Sample Code
Windows Driver Samples/ GenPrint Print Processor Sample/ C++/ winprint.cpp/
/*++
Copyright (c) 1990-2003 Microsoft Corporation
All Rights Reserved
Abstract:
Win32 print processor support functions.
--*/
#include "local.h"
#include <excpt.h>
LPWSTR Datatypes[]={
L"RAW",
L"NT EMF 1.006",
L"NT EMF 1.007",
L"NT EMF 1.008",
L"TEXT",
0};
/** Misc. constants **/
#define BASE_TAB_SIZE 8
/**
* For localization:
**/
PWCHAR pTabsKey = L"TABS";
PWCHAR pCopiesKey = L"COPIES";
/**
Prototypes
**/
/** Functions found in parsparm.c **/
extern USHORT GetKeyValue(
_In_ PWCHAR pParmString,
_In_ PWCHAR pKeyName,
_In_ USHORT ValueType,
_Inout_ PUSHORT pDestLength,
_Out_writes_bytes_(*pDestLength) PVOID pDestBuffer
);
/** Functions found in raw.c **/
extern BOOL PrintRawJob(
IN PPRINTPROCESSORDATA,
_In_ IN LPWSTR);
/** Functions found in text.c **/
extern BOOL PrintTextJob(
IN PPRINTPROCESSORDATA,
_In_ IN LPWSTR);
/** Functions found in emf.cpp */
extern BOOL PrintEMFJob(
IN PPRINTPROCESSORDATA,
_In_ IN LPWSTR);
/** Functions found in support.c **/
extern PUCHAR GetPrinterInfo(
IN HANDLE hPrinter,
IN ULONG,
OUT PULONG);
BOOL BReleasePPData(
_In_ IN PPRINTPROCESSORDATA * ppData );
DWORD
FillInPPCForLevel1(
_Out_ PPRINTPROCESSOR_CAPS_1 ppcInfo1,
DWORD dwDatatype,
_In_ DWORD dwAttributes
);
DWORD
FillInPPCForLevel2(
_Out_ PPRINTPROCESSOR_CAPS_2 ppcInfo2,
DWORD dwDatatype,
_In_ DWORD dwAttributes
);
BOOL WINAPI
DllMain(
HANDLE ,
DWORD ,
LPVOID
)
{
return TRUE;
}
/*++
*******************************************************************
E n u m P r i n t P r o c e s s o r D a t a t y p e s W
Routine Description:
Enumerates the data types supported by the print processor.
Arguments:
pName => server name
pPrintProcessorName => print processor name
Level => level of data to return (must be 1)
pDatatypes => structure array to fill in
cbBuf => length of structure array in bytes
pcbNeeded => buffer length copied/required
pcReturned => number of structures returned
Return Value:
TRUE if successful
FALSE if failed - caller must use GetLastError for reason
*******************************************************************
--*/
_Use_decl_annotations_
BOOL WINAPI
EnumPrintProcessorDatatypes(
LPWSTR pName,
LPWSTR pPrintProcessorName,
DWORD Level,
LPBYTE pDatatypes,
DWORD cbBuf,
LPDWORD pcbNeeded,
LPDWORD pcReturned
)
{
DATATYPES_INFO_1 *pInfo1 = (DATATYPES_INFO_1 *)pDatatypes;
LPWSTR *pMyDatatypes = Datatypes;
size_t cbTotal=0;
ULONG cchBuf =0;
LPBYTE pEnd;
BOOL bRetVal = TRUE;
HRESULT hr;
size_t tempSizeT;
UNREFERENCED_PARAMETER(pName);
UNREFERENCED_PARAMETER(pPrintProcessorName);
if ( NULL == pcbNeeded ||
NULL == pcReturned )
{
SetLastError (ERROR_INVALID_PARAMETER);
return FALSE;
}
/** Start assuming failure, no entries returned **/
*pcbNeeded = 0;
*pcReturned = 0;
