diff options
Diffstat (limited to 'src/preproc/eqn/pbox.h')
| -rw-r--r-- | src/preproc/eqn/pbox.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/preproc/eqn/pbox.h b/src/preproc/eqn/pbox.h new file mode 100644 index 0000000..b185419 --- /dev/null +++ b/src/preproc/eqn/pbox.h @@ -0,0 +1,140 @@ +// -*- C++ -*- +/* Copyright (C) 1989-2020 Free Software Foundation, Inc. + Written by James Clark (jjc@jclark.com) + +This file is part of groff. + +groff is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation, either version 3 of the License, or +(at your option) any later version. + +groff is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +extern int fat_offset; + +extern int over_hang; +extern int accent_width; + +extern int delimiter_factor; +extern int delimiter_shortfall; + +extern int null_delimiter_space; +extern int script_space; +extern int thin_space; +extern int medium_space; +extern int thick_space; + +extern int num1; +extern int num2; +// we don't use num3, because we don't have \atop +extern int denom1; +extern int denom2; +extern int axis_height; +extern int sup1; +extern int sup2; +extern int sup3; +extern int default_rule_thickness; +extern int sub1; +extern int sub2; +extern int sup_drop; +extern int sub_drop; +extern int x_height; +extern int big_op_spacing1; +extern int big_op_spacing2; +extern int big_op_spacing3; +extern int big_op_spacing4; +extern int big_op_spacing5; + +extern int baseline_sep; +extern int shift_down; +extern int column_sep; +extern int matrix_side_sep; + +// ms.eqn relies on this! + +#define LINE_STRING "10" +#define MARK_OR_LINEUP_FLAG_REG "MK" + +#define WIDTH_FORMAT PREFIX "w%d" +#define HEIGHT_FORMAT PREFIX "h%d" +#define DEPTH_FORMAT PREFIX "d%d" +#define TOTAL_FORMAT PREFIX "t%d" +#define SIZE_FORMAT PREFIX "z%d" +#define SMALL_SIZE_FORMAT PREFIX "Z%d" +#define SUP_RAISE_FORMAT PREFIX "p%d" +#define SUB_LOWER_FORMAT PREFIX "b%d" +#define SUB_KERN_FORMAT PREFIX "k%d" +#define FONT_FORMAT PREFIX "f%d" +#define SKEW_FORMAT PREFIX "s%d" +#define LEFT_WIDTH_FORMAT PREFIX "lw%d" +#define LEFT_DELIM_STRING_FORMAT PREFIX "l%d" +#define RIGHT_DELIM_STRING_FORMAT PREFIX "r%d" +#define SQRT_STRING_FORMAT PREFIX "sqr%d" +#define SQRT_WIDTH_FORMAT PREFIX "sq%d" +#define BASELINE_SEP_FORMAT PREFIX "bs%d" +// this needs two parameters, the uid and the column index +#define COLUMN_WIDTH_FORMAT PREFIX "cw%d,%d" + +#define BAR_STRING PREFIX "sqb" +#define TEMP_REG PREFIX "temp" +#define MARK_REG PREFIX "mark" +#define MARK_WIDTH_REG PREFIX "mwidth" +#define SAVED_MARK_REG PREFIX "smark" +#define MAX_SIZE_REG PREFIX "mxsz" +#define REPEAT_APPEND_STRING_MACRO PREFIX "ras" +#define TOP_HEIGHT_REG PREFIX "th" +#define TOP_DEPTH_REG PREFIX "td" +#define MID_HEIGHT_REG PREFIX "mh" +#define MID_DEPTH_REG PREFIX "md" +#define BOT_HEIGHT_REG PREFIX "bh" +#define BOT_DEPTH_REG PREFIX "bd" +#define EXT_HEIGHT_REG PREFIX "eh" +#define EXT_DEPTH_REG PREFIX "ed" +#define TOTAL_HEIGHT_REG PREFIX "tot" +#define DELTA_REG PREFIX "delta" +#define DELIM_STRING PREFIX "delim" +#define DELIM_WIDTH_REG PREFIX "dwidth" +#define SAVED_FONT_REG PREFIX "sfont" +#define SAVED_PREV_FONT_REG PREFIX "spfont" +#define SAVED_INLINE_FONT_REG PREFIX "sifont" +#define SAVED_INLINE_PREV_FONT_REG PREFIX "sipfont" +#define SAVED_SIZE_REG PREFIX "ssize" +#define SAVED_INLINE_SIZE_REG PREFIX "sisize" +#define SAVED_INLINE_PREV_SIZE_REG PREFIX "sipsize" +#define SAVE_FONT_STRING PREFIX "sfont" +#define RESTORE_FONT_STRING PREFIX "rfont" +#define INDEX_REG PREFIX "i" +#define TEMP_MACRO PREFIX "tempmac" + +#define DELIMITER_CHAR "\\(EQ" + +const int CRAMPED_SCRIPT_STYLE = 0; +const int SCRIPT_STYLE = 1; +const int CRAMPED_DISPLAY_STYLE = 2; +const int DISPLAY_STYLE = 3; + +extern int script_style(int); +extern int cramped_style(int); + +const int ORDINARY_TYPE = 0; +const int OPERATOR_TYPE = 1; +const int BINARY_TYPE = 2; +const int RELATION_TYPE = 3; +const int OPENING_TYPE = 4; +const int CLOSING_TYPE = 5; +const int PUNCTUATION_TYPE = 6; +const int INNER_TYPE = 7; +const int SUPPRESS_TYPE = 8; + +void set_script_size(); + +enum { HINT_PREV_IS_ITALIC = 01, HINT_NEXT_IS_ITALIC = 02 }; + +extern const char *current_roman_font; |