"Vector features won't draw in IE if features are very far outside the visible extent". r=elemoine (closes #1602)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@7546 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Renderer/VML.js

@@ -497,13 +497,30 @@ OpenLayers.Renderer.VML = OpenLayers.Class(OpenLayers.Renderer.Elements, {
     createRoot: function() {
         return this.nodeFactory(this.container.id + "_root", "olv:group");
     },
+    
+    /**
+     * Method: drawFeature
+     * Overrides the superclass's drawFeature method to take care of features
+     * that are outside the viewport.
+     *
+     * Parameters:
+     * feature - {<OpenLayers.Feature.Vector>} 
+     * style - {<Object>} 
+     */
+    drawFeature: function(feature, style) {
+        if (!feature.geometry.getBounds().intersectsBounds(this.extent)) {
+            style = {display: "none"};
+        }
+        OpenLayers.Renderer.Elements.prototype.drawFeature.apply(this,
+            [feature, style]);
+    },
 
     /**************************************
      *                                    *
      *     GEOMETRY DRAWING FUNCTIONS     *
      *                                    *
      **************************************/
-
+    
     /**
      * Method: drawPoint
      * Render a point