#include<afxwin.h>

 class CMyApp:public CWinApp

 {

 public:

     virtual BOOL InitInstance();

 };

 class CMainWindow:public CFrameWnd

 {

 public:

     CMainWindow();

 protected:

     afx_msg void OnPaint();

     afx_msg void OnLButtonDown(UINT m_nFlags,CPoint point);

     DECLARE_MESSAGE_MAP();

 };

 #include<afxwin.h>

 #include<math.h>

 #include"Hello.h"

 #define SEGMENTS 500

 #define PI 3.1415926

 int PenStyle[]={PS_SOLID,PS_DASH,PS_DOT,PS_DASHDOT,PS_DASHDOTDOT,PS_NULL,PS_INSIDEFRAME};//实线\宽\窄\宽+窄\宽+2窄\没有\实线不外伸

 int PenNum=;

 int BrushStye[]={HS_BDIAGONAL,HS_FDIAGONAL,HS_CROSS,HS_HORIZONTAL,HS_DIAGCROSS,HS_VERTICAL};//45\135\90交叉\0\45交叉\90

 int BrushNum=;

 CMyApp myApp;

 //////////////////////////////////////////////

 //CMyApp member function

 BOOL CMyApp::InitInstance()                   //初始化函数

 {

     m_pMainWnd=new CMainWindow;

     m_pMainWnd->ShowWindow(m_nCmdShow);

     m_pMainWnd->UpdateWindow();

     return TRUE;

 }

 /////////////////////////////////////////////

 //CMainWindow message map and member function

 BEGIN_MESSAGE_MAP(CMainWindow,CFrameWnd)           //消息映射

     ON_WM_PAINT()

     ON_WM_LBUTTONDOWN()

 END_MESSAGE_MAP()

 CMainWindow::CMainWindow()      //创建窗口

 {

     Create(NULL,_T("The Hello"),WS_OVERLAPPED,CRect(,,,));//CFrameWnd下的成员函数8个参数，6个默认

 }                               //这个参数产生垂直滚动条

 void CMainWindow::OnPaint()

 {

     CRect rect;

     GetClientRect(&rect);

     /*72点，Arial，并带有下拉阴影生成的“Hello MFC"

     CFont font;

     font.CreatePointFont(720,_T("Arial"));//创建72点，Arial字体

     CPaintDC dc(this);

     dc.SelectObject(&font);

     dc.SetBkMode(TRANSPARENT);//背景模式 设为透明

     CString string=_T("Hello MFC");

     rect.OffsetRect(16,16);//从窗口中心向右向下偏移几个像素点的位置

     dc.SetTextColor(RGB(192,192,192));

     dc.DrawText(string,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);

     rect.OffsetRect(-16,-16);

     dc.SetTextColor(RGB(0,0,0));

     dc.DrawText(string,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);//单行、水平、竖直居中的文本

     */

     /*LOFGFONT 自定义字体 呈现出旋转效果

     CPaintDC dc(this);

     dc.SetViewportOrg(rect.Width()/2,rect.Height()/2);

     dc.SetBkMode(TRANSPARENT);

     for(int i=0;i<3600;i+=360){

         LOGFONT lf;//自己创建一种字体

         ::ZeroMemory (&lf,sizeof(lf));

         lf.lfHeight=180;     //26个像素点

         lf.lfWeight=FW_BOLD; //粗黑

         //lf.lfItalic=TRUE;    //倾斜

         lf.lfEscapement=i;     //配合使用每次旋转36度

         lf.lfOrientation=i;

         ::lstrcpy(lf.lfFaceName,_T("Arial"));

         CFont font;

         font.CreatePointFontIndirect(&lf);

         CFont* pOldFont=dc.SelectObject(&font);

         dc.TextOutA(0,0,CString(_T("Hello,MFC")));

         dc.SelectObject(pOldFont);

     }

     */

 }

 void CMainWindow::OnLButtonDown(UINT m_nFlags,CPoint point)//点击鼠标左键画图

 {

     //CClientDC dc(this);

     CPaintDC dc(this);

     CRect rect;

     GetClientRect(&rect);

     dc.Rectangle(rect);

     //dc.SetViewportOrg(rect.Width()/2,rect.Height()/2);

