Making dateline handling work with ratio.

lib/OpenLayers/Renderer.js

@@ -139,7 +139,9 @@ OpenLayers.Renderer = OpenLayers.Class({
     setExtent: function(extent, resolutionChanged) {
         this.extent = extent.clone();
         if (this.map.baseLayer && this.map.baseLayer.wrapDateLine) {
-            this.extent = extent.wrapDateLine(this.map.getMaxExtent());
+            var ratio = extent.getWidth() / this.map.getExtent().getWidth(),
+                extent = extent.scale(1 / ratio);
+            this.extent = extent.wrapDateLine(this.map.getMaxExtent()).scale(ratio);
         }
         if (resolutionChanged) {
             this.resolution = null;

lib/OpenLayers/Renderer/Elements.js

@@ -498,8 +498,9 @@ OpenLayers.Renderer.Elements = OpenLayers.Class(OpenLayers.Renderer, {
         var coordSysUnchanged = OpenLayers.Renderer.prototype.setExtent.apply(this, arguments);
         var resolution = this.getResolution();
         if (this.map.baseLayer && this.map.baseLayer.wrapDateLine) {
-            coordSysUnchanged = this.featureDx === 0;
             var rightOfDateLine,
+                ratio = extent.getWidth() / this.map.getExtent().getWidth(),
+                extent = extent.scale(1 / ratio),
                 world = this.map.getMaxExtent();
             if (world.right > extent.left && world.right < extent.right) {
                 rightOfDateLine = true;

tests/Renderer/Elements.html

@@ -614,6 +614,9 @@
             getMaxExtent: function() {
                 return new OpenLayers.Bounds(-180,-90,180,90);
             },
+            getExtent: function() {
+                return r.extent;
+            },
             getResolution: function() {
                 return resolution;
             },