shithub: neatmkfn

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trfn: -l option to suppress the ligatures line

Most OpenType fonts define ligatures as GSUB rules.

--- a/gen.sh

+++ b/gen.sh

@@ -33,7 +33,7 @@

 ttfconv()

 {

 	echo $1

-	cat $2 | ./mkfn -b -o -r$RES -t $1 $3 $4 $5 $6 $7 | \

+	cat $2 | ./mkfn -b -l -o -r$RES -t $1 $3 $4 $5 $6 $7 | \

 		sed "/^ligatures /s/ $LIGIGN//g" >$TP/$1

 }

--- a/mkfn.c

+++ b/mkfn.c

@@ -103,6 +103,7 @@

 	"  -r res  \tset device resolution (720)\n"

 	"  -k kmin \tspecify the minimum amount of kerning (0)\n"

 	"  -b      \tinclude glyph bounding boxes\n"

+	"  -l      \tsuppress the ligatures line\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";

@@ -115,6 +116,7 @@

 	int kmin = 0;

 	int bbox = 0;

 	int warn = 0;

+	int ligs = 1;

 	int i;

 	for (i = 1; i < argc && argv[i][0] == '-'; i++) {

 		switch (argv[i][1]) {

@@ -127,6 +129,9 @@

 		case 'k':

 			kmin = atoi(argv[i][2] ? argv[i] + 2 : argv[++i]);

 			break;

+		case 'l':

+			ligs = 0;

+			break;

 		case 'L':

 			trfn_langs = argv[i][2] ? argv[i] + 2 : argv[++i];

 			break;

@@ -156,7 +161,7 @@

 			return 0;

 		}

 	}

-	trfn_init(res, spc, kmin, bbox);

+	trfn_init(res, spc, kmin, bbox, ligs);

 	if (afm)

 		afm_read();

 	else

--- a/trfn.c

+++ b/trfn.c

@@ -22,6 +22,7 @@

 static int trfn_special;	/* special flag */

 static int trfn_kmin;		/* minimum kerning value */

 static int trfn_bbox;		/* include bounding box */

+static int trfn_noligs;		/* suppress ligatures */

 static char trfn_ligs[8192];	/* font ligatures */

 static char trfn_trname[256];	/* font troff name */

 static char trfn_psname[256];	/* font ps name */

@@ -314,7 +315,8 @@

 	if (trfn_psname[0])

 		printf("fontname %s\n", trfn_psname);

 	printf("spacewidth %d\n", trfn_swid);

-	printf("ligatures %s0\n", trfn_ligs);

+	if (!trfn_noligs)

+		printf("ligatures %s0\n", trfn_ligs);

 	if (trfn_special)

 		printf("special\n");

 	printf("%s", sbuf_buf(&sbuf_char));

@@ -321,7 +323,7 @@

 	printf("%s", sbuf_buf(&sbuf_kern));

 }

-void trfn_init(int res, int spc, int kmin, int bbox)

+void trfn_init(int res, int spc, int kmin, int bbox, int ligs)

 {

 	int i;

 	trfn_div = 7200 / res;

@@ -328,6 +330,7 @@

 	trfn_special = spc;

 	trfn_kmin = kmin;

 	trfn_bbox = bbox;

+	trfn_noligs = !ligs;

 	sbuf_init(&sbuf_char);

 	sbuf_init(&sbuf_kern);

 	tab_agl = tab_alloc(LEN(agl));

--- a/trfn.h

+++ b/trfn.h

@@ -1,4 +1,4 @@

-void trfn_init(int res, int special, int kmin, int bbox);

+void trfn_init(int res, int special, int kmin, int bbox, int ligs);

 void trfn_done(void);

 void trfn_trfont(char *name);

 void trfn_psfont(char *fontname);