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							- (function (root, factory) {
 
-   if (typeof define === 'function' && define.amd) {
 
-     // AMD. Register as an anonymous module.
 
-     define(factory);
 
-   } else if (typeof exports === 'object') {
 
-     // Node. Does not work with strict CommonJS, but
 
-     // only CommonJS-like enviroments that support module.exports,
 
-     // like Node.
 
-     module.exports = factory();
 
-   } else {
 
-     // Browser globals (root is window)
 
-     root.Sparkline = factory();
 
-   }
 
- }(window, function () {
 
-   function extend(specific, general) {
 
-     var obj = {};
 
-     for (var key in general) {
 
-       obj[key] = key in specific ? specific[key] : general[key];
 
-     }
 
-     return obj;
 
-   }
 
-   function Sparkline(element, options) {
 
-     this.element = element;
 
-     this.options = extend(options || {}, Sparkline.options);
 
-     init: {
 
-       this.element.innerHTML = "<canvas></canvas>";
 
-       this.canvas = this.element.firstChild;
 
-       this.context = this.canvas.getContext("2d");
 
-       this.ratio = window.devicePixelRatio || 1;
 
-       if (this.options.tooltip) {
 
-         this.canvas.style.position = "relative";
 
-         this.canvas.onmousemove = showTooltip.bind(this);
 
-       }
 
-     }
 
-   }
 
-   Sparkline.options = {
 
-     width: 100,
 
-     height: null,
 
-     lineColor: "black",
 
-     lineWidth: 1.5,
 
-     startColor: "transparent",
 
-     endColor: "black",
 
-     maxColor: "transparent",
 
-     minColor: "transparent",
 
-     minValue: null,
 
-     maxValue: null,
 
-     minMaxValue: null,
 
-     maxMinValue: null,
 
-     dotRadius: 2.5,
 
-     tooltip: null,
 
-     fillBelow: true,
 
-     fillLighten: 0.5,
 
-     startLine: false,
 
-     endLine: false,
 
-     minLine: false,
 
-     maxLine: false,
 
-     bottomLine: false,
 
-     topLine: false,
 
-     averageLine: false
 
-   };
 
-   Sparkline.init = function (element, options) {
 
-     return new Sparkline(element, options);
 
-   };
 
-   Sparkline.draw = function (element, points, options) {
 
-     var sparkline = new Sparkline(element, options);
 
-     sparkline.draw(points);
 
-     return sparkline;
 
-   }
 
-   function getY(minValue, maxValue, offsetY, height, index) {
 
-     var range = maxValue - minValue;
 
-     if (range == 0) {
 
-       return offsetY + height / 2;
 
-     } else {
 
-       return (offsetY + height) - ((this[index] - minValue) / range) * height;
 
-     }
 
-   }
 
-   function drawDot(radius, x1, x2, color, line, x, y) {
 
-     this.context.beginPath();
 
-     this.context.fillStyle = color;
 
-     this.context.arc(x, y, radius, 0, Math.PI * 2, false);
 
-     this.context.fill();
 
-     drawLine.call(this, x1, x2, line, x, y);
 
-   }
 
-   function drawLine(x1, x2, style, x, y){
 
-     if(!style) return;
 
-     this.context.save();
 
-     this.context.strokeStyle = style.color || 'black';
 
-     this.context.lineWidth = (style.width || 1) * this.ratio;
 
-     this.context.globalAlpha = style.alpha || 1;
 
-     this.context.beginPath();
 
-     this.context.moveTo(style.direction != 'right' ? x1 : x, y);
 
-     this.context.lineTo(style.direction != 'left' ? x2 : x, y);
 
-     this.context.stroke();
 
-     this.context.restore();
 
-   }
 
-   function showTooltip(e) {
 
-     var x = e.offsetX || e.layerX || 0;
 
-     var delta = ((this.options.width - this.options.dotRadius * 2) / (this.points.length - 1));
 
-     var index = minmax(0, Math.round((x - this.options.dotRadius) / delta), this.points.length - 1);
 
-     this.canvas.title = this.options.tooltip(this.points[index], index, this.points);
 
-   }
 
-   Sparkline.prototype.draw = function (points) {
 
-     points = points || [];
 
-     this.points = points;
 
-     this.canvas.width = this.options.width * this.ratio;
 
