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/* Copyright (C) 1997 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: gxcllzw.c,v 1.4 2002/02/21 22:24:53 giles Exp $ */
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/* LZW filter initialization for RAM-based band lists */
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#include "std.h"
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#include "gstypes.h"
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#include "gsmemory.h"
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#include "gxclmem.h"
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#include "slzwx.h"
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private stream_LZW_state cl_LZWE_state;
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private stream_LZW_state cl_LZWD_state;
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/* Initialize the states to be copied. */
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void
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gs_cl_lzw_init(gs_memory_t * mem)
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{
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s_LZW_set_defaults((stream_state *) & cl_LZWE_state);
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cl_LZWE_state.template = &s_LZWE_template;
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s_LZW_set_defaults((stream_state *) & cl_LZWD_state);
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cl_LZWD_state.template = &s_LZWD_template;
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}
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/* Return the prototypes for compressing/decompressing the band list. */
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const stream_state *
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clist_compressor_state(void *client_data)
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{
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return (const stream_state *)&cl_LZWE_state;
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}
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const stream_state *
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clist_decompressor_state(void *client_data)
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{
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return (const stream_state *)&cl_LZWD_state;
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}
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