/** * @licstart The following is the entire license notice for the * Javascript code in this page * * Copyright 2017 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'; var _domstubs = require('../../examples/node/domstubs'); var _test_utils = require('./test_utils'); var _api = require('../../display/api'); var _is_node = require('../../shared/is_node'); var _is_node2 = _interopRequireDefault(_is_node); var _util = require('../../shared/util'); var _svg = require('../../display/svg'); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var XLINK_NS = 'http://www.w3.org/1999/xlink'; function withZlib(isZlibRequired, callback) { if (isZlibRequired) { if (!(0, _is_node2.default)()) { throw new Error('zlib test can only be run in Node.js'); } return callback(); } if (!(0, _is_node2.default)()) { return callback(); } var zlib = require('zlib'); var deflateSync = zlib.deflateSync; zlib.deflateSync = disabledDeflateSync; function disabledDeflateSync() { throw new Error('zlib.deflateSync is explicitly disabled for testing.'); } function restoreDeflateSync() { if (zlib.deflateSync === disabledDeflateSync) { zlib.deflateSync = deflateSync; } } var promise = callback(); promise.then(restoreDeflateSync, restoreDeflateSync); return promise; } describe('SVGGraphics', function () { var loadingTask; var page; beforeAll(function (done) { loadingTask = (0, _api.getDocument)((0, _test_utils.buildGetDocumentParams)('xobject-image.pdf', { nativeImageDecoderSupport: _util.NativeImageDecoding.DISPLAY })); loadingTask.promise.then(function (doc) { doc.getPage(1).then(function (firstPage) { page = firstPage; done(); }); }); }); afterAll(function (done) { loadingTask.destroy().then(done); }); describe('paintImageXObject', function () { function getSVGImage() { var svgGfx; return page.getOperatorList().then(function (opList) { var forceDataSchema = true; svgGfx = new _svg.SVGGraphics(page.commonObjs, page.objs, forceDataSchema); return svgGfx.loadDependencies(opList); }).then(function () { var svgImg; var elementContainer = { appendChild: function appendChild(element) { svgImg = element; } }; var xobjectObjId = 'img_p0_1'; if ((0, _is_node2.default)()) { (0, _domstubs.setStubs)(global); } try { var imgData = svgGfx.objs.get(xobjectObjId); svgGfx.paintInlineImageXObject(imgData, elementContainer); } finally { if ((0, _is_node2.default)()) { (0, _domstubs.unsetStubs)(global); } } return svgImg; }); } it('should fail require("zlib") unless in Node.js', function () { function testFunc() { require('zlib'); } expect(testFunc.toString()).toMatch(/\srequire\(["']zlib["']\)/); if ((0, _is_node2.default)()) { expect(testFunc).not.toThrow(); } else { expect(testFunc).toThrow(); } }); it('should produce a reasonably small svg:image', function (done) { if (!(0, _is_node2.default)()) { pending('zlib.deflateSync is not supported in non-Node environments.'); } withZlib(true, getSVGImage).then(function (svgImg) { expect(svgImg.nodeName).toBe('svg:image'); expect(svgImg.getAttributeNS(null, 'width')).toBe('200px'); expect(svgImg.getAttributeNS(null, 'height')).toBe('100px'); var imgUrl = svgImg.getAttributeNS(XLINK_NS, 'href'); expect(imgUrl).toMatch(/^data:image\/png;base64,/); expect(imgUrl.length).toBeLessThan(367); }).then(done, done.fail); }); it('should be able to produce a svg:image without zlib', function (done) { withZlib(false, getSVGImage).then(function (svgImg) { expect(svgImg.nodeName).toBe('svg:image'); expect(svgImg.getAttributeNS(null, 'width')).toBe('200px'); expect(svgImg.getAttributeNS(null, 'height')).toBe('100px'); var imgUrl = svgImg.getAttributeNS(XLINK_NS, 'href'); expect(imgUrl).toMatch(/^data:image\/png;base64,/); expect(imgUrl.length).toBe(80246); }).then(done, done.fail); }); }); });