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-rw-r--r--contrib/groff/libgroff/font.cc940
1 files changed, 0 insertions, 940 deletions
diff --git a/contrib/groff/libgroff/font.cc b/contrib/groff/libgroff/font.cc
deleted file mode 100644
index d0254e4..0000000
--- a/contrib/groff/libgroff/font.cc
+++ /dev/null
@@ -1,940 +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. */
-
-/* $FreeBSD$ */
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include "errarg.h"
-#include "error.h"
-#include "cset.h"
-#include "font.h"
-#include "lib.h"
-
-const char *const WS = " \t\n\r";
-
-struct font_char_metric {
- char type;
- int code;
- int width;
- int height;
- int depth;
- int pre_math_space;
- int italic_correction;
- int subscript_correction;
- char *special_device_coding;
-};
-
-struct font_kern_list {
- int i1;
- int i2;
- int amount;
- font_kern_list *next;
-
- font_kern_list(int, int, int, font_kern_list * = 0);
-};
-
-struct font_widths_cache {
- font_widths_cache *next;
- int point_size;
- int *width;
-
- font_widths_cache(int, int, font_widths_cache *);
- ~font_widths_cache();
-};
-
-/* text_file */
-
-struct text_file {
- FILE *fp;
- char *path;
- int lineno;
- int size;
- int skip_comments;
- char *buf;
- text_file(FILE *fp, char *p);
- ~text_file();
- int next();
- void error(const char *format,
- const errarg &arg1 = empty_errarg,
- const errarg &arg2 = empty_errarg,
- const errarg &arg3 = empty_errarg);
-};
-
-text_file::text_file(FILE *p, char *s)
-: fp(p), path(s), lineno(0), size(0), skip_comments(1), buf(0)
-{
-}
-
-text_file::~text_file()
-{
- a_delete buf;
- a_delete path;
- if (fp)
- fclose(fp);
-}
-
-
-int text_file::next()
-{
- if (fp == 0)
- return 0;
- if (buf == 0) {
- buf = new char [128];
- size = 128;
- }
- for (;;) {
- int i = 0;
- for (;;) {
- int c = getc(fp);
- if (c == EOF)
- break;
- if (illegal_input_char(c))
- error("illegal input character code `%1'", int(c));
- else {
- if (i + 1 >= size) {
- char *old_buf = buf;
- buf = new char[size*2];
- memcpy(buf, old_buf, size);
- a_delete old_buf;
- size *= 2;
- }
- buf[i++] = c;
- if (c == '\n')
- break;
- }
- }
- if (i == 0)
- break;
- buf[i] = '\0';
- lineno++;
- char *ptr = buf;
- while (csspace(*ptr))
- ptr++;
- if (*ptr != 0 && (!skip_comments || *ptr != '#'))
- return 1;
- }
- return 0;
-}
-
-void text_file::error(const char *format,
- const errarg &arg1,
- const errarg &arg2,
- const errarg &arg3)
-{
- error_with_file_and_line(path, lineno, format, arg1, arg2, arg3);
-}
-
-
-/* font functions */
-
-font::font(const char *s)
-: ligatures(0), kern_hash_table(0), space_width(0), ch_index(0), nindices(0),
- ch(0), ch_used(0), ch_size(0), special(0), widths_cache(0)
-{
- name = new char[strlen(s) + 1];
- strcpy(name, s);
- internalname = 0;
- slant = 0.0;
- // load(); // for testing
-}
-
-font::~font()
-{
- a_delete ch;
- a_delete ch_index;
- if (kern_hash_table) {
- for (int i = 0; i < KERN_HASH_TABLE_SIZE; i++) {
- font_kern_list *kerns = kern_hash_table[i];
- while (kerns) {
- font_kern_list *tem = kerns;
- kerns = kerns->next;
- delete tem;
- }
- }
- a_delete kern_hash_table;
- }
- a_delete name;
- a_delete internalname;
- while (widths_cache) {
- font_widths_cache *tem = widths_cache;
- widths_cache = widths_cache->next;
