1 /* ligkern_routines.h: The ligature/kerning table. 2 3 This file is part of Omega, 4 which is based on the web2c distribution of TeX, 5 6 Copyright (c) 1994--2001 John Plaice and Yannis Haralambous 7 8 Omega is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 Omega is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with Omega; if not, write to the Free Software Foundation, Inc., 20 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 21 22 */ 23 24 extern unsigned bchar; 25 extern unsigned bchar_label; 26 extern four_entries *lig_kern_table; 27 extern unsigned char *activity; 28 29 extern void set_label_command(unsigned); 30 extern void set_ligature_command(unsigned, unsigned, unsigned); 31 extern void set_kerning_command(unsigned, fix); 32 extern void set_stop_command(void); 33 extern void set_skip_command(unsigned); 34 extern void build_kern_table(void); 35 extern void set_boundary_character(unsigned); 36 37 extern void check_ligature_program(unsigned,unsigned); 38 extern void check_ligature_ends_properly(void); 39 extern void check_ligature_infinite_loops(void); 40 extern void doublecheck_ligatures(void); 41 42 extern void print_ligkern_table(void); 43 extern void init_ligkern(void); 44 45 #define PRIME 1009 46 47 #define KERN_FLAG 128 48 #define STOP_FLAG 128 49 50 51 extern void set_c_label_command(unsigned); 52 extern void set_c_kerning_command(unsigned, fix); 53 extern void set_c_glue_command(unsigned, unsigned); 54 extern void set_c_penalty_command(unsigned, unsigned); 55 extern void set_c_penglue_command(unsigned, unsigned, unsigned); 56 57 extern unsigned nl; 58 extern unsigned nk; 59 60 extern void output_ofm_ligkern(void); 61 extern void retrieve_ligkern_table(unsigned char *, unsigned char *); 62 extern void print_one_lig_kern_entry(four_entries *, boolean); 63