gnu/dist/groff/src/preproc/eqn/pbox.h

   1 /*      $NetBSD$        */
   2
   3 // -*- C++ -*-
   4 /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
   5      Written by James Clark (jjc@jclark.com)
   6
   7 This file is part of groff.
   8
   9 groff is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 2, or (at your option) any later
  12 version.
  13
  14 groff is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License along
  20 with groff; see the file COPYING.  If not, write to the Free Software
  21 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
  22
  23 extern int fat_offset;
  24
  25 extern int over_hang;
  26 extern int accent_width;
  27
  28 extern int delimiter_factor;
  29 extern int delimiter_shortfall;
  30
  31 extern int null_delimiter_space;
  32 extern int script_space;
  33 extern int thin_space;
  34 extern int medium_space;
  35 extern int thick_space;
  36
  37 extern int num1;
  38 extern int num2;
  39 // we don't use num3, because we don't have \atop
  40 extern int denom1;
  41 extern int denom2;
  42 extern int axis_height;
  43 extern int sup1;
  44 extern int sup2;
  45 extern int sup3;
  46 extern int default_rule_thickness;
  47 extern int sub1;
  48 extern int sub2;
  49 extern int sup_drop;
  50 extern int sub_drop;
  51 extern int x_height;
  52 extern int big_op_spacing1;
  53 extern int big_op_spacing2;
  54 extern int big_op_spacing3;
  55 extern int big_op_spacing4;
  56 extern int big_op_spacing5;
  57
  58 extern int baseline_sep;
  59 extern int shift_down;
  60 extern int column_sep;
  61 extern int matrix_side_sep;
  62
  63 // ms.eqn relies on this!
  64
  65 #define LINE_STRING "10"
  66 #define MARK_OR_LINEUP_FLAG_REG "MK"
  67
  68 #define WIDTH_FORMAT PREFIX "w%d"
  69 #define HEIGHT_FORMAT PREFIX "h%d"
  70 #define DEPTH_FORMAT PREFIX "d%d"
  71 #define TOTAL_FORMAT PREFIX "t%d"
  72 #define SIZE_FORMAT PREFIX "z%d"
  73 #define SMALL_SIZE_FORMAT PREFIX "Z%d"
  74 #define SUP_RAISE_FORMAT PREFIX "p%d"
  75 #define SUB_LOWER_FORMAT PREFIX "b%d"
  76 #define SUB_KERN_FORMAT PREFIX "k%d"
  77 #define FONT_FORMAT PREFIX "f%d"
  78 #define SKEW_FORMAT PREFIX "s%d"
  79 #define LEFT_WIDTH_FORMAT PREFIX "lw%d"
  80 #define LEFT_DELIM_STRING_FORMAT PREFIX "l%d"
  81 #define RIGHT_DELIM_STRING_FORMAT PREFIX "r%d"
  82 #define SQRT_STRING_FORMAT PREFIX "sqr%d"
  83 #define SQRT_WIDTH_FORMAT PREFIX "sq%d"
  84 #define BASELINE_SEP_FORMAT PREFIX "bs%d"
  85 // this needs two parameters, the uid and the column index
  86 #define COLUMN_WIDTH_FORMAT PREFIX "cw%d,%d"
  87
  88 #define BAR_STRING PREFIX "sqb"
  89 #define TEMP_REG PREFIX "temp"
  90 #define MARK_REG PREFIX "mark"
  91 #define MARK_WIDTH_REG PREFIX "mwidth"
  92 #define SAVED_MARK_REG PREFIX "smark"
  93 #define MAX_SIZE_REG PREFIX "mxsz"
  94 #define REPEAT_APPEND_STRING_MACRO PREFIX "ras"
  95 #define TOP_HEIGHT_REG PREFIX "th"
  96 #define TOP_DEPTH_REG PREFIX "td"
  97 #define MID_HEIGHT_REG PREFIX "mh"
  98 #define MID_DEPTH_REG PREFIX "md"
  99 #define BOT_HEIGHT_REG PREFIX "bh"
 100 #define BOT_DEPTH_REG PREFIX "bd"
 101 #define EXT_HEIGHT_REG PREFIX "eh"
 102 #define EXT_DEPTH_REG PREFIX "ed"
 103 #define TOTAL_HEIGHT_REG PREFIX "tot"
 104 #define DELTA_REG PREFIX "delta"
 105 #define DELIM_STRING PREFIX "delim"
 106 #define DELIM_WIDTH_REG PREFIX "dwidth"
 107 #define SAVED_FONT_REG PREFIX "sfont"
 108 #define SAVED_PREV_FONT_REG PREFIX "spfont"
 109 #define SAVED_INLINE_FONT_REG PREFIX "sifont"
 110 #define SAVED_INLINE_PREV_FONT_REG PREFIX "sipfont"
 111 #define SAVED_SIZE_REG PREFIX "ssize"
 112 #define SAVED_INLINE_SIZE_REG PREFIX "sisize"
 113 #define SAVED_INLINE_PREV_SIZE_REG PREFIX "sipsize"
 114 #define SAVE_FONT_STRING PREFIX "sfont"
 115 #define RESTORE_FONT_STRING PREFIX "rfont"
 116 #define INDEX_REG PREFIX "i"
 117 #define TEMP_MACRO PREFIX "tempmac"
 118
 119 #define DELIMITER_CHAR "\\(EQ"
 120
 121 const int CRAMPED_SCRIPT_STYLE = 0;
 122 const int SCRIPT_STYLE = 1;
 123 const int CRAMPED_DISPLAY_STYLE = 2;
 124 const int DISPLAY_STYLE = 3;
 125
 126 extern int script_style(int);
 127 extern int cramped_style(int);
 128
 129 const int ORDINARY_TYPE = 0;
 130 const int OPERATOR_TYPE = 1;
 131 const int BINARY_TYPE = 2;
 132 const int RELATION_TYPE = 3;
 133 const int OPENING_TYPE = 4;
 134 const int CLOSING_TYPE = 5;
 135 const int PUNCTUATION_TYPE = 6;
 136 const int INNER_TYPE = 7;
 137 const int SUPPRESS_TYPE = 8;
 138
 139 void set_script_size();
 140
 141 enum { HINT_PREV_IS_ITALIC = 01, HINT_NEXT_IS_ITALIC = 02 };
 142
 143 extern const char *current_roman_font;