Subfont* _getsubfont(Display *d, char *name) { int fd; Subfont *f; fd = libopen(name, OREAD); if(fd < 0){ _drawprint(2, "getsubfont: can't open %s: %r\n", name); return 0; } /* * unlock display so i/o happens with display released, unless * user is doing his own locking, in which case this could break things. * _getsubfont is called only from string.c and stringwidth.c, * which are known to be safe to have this done. */ if(d->local == 0) unlockdisplay(d); f = readsubfont(d, name, fd, d->local == 0); if(d->local == 0) lockdisplay(d); if(f == 0) _drawprint(2, "getsubfont: can't read %s: %r\n", name); libclose(fd); return f; }
static void loadfont(int n, int s) { char file[256]; int i, fd, t, deep; static char *try[3] = {"", "times/R.", "pelm/"}; Subfont *f; Font *ff; try[0] = fname[n]; for (t = 0; t < 3; t++) { i = s * mag * charmap[fmap[n]].xheight/0.72; /* a pixel is 0.72 points */ if (i < MINSIZE) i = MINSIZE; dprint(2, "size %d, i %d, mag %g\n", s, i, mag); for(; i >= MINSIZE; i--) { /* if .font file exists, take that */ snprint(file, sizeof file, "%s/%s%d.font", libfont, try[t], i); ff = openfont(display, file); if(ff != 0) { fonttab[n][s] = ff; dprint(2, "using %s for font %d %d\n", file, n, s); return; } /* else look for a subfont file */ for (deep = log2[screen->depth]; deep >= 0; deep--) { snprint(file, sizeof file, "%s/%s%d.%d", libfont, try[t], i, deep); dprint(2, "trying %s for %d\n", file, i); if ((fd = open(file, 0)) >= 0) { f = readsubfont(display, file, fd, 0); if (f == 0) { fprint(2, "can't rdsubfontfile %s: %r\n", file); exits("rdsubfont"); } close(fd); ff = mkfont(f, 0); if(ff == 0) { fprint(2, "can't mkfont %s: %r\n", file); exits("rdsubfont"); } fonttab[n][s] = ff; dprint(2, "using %s for font %d %d\n", file, n, s); return; } } } } fprint(2, "can't find font %s.%d or substitute, quitting\n", fname[n], s); exits("no font"); } void loadfontname(int n, char *s) { int i; Font *f, *g = 0; if (strcmp(s, fname[n]) == 0) return; if(fname[n] && fname[n][0]) { if(lastload[n] && strcmp(lastload[n], fname[n]) == 0) return; strcpy(lastload[n], fname[n]); } fontlookup(n, s); for (i = 0; i < NSIZE; i++) if (f = fonttab[n][i]) { if (f != g) { freefont(f); g = f; } fonttab[n][i] = 0; } } void allfree(void) { int i; for (i=0; i<NFONT; i++) loadfontname(i, "??"); } void readmapfile(char *file) { Biobuf *fp; char *p, cmd[100]; if ((fp=Bopen(file, OREAD)) == 0) { fprint(2, "proof: can't open map file %s\n", file); exits("urk"); } while((p=Brdline(fp, '\n')) != 0) { p[Blinelen(fp)-1] = 0; scanstr(p, cmd, 0); if(p[0]=='\0' || eq(cmd, "#")) /* skip comments, empty */ continue; else if(eq(cmd, "xheight")) buildxheight(fp); else if(eq(cmd, "map")) buildmap(fp); else if(eq(cmd, "special")) buildtroff(p); else if(eq(cmd, "troff")) buildtroff(p); else fprint(2, "weird map line %s\n", p); } Bterm(fp); }