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{ Theme } from \"../../core/Theme\";\r\nimport { percent, p100, p50 } from \"../../core/util/Percent\";\r\nimport { Rectangle } from \"../../core/render/Rectangle\";\r\n\r\nimport * as $ease from \"../../core/util/Ease\";\r\n\r\n\r\n/**\r\n * @ignore\r\n */\r\nexport class WordCloudDefaultTheme extends Theme {\r\n\tprotected setupDefaultRules() {\r\n\t\tsuper.setupDefaultRules();\r\n\r\n\t\tconst ic = this._root.interfaceColors;\r\n\t\tconst r = this.rule.bind(this);\r\n\r\n\t\tr(\"WordCloud\").setAll({\r\n\t\t\twidth: p100,\r\n\t\t\theight: p100,\r\n\t\t\tminFontSize: percent(2),\r\n\t\t\tmaxFontSize: percent(15),\r\n\t\t\texcludeWords: [],\r\n\t\t\tangles: [0, -90],\r\n\t\t\tminWordLength: 1,\r\n\t\t\tstep: 15,\r\n\t\t\trandomness: 0,\r\n\t\t\tautoFit: true,\r\n\t\t\tanimationEasing: $ease.out($ease.cubic)\r\n\t\t});\r\n\r\n\t\t{\r\n\t\t\tconst rule = r(\"Label\", [\"wordcloud\"]);\r\n\r\n\t\t\trule.setAll({\r\n\t\t\t\ttext: \"{category}\",\r\n\t\t\t\tcenterX: p50,\r\n\t\t\t\tcenterY: p50,\r\n\t\t\t\tposition: \"absolute\",\r\n\t\t\t\tlineHeight: p100,\r\n\t\t\t\tpopulateText: true\r\n\t\t\t});\r\n\r\n\t\t\trule.setup = (target) => {\r\n\t\t\t\ttarget.set(\"background\", Rectangle.new(this._root, {\r\n\t\t\t\t\tfill: ic.get(\"background\"),\r\n\t\t\t\t\tfillOpacity: 0\r\n\t\t\t\t}));\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t}\r\n}\r\n","import type { DataItem } from \"../../core/render/Component\";\nimport type { CanvasLayer } from \"../../core/render/backend/CanvasRenderer\";\nimport type { ColorSet } from \"../../core/util/ColorSet\";\nimport type { Percent } from \"../../core/util/Percent\";\nimport type { IPoint } from \"../../core/util/IPoint\";\nimport type { IDisposer } from \"../../core/util/Disposer\";\nimport type { Time } from \"../../core/util/Animation\";\n\nimport { WordCloudDefaultTheme } from \"./WordCloudDefaultTheme\";\nimport { Series, ISeriesSettings, ISeriesDataItem, ISeriesPrivate } from \"../../core/render/Series\";\nimport { Template } from \"../../core/util/Template\";\nimport { Label } from \"../../core/render/Label\";\nimport { Container } from \"../../core/render/Container\";\nimport { ListTemplate } from \"../../core/util/List\";\nimport { Color } from \"../../core/util/Color\";\nimport type { IBounds } from \"../../core/util/IBounds\";\n\nimport * as $utils from \"../../core/util/Utils\";\nimport * as $array from \"../../core/util/Array\";\nimport * as $math from \"../../core/util/Math\";\nimport * as $type from \"../../core/util/Type\";\n\nexport interface IWordCloudDataItem extends ISeriesDataItem {\n\n\t/**\n\t * Category.\n\t */\n\tcategory: string;\n\n\t/**\n\t * Label.\n\t */\n\tlabel: Label;\n\n\t/**\n\t * Label.\n\t */\n\tghostLabel: Label;\n\n\t/**\n\t * Fill color used for the slice and related elements, e.g. legend marker.\n\t */\n\tfill: Color;\n\n\t/**\n\t * @ignore\n\t */\n\tset: number;\n\n\t/**\n\t * @ignore\n\t */\n\tangle: number;\n\n\t/**\n\t * @ignore\n\t */\n\tfontSize: number;\n}\n\nexport interface IWordCloudSettings extends ISeriesSettings {\n\n\t/**\n\t * Duration of word animation when chart resizes.