Changeset 5284

Timestamp:

11/27/07 05:17:54 (1 year ago)

Author:

fredj

Message:

Correctly check if the alpha hack needs to be applied to the layer's div by testing
if the alpha option is set and by calling Util.alphaHack().
Thanks elemoine for the review (Closes #1130)

Files:

• trunk/openlayers/lib/OpenLayers/Tile/Image.js (modified) (5 diffs)

trunk/openlayers/lib/OpenLayers/Tile/Image.js

@@ -37 +37 @@
-    frame: null, 
-
+    
+    /**
+     * Property: layerAlphaHack
+     * {Boolean} True if the png alpha hack needs to be applied on the layer's div.
+     */
+    layerAlphaHack: null,
+
-    /** TBD 3.0 - reorder the parameters to the init function to remove 
-     *             URL. the getUrl() function on the layer gets called on 
@@ -59 +66 @@
-        this.frame.style.overflow = 'hidden'; 
-        this.frame.style.position = 'absolute'; 
+
+        this.layerAlphaHack = this.layer.alpha && OpenLayers.Util.alphaHack();
-    },
-
@@ -116 +125 @@
-
-        var imageSize = this.layer.getImageSize(); 
-.alpha
+AlphaHack
-            OpenLayers.Util.modifyAlphaImageDiv(this.imgDiv,
-                    null, null, imageSize, this.url);
@@ -147 +156 @@
-        var size = this.layer.getImageSize(); 
-     
-.alpha
+AlphaHack
-            this.imgDiv = OpenLayers.Util.createAlphaImageDiv(null,
-                                                           offset,
@@ -231 +240 @@
-        // from the map, in which case this check is not needed.  
-        if (this.layer) {
-.alpha
+AlphaHack
-            if (!OpenLayers.Util.isEquivalentUrl(loaded, this.url)) {
-                this.imgDiv.style.display = "none";