- delete tem;
- }
-}
-
-static int scale_round(int n, int x, int y)
-{
- assert(x >= 0 && y > 0);
- int y2 = y/2;
- if (x == 0)
- return 0;
- if (n >= 0) {
- if (n <= (INT_MAX - y2)/x)
- return (n*x + y2)/y;
- return int(n*double(x)/double(y) + .5);
- }
- else {
- if (-(unsigned)n <= (-(unsigned)INT_MIN - y2)/x)
- return (n*x - y2)/y;
- return int(n*double(x)/double(y) - .5);
- }
-}
-
-inline int font::scale(int w, int sz)
-{
- return sz == unitwidth ? w : scale_round(w, sz, unitwidth);
-}
-
-int font::get_skew(int c, int point_size, int sl)
-{
- int h = get_height(c, point_size);
- return int(h*tan((slant+sl)*PI/180.0) + .5);
-}
-
-int font::contains(int c)
-{
- return c >= 0 && c < nindices && ch_index[c] >= 0;
-}
-
-int font::is_special()
-{
- return special;
-}
-
-font_widths_cache::font_widths_cache(int ps, int ch_size,
- font_widths_cache *p = 0)
-: next(p), point_size(ps)
-{
- width = new int[ch_size];
- for (int i = 0; i < ch_size; i++)
- width[i] = -1;
-}
-
-font_widths_cache::~font_widths_cache()
-{
- a_delete width;
-}
-
-int font::get_width(int c, int point_size)
-{
- assert(c >= 0 && c < nindices);
- int i = ch_index[c];
- assert(i >= 0);
-
- if (point_size == unitwidth)
- return ch[i].width;
-
- if (!widths_cache)
- widths_cache = new font_widths_cache(point_size, ch_size);
- else if (widths_cache->point_size != point_size) {
- font_widths_cache **p;
- for (p = &widths_cache; *p; p = &(*p)->next)
- if ((*p)->point_size == point_size)
- break;
- if (*p) {
- font_widths_cache *tem = *p;
- *p = (*p)->next;
- tem->next = widths_cache;
- widths_cache = tem;
- }
- else
- widths_cache = new font_widths_cache(point_size, ch_size, widths_cache);
- }
- int &w = widths_cache->width[i];
- if (w < 0)
- w = scale(ch[i].width, point_size);
- return w;
-}
-
-int font::get_height(int c, int point_size)
-{
- assert(c >= 0 && c < nindices && ch_index[c] >= 0);
- return scale(ch[ch_index[c]].height, point_size);
-}
-
-int font::get_depth(int c, int point_size)
-{
- assert(c >= 0 && c < nindices && ch_index[c] >= 0);
- return scale(ch[ch_index[c]].depth, point_size);
-}
-
-int font::get_italic_correction(int c, int point_size)
-{
- assert(c >= 0 && c < nindices && ch_index[c] >= 0);
- return scale(ch[ch_index[c]].italic_correction, point_size);
-}
-
-int font::get_left_italic_correction(int c, int point_size)
-{
- assert(c >= 0 && c < nindices && ch_index[c] >= 0);
- return scale(ch[ch_index[c]].pre_math_space, point_size);
-}
-
-int font::get_subscript_correction(int c, int point_size)
-{
- assert(c >= 0 && c < nindices && ch_index[c] >= 0);
- return scale(ch[ch_index[c]].subscript_correction, point_size);
-}
-
-int font::get_space_width(int point_size)
-{
- return scale(space_width, point_size);
-}
-
-font_kern_list::font_kern_list(int c1, int c2, int n, font_kern_list *p)
- : i1(c1), i2(c2), amount(n), next(p)
-{
-}
-
-inline int font::hash_kern(int i1, int i2)
-{
- int n = ((i1 << 10) + i2) % KERN_HASH_TABLE_SIZE;
- return n < 0 ? -n : n;
-}
-
-void font::add_kern(int i1, int i2, int amount)
-{
- if (!kern_hash_table) {
- kern_hash_table = new font_kern_list *[KERN_HASH_TABLE_SIZE];
- for (int i = 0; i < KERN_HASH_TABLE_SIZE; i++)
- kern_hash_table[i] = 0;
- }
- font_kern_list **p = kern_hash_table + hash_kern(i1, i2);
