documentprocessing’s gists

documentprocessing / adding-images-to-pdf-in-javascript-using-pdfkit.js

Last active November 3, 2023 02:20

Create PDF documents, Add Images and Shapes to PDF & Create PDF Forms in JavaScript using pdfkit Library. Check for more details.

	// Include pdfkit library and fs module of Node.js
	const PDFDocument = require('pdfkit');
	const fs = require('fs');

	// Create a document
	const doc = new PDFDocument();

	// Pipe its output
	doc.pipe(fs.createWriteStream('pdfkit.pdf'));

Last active November 8, 2023 12:02

Create PDF & Add Content to PDF, Modify PDF Document and Create PDF Forms in JavaScript using pdf-lib Library. Check https://products.documentprocessing.com/editor/javascript/pdf-lib/ for more details.

	// Import required objects and functions from pdf-lib library
	import { PDFDocument, StandardFonts, rgb } from 'pdf-lib';

	// Import fs module from Node.js standard library
	import fs from 'fs/promises';

	// Asynchronously create a PDF document
	async function createPdf() {

	// Create a new PDF document

Last active November 15, 2023 11:53

Create PDF Documents with Tables, Images and Password-Protect your PDFs in JavaScript using pdfmake library. Check https://products.documentprocessing.com/editor/javascript/pdfmake/ for more details.

	// Import required modules from pdfmake library
	const pdfMake = require('pdfmake/build/pdfmake');
	const pdfFonts = require('pdfmake/build/vfs_fonts');

	// Import Node.js built-in fs module for file system operations
	const fs = require('fs');

	// Configure virtual file system of pdfMake
	pdfMake.vfs = pdfFonts.pdfMake.vfs;

Last active November 20, 2023 10:02

Convert HTML to PDF documents in Python using xhtml2pdf library. Check https://products.documentprocessing.com/conversion/python/xhtml2pdf/ for more details.

	# Import the pisa module from the xhtml2pdf library
	from xhtml2pdf import pisa

	# Import the BytesIO class from the io module
	from io import BytesIO

	# Open the HTML file for reading
	with open("file.html", "r", encoding="utf-8") as file:
	# Read the content of the file and store it as a string
	html_content = file.read()

documentprocessing / create-a-fallback-mechanism-using-pdfobject-library.html

Last active November 20, 2023 16:16

Embed PDFs in webpages using JavaScript with the PDFObject library. Check https://products.documentprocessing.com/viewer/javascript/pdfobject/ for more details.

	<!DOCTYPE html>
	<html lang="en">

	<head>

	<!-- Set the character set and viewport -->
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">

	<style>

documentprocessing / read-metadata-of-pdf-using-pypdf-library.py

Last active November 28, 2023 09:14

Read and update metadata of PDFs in Python using pypdf library. Check https://products.documentprocessing.com/metadata/python/pypdf/ for more details.


	# Import PdfReader module from the pypdf library
	from pypdf import PdfReader

	# Create a PdfReader object and load the input PDF file
	reader = PdfReader("meta-pdf.pdf")

	# Reading metadata
	meta = reader.metadata

documentprocessing / edit-metadata-of-pdf-using-pdf-lib-library.js

Last active November 28, 2023 09:14

Read and edit metadata of PDF documents in JavaScript using pdf-lib library. Check https://products.documentprocessing.com/metadata/javascript/pdf-lib/ for more details.

	// Import necessary modules from 'pdf-lib'
	import { PDFDocument } from 'pdf-lib';

	// Import 'fs/promises' for file system operations
	import fs from 'fs/promises';

	// Function to set metadata of a PDF document
	async function setMetadata(pdfDoc) {

	// Change the Metadata of the PDF Document

documentprocessing / add-link-annotation-to-pdf-using-pypdf-library.py

Last active November 28, 2023 09:14

Add and extract annotations from PDF documents using pypdf library. Check https://products.documentprocessing.com/annotation/python/pypdf/ for more details.

	# Import necessary classes and modules from the pypdf library
	from pypdf import PdfReader, PdfWriter
	from pypdf.annotations import Link, Rectangle

	# Read the existing PDF file named "documentprocessing.pdf"
	reader = PdfReader("documentprocessing.pdf")

	# Get the first page of the PDF
	page = reader.pages[0]

Created November 24, 2023 15:42

Edit Word Documents (.docx) using python-docx library. Check [URL] for more details.

	# Import necessary modules from the python-docx library
	from docx import Document
	from docx.shared import Pt
	from docx.enum.table import WD_CELL_VERTICAL_ALIGNMENT

	# Create a new Document object
	doc = Document()

	# Add a title to the document
	title = doc.add_heading('Table Handling Example', level=1)

documentprocessing / add-a-watermark-using-react-pdf-viewer-library.js

Created December 1, 2023 10:35

Render PDFs in React Web Applications. Check [URL] for more details.

	// Import necessary dependencies from React and react-pdf-viewer library
	import React from 'react';
	import { Viewer, SpecialZoomLevel, Worker } from '@react-pdf-viewer/core';
	import '@react-pdf-viewer/core/lib/styles/index.css';

	// Functional component for rendering a PDF with a watermark
	const WaterMarkExample = ({ fileUrl }) => {

	// Custom rendering function for each page
	const renderPage = (props) => (

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