uidevmode.cpp

虚拟打印机

/*
 *
 * UIDevMode.cpp
 *
   Copyright (C) 2006 Michael H. Overlin

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   
   Contact at [e-mail]

 */

#define UIDEVMODE_C

#include "UIDevMode.h"
#include "..\lib\devmode.h"
#include "..\lib\devModeV351.h"
#include "..\lib\devModeV400.h"
#include "..\lib\devModeV401.h"
#include "..\lib\extDevMode.h"
#include "..\lib\printResizerCommon.h"
#include "..\lib\utils.h"
#include <malloc.h>
#include <strsafe.h>
//#include <tchar.h>
#include <windows.h>
#include <winddi.h>
#include <winddiui.h>
#include <winspool.h>


BOOL DrvConvertDevMode(
	LPTSTR  lptstrPrinterName,
	PDEVMODE  pdmIn,			
	PDEVMODE  pdmOut,			
	PLONG  pcbNeeded,
	DWORD  fMode
	) {
	DWORD dwcNeeded = 0;

	static BOOL bBreak = STATICBOOLBREAK;
	ASSERT(!bBreak);

	if (pcbNeeded == NULL) {
		SetLastError(ERROR_INVALID_PARAMETER);
		return FALSE;
	}

	switch(fMode) {
	case CDM_CONVERT: 
		if (pdmOut == NULL) {
			SetLastError(ERROR_INVALID_PARAMETER);
			return FALSE;
		}
		if (pdmOut->dmSize == GetDevModeV351Size()) {
			pdmOut->dmSpecVersion = 0x320;
		} else if (pdmOut->dmSize == GetDevModeV400Size()) { 
			pdmOut->dmSpecVersion = 0x400;
		} else if (pdmOut->dmSize == GetDevModeV401Size()) {
			pdmOut->dmSpecVersion = 0x401;
		} 
		dwcNeeded = DM_GetTotalSize(pdmOut);
		break;
	case CDM_CONVERT351:
		dwcNeeded = GetDevModeV351Size() + pdmOut->dmDriverExtra;
 		break;
	case CDM_DRIVER_DEFAULT:
		dwcNeeded = (DWORD) ::EXTDM_Sizeof();
		break;
	default:
		SetLastError(ERROR_INVALID_PARAMETER);
		return FALSE;
	} // switch(fMode)

	if (*pcbNeeded < (LONG) dwcNeeded) {
		if (fMode == CDM_CONVERT) {
			SetLastError(ERROR_INVALID_PARAMETER);
			return FALSE;
		} else {
			*pcbNeeded = dwcNeeded;
			SetLastError(ERROR_INSUFFICIENT_BUFFER);
			return FALSE;
		}
	}

	if (pdmOut == NULL) {
		SetLastError(ERROR_INVALID_PARAMETER);
		return FALSE;
	}

	if (fMode == CDM_DRIVER_DEFAULT) {
		EXTDM_SetToDefault( (PEXTDEVMODE) pdmOut, lptstrPrinterName);
	} else {
		if (pdmIn == NULL) {
			SetLastError(ERROR_INVALID_PARAMETER);
			return FALSE;
		}
		*pcbNeeded = dwcNeeded;
		ConvertDevMode(pdmOut, pdmIn, fMode == CDM_CONVERT351 );
	}

	return TRUE;
} // DrvConvertDevMode