if (Level != 1)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/** Add up the minimum buffer required **/
while (*pMyDatatypes) {
if (FAILED(SizeTMult(wcslen(*pMyDatatypes), sizeof(WCHAR), &tempSizeT)) ||
FAILED(SizeTAdd(tempSizeT, sizeof(WCHAR), &tempSizeT)) ||
FAILED(SizeTAdd(tempSizeT, sizeof(DATATYPES_INFO_1), &tempSizeT)) ||
FAILED(SizeTAdd(cbTotal, tempSizeT, &cbTotal)))
{
SetLastError (ERROR_ARITHMETIC_OVERFLOW);
bRetVal = FALSE;
break;
}
pMyDatatypes++;
}
/** Set the buffer length returned/required **/
if (bRetVal && FAILED(SizeTToDWord(cbTotal, pcbNeeded)))
{
SetLastError (ERROR_ARITHMETIC_OVERFLOW);
bRetVal = FALSE;
}
/** Fill in the array only if there is sufficient space **/
if (bRetVal && cbTotal <= cbBuf)
{
if ( NULL == pInfo1 ) //pInfo1 is same as pDatatypes
{
SetLastError (ERROR_INVALID_PARAMETER);
bRetVal = FALSE;
}
else
{
/** Pick up pointer to end of the given buffer **/
pEnd = (LPBYTE)pInfo1 + cbBuf;
/** Pick up our list of supported data types **/
pMyDatatypes = Datatypes;
/**
Fill in the given buffer. We put the data names at the end of
the buffer, working towards the front. The structures are put
at the front, working towards the end.
**/
while (*pMyDatatypes) {
if (FAILED(SizeTAdd(wcslen(*pMyDatatypes), 1, &tempSizeT)) || //+1 is for \0.
FAILED(SizeTToDWord(tempSizeT, &cchBuf)))
{
SetLastError (ERROR_ARITHMETIC_OVERFLOW);
bRetVal = FALSE;
break;
}
pEnd -= cchBuf*sizeof(WCHAR);
hr = StringCchCopy ( (LPWSTR)pEnd, cchBuf, *pMyDatatypes);
if ( FAILED(hr) )
{
//
// For the hr values returned by StringCchCopy, the following macro
// is sufficient
//
SetLastError (HRESULT_CODE(hr));
bRetVal = FALSE;
break;
}
pInfo1->pName = (LPWSTR)pEnd;
pInfo1++;
(*pcReturned)++;
pMyDatatypes++;
}
}
} else {
/** Caller didn't have large enough buffer, set error and return **/
SetLastError(ERROR_INSUFFICIENT_BUFFER);
bRetVal = FALSE;
}
return bRetVal;
}
/*++
*******************************************************************
O p e n P r i n t P r o c e s s o r
Routine Description:
Arguments:
pPrinterName => name of printer we are
opening for
pPrintProcessorOpenData => information used for opening
the print processor
Return Value:
PPRINTPROCESSORDATA => processor data of opened
processor if successful
NULL if failed - caller uses GetLastError for reason
NOTE: OpenPrinter will be called iff this returns a valid handle
(and we're not journal)
*******************************************************************
--*/
HANDLE
OpenPrintProcessor(
_In_ LPWSTR pPrinterName,
_In_ PPRINTPROCESSOROPENDATA pPrintProcessorOpenData
)
{
PPRINTPROCESSORDATA pData;
LPWSTR *pMyDatatypes = Datatypes;
DWORD uDatatype = 0;
HANDLE hPrinter = 0;
HDC hDC = 0;
PDEVMODEW pDevmode = NULL;
DWORD dwNewDevmodeSize = 0;
/** If the caller passed a NULL for the open data, fail the call.
