From 88cc75c614d669bfc21a73db255d461adb620fb3 Mon Sep 17 00:00:00 2001 From: Jakub Juszczak Date: Fri, 23 Dec 2016 12:34:34 +0100 Subject: [PATCH] =?UTF-8?q?=F0=9F=92=8E=20Release=20new=20version=202.3.2?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- dist/vue-chartjs.js | 42138 +++++++++++++++++++++++++++++++++++++++++- package.json | 5 +- 2 files changed, 42123 insertions(+), 20 deletions(-) diff --git a/dist/vue-chartjs.js b/dist/vue-chartjs.js index 992c344..7705227 100644 --- a/dist/vue-chartjs.js +++ b/dist/vue-chartjs.js @@ -1,21 +1,42125 @@ -!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.VueChartJs=t():e.VueChartJs=t()}(this,function(){return function(e){function t(a){if(n[a])return n[a].exports;var r=n[a]={exports:{},id:a,loaded:!1};return e[a].call(r.exports,r,r.exports,t),r.loaded=!0,r.exports}var n={};return 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'' : el.style.display; + if (value && transition && !isIE9) { + vnode.data.show = true; + enter(vnode, function () { + el.style.display = originalDisplay; + }); + } else { + el.style.display = value ? originalDisplay : 'none'; + } + }, + update: function update (el, ref, vnode) { + var value = ref.value; + var oldValue = ref.oldValue; + + /* istanbul ignore if */ + if (value === oldValue) { return } + vnode = locateNode(vnode); + var transition = vnode.data && vnode.data.transition; + if (transition && !isIE9) { + vnode.data.show = true; + if (value) { + enter(vnode, function () { + el.style.display = el.__vOriginalDisplay; + }); + } else { + leave(vnode, function () { + el.style.display = 'none'; + }); + } + } else { + el.style.display = value ? el.__vOriginalDisplay : 'none'; + } + } + }; + + var platformDirectives = { + model: model, + show: show + }; + + /* */ + + // Provides transition support for a single element/component. + // supports transition mode (out-in / in-out) + + var transitionProps = { + name: String, + appear: Boolean, + css: Boolean, + mode: String, + type: String, + enterClass: String, + leaveClass: String, + enterActiveClass: String, + leaveActiveClass: String, + appearClass: String, + appearActiveClass: String + }; + + // in case the child is also an abstract component, e.g. + // we want to recursively retrieve the real component to be rendered + function getRealChild (vnode) { + var compOptions = vnode && vnode.componentOptions; + if (compOptions && compOptions.Ctor.options.abstract) { + return getRealChild(getFirstComponentChild(compOptions.children)) + } else { + return vnode + } + } + + function extractTransitionData (comp) { + var data = {}; + var options = comp.$options; + // props + for (var key in options.propsData) { + data[key] = comp[key]; + } + // events. + // extract listeners and pass them directly to the transition methods + var listeners = options._parentListeners; + for (var key$1 in listeners) { + data[camelize(key$1)] = listeners[key$1].fn; + } + return data + } + + function placeholder (h, rawChild) { + return /\d-keep-alive$/.test(rawChild.tag) + ? h('keep-alive') + : null + } + + function hasParentTransition (vnode) { + while ((vnode = vnode.parent)) { + if (vnode.data.transition) { + return true + } + } + } + + var Transition = { + name: 'transition', + props: transitionProps, + abstract: true, + render: function render (h) { + var this$1 = this; + + var children = this.$slots.default; + if (!children) { + return + } + + // filter out text nodes (possible whitespaces) + children = children.filter(function (c) { return c.tag; }); + /* istanbul ignore if */ + if (!children.length) { + return + } + + // warn multiple elements + if (process.env.NODE_ENV !== 'production' && children.length > 1) { + warn( + ' can only be used on a single element. Use ' + + ' for lists.', + this.$parent + ); + } + + var mode = this.mode; + + // warn invalid mode + if (process.env.NODE_ENV !== 'production' && + mode && mode !== 'in-out' && mode !== 'out-in') { + warn( + 'invalid mode: ' + mode, + this.$parent + ); + } + + var rawChild = children[0]; + + // if this is a component root node and the component's + // parent container node also has transition, skip. + if (hasParentTransition(this.$vnode)) { + return rawChild + } + + // apply transition data to child + // use getRealChild() to ignore abstract components e.g. keep-alive + var child = getRealChild(rawChild); + /* istanbul ignore if */ + if (!child) { + return rawChild + } + + if (this._leaving) { + return placeholder(h, rawChild) + } + + var key = child.key = child.key == null || child.isStatic + ? ("__v" + (child.tag + this._uid) + "__") + : child.key; + var data = (child.data || (child.data = {})).transition = extractTransitionData(this); + var oldRawChild = this._vnode; + var oldChild = getRealChild(oldRawChild); + + // mark v-show + // so that the transition module can hand over the control to the directive + if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) { + child.data.show = true; + } + + if (oldChild && oldChild.data && oldChild.key !== key) { + // replace old child transition data with fresh one + // important for dynamic transitions! + var oldData = oldChild.data.transition = extend({}, data); + + // handle transition mode + if (mode === 'out-in') { + // return placeholder node and queue update when leave finishes + this._leaving = true; + mergeVNodeHook(oldData, 'afterLeave', function () { + this$1._leaving = false; + this$1.$forceUpdate(); + }, key); + return placeholder(h, rawChild) + } else if (mode === 'in-out') { + var delayedLeave; + var performLeave = function () { delayedLeave(); }; + mergeVNodeHook(data, 'afterEnter', performLeave, key); + mergeVNodeHook(data, 'enterCancelled', performLeave, key); + mergeVNodeHook(oldData, 'delayLeave', function (leave) { + delayedLeave = leave; + }, key); + } + } + + return rawChild + } + }; + + /* */ + + // Provides transition support for list items. + // supports move transitions using the FLIP technique. + + // Because the vdom's children update algorithm is "unstable" - i.e. + // it doesn't guarantee the relative positioning of removed elements, + // we force transition-group to update its children into two passes: + // in the first pass, we remove all nodes that need to be removed, + // triggering their leaving transition; in the second pass, we insert/move + // into the final disired state. This way in the second pass removed + // nodes will remain where they should be. + + var props = extend({ + tag: String, + moveClass: String + }, transitionProps); + + delete props.mode; + + var TransitionGroup = { + props: props, + + render: function render (h) { + var tag = this.tag || this.$vnode.data.tag || 'span'; + var map = Object.create(null); + var prevChildren = this.prevChildren = this.children; + var rawChildren = this.$slots.default || []; + var children = this.children = []; + var transitionData = extractTransitionData(this); + + for (var i = 0; i < rawChildren.length; i++) { + var c = rawChildren[i]; + if (c.tag) { + if (c.key != null && String(c.key).indexOf('__vlist') !== 0) { + children.push(c); + map[c.key] = c + ;(c.data || (c.data = {})).transition = transitionData; + } else if (process.env.NODE_ENV !== 'production') { + var opts = c.componentOptions; + var name = opts + ? (opts.Ctor.options.name || opts.tag) + : c.tag; + warn((" children must be keyed: <" + name + ">")); + } + } + } + + if (prevChildren) { + var kept = []; + var removed = []; + for (var i$1 = 0; i$1 < prevChildren.length; i$1++) { + var c$1 = prevChildren[i$1]; + c$1.data.transition = transitionData; + c$1.data.pos = c$1.elm.getBoundingClientRect(); + if (map[c$1.key]) { + kept.push(c$1); + } else { + removed.push(c$1); + } + } + this.kept = h(tag, null, kept); + this.removed = removed; + } + + return h(tag, null, children) + }, + + beforeUpdate: function beforeUpdate () { + // force removing pass + this.__patch__( + this._vnode, + this.kept, + false, // hydrating + true // removeOnly (!important, avoids unnecessary moves) + ); + this._vnode = this.kept; + }, + + updated: function updated () { + var children = this.prevChildren; + var moveClass = this.moveClass || ((this.name || 'v') + '-move'); + if (!children.length || !this.hasMove(children[0].elm, moveClass)) { + return + } + + // we divide the work into three loops to avoid mixing DOM reads and writes + // in each iteration - which helps prevent layout thrashing. + children.forEach(callPendingCbs); + children.forEach(recordPosition); + children.forEach(applyTranslation); + + // force reflow to put everything in position + var f = document.body.offsetHeight; // eslint-disable-line + + children.forEach(function (c) { + if (c.data.moved) { + var el = c.elm; + var s = el.style; + addTransitionClass(el, moveClass); + s.transform = s.WebkitTransform = s.transitionDuration = ''; + el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) { + if (!e || /transform$/.test(e.propertyName)) { + el.removeEventListener(transitionEndEvent, cb); + el._moveCb = null; + removeTransitionClass(el, moveClass); + } + }); + } + }); + }, + + methods: { + hasMove: function hasMove (el, moveClass) { + /* istanbul ignore if */ + if (!hasTransition) { + return false + } + if (this._hasMove != null) { + return this._hasMove + } + addTransitionClass(el, moveClass); + var info = getTransitionInfo(el); + removeTransitionClass(el, moveClass); + return (this._hasMove = info.hasTransform) + } + } + }; + + function callPendingCbs (c) { + /* istanbul ignore if */ + if (c.elm._moveCb) { + c.elm._moveCb(); + } + /* istanbul ignore if */ + if (c.elm._enterCb) { + c.elm._enterCb(); + } + } + + function recordPosition (c) { + c.data.newPos = c.elm.getBoundingClientRect(); + } + + function applyTranslation (c) { + var oldPos = c.data.pos; + var newPos = c.data.newPos; + var dx = oldPos.left - newPos.left; + var dy = oldPos.top - newPos.top; + if (dx || dy) { + c.data.moved = true; + var s = c.elm.style; + s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)"; + s.transitionDuration = '0s'; + } + } + + var platformComponents = { + Transition: Transition, + TransitionGroup: TransitionGroup + }; + + /* */ + + // install platform specific utils + Vue$2.config.isUnknownElement = isUnknownElement; + Vue$2.config.isReservedTag = isReservedTag; + Vue$2.config.getTagNamespace = getTagNamespace; + Vue$2.config.mustUseProp = mustUseProp; + + // install platform runtime directives & components + extend(Vue$2.options.directives, platformDirectives); + extend(Vue$2.options.components, platformComponents); + + // install platform patch function + Vue$2.prototype.__patch__ = inBrowser ? patch$1 : noop; + + // wrap mount + Vue$2.prototype.$mount = function ( + el, + hydrating + ) { + el = el && inBrowser ? query(el) : undefined; + return this._mount(el, hydrating) + }; + + // devtools global hook + /* istanbul ignore next */ + setTimeout(function () { + if (config.devtools) { + if (devtools) { + devtools.emit('init', Vue$2); + } else if ( + process.env.NODE_ENV !== 'production' && + inBrowser && !isEdge && /Chrome\/\d+/.test(window.navigator.userAgent) + ) { + console.log( + 'Download the Vue Devtools for a better development experience:\n' + + 'https://github.com/vuejs/vue-devtools' + ); + } + } + }, 0); + + module.exports = Vue$2; + + /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(3), (function() { return this; }()))) + +/***/ }, +/* 3 */ +/***/ function(module, exports) { + + // shim for using process in browser + var process = module.exports = {}; + + // cached from whatever global is present so that test runners that stub it + // don't break things. But we need to wrap it in a try catch in case it is + // wrapped in strict mode code which doesn't define any globals. It's inside a + // function because try/catches deoptimize in certain engines. + + var cachedSetTimeout; + var cachedClearTimeout; + + function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); + } + function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); + } + (function () { + try { + if (typeof setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } else { + cachedSetTimeout = defaultSetTimout; + } + } catch (e) { + cachedSetTimeout = defaultSetTimout; + } + try { + if (typeof clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } else { + cachedClearTimeout = defaultClearTimeout; + } + } catch (e) { + cachedClearTimeout = defaultClearTimeout; + } + } ()) + function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + + } + function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + + } + var queue = []; + var draining = false; + var currentQueue; + var queueIndex = -1; + + function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } + } + + function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); + } + + process.nextTick = function (fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } + }; + + // v8 likes predictible objects + function Item(fun, array) { + this.fun = fun; + this.array = array; + } + Item.prototype.run = function () { + this.fun.apply(null, this.array); + }; + process.title = 'browser'; + process.browser = true; + process.env = {}; + process.argv = []; + process.version = ''; // empty string to avoid regexp issues + process.versions = {}; + + function noop() {} + + process.on = noop; + process.addListener = noop; + process.once = noop; + process.off = noop; + process.removeListener = noop; + process.removeAllListeners = noop; + process.emit = noop; + + process.binding = function (name) { + throw new Error('process.binding is not supported'); + }; + + process.cwd = function () { return '/' }; + process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); + }; + process.umask = function() { return 0; }; + + +/***/ }, +/* 4 */ +/***/ function(module, exports, __webpack_require__) { + + /** + * @namespace Chart + */ + var Chart = __webpack_require__(5)(); + + __webpack_require__(6)(Chart); + __webpack_require__(12)(Chart); + __webpack_require__(13)(Chart); + __webpack_require__(14)(Chart); + __webpack_require__(15)(Chart); + __webpack_require__(16)(Chart); + __webpack_require__(17)(Chart); + __webpack_require__(18)(Chart); + __webpack_require__(19)(Chart); + __webpack_require__(20)(Chart); + __webpack_require__(21)(Chart); + __webpack_require__(22)(Chart); + __webpack_require__(23)(Chart); + __webpack_require__(24)(Chart); + __webpack_require__(25)(Chart); + + __webpack_require__(26)(Chart); + __webpack_require__(27)(Chart); + __webpack_require__(28)(Chart); + __webpack_require__(29)(Chart); + + __webpack_require__(30)(Chart); + __webpack_require__(31)(Chart); + __webpack_require__(32)(Chart); + __webpack_require__(33)(Chart); + __webpack_require__(34)(Chart); + __webpack_require__(35)(Chart); + + // Controllers must be loaded after elements + // See Chart.core.datasetController.dataElementType + __webpack_require__(147)(Chart); + __webpack_require__(148)(Chart); + __webpack_require__(149)(Chart); + __webpack_require__(150)(Chart); + __webpack_require__(151)(Chart); + __webpack_require__(152)(Chart); + + __webpack_require__(153)(Chart); + __webpack_require__(154)(Chart); + __webpack_require__(155)(Chart); + __webpack_require__(156)(Chart); + __webpack_require__(157)(Chart); + __webpack_require__(158)(Chart); + __webpack_require__(159)(Chart); + + window.Chart = module.exports = Chart; + + +/***/ }, +/* 5 */ +/***/ function(module, exports) { + + 'use strict'; + + module.exports = function() { + + // Occupy the global variable of Chart, and create a simple base class + var Chart = function(item, config) { + this.controller = new Chart.Controller(item, config, this); + return this.controller; + }; + + // Globally expose the defaults to allow for user updating/changing + Chart.defaults = { + global: { + responsive: true, + responsiveAnimationDuration: 0, + maintainAspectRatio: true, + events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'], + hover: { + onHover: null, + mode: 'nearest', + intersect: true, + animationDuration: 400 + }, + onClick: null, + defaultColor: 'rgba(0,0,0,0.1)', + defaultFontColor: '#666', + defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + defaultFontSize: 12, + defaultFontStyle: 'normal', + showLines: true, + + // Element defaults defined in element extensions + elements: {}, + + // Legend callback string + legendCallback: function(chart) { + var text = []; + text.push('
    '); + for (var i = 0; i < chart.data.datasets.length; i++) { + text.push('
  • '); + if (chart.data.datasets[i].label) { + text.push(chart.data.datasets[i].label); + } + text.push('
    • '); + } + text.push('
'); + + return text.join(''); + } + } + }; + + Chart.Chart = Chart; + + return Chart; + }; + + +/***/ }, +/* 6 */ +/***/ function(module, exports, __webpack_require__) { + + /* global window: false */ + /* global document: false */ + 'use strict'; + + var color = __webpack_require__(7); + + module.exports = function(Chart) { + // Global Chart helpers object for utility methods and classes + var helpers = Chart.helpers = {}; + + // -- Basic js utility methods + helpers.each = function(loopable, callback, self, reverse) { + // Check to see if null or undefined firstly. + var i, len; + if (helpers.isArray(loopable)) { + len = loopable.length; + if (reverse) { + for (i = len - 1; i >= 0; i--) { + callback.call(self, loopable[i], i); + } + } else { + for (i = 0; i < len; i++) { + callback.call(self, loopable[i], i); + } + } + } else if (typeof loopable === 'object') { + var keys = Object.keys(loopable); + len = keys.length; + for (i = 0; i < len; i++) { + callback.call(self, loopable[keys[i]], keys[i]); + } + } + }; + helpers.clone = function(obj) { + var objClone = {}; + helpers.each(obj, function(value, key) { + if (helpers.isArray(value)) { + objClone[key] = value.slice(0); + } else if (typeof value === 'object' && value !== null) { + objClone[key] = helpers.clone(value); + } else { + objClone[key] = value; + } + }); + return objClone; + }; + helpers.extend = function(base) { + var setFn = function(value, key) { + base[key] = value; + }; + for (var i = 1, ilen = arguments.length; i < ilen; i++) { + helpers.each(arguments[i], setFn); + } + return base; + }; + // Need a special merge function to chart configs since they are now grouped + helpers.configMerge = function(_base) { + var base = helpers.clone(_base); + helpers.each(Array.prototype.slice.call(arguments, 1), function(extension) { + helpers.each(extension, function(value, key) { + var baseHasProperty = base.hasOwnProperty(key); + var baseVal = baseHasProperty ? base[key] : {}; + + if (key === 'scales') { + // Scale config merging is complex. Add our own function here for that + base[key] = helpers.scaleMerge(baseVal, value); + } else if (key === 'scale') { + // Used in polar area & radar charts since there is only one scale + base[key] = helpers.configMerge(baseVal, Chart.scaleService.getScaleDefaults(value.type), value); + } else if (baseHasProperty + && typeof baseVal === 'object' + && !helpers.isArray(baseVal) + && baseVal !== null + && typeof value === 'object' + && !helpers.isArray(value)) { + // If we are overwriting an object with an object, do a merge of the properties. + base[key] = helpers.configMerge(baseVal, value); + } else { + // can just overwrite the value in this case + base[key] = value; + } + }); + }); + + return base; + }; + helpers.scaleMerge = function(_base, extension) { + var base = helpers.clone(_base); + + helpers.each(extension, function(value, key) { + if (key === 'xAxes' || key === 'yAxes') { + // These properties are arrays of items + if (base.hasOwnProperty(key)) { + helpers.each(value, function(valueObj, index) { + var axisType = helpers.getValueOrDefault(valueObj.type, key === 'xAxes' ? 'category' : 'linear'); + var axisDefaults = Chart.scaleService.getScaleDefaults(axisType); + if (index >= base[key].length || !base[key][index].type) { + base[key].push(helpers.configMerge(axisDefaults, valueObj)); + } else if (valueObj.type && valueObj.type !== base[key][index].type) { + // Type changed. Bring in the new defaults before we bring in valueObj so that valueObj can override the correct scale defaults + base[key][index] = helpers.configMerge(base[key][index], axisDefaults, valueObj); + } else { + // Type is the same + base[key][index] = helpers.configMerge(base[key][index], valueObj); + } + }); + } else { + base[key] = []; + helpers.each(value, function(valueObj) { + var axisType = helpers.getValueOrDefault(valueObj.type, key === 'xAxes' ? 'category' : 'linear'); + base[key].push(helpers.configMerge(Chart.scaleService.getScaleDefaults(axisType), valueObj)); + }); + } + } else if (base.hasOwnProperty(key) && typeof base[key] === 'object' && base[key] !== null && typeof value === 'object') { + // If we are overwriting an object with an object, do a merge of the properties. + base[key] = helpers.configMerge(base[key], value); + + } else { + // can just overwrite the value in this case + base[key] = value; + } + }); + + return base; + }; + helpers.getValueAtIndexOrDefault = function(value, index, defaultValue) { + if (value === undefined || value === null) { + return defaultValue; + } + + if (helpers.isArray(value)) { + return index < value.length ? value[index] : defaultValue; + } + + return value; + }; + helpers.getValueOrDefault = function(value, defaultValue) { + return value === undefined ? defaultValue : value; + }; + helpers.indexOf = Array.prototype.indexOf? + function(array, item) { + return array.indexOf(item); + }: + function(array, item) { + for (var i = 0, ilen = array.length; i < ilen; ++i) { + if (array[i] === item) { + return i; + } + } + return -1; + }; + helpers.where = function(collection, filterCallback) { + if (helpers.isArray(collection) && Array.prototype.filter) { + return collection.filter(filterCallback); + } + var filtered = []; + + helpers.each(collection, function(item) { + if (filterCallback(item)) { + filtered.push(item); + } + }); + + return filtered; + }; + helpers.findIndex = Array.prototype.findIndex? + function(array, callback, scope) { + return array.findIndex(callback, scope); + } : + function(array, callback, scope) { + scope = scope === undefined? array : scope; + for (var i = 0, ilen = array.length; i < ilen; ++i) { + if (callback.call(scope, array[i], i, array)) { + return i; + } + } + return -1; + }; + helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) { + // Default to start of the array + if (startIndex === undefined || startIndex === null) { + startIndex = -1; + } + for (var i = startIndex + 1; i < arrayToSearch.length; i++) { + var currentItem = arrayToSearch[i]; + if (filterCallback(currentItem)) { + return currentItem; + } + } + }; + helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) { + // Default to end of the array + if (startIndex === undefined || startIndex === null) { + startIndex = arrayToSearch.length; + } + for (var i = startIndex - 1; i >= 0; i--) { + var currentItem = arrayToSearch[i]; + if (filterCallback(currentItem)) { + return currentItem; + } + } + }; + helpers.inherits = function(extensions) { + // Basic javascript inheritance based on the model created in Backbone.js + var me = this; + var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { + return me.apply(this, arguments); + }; + + var Surrogate = function() { + this.constructor = ChartElement; + }; + Surrogate.prototype = me.prototype; + ChartElement.prototype = new Surrogate(); + + ChartElement.extend = helpers.inherits; + + if (extensions) { + helpers.extend(ChartElement.prototype, extensions); + } + + ChartElement.__super__ = me.prototype; + + return ChartElement; + }; + helpers.noop = function() {}; + helpers.uid = (function() { + var id = 0; + return function() { + return id++; + }; + }()); + // -- Math methods + helpers.isNumber = function(n) { + return !isNaN(parseFloat(n)) && isFinite(n); + }; + helpers.almostEquals = function(x, y, epsilon) { + return Math.abs(x - y) < epsilon; + }; + helpers.max = function(array) { + return array.reduce(function(max, value) { + if (!isNaN(value)) { + return Math.max(max, value); + } + return max; + }, Number.NEGATIVE_INFINITY); + }; + helpers.min = function(array) { + return array.reduce(function(min, value) { + if (!isNaN(value)) { + return Math.min(min, value); + } + return min; + }, Number.POSITIVE_INFINITY); + }; + helpers.sign = Math.sign? + function(x) { + return Math.sign(x); + } : + function(x) { + x = +x; // convert to a number + if (x === 0 || isNaN(x)) { + return x; + } + return x > 0 ? 1 : -1; + }; + helpers.log10 = Math.log10? + function(x) { + return Math.log10(x); + } : + function(x) { + return Math.log(x) / Math.LN10; + }; + helpers.toRadians = function(degrees) { + return degrees * (Math.PI / 180); + }; + helpers.toDegrees = function(radians) { + return radians * (180 / Math.PI); + }; + // Gets the angle from vertical upright to the point about a centre. + helpers.getAngleFromPoint = function(centrePoint, anglePoint) { + var distanceFromXCenter = anglePoint.x - centrePoint.x, + distanceFromYCenter = anglePoint.y - centrePoint.y, + radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); + + var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); + + if (angle < (-0.5 * Math.PI)) { + angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] + } + + return { + angle: angle, + distance: radialDistanceFromCenter + }; + }; + helpers.distanceBetweenPoints = function(pt1, pt2) { + return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); + }; + helpers.aliasPixel = function(pixelWidth) { + return (pixelWidth % 2 === 0) ? 0 : 0.5; + }; + helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { + // Props to Rob Spencer at scaled innovation for his post on splining between points + // http://scaledinnovation.com/analytics/splines/aboutSplines.html + + // This function must also respect "skipped" points + + var previous = firstPoint.skip ? middlePoint : firstPoint, + current = middlePoint, + next = afterPoint.skip ? middlePoint : afterPoint; + + var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); + var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); + + var s01 = d01 / (d01 + d12); + var s12 = d12 / (d01 + d12); + + // If all points are the same, s01 & s02 will be inf + s01 = isNaN(s01) ? 0 : s01; + s12 = isNaN(s12) ? 