/*!
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* jQVMap Version 1.0
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*
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* http://jqvmap.com
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*
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* Copyright 2012, Peter Schmalfeldt <manifestinteractive@gmail.com>
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* Copyright 2011-2012, Kirill Lebedev
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* Licensed under the MIT license.
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*
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* Fork Me @ https://github.com/manifestinteractive/jqvmap
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*/
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(function ($) {
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var apiParams = {
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colors: 1,
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values: 1,
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backgroundColor: 1,
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scaleColors: 1,
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normalizeFunction: 1,
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enableZoom: 1,
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showTooltip: 1,
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borderColor: 1,
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borderWidth: 1,
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borderOpacity: 1,
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selectedRegions: 1,
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multiSelectRegion: 1
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};
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var apiEvents = {
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onLabelShow: 'labelShow',
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onRegionOver: 'regionMouseOver',
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onRegionOut: 'regionMouseOut',
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onRegionClick: 'regionClick',
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onRegionSelect: 'regionSelect',
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onRegionDeselect: 'regionDeselect'
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};
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$.fn.vectorMap = function (options) {
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var defaultParams = {
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map: 'world_en',
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backgroundColor: '#a5bfdd',
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color: '#f4f3f0',
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hoverColor: '#c9dfaf',
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selectedColor: '#c9dfaf',
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scaleColors: ['#b6d6ff', '#005ace'],
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normalizeFunction: 'linear',
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enableZoom: true,
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showTooltip: true,
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borderColor: '#818181',
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borderWidth: 1,
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borderOpacity: 0.25,
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selectedRegions: null,
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multiSelectRegion: false
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}, map = this.data('mapObject');
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if (options === 'addMap') {
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WorldMap.maps[arguments[1]] = arguments[2];
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} else if (options === 'set' && apiParams[arguments[1]]) {
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map['set' + arguments[1].charAt(0).toUpperCase() + arguments[1].substr(1)].apply(map, Array.prototype.slice.call(arguments, 2));
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} else if (typeof options === 'string' &&
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typeof map[options] === 'function') {
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return map[options].apply(map, Array.prototype.slice.call(arguments, 1));
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} else {
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$.extend(defaultParams, options);
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defaultParams.container = this;
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this.css({ position: 'relative', overflow: 'hidden' });
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map = new WorldMap(defaultParams);
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this.data('mapObject', map);
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for (var e in apiEvents) {
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if (defaultParams[e]) {
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this.bind(apiEvents[e] + '.jqvmap', defaultParams[e]);
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}
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}
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}
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};
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var VectorCanvas = function (width, height, params) {
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this.mode = window.SVGAngle ? 'svg' : 'vml';
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this.params = params;
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if (this.mode == 'svg') {
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this.createSvgNode = function (nodeName) {
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return document.createElementNS(this.svgns, nodeName);
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};
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} else {
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try {
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if (!document.namespaces.rvml) {
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document.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
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}
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this.createVmlNode = function (tagName) {
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return document.createElement('<rvml:' + tagName + ' class="rvml">');
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};
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} catch (e) {
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this.createVmlNode = function (tagName) {
