From 10e7761a9745279ded93c74e55c00a11a9ac529c Mon Sep 17 00:00:00 2001
From: euzuro <euzuro@metacarta.com>
Date: Tue, 3 Oct 2006 18:38:40 +0000
Subject: [PATCH] now we can specify opacity on createAlphaImageDiv(). added
 tests. updated usage.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@1544 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Tile/Image.js | 1 +
 lib/OpenLayers/Util.js       | 7 ++++---
 tests/test_Util.html         | 8 +++++---
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/lib/OpenLayers/Tile/Image.js b/lib/OpenLayers/Tile/Image.js
index 8d4f88dc1d..167abf6cfe 100644
--- a/lib/OpenLayers/Tile/Image.js
+++ b/lib/OpenLayers/Tile/Image.js
@@ -95,6 +95,7 @@ OpenLayers.Tile.Image.prototype =
                                                            "absolute",
                                                            null,
                                                            null,
+                                                           null,
                                                            true);
         } else {
             this.imgDiv = OpenLayers.Util.createImage(null,
diff --git a/lib/OpenLayers/Util.js b/lib/OpenLayers/Util.js
index 608146bd22..59138b11bc 100644
--- a/lib/OpenLayers/Util.js
+++ b/lib/OpenLayers/Util.js
@@ -223,7 +223,8 @@ OpenLayers.Util.modifyAlphaImageDiv = function(div, id, px, sz, imgURL,
 * @type DOMElement
 */ 
 OpenLayers.Util.createAlphaImageDiv = function(id, px, sz, imgURL, 
-                                               position, border, sizing, delayDisplay) {
+                                               position, border, sizing, 
+                                               opacity, delayDisplay) {
     
     var div = OpenLayers.Util.createDiv();
     var img = OpenLayers.Util.createImage(null, null, null, null, null, null, 
@@ -238,8 +239,8 @@ OpenLayers.Util.createAlphaImageDiv = function(id, px, sz, imgURL,
                       OpenLayers.Util.onImageLoadError.bindAsEventListener(div));
     }
 
-    OpenLayers.Util.modifyAlphaImageDiv(div, id, px, sz, imgURL, 
-                                        position, border, sizing);
+    OpenLayers.Util.modifyAlphaImageDiv(div, id, px, sz, imgURL, position, 
+                                        border, sizing, opacity);
     
     return div;
 };
diff --git a/tests/test_Util.html b/tests/test_Util.html
index d179a41c8c..252d6a90d4 100644
--- a/tests/test_Util.html
+++ b/tests/test_Util.html
@@ -178,7 +178,7 @@
     }
 
     function test_08_Util_createAlphaImageDiv(t) {
-        t.plan( 17 );
+        t.plan( 18 );
 
         var img = "http://www.openlayers.org/images/OpenLayers.trac.png";
         var sz = new OpenLayers.Size(10,10);
@@ -187,8 +187,9 @@
         var id = "boo";
         var border = "1px solid";
         var sizing = "crop";
+        var opacity = 0.5;
 
-        var imageDiv = OpenLayers.Util.createAlphaImageDiv(id, xy, sz, img, position, border, sizing);
+        var imageDiv = OpenLayers.Util.createAlphaImageDiv(id, xy, sz, img, position, border, sizing, opacity);
 
         if (!isMozilla)
             t.ok( true, "skipping element test outside of Mozilla");
@@ -203,6 +204,7 @@
         t.eq( imageDiv.style.height, sz.h + "px", "image.style.height set correctly");    
 
         t.eq( imageDiv.style.position, position, "image.style.positionset correctly");    
+        t.eq( imageDiv.style.opacity, opacity + "", "image.style.opacity set correctly");    
 
 
         image = imageDiv.firstChild;
@@ -307,7 +309,7 @@
         t.eq( imageDiv.style.height, sz.h + "px", "image.style.height set correctly");    
 
         t.eq( imageDiv.style.position, position, "image.style.position set correctly");    
-        t.eq( imageDiv.style.opacity, opacity, "image.style.opacity set correctly");    
+        t.eq( imageDiv.style.opacity, opacity + "", "image.style.opacity set correctly");    
 
 
         image = imageDiv.firstChild;