1990/0623/port/devbit.c (diff list | history)

1990/0613/sys/src/9/port/devbit.c:32,38 – 1990/0623/sys/src/9/port/devbit.c:32,40 (short | long | prev | next)
1990/0327		ulong *words; /* storage */ ulong nwords; /* total in arena */ ulong *wfree; /* pointer to next free word */
1990/0623		Font *font; /* arena; looked up linearly BUG */
1990/0327		int lastid; /* last allocated bitmap 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 */ int rminy; /* read miny */
1990/0613/sys/src/9/port/devbit.c:126,131 – 1990/0623/sys/src/9/port/devbit.c:128,134
1990/0324		}; #define NBIT (sizeof bitdir/sizeof(Dirtab))
1990/0623		#define NINFO 150
1990/0324		void bitreset(void)
1990/0613/sys/src/9/port/devbit.c:143,151 – 1990/0623/sys/src/9/port/devbit.c:146,159
1990/0327		bit.map[0] = screen; /* bitmap 0 is screen */ bit.free = bit.map+1; bit.lastid = -1;
1990/0623		bit.lastfid = -1;
1990/0327		bit.words = ialloc(conf.nbitbyte, 0); bit.nwords = conf.nbitbyte/sizeof(ulong); bit.wfree = bit.words;
1990/0623		bit.font = ialloc(conf.nfont * sizeof(Font), 0); bit.font[0] = *defont; for(i=1; i<conf.nfont; i++) bit.font[i].info = ialloc((NINFO+1)*sizeof(Fontchar), 0);
1990/05313		Cursortocursor(&arrow);
1990/0324		}
1990/0613/sys/src/9/port/devbit.c:199,204 – 1990/0623/sys/src/9/port/devbit.c:207,213
1990/0324		error(0, Einuse); }
1990/0327		bit.lastid = -1;
1990/0623		bit.lastfid = -1;
1990/0613		bit.rid = -1;
1990/0604		bit.init = 0;
1990/05151		bit.ref = 1;
1990/0613/sys/src/9/port/devbit.c:235,240 – 1990/0623/sys/src/9/port/devbit.c:244,250
1990/0324		{
1990/0327		int i; Bitmap *bp;
1990/0623		Font *fp;
1990/0327
1990/05151		if(c->qid!=CHDIR && (c->flag&COPEN)){
1990/0329		lock(&bit);
1990/0613/sys/src/9/port/devbit.c:242,247 – 1990/0623/sys/src/9/port/devbit.c:252,259
1990/0327		for(i=1,bp=&bit.map[1]; i<conf.nbitmap; i++,bp++) if(bp->ldepth >= 0) bitfree(bp);
1990/0623		for(i=1,fp=&bit.font[1]; i<conf.nfont; i++,fp++) fp->bits = 0;
1990/0327		}
1990/0324		unlock(&bit); }
1990/0613/sys/src/9/port/devbit.c:337,342 – 1990/0623/sys/src/9/port/devbit.c:349,368
1990/0505		n = 3; break; }
1990/0623		if(bit.lastfid > 0){ /* * allocate font: * 'K' 1 * font id 2 */ if(n < 3) error(0, Ebadblt); p[0] = 'K'; PSHORT(p+1, bit.lastfid); bit.lastfid = -1; n = 3; break; }
1990/0613		if(bit.rid >= 0){ /* * read
1990/0613/sys/src/9/port/devbit.c:395,405 – 1990/0623/sys/src/9/port/devbit.c:421,433
1990/0329		uchar *p, *q; long m, v, miny, maxy, t, x, y;
1990/0327		ulong l, nw, ws;
1990/0504		int off;
1990/0623		int off, i;
1990/06111		Point pt, pt1, pt2;
1990/0324		Rectangle rect;
1990/05313		Cursor curs;
1990/0623		Fontchar *fcp;
1990/0327		Bitmap *bp, *src, *dst;
1990/0623		Font *f;
1990/0324		if(c->qid == CHDIR) error(0, Eisdir);
1990/0613/sys/src/9/port/devbit.c:551,557 – 1990/0623/sys/src/9/port/devbit.c:579,585
1990/0327		error(0, Ebadblt); v = GSHORT(p+1); dst = &bit.map[v];
1990/0329		if(v>=conf.nbitmap || dst->ldepth<0)
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/0327		bitfree(dst); m -= 3;
1990/0613/sys/src/9/port/devbit.c:558,563 – 1990/0623/sys/src/9/port/devbit.c:586,608
1990/0327		p += 3;
1990/0604		break;
1990/0623		case 'g': /* * free font (free bitmap separately) * 'g' 1 * id 2 */ if(m < 3) error(0, Ebadblt); v = GSHORT(p+1); f = &bit.font[v]; if(v<0 || v>=conf.nfont || f->bits==0) error(0, Ebadbitmap); f->bits = 0; m -= 3; p += 3; break;