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return document.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
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};
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}
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document.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
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}
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if (this.mode == 'svg') {
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this.canvas = this.createSvgNode('svg');
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} else {
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this.canvas = this.createVmlNode('group');
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this.canvas.style.position = 'absolute';
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}
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this.setSize(width, height);
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};
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VectorCanvas.prototype = {
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svgns: "http://www.w3.org/2000/svg",
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mode: 'svg',
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width: 0,
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height: 0,
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canvas: null,
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setSize: function (width, height) {
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if (this.mode == 'svg') {
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this.canvas.setAttribute('width', width);
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this.canvas.setAttribute('height', height);
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} else {
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this.canvas.style.width = width + "px";
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this.canvas.style.height = height + "px";
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this.canvas.coordsize = width + ' ' + height;
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this.canvas.coordorigin = "0 0";
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if (this.rootGroup) {
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var pathes = this.rootGroup.getElementsByTagName('shape');
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for (var i = 0, l = pathes.length; i < l; i++) {
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pathes[i].coordsize = width + ' ' + height;
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pathes[i].style.width = width + 'px';
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pathes[i].style.height = height + 'px';
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}
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this.rootGroup.coordsize = width + ' ' + height;
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this.rootGroup.style.width = width + 'px';
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this.rootGroup.style.height = height + 'px';
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}
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}
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this.width = width;
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this.height = height;
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},
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createPath: function (config) {
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var node;
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if (this.mode == 'svg') {
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node = this.createSvgNode('path');
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node.setAttribute('d', config.path);
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if (this.params.borderColor !== null) {
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node.setAttribute('stroke', this.params.borderColor);
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}
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if (this.params.borderWidth > 0) {
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node.setAttribute('stroke-width', this.params.borderWidth);
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node.setAttribute('stroke-linecap', 'round');
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node.setAttribute('stroke-linejoin', 'round');
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}
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if (this.params.borderOpacity > 0) {
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node.setAttribute('stroke-opacity', this.params.borderOpacity);
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}
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node.setFill = function (color) {
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this.setAttribute("fill", color);
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if (this.getAttribute("original") === null) {
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this.setAttribute("original", color);
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}
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};
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node.getFill = function (color) {
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return this.getAttribute("fill");
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};
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node.getOriginalFill = function () {
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return this.getAttribute("original");
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};
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node.setOpacity = function (opacity) {
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this.setAttribute('fill-opacity', opacity);
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};
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} else {
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node = this.createVmlNode('shape');
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node.coordorigin = "0 0";
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node.coordsize = this.width + ' ' + this.height;
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node.style.width = this.width + 'px';
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node.style.height = this.height + 'px';
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node.fillcolor = WorldMap.defaultFillColor;
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node.stroked = false;
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node.path = VectorCanvas.pathSvgToVml(config.path);
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var scale = this.createVmlNode('skew');
