1 ed7c8e8d 2003-09-30 devnull #include <u.h>
 2 ed7c8e8d 2003-09-30 devnull #include <libc.h>
 3 ed7c8e8d 2003-09-30 devnull #include <draw.h>
 4 ed7c8e8d 2003-09-30 devnull 
 5 ed7c8e8d 2003-09-30 devnull Subfont*
 6 ed7c8e8d 2003-09-30 devnull getdefont(Display *d)
 7 ed7c8e8d 2003-09-30 devnull {
 8 ed7c8e8d 2003-09-30 devnull 	char *hdr, *p;
 9 ed7c8e8d 2003-09-30 devnull 	int n;
10 ed7c8e8d 2003-09-30 devnull 	Fontchar *fc;
11 ed7c8e8d 2003-09-30 devnull 	Subfont *f;
12 ed7c8e8d 2003-09-30 devnull 	int ld;
13 ed7c8e8d 2003-09-30 devnull 	Rectangle r;
14 ed7c8e8d 2003-09-30 devnull 	Image *i;
15 ed7c8e8d 2003-09-30 devnull 
16 ed7c8e8d 2003-09-30 devnull 	/*
17 ed7c8e8d 2003-09-30 devnull 	 * make sure data is word-aligned.  this is true with Plan 9 compilers
18 ed7c8e8d 2003-09-30 devnull 	 * but not in general.  the byte order is right because the data is
19 ed7c8e8d 2003-09-30 devnull 	 * declared as char*, not ulong*.
20 ed7c8e8d 2003-09-30 devnull 	 */
21 ed7c8e8d 2003-09-30 devnull 	p = (char*)defontdata;
22 ed7c8e8d 2003-09-30 devnull 	n = (ulong)p & 3;
23 ed7c8e8d 2003-09-30 devnull 	if(n != 0){
24 ed7c8e8d 2003-09-30 devnull 		memmove(p+(4-n), p, sizeofdefont-n);
25 ed7c8e8d 2003-09-30 devnull 		p += 4-n;
26 ed7c8e8d 2003-09-30 devnull 	}
27 ed7c8e8d 2003-09-30 devnull 	ld = atoi(p+0*12);
28 ed7c8e8d 2003-09-30 devnull 	r.min.x = atoi(p+1*12);
29 ed7c8e8d 2003-09-30 devnull 	r.min.y = atoi(p+2*12);
30 ed7c8e8d 2003-09-30 devnull 	r.max.x = atoi(p+3*12);
31 ed7c8e8d 2003-09-30 devnull 	r.max.y = atoi(p+4*12);
32 ed7c8e8d 2003-09-30 devnull 
33 ed7c8e8d 2003-09-30 devnull 	i = allocimage(d, r, drawld2chan[ld], 0, 0);
34 ed7c8e8d 2003-09-30 devnull 	if(i == 0)
35 ed7c8e8d 2003-09-30 devnull 		return 0;
36 ed7c8e8d 2003-09-30 devnull 
37 ed7c8e8d 2003-09-30 devnull 	p += 5*12;
38 ed7c8e8d 2003-09-30 devnull 	n = loadimage(i, r, (uchar*)p, (defontdata+sizeofdefont)-(uchar*)p);
39 ed7c8e8d 2003-09-30 devnull 	if(n < 0){
40 ed7c8e8d 2003-09-30 devnull 		freeimage(i);
41 ed7c8e8d 2003-09-30 devnull 		return 0;
42 ed7c8e8d 2003-09-30 devnull 	}
43 ed7c8e8d 2003-09-30 devnull 
44 ed7c8e8d 2003-09-30 devnull 	hdr = p+n;
45 ed7c8e8d 2003-09-30 devnull 	n = atoi(hdr);
46 ed7c8e8d 2003-09-30 devnull 	p = hdr+3*12;
47 ed7c8e8d 2003-09-30 devnull 	fc = malloc(sizeof(Fontchar)*(n+1));
48 ed7c8e8d 2003-09-30 devnull 	if(fc == 0){
49 ed7c8e8d 2003-09-30 devnull 		freeimage(i);
50 ed7c8e8d 2003-09-30 devnull 		return 0;
51 ed7c8e8d 2003-09-30 devnull 	}
52 ed7c8e8d 2003-09-30 devnull 	_unpackinfo(fc, (uchar*)p, n);
53 ed7c8e8d 2003-09-30 devnull 	f = allocsubfont("*default*", n, atoi(hdr+12), atoi(hdr+24), fc, i);
54 ed7c8e8d 2003-09-30 devnull 	if(f == 0){
55 ed7c8e8d 2003-09-30 devnull 		freeimage(i);
56 ed7c8e8d 2003-09-30 devnull 		free(fc);
57 ed7c8e8d 2003-09-30 devnull 		return 0;
58 ed7c8e8d 2003-09-30 devnull 	}
59 ed7c8e8d 2003-09-30 devnull 	return f;
60 ed7c8e8d 2003-09-30 devnull }