- *p = new font_kern_list(i1, i2, amount, *p);
-}
-
-int font::get_kern(int i1, int i2, int point_size)
-{
- if (kern_hash_table) {
- for (font_kern_list *p = kern_hash_table[hash_kern(i1, i2)]; p; p = p->next)
- if (i1 == p->i1 && i2 == p->i2)
- return scale(p->amount, point_size);
- }
- return 0;
-}
-
-int font::has_ligature(int mask)
-{
- return mask & ligatures;
-}
-
-int font::get_character_type(int c)
-{
- assert(c >= 0 && c < nindices && ch_index[c] >= 0);
- return ch[ch_index[c]].type;
-}
-
-int font::get_code(int c)
-{
- assert(c >= 0 && c < nindices && ch_index[c] >= 0);
- return ch[ch_index[c]].code;
-}
-
-const char *font::get_name()
-{
- return name;
-}
-
-const char *font::get_internal_name()
-{
- return internalname;
-}
-
-const char *font::get_special_device_encoding(int c)
-{
- assert(c >= 0 && c < nindices && ch_index[c] >= 0);
- return( ch[ch_index[c]].special_device_coding );
-}
-
-void font::alloc_ch_index(int index)
-{
- if (nindices == 0) {
- nindices = 128;
- if (index >= nindices)
- nindices = index + 10;
- ch_index = new short[nindices];
- for (int i = 0; i < nindices; i++)
- ch_index[i] = -1;
- }
- else {
- int old_nindices = nindices;
- nindices *= 2;
- if (index >= nindices)
- nindices = index + 10;
- short *old_ch_index = ch_index;
- ch_index = new short[nindices];
- memcpy(ch_index, old_ch_index, sizeof(short)*old_nindices);
- for (int i = old_nindices; i < nindices; i++)
- ch_index[i] = -1;
- a_delete old_ch_index;
- }
-}
-
-void font::extend_ch()
-{
- if (ch == 0)
- ch = new font_char_metric[ch_size = 16];
- else {
- int old_ch_size = ch_size;
- ch_size *= 2;
- font_char_metric *old_ch = ch;
- ch = new font_char_metric[ch_size];
- memcpy(ch, old_ch, old_ch_size*sizeof(font_char_metric));
- a_delete old_ch;
- }
-}
-
-void font::compact()
-{
- int i;
- for (i = nindices - 1; i >= 0; i--)
- if (ch_index[i] >= 0)
- break;
- i++;
- if (i < nindices) {
- short *old_ch_index = ch_index;
- ch_index = new short[i];
- memcpy(ch_index, old_ch_index, i*sizeof(short));
- a_delete old_ch_index;
- nindices = i;
- }
- if (ch_used < ch_size) {
- font_char_metric *old_ch = ch;
- ch = new font_char_metric[ch_used];
- memcpy(ch, old_ch, ch_used*sizeof(font_char_metric));
- a_delete old_ch;
- ch_size = ch_used;
- }
-}
-
-void font::add_entry(int index, const font_char_metric &metric)
-{
- assert(index >= 0);
- if (index >= nindices)
- alloc_ch_index(index);
- assert(index < nindices);
- if (ch_used + 1 >= ch_size)
- extend_ch();
- assert(ch_used + 1 < ch_size);
- ch_index[index] = ch_used;
- ch[ch_used++] = metric;
-}
-
-void font::copy_entry(int new_index, int old_index)
-{
- assert(new_index >= 0 && old_index >= 0 && old_index < nindices);
- if (new_index >= nindices)
- alloc_ch_index(new_index);
- ch_index[new_index] = ch_index[old_index];
-}
-
-font *font::load_font(const char *s, int *not_found)
-{
- font *f = new font(s);
- if (!f->load(not_found)) {
- delete f;
- return 0;
- }
- return f;
-}
-
-static char *trim_arg(char *p)
-{
- if (!p)
- return 0;
- while (csspace(*p))
- p++;
- char *q = strchr(p, '\0');
- while (q > p && csspace(q[-1]))
- q--;
- *q = '\0';
- return p;
-}
-
-// If the font can't be found, then if not_found is non-NULL, it will be set
-// to 1 otherwise a message will be printed.
