From c3f9b38c4ae583367c3762156340cf2f75d3e44b Mon Sep 17 00:00:00 2001
From: C. Scott Ananian <cscott@laptop.org>
Date: Wed, 10 Sep 2008 21:02:20 +0000
Subject: Trac #7656: don't draw arc when pen is up.

Patch by eMBee.  Thanks!
---
diff --git a/taturtle.py b/taturtle.py
index efee5cd..8fbd1e1 100755
--- a/taturtle.py
+++ b/taturtle.py
@@ -102,7 +102,8 @@ def rarc(t,a,r):
     cx = t.xcor+r*cos(t.heading*DEGTOR)
     cy = t.ycor-r*sin(t.heading*DEGTOR)
     x,y,w,h=t.width/2+int(cx-r),t.height/2-int(cy+r),int(2*r),int(2*r)
-    t.canvas.image.draw_arc(t.gc,False,x,y,w,h,int(180-t.heading-a)*64,int(a)*64)
+    if t.pendown:
+        t.canvas.image.draw_arc(t.gc,False,x,y,w,h,int(180-t.heading-a)*64,int(a)*64)
     invalt(t,x-t.pensize/2-3,y-t.pensize/2-3,w+t.pensize+6,h+t.pensize+6)
     right(t,a)
     t.xcor=cx-r*cos(t.heading*DEGTOR)
@@ -113,7 +114,8 @@ def larc(t,a,r):
     cx = t.xcor-r*cos(t.heading*DEGTOR)
     cy = t.ycor+r*sin(t.heading*DEGTOR)
     x,y,w,h=t.width/2+int(cx-r),t.height/2-int(cy+r),int(2*r),int(2*r)
-    t.canvas.image.draw_arc(t.gc,False,x,y,w,h,int(360-t.heading)*64,int(a)*64)
+    if t.pendown:
+        t.canvas.image.draw_arc(t.gc,False,x,y,w,h,int(360-t.heading)*64,int(a)*64)
     invalt(t,x-t.pensize/2-3,y-t.pensize/2-3,w+t.pensize+6,h+t.pensize+6)
     right(t,-a)
     t.xcor=cx+r*cos(t.heading*DEGTOR)
--
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