using OTSDataType;
using OTSModelSharp.ImageProcess;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static OTSDataType.otsdataconst;

namespace OTSModelSharp.ServiceInterface
{
    using OTSCLRINTERFACE;
    using OTSIMGPROC;
    using System.Drawing.Imaging;
    using System.Windows;

    public class CImageHandler:IImageProcess
    {
        #region 通过byte数组生成BMP图像文件
        /// <summary>    
        /// 将一个byte的数组转换为8bit灰度位图
        /// </summary>    
        /// <param name="data">数组</param>    
        /// <param name="width">图像宽度</param>    
        /// <param name="height">图像高度</param>    
        /// <returns>位图</returns>    
        public static Bitmap ToGrayBitmap(byte[] data, int width, int height)
        {
            if (width == 0 || height == 0) 
                return null;
            //// 申请目标位图的变量，并将其内存区域锁定    
            Bitmap bmp = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
            //// BitmapData这部分内容  需要 using System.Drawing.Imaging;  
            BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, width, height),
            ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);

            //// 获取图像参数    
            // 扫描线的宽度   
            int stride = bmpData.Stride;
            // 显示宽度与扫描线宽度的间隙  
            int offset = stride - width;
            // 获取bmpData的内存起始位置
            IntPtr iptr = bmpData.Scan0;
            // 用stride宽度，表示这是内存区域的大小
            int scanBytes = stride * height;

            //// 下面把原始的显示大小字节数组转换为内存中实际存放的字节数组    
            int posScan = 0;
            int posReal = 0;// 分别设置两个位置指针，指向源数组和目标数组    
            byte[] pixelValues = new byte[scanBytes];  //为目标数组分配内存    

            //for (int x = height-1;x>=0 ; x--) data[startIndex+ y];//
            for (int x = 0; x < height; x++)
            {
                int startIndex = x * width;
                //// 下面的循环节是模拟行扫描    
                for (int y = 0; y < width; y++)
                {
                    pixelValues[posScan++] = data[posReal++];
                }
                posScan += offset;  //行扫描结束，要将目标位置指针移过那段“间隙”    
            }
            //// 用Marshal的Copy方法，将刚才得到的内存字节数组复制到BitmapData中    
            System.Runtime.InteropServices.Marshal.Copy(pixelValues, 0, iptr, scanBytes);
            bmp.UnlockBits(bmpData);  // 解锁内存区域    

            //// 下面的代码是为了修改生成位图的索引表，从伪彩修改为灰度    
            ColorPalette tempPalette;
            using (Bitmap tempBmp = new Bitmap(1, 1, PixelFormat.Format8bppIndexed))
            {
                tempPalette = tempBmp.Palette;
            }
            for (int i = 0; i < 256; i++)
            {
                tempPalette.Entries[i] = Color.FromArgb(i, i, i);
            }
            bmp.Palette = tempPalette;


            return bmp;
        }
        #endregion

        //获取测量的BSE图
        //COTSSample WSample: 工作样品测量
        //Byte[] BSEImage: 带背景图数据
        //int iHeight:  图像高度
        //int iWidth：  图像宽度
        //Byte[]BSEImageNoBG ： 去背景图数据
        public bool GetBSEImage(COTSImageProcParam ImgProcPrm, double pixelSize, byte[] BSEImage, int iHeight, int iWidth, ref byte[] BSEImageNoBG)
        {
            Rectangle rect = new Rectangle();
            rect.Height = iHeight;
            rect.Width = iWidth;
            CBSEImgClr pBSEImageIn = new CBSEImgClr(rect);
            CBSEImgClr pBSEImageOut = new CBSEImgClr(rect);
            
           
            //pBSEImageIn.SetImageRect(rect);
            pBSEImageIn.SetImageData(BSEImage,iWidth, iHeight );
            //pBSEImageOut.SetImageRect(rect);
            if (null == ImgProcPrm)
            {
                return false;
            }

           


            RemoveBackGround(pBSEImageIn, ImgProcPrm, pixelSize ,ref pBSEImageOut);
         

