
            //创建一个新mat
            //Mat src = new Mat(temp.Size(), temp.Type(), new Scalar(0, 0, 0, 0));

            //用于绘制的轮廓
            List<OpenCvSharp.Point[]> drawContours = contours.ToList<OpenCvSharp.Point[]>();
            //用于绘制的轮廓对应的关系
            List<HierarchyIndex> hierachys = new List<HierarchyIndex>();
            //处理目标选择，以及过滤到被删除的轮廓及其子轮廓
            drawContours = CalcContoursByTargetSelection(holeFilling, deleteIndexs, drawContours, hierachy, originContours, originHierachy, targetSelection);
            
            if(drawContours.Count == 0) drawContours = contours.ToList<OpenCvSharp.Point[]>();

            //二值样式 1实心 2边线
            if (binaryStyle == StyleParameters.Solid)
            {
                Cv2.FillPoly(src, drawContours, new Scalar(phaseColor.Item0, phaseColor.Item1, phaseColor.Item2, 255));
            }
            else
            {
                Cv2.DrawContours(src, drawContours, -1, new Scalar(phaseColor.Item0, phaseColor.Item1, phaseColor.Item2, 255), 1);
            }
            return src;
        }

        /// <summary>
        /// 根据目标选择参数进行轮廓的筛选
        /// </summary>
        /// <param name="drawContours">经过筛选的视场图内的轮廓</param>
        /// <param name="originContours">原图二值化后的所有轮廓</param>
        /// <returns></returns>
        private static List<OpenCvSharp.Point[]> CalcContoursByTargetSelection(bool holeFilling, List<int> deleteIndexs, List<OpenCvSharp.Point[]> drawContours, HierarchyIndex[] hierachy, OpenCvSharp.Point[][] originContours, HierarchyIndex[] originHierachy, FieldOfViewParameters targetSelection)
        {
            List<OpenCvSharp.Point[]> points = new List<OpenCvSharp.Point[]>();
            List<OpenCvSharp.Point[]> originPoints = originContours.ToList<OpenCvSharp.Point[]>();
            if (targetSelection == FieldOfViewParameters.One)
            {
                int k = 0;
                foreach (OpenCvSharp.Point[] ps in drawContours)
                {
                    if (deleteIndexs.Count > 0)
                    {
                        if (deleteIndexs.Exists(a => a == k))
                        {
                            k++;
                            continue;
                        }
                    }
                    foreach (OpenCvSharp.Point[] os in originPoints)
                    {
                        if (Cv2.PointPolygonTest(os, ps[0], false) >= 0)
                        {
                            if (Cv2.ContourArea(ps, false) == Cv2.ContourArea(os, false))
                            {
                                if (hierachy[k].Parent == -1)
                                {
                                    points.Add(ps);

                                    List<OpenCvSharp.Point[]> pointsTemp = new List<OpenCvSharp.Point[]>();
                                    RecursiveFindChildContours(drawContours, hierachy, k, pointsTemp);
                                    points.AddRange(pointsTemp);
                                }
                            }
                        }
                    }
                    k++;
                }
            }
            else if (targetSelection == FieldOfViewParameters.Two)
            {
                if (deleteIndexs.Count > 0)
                {
                    for (int i = 0; i < drawContours.Count; i++)
                    {
                        if (!deleteIndexs.Exists(a => a == i) && !deleteIndexs.Exists(a => a == hierachy[i].Parent))
                        {
                            points.Add(drawContours[i]);
                        }
                    }
                }
                else
                {
                    points = drawContours;
                }
            }
            else if (targetSelection == FieldOfViewParameters.Three)
            {
                List<int> smallInt = new List<int>();
                List<int> bigInt = new List<int>();
                int k = 0;
                foreach (OpenCvSharp.Point[] ps in drawContours)
                {
                    int f = 0;
                    if (deleteIndexs.Count > 0)
                    {
                        if (deleteIndexs.Exists(a => a == k))
                        {
                            k++;
                            continue;
                        }
                    }
                    foreach (OpenCvSharp.Point[] os in originPoints)
                    {
                        if (Cv2.PointPolygonTest(os, ps[0], false) >= 0 && hierachy[k].Parent == -1)
                        {
                            if (Cv2.ContourArea(ps, false) == Cv2.ContourArea(os, false))
                            {
                                if (originHierachy[f].Parent == -1)
                                {
                                    if (!smallInt.Exists(a => a == k))
                                    {
                                        smallInt.Add(k);
                                        points.Add(ps);
                                        if (!holeFilling)
                                        {
                                            List<OpenCvSharp.Point[]> pointsTemp = new List<OpenCvSharp.Point[]>();
                                            RecursiveFindChildContours(drawContours, hierachy, k, pointsTemp);
                                            points.AddRange(pointsTemp);
                                        }
                                    }
                                }
                            }
                            else
                            {
                                if (originHierachy[f].Parent == -1)
                                {
                                    if (!bigInt.Exists(a => a == f))
                                    {
                                        bigInt.Add(f);
                                        points.Add(os);
                                        if (!holeFilling)
                                        {
                                            List<OpenCvSharp.Point[]> pointsTemp = new List<OpenCvSharp.Point[]>();
                                            RecursiveFindChildContours(originPoints, originHierachy, f, pointsTemp);
                                            points.AddRange(pointsTemp);
                                        }
                                    }
                                }
                            }
                        }
                        f++;
                    }
                    k++;
                }
            }
            return points;
        }

        #endregion

        #region 公共递归方法

        /// <summary>
        /// 递归处理
        /// </summary>
        /// <param name="drawContours"></param>
        /// <param name="hierachy"></param>
        /// <param name="position"></param>
        /// <param name="points"></param>
        private static void RecursiveFindChildContours(
            List<OpenCvSharp.Point[]> drawContours,
            HierarchyIndex[] hierachy,
            int position,
            List<OpenCvSharp.Point[]> points
            )
        {
            int m = 0;
            foreach (HierarchyIndex index in hierachy)
            {
                if (index.Parent == position)
                {
                    points.Add(drawContours[m]);
                    RecursiveFindChildContours(drawContours, hierachy, m, points);
                }
                m++;
            }
        }

        /// <summary>
        /// 递归处理
        /// </summary>
        /// <param name="drawContours"></param>
        /// <param name="hierachy"></param>
        /// <param name="position"></param>
        /// <param name="points"></param>
        private static void RecursiveFindChildContours(
            List<OpenCvSharp.Point[]> drawContours,
            HierarchyIndex[] hierachy,
            int position,
            List<int> points
            )
        {
            int m = 0;
            foreach (HierarchyIndex index in hierachy)
            {
                if (index.Parent == position)
                {
                    points.Add(m);
                    RecursiveFindChildContours(drawContours, hierachy, m, points);
                }
                m++;
            }
        }

        #endregion


        #region 无视场删除



        #endregion


        #region 有视场删除



        #endregion
    }
}