pPrintProcessorOpenData->pDevMode can be NULL **/
if (!pPrintProcessorOpenData ||
!pPrintProcessorOpenData->pDatatype ||
!*pPrintProcessorOpenData->pDatatype) {
SetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
/** Search for the data type index we are opening for **/
while (*pMyDatatypes) {
if (!_wcsicmp(*pMyDatatypes,pPrintProcessorOpenData->pDatatype)) {
break;
}
pMyDatatypes++;
uDatatype++;
}
/** Allocate a buffer for the print processor data to return **/
pData = (PPRINTPROCESSORDATA)AllocSplMem(sizeof(PRINTPROCESSORDATA));
if (!pData) {
ODS(("Alloc failed in OpenPrintProcessor, while printing on %ws\n", pPrinterName));
return NULL;
}
ZeroMemory ( pData, sizeof (PRINTPROCESSORDATA) );
/** Open the processor accordingly **/
switch (uDatatype) {
case PRINTPROCESSOR_TYPE_RAW:
if (!OpenPrinter(pPrinterName, &hPrinter, NULL))
goto Fail;
break;
case PRINTPROCESSOR_TYPE_EMF_50_1:
case PRINTPROCESSOR_TYPE_EMF_50_2:
case PRINTPROCESSOR_TYPE_EMF_50_3:
if(pPrintProcessorOpenData->pDevMode)
{
if ( ! SUCCEEDED ( DWordAdd(pPrintProcessorOpenData->pDevMode->dmSize,
pPrintProcessorOpenData->pDevMode->dmDriverExtra,
&dwNewDevmodeSize) )
||
(NULL == (pDevmode=(PDEVMODE)AllocSplMem( dwNewDevmodeSize ) ) )
)
{
goto Fail;
}
memcpy(pDevmode,
pPrintProcessorOpenData->pDevMode,
pPrintProcessorOpenData->pDevMode->dmSize+
pPrintProcessorOpenData->pDevMode->dmDriverExtra);
}
break;
case PRINTPROCESSOR_TYPE_TEXT:
if ((hDC = CreateDC(
L"", pPrinterName, L"",
pPrintProcessorOpenData->pDevMode))
== NULL)
goto Fail;
break;
default:
SetLastError(ERROR_INVALID_DATATYPE);
goto Fail;
}
/** Fill in the print processors information **/
pData->cb = sizeof(PRINTPROCESSORDATA);
pData->signature = PRINTPROCESSORDATA_SIGNATURE;
pData->JobId = pPrintProcessorOpenData->JobId;
pData->hPrinter = hPrinter;
pData->semPaused = CreateEvent(NULL, TRUE, TRUE,NULL);
pData->uDatatype = uDatatype;
pData->hDC = hDC;
pData->Copies = 1;
pData->TabSize = BASE_TAB_SIZE;
/** Allocate and fill in the processors strings **/
pData->pPrinterName = AllocSplStr(pPrinterName);
pData->pDatatype = AllocSplStr(pPrintProcessorOpenData->pDatatype);
pData->pDocument = AllocSplStr(pPrintProcessorOpenData->pDocumentName);
pData->pOutputFile = AllocSplStr(pPrintProcessorOpenData->pOutputFile);
pData->pParameters = AllocSplStr(pPrintProcessorOpenData->pParameters);
pData->pDevmode = pDevmode;
pData->pPrinterNameFromOpenData = AllocSplStr(pPrintProcessorOpenData->pPrinterName);
//
// Check for validity of pData. In the AllocSplStr above, if RHS is non-null, then LHS
// should be non-null.
//
if ( NULL == pData->semPaused ||
( NULL != pPrinterName && NULL == pData->pPrinterName ) ||
( NULL != pPrintProcessorOpenData->pDatatype && NULL == pData->pDatatype ) ||
( NULL != pPrintProcessorOpenData->pDocumentName && NULL == pData->pDocument ) ||
( NULL != pPrintProcessorOpenData->pOutputFile && NULL == pData->pOutputFile ) ||
( NULL != pPrintProcessorOpenData->pParameters && NULL == pData->pParameters ) ||
( NULL != pPrintProcessorOpenData->pPrinterName && NULL == pData->pPrinterNameFromOpenData)
)
{
goto Fail;
}
/** Parse the parameters string **/
if (pData->pParameters) {
ULONG value;
USHORT length = sizeof(ULONG);
/**
Look to see if there is a COPIES=n key/value in the
Parameters field of this job. This tells us the number
of times to play the data.
