/*++
*******************************************************************
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;
}
VOID GdiSAPCallback(PLDC pldc)
{
DWORD Time, NewTime = GetTickCount();
Time = NewTime - pldc->CallBackTick;
if ( Time < SAPCALLBACKDELAY) return;
pldc->CallBackTick = NewTime;
if ( !pldc->pAbortProc(pldc->hDC, 0) )
{
CancelDC(pldc->hDC);
AbortDoc(pldc->hDC);
}
}
