ref: c11957a7915d355d80ff7e6a21721ba05441ca29
dir: /libdraw/getdefont.c/
#include "lib9.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 u32*. */ p = (char*)defontdata; n = (uintptr)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; }