yanchengPowerSupply/node_modules/pdfjs-dist/lib/display/node_utils.js

80 lines
2.0 KiB
JavaScript

/**
* @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;