**/
if (pData->pParameters) {
GetKeyValue(pData->pParameters,
pCopiesKey,
VALUE_ULONG,
&length,
&value);
if (length == sizeof(ULONG)) {
pData->Copies = value;
}
}
/** If this is a text job, see if the tab size is in there **/
if (uDatatype == PRINTPROCESSOR_TYPE_TEXT) {
length = sizeof(ULONG);
GetKeyValue(pData->pParameters,
pTabsKey,
VALUE_ULONG,
&length,
&value);
if ((length == sizeof(ULONG)) && value) {
pData->TabSize = value;
}
}
} /* If we have a parameter string */
/**
If we are doing copies, we need to check to see if
this is a direct or spooled job. If it is direct, then
we can't do copies because we can't rewind the data stream.
**/
if (pData->Copies > 1) {
ULONG Error;
PPRINTER_INFO_2 pPrinterInfo2;
/** If we don't already have the printer open, open it **/
if (uDatatype != PRINTPROCESSOR_TYPE_RAW
) {
OpenPrinter(pPrinterName, &hPrinter, NULL);
}
if (hPrinter && hPrinter != INVALID_HANDLE_VALUE) {
/** Get the printer info - this returns an allocated buffer **/
pPrinterInfo2 = (PPRINTER_INFO_2)GetPrinterInfo(hPrinter, 2, &Error);
/** If we couldn't get the info, be safe and don't do copies **/
if (!pPrinterInfo2) {
ODS(("GetPrinter failed - falling back to 1 copy\n"));
pData->Copies = 1;
}
else {
if (pPrinterInfo2->Attributes & PRINTER_ATTRIBUTE_DIRECT) {
pData->Copies = 1;
}
FreeSplMem((PUCHAR)pPrinterInfo2);
}
/** If we just opened the printer, close it **/
if (uDatatype != PRINTPROCESSOR_TYPE_RAW
) {
ClosePrinter(hPrinter);
}
}
else {
pData->Copies = 1;
}
}
return (HANDLE)pData;
Fail:
BReleasePPData(&pData);
return FALSE;
}
/*++
*******************************************************************
P r i n t D o c u m e n t O n P r i n t P r o c e s s o r
Routine Description:
Arguments:
hPrintProcessor
pDocumentName
Return Value:
TRUE if successful
FALSE if failed - GetLastError() will return reason
*******************************************************************
--*/
BOOL
PrintDocumentOnPrintProcessor(
_In_ HANDLE hPrintProcessor,
_In_ LPWSTR pDocumentName
)
{
PPRINTPROCESSORDATA pData;
/**
Make sure the handle is valid and pick up
the Print Processors data area.
**/
if ((pData = ValidateHandle(hPrintProcessor)) == NULL) {
return FALSE;
}
/**
Print the job based on its data type.
**/
switch (pData->uDatatype) {
case PRINTPROCESSOR_TYPE_EMF_50_1:
case PRINTPROCESSOR_TYPE_EMF_50_2:
case PRINTPROCESSOR_TYPE_EMF_50_3:
return PrintEMFJob( pData, pDocumentName );
break;
case PRINTPROCESSOR_TYPE_RAW:
return PrintRawJob(pData, pDocumentName);
break;
case PRINTPROCESSOR_TYPE_TEXT:
return PrintTextJob(pData, pDocumentName);
break;
} /* Case on data type */
/** Return success **/
return TRUE;
}
/*++
*******************************************************************
C l o s e P r i n t P r o c e s s o r
Routine Description:
Frees the resources used by an open print processor.
Arguments:
hPrintProcessor (HANDLE) => print processor to close
Return Value:
TRUE if successful
FALSE if failed - caller uses GetLastError for reason.
