tsubfont.c - plan9port - [fork] Plan 9 from user space
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       ---
       tsubfont.c (806B)
       ---
            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 }