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scale.on = true;
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scale.matrix = '0.01,0,0,0.01,0,0';
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scale.offset = '0,0';
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node.appendChild(scale);
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var fill = this.createVmlNode('fill');
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node.appendChild(fill);
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node.setFill = function (color) {
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this.getElementsByTagName('fill')[0].color = color;
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if (this.getAttribute("original") === null) {
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this.setAttribute("original", color);
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}
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};
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node.getFill = function (color) {
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return this.getElementsByTagName('fill')[0].color;
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};
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node.getOriginalFill = function () {
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return this.getAttribute("original");
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};
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node.setOpacity = function (opacity) {
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this.getElementsByTagName('fill')[0].opacity = parseInt(opacity * 100, 10) + '%';
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};
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}
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return node;
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},
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createGroup: function (isRoot) {
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var node;
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if (this.mode == 'svg') {
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node = this.createSvgNode('g');
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} else {
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node = this.createVmlNode('group');
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node.style.width = this.width + 'px';
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node.style.height = this.height + 'px';
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node.style.left = '0px';
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node.style.top = '0px';
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node.coordorigin = "0 0";
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node.coordsize = this.width + ' ' + this.height;
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}
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if (isRoot) {
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this.rootGroup = node;
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}
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return node;
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},
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applyTransformParams: function (scale, transX, transY) {
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if (this.mode == 'svg') {
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this.rootGroup.setAttribute('transform', 'scale(' + scale + ') translate(' + transX + ', ' + transY + ')');
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} else {
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this.rootGroup.coordorigin = (this.width - transX) + ',' + (this.height - transY);
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this.rootGroup.coordsize = this.width / scale + ',' + this.height / scale;
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}
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}
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};
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VectorCanvas.pathSvgToVml = function (path) {
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var result = '';
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var cx = 0, cy = 0, ctrlx, ctrly;
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return path.replace(/([MmLlHhVvCcSs])((?:-?(?:\d+)?(?:\.\d+)?,?\s?)+)/g, function (segment, letter, coords, index) {
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coords = coords.replace(/(\d)-/g, '$1,-').replace(/\s+/g, ',').split(',');
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if (!coords[0]) {
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coords.shift();
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}
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for (var i = 0, l = coords.length; i < l; i++) {
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coords[i] = Math.round(100 * coords[i]);
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}
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switch (letter) {
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case 'm':
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cx += coords[0];
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cy += coords[1];
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return 't' + coords.join(',');
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break;
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case 'M':
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cx = coords[0];
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cy = coords[1];
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return 'm' + coords.join(',');
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break;
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case 'l':
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cx += coords[0];
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cy += coords[1];
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return 'r' + coords.join(',');
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break;
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case 'L':
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cx = coords[0];
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cy = coords[1];
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return 'l' + coords.join(',');
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break;
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case 'h':
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cx += coords[0];
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return 'r' + coords[0] + ',0';
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break;
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case 'H':
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cx = coords[0];
