1992/0816/port/devbit.c (diff list | history)

1992/0811/sys/src/9/port/devbit.c:463,469 – 1992/0816/sys/src/9/port/devbit.c:463,469 (short | long | prev | next)
1990/0324		{
1990/0613		uchar *p, *q; long miny, maxy, t, x, y;
1992/0630		ulong l, v, nw, ws, rv, gv, bv;
1992/0816		ulong l, nw, ws, rv, gv, bv;
1992/0627		int off, j;
1990/06231		Fontchar *i;
1990/0902		GBitmap *src;
1992/0811/sys/src/9/port/devbit.c:525,536 – 1992/0816/sys/src/9/port/devbit.c:525,537
1990/0709		p = va; for(y=miny; y<maxy; y++){
1990/0912		q = (uchar*)gaddr(&gscreen, Pt(0, y));
1992/0630		for(x=0; x<l; x++,p++,q++){ v = *q; if(flipping) v = ~v; BPLONG(p, v); }
1992/0816		memmove(p, q, l); if(flipping) /* is screen, so must be word aligned */ for(x=0; x<l; x+=sizeof(ulong),p+=sizeof(ulong)) *(ulong*)p ^= ~0; else p += l;
1990/0709		n += l; }
1992/0622		return n;
1992/0811/sys/src/9/port/devbit.c:718,729 – 1992/0816/sys/src/9/port/devbit.c:719,731
1992/0622		for(y=miny; y<maxy; y++){ q = (uchar*)gaddr(src, Pt(src->r.min.x, y)); q += (src->r.min.x&((sizeof(ulong))*ws-1))/ws;
1992/0630		if(bit.rid == 0) for(x=0; x<l; x++,p++,q++) BPLONG(p, ~*q);
1992/0816		memmove(p, q, l); if(bit.rid==0 && flipping) /* is screen, so must be word aligned */ for(x=0; x<l; x+=sizeof(ulong),p+=sizeof(ulong)) *(ulong*)p ^= ~0;
1992/0622		else for(x=0; x<l; x++) *p++ = *q++;
1992/0816		p += l;
1992/0622		n += l; } if(off)
1992/0811/sys/src/9/port/devbit.c:739,747 – 1992/0816/sys/src/9/port/devbit.c:741,750
1990/0324		long
1991/0411		bitwrite(Chan *c, void *va, long n, ulong offset)
1990/0324		{
1990/0329		uchar *p, *q;
1992/0816		uchar *p, *q, *oq;
1992/0711		long m, v, miny, maxy, t, x, y;
1992/0628		ulong l, nw, ws, rv, q0, q1;
1992/0816		ulong *lp;
1992/0621		int off, isoff, i, j, ok;
1990/06111		Point pt, pt1, pt2;
1990/0324		Rectangle rect;
1992/0811/sys/src/9/port/devbit.c:1391,1404 – 1992/0816/sys/src/9/port/devbit.c:1394,1409
1990/0721		isoff = 1; }
1990/0329		for(y=miny; y<maxy; y++){
1990/0912		q = (uchar*)gaddr(dst, Pt(dst->r.min.x, y));
1990/0911		q += (dst->r.min.x&((sizeof(ulong))*ws-1))/ws;
1991/0706		if(v == 0 && flipping) /* flip bits */ for(x=0; x<l; x++)
1992/0209		*q++ = ~(*p++);
1991/0706		else for(x=0; x<l; x++)
1992/0209		*q++ = *p++;
1992/0816		oq = (uchar*)gaddr(dst, Pt(dst->r.min.x, y)); q = oq + (dst->r.min.x&((sizeof(ulong))*ws-1))/ws; memmove(q, p, l); if(v==0 && flipping){ /* flip bits */ /* we know it's all word aligned */ lp = (ulong*)oq; for(x=0; x<l; x+=sizeof(ulong)) *lp++ ^= ~0; } p += l;
1990/0329		m -= l; } break;
1992/0811/sys/src/9/port/devbit.c:1414,1420 – 1992/0816/sys/src/9/port/devbit.c:1419,1425
1990/11211		error(Ebadblt);
1992/0630		pt1.x = BGLONG(p+1); pt1.y = BGLONG(p+5);
1991/0706		/* if(!eqpt(mouse.xy, pt1))*/{
1992/0816		if(ptinrect(pt1, gscreen.r)){
1991/0619		mouse.xy = pt1; mouse.track = 1; mouseclock();