first commit
This commit is contained in:
84
node_modules/pdf-lib/cjs/api/PDFEmbeddedFile.js
generated
vendored
Normal file
84
node_modules/pdf-lib/cjs/api/PDFEmbeddedFile.js
generated
vendored
Normal file
@@ -0,0 +1,84 @@
|
||||
"use strict";
|
||||
Object.defineProperty(exports, "__esModule", { value: true });
|
||||
var tslib_1 = require("tslib");
|
||||
var core_1 = require("../core");
|
||||
/**
|
||||
* Represents a file that has been embedded in a [[PDFDocument]].
|
||||
*/
|
||||
var PDFEmbeddedFile = /** @class */ (function () {
|
||||
function PDFEmbeddedFile(ref, doc, embedder) {
|
||||
this.alreadyEmbedded = false;
|
||||
this.ref = ref;
|
||||
this.doc = doc;
|
||||
this.embedder = embedder;
|
||||
}
|
||||
/**
|
||||
* > **NOTE:** You probably don't need to call this method directly. The
|
||||
* > [[PDFDocument.save]] and [[PDFDocument.saveAsBase64]] methods will
|
||||
* > automatically ensure all embeddable files get embedded.
|
||||
*
|
||||
* Embed this embeddable file in its document.
|
||||
*
|
||||
* @returns Resolves when the embedding is complete.
|
||||
*/
|
||||
PDFEmbeddedFile.prototype.embed = function () {
|
||||
return tslib_1.__awaiter(this, void 0, void 0, function () {
|
||||
var ref, Names, EmbeddedFiles, EFNames, AF;
|
||||
return tslib_1.__generator(this, function (_a) {
|
||||
switch (_a.label) {
|
||||
case 0:
|
||||
if (!!this.alreadyEmbedded) return [3 /*break*/, 2];
|
||||
return [4 /*yield*/, this.embedder.embedIntoContext(this.doc.context, this.ref)];
|
||||
case 1:
|
||||
ref = _a.sent();
|
||||
if (!this.doc.catalog.has(core_1.PDFName.of('Names'))) {
|
||||
this.doc.catalog.set(core_1.PDFName.of('Names'), this.doc.context.obj({}));
|
||||
}
|
||||
Names = this.doc.catalog.lookup(core_1.PDFName.of('Names'), core_1.PDFDict);
|
||||
if (!Names.has(core_1.PDFName.of('EmbeddedFiles'))) {
|
||||
Names.set(core_1.PDFName.of('EmbeddedFiles'), this.doc.context.obj({}));
|
||||
}
|
||||
EmbeddedFiles = Names.lookup(core_1.PDFName.of('EmbeddedFiles'), core_1.PDFDict);
|
||||
if (!EmbeddedFiles.has(core_1.PDFName.of('Names'))) {
|
||||
EmbeddedFiles.set(core_1.PDFName.of('Names'), this.doc.context.obj([]));
|
||||
}
|
||||
EFNames = EmbeddedFiles.lookup(core_1.PDFName.of('Names'), core_1.PDFArray);
|
||||
EFNames.push(core_1.PDFHexString.fromText(this.embedder.fileName));
|
||||
EFNames.push(ref);
|
||||
/**
|
||||
* The AF-Tag is needed to achieve PDF-A3 compliance for embedded files
|
||||
*
|
||||
* The following document outlines the uses cases of the associated files (AF) tag.
|
||||
* See:
|
||||
* https://www.pdfa.org/wp-content/uploads/2018/10/PDF20_AN002-AF.pdf
|
||||
*/
|
||||
if (!this.doc.catalog.has(core_1.PDFName.of('AF'))) {
|
||||
this.doc.catalog.set(core_1.PDFName.of('AF'), this.doc.context.obj([]));
|
||||
}
|
||||
AF = this.doc.catalog.lookup(core_1.PDFName.of('AF'), core_1.PDFArray);
|
||||
AF.push(ref);
|
||||
this.alreadyEmbedded = true;
|
||||
_a.label = 2;
|
||||
case 2: return [2 /*return*/];
|
||||
}
|
||||
});
|
||||
});
|
||||
};
|
||||
/**
|
||||
* > **NOTE:** You probably don't want to call this method directly. Instead,
|
||||
* > consider using the [[PDFDocument.attach]] method, which will create
|
||||
* instances of [[PDFEmbeddedFile]] for you.
|
||||
*
|
||||
* Create an instance of [[PDFEmbeddedFile]] from an existing ref and embedder
|
||||
*
|
||||
* @param ref The unique reference for this file.
|
||||
* @param doc The document to which the file will belong.
|
||||
* @param embedder The embedder that will be used to embed the file.
|
||||
*/
|
||||
PDFEmbeddedFile.of = function (ref, doc, embedder) {
|
||||
return new PDFEmbeddedFile(ref, doc, embedder);
|
||||
};
|
||||
return PDFEmbeddedFile;
|
||||
}());
|
||||
exports.default = PDFEmbeddedFile;
|
||||
//# sourceMappingURL=PDFEmbeddedFile.js.map
|
||||
Reference in New Issue
Block a user