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return 'l' + cx + ',' + cy;
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break;
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case 'v':
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cy += coords[0];
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return 'r0,' + coords[0];
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break;
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case 'V':
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cy = coords[0];
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return 'l' + cx + ',' + cy;
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break;
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case 'c':
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ctrlx = cx + coords[coords.length - 4];
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ctrly = cy + coords[coords.length - 3];
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cx += coords[coords.length - 2];
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cy += coords[coords.length - 1];
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return 'v' + coords.join(',');
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break;
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case 'C':
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ctrlx = coords[coords.length - 4];
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ctrly = coords[coords.length - 3];
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cx = coords[coords.length - 2];
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cy = coords[coords.length - 1];
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return 'c' + coords.join(',');
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break;
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case 's':
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coords.unshift(cy - ctrly);
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coords.unshift(cx - ctrlx);
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ctrlx = cx + coords[coords.length - 4];
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ctrly = cy + coords[coords.length - 3];
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cx += coords[coords.length - 2];
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cy += coords[coords.length - 1];
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return 'v' + coords.join(',');
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break;
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case 'S':
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coords.unshift(cy + cy - ctrly);
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coords.unshift(cx + cx - ctrlx);
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ctrlx = coords[coords.length - 4];
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ctrly = coords[coords.length - 3];
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cx = coords[coords.length - 2];
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cy = coords[coords.length - 1];
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return 'c' + coords.join(',');
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break;
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default:
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return false;
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break;
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}
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return '';
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}).replace(/z/g, '');
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};
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var WorldMap = function (params) {
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params = params || {};
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var map = this;
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var mapData = WorldMap.maps[params.map];
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this.selectedRegions = [];
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this.multiSelectRegion = params.multiSelectRegion;
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this.container = params.container;
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this.defaultWidth = mapData.width;
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this.defaultHeight = mapData.height;
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this.color = params.color;
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this.selectedColor = params.selectedColor;
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this.hoverColor = params.hoverColor;
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this.hoverOpacity = params.hoverOpacity;
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this.setBackgroundColor(params.backgroundColor);
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this.width = params.container.width();
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this.height = params.container.height();
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this.resize();
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jQuery(window).resize(function () {
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map.width = params.container.width();
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map.height = params.container.height();
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map.resize();
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map.canvas.setSize(map.width, map.height);
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map.applyTransform();
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});
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this.canvas = new VectorCanvas(this.width, this.height, params);
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params.container.append(this.canvas.canvas);
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this.makeDraggable();
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this.rootGroup = this.canvas.createGroup(true);
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this.index = WorldMap.mapIndex;
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this.label = jQuery('<div/>').addClass('jqvmap-label').appendTo(jQuery('body'));
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if (params.enableZoom) {
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jQuery('<div/>').addClass('jqvmap-zoomin').text('+').appendTo(params.container);
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jQuery('<div/>').addClass('jqvmap-zoomout').html('−').appendTo(params.container);
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}
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map.countries = [];
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for (var key in mapData.pathes) {
