From: Michael Jumper <zhangmaike@users.sourceforge.net>
Date: Wed, 15 Feb 2012 20:26:56 +0000 (-0800)
Subject: Layer should preserve composite operation through resize.
X-Git-Url: http://git.alex.org.uk

Layer should preserve composite operation through resize.
---

diff --git a/src/main/resources/layer.js b/src/main/resources/layer.js
index 8ec1633..a38ffe8 100644
--- a/src/main/resources/layer.js
+++ b/src/main/resources/layer.js
@@ -116,7 +116,6 @@ Guacamole.Layer = function(width, height) {
      */
     function resize(newWidth, newHeight) {
 
-
         // Only preserve old data if width/height are both non-zero
         var oldData = null;
         if (width != 0 && height != 0) {
@@ -135,6 +134,9 @@ Guacamole.Layer = function(width, height) {
 
         }
 
+        // Preserve composite operation
+        var oldCompositeOperation = displayContext.globalCompositeOperation;
+
         // Resize canvas
         display.width = newWidth;
         display.height = newHeight;
@@ -145,8 +147,12 @@ Guacamole.Layer = function(width, height) {
                     0, 0, width, height,
                     0, 0, width, height);
 
+        // Restore composite operation
+        displayContext.globalCompositeOperation = oldCompositeOperation;
+
         width = newWidth;
         height = newHeight;
+
     }
 
     /**