669 lines
24 KiB
C
669 lines
24 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Tprinter.cpp
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* Harbour THarbourPrinter C++ Class for Harbour print support
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* Copyright 2002 Luiz Rafael Culik<culikr@uol.com.br>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbsetup.h"
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#if defined(HB_OS_WIN_32) && \
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!( defined(__RSXNT__) || defined(__CYGWIN__) || defined(HB_WINCE) )
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# include <windows.h>
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# if defined(__LCC__)
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# include <winspool.h>
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# endif
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# define HB_OS_WIN_32_USED
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# include "hbapi.h"
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# include "hbapiitm.h"
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BOOL hb_GetDefaultPrinter( char * pPrinterName, LPDWORD pdwBufferSize );
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BOOL hb_GetPrinterNameByPort( char * pPrinterName, LPDWORD pdwBufferSize, char * pPortName,
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BOOL bSubStr );
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# define MAXBUFFERSIZE 255
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BOOL hb_isLegacyDevice( LPSTR pPrinterName )
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{
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BOOL bLegacyDev = FALSE;
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int n = 0;
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LPSTR pszPrnDev[] =
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{ "lpt1", "lpt2", "lpt3", "lpt4", "lpt5", "lpt6", "com1", "com2", "com3", "com4", NULL };
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while( pszPrnDev[n] && !bLegacyDev )
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{
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bLegacyDev = ( hb_strnicmp( pPrinterName, pszPrnDev[n], strlen( pszPrnDev[n] ) ) == 0 );
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n++;
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}
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return ( bLegacyDev );
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}
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BOOL hb_PrinterExists( LPSTR pPrinterName )
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{
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BOOL Result = FALSE;
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DWORD Flags = PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS;
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PRINTER_INFO_4 *buffer4, *pPrinterEnum4;
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HANDLE hPrinter;
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ULONG needed = 0, returned = 0, a;
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HB_TRACE( HB_TR_DEBUG, ( "hb_PrinterExists(%s)", pPrinterName ) );
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if( !strchr( pPrinterName, OS_PATH_LIST_SEPARATOR ) && !hb_isLegacyDevice( pPrinterName ) )
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{ // Don't bother with test if '\' in string
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if( hb_iswinnt() )
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{ // Use EnumPrinter() here because much faster than OpenPrinter()
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EnumPrinters( Flags, NULL, 4, ( LPBYTE ) NULL, 0, &needed, &returned );
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if( needed > 0 )
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{
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pPrinterEnum4 = buffer4 = ( PRINTER_INFO_4 * ) hb_xgrab( needed );
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if( pPrinterEnum4 )
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{
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if( EnumPrinters
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( Flags, NULL, 4, ( LPBYTE ) pPrinterEnum4, needed, &needed, &returned ) )
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{
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for( a = 0; !Result && a < returned; a++, pPrinterEnum4++ )
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{
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Result = strcmp( ( const char * ) pPrinterName,
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( const char * ) pPrinterEnum4->pPrinterName ) == 0;
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}
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}
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hb_xfree( buffer4 );
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}
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}
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}
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else
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{
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LPTSTR lpPrinterName = HB_TCHAR_CONVTO( pPrinterName );
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if( OpenPrinter( lpPrinterName, &hPrinter, NULL ) )
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{
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ClosePrinter( hPrinter );
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Result = TRUE;
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}
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HB_TCHAR_FREE( lpPrinterName );
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}
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}
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return Result;
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}
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HB_FUNC( PRINTEREXISTS )
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{
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BOOL Result = FALSE;
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if( ISCHAR( 1 ) )
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{
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Result = hb_PrinterExists( hb_parc( 1 ) );
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}
