// WindowsProject1.cpp : 定义应用程序的入口点。 // #include "framework.h" #include "WindowsProject1.h" #include "cmath" #define MAX_LOADSTRING 100 // 全局变量: HINSTANCE hInst; // 当前实例 WCHAR szTitle[MAX_LOADSTRING]; // 标题栏文本 WCHAR szWindowClass[MAX_LOADSTRING]; // 主窗口类名 HMENU hmenu, haddmenu, hmenut; // 此代码模块中包含的函数的前向声明: ATOM MyRegisterClass(HINSTANCE hInstance); BOOL InitInstance(HINSTANCE, int); LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM); int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPWSTR lpCmdLine, _In_ int nCmdShow) { UNREFERENCED_PARAMETER(hPrevInstance); UNREFERENCED_PARAMETER(lpCmdLine); // TODO: 在此处放置代码。 // 初始化全局字符串 LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); LoadStringW(hInstance, IDC_WINDOWSPROJECT1, szWindowClass, MAX_LOADSTRING); MyRegisterClass(hInstance); // 执行应用程序初始化: if (!InitInstance(hInstance, nCmdShow)) { return FALSE; } HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WINDOWSPROJECT1)); MSG msg; // 主消息循环: while (GetMessage(&msg, nullptr, 0, 0)) { if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) { TranslateMessage(&msg); DispatchMessage(&msg); } } return (int)msg.wParam; } // // 函数: MyRegisterClass() // // 目标: 注册窗口类。 // ATOM MyRegisterClass(HINSTANCE hInstance) { WNDCLASSEXW wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_WINDOWSPROJECT1)); wcex.hCursor = LoadCursor(nullptr, IDC_ARROW); wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_WINDOWSPROJECT1); wcex.lpszClassName = szWindowClass; wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL)); return RegisterClassExW(&wcex); } // // 函数: InitInstance(HINSTANCE, int) // // 目标: 保存实例句柄并创建主窗口 // // 注释: // // 在此函数中，我们在全局变量中保存实例句柄并 // 创建和显示主程序窗口。 // BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) { hInst = hInstance; // 将实例句柄存储在全局变量中 HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, nullptr, nullptr, hInstance, nullptr); if (!hWnd) { return FALSE; } hmenu = GetMenu(hWnd); haddmenu = CreateMenu(); hmenut = CreateMenu(); // hmenut = LoadMenu(hInstance, _T("IDR_MENUCAL")); AppendMenu(hmenut, MF_ENABLED, ID_sum, _T("总和")); AppendMenu(hmenut, MF_ENABLED, ID_variance, _T("方差")); AppendMenu(hmenut, MF_ENABLED, ID_rms, _T("均方根")); InsertMenu(hmenu, 1, MF_POPUP | MF_BYPOSITION, (UINT)hmenut, _T("计算(&C)")); DrawMenuBar(hWnd); ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); return TRUE; } // // 函数: WndProc(HWND, UINT, WPARAM, LPARAM) // // 目标: 处理主窗口的消息。 // // WM_COMMAND - 处理应用程序菜单 // WM_PAINT - 绘制主窗口 // WM_DESTROY - 发送退出消息并返回 // // LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { static HCURSOR hCursor = LoadCursorFromFile(L"hao2.cur"); switch (message) { case WM_SETCURSOR: // 加载自定义光标文件 // 设置为当前窗口光标 SetCursor(hCursor); // 返回TRUE表示已处理消息，不需要系统再进行默认处理 return TRUE; case WM_COMMAND: { int wmId = LOWORD(wParam); PAINTSTRUCT ps; HDC hDC = BeginPaint(hWnd, &ps); const double M_PI = 3.1415926; // TODO: 在此处添加使用 hdc 的任何绘图代码... HPEN hPen; HBRUSH hBrush; static RECT rc, ovalRc, rc2; static