\n\t */\n\tanimationDuration?: number;\n\n\t/**\n\t * An easing function to use for word animations.\n\t *\n\t * @see {@link https://www.amcharts.com/docs/v5/concepts/animations/#Easing_functions} for more info\n\t * @default am5.ease.out($ease.cubic)\n\t */\n\tanimationEasing?: (t: Time) => Time;\n\n\t/**\n\t * @default false\n\t */\n\tautoFit?: boolean;\n\n\t/**\n\t * Progress of current word layout animation. (0-1)\n\t * \n\t * @readonly\n\t */\n\tprogress?: number;\n\n\t/**\n\t * A [[ColorSet]] to use when asigning colors for slices.\n\t */\n\tcolors?: ColorSet;\n\n\t/**\n\t * A field in data that holds category names.\n\t */\n\tcategoryField?: string;\n\n\t/**\n\t * A field that holds color for label fill.\n\t */\n\tfillField?: string;\n\n\t/**\n\t * Source text from which words are extracted.\n\t */\n\ttext?: string;\n\n\t/**\n\t * Absolute or relative font size for the smallest words.\n\t */\n\tminFontSize?: number | Percent;\n\n\t/**\n\t * Absolute or relative font size for the biggest words.\n\t */\n\tmaxFontSize?: number | Percent;\n\n\t/**\n\t * Minimum occurances for a word to be included into cloud.\n\t */\n\tminValue?: number;\n\n\t/**\n\t * Maximum number of words to show.\n\t */\n\tmaxCount?: number;\n\n\t/**\n\t * Array of words  exclude from cloud.\n\t */\n\texcludeWords?: Array<string>;\n\n\t/**\n\t * Randomness of word placement (0-1).\n\t */\n\trandomness?: number;\n\n\t/**\n\t * Minimum number of characters for a word to be included in the cloud.\n\t */\n\tminWordLength?: number;\n\n\t/**\n\t * An array of possible rotation angles for words.\n\t */\n\tangles?: number[];\n\n\t/**\n\t * Step for next word placement.\n\t */\n\tstep?: number;\n}\n\nexport interface IWordCloudPrivate extends ISeriesPrivate {\n\n\t/**\n\t * Indicates whether size of the font was adjusted for better fit.\n\t */\n\tadjustedFontSize: number;\n\n}\n\n/**\n * Creates a [[WordlCloud]] series.\n *\n * @see {@link https://www.amcharts.com/docs/v5/charts/word-cloud/} for more info\n * @important\n */\nexport class WordCloud extends Series {\n\n\tpublic static className: string = \"WordCloud\";\n\tpublic static classNames: Array<string> = Series.classNames.concat([WordCloud.className]);\n\n\tdeclare public _settings: IWordCloudSettings;\n\tdeclare public _privateSettings: IWordCloudPrivate;\n\tdeclare public _dataItemSettings: IWordCloudDataItem;\n\n\tprotected _currentIndex: number = 0;\n\tprotected _timeoutDP?: IDisposer;\n\n\tprotected _ghostContainer = this.children.push(Container.new(this._root, { layer: 99, opacity: 0.01 }))\n\n\tprotected _pointSets: Array<Array<IPoint>> = [];\n\tprotected _sets: number = 3;\n\n\tprotected _process = false;\n\n\tprotected _buffer: Array<number> = [];\n\n\tprotected _boundsToAdd?: IBounds;\n\n\tprotected _afterNew() {\n\t\tthis._defaultThemes.push(WordCloudDefaultTheme.new(this._root));\n\n\t\tthis.fields.push(\"category\", \"fill\");\n\t\tthis._setDefault(\"valueField\", \"value\");\n\t\tthis._setDefault(\"categoryField\", \"category\");\n\t\tthis._setDefault(\"fillField\", \"fill\");\n\n\t\tsuper._afterNew();\n\n\t\tthis._root.events.on(\"frameended\", () => {\n\t\t\tthis.set(\"progress\", this._currentIndex / this.dataItems.length);\n\t\t})\n\t}\n\n\n\t/**\n\t * A [[ListTemplate]] of all labels in series.