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hb_retl( Result );
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}
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BOOL hb_GetDefaultPrinter( char * pPrinterName, LPDWORD pdwBufferSize )
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{
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BOOL Result = FALSE;
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OSVERSIONINFO osvi;
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osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
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GetVersionEx( &osvi );
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if( osvi.dwPlatformId == VER_PLATFORM_WIN32_NT && osvi.dwMajorVersion >= 5 ) /* Windows 2000 or later */
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{
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typedef BOOL( WINAPI * DEFPRINTER ) ( LPSTR, LPDWORD ); // stops warnings
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DEFPRINTER fnGetDefaultPrinter;
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HMODULE hWinSpool = LoadLibrary( TEXT( "winspool.drv" ) );
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if( hWinSpool )
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{
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fnGetDefaultPrinter = ( DEFPRINTER ) GetProcAddress( hWinSpool, "GetDefaultPrinterA" );
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if( fnGetDefaultPrinter )
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{
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Result = ( *fnGetDefaultPrinter ) ( pPrinterName, pdwBufferSize );
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}
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FreeLibrary( hWinSpool );
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}
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}
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if( !Result ) /* Win9X and Windows NT 4.0 or earlier & 2000+ if necessary for some reason i.e. dll could not load!!!! */
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{
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DWORD dwSize = GetProfileStringA( "windows", "device", "", pPrinterName, *pdwBufferSize );
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if( dwSize && dwSize < *pdwBufferSize )
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{
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dwSize = 0;
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while( pPrinterName[dwSize] != '\0' && pPrinterName[dwSize] != ',' )
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{
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dwSize++;
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}
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pPrinterName[dwSize] = '\0';
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*pdwBufferSize = dwSize + 1;
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Result = TRUE;
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}
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else
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{
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*pdwBufferSize = dwSize + 1;
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}
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}
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if( !Result && osvi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS )
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{
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/*
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This option should never be required but is included because of this article
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http://support.microsoft.com/kb/246772/en-us
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This option will not enumerate any network printers.
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From the SDK technical reference for EnumPrinters();
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If Level is 2 or 5, Name is a pointer to a null-terminated string that specifies
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the name of a server whose printers are to be enumerated.
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If this string is NULL, then the function enumerates the printers installed on the local machine.
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*/
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DWORD dwNeeded, dwReturned;
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PRINTER_INFO_2 *ppi2;
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if( EnumPrinters( PRINTER_ENUM_DEFAULT, NULL, 2, NULL, 0, &dwNeeded, &dwReturned ) )
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{
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if( dwNeeded > 0 )
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{
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ppi2 = ( PRINTER_INFO_2 * ) hb_xgrab( dwNeeded );
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if( ppi2 )
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{
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if( EnumPrinters
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( PRINTER_ENUM_DEFAULT, NULL, 2, ( LPBYTE ) ppi2, dwNeeded, &dwNeeded,
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&dwReturned ) && dwReturned > 0 )
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{
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DWORD dwSize = ( DWORD ) lstrlen( ppi2->pPrinterName );
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if( dwSize && dwSize < *pdwBufferSize )
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{
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HB_TCHAR_GETFROM( pPrinterName, ppi2->pPrinterName,
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lstrlen( ppi2->pPrinterName ) );
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*pdwBufferSize = dwSize + 1;
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Result = TRUE;
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}
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}
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hb_xfree( ppi2 );
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}
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}
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}
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}
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return ( Result );
