1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 
5 Subfont*
6 allocsubfont(char *name, int n, int height, int ascent, Fontchar *info, Image *i)
7 {
8 	Subfont *f, *cf;
9 
10 	assert(height != 0 /* allocsubfont */);
11 
12 	f = malloc(sizeof(Subfont));
13 	if(f == 0)
14 		return 0;
15 	f->n = n;
16 	f->height = height;
17 	f->ascent = ascent;
18 	f->info = info;
19 	f->bits = i;
20 	f->ref = 1;
21 	if(name){
22 		/*
23 		 * if already caching this subfont, leave older
24 		 * (and hopefully more widely used) copy in cache.
25 		 * this case should not happen -- we got called
26 		 * because cachechars needed this subfont and it
27 		 * wasn't in the cache.
28 		 */
29 		f->name = strdup(name);
30 		if((cf=lookupsubfont(i->display, name)) == 0)
31 			installsubfont(name, f);
32 		else
33 			freesubfont(cf);	/* drop ref we just picked up */
34 	}else
35 		f->name = 0;
36 	return f;
37 }