附录

主要函数：

// picture中显示图片

void CImageRetrievalDlg::ShowPic(CString pathfile,int idc)

{    

       CBitmap hbmp;

       HBITMAP hbitmap;        

       //将pStatic指向要显示的地方     

       CStatic *pStaic; 

       pStaic=(CStatic*)GetDlgItem(idc);

       //装载资源

       hbitmap=(HBITMAP)::LoadImage (::AfxGetInstanceHandle(),pathfile,                  IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION); 

       hbmp.Attach(hbitmap);      

       //获取图片格式 

       BITMAP bm; 

       hbmp.GetBitmap(&bm);   

       //创建临时的内存DC对象

       CDC dcMem;     

       dcMem.CreateCompatibleDC(GetDC());      

       CBitmap *poldBitmap=(CBitmap*)dcMem.SelectObject(hbmp);            

       CRect lRect; 

       pStaic->GetClientRect(&lRect);      

       lRect.NormalizeRect();

              //显示位图  

       pStaic->GetDC()->StretchBlt(lRect.left ,lRect.top ,lRect.Width(),lRect.Height(),           

              &dcMem,0 ,0,bm.bmWidth,bm.bmHeight,SRCCOPY);     

       dcMem.SelectObject(&poldBitmap);

   

       pStaic->ReleaseDC(&dcMem);

  

}

//打开关键图

void CImageRetrievalDlg::OnOpenImage()

{

       CFileOpen fileOpenDlg(TRUE);

       if (fileOpenDlg.DoModal () != IDOK)   return;         

       //使菜单可用

       CMenu*  mmenu  =  GetMenu();   

    mmenu->EnableMenuItem(ID_START_RETRIEVAL, 0);

       mmenu->EnableMenuItem(ID_STOP_RETRIEVAL, 0 );

       mmenu->EnableMenuItem(ID_SHOW_IM, 0 );

       mmenu->EnableMenuItem(ID_SHOW_IM2, 0 );

       mmenu->EnableMenuItem(ID_SHOW_INFO, 0 );

    // 画格子

       CWnd* pWnd = GetDlgItem(IDC_VIEW1);

       CDC* pDC = pWnd->GetDC();

       pWnd->Invalidate();

       pWnd->UpdateWindow();       

       CPen* pPenRed = new CPen;

       pPenRed->CreatePen(PS_SOLID, 1, RGB(255,0,0));

       CPen* pOldPen = pDC->SelectObject(pPenRed);     

/*    pDC->MoveTo(1,1);        //PictureBox 宽194高172

       pDC->LineTo(1, 172);

       pDC->MoveTo(1,86);

       pDC->LineTo(211,86);

       pDC->MoveTo(97,1);

       pDC->LineTo(97,190);

       pDC->MoveTo(48,1);

       pDC->LineTo(48,190);

       pDC->MoveTo(145,1);

       pDC->LineTo(145,190);

       pDC->MoveTo(1,43);

       pDC->LineTo(211,43);

       pDC->MoveTo(1,129);

       pDC->LineTo(211,129);*/

       //取得文件路径

       POSITION pos = fileOpenDlg.GetStartPosition();

       strfile = fileOpenDlg.GetNextPathName(pos);

       ShowPic(strfile,IDC_VIEW1); 

}

//选择图像库目录

void CImageRetrievalDlg::OnMutiImageIndb()

{

       CString m_strPath;     

       tempi=0;

       //打开通用对话框

       BROWSEINFO browse;

       ZeroMemory(&browse,sizeof(browse));//fills a block of memory with zeros.

       browse.hwndOwner = NULL;

       browse.pszDisplayName = m_strPath.GetBuffer(MAX_PATH);

       browse.lpszTitle = "请选择一个图像目录";

       LPITEMIDLIST lpItem = SHBrowseForFolder(&browse);

       if(lpItem == NULL) return ;

       m_strPath.ReleaseBuffer();

       if(SHGetPathFromIDList(lpItem,m_strPath.GetBuffer(MAX_PATH)) == false) return;

       m_strPath.ReleaseBuffer();

       AfxMessageBox("您选择的目录为:"+m_strPath,MB_ICONINFORMATION|MB_OK); 

