60 lines
2 KiB
JavaScript
60 lines
2 KiB
JavaScript
/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
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* text of the license. */
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// @require: OpenLayers/Tile.js
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/**
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* @class
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*/
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OpenLayers.Tile.Image = Class.create();
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OpenLayers.Tile.Image.prototype =
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Object.extend( new OpenLayers.Tile(), {
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/** @type DOMElement img */
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imgDiv:null,
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/**
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* @constructor
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*
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* @param {OpenLayers.Grid} layer
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* @param {OpenLayers.Pixel} position
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* @param {OpenLayers.Bounds} bounds
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* @param {String} url
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* @param {OpenLayers.Size} size
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*/
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initialize: function(layer, position, bounds, url, size) {
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OpenLayers.Tile.prototype.initialize.apply(this, arguments);
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},
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destroy: function() {
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if ((this.imgDiv != null) && (this.imgDiv.parentNode == this.layer.div)) {
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this.layer.div.removeChild(this.imgDiv);
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}
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this.imgDiv = null;
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OpenLayers.Tile.prototype.destroy.apply(this, arguments);
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},
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/**
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*/
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draw:function(transparent) {
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if (false) { // don't actually use the alpha PNG hack right now
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// it has a fiercely bad effect on IE6's performance
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// if (transparent) {
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this.imgDiv = OpenLayers.Util.createAlphaImageDiv(null,
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this.position,
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this.size,
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this.url,
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"absolute");
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} else {
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this.imgDiv = OpenLayers.Util.createImage(null,
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this.position,
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this.size,
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this.url,
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"absolute");
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}
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this.layer.div.appendChild(this.imgDiv);
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},
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/** @final @type String */
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CLASS_NAME: "OpenLayers.Tile.Image"
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}
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);
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