*******************************************************************
--*/
_Use_decl_annotations_
BOOL
ClosePrintProcessor(
HANDLE hPrintProcessor
)
{
PPRINTPROCESSORDATA pData;
/**
Make sure the handle is valid and pick up
the Print Processors data area.
**/
if ((pData = ValidateHandle(hPrintProcessor)) == NULL) {
return FALSE;
}
return BReleasePPData(&pData);
}
BOOL BReleasePPData(
_In_ PPRINTPROCESSORDATA * ppData )
{
PPRINTPROCESSORDATA pData = NULL;
if ( NULL == ppData || NULL == *ppData)
{
return FALSE;
}
pData = *ppData;
pData->signature = 0;
/* Release any allocated resources */
if (pData->hPrinter)
ClosePrinter(pData->hPrinter);
if (pData->hDC)
DeleteDC(pData->hDC);
if (pData->pDevmode)
FreeSplMem(pData->pDevmode);
if (pData->pPrinterNameFromOpenData)
FreeSplStr(pData->pPrinterNameFromOpenData);
if (pData->semPaused)
CloseHandle(pData->semPaused);
if (pData->pPrinterName)
FreeSplStr(pData->pPrinterName);
if (pData->pDatatype)
FreeSplStr(pData->pDatatype);
if (pData->pDocument)
FreeSplStr(pData->pDocument);
if (pData->pOutputFile)
FreeSplStr(pData->pOutputFile);
if (pData->pParameters)
FreeSplStr(pData->pParameters);
ZeroMemory ( pData, sizeof (PRINTPROCESSORDATA) );
FreeSplMem(pData);
*ppData = pData = NULL;
return TRUE;
}
/*++
*******************************************************************
C o n t r o l P r i n t P r o c e s s o r
Routine Description:
Handles commands to pause, resume, and cancel print jobs.
Arguments:
hPrintProcessor = HANDLE to the PrintProcessor the
command is issued for.
Return Value:
TRUE if command succeeded
FALSE if command failed (invalid command)
*******************************************************************
--*/
_Use_decl_annotations_
BOOL
ControlPrintProcessor(
HANDLE hPrintProcessor,
DWORD Command
)
{
PPRINTPROCESSORDATA pData;
/**
Make sure the handle is valid and pick up
the Print Processors data area.
**/
if ((pData = ValidateHandle(hPrintProcessor)) != NULL) {
switch (Command) {
case JOB_CONTROL_PAUSE:
ResetEvent(pData->semPaused);
pData->fsStatus |= PRINTPROCESSOR_PAUSED;
return TRUE;
break;
case JOB_CONTROL_CANCEL:
pData->fsStatus |= PRINTPROCESSOR_ABORTED;
if ((pData->uDatatype == PRINTPROCESSOR_TYPE_EMF_50_1) ||
(pData->uDatatype == PRINTPROCESSOR_TYPE_EMF_50_2) ||
(pData->uDatatype == PRINTPROCESSOR_TYPE_EMF_50_3))
CancelDC(pData->hDC);
/* Fall through to release job if paused */
case JOB_CONTROL_RESUME:
if (pData->fsStatus & PRINTPROCESSOR_PAUSED) {
SetEvent(pData->semPaused);
pData->fsStatus &= ~PRINTPROCESSOR_PAUSED;
}
return TRUE;
break;
default:
return FALSE;
break;
}
}
return FALSE;
}
/*++
*******************************************************************
V a l i d a t e H a n d l e
Routine Description:
Validates the given Print Processor HANDLE (which is
really a pointer to the Print Processor's data) by
checking for our signature.
Arguments:
hQProc (HANDLE) => Print Processor data structure. This
is verified as really being a pointer to the Print
Processor's data.