-
-int font::load(int *not_found)
-{
- char *path;
- FILE *fp;
- if ((fp = open_file(name, &path)) == NULL) {
- if (not_found)
- *not_found = 1;
- else
- error("can't find font file `%1'", name);
- return 0;
- }
- text_file t(fp, path);
- t.skip_comments = 1;
- char *p;
- for (;;) {
- if (!t.next()) {
- t.error("missing charset command");
- return 0;
- }
- p = strtok(t.buf, WS);
- if (strcmp(p, "name") == 0) {
- }
- else if (strcmp(p, "spacewidth") == 0) {
- p = strtok(0, WS);
- int n;
- if (p == 0 || sscanf(p, "%d", &n) != 1 || n <= 0) {
- t.error("bad argument for spacewidth command");
- return 0;
- }
- space_width = n;
- }
- else if (strcmp(p, "slant") == 0) {
- p = strtok(0, WS);
- double n;
- if (p == 0 || sscanf(p, "%lf", &n) != 1 || n >= 90.0 || n <= -90.0) {
- t.error("bad argument for slant command", p);
- return 0;
- }
- slant = n;
- }
- else if (strcmp(p, "ligatures") == 0) {
- for (;;) {
- p = strtok(0, WS);
- if (p == 0 || strcmp(p, "0") == 0)
- break;
- if (strcmp(p, "ff") == 0)
- ligatures |= LIG_ff;
- else if (strcmp(p, "fi") == 0)
- ligatures |= LIG_fi;
- else if (strcmp(p, "fl") == 0)
- ligatures |= LIG_fl;
- else if (strcmp(p, "ffi") == 0)
- ligatures |= LIG_ffi;
- else if (strcmp(p, "ffl") == 0)
- ligatures |= LIG_ffl;
- else {
- t.error("unrecognised ligature `%1'", p);
- return 0;
- }
- }
- }
- else if (strcmp(p, "internalname") == 0) {
- p = strtok(0, WS);
- if (!p) {
- t.error("`internalname command requires argument");
- return 0;
- }
- internalname = new char[strlen(p) + 1];
- strcpy(internalname, p);
- }
- else if (strcmp(p, "special") == 0) {
- special = 1;
- }
- else if (strcmp(p, "kernpairs") != 0 && strcmp(p, "charset") != 0) {
- char *command = p;
- p = strtok(0, "\n");
- handle_unknown_font_command(command, trim_arg(p), t.path, t.lineno);
- }
- else
- break;
- }
- char *command = p;
- int had_charset = 0;
- t.skip_comments = 0;
- while (command) {
- if (strcmp(command, "kernpairs") == 0) {
- for (;;) {
- if (!t.next()) {
- command = 0;
- break;
- }
- char *c1 = strtok(t.buf, WS);
- if (c1 == 0)
- continue;
- char *c2 = strtok(0, WS);
- if (c2 == 0) {
- command = c1;
- break;
- }
- p = strtok(0, WS);
- if (p == 0) {
- t.error("missing kern amount");
- return 0;
- }
- int n;
- if (sscanf(p, "%d", &n) != 1) {
- t.error("bad kern amount `%1'", p);
- return 0;
- }
- int i1 = name_to_index(c1);
- if (i1 < 0) {
- t.error("illegal character `%1'", c1);
- return 0;
- }
- int i2 = name_to_index(c2);
- if (i2 < 0) {
- t.error("illegal character `%1'", c2);
- return 0;
- }
- add_kern(i1, i2, n);
- }
- }
- else if (strcmp(command, "charset") == 0) {
- had_charset = 1;
- int last_index = -1;
- for (;;) {
- if (!t.next()) {
- command = 0;
- break;
- }
- char *nm = strtok(t.buf, WS);
- if (nm == 0)
- continue; // I dont think this should happen
- p = strtok(0, WS);
- if (p == 0) {
- command = nm;
- break;
- }
- if (p[0] == '"') {
- if (last_index == -1) {
- t.error("first charset entry is duplicate");
- return 0;
- }
- if (strcmp(nm, "---") == 0) {
- t.error("unnamed character cannot be duplicate");
- return 0;
- }
- int index = name_to_index(nm);
- if (index < 0) {
- t.error("illegal character `%1'", nm);
- return 0;
- }
- copy_entry(index, last_index);
- }
- else {
- font_char_metric metric;
- metric.height = 0;
- metric.depth = 0;
- metric.pre_math_space = 0;
- metric.italic_correction = 0;
