pdf-lib
Version:
Create and modify PDF files with JavaScript
780 lines (779 loc) • 33.6 kB
TypeScript
import PDFEmbeddedPage from "./PDFEmbeddedPage";
import PDFFont from "./PDFFont";
import PDFImage from "./PDFImage";
import PDFPage from "./PDFPage";
import PDFForm from "./form/PDFForm";
import { StandardFonts } from "./StandardFonts";
import { PageBoundingBox, PDFCatalog, PDFContext } from "../core";
import { AttachmentOptions, SaveOptions, Base64SaveOptions, LoadOptions, CreateOptions, EmbedFontOptions, SetTitleOptions } from "./PDFDocumentOptions";
import PDFRef from "../core/objects/PDFRef";
import { Fontkit } from "../types/fontkit";
import { TransformationMatrix } from "../types/matrix";
/**
* Represents a PDF document.
*/
export default class PDFDocument {
/**
* Load an existing [[PDFDocument]]. The input data can be provided in
* multiple formats:
*
* | Type | Contents |
* | ------------- | ------------------------------------------------------ |
* | `string` | A base64 encoded string (or data URI) containing a PDF |
* | `Uint8Array` | The raw bytes of a PDF |
* | `ArrayBuffer` | The raw bytes of a PDF |
*
* For example:
* ```js
* import { PDFDocument } from 'pdf-lib'
*
* // pdf=string
* const base64 =
* 'JVBERi0xLjcKJYGBgYEKCjUgMCBvYmoKPDwKL0ZpbHRlciAvRmxhdGVEZWNvZGUKL0xlbm' +
* 'd0aCAxMDQKPj4Kc3RyZWFtCniccwrhMlAAwaJ0Ln2P1Jyy1JLM5ERdc0MjCwUjE4WQNC4Q' +
* '6cNlCFZkqGCqYGSqEJLLZWNuYGZiZmbkYuZsZmlmZGRgZmluDCQNzc3NTM2NzdzMXMxMjQ' +
* 'ztFEKyuEK0uFxDuAAOERdVCmVuZHN0cmVhbQplbmRvYmoKCjYgMCBvYmoKPDwKL0ZpbHRl' +
* 'ciAvRmxhdGVEZWNvZGUKL1R5cGUgL09ialN0bQovTiA0Ci9GaXJzdCAyMAovTGVuZ3RoID' +
* 'IxNQo+PgpzdHJlYW0KeJxVj9GqwjAMhu/zFHkBzTo3nCCCiiKIHPEICuJF3cKoSCu2E8/b' +
* '20wPIr1p8v9/8kVhgilmGfawX2CGaVrgcAi0/bsy0lrX7IGWpvJ4iJYEN3gEmrrGBlQwGs' +
* 'HHO9VBX1wNrxAqMX87RBD5xpJuddqwd82tjAHxzV1U5LPgy52DKXWnr1Lheg+j/c/pzGVr' +
* 'iqV0VlwZPXGPCJjElw/ybkwUmeoWgxesDXGhHJC/D/iikp1Av80ptKU0FdBEe25pPihAM1' +
* 'u6ytgaaWfs2Hrz35CJT1+EWmAKZW5kc3RyZWFtCmVuZG9iagoKNyAwIG9iago8PAovU2l6' +
* 'ZSA4Ci9Sb290IDIgMCBSCi9GaWx0ZXIgL0ZsYXRlRGVjb2RlCi9UeXBlIC9YUmVmCi9MZW' +
* '5ndGggMzgKL1cgWyAxIDIgMiBdCi9JbmRleCBbIDAgOCBdCj4+CnN0cmVhbQp4nBXEwREA' +
* 'EBAEsCwz3vrvRmOOyyOoGhZdutHN2MT55fIAVocD+AplbmRzdHJlYW0KZW5kb2JqCgpzdG' +
* 'FydHhyZWYKNTEwCiUlRU9G'
*
* const dataUri = 'data:application/pdf;base64,' + base64
*
* const pdfDoc1 = await PDFDocument.load(base64)
* const pdfDoc2 = await PDFDocument.load(dataUri)
*
* // pdf=Uint8Array
* import fs from 'fs'
* const uint8Array = fs.readFileSync('with_update_sections.pdf')
* const pdfDoc3 = await PDFDocument.load(uint8Array)
*
* // pdf=ArrayBuffer
* const url = 'https://pdf-lib.js.org/assets/with_update_sections.pdf'
* const arrayBuffer = await fetch(url).then(res => res.arrayBuffer())
* const pdfDoc4 = await PDFDocument.load(arrayBuffer)
*
* ```
*
* @param pdf The input data containing a PDF document.