-     this.canvas.style.width = this.options.width + 'px';
 
-     var pxHeight = this.options.height || this.element.offsetHeight;
 
-     this.canvas.height = pxHeight * this.ratio;
 
-     this.canvas.style.height = pxHeight + 'px';
 
-     var lineWidth = this.options.lineWidth * this.ratio;
 
-     var offsetX = Math.max(this.options.dotRadius * this.ratio, lineWidth/2);
 
-     var offsetY = Math.max(this.options.dotRadius * this.ratio, lineWidth/2);
 
-     var width = this.canvas.width - offsetX * 2;
 
-     var height = this.canvas.height - offsetY * 2;
 
-     var minValue = Math.min.apply(Math, points);
 
-     var maxValue = Math.max.apply(Math, points);
 
-     var bottomValue = this.options.minValue != undefined ? this.options.minValue : Math.min(minValue, this.options.maxMinValue != undefined ? this.options.maxMinValue : minValue);
 
-     var topValue = this.options.maxValue != undefined ? this.options.maxValue : Math.max(maxValue, this.options.minMaxValue != undefined ? this.options.minMaxValue : maxValue);
 
-     var minX = offsetX;
 
-     var maxX = offsetX;
 
-     var x = offsetX;
 
-     var y = getY.bind(points, bottomValue, topValue, offsetY, height);
 
-     var delta = width / (points.length - 1);
 
-     var dot = drawDot.bind(this, this.options.dotRadius * this.ratio, offsetX, width + offsetX);
 
-     var line = drawLine.bind(this, offsetX, width + offsetX);
 
-     this.context.save();
 
-     this.context.strokeStyle = this.options.lineColor;
 
-     this.context.fillStyle = this.options.lineColor;
 
-     this.context.lineWidth = lineWidth;
 
-     this.context.lineCap = 'round';
 
-     this.context.lineJoin = 'round';
 
-     if(this.options.fillBelow && points.length > 1){
 
-       this.context.save();
 
-       this.context.beginPath();
 
-       this.context.moveTo(x, y(0));
 
-       for (var i = 1; i < points.length; i++) {
 
-         x += delta;
 
-         minX = points[i] == minValue ? x : minX;
 
-         maxX = points[i] == maxValue ? x : maxX;
 
-         this.context.lineTo(x, y(i));
 
-       }
 
-       this.context.lineTo(width+offsetX, height + offsetY + lineWidth/2);
 
-       this.context.lineTo(offsetX, height + offsetY + lineWidth/2);
 
-       this.context.fill();
 
-       if(this.options.fillLighten > 0){
 
-         this.context.fillStyle = 'white';
 
-         this.context.globalAlpha = this.options.fillLighten;
 
-         this.context.fill();
 
-         this.context.globalAlpha = 1;
 
-       }else if(this.options.fillLighten < 0){
 
-         this.context.fillStyle = 'black';
 
-         this.context.globalAlpha = -this.options.fillLighten;
 
-         this.context.fill();
 
-       }
 
-       this.context.restore();
 
-     }
 
-     x = offsetX;
 
-     this.context.beginPath();
 
-     this.context.moveTo(x, y(0));
 
-     for (var i = 1; i < points.length; i++) {
 
-       x += delta;
 
-       this.context.lineTo(x, y(i));
 
-     }
 
-     this.context.stroke();
 
-     this.context.restore();
 
-     line(this.options.bottomLine, 0, offsetY);
 
-     line(this.options.topLine, 0, height + offsetY+lineWidth/2);
 
-     dot(this.options.startColor, this.options.startLine, offsetX + (points.length == 1 ? width / 2 : 0), y(0));
 
-     dot(this.options.endColor, this.options.endLine, offsetX + (points.length == 1 ? width / 2 : width), y(points.length-1));
 
-     dot(this.options.minColor, this.options.minLine, minX + (points.length == 1 ? width / 2 : 0), y(points.indexOf(minValue)));
 
-     dot(this.options.maxColor, this.options.maxLine, maxX + (points.length == 1 ? width / 2 : 0), y(points.indexOf(maxValue)));
 
-     //line(this.options.averageLine, )
 
-   }
 
-   function minmax(a, b, c) {
 
-     return Math.max(a, Math.min(b, c));
 
-   }
 
-   return Sparkline;
 
- }));
 
 
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