//windows.h文件中包含应用程序中所需的数据类型和数据结构的定义 #include <windows.h> #include <stdlib.h> #include <time.h> #include "menu_3.h" #include <math.h> HBITMAP hBm; LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);//窗口函数说明 //---------以下初始化窗口类-------------- int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdLine,int nCmdShow) { HWND hwnd; MSG Msg; WNDCLASS wndclass; hBm = LoadBitmap(hInstance, MAKEINTRESOURCE(IDB_BITMAP)); char lpszClassName[] = "窗口"; //窗口类名 char lpszTitle[] = "My_Windows"; //窗口标题名 //窗口类的定义 wndclass.style = CS_HREDRAW | CS_VREDRAW; //窗口类型为默认类型 wndclass.lpfnWndProc = WndProc; //窗口处理函数为WndProc wndclass.cbClsExtra = 0; //窗口类无扩展 wndclass.cbWndExtra = 0; //窗口实例无扩展 wndclass.hInstance = hInstance; //当前实例句柄 wndclass.hIcon = LoadIcon(NULL,IDI_APPLICATION);//窗口的最小化图标为默认图标 wndclass.hCursor = LoadCursor( NULL, IDC_ARROW); //窗口 采用箭头光标 wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH); //窗口 背景为 白色 wndclass.lpszMenuName = "menu3" ; //窗口 中无菜单 wndclass.lpszClassName = lpszClassName; //窗口类名为“窗口示例” //-----------以下进行窗口类的注册 if (!RegisterClass(&wndclass))//如果注册失败则发出警吿声音 { MessageBeep (0); return FALSE; } //创建窗口 hwnd = CreateWindow( lpszClassName, //窗口类名 lpszTitle, //窗口实例的标题名 WS_OVERLAPPEDWINDOW, //窗口 的风格 CW_USEDEFAULT, CW_USEDEFAULT, //窗口左上角坐标为默认值 CW_USEDEFAULT, CW_USEDEFAULT, //窗口的髙和宽为默认值 NULL, //此窗口无父窗口 NULL, //此窗口无主菜单 hInstance, //创建此窗口应用程序的当前句柄 NULL //不使用该值 ); ShowWindow( hwnd, nCmdShow); //显示窗口 UpdateWindow(hwnd); //绘制用户区 while( GetMessage(&Msg, NULL, 0, 0)) //消息循环 { TranslateMessage(&Msg); DispatchMessage(&Msg); } return Msg.wParam; //程序终止时将信息返回系统 } //窗口函数 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { HDC hDC, hdc_old; HBITMAP hBmp, hBkBmp; static HDC hdcmem; RECT rect; HPEN hPen; BITMAP bm; PAINTSTRUCT ps; static int mx, my; static bool isLeft = false, isRight = false, isUp = false, isDown = false, isOut = false; COLORREF color[7] = {RGB(255,0,0), RGB(255,165,0), RGB(255,255,0), RGB(0,255,0), RGB(0,255,255), RGB(0,0,255), RGB(139,0,255)}; static int x, y; switch(message) { case WM_MOUSEMOVE: mx = LOWORD(lParam); my = HIWORD(lParam); return 0; case WM_LBUTTONDOWN: if (mx <= x) isLeft = true; else if (mx >= x+500) isRight = true; else if (my <= y) isUp = true; else if (my >= y+541) isDown = true; InvalidateRect(hWnd, NULL,1); return 0; case WM_CHAR: if (wParam == 'A' || wParam == 'a' ) isLeft = true; else if (wParam == 'd' || wParam == 'D' ) isRight = true; else if(wParam == 'w' || wParam == 'W') isUp = true; else if(wParam == 's' || wParam == 'S' ) isDown = true; InvalidateRect(hWnd, NULL, 1); return 0; case WM_KEYUP: InvalidateRect(hWnd, NULL, 1); return 0; case WM_ERASEBKGND: return 1; case WM_CREATE: hDC=GetDC(hWnd); hdcmem=CreateCompatibleDC(hDC); ReleaseDC(hWnd, hDC); return 0; case WM_PAINT: hdc_old = BeginPaint(hWnd, &ps); hDC = CreateCompatibleDC(hdc_old); GetClientRect(hWnd,&rect); hBmp = CreateCompatibleBitmap(hdc_old,rect.right,rect.bottom); SelectObject(hDC,hBmp); hPen = CreatePen(PS_SOLID, 1, RGB(255,255,255)); SelectObject(hDC, hPen); Rectangle(hDC, rect.left, rect.top, rect.right, rect.bottom); DeleteObject(hPen); SelectObject(hdcmem, hBm); GetObject(hBm, sizeof(BITMAP), &bm); if (isLeft) { if (x <= 0) isOut = true; else x -= 10; } else if (isRight) { if (x >= rect.right-500) isOut = true; else x += 10; } else if (isUp) { if (y <= 0) isOut = true; else y -= 10; } else if (isDown) { if (y >= rect.bottom-541) isOut = true; else y += 10; } isLeft = isRight = isUp = isDown = isOut = false; BitBlt(hDC, x, y, bm.bmWidth, bm.bmHeight,hdcmem,0,0,SRCCOPY); BitBlt(hdc_old,0,0,rect.right,rect.bottom,hDC,0,0,SRCCOPY); DeleteObject(hBmp); DeleteDC(hDC); ReleaseDC(hWnd, hDC); //释放 EndPaint(hWnd, &ps); //结束缓制 return 0; case WM_DESTROY: DeleteObject(hBm); PostQuitMessage(0); //调用 PostQuitMessage 发出 WM_QUIT 消息 return 0; default: return DefWindowProc(hWnd, message, wParam, lParam); //默认时采用系统消息默认处理函数 } }