1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4
5 Subfont*
getdefont(Display * d)6 getdefont(Display *d)
7 {
8 char *hdr, *p;
9 int n;
10 Fontchar *fc;
11 Subfont *f;
12 int ld;
13 Rectangle r;
14 Image *i;
15
16 /*
17 * make sure data is word-aligned. this is true with Plan 9 compilers
18 * but not in general. the byte order is right because the data is
19 * declared as char*, not ulong*.
20 */
21 p = (char*)defontdata;
22 n = (int)(uvlong)p & 3; /* stupid ape */
23 if(n != 0){
24 memmove(p+(4-n), p, sizeofdefont-n);
25 p += 4-n;
26 }
27 ld = atoi(p+0*12);
28 r.min.x = atoi(p+1*12);
29 r.min.y = atoi(p+2*12);
30 r.max.x = atoi(p+3*12);
31 r.max.y = atoi(p+4*12);
32
33 i = allocimage(d, r, drawld2chan[ld], 0, 0);
34 if(i == 0)
35 return 0;
36
37 p += 5*12;
38 n = loadimage(i, r, (uchar*)p, (defontdata+sizeofdefont)-(uchar*)p);
39 if(n < 0){
40 freeimage(i);
41 return 0;
42 }
43
44 hdr = p+n;
45 n = atoi(hdr);
46 p = hdr+3*12;
47 fc = malloc(sizeof(Fontchar)*(n+1));
48 if(fc == 0){
49 freeimage(i);
50 return 0;
51 }
52 _unpackinfo(fc, (uchar*)p, n);
53 f = allocsubfont("*default*", n, atoi(hdr+12), atoi(hdr+24), fc, i);
54 if(f == 0){
55 freeimage(i);
56 free(fc);
57 return 0;
58 }
59 return f;
60 }
61