diff options
Diffstat (limited to 'contrib/groff/eqn/other.cc')
| -rw-r--r-- | contrib/groff/eqn/other.cc | 601 |
1 files changed, 0 insertions, 601 deletions
diff --git a/contrib/groff/eqn/other.cc b/contrib/groff/eqn/other.cc deleted file mode 100644 index eb9e50a..0000000 --- a/contrib/groff/eqn/other.cc +++ /dev/null @@ -1,601 +0,0 @@ -// -*- C++ -*- -/* Copyright (C) 1989, 1990, 1991, 1992 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 2, 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 groff; see the file COPYING. If not, write to the Free Software -Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "eqn.h" -#include "pbox.h" - -class accent_box : public pointer_box { -private: - box *ab; -public: - accent_box(box *, box *); - ~accent_box(); - int compute_metrics(int); - void output(); - void debug_print(); - void check_tabs(int); -}; - -box *make_accent_box(box *p, box *q) -{ - return new accent_box(p, q); -} - -accent_box::accent_box(box *pp, box *qq) : pointer_box(pp), ab(qq) -{ -} - -accent_box::~accent_box() -{ - delete ab; -} - -#if 0 -int accent_box::compute_metrics(int style) -{ - int r = p->compute_metrics(style); - p->compute_skew(); - ab->compute_metrics(style); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]\n", uid, p->uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]\n", uid, p->uid); - printf(".nr " SUP_RAISE_FORMAT " \\n[" HEIGHT_FORMAT "]-%dM>?0\n", - uid, p->uid, x_height); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]+\\n[" - SUP_RAISE_FORMAT "]\n", - uid, ab->uid, uid); - return r; -} - -void accent_box::output() -{ - printf("\\h'\\n[" WIDTH_FORMAT "]u-\\n[" WIDTH_FORMAT "]u/2u+\\n[" - SKEW_FORMAT "]u'", - p->uid, ab->uid, p->uid); - printf("\\v'-\\n[" SUP_RAISE_FORMAT "]u'", uid); - ab->output(); - printf("\\h'-\\n[" WIDTH_FORMAT "]u'", ab->uid); - printf("\\v'\\n[" SUP_RAISE_FORMAT "]u'", uid); - printf("\\h'-(\\n[" WIDTH_FORMAT "]u-\\n[" WIDTH_FORMAT "]u/2u+\\n[" - SKEW_FORMAT "]u)'", - p->uid, ab->uid, p->uid); - p->output(); -} -#endif - -/* This version copes with the possibility of an accent's being wider -than its accentee. LEFT_WIDTH_FORMAT gives the distance from the -left edge of the resulting box to the middle of the accentee's box.*/ - -int accent_box::compute_metrics(int style) -{ - int r = p->compute_metrics(style); - p->compute_skew(); - ab->compute_metrics(style); - printf(".nr " LEFT_WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]/2" - ">?(\\n[" WIDTH_FORMAT "]/2-\\n[" SKEW_FORMAT "])\n", - uid, p->uid, ab->uid, p->uid); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]/2" - ">?(\\n[" WIDTH_FORMAT "]/2+\\n[" SKEW_FORMAT "])" - "+\\n[" LEFT_WIDTH_FORMAT "]\n", - uid, p->uid, ab->uid, p->uid, uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]\n", uid, p->uid); - printf(".nr " SUP_RAISE_FORMAT " \\n[" HEIGHT_FORMAT "]-%dM>?0\n", - uid, p->uid, x_height); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]+\\n[" - SUP_RAISE_FORMAT "]\n", - uid, ab->uid, uid); - if (r) - printf(".nr " MARK_REG " +\\n[" LEFT_WIDTH_FORMAT "]" - "-(\\n[" WIDTH_FORMAT "]/2)'\n", - uid, p->uid); - return r; -} - -void accent_box::output() -{ - printf("\\Z" DELIMITER_CHAR); - printf("\\h'\\n[" LEFT_WIDTH_FORMAT "]u+\\n[" SKEW_FORMAT "]u" - "-(\\n[" WIDTH_FORMAT "]u/2u)'", - uid, p->uid, ab->uid); - printf("\\v'-\\n[" SUP_RAISE_FORMAT "]u'", uid); - ab->output(); - printf(DELIMITER_CHAR); - printf("\\Z" DELIMITER_CHAR); - printf("\\h'\\n[" LEFT_WIDTH_FORMAT "]u-(\\n[" WIDTH_FORMAT "]u/2u)'", - uid, p->uid); - p->output(); - printf(DELIMITER_CHAR); - printf("\\h'\\n[" WIDTH_FORMAT "]u'", uid); -} - -void accent_box::check_tabs(int level) -{ - ab->check_tabs(level + 1); - p->check_tabs(level + 1); -} - -void accent_box::debug_print() -{ - fprintf(stderr, "{ "); - p->debug_print(); - fprintf(stderr, " } accent { "); - ab->debug_print(); - fprintf(stderr, " }"); -} - -class overline_char_box : public simple_box { -public: - overline_char_box(); - void output(); - void debug_print(); -}; - -overline_char_box::overline_char_box() -{ -} - -void overline_char_box::output() -{ - printf("\\v'-%dM/2u-%dM'", 7*default_rule_thickness, x_height); - printf((draw_flag ? "\\D'l%dM 0'" : "\\l'%dM\\&\\(ru'"), - accent_width); - printf("\\v'%dM/2u+%dM'", 7*default_rule_thickness, x_height); -} - -void overline_char_box::debug_print() -{ - fprintf(stderr, "<overline char>"); -} - -class overline_box : public pointer_box { -public: - overline_box(box *); - int compute_metrics(int); - void output(); - void debug_print(); -}; - -box *make_overline_box(box *p) -{ - if (p->is_char()) - return new accent_box(p, new overline_char_box); - else - return new overline_box(p); -} - -overline_box::overline_box(box *pp) : pointer_box(pp) -{ -} - -int overline_box::compute_metrics(int style) -{ - int r = p->compute_metrics(cramped_style(style)); - // 9 - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]+%dM\n", - uid, p->uid, default_rule_thickness*5); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]\n", uid, p->uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]\n", uid, p->uid); - return r; -} - -void overline_box::output() -{ - // 9 - printf("\\Z" DELIMITER_CHAR); - printf("\\v'-\\n[" HEIGHT_FORMAT "]u-(%dM/2u)'", - p->uid, 7*default_rule_thickness); - if (draw_flag) - printf("\\D'l\\n[" WIDTH_FORMAT "]u 0'", p->uid); - else - printf("\\l'\\n[" WIDTH_FORMAT "]u\\&\\(ru'", p->uid); - printf(DELIMITER_CHAR); - p->output(); -} - -void overline_box::debug_print() -{ - fprintf(stderr, "{ "); - p->debug_print(); - fprintf(stderr, " } bar"); -} - -class uaccent_box : public pointer_box { - box *ab; -public: - uaccent_box(box *, box *); - ~uaccent_box(); - int compute_metrics(int); - void output(); - void compute_subscript_kern(); - void check_tabs(int); - void debug_print(); -}; - -box *make_uaccent_box(box *p, box *q) -{ - return new uaccent_box(p, q); -} - -uaccent_box::uaccent_box(box *pp, box *qq) -: pointer_box(pp), ab(qq) -{ -} - -uaccent_box::~uaccent_box() -{ - delete ab; -} - -int uaccent_box::compute_metrics(int style) -{ - int r = p->compute_metrics(style); - ab->compute_metrics(style); - printf(".nr " LEFT_WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]/2" - ">?(\\n[" WIDTH_FORMAT "]/2)\n", - uid, p->uid, ab->uid); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]/2" - ">?(\\n[" WIDTH_FORMAT "]/2)" - "+\\n[" LEFT_WIDTH_FORMAT "]\n", - uid, p->uid, ab->uid, uid); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]\n", uid, p->uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]" - "+\\n[" DEPTH_FORMAT "]\n", - uid, p->uid, ab->uid); - if (r) - printf(".nr " MARK_REG " +\\n[" LEFT_WIDTH_FORMAT "]" - "-(\\n[" WIDTH_FORMAT "]/2)'\n", - uid, p->uid); - return r; -} - -void uaccent_box::output() -{ - printf("\\Z" DELIMITER_CHAR); - printf("\\h'\\n[" LEFT_WIDTH_FORMAT "]u-(\\n[" WIDTH_FORMAT "]u/2u)'", - uid, ab->uid); - printf("\\v'\\n[" DEPTH_FORMAT "]u'", p->uid); - ab->output(); - printf(DELIMITER_CHAR); - printf("\\Z" DELIMITER_CHAR); - printf("\\h'\\n[" LEFT_WIDTH_FORMAT "]u-(\\n[" WIDTH_FORMAT "]u/2u)'", - uid, p->uid); - p->output(); - printf(DELIMITER_CHAR); - printf("\\h'\\n[" WIDTH_FORMAT "]u'", uid); -} - -void uaccent_box::check_tabs(int level) -{ - ab->check_tabs(level + 1); - p->check_tabs(level + 1); -} - -void uaccent_box::compute_subscript_kern() -{ - box::compute_subscript_kern(); // want 0 subscript kern -} - -void uaccent_box::debug_print() -{ - fprintf(stderr, "{ "); - p->debug_print(); - fprintf(stderr, " } uaccent { "); - ab->debug_print(); - fprintf(stderr, " }"); -} - -class underline_char_box : public simple_box { -public: - underline_char_box(); - void output(); - void debug_print(); -}; - -underline_char_box::underline_char_box() -{ -} - -void underline_char_box::output() -{ - printf("\\v'%dM/2u'", 7*default_rule_thickness); - printf((draw_flag ? "\\D'l%dM 0'" : "\\l'%dM\\&\\(ru'"), - accent_width); - printf("\\v'-%dM/2u'", 7*default_rule_thickness); -} - -void underline_char_box::debug_print() -{ - fprintf(stderr, "<underline char>"); -} - - -class underline_box : public pointer_box { -public: - underline_box(box *); - int compute_metrics(int); - void output(); - void compute_subscript_kern(); - void debug_print(); -}; - -box *make_underline_box(box *p) -{ - if (p->is_char()) - return new uaccent_box(p, new underline_char_box); - else - return new underline_box(p); -} - -underline_box::underline_box(box *pp) : pointer_box(pp) -{ -} - -int underline_box::compute_metrics(int style) -{ - int r = p->compute_metrics(style); - // 10 - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]+%dM\n", - uid, p->uid, default_rule_thickness*5); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]\n", uid, p->uid); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]\n", uid, p->uid); - return r; -} - -void underline_box::output() -{ - // 10 - printf("\\Z" DELIMITER_CHAR); - printf("\\v'\\n[" DEPTH_FORMAT "]u+(%dM/2u)'", - p->uid, 7*default_rule_thickness); - if (draw_flag) - printf("\\D'l\\n[" WIDTH_FORMAT "]u 0'", p->uid); - else - printf("\\l'\\n[" WIDTH_FORMAT "]u\\&\\(ru'", p->uid); - printf(DELIMITER_CHAR); - p->output(); -} - -// we want an underline box to have 0 subscript kern - -void underline_box::compute_subscript_kern() -{ - box::compute_subscript_kern(); -} - -void underline_box::debug_print() -{ - fprintf(stderr, "{ "); - p->debug_print(); - fprintf(stderr, " } under"); -} - -size_box::size_box(char *s, box *pp) : pointer_box(pp), size(s) -{ -} - -int size_box::compute_metrics(int style) -{ - printf(".nr " SIZE_FORMAT " \\n[.s]\n", uid); - printf(".ps %s\n", size); - printf(".nr " SMALL_SIZE_FORMAT " \\n[.s]\n", uid); - int r = p->compute_metrics(style); - printf(".ps \\n[" SIZE_FORMAT "]\n", uid); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]\n", uid, p->uid); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]\n", uid, p->uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]\n", uid, p->uid); - return r; -} - -void size_box::output() -{ - printf("\\s[\\n[" SMALL_SIZE_FORMAT "]]", uid); - p->output(); - printf("\\s[\\n[" SIZE_FORMAT "]]", uid); -} - -size_box::~size_box() -{ - a_delete size; -} - -void size_box::debug_print() -{ - fprintf(stderr, "size %s { ", size); - p->debug_print(); - fprintf(stderr, " }"); -} - - -font_box::font_box(char *s, box *pp) : pointer_box(pp), f(s) -{ -} - -font_box::~font_box() -{ - a_delete f; -} - -int font_box::compute_metrics(int style) -{ - const char *old_roman_font = current_roman_font; - current_roman_font = f; - printf(".nr " FONT_FORMAT " \\n[.f]\n", uid); - printf(".ft %s\n", f); - int r = p->compute_metrics(style); - current_roman_font = old_roman_font; - printf(".ft \\n[" FONT_FORMAT "]\n", uid); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]\n", uid, p->uid); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]\n", uid, p->uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]\n", uid, p->uid); - return r; -} - -void font_box::output() -{ - printf("\\f[%s]", f); - const char *old_roman_font = current_roman_font; - current_roman_font = f; - p->output(); - current_roman_font = old_roman_font; - printf("\\f[\\n[" FONT_FORMAT "]]", uid); -} - -void font_box::debug_print() -{ - fprintf(stderr, "font %s { ", f); - p->debug_print(); - fprintf(stderr, " }"); -} - -fat_box::fat_box(box *pp) : pointer_box(pp) -{ -} - -int fat_box::compute_metrics(int style) -{ - int r = p->compute_metrics(style); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]+%dM\n", - uid, p->uid, fat_offset); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]\n", uid, p->uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]\n", uid, p->uid); - return r; -} - -void fat_box::output() -{ - p->output(); - printf("\\h'-\\n[" WIDTH_FORMAT "]u'", p->uid); - printf("\\h'%dM'", fat_offset); - p->output(); -} - - -void fat_box::debug_print() -{ - fprintf(stderr, "fat { "); - p->debug_print(); - fprintf(stderr, " }"); -} - - -vmotion_box::vmotion_box(int i, box *pp) : pointer_box(pp), n(i) -{ -} - -int vmotion_box::compute_metrics(int style) -{ - int r = p->compute_metrics(style); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]\n", uid, p->uid); - if (n > 0) { - printf(".nr " HEIGHT_FORMAT " %dM+\\n[" HEIGHT_FORMAT "]\n", - uid, n, p->uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]\n", uid, p->uid); - } - else { - printf(".nr " DEPTH_FORMAT " %dM+\\n[" DEPTH_FORMAT "]>?0\n", - uid, -n, p->uid); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]\n", - uid, p->uid); - } - return r; -} - -void vmotion_box::output() -{ - printf("\\v'%dM'", -n); - p->output(); - printf("\\v'%dM'", n); -} - -void vmotion_box::debug_print() -{ - if (n >= 0) - fprintf(stderr, "up %d { ", n); - else - fprintf(stderr, "down %d { ", -n); - p->debug_print(); - fprintf(stderr, " }"); -} - -hmotion_box::hmotion_box(int i, box *pp) : pointer_box(pp), n(i) -{ -} - -int hmotion_box::compute_metrics(int style) -{ - int r = p->compute_metrics(style); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]+%dM\n", - uid, p->uid, n); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]\n", uid, p->uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]\n", uid, p->uid); - if (r) - printf(".nr " MARK_REG " +%dM\n", n); - return r; -} - -void hmotion_box::output() -{ - printf("\\h'%dM'", n); - p->output(); -} - -void hmotion_box::debug_print() -{ - if (n >= 0) - fprintf(stderr, "fwd %d { ", n); - else - fprintf(stderr, "back %d { ", -n); - p->debug_print(); - fprintf(stderr, " }"); -} - -vcenter_box::vcenter_box(box *pp) : pointer_box(pp) -{ -} - -int vcenter_box::compute_metrics(int style) -{ - int r = p->compute_metrics(style); - printf(".nr " WIDTH_FORMAT " 0\\n[" WIDTH_FORMAT "]\n", uid, p->uid); - printf(".nr " SUP_RAISE_FORMAT " \\n[" DEPTH_FORMAT "]-\\n[" - HEIGHT_FORMAT "]/2+%dM\n", - uid, p->uid, p->uid, axis_height); - printf(".nr " HEIGHT_FORMAT " \\n[" HEIGHT_FORMAT "]+\\n[" - SUP_RAISE_FORMAT "]>?0\n", uid, p->uid, uid); - printf(".nr " DEPTH_FORMAT " \\n[" DEPTH_FORMAT "]-\\n[" - SUP_RAISE_FORMAT "]>?0\n", uid, p->uid, uid); - - return r; -} - -void vcenter_box::output() -{ - printf("\\v'-\\n[" SUP_RAISE_FORMAT "]u'", uid); - p->output(); - printf("\\v'\\n[" SUP_RAISE_FORMAT "]u'", uid); -} - -void vcenter_box::debug_print() -{ - fprintf(stderr, "vcenter { "); - p->debug_print(); - fprintf(stderr, " }"); -} - |