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}
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HB_FUNC( GETDEFAULTPRINTER )
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{
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char szDefaultPrinter[MAXBUFFERSIZE];
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DWORD pdwBufferSize = MAXBUFFERSIZE;
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if( hb_GetDefaultPrinter( szDefaultPrinter, &pdwBufferSize ) )
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{
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hb_retclen( szDefaultPrinter, pdwBufferSize - 1 );
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}
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else
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{
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hb_retc( NULL );
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}
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}
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BOOL hb_GetPrinterNameByPort( char * pPrinterName, LPDWORD pdwBufferSize,
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char * pPortName, BOOL bSubStr )
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{
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BOOL Result = FALSE, bFound = FALSE;
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ULONG needed, returned, a;
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PRINTER_INFO_5 *pPrinterEnum, *buffer;
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HB_TRACE( HB_TR_DEBUG, ( "hb_GetPrinterNameByPort(%p,%p)", pPrinterName, pPortName ) );
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EnumPrinters( PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 5, ( LPBYTE ) NULL, 0,
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&needed, &returned );
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if( needed > 0 )
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{
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pPrinterEnum = buffer = ( PRINTER_INFO_5 * ) hb_xgrab( needed );
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if( EnumPrinters( PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 5,
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( LPBYTE ) buffer, needed, &needed, &returned ) )
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{
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for( a = 0; a < returned && !bFound; a++, pPrinterEnum++ )
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{
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char * szPortName = HB_TCHAR_CONVFROM( pPrinterEnum->pPortName );
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if( bSubStr )
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{
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bFound = hb_strnicmp( szPortName, pPortName, strlen( pPortName ) ) == 0;
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}
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else
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{
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bFound = ( hb_stricmp( szPortName, pPortName ) == 0 );
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}
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HB_TCHAR_FREE( szPortName );
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if( bFound )
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{
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char * szPrinterName = HB_TCHAR_CONVFROM( pPrinterEnum->pPrinterName );
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if( *pdwBufferSize >= strlen( szPrinterName ) + 1 )
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{
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strcpy( pPrinterName, szPrinterName );
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Result = TRUE;
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}
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/* Store name length + \0 char for return */
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*pdwBufferSize = ( DWORD ) strlen( szPrinterName ) + 1;
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HB_TCHAR_FREE( szPrinterName );
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}
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}
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}
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hb_xfree( buffer );
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}
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return Result;
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}
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HB_FUNC( PRINTERPORTTONAME )
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{
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char szDefaultPrinter[MAXBUFFERSIZE];
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DWORD pdwBufferSize = MAXBUFFERSIZE;
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if( ISCHAR( 1 ) && hb_parclen( 1 ) > 0 &&
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hb_GetPrinterNameByPort( szDefaultPrinter, &pdwBufferSize, hb_parcx( 1 ),
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ISLOG( 2 ) ? hb_parl( 2 ) : FALSE ) )
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{
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hb_retc( szDefaultPrinter );
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}
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else
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{
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hb_retc( NULL );
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}
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}
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# define BIG_PRINT_BUFFER (1024*32)
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LONG hb_PrintFileRaw( UCHAR * cPrinterName, UCHAR * cFileName, UCHAR * cDocName )
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{
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UCHAR printBuffer[BIG_PRINT_BUFFER];
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HANDLE hPrinter, hFile;
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DOC_INFO_1 DocInfo;
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DWORD nRead, nWritten, Result;
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LPTSTR lpPrinterName = HB_TCHAR_CONVTO( ( char * ) cPrinterName );
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if( OpenPrinter( lpPrinterName, &hPrinter, NULL ) != 0 )
