1 #include "lib9.h"
2 #include "kernel.h"
3 #include "draw.h"
4
5 Subfont*
readsubfonti(Display * d,char * name,int fd,Image * ai,int dolock)6 readsubfonti(Display*d, char *name, int fd, Image *ai, int dolock)
7 {
8 char hdr[3*12+4+1];
9 int n;
10 uchar *p;
11 Fontchar *fc;
12 Subfont *f;
13 Image *i;
14
15 i = ai;
16 if(i == nil){
17 i = readimage(d, fd, dolock|2);
18 if(i == nil)
19 return nil;
20 }
21 if(libreadn(fd, hdr, 3*12) != 3*12){
22 if(ai == nil)
23 freeimage(i);
24 kwerrstr("rdsubfonfile: header read error: %r");
25 return nil;
26 }
27 n = atoi(hdr);
28 p = malloc(6*(n+1));
29 if(p == nil)
30 return nil;
31 if(libreadn(fd, p, 6*(n+1)) != 6*(n+1)){
32 kwerrstr("rdsubfonfile: fontchar read error: %r");
33 Err:
34 free(p);
35 return nil;
36 }
37 fc = malloc(sizeof(Fontchar)*(n+1));
38 if(fc == nil)
39 goto Err;
40 _unpackinfo(fc, p, n);
41 if(dolock)
42 lockdisplay(d);
43 f = allocsubfont(name, n, atoi(hdr+12), atoi(hdr+24), fc, i);
44 if(dolock)
45 unlockdisplay(d);
46 if(f == nil){
47 free(fc);
48 goto Err;
49 }
50 free(p);
51 return f;
52 }
53
54 Subfont*
readsubfont(Display * d,char * name,int fd,int dolock)55 readsubfont(Display*d, char *name, int fd, int dolock)
56 {
57 return readsubfonti(d, name, fd, nil, dolock);
58 }
59