From f2fcb5a95ca2d62eacb07f71adbf8de65061d686 Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Sat, 8 Oct 2011 12:21:51 -0400
Subject: [PATCH] Canvas renderer needs to return false from setExtent

---
 lib/OpenLayers/Renderer/Canvas.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/lib/OpenLayers/Renderer/Canvas.js b/lib/OpenLayers/Renderer/Canvas.js
index 97b9741b9b..707a4ab81c 100644
--- a/lib/OpenLayers/Renderer/Canvas.js
+++ b/lib/OpenLayers/Renderer/Canvas.js
@@ -70,6 +70,25 @@ OpenLayers.Renderer.Canvas = OpenLayers.Class(OpenLayers.Renderer, {
         }
     },
     
+    /**
+     * Method: setExtent
+     * Set the visible part of the layer.
+     *
+     * Parameters:
+     * extent - {<OpenLayers.Bounds>}
+     * resolutionChanged - {Boolean}
+     *
+     * Returns:
+     * {Boolean} true to notify the layer that the new extent does not exceed
+     *     the coordinate range, and the features will not need to be redrawn.
+     *     False otherwise.
+     */
+    setExtent: function() {
+        OpenLayers.Renderer.prototype.setExtent.apply(this, arguments);
+        // always redraw features
+        return false;
+    },
+    
     /** 
      * Method: eraseGeometry
      * Erase a geometry from the renderer. Because the Canvas renderer has