ref: 7ef11b69908baa70deda8460b4f4a6978f46d61b
dir: /mkfn.c/
/*
* mktrfn - generate troff font descriptions
*
* Copyright (C) 2012-2014 Ali Gholami Rudi <ali at rudi dot ir>
*
* This program is released under the Modified BSD license.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "trfn.h"
#define LEN(a) ((sizeof(a) / sizeof((a)[0])))
static char *trfn_scripts; /* filtered scripts */
static char *trfn_langs; /* filtered languages */
static char *trfn_order; /* feature ordering */
/* OpenType specifies a specific feature order for different scripts */
static char *scriptorder[][2] = {
{"latn", "ccmp,liga,clig,dist,kern,mark,mkmk"},
{"cyrl", "ccmp,liga,clig,dist,kern,mark,mkmk"},
{"grek", "ccmp,liga,clig,dist,kern,mark,mkmk"},
{"armn", "ccmp,liga,clig,dist,kern,mark,mkmk"},
{"geor", "ccmp,liga,clig,dist,kern,mark,mkmk"},
{"runr", "ccmp,liga,clig,dist,kern,mark,mkmk"},
{"ogam", "ccmp,liga,clig,dist,kern,mark,mkmk"},
{"arab", "ccmp,isol,fina,medi,init,rlig,calt,liga,dlig,cswh,mset,curs,kern,mark,mkmk"},
{"bugi", "locl,ccmp,rlig,liga,clig,calt,kern,dist,mark,mkmk"},
{"hang", "ccmp,ljmo,vjmo,tjmo"},
{"hebr", "ccmp,dlig,kern,mark"},
{"bng2", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"dev2", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"gjr2", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"gur2", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"knd2", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"mlym", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"ory2", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"tml2", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"tml2", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"telu", "locl,nukt,akhn,rphf,blwf,half,pstf,vatu,cjct,init,pres,abvs,blws,psts,haln,calt,kern,dist,abvm,blwm"},
{"java", "locl,pref,abvf,blwf,pstf,pres,abvs,blws,psts,ccmp,rlig,liga,clig,calt,kern,dist,mark,mkmk"},
{"khmr", "pref,blwf,abvf,pstf,pres,blws,abvs,psts,clig,dist,blwm,abvm,mkmk"},
{"lao ", "ccmp,kern,mark,mkmk"},
{"mym2", "locl,rphf,pref,blwf,pstf,pres,abvs,blws,psts,kern,dist,mark,mkmk"},
{"sinh", "locl,ccmp,akhn,rphf,vatu,pstf,pres,abvs,blws,psts,kern,dist,abvm,blwm"},
{"syrc", "stch,ccmp,isol,fina,fin2,fin3,medi,med2,init,rlig,calt,liga,dlig,kern,mark,mkmk"},
{"thaa", "kern,mark"},
{"thai", "ccmp,kern,mark,mkmk"},
{"tibt", "ccmp,abvs,blws,calt,liga,kern,abvm,blwm,mkmk"},
};
/* return 1 if script script is to be included */
int trfn_script(char *script, int nscripts)
{
int i;
trfn_order = NULL;
for (i = 0; i < LEN(scriptorder); i++)
if (script && !strcmp(script, scriptorder[i][0]))
trfn_order = scriptorder[i][1];
if (!trfn_scripts)
return nscripts == 1 || !script ||
!strcmp("DFLT", script) || !strcmp("latn", script);
if (!strcmp("help", trfn_scripts))
fprintf(stderr, "script: %s\n", script ? script : "");
if (strchr(script, ' '))
*strchr(script, ' ') = '\0';
return !!strstr(trfn_scripts, script);
}
/* return 1 if language lang is to be included */
int trfn_lang(char *lang, int nlangs)
{
if (!trfn_langs)
return nlangs == 1 || !lang;
if (!lang)
lang = "";
if (!strcmp("help", trfn_langs))
fprintf(stderr, "lang: %s\n", lang);
if (strchr(lang, ' '))
*strchr(lang, ' ') = '\0';
return !!strstr(trfn_langs, lang);
}
int trfn_featrank(char *feat)
{
char *s = trfn_order ? strstr(trfn_order, feat) : NULL;
return s ? s - trfn_order : 1000;
}
int otf_read(void);
int afm_read(void);
void otf_feat(int res, int kmin, int warn);
static char *usage =
"Usage: mktrfn [options] <input >output\n"
"Options:\n"
" -a \tread an AFM file (default)\n"
" -o \tread an OTF file\n"
" -s \tspecial font\n"
" -p name \toverride font postscript name\n"
" -t name \tset font troff name\n"
" -r res \tset device resolution (720)\n"
" -k kmin \tspecify the minimum amount of kerning (0)\n"
" -b \tinclude glyph bounding boxes\n"
" -S scrs \tcomma-separated list of scripts to include (help to list)\n"
" -L langs\tcomma-separated list of languages to include (help to list)\n"
" -w \twarn about unsupported font features\n";
int main(int argc, char *argv[])
{
int afm = 1;
int res = 720;
int spc = 0;
int kmin = 0;
int bbox = 0;
int warn = 0;
int i;
for (i = 1; i < argc && argv[i][0] == '-'; i++) {
switch (argv[i][1]) {
case 'a':
afm = 1;
break;
case 'b':
bbox = 1;
break;
case 'k':
kmin = atoi(argv[i][2] ? argv[i] + 2 : argv[++i]);
break;
case 'L':
trfn_langs = argv[i][2] ? argv[i] + 2 : argv[++i];
break;
case 'o':
afm = 0;
break;
case 'p':
trfn_psfont(argv[i][2] ? argv[i] + 2 : argv[++i]);
break;
case 'r':
res = atoi(argv[i][2] ? argv[i] + 2 : argv[++i]);
break;
case 's':
spc = 1;
break;
case 'S':
trfn_scripts = argv[i][2] ? argv[i] + 2 : argv[++i];
break;
case 't':
trfn_trfont(argv[i][2] ? argv[i] + 2 : argv[++i]);
break;
case 'w':
warn = 1;
break;
default:
printf("%s", usage);
return 0;
}
}
trfn_init(res, spc, kmin, bbox);
if (afm)
afm_read();
else
otf_read();
trfn_print();
if (!afm)
otf_feat(res, kmin, warn);
trfn_done();
return 0;
}