0 : s12; + + var fa = t * s01; // scaling factor for triangle Ta + var fb = t * s12; + + return { + previous: { + x: current.x - fa * (next.x - previous.x), + y: current.y - fa * (next.y - previous.y) + }, + next: { + x: current.x + fb * (next.x - previous.x), + y: current.y + fb * (next.y - previous.y) + } + }; + }; + helpers.EPSILON = Number.EPSILON || 1e-14; + helpers.splineCurveMonotone = function(points) { + // This function calculates Bézier control points in a similar way than |splineCurve|, + // but preserves monotonicity of the provided data and ensures no local extremums are added + // between the dataset discrete points due to the interpolation. + // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation + + var pointsWithTangents = (points || []).map(function(point) { + return { + model: point._model, + deltaK: 0, + mK: 0 + }; + }); + + // Calculate slopes (deltaK) and initialize tangents (mK) + var pointsLen = pointsWithTangents.length; + var i, pointBefore, pointCurrent, pointAfter; + for (i = 0; i < pointsLen; ++i) { + pointCurrent = pointsWithTangents[i]; + if (pointCurrent.model.skip) { + continue; + } + + pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; + pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; + if (pointAfter && !pointAfter.model.skip) { + pointCurrent.deltaK = (pointAfter.model.y - pointCurrent.model.y) / (pointAfter.model.x - pointCurrent.model.x); + } + + if (!pointBefore || pointBefore.model.skip) { + pointCurrent.mK = pointCurrent.deltaK; + } else if (!pointAfter || pointAfter.model.skip) { + pointCurrent.mK = pointBefore.deltaK; + } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { + pointCurrent.mK = 0; + } else { + pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; + } + } + + // Adjust tangents to ensure monotonic properties + var alphaK, betaK, tauK, squaredMagnitude; + for (i = 0; i < pointsLen - 1; ++i) { + pointCurrent = pointsWithTangents[i]; + pointAfter = pointsWithTangents[i + 1]; + if (pointCurrent.model.skip || pointAfter.model.skip) { + continue; + } + + if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { + pointCurrent.mK = pointAfter.mK = 0; + continue; + } + + alphaK = pointCurrent.mK / pointCurrent.deltaK; + betaK = pointAfter.mK / pointCurrent.deltaK; + squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); + if (squaredMagnitude <= 9) { + continue; + } + + tauK = 3 / Math.sqrt(squaredMagnitude); + pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; + pointAfter.mK = betaK * tauK * pointCurrent.deltaK; + } + + // Compute control points + var deltaX; + for (i = 0; i < pointsLen; ++i) { + pointCurrent = pointsWithTangents[i]; + if (pointCurrent.model.skip) { + continue; + } + + pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; + pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; + if (pointBefore && !pointBefore.model.skip) { + deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; + pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; + pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; + } + if (pointAfter && !pointAfter.model.skip) { + deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; + pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; + pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; + } + } + }; + helpers.nextItem = function(collection, index, loop) { + if (loop) { + return index >= collection.length - 1 ? collection[0] : collection[index + 1]; + } + return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; + }; + helpers.previousItem = function(collection, index, loop) { + if (loop) { + return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; + } + return index <= 0 ? collection[0] : collection[index - 1]; + }; + // Implementation of the nice number algorithm used in determining where axis labels will go + helpers.niceNum = function(range, round) { + var exponent = Math.floor(helpers.log10(range)); + var fraction = range / Math.pow(10, exponent); + var niceFraction; + + if (round) { + if (fraction < 1.5) { + niceFraction = 1; + } else if (fraction < 3) { + niceFraction = 2; + } else if (fraction < 7) { + niceFraction = 5; + } else { + niceFraction = 10; + } + } else if (fraction <= 1.0) { + niceFraction = 1; + } else if (fraction <= 2) { + niceFraction = 2; + } else if (fraction <= 5) { + niceFraction = 5; + } else { + niceFraction = 10; + } + + return niceFraction * Math.pow(10, exponent); + }; + // Easing functions adapted from Robert Penner's easing equations + // http://www.robertpenner.com/easing/ + var easingEffects = helpers.easingEffects = { + linear: function(t) { + return t; + }, + easeInQuad: function(t) { + return t * t; + }, + easeOutQuad: function(t) { + return -1 * t * (t - 2); + }, + easeInOutQuad: function(t) { + if ((t /= 1 / 2) < 1) { + return 1 / 2 * t * t; + } + return -1 / 2 * ((--t) * (t - 2) - 1); + }, + easeInCubic: function(t) { + return t * t * t; + }, + easeOutCubic: function(t) { + return 1 * ((t = t / 1 - 1) * t * t + 1); + }, + easeInOutCubic: function(t) { + if ((t /= 1 / 2) < 1) { + return 1 / 2 * t * t * t; + } + return 1 / 2 * ((t -= 2) * t * t + 2); + }, + easeInQuart: function(t) { + return t * t * t * t; + }, + easeOutQuart: function(t) { + return -1 * ((t = t / 1 - 1) * t * t * t - 1); + }, + easeInOutQuart: function(t) { + if ((t /= 1 / 2) < 1) { + return 1 / 2 * t * t * t * t; + } + return -1 / 2 * ((t -= 2) * t * t * t - 2); + }, + easeInQuint: function(t) { + return 1 * (t /= 1) * t * t * t * t; + }, + easeOutQuint: function(t) { + return 1 * ((t = t / 1 - 1) * t * t * t * t + 1); + }, + easeInOutQuint: function(t) { + if ((t /= 1 / 2) < 1) { + return 1 / 2 * t * t * t * t * t; + } + return 1 / 2 * ((t -= 2) * t * t * t * t + 2); + }, + easeInSine: function(t) { + return -1 * Math.cos(t / 1 * (Math.PI / 2)) + 1; + }, + easeOutSine: function(t) { + return 1 * Math.sin(t / 1 * (Math.PI / 2)); + }, + easeInOutSine: function(t) { + return -1 / 2 * (Math.cos(Math.PI * t / 1) - 1); + }, + easeInExpo: function(t) { + return (t === 0) ? 1 : 1 * Math.pow(2, 10 * (t / 1 - 1)); + }, + easeOutExpo: function(t) { + return (t === 1) ? 1 : 1 * (-Math.pow(2, -10 * t / 1) + 1); + }, + easeInOutExpo: function(t) { + if (t === 0) { + return 0; + } + if (t === 1) { + return 1; + } + if ((t /= 1 / 2) < 1) { + return 1 / 2 * Math.pow(2, 10 * (t - 1)); + } + return 1 / 2 * (-Math.pow(2, -10 * --t) + 2); + }, + easeInCirc: function(t) { + if (t >= 1) { + return t; + } + return -1 * (Math.sqrt(1 - (t /= 1) * t) - 1); + }, + easeOutCirc: function(t) { + return 1 * Math.sqrt(1 - (t = t / 1 - 1) * t); + }, + easeInOutCirc: function(t) { + if ((t /= 1 / 2) < 1) { + return -1 / 2 * (Math.sqrt(1 - t * t) - 1); + } + return 1 / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1); + }, + easeInElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if ((t /= 1) === 1) { + return 1; + } + if (!p) { + p = 1 * 0.3; + } + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p)); + }, + easeOutElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if ((t /= 1) === 1) { + return 1; + } + if (!p) { + p = 1 * 0.3; + } + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + return a * Math.pow(2, -10 * t) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) + 1; + }, + easeInOutElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if ((t /= 1 / 2) === 2) { + return 1; + } + if (!p) { + p = 1 * (0.3 * 1.5); + } + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + if (t < 1) { + return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p)); + } + return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) * 0.5 + 1; + }, + easeInBack: function(t) { + var s = 1.70158; + return 1 * (t /= 1) * t * ((s + 1) * t - s); + }, + easeOutBack: function(t) { + var s = 1.70158; + return 1 * ((t = t / 1 - 1) * t * ((s + 1) * t + s) + 1); + }, + easeInOutBack: function(t) { + var s = 1.70158; + if ((t /= 1 / 2) < 1) { + return 1 / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)); + } + return 1 / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); + }, + easeInBounce: function(t) { + return 1 - easingEffects.easeOutBounce(1 - t); + }, + easeOutBounce: function(t) { + if ((t /= 1) < (1 / 2.75)) { + return 1 * (7.5625 * t * t); + } else if (t < (2 / 2.75)) { + return 1 * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75); + } else if (t < (2.5 / 2.75)) { + return 1 * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375); + } + return 1 * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375); + }, + easeInOutBounce: function(t) { + if (t < 1 / 2) { + return easingEffects.easeInBounce(t * 2) * 0.5; + } + return easingEffects.easeOutBounce(t * 2 - 1) * 0.5 + 1 * 0.5; + } + }; + // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ + helpers.requestAnimFrame = (function() { + return window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function(callback) { + return window.setTimeout(callback, 1000 / 60); + }; + }()); + helpers.cancelAnimFrame = (function() { + return window.cancelAnimationFrame || + window.webkitCancelAnimationFrame || + window.mozCancelAnimationFrame || + window.oCancelAnimationFrame || + window.msCancelAnimationFrame || + function(callback) { + return window.clearTimeout(callback, 1000 / 60); + }; + }()); + // -- DOM methods + helpers.getRelativePosition = function(evt, chart) { + var mouseX, mouseY; + var e = evt.originalEvent || evt, + canvas = evt.currentTarget || evt.srcElement, + boundingRect = canvas.getBoundingClientRect(); + + var touches = e.touches; + if (touches && touches.length > 0) { + mouseX = touches[0].clientX; + mouseY = touches[0].clientY; + + } else { + mouseX = e.clientX; + mouseY = e.clientY; + } + + // Scale mouse coordinates into canvas coordinates + // by following the pattern laid out by 'jerryj' in the comments of + // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ + var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left')); + var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top')); + var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right')); + var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom')); + var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; + var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; + + // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However + // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here + mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); + mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); + + return { + x: mouseX, + y: mouseY + }; + + }; + helpers.addEvent = function(node, eventType, method) { + if (node.addEventListener) { + node.addEventListener(eventType, method); + } else if (node.attachEvent) { + node.attachEvent('on' + eventType, method); + } else { + node['on' + eventType] = method; + } + }; + helpers.removeEvent = function(node, eventType, handler) { + if (node.removeEventListener) { + node.removeEventListener(eventType, handler, false); + } else if (node.detachEvent) { + node.detachEvent('on' + eventType, handler); + } else { + node['on' + eventType] = helpers.noop; + } + }; + helpers.bindEvents = function(chartInstance, arrayOfEvents, handler) { + // Create the events object if it's not already present + var events = chartInstance.events = chartInstance.events || {}; + + helpers.each(arrayOfEvents, function(eventName) { + events[eventName] = function() { + handler.apply(chartInstance, arguments); + }; + helpers.addEvent(chartInstance.chart.canvas, eventName, events[eventName]); + }); + }; + helpers.unbindEvents = function(chartInstance, arrayOfEvents) { + var canvas = chartInstance.chart.canvas; + helpers.each(arrayOfEvents, function(handler, eventName) { + helpers.removeEvent(canvas, eventName, handler); + }); + }; + + // Private helper function to convert max-width/max-height values that may be percentages into a number + function parseMaxStyle(styleValue, node, parentProperty) { + var valueInPixels; + if (typeof(styleValue) === 'string') { + valueInPixels = parseInt(styleValue, 10); + + if (styleValue.indexOf('%') !== -1) { + // percentage * size in dimension + valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; + } + } else { + valueInPixels = styleValue; + } + + return valueInPixels; + } + + /** + * Returns if the given value contains an effective constraint. + * @private + */ + function isConstrainedValue(value) { + return value !== undefined && value !== null && value !== 'none'; + } + + // Private helper to get a constraint dimension + // @param domNode : the node to check the constraint on + // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight) + // @param percentageProperty : property of parent to use when calculating width as a percentage + // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser + function getConstraintDimension(domNode, maxStyle, percentageProperty) { + var view = document.defaultView; + var parentNode = domNode.parentNode; + var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; + var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; + var hasCNode = isConstrainedValue(constrainedNode); + var hasCContainer = isConstrainedValue(constrainedContainer); + var infinity = Number.POSITIVE_INFINITY; + + if (hasCNode || hasCContainer) { + return Math.min( + hasCNode? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, + hasCContainer? