/* 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: gxclzlib.c 8022 2007-06-05 22:23:38Z giles $ */
/* zlib filter initialization for RAM-based band lists */
/* Must be compiled with -I$(ZSRCDIR) */
#include "std.h"
#include "gstypes.h"
#include "gsmemory.h"
#include "gxclmem.h"
#include "szlibx.h"

private stream_zlib_state cl_zlibE_state;
private stream_zlib_state cl_zlibD_state;

/* Initialize the states to be copied. */
int
gs_cl_zlib_init(gs_memory_t * mem)
{
    s_zlib_set_defaults((stream_state *) & cl_zlibE_state);
    cl_zlibE_state.no_wrapper = true;
    cl_zlibE_state.template = &s_zlibE_template;
    s_zlib_set_defaults((stream_state *) & cl_zlibD_state);
    cl_zlibD_state.no_wrapper = true;
    cl_zlibD_state.template = &s_zlibD_template;
    return 0;
}

/* Return the prototypes for compressing/decompressing the band list. */
const stream_state *
clist_compressor_state(void *client_data)
{
    return (const stream_state *)&cl_zlibE_state;
}
const stream_state *
clist_decompressor_state(void *client_data)
{
    return (const stream_state *)&cl_zlibD_state;
}