You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.1 KiB
75 lines
2.1 KiB
/*****************************************************************************
|
|
*
|
|
* emit - Emit routines for MF3216
|
|
*
|
|
* Date: 7/17/91
|
|
* Author: Jeffrey Newman (c-jeffn)
|
|
*
|
|
* 01-Feb-1992 -by- c-jeffn
|
|
*
|
|
* Major code cleanup from Code review 1.
|
|
*
|
|
* Copyright (c) 1991,92 Microsoft Corp
|
|
*****************************************************************************/
|
|
|
|
#include "precomp.h"
|
|
#pragma hdrstop
|
|
|
|
/*----------------------------------------------------------------------------
|
|
* Emit (copy) nCount Bytes in pBuffer to the user supplied output buffer.
|
|
*
|
|
* If this is a size only request, send the bits to the bit-bucket and
|
|
* just keep track of the size.
|
|
*
|
|
* Note: ERROR_BUFFER_OVERFLOW flag is set in pLocalDC if output buffer
|
|
* is overrun.
|
|
*---------------------------------------------------------------------------*/
|
|
BOOL bEmit(PLOCALDC pLocalDC, PVOID pBuffer, DWORD nCount)
|
|
{
|
|
BOOL b ;
|
|
UINT ulBytesEmitted ;
|
|
|
|
b = TRUE ;
|
|
|
|
// Test for a size only request.
|
|
|
|
if (!(pLocalDC->flags & SIZE_ONLY))
|
|
{
|
|
ulBytesEmitted = pLocalDC->ulBytesEmitted ;
|
|
if ((ulBytesEmitted + nCount) <= pLocalDC->cMf16Dest)
|
|
{
|
|
memcpy(&(pLocalDC->pMf16Bits[ulBytesEmitted]), pBuffer, nCount) ;
|
|
b = TRUE ;
|
|
}
|
|
else
|
|
{
|
|
// Signal output buffer overflow error.
|
|
|
|
pLocalDC->flags |= ERR_BUFFER_OVERFLOW;
|
|
b = FALSE ;
|
|
RIP("MF3216: bEmit, (pLocalDC->ulBytesEmitted + nCount) > cMf16Dest \n") ;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
// Update the local DC byte count
|
|
|
|
pLocalDC->ulBytesEmitted += nCount ;
|
|
|
|
return(b) ;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
* Update the max record size. Used to update the metafile header.
|
|
*---------------------------------------------------------------------------*/
|
|
VOID vUpdateMaxRecord(PLOCALDC pLocalDC, PMETARECORD pmr)
|
|
{
|
|
|
|
if (pLocalDC->ulMaxRecord < pmr->rdSize)
|
|
pLocalDC->ulMaxRecord = pmr->rdSize;
|
|
|
|
}
|