[游戏学习24] MFC 各种绘图 字体学习

>_<:这里包含字体设置及各种绘图，只要稍微看一下代码就能理解，这里不多介绍

>_<:Hello.h

 #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();
 };

>_<:Hello.cpp

 #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);

 }