            BSEImageNoBG = pBSEImageOut.GetImageDataPtr();

            return true;
        }
        /// <summary>
        /// 获取测量的BSE图
        /// </summary>
        /// <param name="BSEImage">BSE原数据</param>
        /// <param name="iHeight">图像高度</param>
        /// <param name="iWidth">图像宽度</param>
        /// <param name="grayStart"></param>
        /// <param name="grayEnd"></param>
        /// <param name="BSEImageNoBG">去背景图数据</param>
        /// <returns></returns>
        public bool GetBSEImage(byte[] BSEImage, int iHeight, int iWidth, int grayStart, int grayEnd, ref byte[] BSEImageNoBG)
        {
            Rectangle rect = new Rectangle();
            rect.Height = iHeight;
            rect.Width = iWidth;
            CBSEImgClr pBSEImageIn = new CBSEImgClr(rect);
            CBSEImgClr pBSEImageOut = new CBSEImgClr(rect);

           
            //pBSEImageIn.SetImageRect(rect);
            pBSEImageIn.SetImageData(BSEImage, iWidth, iHeight );



         
            CIntRangeClr cIntRangeClr = new CIntRangeClr();
            cIntRangeClr.SetStart(grayStart);
            cIntRangeClr.SetEnd(grayEnd);
          
            OTSCLRINTERFACE.ImageProForClr imgpro = new OTSCLRINTERFACE.ImageProForClr();
            int num=0;
            imgpro.GetSpecialGrayRangeImage(pBSEImageIn, cIntRangeClr, pBSEImageOut,ref num);
            for (int i = 0; i < iWidth; i++)
            {
                for (int j = 0; j < iHeight; j++)
                {
                    var bse = pBSEImageOut.GetBSEValue(i, j);
                    if (bse == 255)
                    {
                        var originalBse = pBSEImageIn.GetBSEValue(i, j);
                        pBSEImageOut.SetBSEValue(i, j, originalBse);
                    }
                    else 
                    {
                        pBSEImageOut.SetBSEValue(i, j, 255);
                    }
                  
                
                }
            
            }
            

            BSEImageNoBG = pBSEImageOut.GetImageDataPtr();

            return true;
        }
        // remove background
        public void RemoveBackGround(CBSEImgClr a_pImgIn, COTSImageProcParam a_pImgProcessParam, double a_pixelSize, ref CBSEImgClr a_pImgOut)
        {
       

            List<COTSParticleClr> parts = new List<COTSParticleClr>();
            List<COTSParticleClr> specialGreyparts = new List<COTSParticleClr>();
            if (!RemoveBGAndGetParts(a_pImgIn, a_pImgProcessParam, a_pixelSize, ref parts))
            {
                return;
            }

            if (a_pImgProcessParam.GetSpecialGreyRangeParam().GetIsToRun())
            {
                var param = a_pImgProcessParam.GetSpecialGreyRangeParam();
                var ranges = param.GetSpecialGreyRanges();
              
                
                foreach (var r in ranges)
                {
                    CIntRangeClr r1 = new CIntRangeClr();
                    r1.SetStart(r.range.GetStart());
                    r1.SetEnd(r.range.GetEnd());

                    CDoubleRangeClr r2 = new CDoubleRangeClr();
                    r2.SetStart(r.diameterRange.GetStart());
                    r2.SetEnd(r.diameterRange.GetEnd());

                    GetParticlesBySpecialGray(a_pImgIn, r1, r2, a_pixelSize, ref specialGreyparts);
                }
              
            }


            for (int i = 0; i < a_pImgOut.GetWidth(); i++)
            {
                for (int j = 0; j < a_pImgOut.GetHeight(); j++)
                {
                    a_pImgOut.SetBSEValue(i, j, 255);
                }
            }
            if (specialGreyparts.Count > 0)
            {
                foreach (var p in specialGreyparts)
                {
                    foreach (var s in p.GetFeature().GetSegmentsList())
                    {
                        for (int i = s.GetStart(); i < s.GetStart() + s.GetLength(); i++)
                        {
                            var bseValue = a_pImgIn.GetBSEValue(i, s.GetHeight());
                            a_pImgOut.SetBSEValue(i, s.GetHeight(), bseValue);
                        }
                    }

                }

            }


            foreach (var p in parts)
            {
                foreach (var s in p.GetFeature().GetSegmentsList())
                {
                    for (int i = s.GetStart(); i < s.GetStart() + s.GetLength(); i++)
                    {
                        var bseValue = a_pImgIn.GetBSEValue(i, s.GetHeight());
                        a_pImgOut.SetBSEValue(i, s.GetHeight(), bseValue);
                    }
                }
            
