1992/0628/port/devbit.c (diff list | history)

1992/06271/sys/src/9/port/devbit.c:77,82 – 1992/0628/sys/src/9/port/devbit.c:77,83 (short | long | prev | next)
1992/0622		int narena; /* number allocated */
1990/0327		int lastid; /* last allocated bitmap id */
1992/0209		int lastsubfid; /* last allocated subfont id */
1992/0628		int lastcachesf; /* last cached subfont id */
1990/0623		int lastfid; /* last allocated font id */
1990/0329		int init; /* freshly opened; init message pending */
1990/0613		int rid; /* read bitmap id */
1992/06271/sys/src/9/port/devbit.c:272,277 – 1992/0628/sys/src/9/port/devbit.c:273,279
1990/0327		bit.lastid = -1;
1990/0623		bit.lastfid = -1;
1992/0209		bit.lastsubfid = -1;
1992/0628		bit.lastcachesf = -1;
1990/0613		bit.rid = -1;
1991/0706		bit.mid = -1;
1990/0604		bit.init = 0;
1992/06271/sys/src/9/port/devbit.c:335,344 – 1992/0628/sys/src/9/port/devbit.c:337,344
1992/0621		esp = &bit.subfont[bit.nsubfont]; for(sp=&bit.subfont[1]; sp<esp; sp++){ s = *sp; if(s){
1992/0628		if(s)
1992/0621		subfontfree(s); *sp = 0; } } efp = &bit.font[bit.nfont]; for(fp=bit.font; fp<efp; fp++){
1992/06271/sys/src/9/port/devbit.c:367,372 – 1992/0628/sys/src/9/port/devbit.c:367,373
1992/0627		int off, j;
1990/06231		Fontchar *i;
1990/0902		GBitmap *src;
1992/0628		BSubfont *s;
1990/0327
1990/11211		if(c->qid.path & CHDIR)
1990/0324		return devdirread(c, va, n, bitdir, NBIT, devgen);
1992/06271/sys/src/9/port/devbit.c:506,511 – 1992/0628/sys/src/9/port/devbit.c:507,538
1992/0622		PSHORT(p+1, bit.lastsubfid); bit.lastsubfid = -1; n = 3;
1992/0628		}else if(bit.lastcachesf > 0){ /* * allocate subfont: * 'J' 1 * subfont id 2 * font info 3*12 * fontchars 6*(subfont->n+1) */ p[0] = 'J'; PSHORT(p+1, bit.lastcachesf); s = bit.subfont[bit.lastcachesf]; if(s==0 || n<3+3*12+6*(s->n+1)) error(Ebadblt); p += 3; sprint((char*)p, "%11d %11d %11d ", s->n, s->height, s->ascent); p += 3*12; for(i=s->info,j=0; j<=s->n; j++,i++,p+=6){ PSHORT(p, i->x); p[2] = i->top; p[3] = i->bottom; p[4] = i->left; p[5] = i->width; } n = 3+3*12+6*(s->n+1); bit.lastcachesf = -1;
1992/0622		}else if(bit.lastfid >= 0){ /* * allocate font:
1992/06271/sys/src/9/port/devbit.c:603,609 – 1992/0628/sys/src/9/port/devbit.c:630,636
1990/0324		{
1990/0329		uchar *p, *q;
1991/0706		long m, v, miny, maxy, minx, maxx, t, x, y; ulong l, nw, ws, rv;
1992/0628		ulong l, nw, ws, rv, q0, q1;
1992/0621		int off, isoff, i, j, ok;
1990/06111		Point pt, pt1, pt2;
1990/0324		Rectangle rect;
1992/06271/sys/src/9/port/devbit.c:759,765 – 1992/0628/sys/src/9/port/devbit.c:786,792
1990/0604
1990/0623		case 'g': /*
1992/0209		* free subfont (free bitmap separately)
1992/0628		* free subfont
1990/0623		* 'g' 1 * id 2 */
1992/06271/sys/src/9/port/devbit.c:766,775 – 1992/0628/sys/src/9/port/devbit.c:793,801
1990/0623		if(m < 3)
