IMPRIMER UN DOCUMENT [DEV C++]

#include <windows.h>

extern HINSTANCE hInst ;
extern TCHAR szAppName[] ;
extern TCHAR szCaption[] ;

void CreerFormesGeometriques (HDC hdcPrn, int cxPage, int cyPage)
{
	
	static TCHAR szTextStr[] = TEXT ("Ce code vient du hors-série de PC TEAM n°9") ;
     
     
     SaveDC (hdcPrn) ;
     
     SetMapMode       (hdcPrn, MM_ISOTROPIC) ;
     SetWindowExtEx   (hdcPrn, 1000, 1000, NULL) ;
     SetViewportExtEx (hdcPrn, cxPage / 2, -cyPage / 2, NULL) ;
     SetViewportOrgEx (hdcPrn, cxPage / 2,  cyPage / 2, NULL) ;
     
     Ellipse (hdcPrn, -500, 500, 500, -500) ;
     
     SetTextAlign (hdcPrn, TA_BASELINE | TA_CENTER) ;
     TextOut (hdcPrn, 0, 0, szTextStr, lstrlen (szTextStr)) ;
     RestoreDC (hdcPrn, -1) ;
}

HDC GetPrinterDC (void)
{
     DWORD            dwNeeded, dwReturned ;
     HDC              hdc ;
     PRINTER_INFO_4 * pinfo4 ;
     PRINTER_INFO_5 * pinfo5 ; 

	 //sous Windows 98
     if (GetVersion () & 0x80000000)  
     {
          EnumPrinters (PRINTER_ENUM_DEFAULT, NULL, 5, NULL,
                        0, &dwNeeded, &dwReturned) ;

          pinfo5 = (PRINTER_INFO_5 *)malloc (dwNeeded) ;

          EnumPrinters (PRINTER_ENUM_DEFAULT, NULL, 5, (PBYTE) pinfo5,
                        dwNeeded, &dwNeeded, &dwReturned) ;

          hdc = CreateDC (NULL, pinfo5->pPrinterName, NULL, NULL) ;

          free (pinfo5) ;
     }
	 //sous un win NT
     else 
     {
          EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 4, NULL,
                        0, &dwNeeded, &dwReturned) ;

          pinfo4 = (PRINTER_INFO_4 *)malloc (dwNeeded) ;

          EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 4, (PBYTE) pinfo4,
                        dwNeeded, &dwNeeded, &dwReturned) ;

          hdc = CreateDC (NULL, pinfo4->pPrinterName, NULL, NULL) ;

          free (pinfo4) ;
     }
     return hdc ;   
}





HINSTANCE hInst ;
TCHAR     szAppName[] = TEXT ("Print1") ;
TCHAR     szCaption[] = TEXT ("Programme Print 1") ;



BOOL imprimer (HWND hwnd)
{
     static DOCINFO di = { sizeof (DOCINFO), TEXT ("Print1 : impression en cours") } ;
     BOOL           bSuccess = TRUE ;
     HDC            hdcPrn ;
     int            xPage, yPage ;
     
     if (NULL == (hdcPrn = GetPrinterDC ()))
          return FALSE ;

     xPage = GetDeviceCaps (hdcPrn, HORZRES) ;
     yPage = GetDeviceCaps (hdcPrn, VERTRES) ;
     
     if (StartDoc (hdcPrn, &di) > 0)
     {
          if (StartPage (hdcPrn) > 0)
          {
               CreerFormesGeometriques (hdcPrn, xPage, yPage) ;
               
               if (EndPage (hdcPrn) > 0)
                    EndDoc (hdcPrn) ;
               else
                    bSuccess = FALSE ;
          }
     }
     else
          bSuccess = FALSE ;
     
     DeleteDC (hdcPrn) ;
     return bSuccess ;
}


LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    PSTR szCmdLine, int iCmdShow)
{
     HWND     hwnd ;
     MSG      msg ;
     WNDCLASS wndclass ;
     
     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 = (HBRUSH) GetStockObject (GRAY_BRUSH) ;
     wndclass.lpszMenuName  = NULL ;
     wndclass.lpszClassName = szAppName ;
     
     if (!RegisterClass (&wndclass))
     {
          MessageBox (NULL, TEXT ("Ce programme fonctionne exclusivement sous Windows NT!"),
                      szAppName, MB_ICONERROR) ;
          return 0 ;
     }
     
     hInst = hInstance ;
     
     hwnd = CreateWindow (szAppName, szCaption,
                          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 ;
}


LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
     static int   cxClient, cyClient ;
     HDC          hdc ;
     HMENU        hMenu ;
     PAINTSTRUCT  ps ;
     
     switch (message)
     {
     case WM_CREATE:
          hMenu = GetSystemMenu (hwnd, FALSE) ;
          AppendMenu (hMenu, MF_SEPARATOR, 0, NULL) ;
          AppendMenu (hMenu, 0, 1, TEXT ("Im&primer")) ;
          return 0 ;
          
     case WM_SIZE:
          cxClient = LOWORD (lParam) ;
          cyClient = HIWORD (lParam) ;
          return 0 ;
          
     case WM_SYSCOMMAND:
          if (wParam == 1)
          {
               if (!imprimer (hwnd))
                    MessageBox (hwnd, TEXT ("Impression de la page impossible !"),
                                szAppName, MB_OK | MB_ICONEXCLAMATION) ;
               return 0 ;
          }
          break ;
          
     case WM_PAINT :
          hdc = BeginPaint (hwnd, &ps) ;
          
          CreerFormesGeometriques (hdc, cxClient, cyClient) ;
          
          EndPaint (hwnd, &ps) ;
          return 0 ;
          
     case WM_DESTROY :
          PostQuitMessage (0) ;
          return 0 ;
     }
     return DefWindowProc (hwnd, message, wParam, lParam) ;
}