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); + } + + return 'none'; + } + // returns Number or undefined if no constraint + helpers.getConstraintWidth = function(domNode) { + return getConstraintDimension(domNode, 'max-width', 'clientWidth'); + }; + // returns Number or undefined if no constraint + helpers.getConstraintHeight = function(domNode) { + return getConstraintDimension(domNode, 'max-height', 'clientHeight'); + }; + helpers.getMaximumWidth = function(domNode) { + var container = domNode.parentNode; + var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10); + var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10); + var w = container.clientWidth - paddingLeft - paddingRight; + var cw = helpers.getConstraintWidth(domNode); + return isNaN(cw)? w : Math.min(w, cw); + }; + helpers.getMaximumHeight = function(domNode) { + var container = domNode.parentNode; + var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10); + var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10); + var h = container.clientHeight - paddingTop - paddingBottom; + var ch = helpers.getConstraintHeight(domNode); + return isNaN(ch)? h : Math.min(h, ch); + }; + helpers.getStyle = function(el, property) { + return el.currentStyle ? + el.currentStyle[property] : + document.defaultView.getComputedStyle(el, null).getPropertyValue(property); + }; + helpers.retinaScale = function(chart) { + var pixelRatio = chart.currentDevicePixelRatio = window.devicePixelRatio || 1; + if (pixelRatio === 1) { + return; + } + + var canvas = chart.canvas; + var height = chart.height; + var width = chart.width; + + canvas.height = height * pixelRatio; + canvas.width = width * pixelRatio; + chart.ctx.scale(pixelRatio, pixelRatio); + + // If no style has been set on the canvas, the render size is used as display size, + // making the chart visually bigger, so let's enforce it to the "correct" values. + // See https://github.com/chartjs/Chart.js/issues/3575 + canvas.style.height = height + 'px'; + canvas.style.width = width + 'px'; + }; + // -- Canvas methods + helpers.clear = function(chart) { + chart.ctx.clearRect(0, 0, chart.width, chart.height); + }; + helpers.fontString = function(pixelSize, fontStyle, fontFamily) { + return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; + }; + helpers.longestText = function(ctx, font, arrayOfThings, cache) { + cache = cache || {}; + var data = cache.data = cache.data || {}; + var gc = cache.garbageCollect = cache.garbageCollect || []; + + if (cache.font !== font) { + data = cache.data = {}; + gc = cache.garbageCollect = []; + cache.font = font; + } + + ctx.font = font; + var longest = 0; + helpers.each(arrayOfThings, function(thing) { + // Undefined strings and arrays should not be measured + if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) { + longest = helpers.measureText(ctx, data, gc, longest, thing); + } else if (helpers.isArray(thing)) { + // if it is an array lets measure each element + // to do maybe simplify this function a bit so we can do this more recursively? + helpers.each(thing, function(nestedThing) { + // Undefined strings and arrays should not be measured + if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) { + longest = helpers.measureText(ctx, data, gc, longest, nestedThing); + } + }); + } + }); + + var gcLen = gc.length / 2; + if (gcLen > arrayOfThings.length) { + for (var i = 0; i < gcLen; i++) { + delete data[gc[i]]; + } + gc.splice(0, gcLen); + } + return longest; + }; + helpers.measureText = function(ctx, data, gc, longest, string) { + var textWidth = data[string]; + if (!textWidth) { + textWidth = data[string] = ctx.measureText(string).width; + gc.push(string); + } + if (textWidth > longest) { + longest = textWidth; + } + return longest; + }; + helpers.numberOfLabelLines = function(arrayOfThings) { + var numberOfLines = 1; + helpers.each(arrayOfThings, function(thing) { + if (helpers.isArray(thing)) { + if (thing.length > numberOfLines) { + numberOfLines = thing.length; + } + } + }); + return numberOfLines; + }; + helpers.drawRoundedRectangle = function(ctx, x, y, width, height, radius) { + ctx.beginPath(); + ctx.moveTo(x + radius, y); + ctx.lineTo(x + width - radius, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + radius); + ctx.lineTo(x + width, y + height - radius); + ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); + ctx.lineTo(x + radius, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - radius); + ctx.lineTo(x, y + radius); + ctx.quadraticCurveTo(x, y, x + radius, y); + ctx.closePath(); + }; + helpers.color = function(c) { + if (!color) { + console.error('Color.js not found!'); + return c; + } + + /* global CanvasGradient */ + if (c instanceof CanvasGradient) { + return color(Chart.defaults.global.defaultColor); + } + + return color(c); + }; + helpers.addResizeListener = function(node, callback) { + var iframe = document.createElement('iframe'); + iframe.className = 'chartjs-hidden-iframe'; + iframe.style.cssText = + 'display:block;'+ + 'overflow:hidden;'+ + 'border:0;'+ + 'margin:0;'+ + 'top:0;'+ + 'left:0;'+ + 'bottom:0;'+ + 'right:0;'+ + 'height:100%;'+ + 'width:100%;'+ + 'position:absolute;'+ + 'pointer-events:none;'+ + 'z-index:-1;'; + + // Prevent the iframe to gain focus on tab. + // https://github.com/chartjs/Chart.js/issues/3090 + iframe.tabIndex = -1; + + // Let's keep track of this added iframe and thus avoid DOM query when removing it. + var stub = node._chartjs = { + resizer: iframe, + ticking: false + }; + + // Throttle the callback notification until the next animation frame. + var notify = function() { + if (!stub.ticking) { + stub.ticking = true; + helpers.requestAnimFrame.call(window, function() { + if (stub.resizer) { + stub.ticking = false; + return callback(); + } + }); + } + }; + + // If the iframe is re-attached to the DOM, the resize listener is removed because the + // content is reloaded, so make sure to install the handler after the iframe is loaded. + // https://github.com/chartjs/Chart.js/issues/3521 + helpers.addEvent(iframe, 'load', function() { + helpers.addEvent(iframe.contentWindow || iframe, 'resize', notify); + + // The iframe size might have changed while loading, which can also + // happen if the size has been changed while detached from the DOM. + notify(); + }); + + node.insertBefore(iframe, node.firstChild); + }; + helpers.removeResizeListener = function(node) { + if (!node || !node._chartjs) { + return; + } + + var iframe = node._chartjs.resizer; + if (iframe) { + iframe.parentNode.removeChild(iframe); + node._chartjs.resizer = null; + } + + delete node._chartjs; + }; + helpers.isArray = Array.isArray? + function(obj) { + return Array.isArray(obj); + } : + function(obj) { + return Object.prototype.toString.call(obj) === '[object Array]'; + }; + // ! @see http://stackoverflow.com/a/14853974 + helpers.arrayEquals = function(a0, a1) { + var i, ilen, v0, v1; + + if (!a0 || !a1 || a0.length !== a1.length) { + return false; + } + + for (i = 0, ilen=a0.length; i < ilen; ++i) { + v0 = a0[i]; + v1 = a1[i]; + + if (v0 instanceof Array && v1 instanceof Array) { + if (!helpers.arrayEquals(v0, v1)) { + return false; + } + } else if (v0 !== v1) { + // NOTE: two different object instances will never be equal: {x:20} != {x:20} + return false; + } + } + + return true; + }; + helpers.callCallback = function(fn, args, _tArg) { + if (fn && typeof fn.call === 'function') { + fn.apply(_tArg, args); + } + }; + helpers.getHoverColor = function(colorValue) { + /* global CanvasPattern */ + return (colorValue instanceof CanvasPattern) ? + colorValue : + helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString(); + }; + }; + + +/***/ }, +/* 7 */ +/***/ function(module, exports, __webpack_require__) { + + /* MIT license */ + var convert = __webpack_require__(8); + var string = __webpack_require__(10); + + var Color = function (obj) { + if (obj instanceof Color) { + return obj; + } + if (!(this instanceof Color)) { + return new Color(obj); + } + + this.values = { + rgb: [0, 0, 0], + hsl: [0, 0, 0], + hsv: [0, 0, 0], + hwb: [0, 0, 0], + cmyk: [0, 0, 0, 0], + alpha: 1 + }; + + // parse Color() argument + var vals; + if (typeof obj === 'string') { + vals = string.getRgba(obj); + if (vals) { + this.setValues('rgb', vals); + } else if (vals = string.getHsla(obj)) { + this.setValues('hsl', vals); + } else if (vals = string.getHwb(obj)) { + this.setValues('hwb', vals); + } else { + throw new Error('Unable to parse color from string "' + obj + '"'); + } + } else if (typeof obj === 'object') { + vals = obj; + if (vals.r !== undefined || vals.red !== undefined) { + this.setValues('rgb', vals); + } else if (vals.l !== undefined || vals.lightness !== undefined) { + this.setValues('hsl', vals); + } else if (vals.v !== undefined || vals.value !== undefined) { + this.setValues('hsv', vals); + } else if (vals.w !== undefined || vals.whiteness !== undefined) { + this.setValues('hwb', vals); + } else if (vals.c !== undefined || vals.cyan !== undefined) { + this.setValues('cmyk', vals); + } else { + throw new Error('Unable to parse color from object ' + JSON.stringify(obj)); + } + } + }; + + Color.prototype = { + rgb: function () { + return this.setSpace('rgb', arguments); + }, + hsl: function () { + return this.setSpace('hsl', arguments); + }, + hsv: function () { + return this.setSpace('hsv', arguments); + }, + hwb: function () { + return this.setSpace('hwb', arguments); + }, + cmyk: function () { + return this.setSpace('cmyk', arguments); + }, + + rgbArray: function () { + return this.values.rgb; + }, + hslArray: function () { + return this.values.hsl; + }, + hsvArray: function () { + return this.values.hsv; + }, + hwbArray: function () { + var values = this.values; + if (values.alpha !== 1) { + return values.hwb.concat([values.alpha]); + } + return values.hwb; + }, + cmykArray: function () { + return this.values.cmyk; + }, + rgbaArray: function () { + var values = this.values; + return values.rgb.concat([values.alpha]); + }, + hslaArray: function () { + var values = this.values; + return values.hsl.concat([values.alpha]); + }, + alpha: function (val) { + if (val === undefined) { + return this.values.alpha; + } + this.setValues('alpha', val); + return this; + }, + + red: function (val) { + return this.setChannel('rgb', 0, val); + }, + green: function (val) { + return this.setChannel('rgb', 1, val); + }, + blue: function (val) { + return this.setChannel('rgb', 2, val); + }, + hue: function (val) { + if (val) { + val %= 360; + val = val < 0 ? 360 + val : val; + } + return this.setChannel('hsl', 0, val); + }, + saturation: function (val) { + return this.setChannel('hsl', 1, val); + }, + lightness: function (val) { + return this.setChannel('hsl', 2, val); + }, + saturationv: function (val) { + return this.setChannel('hsv', 1, val); + }, + whiteness: function (val) { + return this.setChannel('hwb', 1, val); + }, + blackness: function (val) { + return this.setChannel('hwb', 2, val); + }, + value: function (val) { + return this.setChannel('hsv', 2, val); + }, + cyan: function (val) { + return this.setChannel('cmyk', 0, val); + }, + magenta: function (val) { + return this.setChannel('cmyk', 1, val); + }, + yellow: function (val) { + return this.setChannel('cmyk', 2, val); + }, + black: function (val) { + return this.setChannel('cmyk', 3, val); + }, + + hexString: function () { + return string.hexString(this.values.rgb); + }, + rgbString: function () { + return string.rgbString(this.values.rgb, this.values.alpha); + }, + rgbaString: function () { + return string.rgbaString(this.values.rgb, this.values.alpha); + }, + percentString: function () { + return string.percentString(this.values.rgb, this.values.alpha); + }, + hslString: function () { + return string.hslString(this.values.hsl, this.values.alpha); + }, + hslaString: function () { + return string.hslaString(this.values.hsl, this.values.alpha); + }, + hwbString: function () { + return string.hwbString(this.values.hwb, this.values.alpha); + }, + keyword: function () { + return string.keyword(this.values.rgb, this.values.alpha); + }, + + rgbNumber: function () { + var rgb = this.values.rgb; + return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; + }, + + luminosity: function () { + // http://www.w3.org/TR/WCAG20/#relativeluminancedef + var rgb = this.values.rgb; + var lum = []; + for (var i = 0; i < rgb.length; i++) { + var chan = rgb[i] / 255; + lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); + } + return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; + }, + + contrast: function (color2) { + // http://www.w3.org/TR/WCAG20/#contrast-ratiodef + var lum1 = this.luminosity(); + var lum2 = color2.luminosity(); + if (lum1 > lum2) { + return (lum1 + 0.05) / (lum2 + 0.05); + } + return (lum2 + 0.05) / (lum1 + 0.05); + }, + + level: function (color2) { + var contrastRatio = this.contrast(color2); + if (contrastRatio >= 7.1) { + return 'AAA'; + } + + return (contrastRatio >= 4.5) ? 'AA' : ''; + }, + + dark: function () { + // YIQ equation from http://24ways.org/2010/calculating-color-contrast + var rgb = this.values.rgb; + var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; + return yiq < 128; + }, + + light: function () { + return !this.dark(); + }, + + negate: function () { + var rgb = []; + for (var i = 0; i < 3; i++) { + rgb[i] = 255 - this.values.rgb[i]; + } + this.setValues('rgb', rgb); + return this; + }, + + lighten: function (ratio) { + var hsl = this.values.hsl; + hsl[2] += hsl[2] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + darken: function (ratio) { + var hsl = this.values.hsl; + hsl[2] -= hsl[2] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + saturate: function (ratio) { + var hsl = this.values.hsl; + hsl[1] += hsl[1] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + desaturate: function (ratio) { + var hsl = this.values.hsl; + hsl[1] -= hsl[1] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + whiten: function (ratio) { + var hwb = this.values.hwb; + hwb[1] += hwb[1] * ratio; + this.setValues('hwb', hwb); + return this; + }, + + blacken: function (ratio) { + var hwb = this.values.hwb; + hwb[2] += hwb[2] * ratio; + this.setValues('hwb', hwb); + return this; + }, + + greyscale: function () { + var rgb = this.values.rgb; + // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale + var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; + this.setValues('rgb', [val, val, val]); + return this; + }, + + clearer: function (ratio) { + var alpha = this.values.alpha; + this.setValues('alpha', alpha - (alpha * ratio)); + return this; + }, + + opaquer: function (ratio) { + var alpha = this.values.alpha; + this.setValues('alpha', alpha + (alpha * ratio)); + return this; + }, + + rotate: function (degrees) { + var hsl = this.values.hsl; + var hue = (hsl[0] + degrees) % 360; + hsl[0] = hue < 0 ? 