POINT center, startPoint; static double startAngle, endAngle; static RECT squareRc; //staint cornerRadius // 分析菜单选择: switch (wmId) { case IDM_PAINT: hPen = CreatePen(PS_DASHDOT, 1, RGB(0, 255, 0));//自定义绿笔 //所画线条为点划线，宽度为1 hBrush = CreateHatchBrush(HS_CROSS, RGB(255, 0, 0));//红色网状 SetMapMode(hDC, MM_TEXT); //设置映射模式，用缺省模式 SelectObject(hDC, hBrush); //更新画刷，用“红色网状” //使用当前缺省画笔、画刷进行绘图 //Rectangle(hDC, 130, 60, 270, 200); //绘制矩形，并填充 rc = { 130, 60, 270, 100 }; // 矩形区域 RoundRect(hDC, rc.left, rc.top, rc.right, rc.bottom, 20, 20); // 定义椭圆区域 //ovalRc = { 150, 100, 250, 160 }; // 椭圆区域 // 绘制椭圆饼图 //startAngle = M_PI * 0.6; // 起始角度，弧度制 //endAngle = M_PI * 0.5; // 结束角度，弧度制 //center = { (ovalRc.left + ovalRc.right) / 2, (ovalRc.top + ovalRc.bottom) / 2 }; // 饼图圆心点 //startPoint = { center.x + (int)(55 * cos(startAngle)), center.y - (int)(55 * sin(startAngle)) }; // 起始点 // 绘制饼图 Pie(hDC, 150, 100, 250, 160, 170, 120, 230, 120); rc2 = { 130, 160, 270, 200 }; // 矩形区域 RoundRect(hDC, rc2.left, rc2.top, rc2.right, rc2.bottom, 0, 0); // 创建画刷 hBrush = CreateSolidBrush(RGB(255, 0, 0)); // 红色画刷 // 选择画刷 SelectObject(hDC, hBrush); // 绘制正方形 squareRc = { 300, 100, 400, 200 }; // 正方形区域 Rectangle(hDC, squareRc.left, squareRc.top, squareRc.right, squareRc.bottom); //Ellipse(hDC, 130, 70, 270, 190);//绘制椭圆，并填充 SelectObject(hDC, hPen); //更新画笔，选“自定义绿笔” MoveToEx(hDC, 100, 130, NULL); //使用当前画笔绘制轴线 LineTo(hDC, 300, 130); MoveToEx(hDC, 200, 30, NULL); LineTo(hDC, 200, 230); EndPaint(hWnd, &ps); break; case IDM_ABOUT: DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About); break; case ID_del://删除总和 DeleteMenu(hmenut, ID_sum, MF_BYCOMMAND); break; case ID_add: AppendMenu(hmenut, MF_ENABLED, ID_avg, _T("平均值")); DrawMenuBar(hWnd); break; case ID_modify: //ModifyMenu(hmenut, 2, MF_BYPOSITION, ID_rms, _T("线性拟合")); // 假设hMenu为包含要修改的菜单项的菜单句柄，menuItemId为要修改的菜单项ID，newText为新的菜单项文本 ModifyMenu(hmenut, ID_rms, MF_BYCOMMAND | MF_STRING, ID_rms, _T("线性拟合")); DrawMenuBar(hWnd); break; case IDM_EXIT: DestroyWindow(hWnd); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } } break; case WM_LBUTTONDOWN: AppendMenu(haddmenu, MF_GRAYED, ID_del, _T("删除计算总和")); AppendMenu(haddmenu, MF_GRAYED, ID_add, _T("添加计算平均值")); AppendMenu(haddmenu, MF_GRAYED, ID_modify, _T("修改计算均方根")); InsertMenu(hmenu, 2, MF_POPUP | MF_BYPOSITION, (UINT)haddmenu, _T("编辑(&E)")); DrawMenuBar(hWnd); break; case WM_RBUTTONDOWN: EnableMenuItem(haddmenu, ID_del, MF_ENABLED); EnableMenuItem(haddmenu, ID_add, MF_ENABLED); EnableMenuItem(haddmenu, ID_modify, MF_ENABLED); break; case WM_PAINT: { } break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } return 0; } // “关于”框的消息处理程序。 INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam) { UNREFERENCED_PARAMETER(lParam); switch (message) { case WM_INITDIALOG: return (INT_PTR)TRUE; case WM_COMMAND: if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) { EndDialog(hDlg, LOWORD(wParam)); return (INT_PTR)TRUE; } break; } return (INT_PTR)FALSE; }