New SVG2 renderer for increased performance and smaller library size. Not enabled by default. To use, include 'SVG2' in the renderers array of your OpenLayers.Layer.Vector instance. r=crschmidt (closes #2802)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11616 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

examples/marker-shadow.html

@@ -33,6 +33,10 @@
         function init() {
             map = new OpenLayers.Map("map");
             
+            // allow testing of specific renderers via "?renderer=Canvas", etc
+            var renderer = OpenLayers.Util.getParameters(window.location.href).renderer;
+            renderer = (renderer) ? [renderer] : OpenLayers.Layer.Vector.prototype.renderers;
+
             layer = new OpenLayers.Layer.Vector(
                 "Marker Drop Shadows",
                 {
@@ -55,7 +59,8 @@
                         pointRadius: 10
                     }),
                     isBaseLayer: true,
-                    rendererOptions: {yOrdering: true}
+                    rendererOptions: {yOrdering: true},
+                    renderers: renderer
                 }
             );