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// -*- 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 <stdio.h>
#include <ctype.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <errno.h>
#include "lib.h"
#include "errarg.h"
#include "error.h"
#include "stringclass.h"
#include "cset.h"
#include "guess.h"
static void usage();
static void convert_font(const font_params &, FILE *, FILE *);
typedef int font_params::*param_t;
static struct {
const char *name;
param_t par;
} param_table[] = {
{ "x-height", &font_params::x_height },
{ "fig-height", &font_params::fig_height },
{ "asc-height", &font_params::asc_height },
{ "body-height", &font_params::body_height },
{ "cap-height", &font_params::cap_height },
{ "comma-depth", &font_params::comma_depth },
{ "desc-depth", &font_params::desc_depth },
{ "body-depth", &font_params::body_depth },
};
// These are all in thousandths of an em.
// These values are correct for PostScript Times Roman.
#define DEFAULT_X_HEIGHT 448
#define DEFAULT_FIG_HEIGHT 676
#define DEFAULT_ASC_HEIGHT 682
#define DEFAULT_BODY_HEIGHT 676
#define DEFAULT_CAP_HEIGHT 662
#define DEFAULT_COMMA_DEPTH 143
#define DEFAULT_DESC_DEPTH 217
#define DEFAULT_BODY_DEPTH 177
int main(int argc, char **argv)
{
program_name = argv[0];
if (argc < 4)
usage();
int resolution;
if (sscanf(argv[argc-3], "%d", &resolution) != 1)
usage();
if (resolution <= 0)
fatal("resolution must be > 0");
int unitwidth;
if (sscanf(argv[argc-2], "%d", &unitwidth) != 1)
usage();
if (unitwidth <= 0)
fatal("unitwidth must be > 0");
font_params param;
const char *font = argv[argc-1];
param.italic = (font[0] != '\0' && strchr(font, '\0')[-1] == 'I');
param.em = (resolution*unitwidth)/72;
param.x_height = DEFAULT_X_HEIGHT;
param.fig_height = DEFAULT_FIG_HEIGHT;
param.asc_height = DEFAULT_ASC_HEIGHT;
param.body_height = DEFAULT_BODY_HEIGHT;
param.cap_height = DEFAULT_CAP_HEIGHT;
param.comma_depth = DEFAULT_COMMA_DEPTH;
param.desc_depth = DEFAULT_DESC_DEPTH;
param.body_depth = DEFAULT_BODY_DEPTH;
int i;
for (i = 1; i < argc && argv[i][0] == '-'; i++) {
if (argv[i][1] == '-' && argv[i][2] == '\0') {
i++;
break;
}
if (i + 1 >= argc)
usage();
int j;
for (j = 0;; j++) {
if (j >= sizeof(param_table)/sizeof(param_table[0]))
fatal("parameter `%1' not recognized", argv[i] + 1);
if (strcmp(param_table[j].name, argv[i] + 1) == 0)
break;
}
if (sscanf(argv[i+1], "%d", &(param.*(param_table[j].par))) != 1)
fatal("invalid argument `%1'", argv[i+1]);
i++;
}
if (argc - i != 3)
usage();
errno = 0;
FILE *infp = fopen(font, "r");
if (infp == 0)
fatal("can't open `%1': %2", font, strerror(errno));
convert_font(param, infp, stdout);
return 0;
}
static void usage()
{
fprintf(stderr, "usage: %s [-param value] ... resolution unitwidth font\n",
program_name);
exit(1);
}
static int get_line(FILE *fp, string *p)
{
int c;
p->clear();
while ((c = getc(fp)) != EOF) {
*p += char(c);
if (c == '\n')
break;
}
return p->length() > 0;
}
static void convert_font(const font_params ¶m, FILE *infp, FILE *outfp)
{
string s;
while (get_line(infp, &s)) {
put_string(s, outfp);
if (s.length() >= 8
&& strncmp(&s[0], "charset", 7))
break;
}
while (get_line(infp, &s)) {
s += '\0';
string name;
const char *p = s.contents();
while (csspace(*p))
p++;
while (*p != '\0' && !csspace(*p))
name += *p++;
while (csspace(*p))
p++;
for (const char *q = s.contents(); q < p; q++)
putc(*q, outfp);
char *next;
char_metric metric;
metric.width = (int)strtol(p, &next, 10);
if (next != p) {
printf("%d", metric.width);
p = next;
metric.type = (int)strtol(p, &next, 10);
if (next != p) {
name += '\0';
guess(name.contents(), param, &metric);
if (metric.sk == 0) {
if (metric.left_ic == 0) {
if (metric.ic == 0) {
if (metric.depth == 0) {
if (metric.height != 0)
printf(",%d", metric.height);
}
else
printf(",%d,%d", metric.height, metric.depth);
}
else
printf(",%d,%d,%d", metric.height, metric.depth, metric.ic);
}
else
printf(",%d,%d,%d,%d", metric.height, metric.depth, metric.ic,
metric.left_ic);
}
else
printf(",%d,%d,%d,%d,%d", metric.height, metric.depth, metric.ic,
metric.left_ic, metric.sk);
}
}
fputs(p, outfp);
}
}
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