\n\t *\n\t * `labels.template` can also be used to configure labels.\n\t */\n\tpublic readonly labels: ListTemplate<Label> = this._makeLabels();\n\n\t/**\n\t * @ignore\n\t */\n\tpublic makeLabel(dataItem: DataItem<this[\"_dataItemSettings\"]>): Label {\n\t\tconst label = this.children.push(this.labels.make());\n\t\tlabel._setDataItem(dataItem);\n\t\tconst fill = dataItem.get(\"fill\");\n\t\tif (fill != null) {\n\t\t\tlabel.set(\"fill\", fill);\n\t\t}\n\t\tlabel.set(\"x\", -999999); // do not change!\n\n\t\tdataItem.set(\"label\", label);\n\t\tthis.labels.push(label);\n\n\t\tconst ghostLabel = this._ghostContainer.children.push(this.labels.make());\n\t\tghostLabel._setDataItem(dataItem);\n\t\tghostLabel.setAll({ fill: Color.fromHex(0x000000), fontWeight: \"900\" });\n\t\tdataItem.set(\"ghostLabel\", ghostLabel);\n\t\tthis.labels.push(ghostLabel);\n\n\t\treturn label;\n\t}\n\n\tprotected _makeLabels(): ListTemplate<Label> {\n\t\treturn new ListTemplate(\n\t\t\tTemplate.new({}),\n\t\t\t() => Label._new(this._root, {\n\t\t\t\tthemeTags: $utils.mergeTags(this.labels.template.get(\"themeTags\", []), [\"wordcloud\", \"series\"])\n\t\t\t}, [this.labels.template]),\n\t\t);\n\t}\n\n\n\tprotected processDataItem(dataItem: DataItem<this[\"_dataItemSettings\"]>) {\n\t\tsuper.processDataItem(dataItem);\n\n\n\t\tif (dataItem.get(\"fill\") == null) {\n\t\t\tlet colors = this.get(\"colors\");\n\t\t\tif (colors) {\n\t\t\t\tdataItem.setRaw(\"fill\", colors.next());\n\t\t\t}\n\t\t}\n\n\t\tthis.makeLabel(dataItem);\n\t}\n\n\tpublic _prepareChildren() {\n\t\tsuper._prepareChildren();\n\n\t\tif (this.isDirty(\"text\")) {\n\t\t\tthis.data.setAll(this._getWords(this.get(\"text\")));\n\t\t\tthis._dirty[\"text\"] = false;\n\t\t}\n\t}\n\n\tpublic _updateChildren() {\n\t\tsuper._updateChildren();\n\n\t\tconst resolution = this._root._renderer.resolution;\n\t\tconst cols = Math.round(this._root.width() * resolution);\n\t\t//const rows = Math.round(this._root.height() * resolution);\n\t\tlet step = this.get(\"step\", 1) * 2;\n\n\t\tif (this._valuesDirty || this._sizeDirty || this.isPrivateDirty(\"adjustedFontSize\")) {\n\t\t\tconst adjustedFontSize = this.getPrivate(\"adjustedFontSize\", 1);\n\n\t\t\tconst w = this.innerWidth();\n\t\t\tconst h = this.innerHeight();\n\n\t\t\tconst smaller = Math.min(w, h);\n\t\t\tconst bigger = Math.max(w, h);\n\n\t\t\tthis._buffer = Array(Math.ceil(this._root.width() * this._root.height() * resolution * resolution)).fill(0);\n\n\t\t\tif (smaller < 800) {\n\t\t\t\tstep = step / 2;\n\t\t\t}\n\n\t\t\tthis._ghostContainer._display.clear();\n\t\t\tthis._pointSets = [];\n\n\t\t\tfor (let i = 0; i < this._sets; i++) {\n\t\t\t\t// bigger step at the beginning\n\t\t\t\tconst setStep = step * (this._sets - i);\n\t\t\t\tconst points = $math.spiralPoints(w / 2, h / 2, w, h, 0, setStep * h / bigger, setStep * w / bigger, 0, 0)\n\n\t\t\t\t// generated more points and remove those out of bounds\n\t\t\t\tfor (let i = points.length - 1; i >= 0; i--) {\n\t\t\t\t\tlet point = points[i];\n\n\t\t\t\t\tif (point.x < 0 || point.x > w || point.y < 0 || point.y > h) {\n\t\t\t\t\t\tpoints.splice(i, 1);\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tthis._pointSets.push(points);\n\t\t\t}\n\n\t\t\tlet sum = 0;\n\t\t\tlet absSum = 0;\n\t\t\tlet valueHigh = 0;\n\t\t\tlet valueLow = Infinity;\n\t\t\tlet count = 0;\n\t\t\t$array.each(this._dataItems, (dataItem) => {\n\t\t\t\tconst valueWorking = dataItem.get(\"valueWorking\", 0);\n\t\t\t\tsum += valueWorking;\n\t\t\t\tabsSum += Math.abs(valueWorking);\n\t\t\t});\n\n\t\t\tthis._dataItems.sort((a, b) => {\n\t\t\t\tlet aValue = a.get(\"value\", 0);\n\t\t\t\tlet bValue = b.get(\"value\", 0);\n\n\t\t\t\tif (aValue > bValue) {\n\t\t\t\t\treturn -1;\n\t\t\t\t}\n\t\t\t\tif (aValue < bValue) {\n\t\t\t\t\treturn 1;\n\t\t\t\t}\n\t\t\t\treturn 0;\n\n\t\t\t})\n\n\t\t\t$array.each(this._dataItems, (dataItem) => {\n\n\t\t\t\tconst value = dataItem.get(\"valueWorking\", 0);\n\n\t\t\t\tif (value >= absSum) {\n\t\t\t\t\tsum = dataItem.get(\"value\", 0);\n\t\t\t\t}\n\n\t\t\t\tif (value > valueHigh) {\n\t\t\t\t\tvalueHigh = value;\n\t\t\t\t}\n\n\t\t\t\tif (value < valueLow) {\n\t\t\t\t\tvalueLow = value;\n\t\t\t\t}\n\n\t\t\t\tcount++;\n\t\t\t});\n\n\t\t\tthis.setPrivateRaw(\"valueLow\", valueLow);\n\t\t\tthis.setPrivateRaw(\"valueHigh\", valueHigh);\n\t\t\tthis.setPrivateRaw(\"valueSum\", sum);\n\t\t\tthis.setPrivateRaw(\"valueAverage\", sum / count);\n\t\t\tthis.setPrivateRaw(\"valueAbsoluteSum\", absSum);\n\n\t\t\tconst smallerSize = Math.min(w, h);\n\t\t\tconst minFontSize = $utils.relativeToValue(this.get(\"minFontSize\", 10), smallerSize) * adjustedFontSize;\n\t\t\tconst maxFontSize = $utils.relativeToValue(this.get(\"maxFontSize\", 100), smallerSize) * adjustedFontSize;\n\n\t\t\tconst angles = this.get(\"angles\", [0]);\n\n\t\t\t$array.each(this._dataItems, (dataItem) => {\n\t\t\t\tconst value = dataItem.get(\"valueWorking\", 0);\n\t\t\t\tconst ghostLabel = dataItem.get(\"ghostLabel\");\n\t\t\t\tlet fontSize = minFontSize + (maxFontSize - minFontSize) * (value - valueLow) / (valueHigh - valueLow);\n\t\t\t\tif ($type.isNaN(fontSize)) {\n\t\t\t\t\tfontSize = maxFontSize;\n\t\t\t\t}\n\n\t\t\t\tconst set = this._sets - 1 - Math.floor((fontSize - minFontSize) / (maxFontSize - minFontSize) * (this._sets - 1));\n\n\t\t\t\tdataItem.setRaw(\"set\", set);\n\t\t\t\tdataItem.setRaw(\"fontSize\", fontSize);\n\n\t\t\t\tlet angle = angles[Math.floor(Math.random() * (angles.length))];\n\n\t\t\t\tdataItem.setRaw(\"angle\", angle);\n\n\t\t\t\tghostLabel.setAll({ fontSize: fontSize, rotation: angle, x: -10000 });\n\t\t\t})\n\n\t\t\tthis._process = false;\n\t\t\tthis._currentIndex = 0;\n\n\t\t\tthis._root.events.once(\"frameended\", () => {\n\t\t\t\tthis.setTimeout(() => {\n\t\t\t\t\tthis._process = true;\n\t\t\t\t\tthis._markDirtyKey(\"progress\");\n\t\t\t\t}, 50)\n\t\t\t})\n\t\t}\n\n\t\tconst boundsToAdd = this._boundsToAdd;\n\t\tif (boundsToAdd) {\n\t\t\tconst context = (this._ghostContainer._display.getLayer() as CanvasLayer).context;\n\t\t\tconst y = Math.round(boundsToAdd.top);\n\t\t\tconst x = Math.round(boundsToAdd.left);\n\t\t\tconst w = Math.round(boundsToAdd.right - boundsToAdd.left);\n\t\t\tconst h = Math.round(boundsToAdd.bottom - boundsToAdd.top);\n\n\t\t\tconst imageData = context.getImageData(x, y, w, h).data;\n\t\t\tconst buffer = this._buffer;\n\n\t\t\tlet n = 3;\n\t\t\tfor (let r = y; r < y + h; r++) {\n\t\t\t\tfor (let c = x; c < x + w; c++) {\n\t\t\t\t\tlet i = ((r + 1) * cols - (cols - c));\n\t\t\t\t\tif (imageData[n] != 0) {\n\t\t\t\t\t\tbuffer[i] = 1;\n\t\t\t\t\t}\n\t\t\t\t\tn += 4;\n\t\t\t\t}\n\t\t\t}\n\t\t\tthis._boundsToAdd = undefined;\n\t\t}\n\n\t\tif (this._process && this.isDirty(\"progress\")) {\n\t\t\tthis._processItem();\n\t\t}\n\t}\n\n\tprotected _processItem() {\n\t\tthis._boundsToAdd = undefined;\n\n\t\tif (this._currentIndex < this.dataItems.length) {\n\t\t\tconst dataItem = this.dataItems[this._currentIndex];\n\t\t\tconst label = dataItem.get(\"label\");\n\t\t\tconst ghostLabel = dataItem.get(\"ghostLabel\");\n\n\t\t\tconst resolution = this._root._renderer.resolution;\n\n\t\t\tlet lw = ghostLabel.width();\n\t\t\tlet lh = ghostLabel.height();\n\n\t\t\tconst context = (ghostLabel._display.getLayer() as CanvasLayer).context;\n\t\t\tconst set = dataItem.get(\"set\");\n\n\t\t\tconst points = this._pointSets[set];\n\n\t\t\tconst w = this.innerWidth();\n\t\t\tconst h = this.innerHeight();\n\n\t\t\tconst cols = Math.round(this._root.width() * resolution);\n\n\t\t\tconst x = this.x();\n\t\t\tconst y = this.y();\n\n\t\t\tconst angles = this.get(\"angles\", [0]);\n\t\t\tif (w > h) {\n\t\t\t\tif (lw >= w / 2) {\n\t\t\t\t\t$array.each(angles, (angle) => {\n\t\t\t\t\t\tif (angle == 0 && dataItem.get(\"angle\") != 0) {\n\t\t\t\t\t\t\tdataItem.setRaw(\"angle\", 0);\n\t\t\t\t\t\t\tghostLabel.set(\"rotation\", 0);\n\t\t\t\t\t\t\t[lw, lh] = [lh, lw];\n\t\t\t\t\t\t}\n\t\t\t\t\t})\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (h > w) {\n\t\t\t\tif (lw >= w / 2) {\n\t\t\t\t\t$array.each(angles, (angle) => {\n\t\t\t\t\t\tif (Math.abs(angle) == 90 && dataItem.get(\"angle\") == 0) {\n\t\t\t\t\t\t\tdataItem.setRaw(\"angle\", angle);\n\t\t\t\t\t\t\tghostLabel.set(\"rotation\", angle);\n\t\t\t\t\t\t\t[lw, lh] = [lh, lw];\n\t\t\t\t\t\t}\n\t\t\t\t\t})\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst rw = Math.ceil(lw * resolution);\n\t\t\tconst rh = Math.ceil(lh * resolution);\n\n\t\t\tif (context && lw > 0 && lh > 0) {\n\t\t\t\tlet pIndex = Math.round(Math.random() * points.length * this.get(\"randomness\", 0));\n\n\t\t\t\tlet intersects = true;\n\n\t\t\t\twhile (intersects) {\n\n\t\t\t\t\tlet p = points[pIndex];\n\t\t\t\t\tif (p) {\n\t\t\t\t\t\tintersects = false;\n\n\t\t\t\t\t\tif (this._currentIndex > 0) {\n\t\t\t\t\t\t\tlet cx = Math.round((p.x + x) * resolution - rw / 2);\n\t\t\t\t\t\t\tlet cy = Math.round((p.y + y) * resolution - rh / 2);\n\t\t\t\t\t\t\tintersects = this._hasColor(cx, cy, rw, rh, cols);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif (p.x - lw / 2 < 0 || p.x + lw / 2 > w || p.y - lh / 2 < 0 || p.y + lh / 2 > h) {\n\t\t\t\t\t\t\tpIndex++;\n\t\t\t\t\t\t\tintersects = true;\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tif (!intersects) {\n\t\t\t\t\t\t\t\tconst angle = dataItem.get(\"angle\", 0);\n\t\t\t\t\t\t\t\tconst fontSize = dataItem.get(\"fontSize\", 0);\n\t\t\t\t\t\t\t\tif (label.get(\"x\") != -999999) {\n\t\t\t\t\t\t\t\t\tlabel.animate({ key: \"x\", to: p.x, duration: this.get(\"animationDuration\", 0), easing: this.get(\"animationEasing\") })\n\t\t\t\t\t\t\t\t\tlabel.animate({ key: \"y\", to: p.y, duration: this.get(\"animationDuration\", 0), easing: this.get(\"animationEasing\") })\n\t\t\t\t\t\t\t\t\tlabel.animate({ key: \"rotation\", to: angle, duration: this.get(\"animationDuration\", 0), easing: this.get(\"animationEasing\") })\n\t\t\t\t\t\t\t\t\tlabel.animate({ key: \"fontSize\", to: fontSize, duration: this.get(\"animationDuration\", 0), easing: this.get(\"animationEasing\") })\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\telse {\n\t\t\t\t\t\t\t\t\tlabel.setAll({ x: p.x, y: p.y, rotation: angle, fontSize: fontSize });\n\t\t\t\t\t\t\t\t\tlabel.appear();\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\tghostLabel.setAll({ x: p.x, y: p.y });\n\n\t\t\t\t\t\t\t\tfor (let i = points.length - 1; i >= 0; i--) {\n\t\t\t\t\t\t\t\t\tlet point = points[i]\n\t\t\t\t\t\t\t\t\tif (point.x >= p.x - lw / 2 && point.x <= p.x + lw / 2 && point.y >= p.y - lh / 2 && point.y <= p.y + lh / 2) {\n\t\t\t\t\t\t\t\t\t\tpoints.splice(i, 1);\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tthis._boundsToAdd = { left: (p.x + x - lw / 2) * resolution, right: (p.x + x + lw / 2) * resolution, top: (p.y + y - lh / 2) * resolution, bottom: (p.y + y + lh / 2) * resolution };\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\telse {\n\t\t\t\t\t\t\t\tpIndex += 2;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tif (this.get(\"autoFit\")) {\n\t\t\t\t\t\t\tthis.setTimeout(() => {\n\t\t\t\t\t\t\t\tthis.setPrivate(\"adjustedFontSize\", this.getPrivate(\"adjustedFontSize\", 1) * 0.9);\n\t\t\t\t\t\t\t}, 50);\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tlabel.set(\"x\", -999999);\n\t\t\t\t\t\tintersects = false;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tthis._currentIndex++;\n\t\t}\n\t}\n\t/**\n* @ignore\n*/\n\tpublic disposeDataItem(dataItem: DataItem<this[\"_dataItemSettings\"]>) {\n\t\tsuper.disposeDataItem(dataItem);\n\t\tconst label = dataItem.get(\"label\");\n\t\tif (label) {\n\t\t\tthis.labels.removeValue(label);\n\t\t\tlabel.dispose();\n\t\t}\n\n\t\tconst ghostLabel = dataItem.get(\"ghostLabel\");\n\t\tif (ghostLabel) {\n\t\t\tthis.labels.removeValue(ghostLabel);\n\t\t\tghostLabel.dispose();\n\t\t}\n\t}\n\t/**\n* Extracts words and number of their appearances from a text.