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{
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LPTSTR lpDocName = HB_TCHAR_CONVTO( ( char * ) cDocName );
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DocInfo.pDocName = lpDocName;
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DocInfo.pOutputFile = NULL;
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DocInfo.pDatatype = TEXT( "RAW" );
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if( StartDocPrinter( hPrinter, 1, ( UCHAR * ) & DocInfo ) != 0 )
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{
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if( StartPagePrinter( hPrinter ) != 0 )
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{
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hFile =
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CreateFileA( ( char * ) cFileName, GENERIC_READ, 0, NULL, OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL, NULL );
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if( hFile != INVALID_HANDLE_VALUE )
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{
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while( ReadFile( hFile, printBuffer, BIG_PRINT_BUFFER, &nRead, NULL )
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&& ( nRead > 0 ) )
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{
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if( printBuffer[nRead - 1] == 26 )
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{
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nRead--; // Skip the EOF() character
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}
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WritePrinter( hPrinter, printBuffer, nRead, &nWritten );
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}
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Result = 1;
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CloseHandle( hFile );
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}
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else
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{
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Result = -6;
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}
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EndPagePrinter( hPrinter );
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}
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else
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{
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Result = -4;
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}
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EndDocPrinter( hPrinter );
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}
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else
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{
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Result = -3;
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}
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HB_TCHAR_FREE( lpDocName );
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ClosePrinter( hPrinter );
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}
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else
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{
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Result = -2;
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}
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HB_TCHAR_FREE( lpPrinterName );
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return Result;
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}
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HB_FUNC( PRINTFILERAW )
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{
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UCHAR *cPrinterName, *cFileName, *cDocName;
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DWORD Result = -1;
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if( ISCHAR( 1 ) && ISCHAR( 2 ) )
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{
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cPrinterName = ( UCHAR * ) hb_parcx( 1 );
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cFileName = ( UCHAR * ) hb_parcx( 2 );
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cDocName = ( ISCHAR( 3 ) ? ( UCHAR * ) hb_parcx( 3 ) : cFileName );
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Result = hb_PrintFileRaw( cPrinterName, cFileName, cDocName );
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}
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hb_retnl( Result );
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}
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HB_FUNC( GETPRINTERS )
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{
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HANDLE hPrinter;
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DWORD Flags = PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS;
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BOOL bPrinterNamesOnly = TRUE;
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BOOL bLocalPrintersOnly;
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PRINTER_INFO_4 *buffer4, *pPrinterEnum4;
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PRINTER_INFO_5 *buffer, *pPrinterEnum;
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PRINTER_INFO_2 *pPrinterInfo2;
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ULONG needed = 0, returned = 0, a;
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PHB_ITEM SubItems, File, Port, Net, Driver, ArrayPrinter;
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char *pszData;
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ArrayPrinter = hb_itemNew( NULL );
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SubItems = hb_itemNew( NULL );
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File = hb_itemNew( NULL );
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Port = hb_itemNew( NULL );
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Net = hb_itemNew( NULL );
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Driver = hb_itemNew( NULL );
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hb_arrayNew( ArrayPrinter, 0 );
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buffer = NULL;
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HB_TRACE( HB_TR_DEBUG, ( "GETPRINTERS()" ) );
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if( ISLOG( 1 ) )
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{
