56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
/* Copyright (c) 2006-2012 by OpenLayers Contributors (see authors.txt for
|
|
* full list of contributors). Published under the 2-clause BSD license.
|
|
* See license.txt in the OpenLayers distribution or repository for the
|
|
* full text of the license. */
|
|
|
|
/**
|
|
* @requires OpenLayers/BaseTypes/Class.js
|
|
*/
|
|
|
|
/**
|
|
* Class: OpenLayers.Symbolizer
|
|
* Base class representing a symbolizer used for feature rendering.
|
|
*/
|
|
OpenLayers.Symbolizer = OpenLayers.Class({
|
|
|
|
|
|
/**
|
|
* APIProperty: zIndex
|
|
* {Number} The zIndex determines the rendering order for a symbolizer.
|
|
* Symbolizers with larger zIndex values are rendered over symbolizers
|
|
* with smaller zIndex values. Default is 0.
|
|
*/
|
|
zIndex: 0,
|
|
|
|
/**
|
|
* Constructor: OpenLayers.Symbolizer
|
|
* Instances of this class are not useful. See one of the subclasses.
|
|
*
|
|
* Parameters:
|
|
* config - {Object} An object containing properties to be set on the
|
|
* symbolizer. Any documented symbolizer property can be set at
|
|
* construction.
|
|
*
|
|
* Returns:
|
|
* A new symbolizer.
|
|
*/
|
|
initialize: function(config) {
|
|
OpenLayers.Util.extend(this, config);
|
|
},
|
|
|
|
/**
|
|
* APIMethod: clone
|
|
* Create a copy of this symbolizer.
|
|
*
|
|
* Returns a symbolizer of the same type with the same properties.
|
|
*/
|
|
clone: function() {
|
|
var Type = eval(this.CLASS_NAME);
|
|
return new Type(OpenLayers.Util.extend({}, this));
|
|
},
|
|
|
|
CLASS_NAME: "OpenLayers.Symbolizer"
|
|
|
|
});
|
|
|