            }
           
          
          
            return;
        }
        public void BDilate3(string source, string target, int wDegree, int rows, int columns)
        {
            throw new NotImplementedException();
        }

        public void BErode3(string source, string target, int wDegree, int rows, int columns)
        {
            throw new NotImplementedException();
        }

        public bool CalParticleImageProp( COTSParticleClr part, double a_pixelSize)
        {
            OTSCLRINTERFACE.ImageProForClr imgpro = new OTSCLRINTERFACE.ImageProForClr();
            imgpro.CalcuParticleImagePropertes(part,a_pixelSize);
            
            return true;
        }

 

        public bool RemoveBGAndGetParts(CBSEImgClr img, COTSImageProcParam a_pImgProcessParam,double a_pixelSize,ref List<COTSParticleClr> parts)
        {
            
            OTSCLRINTERFACE.ImageProForClr imgpro = new OTSCLRINTERFACE.ImageProForClr();
         
            OTSCLRINTERFACE.COTSImgProcPrmClr prm = GetImageProcPrmClr(a_pImgProcessParam);
            OTSCLRINTERFACE.COTSFieldDataClr flddataclr = new OTSCLRINTERFACE.COTSFieldDataClr();
            if (!imgpro.GetFieldDataFromImage(img, prm, a_pixelSize, flddataclr))
            {
                return false;
            }
            
            parts = flddataclr.GetParticleList();
            return true;

        }
        public bool GetParticlesBySpecialGray(CBSEImgClr img, CIntRangeClr grayrange, CDoubleRangeClr diameterRange,double a_pixelSize, ref List<COTSParticleClr> parts)
        {
            OTSCLRINTERFACE.ImageProForClr imgpro = new OTSCLRINTERFACE.ImageProForClr();

            //OTSCLRINTERFACE.COTSImgProcPrmClr prm = GetImageProcPrmClr(a_pImgProcessParam);
            OTSCLRINTERFACE.COTSFieldDataClr flddataclr = new OTSCLRINTERFACE.COTSFieldDataClr();
            imgpro.GetParticlesBySpecialPartGrayRange(img, grayrange,diameterRange,a_pixelSize, flddataclr);

            parts = flddataclr.GetParticleList();
            return true;

        }
        private COTSImgProcPrmClr GetImageProcPrmClr(COTSImageProcParam a_oSource)
        {

            COTSImgProcPrmClr prmclr = new COTSImgProcPrmClr();
            OTSCLRINTERFACE.CDoubleRangeClr r1 = new OTSCLRINTERFACE.CDoubleRangeClr(a_oSource.GetIncAreaRange().GetStart(), a_oSource.GetIncAreaRange().GetEnd());
            prmclr.SetIncArea(r1);
            OTSCLRINTERFACE.CIntRangeClr r2= new OTSCLRINTERFACE.CIntRangeClr(a_oSource.GetBGGray().GetStart(), a_oSource.GetBGGray().GetEnd());
            prmclr.SetBGGray(r2);
            OTSCLRINTERFACE.CIntRangeClr r3= new OTSCLRINTERFACE.CIntRangeClr(a_oSource.GetParticleGray().GetStart(), a_oSource.GetParticleGray().GetEnd());
            prmclr.SetParticleGray(r3);
            prmclr.SetBGRemoveType((int)a_oSource.GetBGRemoveType());
            prmclr.SetAutoBGRemoveType((int)a_oSource.GetAutoBGRemoveType());
            prmclr.SetErrodDilateParam(a_oSource.GetErrodDilateParam());

            return prmclr;
        }

        public bool MergeBigBoundaryParticles(List<COTSFieldData> allFields, double pixelSize, int scanFieldSize, Size ResolutionSize, ref List<COTSParticleClr> mergedParts)
        {
            List<COTSFieldDataClr> fldclrs = new List<COTSFieldDataClr>();
            foreach (var f in allFields)
            {
                COTSFieldDataClr fldclr = new COTSFieldDataClr();
                PointF p1 = f.GetOTSPosition();
                Point p2 = new Point((int)p1.X, (int)p1.Y);
                fldclr.SetPosition(p2);
                fldclr.SetImageWidth(f.Width);
                fldclr.SetImageHeight(f.Height);
                var parts = f.GetListAnalysisParticles();
                foreach (var p in parts)
                {
                    fldclr.AddParticle(p);
                }
                fldclrs.Add(fldclr);
            }
            OTSCLRINTERFACE.ImageProForClr imgpro = new OTSCLRINTERFACE.ImageProForClr();

            imgpro.MergeBigBoundaryParticles(fldclrs, pixelSize, scanFieldSize, ResolutionSize, mergedParts);
            return true;

        }
       


    }
}