renderer: use direct FreeType with explicit font files

main.c

@@ -5,12 +5,13 @@ Channel *drawc;
 Channel *keyc;
 Channel *dictreqc;
 Channel *dictresc;
-char *fontdir;
+char **fontfiles;
+int nfontfiles;
 
 void
 usage(void)
 {
-	fprint(2, "usage: strans mapdir fontdir\n");
+	fprint(2, "usage: strans mapdir fontfile [fontfile ...]\n");
 	threadexitsall("usage");
 }
 
@@ -50,10 +51,11 @@ erealloc(void *p, ulong n)
 void
 threadmain(int argc, char **argv)
 {
-	if(argc != 3)
+	if(argc < 3 || argc > Maxfonts + 2)
 		usage();
 
-	fontdir = argv[2];
+	fontfiles = argv + 2;
+	nfontfiles = argc - 2;
 	drawc = chancreate(sizeof(Drawcmd), 4);
 	keyc = chancreate(sizeof(Keyreq), 0);
 	dictreqc = chancreate(sizeof(Dictreq), 4);