360 + hue : hue; + this.setValues('hsl', hsl); + return this; + }, + + /** + * Ported from sass implementation in C + * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 + */ + mix: function (mixinColor, weight) { + var color1 = this; + var color2 = mixinColor; + var p = weight === undefined ? 0.5 : weight; + + var w = 2 * p - 1; + var a = color1.alpha() - color2.alpha(); + + var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; + var w2 = 1 - w1; + + return this + .rgb( + w1 * color1.red() + w2 * color2.red(), + w1 * color1.green() + w2 * color2.green(), + w1 * color1.blue() + w2 * color2.blue() + ) + .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); + }, + + toJSON: function () { + return this.rgb(); + }, + + clone: function () { + // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, + // making the final build way to big to embed in Chart.js. So let's do it manually, + // assuming that values to clone are 1 dimension arrays containing only numbers, + // except 'alpha' which is a number. + var result = new Color(); + var source = this.values; + var target = result.values; + var value, type; + + for (var prop in source) { + if (source.hasOwnProperty(prop)) { + value = source[prop]; + type = ({}).toString.call(value); + if (type === '[object Array]') { + target[prop] = value.slice(0); + } else if (type === '[object Number]') { + target[prop] = value; + } else { + console.error('unexpected color value:', value); + } + } + } + + return result; + } + }; + + Color.prototype.spaces = { + rgb: ['red', 'green', 'blue'], + hsl: ['hue', 'saturation', 'lightness'], + hsv: ['hue', 'saturation', 'value'], + hwb: ['hue', 'whiteness', 'blackness'], + cmyk: ['cyan', 'magenta', 'yellow', 'black'] + }; + + Color.prototype.maxes = { + rgb: [255, 255, 255], + hsl: [360, 100, 100], + hsv: [360, 100, 100], + hwb: [360, 100, 100], + cmyk: [100, 100, 100, 100] + }; + + Color.prototype.getValues = function (space) { + var values = this.values; + var vals = {}; + + for (var i = 0; i < space.length; i++) { + vals[space.charAt(i)] = values[space][i]; + } + + if (values.alpha !== 1) { + vals.a = values.alpha; + } + + // {r: 255, g: 255, b: 255, a: 0.4} + return vals; + }; + + Color.prototype.setValues = function (space, vals) { + var values = this.values; + var spaces = this.spaces; + var maxes = this.maxes; + var alpha = 1; + var i; + + if (space === 'alpha') { + alpha = vals; + } else if (vals.length) { + // [10, 10, 10] + values[space] = vals.slice(0, space.length); + alpha = vals[space.length]; + } else if (vals[space.charAt(0)] !== undefined) { + // {r: 10, g: 10, b: 10} + for (i = 0; i < space.length; i++) { + values[space][i] = vals[space.charAt(i)]; + } + + alpha = vals.a; + } else if (vals[spaces[space][0]] !== undefined) { + // {red: 10, green: 10, blue: 10} + var chans = spaces[space]; + + for (i = 0; i < space.length; i++) { + values[space][i] = vals[chans[i]]; + } + + alpha = vals.alpha; + } + + values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); + + if (space === 'alpha') { + return false; + } + + var capped; + + // cap values of the space prior converting all values + for (i = 0; i < space.length; i++) { + capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); + values[space][i] = Math.round(capped); + } + + // convert to all the other color spaces + for (var sname in spaces) { + if (sname !== space) { + values[sname] = convert[space][sname](values[space]); + } + } + + return true; + }; + + Color.prototype.setSpace = function (space, args) { + var vals = args[0]; + + if (vals === undefined) { + // color.rgb() + return this.getValues(space); + } + + // color.rgb(10, 10, 10) + if (typeof vals === 'number') { + vals = Array.prototype.slice.call(args); + } + + this.setValues(space, vals); + return this; + }; + + Color.prototype.setChannel = function (space, index, val) { + var svalues = this.values[space]; + if (val === undefined) { + // color.red() + return svalues[index]; + } else if (val === svalues[index]) { + // color.red(color.red()) + return this; + } + + // color.red(100) + svalues[index] = val; + this.setValues(space, svalues); + + return this; + }; + + if (typeof window !== 'undefined') { + window.Color = Color; + } + + module.exports = Color; + + +/***/ }, +/* 8 */ +/***/ function(module, exports, __webpack_require__) { + + var conversions = __webpack_require__(9); + + var convert = function() { + return new Converter(); + } + + for (var func in conversions) { + // export Raw versions + convert[func + "Raw"] = (function(func) { + // accept array or plain args + return function(arg) { + if (typeof arg == "number") + arg = Array.prototype.slice.call(arguments); + return conversions[func](arg); + } + })(func); + + var pair = /(\w+)2(\w+)/.exec(func), + from = pair[1], + to = pair[2]; + + // export rgb2hsl and ["rgb"]["hsl"] + convert[from] = convert[from] || {}; + + convert[from][to] = convert[func] = (function(func) { + return function(arg) { + if (typeof arg == "number") + arg = Array.prototype.slice.call(arguments); + + var val = conversions[func](arg); + if (typeof val == "string" || val === undefined) + return val; // keyword + + for (var i = 0; i < val.length; i++) + val[i] = Math.round(val[i]); + return val; + } + })(func); + } + + + /* Converter does lazy conversion and caching */ + var Converter = function() { + this.convs = {}; + }; + + /* Either get the values for a space or + set the values for a space, depending on args */ + Converter.prototype.routeSpace = function(space, args) { + var values = args[0]; + if (values === undefined) { + // color.rgb() + return this.getValues(space); + } + // color.rgb(10, 10, 10) + if (typeof values == "number") { + values = Array.prototype.slice.call(args); + } + + return this.setValues(space, values); + }; + + /* Set the values for a space, invalidating cache */ + Converter.prototype.setValues = function(space, values) { + this.space = space; + this.convs = {}; + this.convs[space] = values; + return this; + }; + + /* Get the values for a space. If there's already + a conversion for the space, fetch it, otherwise + compute it */ + Converter.prototype.getValues = function(space) { + var vals = this.convs[space]; + if (!vals) { + var fspace = this.space, + from = this.convs[fspace]; + vals = convert[fspace][space](from); + + this.convs[space] = vals; + } + return vals; + }; + + ["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { + Converter.prototype[space] = function(vals) { + return this.routeSpace(space, arguments); + } + }); + + module.exports = convert; + +/***/ }, +/* 9 */ +/***/ function(module, exports) { + + /* MIT license */ + + module.exports = { + rgb2hsl: rgb2hsl, + rgb2hsv: rgb2hsv, + rgb2hwb: rgb2hwb, + rgb2cmyk: rgb2cmyk, + rgb2keyword: rgb2keyword, + rgb2xyz: rgb2xyz, + rgb2lab: rgb2lab, + rgb2lch: rgb2lch, + + hsl2rgb: hsl2rgb, + hsl2hsv: hsl2hsv, + hsl2hwb: hsl2hwb, + hsl2cmyk: hsl2cmyk, + hsl2keyword: hsl2keyword, + + hsv2rgb: hsv2rgb, + hsv2hsl: hsv2hsl, + hsv2hwb: hsv2hwb, + hsv2cmyk: hsv2cmyk, + hsv2keyword: hsv2keyword, + + hwb2rgb: hwb2rgb, + hwb2hsl: hwb2hsl, + hwb2hsv: hwb2hsv, + hwb2cmyk: hwb2cmyk, + hwb2keyword: hwb2keyword, + + cmyk2rgb: cmyk2rgb, + cmyk2hsl: cmyk2hsl, + cmyk2hsv: cmyk2hsv, + cmyk2hwb: cmyk2hwb, + cmyk2keyword: cmyk2keyword, + + keyword2rgb: keyword2rgb, + keyword2hsl: keyword2hsl, + keyword2hsv: keyword2hsv, + keyword2hwb: keyword2hwb, + keyword2cmyk: keyword2cmyk, + keyword2lab: keyword2lab, + keyword2xyz: keyword2xyz, + + xyz2rgb: xyz2rgb, + xyz2lab: xyz2lab, + xyz2lch: xyz2lch, + + lab2xyz: lab2xyz, + lab2rgb: lab2rgb, + lab2lch: lab2lch, + + lch2lab: lch2lab, + lch2xyz: lch2xyz, + lch2rgb: lch2rgb + } + + + function rgb2hsl(rgb) { + var r = rgb[0]/255, + g = rgb[1]/255, + b = rgb[2]/255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s, l; + + if (max == min) + h = 0; + else if (r == max) + h = (g - b) / delta; + else if (g == max) + h = 2 + (b - r) / delta; + else if (b == max) + h = 4 + (r - g)/ delta; + + h = Math.min(h * 60, 360); + + if (h < 0) + h += 360; + + l = (min + max) / 2; + + if (max == min) + s = 0; + else if (l <= 0.5) + s = delta / (max + min); + else + s = delta / (2 - max - min); + + return [h, s * 100, l * 100]; + } + + function rgb2hsv(rgb) { + var r = rgb[0], + g = rgb[1], + b = rgb[2], + min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s, v; + + if (max == 0) + s = 0; + else + s = (delta/max * 1000)/10; + + if (max == min) + h = 0; + else if (r == max) + h = (g - b) / delta; + else if (g == max) + h = 2 + (b - r) / delta; + else if (b == max) + h = 4 + (r - g) / delta; + + h = Math.min(h * 60, 360); + + if (h < 0) + h += 360; + + v = ((max / 255) * 1000) / 10; + + return [h, s, v]; + } + + function rgb2hwb(rgb) { + var r = rgb[0], + g = rgb[1], + b = rgb[2], + h = rgb2hsl(rgb)[0], + w = 1/255 * Math.min(r, Math.min(g, b)), + b = 1 - 1/255 * Math.max(r, Math.max(g, b)); + + return [h, w * 100, b * 100]; + } + + function rgb2cmyk(rgb) { + var r = rgb[0] / 255, + g = rgb[1] / 255, + b = rgb[2] / 255, + c, m, y, k; + + k = Math.min(1 - r, 1 - g, 1 - b); + c = (1 - r - k) / (1 - k) || 0; + m = (1 - g - k) / (1 - k) || 0; + y = (1 - b - k) / (1 - k) || 0; + return [c * 100, m * 100, y * 100, k * 100]; + } + + function rgb2keyword(rgb) { + return reverseKeywords[JSON.stringify(rgb)]; + } + + function rgb2xyz(rgb) { + var r = rgb[0] / 255, + g = rgb[1] / 255, + b = rgb[2] / 255; + + // assume sRGB + r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); + g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); + b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); + + var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); + var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); + var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); + + return [x * 100, y *100, z * 100]; + } + + function rgb2lab(rgb) { + var xyz = rgb2xyz(rgb), + x = xyz[0], + y = xyz[1], + z = xyz[2], + l, a, b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; + } + + function rgb2lch(args) { + return lab2lch(rgb2lab(args)); + } + + function hsl2rgb(hsl) { + var h = hsl[0] / 360, + s = hsl[1] / 100, + l = hsl[2] / 100, + t1, t2, t3, rgb, val; + + if (s == 0) { + val = l * 255; + return [val, val, val]; + } + + if (l < 0.5) + t2 = l * (1 + s); + else + t2 = l + s - l * s; + t1 = 2 * l - t2; + + rgb = [0, 0, 0]; + for (var i = 0; i < 3; i++) { + t3 = h + 1 / 3 * - (i - 1); + t3 < 0 && t3++; + t3 > 1 && t3--; + + if (6 * t3 < 1) + val = t1 + (t2 - t1) * 6 * t3; + else if (2 * t3 < 1) + val = t2; + else if (3 * t3 < 2) + val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; + else + val = t1; + + rgb[i] = val * 255; + } + + return rgb; + } + + function hsl2hsv(hsl) { + var h = hsl[0], + s = hsl[1] / 100, + l = hsl[2] / 100, + sv, v; + + if(l === 0) { + // no need to do calc on black + // also avoids divide by 0 error + return [0, 0, 0]; + } + + l *= 2; + s *= (l <= 1) ? l : 2 - l; + v = (l + s) / 2; + sv = (2 * s) / (l + s); + return [h, sv * 100, v * 100]; + } + + function hsl2hwb(args) { + return rgb2hwb(hsl2rgb(args)); + } + + function hsl2cmyk(args) { + return rgb2cmyk(hsl2rgb(args)); + } + + function hsl2keyword(args) { + return rgb2keyword(hsl2rgb(args)); + } + + + function hsv2rgb(hsv) { + var h = hsv[0] / 60, + s = hsv[1] / 100, + v = hsv[2] / 100, + hi = Math.floor(h) % 6; + + var f = h - Math.floor(h), + p = 255 * v * (1 - s), + q = 255 * v * (1 - (s * f)), + t = 255 * v * (1 - (s * (1 - f))), + v = 255 * v; + + switch(hi) { + case 0: + return [v, t, p]; + case 1: + return [q, v, p]; + case 2: + return [p, v, t]; + case 3: + return [p, q, v]; + case 4: + return [t, p, v]; + case 5: + return [v, p, q]; + } + } + + function hsv2hsl(hsv) { + var h = hsv[0], + s = hsv[1] / 100, + v = hsv[2] / 100, + sl, l; + + l = (2 - s) * v; + sl = s * v; + sl /= (l <= 1) ? l : 2 - l; + sl = sl || 0; + l /= 2; + return [h, sl * 100, l * 100]; + } + + function hsv2hwb(args) { + return rgb2hwb(hsv2rgb(args)) + } + + function hsv2cmyk(args) { + return rgb2cmyk(hsv2rgb(args)); + } + + function hsv2keyword(args) { + return rgb2keyword(hsv2rgb(args)); + } + + // http://dev.w3.org/csswg/css-color/#hwb-to-rgb + function hwb2rgb(hwb) { + var h = hwb[0] / 360, + wh = hwb[1] / 100, + bl = hwb[2] / 100, + ratio = wh + bl, + i, v, f, n; + + // wh + bl cant be > 1 + if (ratio > 1) { + wh /= ratio; + bl /= ratio; + } + + i = Math.floor(6 * h); + v = 1 - bl; + f = 6 * h - i; + if ((i & 0x01) != 0) { + f = 1 - f; + } + n = wh + f * (v - wh); // linear interpolation + + switch (i) { + default: + case 6: + case 0: r = v; g = n; b = wh; break; + case 1: r = n; g = v; b = wh; break; + case 2: r = wh; g = v; b = n; break; + case 3: r = wh; g = n; b = v; break; + case 4: r = n; g = wh; b = v; break; + case 5: r = v; g = wh; b = n; break; + } + + return [r * 255, g * 255, b * 255]; + } + + function hwb2hsl(args) { + return rgb2hsl(hwb2rgb(args)); + } + + function hwb2hsv(args) { + return rgb2hsv(hwb2rgb(args)); + } + + function hwb2cmyk(args) { + return rgb2cmyk(hwb2rgb(args)); + } + + function hwb2keyword(args) { + return rgb2keyword(hwb2rgb(args)); + } + + function cmyk2rgb(cmyk) { + var c = cmyk[0] / 100, + m = cmyk[1] / 100, + y = cmyk[2] / 100, + k = cmyk[3] / 100, + r, g, b; + + r = 1 - Math.min(1, c * (1 - k) + k); + g = 1 - Math.min(1, m * (1 - k) + k); + b = 1 - Math.min(1, y * (1 - k) + k); + return [r * 255, g * 255, b * 255]; + } + + function cmyk2hsl(args) { + return rgb2hsl(cmyk2rgb(args)); + } + + function cmyk2hsv(args) { + return rgb2hsv(cmyk2rgb(args)); + } + + function cmyk2hwb(args) { + return rgb2hwb(cmyk2rgb(args)); + } + + function cmyk2keyword(args) { + return rgb2keyword(cmyk2rgb(args)); + } + + + function xyz2rgb(xyz) { + var x = xyz[0] / 100, + y = xyz[1] / 100, + z = xyz[2] / 100, + r, g, b; + + r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); + g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); + b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); + + // assume sRGB + r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) + : r = (r * 12.92); + + g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) + : g = (g * 12.92); + + b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) + : b = (b * 12.92); + + r = Math.min(Math.max(0, r), 1); + g = Math.min(Math.max(0, g), 1); + b = Math.min(Math.max(0, b), 1); + + return [r * 255, g * 255, b * 255]; + } + + function xyz2lab(xyz) { + var x = xyz[0], + y = xyz[1], + z = xyz[2], + l, a, b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; + } + + function xyz2lch(args) { + return lab2lch(xyz2lab(args)); + } + + function lab2xyz(lab) { + var l = lab[0], + a = lab[1], + b = lab[2], + x, y, z, y2; + + if (l <= 8) { + y = (l * 100) / 903.3; + y2 = (7.787 * (y / 100)) + (16 / 116); + } else { + y = 100 * Math.pow((l + 16) / 116, 3); + y2 = Math.pow(y / 100, 1/3); + } + + x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); + + z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); + + return [x, y, z]; + } + + function lab2lch(lab) { + var l = lab[0], + a = lab[1], + b = lab[2], + hr, h, c; + + hr = Math.atan2(b, a); + h = hr * 360 / 2 / Math.PI; + if (h < 0) { + h += 360; + } + c = Math.sqrt(a * a + b * b); + return [l, c, h]; + } + + function lab2rgb(args) { + return xyz2rgb(lab2xyz(args)); + } + + function lch2lab(lch) { + var l = lch[0], + c = lch[1], + h = lch[2], + a, b, hr; + + hr = h / 360 * 2 * Math.PI; + a = c * Math.cos(hr); + b = c * Math.sin(hr); + return [l, a, b]; + } + + function lch2xyz(args) { + return lab2xyz(lch2lab(args)); + } + + function lch2rgb(args) { + return lab2rgb(lch2lab(args)); + } + + function keyword2rgb(keyword) { + return cssKeywords[keyword]; + } + + function keyword2hsl(args) { + return rgb2hsl(keyword2rgb(args)); + } + + function keyword2hsv(args) { + return rgb2hsv(keyword2rgb(args)); + } + + function keyword2hwb(args) { + return rgb2hwb(keyword2rgb(args)); + } + + function keyword2cmyk(args) { + return rgb2cmyk(keyword2rgb(args)); + } + + function keyword2lab(args) { + return rgb2lab(keyword2rgb(args)); + } + + function keyword2xyz(args) { + return rgb2xyz(keyword2rgb(args)); + } + + var cssKeywords = { + aliceblue: [240,248,255], + antiquewhite: [250,235,215], + aqua: [0,255,255], + aquamarine: [127,255,212], + azure: [240,255,255], + beige: [245,245,220], + bisque: [255,228,196], + black: [0,0,0], + blanchedalmond: [255,235,205], + blue: [0,0,255], + blueviolet: [138,43,226], + brown: [165,42,42], + burlywood: [222,184,135], + cadetblue: [95,158,160], + chartreuse: [127,255,0], + chocolate: [210,105,30], + coral: [255,127,80], + cornflowerblue: [100,149,237], + cornsilk: [255,248,220], + crimson: [220,20,60], + cyan: [0,255,255], + darkblue: [0,0,139], + darkcyan: [0,139,139], + darkgoldenrod: [184,134,11], + darkgray: [169,169,169], + darkgreen: [0,100,0], + darkgrey: [169,169,169], + darkkhaki: [189,183,107], + darkmagenta: [139,0,139], + darkolivegreen: [85,107,47], + darkorange: [255,140,0], + darkorchid: [153,50,204], + darkred: [139,0,0], + darksalmon: [233,150,122], + darkseagreen: [143,188,143], + darkslateblue: [72,61,139], + darkslategray: [47,79,79], + darkslategrey: [47,79,79], + darkturquoise: [0,206,209], + darkviolet: [148,0,211], + deeppink: [255,20,147], + deepskyblue: [0,191,255], + dimgray: [105,105,105], + dimgrey: [105,105,105], + dodgerblue: [30,144,255], + firebrick: [178,34,34], + floralwhite: [255,250,240], + forestgreen: [34,139,34], + fuchsia: [255,0,255], + gainsboro: [220,220,220], + ghostwhite: [248,248,255], + gold: [255,215,0], + goldenrod: [218,165,32], + gray: [128,128,128], + green: [0,128,0], + greenyellow: [173,255,47], + grey: [128,128,128], + honeydew: [240,255,240], + hotpink: [255,105,180], + indianred: [205,92,92], + indigo: [75,0,130], + ivory: [255,255,240], + khaki: [240,230,140], + lavender: [230,230,250], + lavenderblush: [255,240,245], + lawngreen: [124,252,0], + lemonchiffon: [255,250,205], + lightblue: [173,216,230], + lightcoral: [240,128,128], + lightcyan: [224,255,255], + lightgoldenrodyellow: [250,250,210], + lightgray: [211,211,211], + lightgreen: [144,238,144], + lightgrey: [211,211,211], + lightpink: [255,182,193], + lightsalmon: [255,160,122], + lightseagreen: [32,178,170], + lightskyblue: [135,206,250], + lightslategray: [119,136,153], + lightslategrey: [119,136,153], + lightsteelblue: [176,196,222], + lightyellow: [255,255,224], + lime: [0,255,0], + limegreen: [50,205,50], + linen: [250,240,230], + magenta: [255,0,255], + maroon: [128,0,0], + mediumaquamarine: [102,205,170], + mediumblue: [0,0,205], + mediumorchid: [186,85,211], + mediumpurple: [147,112,219], + mediumseagreen: [60,179,113], + mediumslateblue: [123,104,238], + mediumspringgreen: [0,250,154], + mediumturquoise: [72,209,204], + mediumvioletred: [199,21,133], + midnightblue: [25,25,112], + mintcream: [245,255,250], + mistyrose: [255,228,225], + moccasin: [255,228,181], + navajowhite: [255,222,173], + navy: [0,0,128], + oldlace: [253,245,230], + olive: [128,128,0], + olivedrab: [107,142,35], + orange: [255,165,0], + orangered: [255,69,0], + orchid: [218,112,214], + palegoldenrod: [238,232,170], + palegreen: [152,251,152], + paleturquoise: [175,238,238], + palevioletred: [219,112,147], + papayawhip: [255,239,213], + peachpuff: [255,218,185], + peru: [205,133,63], + pink: [255,192,203], + plum: [221,160,221], + powderblue: [176,224,230], + purple: [128,0,128], + rebeccapurple: [102, 51, 153], + red: [255,0,0], + rosybrown: [188,143,143], + royalblue: [65,105,225], + saddlebrown: [139,69,19], + salmon: [250,128,114], + sandybrown: [244,164,96], + seagreen: [46,139,87], + seashell: [255,245,238], + sienna: [160,82,45], + silver: [192,192,192], + skyblue: [135,206,235], + slateblue: [106,90,205], + slategray: [112,128,144], + slategrey: [112,128,144], + snow: [255,250,250], + springgreen: [0,255,127], + steelblue: [70,130,180], + tan: [210,180,140], + teal: [0,128,128], + thistle: [216,191,216], + tomato: [255,99,71], + turquoise: [64,224,208], + violet: [238,130,238], + wheat: [245,222,179], + white: [255,255,255], + whitesmoke: [245,245,245], + yellow: [255,255,0], + yellowgreen: [154,205,50] + }; + + var reverseKeywords = {}; + for (var key in cssKeywords) { + reverseKeywords[JSON.stringify(cssKeywords[key])] = key; + } + + +/***/ }, +/* 10 */ +/***/ function(module, exports, __webpack_require__) { + + /* MIT license */ + var colorNames = __webpack_require__(11); + + module.exports = { + getRgba: getRgba, + getHsla: getHsla, + getRgb: getRgb, + getHsl: getHsl, + getHwb: getHwb, + getAlpha: getAlpha, + + hexString: hexString, + rgbString: rgbString, + rgbaString: rgbaString, + percentString: percentString, + percentaString: percentaString, + hslString: hslString, + hslaString: hslaString, + hwbString: hwbString, + keyword: keyword + } + + function getRgba(string) { + if (!string) { + return; + } + var abbr = /^#([a-fA-F0-9]{3})$/, + hex = /^#([a-fA-F0-9]{6})$/, + rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/, + per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/, + keyword = /(\w+)/; + + var rgb = [0, 0, 0], + a = 1, + match = string.match(abbr); + if (match) { + match = match[1]; + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match[i] + match[i], 16); + } + } + else if (match = string.match(hex)) { + match = match[1]; + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); + } + } + else if (match = string.match(rgba)) { + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match[i + 1]); + } + a = parseFloat(match[4]); + } + else if (match = string.match(per)) { + for (var i = 0; i < rgb.length; i++) { + rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); + } + a = parseFloat(match[4]); + } + else if (match = string.match(keyword)) { + if (match[1] == "transparent") { + return [0, 0, 0, 0]; + } + rgb = colorNames[match[1]]; + if (!rgb) { + return; + } + } + + for (var i = 0; i < rgb.length; i++) { + rgb[i] = scale(rgb[i], 0, 255); + } + if (!a && a != 0) { + a = 1; + } + else { + a = scale(a, 0, 1); + } + rgb[3] = a; + return rgb; + } + + function getHsla(string) { + if (!string) { + return; + } + var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; + var match = string.match(hsl); + if (match) { + var alpha = parseFloat(match[4]); + var h = scale(parseInt(match[1]), 0, 360), + s = scale(parseFloat(match[2]), 0, 100), + l = scale(parseFloat(match[3]), 0, 100), + a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); + return [h, s, l, a]; + } + } + + function getHwb(string) { + if (!string) { + return; + } + var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; + var match = string.match(hwb); + if (match) { + var alpha = parseFloat(match[4]); + var h = scale(parseInt(match[1]), 0, 360), + w = scale(parseFloat(match[2]), 0, 100), + b = scale(parseFloat(match[3]), 0, 100), + a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); + return [h, w, b, a]; + } + } + + function getRgb(string) { + var rgba = getRgba(string); + return rgba && rgba.slice(0, 3); + } + + function getHsl(string) { + var hsla = getHsla(string); + return hsla && hsla.slice(0, 3); + } + + function getAlpha(string) { + var vals = getRgba(string); + if (vals) { + return vals[3]; + } + else if (vals = getHsla(string)) { + return vals[3]; + } + else if (vals = getHwb(string)) { + return vals[3]; + } + } + + // generators + function hexString(rgb) { + return "#" + hexDouble(rgb[0]) + hexDouble(rgb[1]) + + hexDouble(rgb[2]); + } + + function rgbString(rgba, alpha) { + if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { + return rgbaString(rgba, alpha); + } + return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; + } + + function rgbaString(rgba, alpha) { + if (alpha === undefined) { + alpha = (rgba[3] !== undefined ? rgba[3] : 1); + } + return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + + ", " + alpha + ")"; + } + + function percentString(rgba, alpha) { + if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { + return percentaString(rgba, alpha); + } + var r = Math.round(rgba[0]/255 * 100), + g = Math.round(rgba[1]/255 * 100), + b = Math.round(rgba[2]/255 * 100); + + return "rgb(" + r + "%, " + g + "%, " + b + "%)"; + } + + function percentaString(rgba, alpha) { + var r = Math.round(rgba[0]/255 * 100), + g = Math.round(rgba[1]/255 * 100), + b = Math.round(rgba[2]/255 * 100); + return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; + } + + function hslString(hsla, alpha) { + if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { + return hslaString(hsla, alpha); + } + return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; + } + + function hslaString(hsla, alpha) { + if (alpha === undefined) { + alpha = (hsla[3] !== undefined ? hsla[3] : 1); + } + return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " + + alpha + ")"; + } + + // hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax + // (hwb have alpha optional & 1 is default value) + function hwbString(hwb, alpha) { + if (alpha === undefined) { + alpha = (hwb[3] !