openlayers madness

public/lib/OpenLayers/Tile/Image.js

@@ -0,0 +1,60 @@
+/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
+ * See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
+ * text of the license. */
+// @require: OpenLayers/Tile.js
+/**
+* @class
+*/
+OpenLayers.Tile.Image = Class.create();
+OpenLayers.Tile.Image.prototype = 
+  Object.extend( new OpenLayers.Tile(), {
+    
+    /** @type DOMElement img */
+    imgDiv:null,
+
+    /** 
+    * @constructor
+    *
+    * @param {OpenLayers.Grid} layer
+    * @param {OpenLayers.Pixel} position
+    * @param {OpenLayers.Bounds} bounds
+    * @param {String} url
+    * @param {OpenLayers.Size} size
+    */
+    initialize: function(layer, position, bounds, url, size) {
+        OpenLayers.Tile.prototype.initialize.apply(this, arguments);
+    },
+
+    destroy: function() {
+        if ((this.imgDiv != null) && (this.imgDiv.parentNode == this.layer.div)) {
+            this.layer.div.removeChild(this.imgDiv);
+        }
+        this.imgDiv = null;
+        OpenLayers.Tile.prototype.destroy.apply(this, arguments);
+    },
+
+    /**
+    */
+    draw:function(transparent) {
+        if (false) { // don't actually use the alpha PNG hack right now
+                     // it has a fiercely bad effect on IE6's performance
+            // if (transparent) {
+            this.imgDiv = OpenLayers.Util.createAlphaImageDiv(null,
+                                                           this.position,
+                                                           this.size,
+                                                           this.url,
+                                                           "absolute");
+        } else {
+            this.imgDiv = OpenLayers.Util.createImage(null,
+                                                      this.position,
+                                                      this.size,
+                                                      this.url,
+                                                      "absolute");
+        }
+        this.layer.div.appendChild(this.imgDiv);
+    },
+
+    /** @final @type String */
+    CLASS_NAME: "OpenLayers.Tile.Image"
+  }
+);