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- /*--------------------------------------------------------
- EMF.C -- Enhanced Metafile Demonstration Shell Program
- (c) Charles Petzold, 1998
- --------------------------------------------------------*/
-
- #include <windows.h>
- #include <commdlg.h>
- #include "..\\emf8\\resource.h"
-
- extern void CreateRoutine (HWND) ;
- extern void PaintRoutine (HWND, HDC, int, int) ;
-
- LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
-
- HANDLE hInst ;
-
- extern TCHAR szClass [] ;
- extern TCHAR szTitle [] ;
-
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
- {
- TCHAR szResource [] = TEXT ("EMF") ;
- HWND hwnd ;
- MSG msg ;
- WNDCLASS wndclass ;
-
- hInst = hInstance ;
-
- wndclass.style = CS_HREDRAW | CS_VREDRAW ;
- wndclass.lpfnWndProc = WndProc ;
- wndclass.cbClsExtra = 0 ;
- wndclass.cbWndExtra = 0 ;
- wndclass.hInstance = hInstance ;
- wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
- wndclass.hbrBackground = GetStockObject (WHITE_BRUSH) ;
- wndclass.lpszMenuName = szResource ;
- wndclass.lpszClassName = szClass ;
-
- if (!RegisterClass (&wndclass))
- {
- MessageBox (NULL, TEXT ("This program requires Windows NT!"),
- szClass, MB_ICONERROR) ;
- return 0 ;
- }
-
- hwnd = CreateWindow (szClass, szTitle,
- WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT,
- NULL, NULL, hInstance, NULL) ;
-
- ShowWindow (hwnd, iCmdShow) ;
- UpdateWindow (hwnd) ;
-
- while (GetMessage (&msg, NULL, 0, 0))
- {
- TranslateMessage (&msg) ;
- DispatchMessage (&msg) ;
- }
- return msg.wParam ;
- }
-
- BOOL PrintRoutine (HWND hwnd)
- {
- static DOCINFO di ;
- static PRINTDLG printdlg = { sizeof (PRINTDLG) } ;
- static TCHAR szMessage [32] ;
- BOOL bSuccess = FALSE ;
- HDC hdcPrn ;
- int cxPage, cyPage ;
-
- printdlg.Flags = PD_RETURNDC | PD_NOPAGENUMS | PD_NOSELECTION ;
-
- if (!PrintDlg (&printdlg))
- return TRUE ;
-
- if (NULL == (hdcPrn = printdlg.hDC))
- return FALSE ;
-
- cxPage = GetDeviceCaps (hdcPrn, HORZRES) ;
- cyPage = GetDeviceCaps (hdcPrn, VERTRES) ;
-
- lstrcpy (szMessage, szClass) ;
- lstrcat (szMessage, TEXT (": Printing")) ;
-
- di.cbSize = sizeof (DOCINFO) ;
- di.lpszDocName = szMessage ;
-
- if (StartDoc (hdcPrn, &di) > 0)
- {
- if (StartPage (hdcPrn) > 0)
- {
- PaintRoutine (hwnd, hdcPrn, cxPage, cyPage) ;
-
- if (EndPage (hdcPrn) > 0)
- {
- EndDoc (hdcPrn) ;
- bSuccess = TRUE ;
- }
- }
- }
- DeleteDC (hdcPrn) ;
-
- return bSuccess ;
- }
-
- LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
- {
- BOOL bSuccess ;
- static int cxClient, cyClient ;
- HDC hdc ;
- PAINTSTRUCT ps ;
-
- switch (message)
- {
- case WM_CREATE:
- CreateRoutine (hwnd) ;
- return 0 ;
-
- case WM_COMMAND:
- switch (wParam)
- {
- case IDM_PRINT:
- SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
- ShowCursor (TRUE) ;
-
- bSuccess = PrintRoutine (hwnd) ;
-
- ShowCursor (FALSE) ;
- SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
-
- if (!bSuccess)
- MessageBox (hwnd,
- TEXT ("Error encountered during printing"),
- szClass, MB_ICONASTERISK | MB_OK) ;
- return 0 ;
-
- case IDM_EXIT:
- SendMessage (hwnd, WM_CLOSE, 0, 0) ;
- return 0 ;
-
- case IDM_ABOUT:
- MessageBox (hwnd, TEXT ("Enhanced Metafile Demo Program\n")
- TEXT ("Copyright (c) Charles Petzold, 1998"),
- szClass, MB_ICONINFORMATION | MB_OK) ;
- return 0 ;
- }
- break ;
-
- case WM_SIZE:
- cxClient = LOWORD (lParam) ;
- cyClient = HIWORD (lParam) ;
- return 0 ;
-
- case WM_PAINT:
- hdc = BeginPaint (hwnd, &ps) ;
-
- PaintRoutine (hwnd, hdc, cxClient, cyClient) ;
-
- EndPaint (hwnd, &ps) ;
- return 0 ;
-
- case WM_DESTROY :
- PostQuitMessage (0) ;
- return 0 ;
- }
- return DefWindowProc (hwnd, message, wParam, lParam) ;
- }
-