From 0971180cd6a425a3e837ea2582048b419a9a5bda Mon Sep 17 00:00:00 2001
From: Michael Jumper <zhangmaike@users.sourceforge.net>
Date: Tue, 13 Nov 2012 12:28:15 -0800
Subject: [PATCH] Make copy of canvas, rather than simply returning root layer.

---
 .../src/main/resources/guacamole.js              | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/guacamole-common-js/src/main/resources/guacamole.js b/guacamole-common-js/src/main/resources/guacamole.js
index dd97769ef..03d81340e 100644
--- a/guacamole-common-js/src/main/resources/guacamole.js
+++ b/guacamole-common-js/src/main/resources/guacamole.js
@@ -1172,9 +1172,21 @@ Guacamole.Client = function(tunnel) {
      * layers composited within.
      */
     this.flatten = function() {
+       
+        // Get source and destination canvases
+        var source = getLayer(0).getCanvas();
+        var canvas = document.createElement("canvas");
+
+        // Set dimensions
+        canvas.width = source.width;
+        canvas.height = source.height;
+
+        // Copy image from source
+        var context = canvas.getContext("2d");
+        context.drawImage(source, 0, 0);
         
-        // STUB: For now, just return canvas from root layer
-        return getLayer(0).getCanvas();
+        // Return new canvas copy
+        return canvas;
         
     };