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bPrinterNamesOnly = !hb_parl( 1 );
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}
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bLocalPrintersOnly = ISLOG( 2 ) ? hb_parl( 2 ) : FALSE;
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if( hb_iswinnt() )
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{
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EnumPrinters( Flags, NULL, 4, ( LPBYTE ) NULL, 0, &needed, &returned );
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if( needed > 0 )
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{
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pPrinterEnum4 = buffer4 = ( PRINTER_INFO_4 * ) hb_xgrab( needed );
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if( pPrinterEnum4 )
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{
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if( EnumPrinters
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( Flags, NULL, 4, ( LPBYTE ) pPrinterEnum4, needed, &needed, &returned ) )
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{
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if( bPrinterNamesOnly )
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{
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for( a = 0; a < returned; a++, pPrinterEnum4++ )
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{
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if( !bLocalPrintersOnly
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|| pPrinterEnum4->Attributes & PRINTER_ATTRIBUTE_LOCAL )
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{
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pszData = HB_TCHAR_CONVFROM( pPrinterEnum4->pPrinterName );
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hb_itemPutC( File, pszData );
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HB_TCHAR_FREE( pszData );
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hb_arrayAddForward( ArrayPrinter, File );
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}
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}
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}
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else
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{
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for( a = 0; a < returned; a++, pPrinterEnum4++ )
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{
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if( !bLocalPrintersOnly
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|| pPrinterEnum4->Attributes & PRINTER_ATTRIBUTE_LOCAL )
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{
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if( OpenPrinter( pPrinterEnum4->pPrinterName, &hPrinter, NULL ) )
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{
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GetPrinter( hPrinter, 2, NULL, 0, &needed );
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if( needed > 0 )
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{
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pPrinterInfo2 = ( PRINTER_INFO_2 * ) hb_xgrab( needed );
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if( pPrinterInfo2 )
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{
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pszData = HB_TCHAR_CONVFROM( pPrinterEnum4->pPrinterName );
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hb_itemPutC( File, pszData );
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HB_TCHAR_FREE( pszData );
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hb_arrayNew( SubItems, 0 );
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if( GetPrinter
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( hPrinter, 2, ( LPBYTE ) pPrinterInfo2, needed, &needed ) )
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{
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pszData = HB_TCHAR_CONVFROM( pPrinterInfo2->pPortName );
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hb_itemPutC( Port, pszData );
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HB_TCHAR_FREE( pszData );
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pszData = HB_TCHAR_CONVFROM( pPrinterInfo2->pDriverName );
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hb_itemPutC( Driver, pszData );
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HB_TCHAR_FREE( pszData );
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}
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else
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{
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hb_itemPutC( Port, "Error" );
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hb_itemPutC( Driver, "Error" );
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}
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if( pPrinterEnum4->Attributes & PRINTER_ATTRIBUTE_LOCAL )
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{
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hb_itemPutC( Net, "LOCAL" );
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}
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else
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{
|
|
if( pPrinterEnum4->Attributes & PRINTER_ATTRIBUTE_NETWORK )
|
|
{
|
|
hb_itemPutC( Net, "NETWORK" );
|
|
}
|
|
else
|
|
{
|
|
hb_itemPutC( Net, "ERROR" );
|
|
}
|
|
}
|
|
|
|
hb_arrayAddForward( SubItems, File );
|
|
hb_arrayAddForward( SubItems, Port );
|
|
hb_arrayAddForward( SubItems, Net );
|
|
hb_arrayAddForward( SubItems, Driver );
|
|
hb_arrayAddForward( ArrayPrinter, SubItems );
|
|
hb_xfree( pPrinterInfo2 );
|
|
}
|
|
}
|
|
}
|
|
CloseHandle( hPrinter );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
hb_xfree( buffer4 );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
EnumPrinters( Flags, NULL, 5, ( LPBYTE ) buffer, 0, &needed, &returned );
|
|
|
|
if( needed > 0 )
|
|
{
|
|
pPrinterEnum = buffer = ( PRINTER_INFO_5 * ) hb_xgrab( needed );
|
|
if( pPrinterEnum )
|
|
{
|
|
if( EnumPrinters( Flags, NULL, 5, ( LPBYTE ) buffer, needed, &needed, &returned ) )
|
|
{
|
|
for( a = 0; a < returned; a++, pPrinterEnum++ )
|
|
{
|
|
if( !bLocalPrintersOnly || pPrinterEnum->Attributes & PRINTER_ATTRIBUTE_LOCAL )
|
|
{
|
|
if( bPrinterNamesOnly )
|
|
{
|
|
pszData = HB_TCHAR_CONVFROM( pPrinterEnum->pPrinterName );
|
|
hb_itemPutC( File, pszData );
|
|
HB_TCHAR_FREE( pszData );
|
|
hb_arrayAddForward( ArrayPrinter, File );
|
|
}
|
|
else
|
|
{
|
|
// Tony (ABC) 11/1/2005 1:40PM.
