Category : WP TCPDF Bridge

Full PDF barcode support for TCPDF Bridge

It’s pretty easy to create a QR code that opens a PDF. Google that and you’ll find a million results. But it’s a little trickier to add a QR code to an existing PDF. The TCPDF Bridge WordPress plugin can do that now! We’ve added settings to the TCPDF Bridge plugin settings panel to make adding different barcode types (including QR codes) to your PDFs, whether for retail, pharmacy, or industrial purposes. Since the plugin allows you to accept some user input before your PDF file is downloaded, you can even include that data in your barcode! Completely customized barcodes added on-the-fly to your PDFs, as they are downloaded… that’s pretty cool 😎 Here are the types of barcodes supported by TCPDF Bridge: CODE 39. Also called Alpha39, Code 3 of 9, Code 3/9, Type 39, USS Code 39, or continue reading…

Invisible Watermarks and Other Ways to Protect Your PDFs

PDFs are a fantastic way to share documents – they preserve formatting, are widely compatible, and can even be compressed for easy transmission. But what if that PDF contains sensitive or monetized information? The Portable Document Format (PDF) offers some security, which when stacked can be quite effective. These include: Watermarks. Adding content to a PDF, especially content customized to the end-user (such as their name and other personally-identifying information like phone/email, can not only personalize a PDF, but also thwart unauthorized sharing. Keep reading to find out how to make your watermarks most effective against PDF theft. Encryption. Arcfour RC4, and the superior 128-bit key or 256-bit AES encryption Passwording. User and owner passwords can be set. An owner password gives the holder full control over the PDF, including the ability to remove passwording entirely — share with caution! continue reading…

Selling Customized Gift Certificates: A Case Study

When it’s impossible to have customers in the store and clients face-to-face, how can money be made? One fairly obvious, and earnest-enough, method is by selling your reputation on paper: gift certificates and gift vouchers. For many businesses there is a real opportunity for income here. And many (future) loyal customers understand that purchasing gift certificates is a way to support businesses right now. They know that by making these purchases, when the Great Shutdown begins to heal, their community might look closer to how it did in 2019.

Brazilian Shops can Watermark CPF

You can add your own shortcodes to WaterWoo PDF Premium for on-the-fly customized watermarks. One request from a Brazilian customer was for a shortcode for the Cadastro de Pessoas Físicas (CPF). This is a taxpayer identification number all citizens of Brazil must use to shop online within Brasil. We created the shortcode [BILLING_CPF] to import any customer’s CPF number into their watermarked (personalized) PDF. Here is the code to add to a (child) theme functions.php file: function fetch_custom_checkout_field( $input, $order_id, $product_id ) { // first we need to get the order object from the order id // you can get a lot of info from the order object ( $order in this case) $order = wc_get_order( $order_id ); // The CPF plugin stores CPFs in WooCommerce order meta, making it easy to fetch // you might want to do testing continue reading…

TCPDF Performances

Make sure to test your watermarking thoroughly before going live! TCPDF is a fallible third-party library which does its best to parse/understand and re-write your PDF with your desired changes (watermarks/encryption/etc), but it cannot possibly work on all PDFs and on all servers 100% of the time. Stay realistic, think carefully through the process, plan, and do your testing. PHP Version You should be running at least PHP version 5.6 for the plugin to work, but higher that for it to work WELL. WordPress recommends you run PHP version 7.2 or higher. Our plugins are PHP version 8.3 compatible, so don’t hesitate to upgrade after making backups. PHP 7.0 is twice as fast for WordPress as PHP 5.6, and processes demands much more efficiently! Updating the PHP version on your server is the first thing you should try if you’re continue reading…