* @param options The options to be used when loading the document.
* @returns Resolves with a document loaded from the input.
*/
static load(pdf: string | Uint8Array | ArrayBuffer, options?: LoadOptions): Promise<PDFDocument>;
/**
* Create a new [[PDFDocument]].
* @returns Resolves with the newly created document.
*/
static create(options?: CreateOptions): Promise<PDFDocument>;
/** The low-level context of this document. */
readonly context: PDFContext;
/** The catalog of this document. */
readonly catalog: PDFCatalog;
/** Whether or not this document is encrypted. */
readonly isEncrypted: boolean;
/** The default word breaks used in PDFPage.drawText */
defaultWordBreaks: string[];
private fontkit?;
private pageCount;
private readonly pageCache;
private readonly pageMap;
private readonly formCache;
private readonly fonts;
private readonly images;
private readonly embeddedPages;
private readonly embeddedFiles;
private readonly javaScripts;
private constructor();
/**
* Register a fontkit instance. This must be done before custom fonts can
* be embedded. See [here](https://github.com/Hopding/pdf-lib/tree/master#fontkit-installation)
* for instructions on how to install and register a fontkit instance.
*
* > You do **not** need to call this method to embed standard fonts.
*
* For example:
* ```js
* import { PDFDocument } from 'pdf-lib'
* import fontkit from '@pdf-lib/fontkit'
*
* const pdfDoc = await PDFDocument.create()
* pdfDoc.registerFontkit(fontkit)
* ```
*
* @param fontkit The fontkit instance to be registered.
*/
registerFontkit(fontkit: Fontkit): void;
/**
* Get the [[PDFForm]] containing all interactive fields for this document.
* For example:
* ```js
* const form = pdfDoc.getForm()
* const fields = form.getFields()
* fields.forEach(field => {
* const type = field.constructor.name
* const name = field.getName()
* console.log(`${type}: ${name}`)
* })
* ```
* @returns The form for this document.
*/
getForm(): PDFForm;
/**
* Get this document's title metadata. The title appears in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* const title = pdfDoc.getTitle()
* ```
* @returns A string containing the title of this document, if it has one.
*/
getTitle(): string | undefined;
/**
* Get this document's author metadata. The author appears in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* const author = pdfDoc.getAuthor()
* ```
* @returns A string containing the author of this document, if it has one.
*/
getAuthor(): string | undefined;
/**
* Get this document's subject metadata. The subject appears in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* const subject = pdfDoc.getSubject()
* ```
* @returns A string containing the subject of this document, if it has one.
*/
getSubject(): string | undefined;
/**
* Get this document's keywords metadata. The keywords appear in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* const keywords = pdfDoc.getKeywords()
* ```
* @returns A string containing the keywords of this document, if it has any.
*/
getKeywords(): string | undefined;
/**
* Get this document's creator metadata. The creator appears in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* const creator = pdfDoc.getCreator()
* ```
* @returns A string containing the creator of this document, if it has one.
*/
getCreator(): string | undefined;
/**
* Get this document's producer metadata. The producer appears in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* const producer = pdfDoc.getProducer()
* ```
* @returns A string containing the producer of this document, if it has one.
*/
getProducer(): string | undefined;
/**
* Get this document's creation date metadata. The creation date appears in
* the "Document Properties" section of most PDF readers. For example:
* ```js
* const creationDate = pdfDoc.getCreationDate()
* ```
* @returns A Date containing the creation date of this document,
* if it has one.
*/
getCreationDate(): Date | undefined;
/**
* Get this document's modification date metadata. The modification date
* appears in the "Document Properties" section of most PDF readers.
* For example:
* ```js
* const modification = pdfDoc.getModificationDate()
* ```
* @returns A Date containing the modification date of this document,
* if it has one.
*/
getModificationDate(): Date | undefined;
/**
* Set this document's title metadata. The title will appear in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* pdfDoc.setTitle('🥚 The Life of an Egg 🍳')
* ```
*
* To display the title in the window's title bar, set the
* `showInWindowTitleBar` option to `true` (works for _most_ PDF readers).
