fonteditor-core/lib/ttf/util/compound2simpleglyf.js

fonts (ttf, woff, woff2, eot, svg, otf) parse, write, transform, glyph adjust.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = compound2simpleglyf;

var _transformGlyfContours = _interopRequireDefault(require("./transformGlyfContours"));

var _compound2simple = _interopRequireDefault(require("./compound2simple"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

/**
 * @file ttf复合字形转简单字形
 * @author mengke01(kekee000@gmail.com)
 */

/**
 * ttf复合字形转简单字形
 *
 * @param  {Object|number} glyf glyf对象或者glyf索引
 * @param  {Object} ttf ttfObject对象
 * @param  {boolean} recrusive 是否递归的进行转换，如果复合字形为嵌套字形，则转换每一个复合字形
 * @return {Object} 转换后的对象
 */
function compound2simpleglyf(glyf, ttf, recrusive) {
  var glyfIndex; // 兼容索引和对象传入

  if (typeof glyf === 'number') {
    glyfIndex = glyf;
    glyf = ttf.glyf[glyfIndex];
  } else {
    glyfIndex = ttf.glyf.indexOf(glyf);

    if (-1 === glyfIndex) {
      return glyf;
    }
  }

  if (!glyf.compound || !glyf.glyfs) {
    return glyf;
  }

  var contoursList = {};
  (0, _transformGlyfContours["default"])(glyf, ttf, contoursList, glyfIndex);

  if (recrusive) {
    Object.keys(contoursList).forEach(function (index) {
      (0, _compound2simple["default"])(ttf.glyf[index], contoursList[index]);
    });
  } else {
    (0, _compound2simple["default"])(glyf, contoursList[glyfIndex]);
  }

  return glyf;
}