@amcharts/amcharts5/.internal/charts/wordcloud/WordCloudDefaultTheme.js

amCharts 5

import { Theme } from "../../core/Theme";
import { percent, p100, p50 } from "../../core/util/Percent";
import { Rectangle } from "../../core/render/Rectangle";
import * as $ease from "../../core/util/Ease";
/**
 * @ignore
 */
export class WordCloudDefaultTheme extends Theme {
    setupDefaultRules() {
        super.setupDefaultRules();
        const ic = this._root.interfaceColors;
        const r = this.rule.bind(this);
        r("WordCloud").setAll({
            width: p100,
            height: p100,
            minFontSize: percent(2),
            maxFontSize: percent(15),
            excludeWords: [],
            angles: [0, -90],
            minWordLength: 1,
            step: 15,
            randomness: 0,
            autoFit: true,
            // the whole layout is computed in one pass; sequencing the reveal
            // gives a staggered word-by-word appearance (15ms per word)
            sequencedInterpolation: true,
            sequencedDelay: 15,
            animationEasing: $ease.out($ease.cubic)
        });
        // the `svgPath` shape silhouette rendered behind the words: a faint
        // fill by default, user-styleable via `series.shape`
        r("Graphics", ["wordcloud", "shape"]).setAll({
            fill: ic.get("alternativeBackground"),
            fillOpacity: 0.1
        });
        {
            const rule = r("Label", ["wordcloud"]);
            rule.setAll({
                text: "{category}",
                centerX: p50,
                centerY: p50,
                position: "absolute",
                lineHeight: p100,
                populateText: true
            });
            rule.setup = (target) => {
                target.set("background", Rectangle.new(this._root, {
                    fill: ic.get("background"),
                    fillOpacity: 0
                }));
            };
        }
    }
}
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