     //dc.SetROP2(R2_BLACK);//绘图模式：颜色操作；2.1.3

     //dc.MoveTo(rect.left,rect.top);

     //dc.LineTo(rect.right,rect.bottom);

     //POINT aPoint[5]={0,0,0,100,100,100,100,0,0,0};

     //dc.Polyline(aPoint,5);         //将一系列点用线段连起来

     //POINT bPoint[4]={0,100,100,100,100,0};

     //dc.MoveTo(0,0);

     //dc.PolylineTo(bPoint,4);          //从当前位置开始将一系列的点用线段连起来，并将当前位置移折致折线的终点

     //int nWidth=rect.Width();            //画正弦曲线

     //int nHeight=rect.Height();

     //CPoint aPoint[SEGMENTS];

     //for(int i=0;i<SEGMENTS;i++){

     //    aPoint[i].x=(i*nWidth)/SEGMENTS;

     //    aPoint[i].y=(int)((nHeight/2)*(1-(sin((2*PI*i)/SEGMENTS))));

     //}

     //dc.Polyline(aPoint,SEGMENTS);

     /*画笔的创建和加载

     CPen cPen(PenStyle[(PenNum++)%7],1,RGB(192,0,0));//==cPen.CreatePen(...);

     dc.SelectObject(&cPen);

     CBrush cBrush(BrushStye[(BrushNum++)%6],RGB(255,0,0));

     dc.SelectObject(&cBrush);

     */

     /*扩展笔____必须是通路

     LOGBRUSH lb;

     lb.lbStyle=BS_SOLID;

     lb.lbColor=RGB(0,255,0);

     CPen pen(PS_GEOMETRIC|PenStyle[(PenNum++)%7]|PS_ENDCAP_FLAT|

         PS_JOIN_ROUND,3,&lb);

     CPen* pOldPen=dc.SelectObject(&pen);

     */

     /*画刷原点

     CPoint point(x1,y1);     //矩形左上角的逻辑坐标

     dc.LPtoDP(&point);       //逻辑坐标转换成设备坐标

     point.x %= 8;

     point.y %= 8;

     cBrush.UnrealizeObject();//允许画刷原点移动

     dc.SetBrushOrg(point);   //0~7之间

     dc.SelectObject(&cBrush);

     dc.Rectangle(x1,y1,x2,y2);

     */

     /*建立通路

     dc.BeginPath();

     dc.MoveTo(0,0);

     dc.LineTo(100,200);

     dc.LineTo(200,100);

     dc.CloseFigure();

     dc.EndPath();

     dc.StrokePath();

     */

     /*ARC

     CRect rect0(0,0,200,100);

     CPoint cPoint1(0,0);

     CPoint cPoint2(200,100);

     dc.Rectangle(rect0);

     dc.Arc(rect0,cPoint1,cPoint2);//外接矩形+从中心引出的两个边界线所夹的范围

     dc.MoveTo(0,0);

     dc.LineTo(200,100);

     CRect rect1(0,102,200,202);

     CPoint cPoint3(0,102);

     CPoint cPoint4(200,202);

     dc.Rectangle(rect1);

     dc.ArcTo(rect1,cPoint3,cPoint4);

     CPoint cPointNow=dc.GetCurrentPosition();//终点坐标

     */

     /*纳克

     POINT aPoint1[4]={120,100,120,200,250,150,500,40};

     POINT aPoint2[4]={120,100,50,350,250,200,500,40};

     dc.PolyBezier(aPoint1,4);

     dc.PolyBezier(aPoint2,4);

     */

     //dc.SetMapMode(MM_TEXT);//映射模式2.1.4 按比例缩放输出

     //dc.Ellipse(0,0,100,100);//矩形内切圆（弧）

     //dc.Ellipse(rect.right-100,rect.bottom-100,rect.right,rect.bottom);

     //dc.Ellipse(point.x,point.y,point.x+100,point.y+100);//鼠标位置

     //dc.SetMapMode(MM_ISOTROPIC);//可编程映射模式，自定义比例缩放（MM_ANISOTROPIC单位长度可以不同；MM_ISOTROPIC单位长度相同）

     //dc.SetWindowExt(500,500);     //设置窗口逻辑值为（0，0）到（500，500）

     //dc.SetViewportExt(rect.Width(),rect.Height());

     //dc.Ellipse(0,0,500,500);

 }