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- #include <u.h>
- #include <libc.h>
- #include <draw.h>
- Subfont*
- getdefont(Display *d)
- {
- char *hdr, *p;
- int n;
- Fontchar *fc;
- Subfont *f;
- int ld;
- Rectangle r;
- Image *i;
- /*
- * make sure data is word-aligned. this is true with Plan 9 compilers
- * but not in general. the byte order is right because the data is
- * declared as char*, not ulong*.
- */
- p = (char*)defontdata;
- n = (ulong)p & 3;
- if(n != 0){
- memmove(p+(4-n), p, sizeofdefont-n);
- p += 4-n;
- }
- ld = atoi(p+0*12);
- r.min.x = atoi(p+1*12);
- r.min.y = atoi(p+2*12);
- r.max.x = atoi(p+3*12);
- r.max.y = atoi(p+4*12);
- i = allocimage(d, r, drawld2chan[ld], 0, 0);
- if(i == 0)
- return 0;
- p += 5*12;
- n = loadimage(i, r, (uchar*)p, (defontdata+sizeofdefont)-(uchar*)p);
- if(n < 0){
- freeimage(i);
- return 0;
- }
- hdr = p+n;
- n = atoi(hdr);
- p = hdr+3*12;
- fc = malloc(sizeof(Fontchar)*(n+1));
- if(fc == 0){
- freeimage(i);
- return 0;
- }
- _unpackinfo(fc, (uchar*)p, n);
- f = allocsubfont("*default*", n, atoi(hdr+12), atoi(hdr+24), fc, i);
- if(f == 0){
- freeimage(i);
- free(fc);
- return 0;
- }
- return f;
- }
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