Return Value:
PPRINTPROCESSORDATA if successful (valid pointer passed)
NULL if failed - pointer was not valid
*******************************************************************
--*/
PPRINTPROCESSORDATA
ValidateHandle(
HANDLE hQProc
)
{
PPRINTPROCESSORDATA pData = NULL;
if ((NULL != hQProc) &&
(INVALID_HANDLE_VALUE != hQProc))
{
pData = (PPRINTPROCESSORDATA)hQProc;
// See if our signature exists in the suspected data region
if (PRINTPROCESSORDATA_SIGNATURE != pData->signature)
{
pData = NULL;
}
}
if (NULL == pData)
{
SetLastError(ERROR_INVALID_HANDLE);
}
return pData;
}
DWORD
GetPrintProcessorCapabilities(
_In_ LPTSTR pValueName,
_In_ DWORD dwAttributes,
_Out_writes_bytes_(nSize) LPBYTE pData,
_In_ DWORD nSize,
_Out_ LPDWORD pcbNeeded
)
/*++
Function Description: GetPrintProcessorCapabilities returns information about the
options supported by the print processor for the given datatype
in a PRINTPROCESSOR_CAPS_1 struct.
Parameters: pValueName -- datatype like RAW|NT EMF 1.006|TEXT|...
dwAttributes -- printer attributes
pData -- pointer to the buffer
nSize -- size of the buffer
pcbNeeded -- pointer to the variable to store the required buffer size
Return Values: Error Codes.
--*/
{
LPWSTR *pDatatypes = Datatypes;
DWORD dwDatatype = 0;
DWORD dwReturn = ERROR_SUCCESS;
DWORD dwLevel = 1;
// Check for valid parameters.
if ( !pcbNeeded )
{
dwReturn = ERROR_INVALID_PARAMETER;
goto CleanUp;
}
if ( nSize >= sizeof(PRINTPROCESSOR_CAPS_2) )
{
*pcbNeeded = sizeof(PRINTPROCESSOR_CAPS_2);
dwLevel = 2;
}
else if ( nSize >= sizeof(PRINTPROCESSOR_CAPS_1) )
{
*pcbNeeded = sizeof(PRINTPROCESSOR_CAPS_1);
dwLevel = 1;
}
else
{
*pcbNeeded = sizeof(PRINTPROCESSOR_CAPS_2);
dwReturn = ERROR_MORE_DATA;
goto CleanUp;
}
if ( !pData || !pValueName)
{
dwReturn = ERROR_INVALID_PARAMETER;
goto CleanUp;
}
// Loop to find the index of the datatype.
while (*pDatatypes) {
if (!_wcsicmp(*pDatatypes,pValueName)) {
break;
}
pDatatypes++;
dwDatatype++;
}
switch (dwLevel)
{
case 1:
FillInPPCForLevel1(
(PPRINTPROCESSOR_CAPS_1) pData,
dwDatatype,
dwAttributes);
break;
case 2:
FillInPPCForLevel2(
(PPRINTPROCESSOR_CAPS_2) pData,
dwDatatype,
dwAttributes);
break;
default:
dwReturn = ERROR_INVALID_PARAMETER;
}
CleanUp:
return dwReturn;
}
DWORD
FillInPPCForLevel1(
_Out_ PPRINTPROCESSOR_CAPS_1 ppcInfo,
DWORD dwDatatype,
_In_ DWORD dwAttributes
)
{
DWORD dwReturn = ERROR_SUCCESS;
ppcInfo->dwLevel = 1;
switch (dwDatatype) {
case PRINTPROCESSOR_TYPE_RAW:
case PRINTPROCESSOR_TYPE_TEXT:
ppcInfo->dwNupOptions = 1;
ppcInfo->dwNumberOfCopies = 0xffffffff; // maximum number of copies.
ppcInfo->dwPageOrderFlags = NORMAL_PRINT;
break;
case PRINTPROCESSOR_TYPE_EMF_50_1:
case PRINTPROCESSOR_TYPE_EMF_50_2:
case PRINTPROCESSOR_TYPE_EMF_50_3:
// For direct printing, masq. printers and print RAW only,
// EMF is not spooled. Dont expose EMF features in the UI.