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var path = this.canvas.createPath({
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path: mapData.pathes[key].path
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});
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path.setFill(this.color);
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path.id = map.getCountryId(key);
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map.countries[key] = path;
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if (this.canvas.mode == 'svg') {
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path.setAttribute('class', 'jvectormap-region');
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} else {
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jQuery(path).addClass('jvectormap-region');
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}
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jQuery(this.rootGroup).append(path);
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}
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jQuery(params.container).delegate(this.canvas.mode == 'svg' ? 'path' : 'shape', 'mouseover mouseout', function (e) {
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var path = e.target,
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code = e.target.id.split('_').pop(),
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labelShowEvent = $.Event('labelShow.jqvmap'),
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regionMouseOverEvent = $.Event('regionMouseOver.jqvmap');
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if (e.type == 'mouseover') {
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jQuery(params.container).trigger(regionMouseOverEvent, [code, mapData.pathes[code].name]);
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if (!regionMouseOverEvent.isDefaultPrevented()) {
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map.highlight(code, path);
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}
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if (params.showTooltip) {
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map.label.text(mapData.pathes[code].name);
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jQuery(params.container).trigger(labelShowEvent, [map.label, code]);
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if (!labelShowEvent.isDefaultPrevented()) {
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map.label.show();
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map.labelWidth = map.label.width();
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map.labelHeight = map.label.height();
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}
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}
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} else {
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map.unhighlight(code, path);
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map.label.hide();
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jQuery(params.container).trigger('regionMouseOut.jqvmap', [code, mapData.pathes[code].name]);
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}
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});
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jQuery(params.container).delegate(this.canvas.mode == 'svg' ? 'path' : 'shape', 'click', function (e) {
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if (!params.multiSelectRegion) {
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for (var key in mapData.pathes) {
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map.countries[key].currentFillColor = map.countries[key].getOriginalFill();
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map.countries[key].setFill(map.countries[key].getOriginalFill());
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}
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}
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var path = e.target;
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var code = e.target.id.split('_').pop();
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jQuery(params.container).trigger('regionClick.jqvmap', [code, mapData.pathes[code].name]);
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if (map.selectedRegions.indexOf(code) !== -1) {
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map.deselect(code, path);
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} else {
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map.select(code, path);
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}
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//console.log(selectedRegions);
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});
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if (params.showTooltip) {
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params.container.mousemove(function (e) {
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if (map.label.is(':visible')) {
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map.label.css({
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left: e.pageX - 15 - map.labelWidth,
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top: e.pageY - 15 - map.labelHeight
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});
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}
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});
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}
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this.setColors(params.colors);
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this.canvas.canvas.appendChild(this.rootGroup);
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this.applyTransform();
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this.colorScale = new ColorScale(params.scaleColors, params.normalizeFunction, params.valueMin, params.valueMax);
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if (params.values) {
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this.values = params.values;
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this.setValues(params.values);
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}
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if (params.selectedRegions) {
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if (params.selectedRegions instanceof Array) {
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for(var k in params.selectedRegions) {
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this.select(params.selectedRegions[k].toLowerCase());
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}
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} else {
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this.select(params.selectedRegions.toLowerCase());
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}
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}
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this.bindZoomButtons();