1990/0604		case 'i': /* * init
1990/0613/sys/src/9/port/devbit.c:569,574 – 1990/0623/sys/src/9/port/devbit.c:614,665
1990/0604		p += 1;
1990/0327		break;
1990/0329
1990/0623		case 'k': /* * allocate font * 'k' 1 * n 2 * height 1 * ascent 1 * bitmap id 2 * fontchars 6*n * next read returns allocated font id */ if(m < 7) error(0, Ebadblt); v = GSHORT(p+1); if(v<0 || v>NINFO || m<7+6*(v+1)) /* BUG */ error(0, Ebadblt); for(i=1; i<conf.nfont; i++) if(bit.font[i].bits == 0) goto fontfound; error(0, Enofont); fontfound: f = &bit.font[i]; f->n = v; f->height = p[3]; f->ascent = p[4]; v = GSHORT(p+5); dst = &bit.map[v]; if(v<0 || v>=conf.nbitmap || dst->ldepth<0) error(0, Ebadbitmap); m -= 7; p += 7; fcp = f->info; for(i=0; i<=f->n; i++,fcp++){ fcp->x = GSHORT(p); fcp->top = p[2]; fcp->bottom = p[3]; fcp->left = p[4]; fcp->width = p[5]; fcp->top = p[2]; p += 6; m -= 6; } bit.lastfid = f - bit.font; f->bits = dst; break;
1990/06111		case 'l': /* * line segment
1990/0613/sys/src/9/port/devbit.c:584,590 – 1990/0623/sys/src/9/port/devbit.c:675,681
1990/06111		error(0, Ebadblt); v = GSHORT(p+1); dst = &bit.map[v]; if(v>=conf.nbitmap || dst->ldepth<0)
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/06111		error(0, Ebadbitmap); off = 0; if(v == 0)
1990/0613/sys/src/9/port/devbit.c:616,622 – 1990/0623/sys/src/9/port/devbit.c:707,713
1990/0613		error(0, Ebadblt); v = GSHORT(p+1); src = &bit.map[v]; if(v>=conf.nbitmap || src->ldepth<0)
1990/0623		if(v<0 || v>=conf.nbitmap || src->ldepth<0)
1990/0613		error(0, Ebadbitmap); miny = GLONG(p+3); maxy = GLONG(p+7);
1990/0613/sys/src/9/port/devbit.c:643,649 – 1990/0623/sys/src/9/port/devbit.c:734,740
1990/0329		error(0, Ebadblt); v = GSHORT(p+1); dst = &bit.map[v]; if(v>=conf.nbitmap || dst->ldepth<0)
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/0504		off = 0; if(v == 0)
1990/0613/sys/src/9/port/devbit.c:651,657 – 1990/0623/sys/src/9/port/devbit.c:742,749
1990/0329		pt.x = GLONG(p+3); pt.y = GLONG(p+7); v = GSHORT(p+11); if(v != 0) /* BUG */
1990/0623		f = &bit.font[v]; if(v<0 || v>=conf.nfont || f->bits==0 || f->bits->ldepth<0)
1990/0329		error(0, Ebadblt); v = GSHORT(p+13); p += 15;
1990/0613/sys/src/9/port/devbit.c:661,667 – 1990/0623/sys/src/9/port/devbit.c:753,759
1990/0329		error(0, Ebadblt);
1990/0504		if(off) cursoroff(1);
1990/05313		string(dst, pt, defont/*BUG*/, (char*)p, v);
1990/0623		string(dst, pt, f, (char*)p, v);
1990/0504		if(off) cursoron(1);
1990/0329		q++;
1990/0613/sys/src/9/port/devbit.c:682,688 – 1990/0623/sys/src/9/port/devbit.c:774,780
1990/0329		error(0, Ebadblt); v = GSHORT(p+1); dst = &bit.map[v]; if(v>=conf.nbitmap || dst->ldepth<0)
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/0504		off = 0; if(v == 0)
1990/0613/sys/src/9/port/devbit.c:693,699 – 1990/0623/sys/src/9/port/devbit.c:785,791
1990/0329		rect.max.y = GLONG(p+15); v = GSHORT(p+19); src = &bit.map[v]; if(v>=conf.nbitmap || src->ldepth<0)
1990/0623		if(v<0 || v>=conf.nbitmap || src->ldepth<0)
1990/0329		error(0, Ebadbitmap); if(src->r.min.x!=0 || src->r.min.y!=0 || src->r.max.x!=16 || src->r.max.y!=16) error(0, Ebadblt);
1990/0613/sys/src/9/port/devbit.c:727,733 – 1990/0623/sys/src/9/port/devbit.c:819,825
1990/0329		error(0, Ebadblt); v = GSHORT(p+1); dst = &bit.map[v]; if(v>=conf.nbitmap || dst->ldepth<0)
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/0504		off = 0; if(v == 0)