/* Copyright (C) 2001-2006 Artifex Software, Inc.
   All Rights Reserved.
  
   This software is provided AS-IS with no warranty, either express or
   implied.

   This software is distributed under license and may not be copied, modified
   or distributed except as expressly authorized under the terms of that
   license.  Refer to licensing information at http://www.artifex.com/
   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
*/
/* $Id: zdfilter.c 8022 2007-06-05 22:23:38Z giles $ */
/* PostScript operators for managing the device filter stack */

/* We probably don't need all of these, they were copied from zdevice.c. */
#include "string_.h"
#include "ghost.h"
#include "oper.h"
#include "ialloc.h"
#include "idict.h"
#include "igstate.h"
#include "iname.h"
#include "interp.h"
#include "iparam.h"
#include "ivmspace.h"
#include "gsmatrix.h"
#include "gsstate.h"
#include "gxdevice.h"
#include "store.h"
#include "gsdfilt.h"

/* pushpdf14devicefilter is defined in ztrans.c */

/* - .popdevicefilter - */
private int
zpopdevicefilter(i_ctx_t *i_ctx_p)
{
    gs_memory_t *mem = gs_memory_stable(imemory);

    return gs_pop_device_filter(mem, igs);
}

const op_def zdfilter_op_defs[] =
{
    {"0.popdevicefilter", zpopdevicefilter},
    op_def_end(0)
};
