1 /* Copyright (C) 1995 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: sbtx.h,v 1.4 2002/02/21 22:24:53 giles Exp $ */ 18 /* Definitions for ByteTranslate filters */ 19 /* Requires scommon.h; strimpl.h if any templates are referenced */ 20 21 #ifndef sbtx_INCLUDED 22 # define sbtx_INCLUDED 23 24 /* ByteTranslateEncode/Decode */ 25 typedef struct stream_BT_state_s { 26 stream_state_common; 27 byte table[256]; 28 } stream_BT_state; 29 typedef stream_BT_state stream_BTE_state; 30 typedef stream_BT_state stream_BTD_state; 31 32 #define private_st_BT_state() /* in sfilter1.c */\ 33 gs_private_st_simple(st_BT_state, stream_BT_state,\ 34 "ByteTranslateEncode/Decode state") 35 extern const stream_template s_BTE_template; 36 extern const stream_template s_BTD_template; 37 38 #endif /* sbtx_INCLUDED */ 39