@arcgis/core
Version:
ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
6 lines (5 loc) • 715 B
JavaScript
/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{getTextHelperCanvas as t}from"./TextHelperCanvas.js";function e(e){const{size:c}=e.definition,a=e.fontString(c);let i=n.get(a);if(!i){const u=t(o,0,0).getContext("2d");e.setFontProperties(u,c);const x=u.measureText(r);i=new s(x.actualBoundingBoxAscent,x.actualBoundingBoxDescent),n.set(a,i)}return i}const n=new Map;class s{get maxHeight(){return this.maxAscent+this.maxDescent}constructor(t,e){this.maxAscent=t,this.maxDescent=e}}const o={canvas:null},r=(()=>{let t="";for(let e=32;e<127;e++)t+=String.fromCharCode(e);return t})();export{e as getFontMetrics};