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WorldMap.mapIndex++;
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};
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WorldMap.prototype = {
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transX: 0,
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transY: 0,
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scale: 1,
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baseTransX: 0,
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baseTransY: 0,
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baseScale: 1,
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width: 0,
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height: 0,
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countries: {},
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countriesColors: {},
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countriesData: {},
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zoomStep: 1.4,
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zoomMaxStep: 4,
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zoomCurStep: 1,
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setColors: function (key, color) {
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if (typeof key == 'string') {
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this.countries[key].setFill(color);
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this.countries[key].setAttribute("original", color);
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} else {
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var colors = key;
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for (var code in colors) {
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if (this.countries[code]) {
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this.countries[code].setFill(colors[code]);
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this.countries[code].setAttribute("original", colors[code]);
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}
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}
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}
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},
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setValues: function (values) {
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var max = 0,
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min = Number.MAX_VALUE,
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val;
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for (var cc in values) {
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val = parseFloat(values[cc]);
|
if (val > max) {
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max = values[cc];
|
}
|
if (val && val < min) {
|
min = val;
|
}
|
}
|
|
this.colorScale.setMin(min);
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this.colorScale.setMax(max);
|
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var colors = {};
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for (cc in values) {
|
val = parseFloat(values[cc]);
|
if (val) {
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colors[cc] = this.colorScale.getColor(val);
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} else {
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colors[cc] = this.color;
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}
|
}
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this.setColors(colors);
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this.values = values;
|
},
|
|
setBackgroundColor: function (backgroundColor) {
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this.container.css('background-color', backgroundColor);
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},
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setScaleColors: function (colors) {
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this.colorScale.setColors(colors);
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|
if (this.values) {
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this.setValues(this.values);
|
}
|
},
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|
setNormalizeFunction: function (f) {
|
this.colorScale.setNormalizeFunction(f);
|
|
if (this.values) {
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this.setValues(this.values);
|
}
|
},
|
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highlight: function (cc, path) {
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path = path || $('#' + this.getCountryId(cc))[0];
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if (this.hoverOpacity) {
|
path.setOpacity(this.hoverOpacity);
|
} else if (this.hoverColor) {
|
path.currentFillColor = path.getFill() + '';
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path.setFill(this.hoverColor);
|
}
|
},
|
|
unhighlight: function (cc, path) {
|
path = path || $('#' + this.getCountryId(cc))[0];
|
path.setOpacity(1);
|
if (path.currentFillColor) {
|
path.setFill(path.currentFillColor);
|
}
|
},
|
|
select: function (cc, path) {
|
path = path || $('#' + this.getCountryId(cc))[0];
|
if(this.selectedRegions.indexOf(cc) < 0) {
|
if (this.multiSelectRegion) {
|
this.selectedRegions.push(cc);
|
} else {
|
this.selectedRegions = [cc];
|
}
|
// MUST BE after the change of selectedRegions
|
// Otherwise, we might loop
|
$(this.container).trigger('regionSelect.jqvmap', [cc]);
|
if (this.selectedColor) {
|
path.currentFillColor = this.selectedColor;
|
path.setFill(this.selectedColor);
|
}
|
}
|
},
|
|
deselect: function (cc, path) {
|
path = path || $('#' + this.getCountryId(cc))[0];
|
if(this.selectedRegions.indexOf(cc) >= 0) {
|
this.selectedRegions.splice(this.selectedRegions.indexOf(cc), 1);
|
// MUST BE after the change of selectedRegions
|
// Otherwise, we might loop
|
$(this.container).trigger('regionDeselect.jqvmap', [cc]);
|
path.currentFillColor = path.getOriginalFill();
|
path.setFill(path.getOriginalFill());
|
}
|
},
|
|
isSelected: function(cc) {
|
return this.selectedRegions.indexOf(cc) >= 0;
|
},
|
|
resize: function () {
|
var curBaseScale = this.baseScale;
|
if (this.width / this.height > this.defaultWidth / this.defaultHeight) {
|
this.baseScale = this.height / this.defaultHeight;
|
this.baseTransX = Math.abs(this.width - this.defaultWidth * this.baseScale) / (2 * this.baseScale);
|
} else {
|
this.baseScale = this.width / this.defaultWidth;
|
this.baseTransY = Math.abs(this.height - this.defaultHeight * this.baseScale) / (2 * this.baseScale);
|
}
|
this.scale *= this.baseScale / curBaseScale;
|
this.transX *= this.baseScale / curBaseScale;
|
this.transY *= this.baseScale / curBaseScale;
|
},
|
|
reset: function () {
|
this.countryTitle.reset();
|
for (var key in this.countries) {
|
this.countries[key].setFill(WorldMap.defaultColor);
|
}
|
this.scale = this.baseScale;
|
this.transX = this.baseTransX;
|
this.transY = this.baseTransY;
