lib-font/src/opentype/tables/simple/hhea.js

A JS based OpenType font inspector

import { SimpleTable } from "../simple-table.js";

/**
 * The OpenType `hhea` table.
 *
 * See https://docs.microsoft.com/en-us/typography/opentype/spec/hhea
 */
class hhea extends SimpleTable {
  constructor(dict, dataview) {
    const { p } = super(dict, dataview);

    this.majorVersion = p.uint16;
    this.minorVersion = p.uint16;
    this.ascender = p.fword;
    this.descender = p.fword;
    this.lineGap = p.fword;
    this.advanceWidthMax = p.ufword;
    this.minLeftSideBearing = p.fword;
    this.minRightSideBearing = p.fword;
    this.xMaxExtent = p.fword;
    this.caretSlopeRise = p.int16;
    this.caretSlopeRun = p.int16;
    this.caretOffset = p.int16;
    p.int16;
    p.int16;
    p.int16;
    p.int16;
    this.metricDataFormat = p.int16;
    this.numberOfHMetrics = p.uint16;

    p.verifyLength();
  }
}

export { hhea };