From 2ae675132a52b8fdb3bd52e80db858500de9f265 Mon Sep 17 00:00:00 2001
From: jmoenig <jens@moenig.org>
Date: Mon, 6 Oct 2014 10:34:56 +0200
Subject: fixed #604. Thanks, @Gubolin!

---
 objects.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'objects.js')

diff --git a/objects.js b/objects.js
index 905b3d1..17450dd 100644
--- a/objects.js
+++ b/objects.js
@@ -125,7 +125,7 @@ PrototypeHatBlockMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.objects = '2014-October-01';
+modules.objects = '2014-October-06';
 
 var SpriteMorph;
 var StageMorph;
@@ -4378,8 +4378,12 @@ StageMorph.prototype.drawOn = function (aCanvas, aRect) {
         );
 
         // pen trails
-        ws = w / this.scale;
-        hs = h / this.scale;
+        ws = Math.floor(
+            Math.min(w / this.scale, this.image.width * this.scale)
+        );
+        hs = Math.floor(
+            Math.min(h / this.scale, this.image.height * this.scale)
+        );
         context.save();
         context.scale(this.scale, this.scale);
         context.drawImage(
-- 
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