WinAPI 读取DXF文件

//------------------------------------------------------------------------------ // Copyright (c) 2009 eryar All rights reserved. // // File : Main.cpp // Author : eryar@163.com // Date : 2009-9-18 23:04 // Version : 1.0v // // Description : // //============================================================================== #include "List.h" char* szAppName = "GraphicsPro"; HINSTANCE ghInst; LRESULT CALLBACK WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam); int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int iShowCmd) { HWND hWnd; MSG Msg; WNDCLASS wndclass; char* szClassName = "CGraphics"; ghInst = hInstance; wndclass.style = CS_HREDRAW|CS_VREDRAW; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 0; wndclass.lpfnWndProc = WndProc; wndclass.hInstance = hInstance; wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION); wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); wndclass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH); wndclass.lpszMenuName = NULL; wndclass.lpszClassName = szClassName; if (!RegisterClass(&wndclass)) { MessageBox(NULL, "This program requires Windows NT!", szAppName, MB_ICONERROR); return 0; } hWnd = CreateWindow( szClassName, szAppName, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL); ShowWindow(hWnd, iShowCmd); UpdateWindow(hWnd); while (GetMessage(&Msg, NULL, 0, 0) ) { TranslateMessage(&Msg); DispatchMessage(&Msg); } return Msg.wParam; } LRESULT CALLBACK WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam) { HDC hDC; PAINTSTRUCT ps; //RECT rcClient; //int cyVScroll; static HMENU hMenu; //static HWND hProgressBar; static List graphics; switch (Msg) { case WM_CREATE: { InitCommonControls(); hMenu = WinMenu(hWnd); hMenu = GetSubMenu(hMenu, 0); // Status bars //GetClientRect(hWnd, &rcClient); //cyVScroll = GetSystemMetrics(SM_CYVSCROLL); //hProgressBar = CreateWindow( // PROGRESS_CLASS, // "", // WS_CHILD|WS_VISIBLE, // rcClient.left, // rcClient.bottom - cyVScroll, // rcClient.right, // cyVScroll, /// hWnd, // NULL, // ghInst,NULL); } return 0; case WM_SIZE: return 0; case WM_MOUSEMOVE: return 0; case WM_RBUTTONUP: POINT point; point.x = LOWORD(lParam); point.y = HIWORD(lParam); ClientToScreen(hWnd,&point); TrackMenu(hWnd, point); return 0; case WM_PAINT: hDC = BeginPaint(hWnd,&ps); EndPaint(hWnd, &ps); RenderScene(hWnd, graphics); return 0; case WM_KEYDOWN: switch (wParam) { case VK_ESCAPE: if (MessageBox(hWnd, "Are you sure to quit? ", szAppName, MB_YESNOCANCEL|MB_ICONQUESTION) == IDYES) { PostQuitMessage(0); } return 0; case VK_RETURN: return 0; } return 0; case WM_SYSCOMMAND: switch (wParam) { case SC_CLOSE: if (MessageBox(hWnd, "Save before quit? ", szAppName, MB_YESNOCANCEL|MB_ICONQUESTION) == IDYES) { PostQuitMessage(0); } return 0; default: return DefWindowProc(hWnd, Msg, wParam, lParam); } return 0; case WM_COMMAND: CommandAction(hWnd, wParam, graphics); return 0; case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc(hWnd, Msg, wParam, lParam); } /* Parameter : HWND Return : HMENU Description : create window menu in dynamic way */ HMENU WinMenu(HWND hWnd) { HMENU hMenu; HMENU hMenuPopup; hMenu = CreateMenu(); hMenuPopup = CreatePopupMenu(); AppendMenu(hMenuPopup, MF_STRING, IDM_FILE_OPEN, "&Open"); AppendMenu(hMenuPopup, MF_STRING, IDM_FILE_SAVE, "&Save"); AppendMenu(hMenuPopup, MF_STRING, IDM_FILE_EXIT, "&Exit"); AppendMenu(hMenu, MF_POPUP,(UINT)hMenuPopup, "&File"); hMenuPopup = CreatePopupMenu(); AppendMenu(hMenuPopup, MF_STRING, IDM_EDIT_COPY, "&Copy"); AppendMenu(hMenuPopup, MF_STRING, IDM_EDIT_CUT, "&Cut"); AppendMenu(hMenu, MF_POPUP,(UINT)hMenuPopup, "&Edit"); hMenuPopup = CreatePopupMenu(); AppendMenu(hMenuPopup, MF_STRING, IDM_VIEW_SOLID, "&Solid"); AppendMenu(hMenuPopup, MF_STRING, IDM_VIEW_WIRE, "&Wireline"); AppendMenu(hMenuPopup, MF_STRING, IDM_VIEW_SHADE, "&Shade"); AppendMenu(hMenu, MF_POPUP,(UINT)hMenuPopup, "&View"); hMenuPopup = CreatePopupMenu(); AppendMenu(hMenuPopup, MF_STRING, IDM_DRAW_LINE, "&Line"); AppendMenu(hMenuPopup, MF_STRING, IDM_DRAW_CIRCLE, "&Circle"); AppendMenu(hMenu, MF_POPUP,(UINT)hMenuPopup, "&Draw"); hMenuPopup = CreatePopupMenu(); AppendMenu(hMenuPopup, MF_STRING, IDM_WINDOW_CLOSE, "&Close"); AppendMenu(hMenuPopup, MF_STRING, IDM_WINDOW_NEXT, "&Next"); AppendMenu(hMenu, MF_POPUP,(UINT)hMenuPopup, "&Window"); hMenuPopup = CreatePopupMenu(); AppendMenu(hMenuPopup, MF_STRING, IDM_HELP_CONTENT, "&Content"); AppendMenu(hMenuPopup, MF_STRING, IDM_HELP_ABOUT, "&About"); AppendMenu(hMenu, MF_POPUP,(UINT)hMenuPopup, "&Help"); SetMenu(hWnd, hMenu); return hMenu; } // WinMenu void TrackMenu(HWND hWnd, POINT point) { HMENU hMenu; HMENU hMenuPopup; hMenu = CreatePopupMenu(); hMenuPopup = CreatePopupMenu(); AppendMenu(hMenu, MF_STRING|MF_CHECKED, IDM_DRAW_LINE, "&Move"); AppendMenu(hMenu, MF_STRING|MF_GRAYED, IDM_HELP_ABOUT, "&Zoom"); AppendMenu(hMenu, MF_SEPARATOR, 0, NULL); AppendMenu(hMenuPopup, MF_STRING, IDM_VIEW_SOLID, "&Solid"); AppendMenu(hMenuPopup, MF_STRING, IDM_VIEW_WIRE, "&Wireline"); AppendMenu(hMenuPopup, MF_STRING, IDM_VIEW_SHADE, "&Shade"); AppendMenu(hMenu, MF_POPUP,(UINT)hMenuPopup, "&View"); TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL); }