* For example:
* ```js
* pdfDoc.setTitle('🥚 The Life of an Egg 🍳', { showInWindowTitleBar: true })
* ```
*
* @param title The title of this document.
* @param options The options to be used when setting the title.
*/
setTitle(title: string, options?: SetTitleOptions): void;
/**
* Set this document's author metadata. The author will appear in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* pdfDoc.setAuthor('Humpty Dumpty')
* ```
* @param author The author of this document.
*/
setAuthor(author: string): void;
/**
* Set this document's subject metadata. The subject will appear in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* pdfDoc.setSubject('📘 An Epic Tale of Woe 📖')
* ```
* @param subject The subject of this document.
*/
setSubject(subject: string): void;
/**
* Set this document's keyword metadata. These keywords will appear in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* pdfDoc.setKeywords(['eggs', 'wall', 'fall', 'king', 'horses', 'men'])
* ```
* @param keywords An array of keywords associated with this document.
*/
setKeywords(keywords: string[]): void;
/**
* Set this document's creator metadata. The creator will appear in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* pdfDoc.setCreator('PDF App 9000 🤖')
* ```
* @param creator The creator of this document.
*/
setCreator(creator: string): void;
/**
* Set this document's producer metadata. The producer will appear in the
* "Document Properties" section of most PDF readers. For example:
* ```js
* pdfDoc.setProducer('PDF App 9000 🤖')
* ```
* @param producer The producer of this document.
*/
setProducer(producer: string): void;
/**
* Set this document's language metadata. The language will appear in the
* "Document Properties" section of some PDF readers. For example:
* ```js
* pdfDoc.setLanguage('en-us')
* ```
*
* @param language An RFC 3066 _Language-Tag_ denoting the language of this
* document, or an empty string if the language is unknown.
*/
setLanguage(language: string): void;
/**
* Set this document's creation date metadata. The creation date will appear
* in the "Document Properties" section of most PDF readers. For example:
* ```js
* pdfDoc.setCreationDate(new Date())
* ```
* @param creationDate The date this document was created.
*/
setCreationDate(creationDate: Date): void;
/**
* Set this document's modification date metadata. The modification date will
* appear in the "Document Properties" section of most PDF readers. For
* example:
* ```js
* pdfDoc.setModificationDate(new Date())
* ```
* @param modificationDate The date this document was last modified.
*/
setModificationDate(modificationDate: Date): void;
/**
* Get the number of pages contained in this document. For example:
* ```js
* const totalPages = pdfDoc.getPageCount()
* ```
* @returns The number of pages in this document.
*/
getPageCount(): number;
/**
* Get an array of all the pages contained in this document. The pages are
* stored in the array in the same order that they are rendered in the
* document. For example:
* ```js
* const pages = pdfDoc.getPages()
* pages[0] // The first page of the document
* pages[2] // The third page of the document
* pages[197] // The 198th page of the document
* ```
* @returns An array of all the pages contained in this document.
*/
getPages(): PDFPage[];
/**
* Get the page rendered at a particular `index` of the document. For example:
* ```js
* pdfDoc.getPage(0) // The first page of the document
* pdfDoc.getPage(2) // The third page of the document
* pdfDoc.getPage(197) // The 198th page of the document
* ```
* @returns The [[PDFPage]] rendered at the given `index` of the document.
*/
getPage(index: number): PDFPage;
/**
* Get an array of indices for all the pages contained in this document. The
* array will contain a range of integers from
* `0..pdfDoc.getPageCount() - 1`. For example:
* ```js
* const pdfDoc = await PDFDocument.create()
* pdfDoc.addPage()
* pdfDoc.addPage()
* pdfDoc.addPage()
*
* const indices = pdfDoc.getPageIndices()
* indices // => [0, 1, 2]
* ```
* @returns An array of indices for all pages contained in this document.
*/
getPageIndices(): number[];
/**
* Remove the page at a given index from this document. For example:
* ```js
* pdfDoc.removePage(0) // Remove the first page of the document
* pdfDoc.removePage(2) // Remove the third page of the document
* pdfDoc.removePage(197) // Remove the 198th page of the document
* ```
* Once a page has been removed, it will no longer be rendered at that index
* in the document.
* @param index The index of the page to be removed.
