/**
* MapIconMaker v1.0
* Copyright (c) 2008 Pamela Fox
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. 
*
*
*  Author: Pamela Fox
*
*  This gives you static function(s) for creating dynamically sized and
*  colored marker icons using the Charts API marker output.
*/

var MapIconMaker = {};

MapIconMaker.createMarkerIcon = function(opts) {
    var width = opts.width || 32;
    var height = opts.height || 32;
    var primaryColor = opts.primaryColor || "#ff0000";
    var strokeColor = opts.strokeColor || "#000000";
    var cornerColor = opts.cornerColor || "#ffffff";

    var baseUrl = "http://chart.apis.google.com/chart?cht=mm";
    var iconUrl = baseUrl + "&chs=" + width + "x" + height +
      "&chco=" + cornerColor.replace("#", "") + "," + primaryColor.replace("#", "") + "," + strokeColor.replace("#", "") + "&ext=.png";
    var icon = new GIcon(G_DEFAULT_ICON);
    icon.image = iconUrl;
    icon.iconSize = new GSize(width, height);
    icon.shadowSize = new GSize(Math.floor(width * 1.6), height);
    icon.iconAnchor = new GPoint(width / 2, height);
    icon.infoWindowAnchor = new GPoint(width / 2, Math.floor(height / 12));
    icon.printImage = iconUrl + "&chof=gif";
    icon.mozPrintImage = iconUrl + "&chf=bg,s,ECECD8" + "&chof=gif";
    var iconUrl = baseUrl + "&chs=" + width + "x" + height +
      "&chco=" + cornerColor.replace("#", "") + "," + primaryColor.replace("#", "") + "," + strokeColor.replace("#", "");
    icon.transparent = iconUrl + "&chf=a,s,ffffff11&ext=.png";

    icon.imageMap = [
      width / 2, height,
      (7 / 16) * width, (5 / 8) * height,
      (5 / 16) * width, (7 / 16) * height,
      (7 / 32) * width, (5 / 16) * height,
      (5 / 16) * width, (1 / 8) * height,
      (1 / 2) * width, 0,
      (11 / 16) * width, (1 / 8) * height,
      (25 / 32) * width, (5 / 16) * height,
      (11 / 16) * width, (7 / 16) * height,
      (9 / 16) * width, (5 / 8) * height
  ];
    for (var i = 0; i < icon.imageMap.length; i++) {
        icon.imageMap[i] = parseInt(icon.imageMap[i]);
    }

    return icon;
}