myctrl.cpp

本程序是一个最近邻分类算法的演示程序

// MYCTRL.cpp : implementation file
//

#include "stdafx.h"
#include "最近邻法分类器.h"
#include "MYCTRL.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMYCTRL

CMYCTRL::CMYCTRL()
{
	for(int i=0;i<45;i++)
	{
		flag[i]=false;
	}
	start=end=0; movef=false;mf=false;textf=false; falg1=false;falg2=false;flagf=false;
	//person=new CDpersonINfo(this);
//
}

CMYCTRL::~CMYCTRL()
{
}


BEGIN_MESSAGE_MAP(CMYCTRL, CListCtrl)
	//{{AFX_MSG_MAP(CMYCTRL)
	ON_WM_ERASEBKGND()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMYCTRL message handlers
void CMYCTRL::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
	//从lpDrawItemStruct获取控件的相关信息
	
	if(textf)
	{
		int j;
		int col=GetHeaderCtrl( )->GetItemCount();
        int ROWS = GetItemCount();
		CDC *pDC=CDC::FromHandle(lpDrawItemStruct->hDC);
	int nSaveDC=pDC->SaveDC();
		UINT state = lpDrawItemStruct->itemState;	
	textf=false;
        CRect rect2;
        GetItemRect( count, rect2, LVIR_BOUNDS    );
       int templ=rect2.Width()/10;
       if(flag[count])
	   {
         for(int i1=0;i1<10;i1++)
		 {
          CRect rect3;
	      rect3.top=rect2.top;
	      rect3.bottom=rect2.bottom;
	      rect3.left=rect2.left+i1*templ;
	      rect3.right=rect3.left+templ;
	      pDC->FillSolidRect(&rect3, RGB(255, 230+i1, 189+i1));

		 }
	   }
     else
	 {
	   for(int i1=0;i1<10;i1++)
	   {
        CRect rect3;
	    rect3.top=rect2.top;
	    rect3.bottom=rect2.bottom;
	    rect3.left=rect2.left+i1*templ;
	    rect3.right=rect3.left+templ;
	    pDC->FillSolidRect(&rect3, RGB(194+2*i1,218+2*i1,249));

	   }
	 }
for(j=0;j<col;j++)
   {
     CRect rect1;
	 GetSubItemRect(count,j,LVIR_BOUNDS   ,rect1);
     pDC->SelectStockObject(BLACK_PEN);
	 if(count==0)
	 {
      pDC->MoveTo(rect1.left, rect1.top);
      pDC->LineTo(rect1.left, rect1.bottom);
      pDC->LineTo(rect1.right, rect1.bottom);
      pDC->LineTo(rect1.right, rect1.top);
	 }
	 else
	 {
		 if(count==ROWS-1)
		 {
       pDC->MoveTo(rect1.left, rect1.bottom);
     pDC->LineTo(rect1.left, rect1.top);
     pDC->LineTo(rect1.right, rect1.top);
      pDC->LineTo(rect1.right, rect1.bottom);

		 }
		 else
		 {
          pDC->MoveTo(rect1.left, rect1.bottom);
          pDC->LineTo(rect1.left, rect1.top);
          pDC->LineTo(rect1.right, rect1.top);
          pDC->LineTo(rect1.right, rect1.bottom);
          pDC->LineTo(rect1.left, rect1.bottom);
		 }
	 }
   }
	 //////////////////////////////
for (j=0;j<col;j++)
	 {
	 CRect rect;
	 
     if(j==0)
	 {
GetSubItemRect(count,j+1,LVIR_BOUNDS   ,rect);
rect.right=rect.left;rect.left=0;
	 }
	 else
GetSubItemRect(count,j,LVIR_BOUNDS   ,rect);
	 CString strText=GetItemText(count,j);

     if (!strText.IsEmpty( ))
	 {
		CFont* hFont = GetFont();
		CFont* hOldFont = pDC->SelectObject(hFont);
		CSize szExtent = pDC->GetTextExtent(strText, lstrlen(strText));
		CPoint pt( rect.CenterPoint().x - szExtent.cx / 2, rect.CenterPoint().y - szExtent.cy / 2);
		if (state & ODS_SELECTED) 
			pt.Offset(1, 1);
		int nMode = pDC->SetBkMode(TRANSPARENT);
		if (state & ODS_DISABLED)
			pDC->DrawState(pt, szExtent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
		else
			pDC->DrawState(pt, szExtent, strText, DSS_NORMAL, TRUE, 0, (HBRUSH)NULL);
		pDC->SelectObject(hOldFont);
		pDC->SetBkMode(nMode);
	 }
	 }	
	 /////////////////////////////////
	return;
	}
	
	int i,j;
	CRect rect =  lpDrawItemStruct->rcItem;
	CDC *pDC=CDC::FromHandle(lpDrawItemStruct->hDC);
	int nSaveDC=pDC->SaveDC();
	UINT state = lpDrawItemStruct->itemState;
    int col=GetHeaderCtrl( )->GetItemCount();
    int ROWS = GetItemCount();
	if(start==0&&end==0)
	{
		
     for(i=0;i<ROWS;i++)
	 {
  
	   CRect rect2;
       GetItemRect( i, rect2, LVIR_BOUNDS    );
       int templ=rect2.Width()/10;
       if(flag[i])
	   {
         for(int i1=0;i1<10;i1++)
		 {
          CRect rect3;
	      rect3.top=rect2.top;
	      rect3.bottom=rect2.bottom;
	      rect3.left=rect2.left+i1*templ;
	      rect3.right=rect3.left+templ;
	      pDC->FillSolidRect(&rect3, RGB(255, 230+i1, 189+i1));