- metric.subscript_correction = 0;
- int nparms = sscanf(p, "%d,%d,%d,%d,%d,%d",
- &metric.width, &metric.height, &metric.depth,
- &metric.italic_correction,
- &metric.pre_math_space,
- &metric.subscript_correction);
- if (nparms < 1) {
- t.error("bad width for `%1'", nm);
- return 0;
- }
- p = strtok(0, WS);
- if (p == 0) {
- t.error("missing character type for `%1'", nm);
- return 0;
- }
- int type;
- if (sscanf(p, "%d", &type) != 1) {
- t.error("bad character type for `%1'", nm);
- return 0;
- }
- if (type < 0 || type > 255) {
- t.error("character code `%1' out of range", type);
- return 0;
- }
- metric.type = type;
- p = strtok(0, WS);
- if (p == 0) {
- t.error("missing code for `%1'", nm);
- return 0;
- }
- char *ptr;
- metric.code = (int)strtol(p, &ptr, 0);
- if (metric.code == 0 && ptr == p) {
- t.error("bad code `%1' for character `%2'", p, nm);
- return 0;
- }
-
- p = strtok(0, WS);
- if ((p == NULL) || (strcmp(p, "--") == 0)) {
- metric.special_device_coding = NULL;
- } else {
- char *name=(char *)malloc(strlen(p)+1);
-
- if (name == NULL) {
- fatal("malloc failed while reading character encoding");
- }
- strcpy(name, p);
- metric.special_device_coding = name;
- }
-
- if (strcmp(nm, "---") == 0) {
- last_index = number_to_index(metric.code);
- add_entry(last_index, metric);
- }
- else {
- last_index = name_to_index(nm);
- if (last_index < 0) {
- t.error("illegal character `%1'", nm);
- return 0;
- }
- add_entry(last_index, metric);
- copy_entry(number_to_index(metric.code), last_index);
- }
- }
- }
- if (last_index == -1) {
- t.error("I didn't seem to find any characters");
- return 0;
- }
- }
- else {
- t.error("unrecognised command `%1' after `kernpairs' or `charset' command", command);
- return 0;
- }
- }
- if (!had_charset) {
- t.error("missing charset command");
- return 0;
- }
- if (space_width == 0)
- space_width = scale_round(unitwidth, res, 72*3*sizescale);
- compact();
- return 1;
-}
-
-static struct {
- const char *command;
- int *ptr;
-} table[] = {
- { "res", &font::res },
- { "hor", &font::hor },
- { "vert", &font::vert },
- { "unitwidth", &font::unitwidth },
- { "paperwidth", &font::paperwidth },
- { "paperlength", &font::paperlength },
- { "spare1", &font::biggestfont },
- { "biggestfont", &font::biggestfont },
- { "spare2", &font::spare2 },
- { "sizescale", &font::sizescale }
- };
-
-
-int font::load_desc()
-{
- int nfonts = 0;
- FILE *fp;
- char *path;
- if ((fp = open_file("DESC", &path)) == 0) {
- error("can't find `DESC' file");
- return 0;
- }
- text_file t(fp, path);
- t.skip_comments = 1;
- res = 0;
- while (t.next()) {
- char *p = strtok(t.buf, WS);
- int found = 0;
- int idx;
- for (idx = 0; !found && idx < sizeof(table)/sizeof(table[0]); idx++)
- if (strcmp(table[idx].command, p) == 0)
- found = 1;
- if (found) {
- char *q = strtok(0, WS);
- if (!q) {
- t.error("missing value for command `%1'", p);
- return 0;
- }
- //int *ptr = &(this->*(table[idx-1].ptr));
- int *ptr = table[idx-1].ptr;
- if (sscanf(q, "%d", ptr) != 1) {
- t.error("bad number `%1'", q);
- return 0;
- }
- }
- else if (strcmp("tcommand", p) == 0) {
- tcommand = 1;
- }
- else if (strcmp("pass_filenames", p) == 0) {
- pass_filenames = 1;
- }
- else if (strcmp("use_charnames_in_special", p) == 0) {
- use_charnames_in_special = 1;
- }
- else if (strcmp("family", p) == 0) {
- p = strtok(0, WS);
- if (!p) {
- t.error("family command requires an argument");
