1992/1013/port/devbit.c (diff list | history)

1992/1010/sys/src/9/port/devbit.c:103,108 – 1992/1013/sys/src/9/port/devbit.c:103,109 (short | long | prev | next)
1992/0209		void bitstring(GBitmap*, Point, GFont*, uchar*, long, Fcode); void bitloadchar(GFont*, int, GSubfont*, int);
1990/0912		extern GBitmap gscreen;
1992/1013		extern islcd;
1990/0327
1991/0707		Mouseinfo mouse; Cursorinfo cursor;
1992/1010/sys/src/9/port/devbit.c:746,751 – 1992/1013/sys/src/9/port/devbit.c:747,801
1990/0327		return n;
1990/0324		}
1992/1013		static Rectangle mbb = {10000, 10000, -10000, -10000}; static void mbbrect(Rectangle r) { if (r.min.x < mbb.min.x) mbb.min.x = r.min.x; if (r.min.y < mbb.min.y) mbb.min.y = r.min.y; if (r.max.x > mbb.max.x) mbb.max.x = r.max.x; if (r.max.y > mbb.max.y) mbb.max.y = r.max.y; } static void mbbpt(Point p) { if (p.x < mbb.min.x) mbb.min.x = p.x; if (p.y < mbb.min.y) mbb.min.y = p.y; if (p.x >= mbb.max.x) mbb.max.x = p.x+1; if (p.y >= mbb.max.y) mbb.max.y = p.y+1; } Point bitstrsize(GFont *f, uchar *p, int l) { ushort r; Point s = {0,0}; GCacheinfo *c; while(l > 0){ r = BGSHORT(p); p += 2; l -= 2; if(r >= f->ncache) continue; c = &f->cache[r]; if(c->bottom > s.y) s.y = c->bottom; s.x += c->width; } return s; }
1990/0324		long
1991/0411		bitwrite(Chan *c, void *va, long n, ulong offset)
1990/0324		{
1992/1010/sys/src/9/port/devbit.c:754,759 – 1992/1013/sys/src/9/port/devbit.c:804,810
1992/0628		ulong l, nw, ws, rv, q0, q1;
1992/0816		ulong *lp;
1992/0621		int off, isoff, i, j, ok;
1992/1013		ulong *endscreen = gaddr(&gscreen, Pt(0, gscreen.r.max.y));
1990/06111		Point pt, pt1, pt2;
1990/0324		Rectangle rect;
1990/05313		Cursor curs;
1992/1010/sys/src/9/port/devbit.c:763,768 – 1992/1013/sys/src/9/port/devbit.c:814,820
1992/0702		BSubfont *f, *tf, **fp;
1992/0621		GFont *ff, **ffp;
1992/0706		GCacheinfo *gc;
1992/1013		extern void screenupdate(Rectangle);
1990/0324
1992/0807		if(!conf.monitor) error(Egreg);
1992/1010/sys/src/9/port/devbit.c:856,861 – 1992/1013/sys/src/9/port/devbit.c:908,915
1990/0721		isoff = 1; }
1991/1225		gbitblt(dst, pt, src, rect, fc);
1992/1013		if(islcd && dst->base < endscreen) mbbrect(Rpt(pt, add(pt, sub(rect.max, rect.min))));
1990/0327		m -= 31; p += 31; break;
1992/1010/sys/src/9/port/devbit.c:1089,1094 – 1992/1013/sys/src/9/port/devbit.c:1143,1152
1990/0721		isoff = 1; }
1991/0706		gsegment(dst, pt1, pt2, t, fc);
1992/1013		if(islcd && dst->base < endscreen) { mbbpt(pt1); mbbpt(pt2); }
1990/06111		m -= 22; p += 22;
1990/0613		break;
1992/1010/sys/src/9/port/devbit.c:1188,1193 – 1992/1013/sys/src/9/port/devbit.c:1246,1253
1990/0722		isoff = 1; }
1991/0706		gpoint(dst, pt1, t, fc);
1992/1013		if(islcd && dst->base < endscreen) mbbpt(pt1);
1990/0722		m -= 14; p += 14; break;
1992/1010/sys/src/9/port/devbit.c:1278,1283 – 1992/1013/sys/src/9/port/devbit.c:1338,1345
1992/0209		isoff = 1; } bitstring(dst, pt, ff, p, l, fc);
1992/1013		if(islcd && dst->base < endscreen) mbbrect(Rpt(pt, add(pt, bitstrsize(ff, p, l))));
1992/0209		m -= l; p += l; break;
1992/1010/sys/src/9/port/devbit.c:1315,1320 – 1992/1013/sys/src/9/port/devbit.c:1377,1384
1992/0627		isoff = 1; } gtexture(dst, rect, src, fc);
1992/1013		if(islcd && dst->base < endscreen) mbbrect(rect);
1992/0627		m -= 23; p += 23; break;
1992/1010/sys/src/9/port/devbit.c:1393,1398 – 1992/1013/sys/src/9/port/devbit.c:1457,1464
1990/0329		t = (t/ws)*ws; l = (t+dst->r.max.x+ws-1)/ws; }
1992/1013		if(islcd && dst->base < endscreen) mbbrect(Rect(dst->r.min.x, miny, dst->r.max.x, maxy));
1990/0329		p += 11; m -= 11; if(m < l*(maxy-miny))
1992/1010/sys/src/9/port/devbit.c:1504,1509 – 1992/1013/sys/src/9/port/devbit.c:1570,1579
1991/0614		poperror();
1990/0721		if(isoff) cursoron(1);
1992/1013		if(islcd) { screenupdate(mbb); mbb = Rect(10000, 10000, -10000, -10000); }
1992/0622		qunlock(&bit);
1990/0324		return n; }
1992/1010/sys/src/9/port/devbit.c:1851,1860 – 1992/1013/sys/src/9/port/devbit.c:1921,1932
1990/0504		cursor.r.max = add(mouse.xy, Pt(16, 16)); cursor.r = raddp(cursor.r, cursor.offset);
1991/1225		gbitblt(&cursorback, Pt(0, 0), &gscreen, cursor.r, S); gbitblt(&gscreen, add(mouse.xy, cursor.offset),
1992/1013		gbitblt(&gscreen, cursor.r.min,
1991/0706		&clr, Rect(0, 0, 16, 16), flipping? flipD[D&~S] : D&~S);
1991/1225		gbitblt(&gscreen, add(mouse.xy, cursor.offset),
1992/1013		gbitblt(&gscreen, cursor.r.min,
1991/0706		&set, Rect(0, 0, 16, 16), flipping? flipD[S|D] : S|D);
1992/1013		if(islcd) mbbrect(cursor.r);
1990/0504		} if(dolock) unlock(&cursor);
1992/1010/sys/src/9/port/devbit.c:1865,1872 – 1992/1013/sys/src/9/port/devbit.c:1937,1947
1990/0504		{ if(dolock) lock(&cursor); if(--cursor.visible == 0)
1992/1013		if(--cursor.visible == 0) {
1991/1225		gbitblt(&gscreen, cursor.r.min, &cursorback, Rect(0, 0, 16, 16), S);
1992/1013		if(islcd) mbbrect(cursor.r); }
1990/0504		if(dolock) unlock(&cursor); }