		 }
	   }
     else
	 {
	   for(int i1=0;i1<10;i1++)
	   {
        CRect rect3;
	    rect3.top=rect2.top;
	    rect3.bottom=rect2.bottom;
	    rect3.left=rect2.left+i1*templ;
	    rect3.right=rect3.left+templ;
	    pDC->FillSolidRect(&rect3, RGB(194+2*i1,218+2*i1,249));

	   }
	 }
   for(j=0;j<col;j++)
   {
     CRect rect1;
	 GetSubItemRect(i,j,LVIR_BOUNDS   ,rect1);
     pDC->SelectStockObject(BLACK_PEN);
	 if(i==0)
	 {
      pDC->MoveTo(rect1.left, rect1.top);
      pDC->LineTo(rect1.left, rect1.bottom);
      pDC->LineTo(rect1.right, rect1.bottom);
      pDC->LineTo(rect1.right, rect1.top);
	 }
	 else
	 {
		 if(i==ROWS-1)
		 {
       pDC->MoveTo(rect1.left, rect1.bottom);
     pDC->LineTo(rect1.left, rect1.top);
     pDC->LineTo(rect1.right, rect1.top);
      pDC->LineTo(rect1.right, rect1.bottom);

		 }
		 else
		 {
          pDC->MoveTo(rect1.left, rect1.bottom);
          pDC->LineTo(rect1.left, rect1.top);
          pDC->LineTo(rect1.right, rect1.top);
          pDC->LineTo(rect1.right, rect1.bottom);
          pDC->LineTo(rect1.left, rect1.bottom);
		 }
	 }
   }
}
	for(i=0;i<ROWS;i++)
	{
     for (j=0;j<col;j++)
	 {
	 CRect rect1;
	 
     if(j==0)
	 {
GetSubItemRect(i,j+1,LVIR_BOUNDS   ,rect);
rect.right=rect.left;rect.left=0;
	 }
	 else
GetSubItemRect(i,j,LVIR_BOUNDS   ,rect);
	 CString strText=GetItemText(i,j);

     if (!strText.IsEmpty( ))
	 {
		CFont* hFont = GetFont();
		CFont* hOldFont = pDC->SelectObject(hFont);
		CSize szExtent = pDC->GetTextExtent(strText, lstrlen(strText));
		CPoint pt( rect.CenterPoint().x - szExtent.cx / 2, rect.CenterPoint().y - szExtent.cy / 2);
		if (state & ODS_SELECTED) 
			pt.Offset(1, 1);
		int nMode = pDC->SetBkMode(TRANSPARENT);
		if (state & ODS_DISABLED)
			pDC->DrawState(pt, szExtent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
		else
			pDC->DrawState(pt, szExtent, strText, DSS_NORMAL, TRUE, 0, (HBRUSH)NULL);
		pDC->SelectObject(hOldFont);
		pDC->SetBkMode(nMode);
	 }
	 }	
	}
}
	else
	{
		if(start!=0)
		{
           CRect rect2;
           GetItemRect(start-1, rect2, LVIR_BOUNDS    );
		   int templ=rect2.Width()/10;
           for(int i1=0;i1<10;i1++)
		   {
            CRect rect3;
	        rect3.top=rect2.top;
	        rect3.bottom=rect2.bottom;
	        rect3.left=rect2.left+i1*templ;
	        rect3.right=rect3.left+templ;
	        pDC->FillSolidRect(&rect3, RGB(255, 230+i1, 189+i1));

		   }
           for(j=0;j<col;j++)
		   {
             CRect rect1;
	         GetSubItemRect(start-1,j,LVIR_BOUNDS   ,rect1);
             pDC->SelectStockObject(BLACK_PEN);
	         if(start==1)
			 {
             pDC->MoveTo(rect1.left, rect1.top);
             pDC->LineTo(rect1.left, rect1.bottom);
             pDC->LineTo(rect1.right, rect1.bottom);
             pDC->LineTo(rect1.right, rect1.top);
			 }
	          else
			  {
		       if(start==ROWS)
			   {
                pDC->MoveTo(rect1.left, rect1.bottom);
                pDC->LineTo(rect1.left, rect1.top);
                pDC->LineTo(rect1.right, rect1.top);
                pDC->LineTo(rect1.right, rect1.bottom);

