From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001
From: Taru Karttunen <taruti@taruti.net>
Date: Wed, 30 Mar 2011 15:46:40 +0300
Subject: Import sources from 2011-03-30 iso image

---
 sys/src/libmemdraw/poly.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 sys/src/libmemdraw/poly.c

(limited to 'sys/src/libmemdraw/poly.c')

diff --git a/sys/src/libmemdraw/poly.c b/sys/src/libmemdraw/poly.c
new file mode 100755
index 000000000..572f1544c
--- /dev/null
+++ b/sys/src/libmemdraw/poly.c
@@ -0,0 +1,24 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <memdraw.h>
+#include <memlayer.h>
+
+void
+mempoly(Memimage *dst, Point *vert, int nvert, int end0, int end1, int radius, Memimage *src, Point sp, int op)
+{
+	int i, e0, e1;
+	Point d;
+
+	if(nvert < 2)
+		return;
+	d = subpt(sp, vert[0]);
+	for(i=1; i<nvert; i++){
+		e0 = e1 = Enddisc;
+		if(i == 1)
+			e0 = end0;
+		if(i == nvert-1)
+			e1 = end1;
+		memline(dst, vert[i-1], vert[i], e0, e1, radius, src, addpt(d, vert[i-1]), op);
+	}
+}
-- 
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