实验一

实验一框架窗口程序和GDI图形程序设计一、实验目的：熟悉在Visual C++ 6.0 IDE中编辑、编译、调试和运行一个实际窗口式应用程序的步骤和方法；理解并掌握VC++的API编程步骤与方法；能进行简单的Windows绘图程序设计；提高实际动手能力。

二、实验内容：1、在“框架窗口”示例代码的基础上，分别调用系统定义的四种笔样式PS_DOT,PS_DASHDOT,PS_DASHDOTDOT,PS_DASH画出四个圆，看看有什么差别。

然后调用系统定义的六中实画刷画出圆角矩形，调用系统定义的六种阴影画刷来画出圆角矩形并调试与运行。

2、或编程实现奥运五环图的绘制。

三、核心代码：1、、#include"windows.h"#include"math.h"LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);int WINAPI WinMain(HINSTANCE hInstance,HINSTANCEhPrevInst,LPSTRlpszCmdLine,intnCmdShow){HWND hwnd;WNDCLASS wc;MSG msg;wc.style=0;wc.lpfnWndProc=WndProc;wc.cbClsExtra=0;wc.cbWndExtra=0;wc.hInstance=hInstance;wc.hIcon=LoadIcon(NULL,IDI_APPLICATION);wc.hCursor=LoadCursor(NULL,IDC_ARROW);wc.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);wc.lpszMenuName=NULL;wc.lpszClassName="1";RegisterClass(&wc);hwnd=CreateWindow("1","7",WS_OVERLAPPEDWINDOW|WS_BORDER|WS_VSCROLL,CW_USEDEFAULT,CW_USEDEFAULT,CW_US EDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);ShowWindow(hwnd,nCmdShow);UpdateWindow(hwnd);while(GetMessage(&msg,NULL,0,0)){TranslateMessage(&msg);DispatchMessage(&msg);}returnmsg.wParam;}LRESULT CALLBACK WndProc(HWND hwnd,UINTmessage,WPARAMwParam,LPARAMlParam){HDC hdc;PAINTSTRUCT ps;HBRUSH hbrush;HPEN hpen;switch(message){case WM_PAINT :hdc=BeginPaint(hwnd,&ps);hpen=CreatePen(PS_DOT,0,RGB(255,0,0));SelectObject(hdc,hpen);Arc(hdc,100,100,200,200,200,150,200,150);hpen=CreatePen(PS_DASHDOT,0,RGB(0,255,0));SelectObject(hdc,hpen);Arc(hdc,220,100,320,200,320,150,320,150);hpen=CreatePen(PS_DASHDOTDOT,0,RGB(0,0,255));SelectObject(hdc,hpen);Arc(hdc,340,100,440,200,440,150,440,150);hpen=CreatePen(PS_DASH,0,RGB(0,255,255));SelectObject(hdc,hpen);Arc(hdc,460,100,560,200,560,150,560,150);hpen=(HPEN)GetStockObject(WHITE_PEN);SelectObject(hdc,hpen);hbrush=CreateSolidBrush(RGB(255,0,0));SelectObject(hdc,hbrush);Pie(hdc,100,550,200,650,200,600,100+50-long(50*sqrt(3)/3),550);hbrush=CreateSolidBrush(RGB(255,255,0));SelectObject(hdc,hbrush);Pie(hdc,100,550,200,650,100+50-long(50*sqrt(3)/3),550,100+50-long(50*sqrt(3)/3),650);hbrush=CreateSolidBrush(RGB(0,0,255));SelectObject(hdc,hbrush);Pie(hdc,100,550,200,650,100+50-long(50*sqrt(3)/3),650,200,600); hpen=(HPEN)GetStockObject(BLACK_PEN);SelectObject(hdc,hpen);hbrush=(HBRUSH)GetStockObject(BLACK_BRUSH);SelectObject(hdc,hbrush);RoundRect(hdc,100,250,200,350,30,30);hbrush=(HBRUSH)GetStockObject(DKGRAY_BRUSH);SelectObject(hdc,hbrush);RoundRect(hdc,220,250,320,350,30,30);hbrush=(HBRUSH)GetStockObject(GRAY_BRUSH);SelectObject(hdc,hbrush);RoundRect(hdc,340,250,440,350,30,30);hbrush=(HBRUSH)GetStockObject(LTGRAY_BRUSH);SelectObject(hdc,hbrush);RoundRect(hdc,460,250,560,350,30,30);hbrush=(HBRUSH)GetStockObject(WHITE_BRUSH);SelectObject(hdc,hbrush);RoundRect(hdc,580,250,680,350,30,30);hbrush=(HBRUSH)GetStockObject(NULL_BRUSH);SelectObject(hdc,hbrush);RoundRect(hdc,700,250,800,350,30,30);hbrush=CreateHatchBrush(HS_BDIAGONAL,RGB(255,0,0));SelectObject(hdc,hbrush);RoundRect(hdc,100,400,200,500,30,30);hbrush=CreateHatchBrush(HS_DIAGCROSS,RGB(0,255,0));SelectObject(hdc,hbrush);RoundRect(hdc,220,400,320,500,30,30);hbrush=CreateHatchBrush(HS_FDIAGONAL,RGB(0,0,255));SelectObject(hdc,hbrush);RoundRect(hdc,340,400,440,500,30,30);hbrush=CreateHatchBrush(HS_CROSS,RGB(255,255,0));SelectObject(hdc,hbrush);RoundRect(hdc,460,400,560,500,30,30);hbrush=CreateHatchBrush(HS_HORIZONTAL,RGB(255,0,255));SelectObject(hdc,hbrush);RoundRect(hdc,580,400,680,500,30,30);hbrush=CreateHatchBrush(HS_VERTICAL,RGB(0,255,255));SelectObject(hdc,hbrush);RoundRect(hdc,700,400,800,500,30,30);EndPaint(hwnd,&ps);break;case WM_DESTROY :PostQuitMessage(0);default:returnDefWindowProc(hwnd,message,wParam,lParam);}return 0;}2、五环#include "windows.h"LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);int WINAPI WinMain(HINSTANCEhInstance,HINSTANCEhPrevInstance,LPSTRlpszCmdLine,intnCmdShow){HWND hwnd;MSG Msg;WNDCLASS wndclass;char lpszClassName[]="窗口";charlpszTitle[]="My_Windows";wndclass.style=0;wndclass.lpfnWndProc=WndProc;wndclass.cbClsExtra=0;wndclass.cbWndExtra=0;wndclass.hInstance=hInstance;wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);wndclass.lpszMenuName=NULL;wndclass.lpszClassName=lpszClassName;if (!RegisterClass(&wndclass) ){MessageBeep(0);return false;}hwnd=CreateWindow(lpszClassName,lpszTitle,WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,0,CW_USEDEFAULT,0,NULL,NULL,hInstance,NULL);ShowWindow(hwnd,nCmdShow);UpdateWindow(hwnd);while(GetMessage(&Msg,NULL,0,0)){TranslateMessage(&Msg);DispatchMessage(&Msg);}returnMsg.wParam;}LRESULT CALLBACK WndProc(HWND hwnd,UINTmessage,WPARAMwParam,LPARAMIParam) {HDC hdc;HPEN hp;PAINTSTRUCT ps;switch(message){case WM_PAINT:hdc=BeginPaint(hwnd,&ps);SetMapMode(hdc,MM_TEXT);hp=CreatePen(PS_SOLID,5,RGB(0,0,255));SelectObject(hdc,hp);Arc(hdc,50,50,250,250,150,50,150,50);Sleep(100);hp=CreatePen(PS_SOLID,5,RGB(255,255,0));SelectObject(hdc,hp);Arc(hdc,160,150,360,350,260,150,260,150);hp=CreatePen(PS_SOLID,5,RGB(0,0,255));SelectObject(hdc,hp);Arc(hdc,50,50,250,250,210,230,250,150);Sleep(100);hp=CreatePen(PS_SOLID,5,RGB(0,0,0));SelectObject(hdc,hp);Arc(hdc,270,50,470,250,370,50,370,50);hp=CreatePen(PS_SOLID,5,RGB(255,255,0));SelectObject(hdc,hp);Arc(hdc,160,150,360,350,320,170,260,150);Sleep(100);hp=CreatePen(PS_SOLID,5,RGB(0,255,0));SelectObject(hdc,hp);Arc(hdc,380,150,580,350,480,150,480,150);hp=CreatePen(PS_SOLID,5,RGB(0,0,0));SelectObject(hdc,hp);Arc(hdc,270,50,470,250,450,210,470,150);Sleep(100);hp=CreatePen(PS_SOLID,5,RGB(255,0,0));SelectObject(hdc,hp);Arc(hdc,490,50,690,250,590,50,590,50);hp=CreatePen(PS_SOLID,5,RGB(0,255,0));SelectObject(hdc,hp);Arc(hdc,380,150,580,350,560,190,480,150);break;case WM_DESTROY:PostQuitMessage(0);default:returnDefWindowProc(hwnd,message,wParam,IParam);}return 0;}四、实验心得：通过本次实验，掌握了windows基本的绘图工具，和windows应用程序基本步骤和方法。