*/
removePage(index: number): void;
/**
* Add a page to the end of this document. This method accepts three
* different value types for the `page` parameter:
*
* | Type | Behavior |
* | ------------------ | ----------------------------------------------------------------------------------- |
* | `undefined` | Create a new page and add it to the end of this document |
* | `[number, number]` | Create a new page with the given dimensions and add it to the end of this document |
* | `PDFPage` | Add the existing page to the end of this document |
*
* For example:
* ```js
* // page=undefined
* const newPage = pdfDoc.addPage()
*
* // page=[number, number]
* import { PageSizes } from 'pdf-lib'
* const newPage1 = pdfDoc.addPage(PageSizes.A7)
* const newPage2 = pdfDoc.addPage(PageSizes.Letter)
* const newPage3 = pdfDoc.addPage([500, 750])
*
* // page=PDFPage
* const pdfDoc1 = await PDFDocument.create()
* const pdfDoc2 = await PDFDocument.load(...)
* const [existingPage] = await pdfDoc1.copyPages(pdfDoc2, [0])
* pdfDoc1.addPage(existingPage)
* ```
*
* @param page Optionally, the desired dimensions or existing page.
* @returns The newly created (or existing) page.
*/
addPage(page?: PDFPage | [number, number]): PDFPage;
/**
* Insert a page at a given index within this document. This method accepts
* three different value types for the `page` parameter:
*
* | Type | Behavior |
* | ------------------ | ------------------------------------------------------------------------------ |
* | `undefined` | Create a new page and insert it into this document |
* | `[number, number]` | Create a new page with the given dimensions and insert it into this document |
* | `PDFPage` | Insert the existing page into this document |
*
* For example:
* ```js
* // page=undefined
* const newPage = pdfDoc.insertPage(2)
*
* // page=[number, number]
* import { PageSizes } from 'pdf-lib'
* const newPage1 = pdfDoc.insertPage(2, PageSizes.A7)
* const newPage2 = pdfDoc.insertPage(0, PageSizes.Letter)
* const newPage3 = pdfDoc.insertPage(198, [500, 750])
*
* // page=PDFPage
* const pdfDoc1 = await PDFDocument.create()
* const pdfDoc2 = await PDFDocument.load(...)
* const [existingPage] = await pdfDoc1.copyPages(pdfDoc2, [0])
* pdfDoc1.insertPage(0, existingPage)
* ```
*
* @param index The index at which the page should be inserted (zero-based).
* @param page Optionally, the desired dimensions or existing page.
* @returns The newly created (or existing) page.
*/
insertPage(index: number, page?: PDFPage | [number, number]): PDFPage;
/**
* Copy pages from a source document into this document. Allows pages to be
* copied between different [[PDFDocument]] instances. For example:
* ```js
* const pdfDoc = await PDFDocument.create()
* const srcDoc = await PDFDocument.load(...)
*
* const copiedPages = await pdfDoc.copyPages(srcDoc, [0, 3, 89])
* const [firstPage, fourthPage, ninetiethPage] = copiedPages;
*
* pdfDoc.addPage(fourthPage)
* pdfDoc.insertPage(0, ninetiethPage)
* pdfDoc.addPage(firstPage)
* ```
* @param srcDoc The document from which pages should be copied.
* @param indices The indices of the pages that should be copied.
* @returns Resolves with an array of pages copied into this document.
*/
copyPages(srcDoc: PDFDocument, indices: number[]): Promise<PDFPage[]>;
/**
* Get a copy of this document.
*
* For example:
* ```js
* const srcDoc = await PDFDocument.load(...)
* const pdfDoc = await srcDoc.copy()
* ```
*
* > **NOTE:** This method won't copy all information over to the new
* > document (acroforms, outlines, etc...).
*
* @returns Resolves with a copy this document.
*/
copy(): Promise<PDFDocument>;
/**
* Add JavaScript to this document. The supplied `script` is executed when the
* document is opened. The `script` can be used to perform some operation
* when the document is opened (e.g. logging to the console), or it can be
* used to define a function that can be referenced later in a JavaScript
* action. For example:
* ```js
* // Show "Hello World!" in the console when the PDF is opened
* pdfDoc.addJavaScript(
* 'main',
* 'console.show(); console.println("Hello World!");'
* );
*
* // Define a function named "foo" that can be called in JavaScript Actions
* pdfDoc.addJavaScript(
* 'foo',
* 'function foo() { return "foo"; }'
* );
* ```
* See the [JavaScript for Acrobat API Reference](https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/js_api_reference.pdf)
* for details.