\n*\n* @ignore\n* @param  input  Source text\n*/\n\tprotected _getWords(input?: string): Array<{ category: string, value: number }> {\n\t\tlet words: Array<{ category: string, value: number }> = [];\n\n\t\tif (input) {\n\t\t\tconst chars = 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reg = new RegExp(\"([\" + chars + \"]+[\\-\" + chars + \"]*[\" + chars + \"]+)|([\" + chars + \"]+)\", \"ig\");\n\t\t\tlet res = input.match(reg);\n\t\t\tif (!res) {\n\t\t\t\treturn [];\n\t\t\t}\n\n\t\t\tlet word;\n\t\t\twhile (true) {\n\t\t\t\tword = res.pop();\n\n\t\t\t\tif (!word) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tlet item;\n\t\t\t\tfor (let i = 0; i < words.length; i++) {\n\t\t\t\t\tif (words[i].category.toLowerCase() == word.toLowerCase()) {\n\t\t\t\t\t\titem = words[i];\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tif (item) {\n\t\t\t\t\titem.value++;\n\t\t\t\t\tif (!this.isCapitalized(word)) {\n\t\t\t\t\t\titem.category = word;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\twords.push({\n\t\t\t\t\t\tcategory: word,\n\t\t\t\t\t\tvalue: 1\n\t\t\t\t\t})\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tlet excludeWords = this.get(\"excludeWords\");\n\n\t\t\tconst minValue = this.get(\"minValue\", 1);\n\t\t\tconst minWordLength = this.get(\"minWordLength\", 1);\n\n\t\t\tif (minValue > 1 || minWordLength > 1 || (excludeWords && excludeWords.length > 0)) {\n\t\t\t\tfor (let i = words.length - 1; i >= 0; i--) {\n\t\t\t\t\tlet w = words[i];\n\t\t\t\t\tlet word = w.category;\n\n\t\t\t\t\tif (w.value < minValue) {\n\t\t\t\t\t\twords.splice(i, 1);\n\t\t\t\t\t}\n\t\t\t\t\tif (word.length < minWordLength) {\n\t\t\t\t\t\twords.splice(i, 1);\n\t\t\t\t\t}\n\t\t\t\t\tif (excludeWords && excludeWords.indexOf(word) !== -1) {\n\t\t\t\t\t\twords.splice(i, 1);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\twords.sort(function (a, b) {\n\t\t\t\tif (a.value == b.value) {\n\t\t\t\t\treturn 0;\n\t\t\t\t}\n\t\t\t\telse if (a.value > b.value) {\n\t\t\t\t\treturn -1;\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\treturn 1;\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tconst maxCount = this.get(\"maxCount\", Infinity);\n\t\t\tif (words.length > maxCount) {\n\t\t\t\twords = words.slice(0, maxCount);\n\t\t\t}\n\t\t}\n\n\t\treturn words;\n\t}\n\t/**\n* Checks if word is capitalized (starts with an uppercase) or not.\n*\n* @ignore\n* @param   word  Word\n* @return        Capitalized?\n*/\n\tpublic isCapitalized(word: string): boolean {\n\t\tlet lword = word.toLowerCase();\n\t\treturn word[0] != lword[0]\n\t\t\t&& word.substr(1) == lword.substr(1)\n\t\t\t&& word != lword;\n\t}\n\n\tprotected _hasColor(x: number, y: number, w: number, h: number, cols: number): boolean {\n\t\tconst buffer = this._buffer;\n\t\tif (buffer) {\n\t\t\tfor (let r = y; r < y + h; r += 4) {\n\t\t\t\tfor (let c = x; c < x + w; c += 4) {\n\t\t\t\t\tlet i = ((r + 1) * cols - (cols - c));\n\t\t\t\t\tif (buffer[i] != 0) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn false\n\t}\n}\n","import * as m from \"./../../dist/es2015/wc.js\";\nexport const am5wc = 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