| /* Copyright (C) 1990 Aladdin Enterprises. All rights reserved. |
| Distributed by Free Software Foundation, Inc. |
| |
| This file is part of Ghostscript. |
| |
| Ghostscript is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY. No author or distributor accepts responsibility |
| to anyone for the consequences of using it or for whether it serves any |
| particular purpose or works at all, unless he says so in writing. Refer |
| to the Ghostscript General Public License for full details. |
| |
| Everyone is granted permission to copy, modify and redistribute |
| Ghostscript, but only under the conditions described in the Ghostscript |
| General Public License. A copy of this license is supposed to have been |
| given to you along with Ghostscript so you can know your rights and |
| responsibilities. It should be in a file named COPYING. Among other |
| things, the copyright notice and this notice must be preserved on all |
| copies. */ |
| |
| /* gstype1.h */ |
| /* Client interface to Adobe Type 1 font rouines for GhostScript library */ |
| |
| /* Encrypt/decrypt procedures */ |
| typedef ushort crypt_state; |
| #define crypt_charstring_seed 4330 |
| int gs_type1_encrypt(P4(byte *dest, byte *src, uint len, crypt_state *)); |
| int gs_type1_decrypt(P4(byte *dest, byte *src, uint len, crypt_state *)); |
| |
| /* CharString interpreter */ |
| typedef struct gs_type1_state_s gs_type1_state; |
| extern int gs_type1_state_sizeof; |
| struct gs_show_enum_s; |
| struct gs_type1_data_s; |
| int gs_type1_init(P6(gs_type1_state *pis, struct gs_show_enum_s *penum, |
| int charpath_flag, int paint_type, |
| byte *charstring, struct gs_type1_data_s *pdata)); |
| /* Continue interpreting a Type 1 CharString. */ |
| /* If str != 0, it is taken as the byte string to interpret. */ |
| /* Return 0 on successful completion, <0 on error, */ |
| /* (code<<1)+1 for seac, or (N+1)<<1 for callothersubr(N). */ |
| int gs_type1_interpret(P2(gs_type1_state *, byte *)); |
| /* Pop a (fixed) number off the internal stack */ |
| int gs_type1_pop(P2(gs_type1_state *, fixed *)); |