       //得到图像目录下文件的路径

       CString tempath;

       CString temps;

       tempath=m_strPath;

       tempath.TrimRight();tempath.TrimLeft(); //去除前后多余

       CString strfilepath=tempath;

       counts=0;

       StartDir(strfilepath);

    temps.Format("该目录下共有%d幅图像!",counts);

    AfxMessageBox(temps,MB_ICONINFORMATION|MB_OK);

       //for (int i = 0; i<counts; i++)

       //{

       //     AfxMessageBox(temp[i],MB_ICONINFORMATION|MB_OK);

       //}

}

//对所有目录查找,取得图像目录下文件路径

void CImageRetrievalDlg::StartDir(const CString& strfile1)

{

       BOOL yesno;

       CFileFind find;     

       char tempFileFind[200];

       sprintf(tempFileFind,"%s\\*.*",strfile1);   

       RunDir(strfile1);

       yesno = (BOOL)find.FindFile(tempFileFind);

       //查找下级目录

       while(yesno)

       {

              yesno = find.FindNextFile();

              if (find.IsDots() != TRUE)

              {

                     char foundFileName[200];

                     strcpy(foundFileName,find.GetFileName().GetBuffer(200));

                    

                     if((find.IsDirectory() == TRUE))

                     {

                            char tempDir[200];

                            sprintf(tempDir,"%s\\%s",strfile1,foundFileName);

                            // 递归调用      

                            StartDir(tempDir);                   

                     }                 

              }

       }  

       find.Close();

       return;

}

//对*.bmp文件查找

void CImageRetrievalDlg::RunDir(const CString& strfile2)

{    

       BOOL yesno;     

       CFileFind find;

       char tempFileFind[200];

       sprintf(tempFileFind,"%s\\*.bmp",strfile2);

       yesno = find.FindFile(tempFileFind);

       while(yesno)

       {

              yesno = find.FindNextFile();

              char foundFileName[200];

              strcpy(foundFileName,find.GetFileName().GetBuffer(200));

              if(!find.IsDots())

              {

                     char tempFileName[200];

                     sprintf(tempFileName,"%s\\%s",strfile2,foundFileName);

            CString strfilepath1;

                     strfilepath1.Format("%s",tempFileName);

                     counts++;

                    

                     temp[tempi] = new CString(strfilepath1);

                     tempi++;                    

              }

       }

       find.Close();

       return;

}

//单个图像特征向量

void CImageRetrievalDlg::OnSingleImageIndb()

{

       CFileOpen fileOpenDlg1(TRUE);

       if (fileOpenDlg1.DoModal () != IDOK)  return;         

       //取得文件路径

       POSITION pos = fileOpenDlg1.GetStartPosition();

       strfile = fileOpenDlg1.GetNextPathName(pos);

      

       AfxMessageBox(strfile);    

}

//显示关键图的直方图

void CImageRetrievalDlg::OnShowIm()

{

       CString imagefilepath = strfile;

    //if (imagefilepath = ' ') {AfxMessageBox("请选择一幅关键图");return;}

       CalculateColor(imagefilepath);   

    HistogramShow(IDC_DLG_HIST_SHOW);

}

//计算颜色直方图

void CImageRetrievalDlg::CalculateColor(CString pathfile)

{

       CBitmap hbmp;

       HBITMAP hbitmap;

   int R,G,B,H,S,V;

       int i,j;     

       hbitmap=(HBITMAP)::LoadImage (::AfxGetInstanceHandle(),pathfile,           IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION);  

       hbmp.Attach(hbitmap);      

       BITMAP bm; 

       hbmp.GetBitmap(&bm);   

       CDC dcMem;     

       dcMem.CreateCompatibleDC(GetDC());      

       dcMem.SelectObject(hbmp);    

       int width=bm.bmWidth/4;

       int height=bm.bmHeight/4;

       COLORREF clr; //定义一个COLORREF结构，因为提取的象素点的颜色是以RGB形式表示的

              int x,y;

       for(int fda=0;fda<4;fda++)

              for(int sda=0;sda<4;sda++)

                     for(int tda=0;tda<256;tda++){

                            Ha[fda][sda][tda]=0;

