xref: /plan9/sys/src/cmd/gs/src/sa85x.h (revision 593dc095aefb2a85c828727bbfa9da139a49bdf4)
1 /* Copyright (C) 1996, 2000 Aladdin Enterprises.  All rights reserved.
2 
3   This software is provided AS-IS with no warranty, either express or
4   implied.
5 
6   This software is distributed under license and may not be copied,
7   modified or distributed except as expressly authorized under the terms
8   of the license contained in the file LICENSE in this distribution.
9 
10   For more information about licensing, please refer to
11   http://www.ghostscript.com/licensing/. For information on
12   commercial licensing, go to http://www.artifex.com/licensing/ or
13   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
14   San Rafael, CA  94903, U.S.A., +1(415)492-9861.
15 */
16 
17 /* $Id: sa85x.h,v 1.6 2002/11/13 08:23:13 raph Exp $ */
18 /* ASCII85 filter interface */
19 /* Requires scommon.h; strimpl.h if any templates are referenced */
20 
21 #ifndef sa85x_INCLUDED
22 #  define sa85x_INCLUDED
23 
24 #include "sa85d.h"
25 
26 /* ASCII85Encode */
27 typedef struct stream_A85E_state_s {
28     stream_state_common;
29     /* The following change dynamically. */
30     int count;			/* # of digits since last EOL */
31     int last_char;		/* last character written */
32 } stream_A85E_state;
33 
34 #define private_st_A85E_state()	/* in sfilter2.c */\
35   gs_private_st_simple(st_A85E_state, stream_A85E_state,\
36     "ASCII85Encode state")
37 #define s_A85E_init_inline(ss)\
38   ((ss)->count = 0, (ss)->last_char = '\n', 0)
39 extern const stream_template s_A85E_template;
40 
41 #endif /* sa85x_INCLUDED */
42