|
|
for( a = 0; a < returned; a++, pPrinterEnum++ )
|
|
{
|
|
if( !bLocalPrintersOnly
|
|
|| pPrinterEnum->Attributes & PRINTER_ATTRIBUTE_LOCAL )
|
|
{
|
|
if( OpenPrinter( pPrinterEnum->pPrinterName, &hPrinter, NULL ) )
|
|
{
|
|
GetPrinter( hPrinter, 2, NULL, 0, &needed );
|
|
if( needed > 0 )
|
|
{
|
|
pPrinterInfo2 = ( PRINTER_INFO_2 * ) hb_xgrab( needed );
|
|
if( pPrinterInfo2 )
|
|
{
|
|
hb_arrayNew( SubItems, 0 );
|
|
pszData = HB_TCHAR_CONVFROM( pPrinterEnum->pPrinterName );
|
|
hb_itemPutC( File, pszData );
|
|
HB_TCHAR_FREE( pszData );
|
|
|
|
if( GetPrinter
|
|
( hPrinter, 2, ( LPBYTE ) pPrinterInfo2, needed,
|
|
&needed ) )
|
|
{
|
|
pszData = HB_TCHAR_CONVFROM( pPrinterInfo2->pPortName );
|
|
hb_itemPutC( Port, pszData );
|
|
HB_TCHAR_FREE( pszData );
|
|
pszData = HB_TCHAR_CONVFROM( pPrinterInfo2->pDriverName );
|
|
hb_itemPutC( Driver, pszData );
|
|
HB_TCHAR_FREE( pszData );
|
|
}
|
|
else
|
|
{
|
|
hb_itemPutC( Port, "Error" );
|
|
hb_itemPutC( Driver, "Error" );
|
|
}
|
|
|
|
if( pPrinterEnum->Attributes & PRINTER_ATTRIBUTE_LOCAL )
|
|
{
|
|
hb_itemPutC( Net, "LOCAL" );
|
|
}
|
|
else
|
|
{
|
|
if( pPrinterEnum->Attributes & PRINTER_ATTRIBUTE_NETWORK )
|
|
{
|
|
hb_itemPutC( Net, "NETWORK" );
|
|
}
|
|
else
|
|
{
|
|
hb_itemPutC( Net, "ERROR" );
|
|
}
|
|
}
|
|
|
|
hb_arrayAddForward( SubItems, File );
|
|
hb_arrayAddForward( SubItems, Port );
|
|
hb_arrayAddForward( SubItems, Net );
|
|
hb_arrayAddForward( SubItems, Driver );
|
|
hb_arrayAddForward( ArrayPrinter, SubItems );
|
|
hb_xfree( pPrinterInfo2 );
|
|
}
|
|
}
|
|
}
|
|
CloseHandle( hPrinter );
|
|
}
|
|
}
|
|
// Tony (ABC) 11/1/2005 1:40PM. Old Code... Justo in case.
|
|
// hb_arrayNew( SubItems, 0 );
|
|
// hb_itemPutC( File, pPrinterEnum->pPrinterName );
|
|
// hb_itemPutC( Port, pPrinterEnum->pPortName );
|
|
|
|
// if ( pPrinterEnum->Attributes & PRINTER_ATTRIBUTE_LOCAL)
|
|
// {
|
|
// hb_itemPutC( Net,"LOCAL" );
|
|
// }
|
|
// else
|
|
// {
|
|
// if ( pPrinterEnum->Attributes & PRINTER_ATTRIBUTE_NETWORK)
|
|
// {
|
|
// hb_itemPutC( Net,"NETWORK" );
|
|
// }
|
|
// else
|
|
// {
|
|
// hb_itemPutC( Net, "ERROR" );
|
|
// }
|
|
// }
|
|
|
|
// hb_arrayAddForward( SubItems , File ) ;
|
|
// hb_arrayAddForward( SubItems , Port ) ;
|
|
// hb_arrayAddForward( SubItems, Net ) ;
|
|
// hb_arrayAddForward( ArrayPrinter , SubItems );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
hb_xfree( buffer );
|
|
}
|
|
}
|
|
}
|
|
hb_itemReturnForward( ArrayPrinter );
|
|
|
|
hb_itemRelease( ArrayPrinter );
|
|
hb_itemRelease( SubItems );
|
|
hb_itemRelease( File );
|
|
hb_itemRelease( Port );
|
|
hb_itemRelease( Net );
|
|
hb_itemRelease( Driver );
|
|
}
|
|
|
|
#endif
|