                     }

       for(int fdb=0;fdb<4;fdb++)

              for(int sdb=0;sdb<4;sdb++)

                     for(int tdb=0;tdb<256;tdb++){

                            Sa[fdb][sdb][tdb]=0;

                     }

       for(int fdc=0;fdc<4;fdc++)

              for(int sdc=0;sdc<4;sdc++)

                     for(int tdc=0;tdc<256;tdc++){

                            Va[fdc][sdc][tdc]=0;

                     }

       for( i=0;i<4;i++)

              for( j=0;j<4;j++)

                     for(int k=0;k<width;k++)

                            for(int l=0;l<height;l++){

                                   x=j*width+l;

                                   y=i*height+k;

                                   clr=dcMem.GetPixel(x,y);

                                   R=GetRValue(clr);

                                   G=GetGValue(clr);

                                   B=GetBValue(clr);

                                   //RGB转HSV

                                   int maxp=max(R,G);

                                   int max=max(maxp,B); 

                                   int minp=min(R,G);

                                   int min=min(minp,B);

                                   if(max!=0) {S=(max-min)/max;} else {S=0;H=-1;break;}  //饱和度

                                   if(max==min) {break;}

                                   if (R == max)                            

                                          H = (G-B)/(max-min);

                                   else if (G == max)

                                          H = 2 + (B-R)/(max-min);                                                                                      else

                                          H = 4 + (R-G)/(max-min); 

                                   H = H * 60 ;

                                   if (H < 0)

                                          H = H + 360 ; //色彩度

                                   V=max;            //亮度  

                                  

                                   Ha[i][j][H]++;

                    Sa[i][j][S]++;                   

                                   Va[i][j][V]++;

                            }

}

//绘置直方图

void CImageRetrievalDlg::HistogramShow(int idc)

{           

       int m;

              CWnd* pWnd = GetDlgItem(idc);// 获取绘制直方图文本框的标签

              // 获取设备上下文

       CDC* pDC = pWnd->GetDC();

       pWnd->Invalidate();

       pWnd->UpdateWindow();

              pDC->Rectangle(0, 0, 367,338);     

              CPen* pPenRed = new CPen;// 创建画笔对象  

              pPenRed->CreatePen(PS_SOLID, 1, RGB(255,0,0));// 创建红色画笔（用于绘制坐标轴）      

              CPen* pOldPen = pDC->SelectObject(pPenRed);// 选入红色画笔，并保存以前的画笔    

              pDC->MoveTo(40,40);// 绘制坐标轴 

              pDC->LineTo(40, 300);// 绘制垂直轴 

              pDC->LineTo(340, 300);// 绘制水平轴

              // 绘制X轴刻度值

       CString strTemp;

       strTemp.Format("0");

       pDC->TextOut(40, 303, strTemp);

       strTemp.Format("50");

       pDC->TextOut(90, 303, strTemp);

       strTemp.Format("100");

       pDC->TextOut(140, 303, strTemp);

       strTemp.Format("150");

       pDC->TextOut(190, 303, strTemp);

       strTemp.Format("200");

       pDC->TextOut(240, 303, strTemp);

       strTemp.Format("255");

       pDC->TextOut(295, 303, strTemp);

              // 绘制X轴刻度

       for (m = 0; m < 256; m += 5)

       {

              if ((m & 1) == 0)

              {

                     // 10的倍数

                     pDC->MoveTo(m + 40, 303);

                     pDC->LineTo(m + 40, 307);

              }

              else

              {

                     // 5的奇数倍数

                     pDC->MoveTo(m + 40, 303);

                     pDC->LineTo(m + 40, 310);

              }

       }

              // 绘制X轴箭头

       pDC->MoveTo(335,295);

       pDC->LineTo(340,300);

       pDC->LineTo(335,305);

              // 绘制Y轴箭头

       pDC->MoveTo(40,40);

       pDC->LineTo(35,45);

       pDC->MoveTo(40,40);

       pDC->LineTo(45,45);

      

       LONG lMaxCount = 0;// 直方图中最大计数值

              // 计算最大计数值

       for (m = 0; m <= 255; m ++)

       {           

              // 判断是否大于当前最大值

              if (Ha[1][1][m] > lMaxCount)