pdfjs-dist/lib/display/node_utils.js

/**
 * @licstart The following is the entire license notice for the
 * JavaScript code in this page
 *
 * Copyright 2022 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * JavaScript code in this page
 */
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.NodeStandardFontDataFactory = exports.NodeCanvasFactory = exports.NodeCMapReaderFactory = void 0;
var _base_factory = require("./base_factory.js");
;
const fetchData = function (url) {
  return new Promise((resolve, reject) => {
    const fs = require("fs");
    fs.readFile(url, (error, data) => {
      if (error || !data) {
        reject(new Error(error));
        return;
      }
      resolve(new Uint8Array(data));
    });
  });
};
class NodeCanvasFactory extends _base_factory.BaseCanvasFactory {
  _createCanvas(width, height) {
    const Canvas = require("canvas");
    return Canvas.createCanvas(width, height);
  }
}
exports.NodeCanvasFactory = NodeCanvasFactory;
class NodeCMapReaderFactory extends _base_factory.BaseCMapReaderFactory {
  _fetchData(url, compressionType) {
    return fetchData(url).then(data => {
      return {
        cMapData: data,
        compressionType
      };
    });
  }
}
exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
class NodeStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory {
  _fetchData(url) {
    return fetchData(url);
  }
}
exports.NodeStandardFontDataFactory = NodeStandardFontDataFactory;