- return 0;
- }
- char *tem = new char[strlen(p)+1];
- strcpy(tem, p);
- family = tem;
- }
- else if (strcmp("fonts", p) == 0) {
- p = strtok(0, WS);
- if (!p || sscanf(p, "%d", &nfonts) != 1 || nfonts <= 0) {
- t.error("bad number of fonts `%1'", p);
- return 0;
- }
- font_name_table = (const char **)new char *[nfonts+1];
- for (int i = 0; i < nfonts; i++) {
- p = strtok(0, WS);
- while (p == 0) {
- if (!t.next()) {
- t.error("end of file while reading list of fonts");
- return 0;
- }
- p = strtok(t.buf, WS);
- }
- char *temp = new char[strlen(p)+1];
- strcpy(temp, p);
- font_name_table[i] = temp;
- }
- p = strtok(0, WS);
- if (p != 0) {
- t.error("font count does not match number of fonts");
- return 0;
- }
- font_name_table[nfonts] = 0;
- }
- else if (strcmp("sizes", p) == 0) {
- int n = 16;
- sizes = new int[n];
- int i = 0;
- for (;;) {
- p = strtok(0, WS);
- while (p == 0) {
- if (!t.next()) {
- t.error("list of sizes must be terminated by `0'");
- return 0;
- }
- p = strtok(t.buf, WS);
- }
- int lower, upper;
- switch (sscanf(p, "%d-%d", &lower, &upper)) {
- case 1:
- upper = lower;
- // fall through
- case 2:
- if (lower <= upper && lower >= 0)
- break;
- // fall through
- default:
- t.error("bad size range `%1'", p);
- return 0;
- }
- if (i + 2 > n) {
- int *old_sizes = sizes;
- sizes = new int[n*2];
- memcpy(sizes, old_sizes, n*sizeof(int));
- n *= 2;
- a_delete old_sizes;
- }
- sizes[i++] = lower;
- if (lower == 0)
- break;
- sizes[i++] = upper;
- }
- if (i == 1) {
- t.error("must have some sizes");
- return 0;
- }
- }
- else if (strcmp("styles", p) == 0) {
- int style_table_size = 5;
- style_table = (const char **)new char *[style_table_size];
- int j;
- for (j = 0; j < style_table_size; j++)
- style_table[j] = 0;
- int i = 0;
- for (;;) {
- p = strtok(0, WS);
- if (p == 0)
- break;
- // leave room for terminating 0
- if (i + 1 >= style_table_size) {
- const char **old_style_table = style_table;
- style_table_size *= 2;
- style_table = (const char **)new char*[style_table_size];
- for (j = 0; j < i; j++)
- style_table[j] = old_style_table[j];
- for (; j < style_table_size; j++)
- style_table[j] = 0;
- a_delete old_style_table;
- }
- char *tem = new char[strlen(p) + 1];
- strcpy(tem, p);
- style_table[i++] = tem;
- }
- }
- else if (strcmp("charset", p) == 0)
- break;
- else if (unknown_desc_command_handler) {
- char *command = p;
- p = strtok(0, "\n");
- (*unknown_desc_command_handler)(command, trim_arg(p), t.path, t.lineno);
- }
- }
- if (res == 0) {
- t.error("missing `res' command");
- return 0;
- }
- if (unitwidth == 0) {
- t.error("missing `unitwidth' command");
- return 0;
- }
- if (font_name_table == 0) {
- t.error("missing `fonts' command");
- return 0;
- }
- if (sizes == 0) {
- t.error("missing `sizes' command");
- return 0;
- }
- if (sizescale < 1) {
- t.error("bad `sizescale' value");
- return 0;
- }
- if (hor < 1) {
- t.error("bad `hor' value");
- return 0;
- }
- if (vert < 1) {
- t.error("bad `vert' value");
- return 0;
- }
- return 1;
-}
-
-void font::handle_unknown_font_command(const char *, const char *,
- const char *, int)
-{
-}
-
-FONT_COMMAND_HANDLER
-font::set_unknown_desc_command_handler(FONT_COMMAND_HANDLER func)
-{
- FONT_COMMAND_HANDLER prev = unknown_desc_command_handler;
- unknown_desc_command_handler = func;
- return prev;
-}
-
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