== undefined ? hwb[3] : 1); + } + return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" + + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; + } + + function keyword(rgb) { + return reverseNames[rgb.slice(0, 3)]; + } + + // helpers + function scale(num, min, max) { + return Math.min(Math.max(min, num), max); + } + + function hexDouble(num) { + var str = num.toString(16).toUpperCase(); + return (str.length < 2) ? "0" + str : str; + } + + + //create a list of reverse color names + var reverseNames = {}; + for (var name in colorNames) { + reverseNames[colorNames[name]] = name; + } + + +/***/ }, +/* 11 */ +/***/ function(module, exports) { + + module.exports = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] + }; + +/***/ }, +/* 12 */ +/***/ function(module, exports) { + + 'use strict'; + + module.exports = function(Chart) { + // Global Chart canvas helpers object for drawing items to canvas + var helpers = Chart.canvasHelpers = {}; + + helpers.drawPoint = function(ctx, pointStyle, radius, x, y) { + var type, edgeLength, xOffset, yOffset, height, size; + + if (typeof pointStyle === 'object') { + type = pointStyle.toString(); + if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { + ctx.drawImage(pointStyle, x - pointStyle.width / 2, y - pointStyle.height / 2); + return; + } + } + + if (isNaN(radius) || radius <= 0) { + return; + } + + switch (pointStyle) { + // Default includes circle + default: + ctx.beginPath(); + ctx.arc(x, y, radius, 0, Math.PI * 2); + ctx.closePath(); + ctx.fill(); + break; + case 'triangle': + ctx.beginPath(); + edgeLength = 3 * radius / Math.sqrt(3); + height = edgeLength * Math.sqrt(3) / 2; + ctx.moveTo(x - edgeLength / 2, y + height / 3); + ctx.lineTo(x + edgeLength / 2, y + height / 3); + ctx.lineTo(x, y - 2 * height / 3); + ctx.closePath(); + ctx.fill(); + break; + case 'rect': + size = 1 / Math.SQRT2 * radius; + ctx.beginPath(); + ctx.fillRect(x - size, y - size, 2 * size, 2 * size); + ctx.strokeRect(x - size, y - size, 2 * size, 2 * size); + break; + case 'rectRot': + size = 1 / Math.SQRT2 * radius; + ctx.beginPath(); + ctx.moveTo(x - size, y); + ctx.lineTo(x, y + size); + ctx.lineTo(x + size, y); + ctx.lineTo(x, y - size); + ctx.closePath(); + ctx.fill(); + break; + case 'cross': + ctx.beginPath(); + ctx.moveTo(x, y + radius); + ctx.lineTo(x, y - radius); + ctx.moveTo(x - radius, y); + ctx.lineTo(x + radius, y); + ctx.closePath(); + break; + case 'crossRot': + ctx.beginPath(); + xOffset = Math.cos(Math.PI / 4) * radius; + yOffset = Math.sin(Math.PI / 4) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x - xOffset, y + yOffset); + ctx.lineTo(x + xOffset, y - yOffset); + ctx.closePath(); + break; + case 'star': + ctx.beginPath(); + ctx.moveTo(x, y + radius); + ctx.lineTo(x, y - radius); + ctx.moveTo(x - radius, y); + ctx.lineTo(x + radius, y); + xOffset = Math.cos(Math.PI / 4) * radius; + yOffset = Math.sin(Math.PI / 4) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x - xOffset, y + yOffset); + ctx.lineTo(x + xOffset, y - yOffset); + ctx.closePath(); + break; + case 'line': + ctx.beginPath(); + ctx.moveTo(x - radius, y); + ctx.lineTo(x + radius, y); + ctx.closePath(); + break; + case 'dash': + ctx.beginPath(); + ctx.moveTo(x, y); + ctx.lineTo(x + radius, y); + ctx.closePath(); + break; + } + + ctx.stroke(); + }; + }; + + +/***/ }, +/* 13 */ +/***/ function(module, exports) { + + 'use strict'; + + module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.elements = {}; + + Chart.Element = function(configuration) { + helpers.extend(this, configuration); + this.initialize.apply(this, arguments); + }; + + helpers.extend(Chart.Element.prototype, { + + initialize: function() { + this.hidden = false; + }, + + pivot: function() { + var me = this; + if (!me._view) { + me._view = helpers.clone(me._model); + } + me._start = helpers.clone(me._view); + return me; + }, + + transition: function(ease) { + var me = this; + + if (!me._view) { + me._view = helpers.clone(me._model); + } + + // No animation -> No Transition + if (ease === 1) { + me._view = me._model; + me._start = null; + return me; + } + + if (!me._start) { + me.pivot(); + } + + helpers.each(me._model, function(value, key) { + + if (key[0] === '_') { + // Only non-underscored properties + // Init if doesn't exist + } else if (!me._view.hasOwnProperty(key)) { + if (typeof value === 'number' && !isNaN(me._view[key])) { + me._view[key] = value * ease; + } else { + me._view[key] = value; + } + // No unnecessary computations + } else if (value === me._view[key]) { + // It's the same! Woohoo! + // Color transitions if possible + } else if (typeof value === 'string') { + try { + var color = helpers.color(me._model[key]).mix(helpers.color(me._start[key]), ease); + me._view[key] = color.rgbString(); + } catch (err) { + me._view[key] = value; + } + // Number transitions + } else if (typeof value === 'number') { + var startVal = me._start[key] !== undefined && isNaN(me._start[key]) === false ? me._start[key] : 0; + me._view[key] = ((me._model[key] - startVal) * ease) + startVal; + // Everything else + } else { + me._view[key] = value; + } + }, me); + + return me; + }, + + tooltipPosition: function() { + return { + x: this._model.x, + y: this._model.y + }; + }, + + hasValue: function() { + return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y); + } + }); + + Chart.Element.extend = helpers.inherits; + + }; + + +/***/ }, +/* 14 */ +/***/ function(module, exports) { + + /* global window: false */ + 'use strict'; + + module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.global.animation = { + duration: 1000, + easing: 'easeOutQuart', + onProgress: helpers.noop, + onComplete: helpers.noop + }; + + Chart.Animation = Chart.Element.extend({ + currentStep: null, // the current animation step + numSteps: 60, // default number of steps + easing: '', // the easing to use for this animation + render: null, // render function used by the animation service + + onAnimationProgress: null, // user specified callback to fire on each step of the animation + onAnimationComplete: null // user specified callback to fire when the animation finishes + }); + + Chart.animationService = { + frameDuration: 17, + animations: [], + dropFrames: 0, + request: null, + + /** + * @function Chart.animationService.addAnimation + * @param chartInstance {ChartController} the chart to animate + * @param animationObject {IAnimation} the animation that we will animate + * @param duration {Number} length of animation in ms + * @param lazy {Boolean} if true, the chart is not marked as animating to enable more responsive interactions + */ + addAnimation: function(chartInstance, animationObject, duration, lazy) { + var me = this; + + if (!lazy) { + chartInstance.animating = true; + } + + for (var index = 0; index < me.animations.length; ++index) { + if (me.animations[index].chartInstance === chartInstance) { + // replacing an in progress animation + me.animations[index].animationObject = animationObject; + return; + } + } + + me.animations.push({ + chartInstance: chartInstance, + animationObject: animationObject + }); + + // If there are no animations queued, manually kickstart a digest, for lack of a better word + if (me.animations.length === 1) { + me.requestAnimationFrame(); + } + }, + // Cancel the animation for a given chart instance + cancelAnimation: function(chartInstance) { + var index = helpers.findIndex(this.animations, function(animationWrapper) { + return animationWrapper.chartInstance === chartInstance; + }); + + if (index !== -1) { + this.animations.splice(index, 1); + chartInstance.animating = false; + } + }, + requestAnimationFrame: function() { + var me = this; + if (me.request === null) { + // Skip animation frame requests until the active one is executed. + // This can happen when processing mouse events, e.g. 'mousemove' + // and 'mouseout' events will trigger multiple renders. + me.request = helpers.requestAnimFrame.call(window, function() { + me.request = null; + me.startDigest(); + }); + } + }, + startDigest: function() { + var me = this; + + var startTime = Date.now(); + var framesToDrop = 0; + + if (me.dropFrames > 1) { + framesToDrop = Math.floor(me.dropFrames); + me.dropFrames = me.dropFrames % 1; + } + + var i = 0; + while (i < me.animations.length) { + if (me.animations[i].animationObject.currentStep === null) { + me.animations[i].animationObject.currentStep = 0; + } + + me.animations[i].animationObject.currentStep += 1 + framesToDrop; + + if (me.animations[i].animationObject.currentStep > me.animations[i].animationObject.numSteps) { + me.animations[i].animationObject.currentStep = me.animations[i].animationObject.numSteps; + } + + me.animations[i].animationObject.render(me.animations[i].chartInstance, me.animations[i].animationObject); + if (me.animations[i].animationObject.onAnimationProgress && me.animations[i].animationObject.onAnimationProgress.call) { + me.animations[i].animationObject.onAnimationProgress.call(me.animations[i].chartInstance, me.animations[i]); + } + + if (me.animations[i].animationObject.currentStep === me.animations[i].animationObject.numSteps) { + if (me.animations[i].animationObject.onAnimationComplete && me.animations[i].animationObject.onAnimationComplete.call) { + me.animations[i].animationObject.onAnimationComplete.call(me.animations[i].chartInstance, me.animations[i]); + } + + // executed the last frame. Remove the animation. + me.animations[i].chartInstance.animating = false; + + me.animations.splice(i, 1); + } else { + ++i; + } + } + + var endTime = Date.now(); + var dropFrames = (endTime - startTime) / me.frameDuration; + + me.dropFrames += dropFrames; + + // Do we have more stuff to animate? + if (me.animations.length > 0) { + me.requestAnimationFrame(); + } + } + }; + }; + + +/***/ }, +/* 15 */ +/***/ function(module, exports) { + + 'use strict'; + + module.exports = function(Chart) { + + var helpers = Chart.helpers; + + // Create a dictionary of chart types, to allow for extension of existing types + Chart.types = {}; + + // Store a reference to each instance - allowing us to globally resize chart instances on window resize. + // Destroy method on the chart will remove the instance of the chart from this reference. + Chart.instances = {}; + + // Controllers available for dataset visualization eg. bar, line, slice, etc. + Chart.controllers = {}; + + /** + * The "used" size is the final value of a dimension property after all calculations have + * been performed. This method uses the computed style of `element` but returns undefined + * if the computed style is not expressed in pixels. That can happen in some cases where + * `element` has a size relative to its parent and this last one is not yet displayed, + * for example because of `display: none` on a parent node. + * TODO(SB) Move this method in the upcoming core.platform class. + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value + * @returns {Number} Size in pixels or undefined if unknown. + */ + function readUsedSize(element, property) { + var value = helpers.getStyle(element, property); + var matches = value && value.match(/(\d+)px/); + return matches? Number(matches[1]) : undefined; + } + + /** + * Initializes the canvas style and render size without modifying the canvas display size, + * since responsiveness is handled by the controller.resize() method. The config is used + * to determine the aspect ratio to apply in case no explicit height has been specified. + * TODO(SB) Move this method in the upcoming core.platform class. + */ + function initCanvas(canvas, config) { + var style = canvas.style; + + // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it + // returns null or '' if no explicit value has been set to the canvas attribute. + var renderHeight = canvas.getAttribute('height'); + var renderWidth = canvas.getAttribute('width'); + + // Chart.js modifies some canvas values that we want to restore on destroy + canvas._chartjs = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + + // Force canvas to display as block to avoid extra space caused by inline + // elements, which would interfere with the responsive resize process. + // https://github.com/chartjs/Chart.js/issues/2538 + style.display = style.display || 'block'; + + if (renderWidth === null || renderWidth === '') { + var displayWidth = readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + + if (renderHeight === null || renderHeight === '') { + if (canvas.style.height === '') { + // If no explicit render height and style height, let's apply the aspect ratio, + // which one can be specified by the user but also by charts as default option + // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. + canvas.height = canvas.width / (config.options.aspectRatio || 2); + } else { + var displayHeight = readUsedSize(canvas, 'height'); + if (displayWidth !