removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 80 deletions

diff --git a/sys/src/cmd/unix/drawterm/libmemlayer/ltofront.c b/sys/src/cmd/unix/drawterm/libmemlayer/ltofront.c
deleted file mode 100644
index 447b40bdf..000000000
--- a/sys/src/cmd/unix/drawterm/libmemlayer/ltofront.c
+++ /dev/null
@@ -1,80 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-#include <memdraw.h>
-#include <memlayer.h>
-
-/*
- * Pull i towards top of screen, just behind front
-*/
-static
-void
-_memltofront(Memimage *i, Memimage *front, int fill)
-{
-	Memlayer *l;
-	Memscreen *s;
-	Memimage *f, *ff, *rr;
-	Rectangle x;
-	int overlap;
-
-	l = i->layer;
-	s = l->screen;
-	while(l->front != front){
-		f = l->front;
-		x = l->screenr;
-		overlap = rectclip(&x, f->layer->screenr);
-		if(overlap){
-			memlhide(f, x);
-			f->layer->clear = 0;
-		}
-		/* swap l and f in screen's list */
-		ff = f->layer->front;
-		rr = l->rear;
-		if(ff == nil)
-			s->frontmost = i;
-		else
-			ff->layer->rear = i;
-		if(rr == nil)
-			s->rearmost = f;
-		else
-			rr->layer->front = f;
-		l->front = ff;
-		l->rear = f;
-		f->layer->front = i;
-		f->layer->rear = rr;
-		if(overlap && fill)
-			memlexpose(i, x);
-	}
-}
-
-void
-_memltofrontfill(Memimage *i, int fill)
-{
-	_memltofront(i, nil, fill);
-	_memlsetclear(i->layer->screen);
-}
-
-void
-memltofront(Memimage *i)
-{
-	_memltofront(i, nil, 1);
-	_memlsetclear(i->layer->screen);
-}
-
-void
-memltofrontn(Memimage **ip, int n)
-{
-	Memimage *i, *front;
-	Memscreen *s;
-
-	if(n == 0)
-		return;
-	front = nil;
-	while(--n >= 0){
-		i = *ip++;
-		_memltofront(i, front, 1);
-		front = i;
-	}
-	s = front->layer->screen;
-	_memlsetclear(s);
-}