removing (outdated) drawterm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so removing this outdated copy.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, 52 deletions

diff --git a/sys/src/cmd/unix/drawterm/libmemlayer/unload.c b/sys/src/cmd/unix/drawterm/libmemlayer/unload.c
deleted file mode 100644
index b95341177..000000000
--- a/sys/src/cmd/unix/drawterm/libmemlayer/unload.c
+++ /dev/null
@@ -1,52 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-#include <memdraw.h>
-#include <memlayer.h>
-
-int
-memunload(Memimage *src, Rectangle r, uchar *data, int n)
-{
-	Memimage *tmp;
-	Memlayer *dl;
-	Rectangle lr;
-	int dx;
-
-    Top:
-	dl = src->layer;
-	if(dl == nil)
-		return unloadmemimage(src, r, data, n);
-
-	/*
- 	 * Convert to screen coordinates.
-	 */
-	lr = r;
-	r.min.x += dl->delta.x;
-	r.min.y += dl->delta.y;
-	r.max.x += dl->delta.x;
-	r.max.y += dl->delta.y;
-	dx = dl->delta.x&(7/src->depth);
-	if(dl->clear && dx==0){
-		src = dl->screen->image;
-		goto Top;
-	}
-
-	/*
-	 * src is an obscured layer or data is unaligned
-	 */
-	if(dl->save && dx==0){
-		if(dl->refreshfn != 0)
-			return -1;	/* can't unload window if it's not Refbackup */
-		if(n > 0)
-			memlhide(src, r);
-		n = unloadmemimage(dl->save, lr, data, n);
-		return n;
-	}
-	tmp = allocmemimage(lr, src->chan);
-	if(tmp == nil)
-		return -1;
-	memdraw(tmp, lr, src, lr.min, nil, lr.min, S);
-	n = unloadmemimage(tmp, lr, data, n);
-	freememimage(tmp);
-	return n;
-}