removing (outdated) drawterm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so removing this outdated copy.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, 72 deletions

diff --git a/sys/src/cmd/unix/drawterm/libmemdraw/load.c b/sys/src/cmd/unix/drawterm/libmemdraw/load.c
deleted file mode 100644
index 4d724d36e..000000000
--- a/sys/src/cmd/unix/drawterm/libmemdraw/load.c
+++ /dev/null
@@ -1,72 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-#include <memdraw.h>
-
-int
-_loadmemimage(Memimage *i, Rectangle r, uchar *data, int ndata)
-{
-	int y, l, lpart, rpart, mx, m, mr;
-	uchar *q;
-
-	if(!rectinrect(r, i->r))
-		return -1;
-	l = bytesperline(r, i->depth);
-	if(ndata < l*Dy(r))
-		return -1;
-	ndata = l*Dy(r);
-	q = byteaddr(i, r.min);
-	mx = 7/i->depth;
-	lpart = (r.min.x & mx) * i->depth;
-	rpart = (r.max.x & mx) * i->depth;
-	m = 0xFF >> lpart;
-	/* may need to do bit insertion on edges */
-	if(l == 1){	/* all in one byte */
-		if(rpart)
-			m ^= 0xFF >> rpart;
-		for(y=r.min.y; y<r.max.y; y++){
-			*q ^= (*data^*q) & m;
-			q += i->width*sizeof(ulong);
-			data++;
-		}
-		return ndata;
-	}
-	if(lpart==0 && rpart==0){	/* easy case */
-		for(y=r.min.y; y<r.max.y; y++){
-			memmove(q, data, l);
-			q += i->width*sizeof(ulong);
-			data += l;
-		}
-		return ndata;
-	}
-	mr = 0xFF ^ (0xFF >> rpart);
-	if(lpart!=0 && rpart==0){
-		for(y=r.min.y; y<r.max.y; y++){
-			*q ^= (*data^*q) & m;
-			if(l > 1)
-				memmove(q+1, data+1, l-1);
-			q += i->width*sizeof(ulong);
-			data += l;
-		}
-		return ndata;
-	}
-	if(lpart==0 && rpart!=0){
-		for(y=r.min.y; y<r.max.y; y++){
-			if(l > 1)
-				memmove(q, data, l-1);
-			q[l-1] ^= (data[l-1]^q[l-1]) & mr;
-			q += i->width*sizeof(ulong);
-			data += l;
-		}
-		return ndata;
-	}
-	for(y=r.min.y; y<r.max.y; y++){
-		*q ^= (*data^*q) & m;
-		if(l > 2)
-			memmove(q+1, data+1, l-2);
-		q[l-1] ^= (data[l-1]^q[l-1]) & mr;
-		q += i->width*sizeof(ulong);
-		data += l;
-	}
-	return ndata;
-}