1990/11211		error(Ebadblt);
1990/0623		v = GSHORT(p+1);
1992/0621		if(v<0 || v>=bit.nsubfont || (f=bit.subfont[v])==0)
1992/0628		if(v<0 || v>=bit.nsubfont || (f=bit.subfont[v])==0 || f->ref==0)
1990/11211		error(Ebadfont);
1992/0621		subfontfree(f); bit.subfont[v] = 0;
1990/0623		m -= 3; p += 3; break;
1992/06271/sys/src/9/port/devbit.c:804,817 – 1992/0628/sys/src/9/port/devbit.c:830,856
1990/0329
1992/06271		case 'j': /* * font cache check
1992/0628		* subfont cache check
1992/06271		* * 'j' 1 * qid 8 BUG: ignored */
1992/0628		if(m < 9) error(Ebadblt); q0 = GLONG(p+1); q1 = GLONG(p+5); for(i=0; i<bit.nsubfont; i++){ f = bit.subfont[i]; if(f && f->qid[0]==q0 && f->qid[1]==q1) goto sfcachefound; } error(Esfnotcached); sfcachefound: f->ref++; bit.lastcachesf = i;
1992/06271		m -= 9; p += 9; error(Esfnotcached); /* BUG */ break;
1990/0623		case 'k':
1992/06271/sys/src/9/port/devbit.c:848,853 – 1992/0628/sys/src/9/port/devbit.c:887,893
1990/0623		f->ascent = p[4];
1992/06271		f->qid[0] = GLONG(p+7); f->qid[1] = GLONG(p+11);
1992/0628		f->ref = 1;
1990/0623		v = GSHORT(p+5);
1992/0621		if(v<0 || v>=bit.nmap || (dst=bit.map[v])==0)
1990/11211		error(Ebadbitmap);
1992/06271/sys/src/9/port/devbit.c:1250,1257 – 1992/0628/sys/src/9/port/devbit.c:1290,1297
1992/0209		if(l >= NFCACHE+NFLOOK) error(Ebadblt); v = GSHORT(p+5);
1992/0622		if(v<0 || v>=bit.nsubfont || (f=bit.subfont[v])==0)
1992/0209		error(Ebadblt);
1992/0628		if(v<0 || v>=bit.nsubfont || (f=bit.subfont[v])==0 || f->ref==0) error(Ebadfont);
1992/0209		nw = GSHORT(p+7); if(nw >= f->n) error(Ebadblt);
1992/06271/sys/src/9/port/devbit.c:1305,1310 – 1992/0628/sys/src/9/port/devbit.c:1345,1351
1992/0209		{
1992/0622		Arena *a, *ea, *na, *aa;
1992/0621		GBitmap *b, **bp, **ep;
1992/0628		BSubfont *s;
1992/0209		ulong l, ws, nw; long t;
1992/0622		int i, try;
1992/06271/sys/src/9/port/devbit.c:1357,1366 – 1992/0628/sys/src/9/port/devbit.c:1398,1428
1992/0622		if(a->nwords < HDR+nw) a->nwords = HDR+nw; a->words = xalloc(a->nwords*sizeof(ulong)); if(a->words == 0)
1992/0628		if(a->words){ a->wfree = a->words; a->nbusy = 0; goto found; } /* free unused subfonts, compact, and try again */ for(i=0; i<bit.nsubfont; i++){ s = bit.subfont[i]; if(s && s->ref==0){ bitfree(s->bits); free(s->info); free(s); bit.subfont[i] = 0; } } bitcompact(); for(a=bit.arena; a<ea; a++){ if(a->words == 0) continue; if(a->wfree+HDR+nw <= a->words+a->nwords) goto found; } if(a == ea)
1992/0622		error(Enobitstore); a->wfree = a->words; a->nbusy = 0; found:
1992/0621		b = smalloc(sizeof(GBitmap));
1992/06271/sys/src/9/port/devbit.c:1424,1432 – 1992/0628/sys/src/9/port/devbit.c:1486,1493
1992/0621		void
1992/06271		subfontfree(BSubfont *s)
1992/0621		{
1992/06271		bitfree(s->bits);
1992/0621		free(s->info); free(s);
1992/0628		s->ref--; return;
1992/0621		} void