* @param name The name of the script. Must be unique per document.
* @param script The JavaScript to execute.
*/
addJavaScript(name: string, script: string): void;
/**
* Add an attachment to this document. Attachments are visible in the
* "Attachments" panel of Adobe Acrobat and some other PDF readers. Any
* type of file can be added as an attachment. This includes, but is not
* limited to, `.png`, `.jpg`, `.pdf`, `.csv`, `.docx`, and `.xlsx` files.
*
* The input data can be provided in multiple formats:
*
* | Type | Contents |
* | ------------- | -------------------------------------------------------------- |
* | `string` | A base64 encoded string (or data URI) containing an attachment |
* | `Uint8Array` | The raw bytes of an attachment |
* | `ArrayBuffer` | The raw bytes of an attachment |
*
* For example:
* ```js
* // attachment=string
* await pdfDoc.attach('/9j/4AAQSkZJRgABAQAAAQABAAD/2wBD...', 'cat_riding_unicorn.jpg', {
* mimeType: 'image/jpeg',
* description: 'Cool cat riding a unicorn! 🦄🐈🕶️',
* creationDate: new Date('2019/12/01'),
* modificationDate: new Date('2020/04/19'),
* })
* await pdfDoc.attach('data:image/jpeg;base64,/9j/4AAQ...', 'cat_riding_unicorn.jpg', {
* mimeType: 'image/jpeg',
* description: 'Cool cat riding a unicorn! 🦄🐈🕶️',
* creationDate: new Date('2019/12/01'),
* modificationDate: new Date('2020/04/19'),
* })
*
* // attachment=Uint8Array
* import fs from 'fs'
* const uint8Array = fs.readFileSync('cat_riding_unicorn.jpg')
* await pdfDoc.attach(uint8Array, 'cat_riding_unicorn.jpg', {
* mimeType: 'image/jpeg',
* description: 'Cool cat riding a unicorn! 🦄🐈🕶️',
* creationDate: new Date('2019/12/01'),
* modificationDate: new Date('2020/04/19'),
* })
*
* // attachment=ArrayBuffer
* const url = 'https://pdf-lib.js.org/assets/cat_riding_unicorn.jpg'
* const arrayBuffer = await fetch(url).then(res => res.arrayBuffer())
* await pdfDoc.attach(arrayBuffer, 'cat_riding_unicorn.jpg', {
* mimeType: 'image/jpeg',
* description: 'Cool cat riding a unicorn! 🦄🐈🕶️',
* creationDate: new Date('2019/12/01'),
* modificationDate: new Date('2020/04/19'),
* })
* ```
*
* @param attachment The input data containing the file to be attached.
* @param name The name of the file to be attached.
* @returns Resolves when the attachment is complete.
*/
attach(attachment: string | Uint8Array | ArrayBuffer, name: string, options?: AttachmentOptions): Promise<void>;
/**
* Embed a font into this document. The input data can be provided in multiple
* formats:
*
* | Type | Contents |
* | --------------- | ------------------------------------------------------- |
* | `StandardFonts` | One of the standard 14 fonts |
* | `string` | A base64 encoded string (or data URI) containing a font |
* | `Uint8Array` | The raw bytes of a font |
* | `ArrayBuffer` | The raw bytes of a font |
*
* For example:
* ```js
* // font=StandardFonts
* import { StandardFonts } from 'pdf-lib'
* const font1 = await pdfDoc.embedFont(StandardFonts.Helvetica)
*
* // font=string
* const font2 = await pdfDoc.embedFont('AAEAAAAVAQAABABQRFNJRx/upe...')
* const font3 = await pdfDoc.embedFont('data:font/opentype;base64,AAEAAA...')
*
* // font=Uint8Array
* import fs from 'fs'
* const font4 = await pdfDoc.embedFont(fs.readFileSync('Ubuntu-R.ttf'))
*
* // font=ArrayBuffer
* const url = 'https://pdf-lib.js.org/assets/ubuntu/Ubuntu-R.ttf'
* const ubuntuBytes = await fetch(url).then(res => res.arrayBuffer())
* const font5 = await pdfDoc.embedFont(ubuntuBytes)
* ```
* See also: [[registerFontkit]]
* @param font The input data for a font.