			   }
		       else
			   {
                pDC->MoveTo(rect1.left, rect1.bottom);
                  pDC->LineTo(rect1.left, rect1.top);
                pDC->LineTo(rect1.right, rect1.top);
                pDC->LineTo(rect1.right, rect1.bottom);
                 pDC->LineTo(rect1.left, rect1.bottom);
			  }
			  }
		   }
           for (j=0;j<col;j++)
	 {
	 CRect rect1;
	 if(j==0)
	 {
GetSubItemRect(start-1,j+1,LVIR_BOUNDS   ,rect);
rect.right=rect.left;rect.left=0;
	 }
else
	 GetSubItemRect(start-1,j,LVIR_BOUNDS   ,rect);
     CString strText=GetItemText(start-1,j);

     if (!strText.IsEmpty( ))
	 {
		CFont* hFont = GetFont();
		CFont* hOldFont = pDC->SelectObject(hFont);
		CSize szExtent = pDC->GetTextExtent(strText, lstrlen(strText));
		CPoint pt( rect.CenterPoint().x - szExtent.cx / 2, rect.CenterPoint().y - szExtent.cy / 2);
		if (state & ODS_SELECTED) 
			pt.Offset(1, 1);
		int nMode = pDC->SetBkMode(TRANSPARENT);
		if (state & ODS_DISABLED)
			pDC->DrawState(pt, szExtent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
		else
			pDC->DrawState(pt, szExtent, strText, DSS_NORMAL, TRUE, 0, (HBRUSH)NULL);
		pDC->SelectObject(hOldFont);
		pDC->SetBkMode(nMode);
	 }
	 }	
		}
		if(end!=0)
		{
            CRect rect2;
           GetItemRect(end-1, rect2, LVIR_BOUNDS    );
           int templ=rect2.Width()/10;
           for(int i1=0;i1<10;i1++)
		   {
            CRect rect3;
	        rect3.top=rect2.top;
	        rect3.bottom=rect2.bottom;
	        rect3.left=rect2.left+i1*templ;
	        rect3.right=rect3.left+templ;
	        pDC->FillSolidRect(&rect3, RGB(194+2*i1,218+2*i1,249));

		   }
           for(j=0;j<col;j++)
		   {
             CRect rect1;
	         GetSubItemRect(end-1,j,LVIR_BOUNDS   ,rect1);
             pDC->SelectStockObject(BLACK_PEN);
	         if(end-1==0)
			 {
             pDC->MoveTo(rect1.left, rect1.top);
             pDC->LineTo(rect1.left, rect1.bottom);
             pDC->LineTo(rect1.right, rect1.bottom);
             pDC->LineTo(rect1.right, rect1.top);
			 }
	          else
			  {
		       if(end==ROWS)
			   {
                pDC->MoveTo(rect1.left, rect1.bottom);
                pDC->LineTo(rect1.left, rect1.top);
                pDC->LineTo(rect1.right, rect1.top);
                pDC->LineTo(rect1.right, rect1.bottom);

			   }
		       else
			   {
                pDC->MoveTo(rect1.left, rect1.bottom);
                  pDC->LineTo(rect1.left, rect1.top);
                pDC->LineTo(rect1.right, rect1.top);
                pDC->LineTo(rect1.right, rect1.bottom);
                 pDC->LineTo(rect1.left, rect1.bottom);
			  }
			  }
		   }
           for (j=0;j<col;j++)
	 {
	 CRect rect1;
	 if(j==0)
	 {
GetSubItemRect(end-1,j+1,LVIR_BOUNDS   ,rect);
rect.right=rect.left;rect.left=0;
	 }
else
	 GetSubItemRect(end-1,j,LVIR_BOUNDS   ,rect);
     CString strText=GetItemText(end-1,j);

     if (!strText.IsEmpty( ))
	 {
		CFont* hFont = GetFont();
		CFont* hOldFont = pDC->SelectObject(hFont);
		CSize szExtent = pDC->GetTextExtent(strText, lstrlen(strText));
		CPoint pt( rect.CenterPoint().x - szExtent.cx / 2, rect.CenterPoint().y - szExtent.cy / 2);
		if (state & ODS_SELECTED) 
			pt.Offset(1, 1);
		int nMode = pDC->SetBkMode(TRANSPARENT);
		if (state & ODS_DISABLED)
			pDC->DrawState(pt, szExtent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
		else
			pDC->DrawState(pt, szExtent, strText, DSS_NORMAL, TRUE, 0, (HBRUSH)NULL);
		pDC->SelectObject(hOldFont);
		pDC->SetBkMode(nMode);
	 }
	 }	
		}
	 
	}
	pDC->RestoreDC(nSaveDC);
}

void CMYCTRL::PreSubclassWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	
	CListCtrl::PreSubclassWindow();
    ModifyStyle(0,LVS_OWNERDRAWFIXED ); 
}



BOOL CMYCTRL::OnEraseBkgnd(CDC* pDC) 
{
	// TODO: Add your message handler code here and/or call default
	
	return false;
}



BOOL CMYCTRL::PreCreateWindow(CREATESTRUCT& cs) 
{
	// TODO: Add your specialized code here and/or call the base class
	//
	return CListCtrl::PreCreateWindow(cs);
}