| /* 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. */ |
| |
| /* gxtype1.h */ |
| /* Private Adobe Type 1 font definitions for GhostScript library */ |
| #include "gstype1.h" |
| |
| /* Define the charstring command set */ |
| typedef enum { |
| c_undef0 = 0, |
| c_hstem = 1, |
| c_undef2 = 2, |
| c_vstem = 3, |
| c_vmoveto = 4, |
| c_rlineto = 5, |
| c_hlineto = 6, |
| c_vlineto = 7, |
| c_rrcurveto = 8, |
| c_closepath = 9, |
| c_callsubr = 10, |
| c_return = 11, |
| c_escape = 12, /* extends the command set */ |
| c_hsbw = 13, |
| c_endchar = 14, |
| c_undef15 = 15, |
| c_undef16 = 16, |
| c_undef17 = 17, |
| c_undef18 = 18, |
| c_undef19 = 19, |
| c_undef20 = 20, |
| c_rmoveto = 21, |
| c_hmoveto = 22, |
| c_undef23 = 23, |
| c_undef24 = 24, |
| c_undef25 = 25, |
| c_undef26 = 26, |
| c_undef27 = 27, |
| c_undef28 = 28, |
| c_undef29 = 29, |
| c_vhcurveto = 30, |
| c_hvcurveto = 31 |
| } char_command; |
| typedef enum { /* extended commands */ |
| ce_dotsection = 0, |
| ce_vstem3 = 1, |
| ce_hstem3 = 2, |
| ce_seac = 6, |
| ce_sbw = 7, |
| ce_div = 12, |
| ce_testadd = 15, /****** UNDOCUMENTED BY ADOBE ******/ |
| ce_callothersubr = 16, |
| ce_pop = 17, |
| ce_setcurrentpoint = 33 |
| } char_extended_command; |
| |
| /* Define the encoding of numbers */ |
| #define c_min_num 32 |
| #define c_max_num1 246 |
| #define c_value_num1(ch) ((int)(byte)(ch) - 139) |
| #define c_max_num2 250 |
| #define c_value_num2(c1,c2)\ |
| (((int)(byte)((c1) - 247) << 8) + (int)(byte)(c2) + 108) |
| #define c_max_num3 254 |
| #define c_value_num3(c1,c2)\ |
| -(((int)(byte)((c1) - 251) << 8) + (int)(byte)(c2) + 108) |
| /* Otherwise, the first byte is 255, followed by a 32-bit 2's complement */ |
| /* number in big-endian order. */ |
| |
| /* Define the encryption parameters */ |
| #define crypt_c1 ((ushort)52845) |
| #define crypt_c2 ((ushort)22719) |
| #define encrypt_next(ch, state, chvar)\ |
| chvar = ((ch) ^ (state >> 8)),\ |
| state = (chvar + state) * crypt_c1 + crypt_c2 |
| #define decrypt_next(ch, state, chvar)\ |
| chvar = ((ch) ^ (state >> 8)),\ |
| state = ((ch) + state) * crypt_c1 + crypt_c2 |