|
this.applyTransform();
|
},
|
|
applyTransform: function () {
|
var maxTransX, maxTransY, minTransX, minTransY;
|
if (this.defaultWidth * this.scale <= this.width) {
|
maxTransX = (this.width - this.defaultWidth * this.scale) / (2 * this.scale);
|
minTransX = (this.width - this.defaultWidth * this.scale) / (2 * this.scale);
|
} else {
|
maxTransX = 0;
|
minTransX = (this.width - this.defaultWidth * this.scale) / this.scale;
|
}
|
|
if (this.defaultHeight * this.scale <= this.height) {
|
maxTransY = (this.height - this.defaultHeight * this.scale) / (2 * this.scale);
|
minTransY = (this.height - this.defaultHeight * this.scale) / (2 * this.scale);
|
} else {
|
maxTransY = 0;
|
minTransY = (this.height - this.defaultHeight * this.scale) / this.scale;
|
}
|
|
if (this.transY > maxTransY) {
|
this.transY = maxTransY;
|
}
|
else if (this.transY < minTransY) {
|
this.transY = minTransY;
|
}
|
if (this.transX > maxTransX) {
|
this.transX = maxTransX;
|
}
|
else if (this.transX < minTransX) {
|
this.transX = minTransX;
|
}
|
|
this.canvas.applyTransformParams(this.scale, this.transX, this.transY);
|
},
|
|
makeDraggable: function () {
|
var mouseDown = false;
|
var oldPageX, oldPageY;
|
var self = this;
|
|
self.isMoving = false;
|
self.isMovingTimeout = false;
|
|
this.container.mousemove(function (e) {
|
|
if (mouseDown) {
|
var curTransX = self.transX;
|
var curTransY = self.transY;
|
|
self.transX -= (oldPageX - e.pageX) / self.scale;
|
self.transY -= (oldPageY - e.pageY) / self.scale;
|
|
self.applyTransform();
|
|
oldPageX = e.pageX;
|
oldPageY = e.pageY;
|
|
self.isMoving = true;
|
if (self.isMovingTimeout) {
|
clearTimeout(self.isMovingTimeout);
|
}
|
}
|
|
return false;
|
|
}).mousedown(function (e) {
|
|
mouseDown = true;
|
oldPageX = e.pageX;
|
oldPageY = e.pageY;
|
|
return false;
|
|
}).mouseup(function () {
|
|
mouseDown = false;
|
|
self.isMovingTimeout = setTimeout(function () {
|
self.isMoving = false;
|
}, 100);
|
|
return false;
|
|
});
|
},
|
|
bindZoomButtons: function () {
|
var map = this;
|
var sliderDelta = (jQuery('#zoom').innerHeight() - 6 * 2 - 15 * 2 - 3 * 2 - 7 - 6) / (this.zoomMaxStep - this.zoomCurStep);
|
|
this.container.find('.jqvmap-zoomin').click(function () {
|
if (map.zoomCurStep < map.zoomMaxStep) {
|
var curTransX = map.transX;
|
var curTransY = map.transY;
|
var curScale = map.scale;
|
|
map.transX -= (map.width / map.scale - map.width / (map.scale * map.zoomStep)) / 2;
|
map.transY -= (map.height / map.scale - map.height / (map.scale * map.zoomStep)) / 2;
|
map.setScale(map.scale * map.zoomStep);
|
map.zoomCurStep++;
|
|
jQuery('#zoomSlider').css('top', parseInt(jQuery('#zoomSlider').css('top'), 10) - sliderDelta);
|
}
|
});
|
|
this.container.find('.jqvmap-zoomout').click(function () {
|
if (map.zoomCurStep > 1) {
|
var curTransX = map.transX;
|
var curTransY = map.transY;
|
var curScale = map.scale;
|
|
map.transX += (map.width / (map.scale / map.zoomStep) - map.width / map.scale) / 2;
|
map.transY += (map.height / (map.scale / map.zoomStep) - map.height / map.scale) / 2;
|
map.setScale(map.scale / map.zoomStep);
|
map.zoomCurStep--;
|
|
jQuery('#zoomSlider').css('top', parseInt(jQuery('#zoomSlider').css('top'), 10) + sliderDelta);
|
}
|
});
|
},
|
|
setScale: function (scale) {
|
this.scale = scale;
|
this.applyTransform();
|
},
|
|
getCountryId: function (cc) {
|
return 'jqvmap' + this.index + '_' + cc;
|
}
|
};
|
|
WorldMap.xlink = "http://www.w3.org/1999/xlink";
|
WorldMap.mapIndex = 1;
|
WorldMap.maps = {};
|
|
var ColorScale = function (colors, normalizeFunction, minValue, maxValue) {
|
if (colors) {
|
this.setColors(colors);
|
}
|
if (normalizeFunction) {
|
this.setNormalizeFunction(normalizeFunction);
|
}
|
if (minValue) {
|
this.setMin(minValue);
|
}
|
if (minValue) {
|
this.setMax(maxValue);
|
}
|
};
|
|
ColorScale.prototype = {
|
colors: [],
|
|
setMin: function (min) {
|
this.clearMinValue = min;
|
|
if (typeof this.normalize === 'function') {
|
this.minValue = this.normalize(min);
|
} else {
|
this.minValue = min;
|
}
|
},
|
|
setMax: function (max) {
|
this.clearMaxValue = max;
|
if (typeof this.normalize === 'function') {
|
this.maxValue = this.normalize(max);
|
} else {
|
this.maxValue = max;
|
}
|
},
|
|
setColors: function (colors) {
|
for (var i = 0; i < colors.length; i++) {
|
colors[i] = ColorScale.rgbToArray(colors[i]);
|
}
|
this.colors = colors;
|
},
|
|
setNormalizeFunction: function (f) {
|
if (f === 'polynomial') {
|
this.normalize = function (value) {
|
return Math.pow(value, 0.2);
|
};
|
}
|
else if (f === 'linear') {
|
delete this.normalize;
|
} else {
|
this.normalize = f;
|
}
|
this.setMin(this.clearMinValue);
|
this.setMax(this.clearMaxValue);
|
},
|
|
getColor: function (value) {
|
if (typeof this.normalize === 'function') {
|
value = this.normalize(value);
|
}
|
|
var lengthes = [];
|
var fullLength = 0;
|
var l;
|
|
for (var i = 0; i < this.colors.length - 1; i++) {
|
l = this.vectorLength(this.vectorSubtract(this.colors[i + 1], this.colors[i]));
|
lengthes.push(l);
|
fullLength += l;
|
}
|
|
var c = (this.maxValue - this.minValue) / fullLength;
|
|
for (i = 0; i < lengthes.length; i++) {
|
lengthes[i] *= c;
|
}
|
|
i = 0;
|
value -= this.minValue;
|
|
while (value - lengthes[i] >= 0) {
|
value -= lengthes[i];
|
i++;
|
}
|
|
var color;
|
if (i == this.colors.length - 1) {
|
color = this.vectorToNum(this.colors[i]).toString(16);
|
} else {
|
color = (this.vectorToNum(this.vectorAdd(this.colors[i], this.vectorMult(this.vectorSubtract(this.colors[i + 1], this.colors[i]), (value) / (lengthes[i]))))).toString(16);
|
}
|
|
while (color.length < 6) {
|
color = '0' + color;
|
}
|
return '#' + color;
|
},
|
|
vectorToNum: function (vector) {
|
var num = 0;
|
for (var i = 0; i < vector.length; i++) {
|
num += Math.round(vector[i]) * Math.pow(256, vector.length - i - 1);
|
}
|
return num;
|
},
|
|
vectorSubtract: function (vector1, vector2) {
|
var vector = [];
|
for (var i = 0; i < vector1.length; i++) {
|
vector[i] = vector1[i] - vector2[i];
|
}
|
return vector;
|
},
|
|
vectorAdd: function (vector1, vector2) {
|
var vector = [];
|
for (var i = 0; i < vector1.length; i++) {
|
vector[i] = vector1[i] + vector2[i];
|
}
|
return vector;
|
},
|
|
vectorMult: function (vector, num) {
|
var result = [];
|
for (var i = 0; i < vector.length; i++) {
|
result[i] = vector[i] * num;
|
}
|
return result;
|
},
|
|
vectorLength: function (vector) {
|
var result = 0;
|
for (var i = 0; i < vector.length; i++) {
|
result += vector[i] * vector[i];
|
}
|
return Math.sqrt(result);
|
}
|
};
|
|
ColorScale.arrayToRgb = function (ar) {
|
var rgb = '#';
|
var d;
|
for (var i = 0; i < ar.length; i++) {
|
d = ar[i].toString(16);
|
rgb += d.length == 1 ? '0' + d : d;
|
}
|
return rgb;
|
};
|
|
ColorScale.rgbToArray = function (rgb) {
|
rgb = rgb.substr(1);
|
return [parseInt(rgb.substr(0, 2), 16), parseInt(rgb.substr(2, 2), 16), parseInt(rgb.substr(4, 2), 16)];
|
};
|
|
})(jQuery);
|