== undefined) { + canvas.height = displayHeight; + } + } + } + + return canvas; + } + + /** + * Restores the canvas initial state, such as render/display sizes and style. + * TODO(SB) Move this method in the upcoming core.platform class. + */ + function releaseCanvas(canvas) { + if (!canvas._chartjs) { + return; + } + + var initial = canvas._chartjs.initial; + ['height', 'width'].forEach(function(prop) { + var value = initial[prop]; + if (value === undefined || value === null) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + + helpers.each(initial.style || {}, function(value, key) { + canvas.style[key] = value; + }); + + // The canvas render size might have been changed (and thus the state stack discarded), + // we can't use save() and restore() to restore the initial state. So make sure that at + // least the canvas context is reset to the default state by setting the canvas width. + // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html + canvas.width = canvas.width; + + delete canvas._chartjs; + } + + /** + * TODO(SB) Move this method in the upcoming core.platform class. + */ + function acquireContext(item, config) { + if (typeof item === 'string') { + item = document.getElementById(item); + } else if (item.length) { + // Support for array based queries (such as jQuery) + item = item[0]; + } + + if (item && item.canvas) { + // Support for any object associated to a canvas (including a context2d) + item = item.canvas; + } + + if (item instanceof HTMLCanvasElement) { + // To prevent canvas fingerprinting, some add-ons undefine the getContext + // method, for example: https://github.com/kkapsner/CanvasBlocker + // https://github.com/chartjs/Chart.js/issues/2807 + var context = item.getContext && item.getContext('2d'); + if (context instanceof CanvasRenderingContext2D) { + initCanvas(item, config); + return context; + } + } + + return null; + } + + /** + * Initializes the given config with global and chart default values. + */ + function initConfig(config) { + config = config || {}; + + // Do NOT use configMerge() for the data object because this method merges arrays + // and so would change references to labels and datasets, preventing data updates. + var data = config.data = config.data || {}; + data.datasets = data.datasets || []; + data.labels = data.labels || []; + + config.options = helpers.configMerge( + Chart.defaults.global, + Chart.defaults[config.type], + config.options || {}); + + return config; + } + + /** + * @class Chart.Controller + * The main controller of a chart. + */ + Chart.Controller = function(item, config, instance) { + var me = this; + + config = initConfig(config); + + var context = acquireContext(item, config); + var canvas = context && context.canvas; + var height = canvas && canvas.height; + var width = canvas && canvas.width; + + instance.ctx = context; + instance.canvas = canvas; + instance.config = config; + instance.width = width; + instance.height = height; + instance.aspectRatio = height? width / height : null; + + me.id = helpers.uid(); + me.chart = instance; + me.config = config; + me.options = config.options; + me._bufferedRender = false; + + // Add the chart instance to the global namespace + Chart.instances[me.id] = me; + + Object.defineProperty(me, 'data', { + get: function() { + return me.config.data; + } + }); + + if (!context || !canvas) { + // The given item is not a compatible context2d element, let's return before finalizing + // the chart initialization but after setting basic chart / controller properties that + // can help to figure out that the chart is not valid (e.g chart.canvas !== null); + // https://github.com/chartjs/Chart.js/issues/2807 + console.error("Failed to create chart: can't acquire context from the given item"); + return me; + } + + helpers.retinaScale(instance); + + // Responsiveness is currently based on the use of an iframe, however this method causes + // performance issues and could be troublesome when used with ad blockers. So make sure + // that the user is still able to create a chart without iframe when responsive is false. + // See https://github.com/chartjs/Chart.js/issues/2210 + if (me.options.responsive) { + helpers.addResizeListener(canvas.parentNode, function() { + me.resize(); + }); + + // Initial resize before chart draws (must be silent to preserve initial animations). + me.resize(true); + } + + me.initialize(); + + return me; + }; + + helpers.extend(Chart.Controller.prototype, /** @lends Chart.Controller */ { + initialize: function() { + var me = this; + + // Before init plugin notification + Chart.plugins.notify('beforeInit', [me]); + + me.bindEvents(); + + // Make sure controllers are built first so that each dataset is bound to an axis before the scales + // are built + me.ensureScalesHaveIDs(); + me.buildOrUpdateControllers(); + me.buildScales(); + me.updateLayout(); + me.resetElements(); + me.initToolTip(); + me.update(); + + // After init plugin notification + Chart.plugins.notify('afterInit', [me]); + + return me; + }, + + clear: function() { + helpers.clear(this.chart); + return this; + }, + + stop: function() { + // Stops any current animation loop occurring + Chart.animationService.cancelAnimation(this); + return this; + }, + + resize: function(silent) { + var me = this; + var chart = me.chart; + var options = me.options; + var canvas = chart.canvas; + var aspectRatio = (options.maintainAspectRatio && chart.aspectRatio) || null; + + // the canvas render width and height will be casted to integers so make sure that + // the canvas display style uses the same integer values to avoid blurring effect. + var newWidth = Math.floor(helpers.getMaximumWidth(canvas)); + var newHeight = Math.floor(aspectRatio? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)); + + if (chart.width === newWidth && chart.height === newHeight) { + return; + } + + canvas.width = chart.width = newWidth; + canvas.height = chart.height = newHeight; + canvas.style.width = newWidth + 'px'; + canvas.style.height = newHeight + 'px'; + + helpers.retinaScale(chart); + + // Notify any plugins about the resize + var newSize = {width: newWidth, height: newHeight}; + Chart.plugins.notify('resize', [me, newSize]); + + // Notify of resize + if (me.options.onResize) { + me.options.onResize(me, newSize); + } + + if (!silent) { + me.stop(); + me.update(me.options.responsiveAnimationDuration); + } + }, + + ensureScalesHaveIDs: function() { + var options = this.options; + var scalesOptions = options.scales || {}; + var scaleOptions = options.scale; + + helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) { + xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); + }); + + helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) { + yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); + }); + + if (scaleOptions) { + scaleOptions.id = scaleOptions.id || 'scale'; + } + }, + + /** + * Builds a map of scale ID to scale object for future lookup. + */ + buildScales: function() { + var me = this; + var options = me.options; + var scales = me.scales = {}; + var items = []; + + if (options.scales) { + items = items.concat( + (options.scales.xAxes || []).map(function(xAxisOptions) { + return {options: xAxisOptions, dtype: 'category'}; + }), + (options.scales.yAxes || []).map(function(yAxisOptions) { + return {options: yAxisOptions, dtype: 'linear'}; + }) + ); + } + + if (options.scale) { + items.push({options: options.scale, dtype: 'radialLinear', isDefault: true}); + } + + helpers.each(items, function(item) { + var scaleOptions = item.options; + var scaleType = helpers.getValueOrDefault(scaleOptions.type, item.dtype); + var scaleClass = Chart.scaleService.getScaleConstructor(scaleType); + if (!scaleClass) { + return; + } + + var scale = new scaleClass({ + id: scaleOptions.id, + options: scaleOptions, + ctx: me.chart.ctx, + chart: me + }); + + scales[scale.id] = scale; + + // TODO(SB): I think we should be able to remove this custom case (options.scale) + // and consider it as a regular scale part of the "scales"" map only! This would + // make the logic easier and remove some useless? custom code. + if (item.isDefault) { + me.scale = scale; + } + }); + + Chart.scaleService.addScalesToLayout(this); + }, + + updateLayout: function() { + Chart.layoutService.update(this, this.chart.width, this.chart.height); + }, + + buildOrUpdateControllers: function() { + var me = this; + var types = []; + var newControllers = []; + + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + var meta = me.getDatasetMeta(datasetIndex); + if (!meta.type) { + meta.type = dataset.type || me.config.type; + } + + types.push(meta.type); + + if (meta.controller) { + meta.controller.updateIndex(datasetIndex); + } else { + meta.controller = new Chart.controllers[meta.type](me, datasetIndex); + newControllers.push(meta.controller); + } + }, me); + + if (types.length > 1) { + for (var i = 1; i < types.length; i++) { + if (types[i] !== types[i - 1]) { + me.isCombo = true; + break; + } + } + } + + return newControllers; + }, + + /** + * Reset the elements of all datasets + * @method resetElements + * @private + */ + resetElements: function() { + var me = this; + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + me.getDatasetMeta(datasetIndex).controller.reset(); + }, me); + }, + + /** + * Resets the chart back to it's state before the initial animation + * @method reset + */ + reset: function() { + this.resetElements(); + this.tooltip.initialize(); + }, + + update: function(animationDuration, lazy) { + var me = this; + Chart.plugins.notify('beforeUpdate', [me]); + + // In case the entire data object changed + me.tooltip._data = me.data; + + // Make sure dataset controllers are updated and new controllers are reset + var newControllers = me.buildOrUpdateControllers(); + + // Make sure all dataset controllers have correct meta data counts + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); + }, me); + + Chart.layoutService.update(me, me.chart.width, me.chart.height); + + // Apply changes to the datasets that require the scales to have been calculated i.e BorderColor changes + Chart.plugins.notify('afterScaleUpdate', [me]); + + // Can only reset the new controllers after the scales have been updated + helpers.each(newControllers, function(controller) { + controller.reset(); + }); + + me.updateDatasets(); + + // Do this before render so that any plugins that need final scale updates can use it + Chart.plugins.notify('afterUpdate', [me]); + + if (me._bufferedRender) { + me._bufferedRequest = { + lazy: lazy, + duration: animationDuration + }; + } else { + me.render(animationDuration, lazy); + } + }, + + /** + * @method beforeDatasetsUpdate + * @description Called before all datasets are updated. If a plugin returns false, + * the datasets update will be cancelled until another chart update is triggered. + * @param {Object} instance the chart instance being updated. + * @returns {Boolean} false to cancel the datasets update. + * @memberof Chart.PluginBase + * @since version 2.1.5 + * @instance + */ + + /** + * @method afterDatasetsUpdate + * @description Called after all datasets have been updated. Note that this + * extension will not be called if the datasets update has been cancelled. + * @param {Object} instance the chart instance being updated. + * @memberof Chart.PluginBase + * @since version 2.1.5 + * @instance + */ + + /** + * Updates all datasets unless a plugin returns false to the beforeDatasetsUpdate + * extension, in which case no datasets will be updated and the afterDatasetsUpdate + * notification will be skipped. + * @protected + * @instance + */ + updateDatasets: function() { + var me = this; + var i, ilen; + + if (Chart.plugins.notify('beforeDatasetsUpdate', [me])) { + for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { + me.getDatasetMeta(i).controller.update(); + } + + Chart.plugins.notify('afterDatasetsUpdate', [me]); + } + }, + + render: function(duration, lazy) { + var me = this; + Chart.plugins.notify('beforeRender', [me]); + + var animationOptions = me.options.animation; + if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) { + var animation = new Chart.Animation(); + animation.numSteps = (duration || animationOptions.duration) / 16.66; // 60 fps + animation.easing = animationOptions.easing; + + // render function + animation.render = function(chartInstance, animationObject) { + var easingFunction = helpers.easingEffects[animationObject.easing]; + var stepDecimal = animationObject.currentStep / animationObject.numSteps; + var easeDecimal = easingFunction(stepDecimal); + + chartInstance.draw(easeDecimal, stepDecimal, animationObject.currentStep); + }; + + // user events + animation.onAnimationProgress = animationOptions.onProgress; + animation.onAnimationComplete = animationOptions.onComplete; + + Chart.animationService.addAnimation(me, animation, duration, lazy); + } else { + me.draw(); + if (animationOptions && animationOptions.onComplete && animationOptions.onComplete.call) { + animationOptions.onComplete.call(me); + } + } + return me; + }, + + draw: function(ease) { + var me = this; + var easingDecimal = ease || 1; + me.clear(); + + Chart.plugins.notify('beforeDraw', [me, easingDecimal]); + + // Draw all the scales + helpers.each(me.boxes, function(box) { + box.draw(me.chartArea); + }, me); + if (me.scale) { + me.scale.draw(); + } + + Chart.plugins.notify('beforeDatasetsDraw', [me, easingDecimal]); + + // Draw each dataset via its respective controller (reversed to support proper line stacking) + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + if (me.isDatasetVisible(datasetIndex)) { + me.getDatasetMeta(datasetIndex).controller.draw(ease); + } + }, me, true); + + Chart.plugins.notify('afterDatasetsDraw', [me, easingDecimal]); + + // Finally draw the tooltip + me.tooltip.transition(easingDecimal).draw(); + + Chart.plugins.notify('afterDraw', [me, easingDecimal]); + }, + + // Get the single element that was clicked on + // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw + getElementAtEvent: function(e) { + return Chart.Interaction.modes.single(this, e); + }, + + getElementsAtEvent: function(e) { + return Chart.Interaction.modes.label(this, e, {intersect: true}); + }, + + getElementsAtXAxis: function(e) { + return Chart.Interaction.modes['x-axis'](this, e, {intersect: true}); + }, + + getElementsAtEventForMode: function(e, mode, options) { + var method = Chart.Interaction.modes[mode]; + if (typeof method === 'function') { + return method(this, e, options); + } + + return []; + }, + + getDatasetAtEvent: function(e) { + return Chart.Interaction.modes.dataset(this, e); + }, + + getDatasetMeta: function(datasetIndex) { + var me = this; + var dataset = me.data.datasets[datasetIndex]; + if (!dataset._meta) { + dataset._meta = {}; + } + + var meta = dataset._meta[me.id]; + if (!meta) { + meta = dataset._meta[me.id] = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, // See isDatasetVisible() comment + xAxisID: null, + yAxisID: null + }; + } + + return meta; + }, + + getVisibleDatasetCount: function() { + var count = 0; + for (var i = 0, ilen = this.data.datasets.length; i