* @param options The options to be used when embedding the font.
* @returns Resolves with the embedded font.
*/
embedFont(font: StandardFonts | string | Uint8Array | ArrayBuffer, options?: EmbedFontOptions): Promise<PDFFont>;
/**
* Embed a standard font into this document.
* For example:
* ```js
* import { StandardFonts } from 'pdf-lib'
* const helveticaFont = pdfDoc.embedFont(StandardFonts.Helvetica)
* ```
* @param font The standard font to be embedded.
* @param customName The name to be used when embedding the font.
* @returns The embedded font.
*/
embedStandardFont(font: StandardFonts, customName?: string): PDFFont;
/**
* Embed a JPEG image into this document. The input data can be provided in
* multiple formats:
*
* | Type | Contents |
* | ------------- | ------------------------------------------------------------- |
* | `string` | A base64 encoded string (or data URI) containing a JPEG image |
* | `Uint8Array` | The raw bytes of a JPEG image |
* | `ArrayBuffer` | The raw bytes of a JPEG image |
*
* For example:
* ```js
* // jpg=string
* const image1 = await pdfDoc.embedJpg('/9j/4AAQSkZJRgABAQAAAQABAAD/2wBD...')
* const image2 = await pdfDoc.embedJpg('data:image/jpeg;base64,/9j/4AAQ...')
*
* // jpg=Uint8Array
* import fs from 'fs'
* const uint8Array = fs.readFileSync('cat_riding_unicorn.jpg')
* const image3 = await pdfDoc.embedJpg(uint8Array)
*
* // jpg=ArrayBuffer
* const url = 'https://pdf-lib.js.org/assets/cat_riding_unicorn.jpg'
* const arrayBuffer = await fetch(url).then(res => res.arrayBuffer())
* const image4 = await pdfDoc.embedJpg(arrayBuffer)
* ```
*
* @param jpg The input data for a JPEG image.
* @returns Resolves with the embedded image.
*/
embedJpg(jpg: string | Uint8Array | ArrayBuffer): Promise<PDFImage>;
/**
* Embed a PNG image into this document. The input data can be provided in
* multiple formats:
*
* | Type | Contents |
* | ------------- | ------------------------------------------------------------ |
* | `string` | A base64 encoded string (or data URI) containing a PNG image |
* | `Uint8Array` | The raw bytes of a PNG image |
* | `ArrayBuffer` | The raw bytes of a PNG image |
*
* For example:
* ```js
* // png=string
* const image1 = await pdfDoc.embedPng('iVBORw0KGgoAAAANSUhEUgAAAlgAAAF3...')
* const image2 = await pdfDoc.embedPng('data:image/png;base64,iVBORw0KGg...')
*
* // png=Uint8Array
* import fs from 'fs'
* const uint8Array = fs.readFileSync('small_mario.png')
* const image3 = await pdfDoc.embedPng(uint8Array)
*
* // png=ArrayBuffer
* const url = 'https://pdf-lib.js.org/assets/small_mario.png'
* const arrayBuffer = await fetch(url).then(res => res.arrayBuffer())
* const image4 = await pdfDoc.embedPng(arrayBuffer)
* ```
*
* @param png The input data for a PNG image.
* @returns Resolves with the embedded image.
*/
embedPng(png: string | Uint8Array | ArrayBuffer): Promise<PDFImage>;
/**
* Embed one or more PDF pages into this document.
*
* For example:
* ```js
* const pdfDoc = await PDFDocument.create()
*
* const sourcePdfUrl = 'https://pdf-lib.js.org/assets/with_large_page_count.pdf'
* const sourcePdf = await fetch(sourcePdfUrl).then((res) => res.arrayBuffer())
*
* // Embed page 74 of `sourcePdf` into `pdfDoc`
* const [embeddedPage] = await pdfDoc.embedPdf(sourcePdf, [73])
* ```
*
* See [[PDFDocument.load]] for examples of the allowed input data formats.
*
* @param pdf The input data containing a PDF document.
* @param indices The indices of the pages that should be embedded.
* @returns Resolves with an array of the embedded pages.
*/
embedPdf(pdf: string | Uint8Array | ArrayBuffer | PDFDocument, indices?: number[]): Promise<PDFEmbeddedPage[]>;
/**
* Embed a single PDF page into this document.
