From 2086a1ad95c9510e38ee13482784686a3b7b8273 Mon Sep 17 00:00:00 2001
From: euzuro <euzuro@metacarta.com>
Date: Thu, 18 May 2006 05:04:06 +0000
Subject: [PATCH] add 'offset' member to OpenLayers.Icon - and then use it in
 OpenLayers.Marker

git-svn-id: http://svn.openlayers.org/trunk/openlayers@127 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Icon.js   | 13 ++++++++++++-
 lib/OpenLayers/Marker.js |  4 +---
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/lib/OpenLayers/Icon.js b/lib/OpenLayers/Icon.js
index ccf2f6b214..b6e661a84e 100644
--- a/lib/OpenLayers/Icon.js
+++ b/lib/OpenLayers/Icon.js
@@ -6,10 +6,21 @@ OpenLayers.Icon.prototype = {
     
     // {OpenLayers.Size}: size of image
     size:null,
+
+    /** distance in pixels to offset the image when being rendered
+    * @type OpenLayers.Pixel */
+    offset: null,    
     
-    initialize: function(url, size) {
+    initialize: function(url, size, offset) {
         this.size = size;
         this.url = url;
+
+        this.offset = offset;
+        if (offset == null) {
+            // default offset
+            this.offset = new OpenLayers.Pixel(size.w / 2, size.h);
+        }
+            
     },
 
     // Create a copy of this icon.
diff --git a/lib/OpenLayers/Marker.js b/lib/OpenLayers/Marker.js
index 84e09ccf2c..679767dbe2 100644
--- a/lib/OpenLayers/Marker.js
+++ b/lib/OpenLayers/Marker.js
@@ -38,9 +38,7 @@ OpenLayers.Marker.prototype = {
     generateMarker: function(pixel) {
         // Create a div here, and set the location to the pixel above modified
         // by the icon size.
-        var markerOffset = new OpenLayers.Pixel(this.icon.size.w / 2, 
-                                                this.icon.size.h);
-        var iconPosition = pixel.diff(markerOffset);
+        var iconPosition = pixel.diff(this.icon.offset);
         var markerObject = OpenLayers.Util.createImage(this.icon.url,
                                                        this.icon.size,
                                                        iconPosition);