Symbolizer.js
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/* Copyright (c) 2006-2011 by OpenLayers Contributors (see authors.txt for
* full list of contributors). Published under the Clear BSD license.
* See http://svn.openlayers.org/trunk/openlayers/license.txt 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"
});