*
* For example:
* ```js
* const pdfDoc = await PDFDocument.create()
*
* const sourcePdfUrl = 'https://pdf-lib.js.org/assets/with_large_page_count.pdf'
* const sourceBuffer = await fetch(sourcePdfUrl).then((res) => res.arrayBuffer())
* const sourcePdfDoc = await PDFDocument.load(sourceBuffer)
* const sourcePdfPage = sourcePdfDoc.getPages()[73]
*
* const embeddedPage = await pdfDoc.embedPage(
* sourcePdfPage,
*
* // Clip a section of the source page so that we only embed part of it
* { left: 100, right: 450, bottom: 330, top: 570 },
*
* // Translate all drawings of the embedded page by (10, 200) units
* [1, 0, 0, 1, 10, 200],
* )
* ```
*
* @param page The page to be embedded.
* @param boundingBox
* Optionally, an area of the source page that should be embedded
* (defaults to entire page).
* @param transformationMatrix
* Optionally, a transformation matrix that is always applied to the embedded
* page anywhere it is drawn.
* @returns Resolves with the embedded pdf page.
*/
embedPage(page: PDFPage, boundingBox?: PageBoundingBox, transformationMatrix?: TransformationMatrix): Promise<PDFEmbeddedPage>;
/**
* Embed one or more PDF pages into this document.
*
* For example:
* ```js
* const pdfDoc = await PDFDocument.create()
*
* const sourcePdfUrl = 'https://pdf-lib.js.org/assets/with_large_page_count.pdf'
* const sourceBuffer = await fetch(sourcePdfUrl).then((res) => res.arrayBuffer())
* const sourcePdfDoc = await PDFDocument.load(sourceBuffer)
*
* const page1 = sourcePdfDoc.getPages()[0]
* const page2 = sourcePdfDoc.getPages()[52]
* const page3 = sourcePdfDoc.getPages()[73]
*
* const embeddedPages = await pdfDoc.embedPages([page1, page2, page3])
* ```
*
* @param page
* The pages to be embedded (they must all share the same context).
* @param boundingBoxes
* Optionally, an array of clipping boundaries - one for each page
* (defaults to entirety of each page).
* @param transformationMatrices
* Optionally, an array of transformation matrices - one for each page
* (each page's transformation will apply anywhere it is drawn).
* @returns Resolves with an array of the embedded pdf pages.
*/
embedPages(pages: PDFPage[], boundingBoxes?: (PageBoundingBox | undefined)[], transformationMatrices?: (TransformationMatrix | undefined)[]): Promise<PDFEmbeddedPage[]>;
/**
* > **NOTE:** You shouldn't need to call this method directly. The [[save]]
* > and [[saveAsBase64]] methods will automatically ensure that all embedded
* > assets are flushed before serializing the document.
*
* Flush all embedded fonts, PDF pages, and images to this document's
* [[context]].
*
* @returns Resolves when the flush is complete.
*/
flush(): Promise<void>;
/**
* Serialize this document to an array of bytes making up a PDF file.
* For example:
* ```js
* const pdfBytes = await pdfDoc.save()
* ```
*
* There are a number of things you can do with the serialized document,
* depending on the JavaScript environment you're running in:
* * Write it to a file in Node or React Native
* * Download it as a Blob in the browser
* * Render it in an `iframe`
*
* @param options The options to be used when saving the document.
* @returns Resolves with the bytes of the serialized document.
*/
save(options?: SaveOptions): Promise<Uint8Array>;
/**
* Serialize this document to a base64 encoded string or data URI making up a
* PDF file. For example:
* ```js
* const base64String = await pdfDoc.saveAsBase64()
* base64String // => 'JVBERi0xLjcKJYGBgYEKC...'
*
* const base64DataUri = await pdfDoc.saveAsBase64({ dataUri: true })
* base64DataUri // => 'data:application/pdf;base64,JVBERi0xLjcKJYGBgYEKC...'
* ```
*
* @param options The options to be used when saving the document.
* @returns Resolves with a base64 encoded string or data URI of the
* serialized document.
*/
saveAsBase64(options?: Base64SaveOptions): Promise<string>;
findPageForAnnotationRef(ref: PDFRef): PDFPage | undefined;
private embedAll;
private updateInfoDict;
private getInfoDict;
private assertFontkit;
private computePages;
private getOrCreateForm;
}
//# sourceMappingURL=PDFDocument.d.ts.map