if ((dwAttributes & PRINTER_ATTRIBUTE_DIRECT) ||
(dwAttributes & PRINTER_ATTRIBUTE_RAW_ONLY) ||
((dwAttributes & PRINTER_ATTRIBUTE_LOCAL) &&
(dwAttributes & PRINTER_ATTRIBUTE_NETWORK))) {
ppcInfo->dwNupOptions = 1;
ppcInfo->dwNumberOfCopies = 1;
ppcInfo->dwPageOrderFlags = NORMAL_PRINT;
} else {
ppcInfo->dwNupOptions = 0x0000812b; // for 1,2,4,6,9,16 up options.
ppcInfo->dwNumberOfCopies = 0xffffffff; // maximum number of copies.
ppcInfo->dwPageOrderFlags = REVERSE_PRINT | BOOKLET_PRINT;
}
break;
default:
// Should not happen since the spooler must check if the datatype is
// supported before calling this print processor.
dwReturn = ERROR_INVALID_DATATYPE;
}
return dwReturn;
}
DWORD
FillInPPCForLevel2(
_Out_ PPRINTPROCESSOR_CAPS_2 ppcInfo2,
DWORD dwDatatype,
_In_ DWORD dwAttributes
)
{
DWORD dwReturn = ERROR_SUCCESS;
// First Fill in Level 1
dwReturn = FillInPPCForLevel1(
(PPRINTPROCESSOR_CAPS_1) ppcInfo2,
dwDatatype,
dwAttributes);
if ( dwReturn != ERROR_SUCCESS )
{
goto CleanUp;
}
ppcInfo2->dwLevel = 2;
switch (dwDatatype) {
case PRINTPROCESSOR_TYPE_RAW:
case PRINTPROCESSOR_TYPE_TEXT:
ppcInfo2->dwNupDirectionCaps = 1;
ppcInfo2->dwScalingCaps = 0; //Scaling not supported.
break;
case PRINTPROCESSOR_TYPE_EMF_50_1:
case PRINTPROCESSOR_TYPE_EMF_50_2:
case PRINTPROCESSOR_TYPE_EMF_50_3:
// For direct printing, masq. printers and print RAW only,
// EMF is not spooled. Dont expose EMF features in the UI.
if ((dwAttributes & PRINTER_ATTRIBUTE_DIRECT) ||
(dwAttributes & PRINTER_ATTRIBUTE_RAW_ONLY) ||
((dwAttributes & PRINTER_ATTRIBUTE_LOCAL) &&
(dwAttributes & PRINTER_ATTRIBUTE_NETWORK)))
{
ppcInfo2->dwNupDirectionCaps = 0; //Nup not supported
ppcInfo2->dwNupBorderCaps = 0;
ppcInfo2->dwBookletHandlingCaps = 0;
ppcInfo2->dwDuplexHandlingCaps = 0;
ppcInfo2->dwScalingCaps = 0; //No Scaling
}
else
{
ppcInfo2->dwNupDirectionCaps = PPCAPS_RIGHT_THEN_DOWN |
PPCAPS_DOWN_THEN_RIGHT |
PPCAPS_LEFT_THEN_DOWN |
PPCAPS_DOWN_THEN_LEFT; //for 4 n-up directions.
ppcInfo2->dwNupBorderCaps = PPCAPS_BORDER_PRINT;
ppcInfo2->dwBookletHandlingCaps = PPCAPS_BOOKLET_EDGE;
ppcInfo2->dwDuplexHandlingCaps = PPCAPS_REVERSE_PAGES_FOR_REVERSE_DUPLEX |
PPCAPS_DONT_SEND_EXTRA_PAGES_FOR_DUPLEX;
ppcInfo2->dwScalingCaps = PPCAPS_SQUARE_SCALING; // Square scaling only
}
break;
default:
// Should not happen since the spooler must check if the datatype is
// supported before calling this print processor.
dwReturn = ERROR_INVALID_DATATYPE;
}
CleanUp:
return dwReturn;
}
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