devmode.cpp

虚拟打印机

/*
 *
 * devmode.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]
 *
 */

#include "devmode.h"

#include "devModeV351.h"
//#include "devModeV400.h"
//#include "devModeV401.h"

// **********************************************************************************
// **  DEVMODE  *********************************************************************
// **********************************************************************************

DWORD DM_GetTotalSize(IN PCDEVMODE pdm) {
	return pdm->dmSize + pdm->dmDriverExtra;
}

void DM_Copy(IN PCDEVMODE pdm, OUT LPBYTE lpBuff) {
	DWORD dwc = DM_GetTotalSize(pdm);
	CopyMemory(lpBuff, pdm, dwc);
}

PDEVMODE DM_Duplicate(IN PCDEVMODE pdmSrc) {
	DWORD dwc = DM_GetTotalSize(pdmSrc);
	PDEVMODE pdm = (PDEVMODE) malloc(dwc);
	if (pdm != NULL) {
		DM_Copy(pdmSrc,  (LPBYTE) pdm);
	} else {
		SetLastError(ERROR_OUTOFMEMORY);
	}
	return pdm;
}

// ************************************************************************************
// **  PUBLIC ROUTINES  ***************************************************************
// ************************************************************************************

void ConvertDevMode(OUT PDEVMODE pdmOut, IN PCDEVMODE pdmIn, BOOL b351) {
	WORD dmSpecVersion, dmSize, dmDriverVersion, dmDriverExtra;
	DWORD dwcCopy;

	if (b351) {
		pdmOut->dmSize = (WORD) GetDevModeV351Size();
		pdmOut->dmSpecVersion = 0x320;
	}

	dmSpecVersion = pdmOut->dmSpecVersion;
	dmSize = pdmOut->dmSize;
	dmDriverVersion = pdmOut->dmDriverVersion;
	dmDriverExtra = pdmOut->dmDriverExtra;

	dwcCopy = min( pdmOut->dmSize, pdmIn->dmSize );
	CopyMemory( pdmOut, pdmIn, dwcCopy );

	pdmOut->dmSpecVersion = dmSpecVersion;
	pdmOut->dmSize = dmSize;		
	pdmOut->dmDriverVersion = dmDriverVersion;
	pdmOut->dmDriverExtra = dmDriverExtra;

	dwcCopy = min( pdmOut->dmDriverExtra, pdmIn->dmDriverExtra );
	CopyMemory( (LPBYTE) pdmOut + dmSize, (LPBYTE) pdmIn + pdmIn->dmSize, dwcCopy );
}