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WaterMark PDF for WooCommerce - Stamp PDFs with Customer Data

开发者 littlepackage
更新时间 2024年10月19日 04:21
捐献地址: 去捐款
PHP版本: 7.2 及以上
WordPress版本: 6.6
版权: GPLv3 or later
版权网址: 版权信息

标签

woocommerce pdf password watermark stamp

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详情介绍:

Watermark PDF is a free plugin that adds a watermark to every page of your sold PDF file(s). It can also password and permissions protect your PDF file(s). The watermark is customizable with font face, font color, font size, placement, and text. Not only that, but since the watermark is added when the download button is clicked (either on the customer's order confirmation page or email), the watermark can include customer-specific data such as the customer's first name, last name, and email. Your watermark is highly customizable and manipulatable, practically magic! Upon WooCommerce purchase download link, this plugin uses the open source TCPDI and TCPDF libraries to customize your PDF. This process isn't fool-proof, but works well in many cases. You may encounter problems if your PDF is malformed (bad PDF syntax), encrypted, web-optimized, linearized, or if your server cannot handle the memory load of PDF processing. Please note you must have WooCommerce plugin installed and activated for this plugin to work. This plugin watermarks WooCommerce PDF products when downloaded using WooCommerce download links. If have a Wordpress site and need to watermark PDFs, but do not have WooCommerce, check out WP TCPDF Bridge. Features: Premium (paid) version features: The free version is enough for some people, but Watermark PDF for WooCommerce Premium offers helpful extra features in addition to free features: Check out the full-featured version of this plugin! WaterMark PDF is the only watermarker for Wordpress which includes necessary libraries (so you don't have to ask your host to load them), is compatible with PHP 7, and watermarks ALL versions of PDFs (not just older versions).

安装:

Minimum Requirements Please use the most recent version of all WordPress software - it's what we support! We recommend your host supports: To install plugin
  1. Upload the entire "waterwoo-pdf" folder to the "/wp-content/plugins/" directory.
  2. Activate the plugin through the "Plugins" menu in WordPress.
  3. Visit WooCommerce->Settings->Watermark tab to set your plugin preferences.
  4. Please test your watermarking by making mock purchases before going live to make sure it works and looks great!
  5. Note: for this to work you might need to have pretty URLs enabled from the WP settings. Otherwise a 404 error might be thrown.
To remove plugin:
  1. Deactivate plugin through the 'Plugins' menu in WordPress
  2. Delete plugin through the 'Plugins' menu in WordPress

升级注意事项:

3.0
  • The TCPDF library has been updated and this MIGHT break watermarking for certain PDFs. It is worth testing to make sure.

常见问题:

Something is wrong

  1. Is WooCommerce installed, and do you have a PDF product in your shop to watermark?
  2. Update WordPress, WooCommerce, and this plugin to the most recent versions. We recommend you set PHP max 8.2 because that is what TCPDF can handle. Try 8.3 and see if that works for you, though. Downgrade your PHP if needed.
  3. Have you checked the box at the top of your settings page (Woocommerce -> Settings -> Watermark) so that watermarking is enabled?
  4. Have you entered your PDF file names correctly in the second field if you've entered any at all?
  5. Is your Y fine-tuning adjustment off the page? Read more below under "Why does the watermark go off the page, create blank pages?".
  6. Go to WooCommerce -> Settings -> Watermark -> Error/event logging, turn logging on, and run the program again. Look at the logs.
  7. Check your WP debug logs (link to instructions below). If logs suggest your PDF is "goofy" or "template does not exist," try using Apple Preview application to resave your PDF by clicking "Export as PDF" in the menu. Preview might fix bad PDF syntax and allow your PDF to be processed for watermarking.
  8. It may also help to increase your PHP time limit and memory limits if they are set low. Server limitations can stop this plugin from functioning well.

Further things to try:

  1. Make sure your WooCommerce downloads work WITHOUT WaterWoo activated, to narrow the problem.
  2. Try watermarking a different PDF (one you didn't create). If your PDF has goofy syntax (and many do - correct PDF syntax is "optional" for some PDF builders), WaterWoo will not be able to read it. Look into using WooStamper instead
  3. Read through the support forum. Tip: it has a search feature! Your answer is probably there by now since this plugin has been around a long time. Please do get in touch with your issues via the Wordpress.org support forum before leaving negative feedback about this free plugin.
If requesting help using the Wordpress.org support forum, please state which versions Wordpress/WooCommerce/WaterMark PDF you are using, and what error messages if any you are seeing. You will find more detailed error messaging if you turn on Wordpress debugging. Screenshots and clear descriptions of the steps it takes to reproduce your problem are also very helpful. Please also make your support request TITLE descriptive. If the answer to your question can be found on this page, you might be waiting a while to hear from me, as I must prioritize support requests. Thanks for understanding. If you get the message "Sorry, we were unable to prepare this file for download," please check your WP debug logs for more details. Do not use the Wordpress.org support forum for help with the Premium (paid) version of WaterMark PDF - that is against Wordpress.org rules. Conversely, do not email us for support. Use the Wordpress.org support channel.

Where do I change watermark settings?

You can find the WaterMark PDF settings page by clicking on the "settings" link under the Watermark PDF for WooCommerce plugin title on your Wordpress plugins panel, or by navigating to the WooCommerce->Settings->Watermark tab.

My watermark isn’t English

Select the “Deja Vu,” “Furat,” or “M Sung” font in the plugin settings panel if your language uses accent characters and find out if one supports characters in your language. A primary reason watermarks do not show up is when the watermark contains special characters but a font which doesn’t support those characters is in use. If none of the included fonts are subsetted for your language characters, you will need to programmatically add fonts yourself or look into purchasing the Premium version of this plugin, which supports font uploads.

How do I test my watermark?

Maybe set your PDF to $0 (free) and "Privately Published". Or maybe create a coupon in your Woocommerce shop to allow 100% free purchases. Don't share this coupon code with anyone! Test your watermark by purchasing PDFs from your shop using the coupon. It's a bit more tedious. If you want an easier go of it (on-the-fly testing), purchase the Premium version of this plugin.

Why does the watermark go off the page, create blank pages?

Your watermark text string is too big or long for the page, and goes off it! Try decreasing font size or using the Y fine tuners to move the watermark back onto the page. Try lowering your "y-axis" value. This number corresponds to how many millimeters you want the watermark moved down the page. For example, if your PDF page is 11 inches tall, your Y-axis setting should be a deal less than 279.4mm in order for a watermark to show. The built-in adjustments on the settings page ultimately allow for watermarking on all document sizes. You may need to edit your watermark if it is too verbose. You can use a negative integer value for your Y-tuner and measure up from the bottom of the page. This is especially helpful if your PDF has variable sized pages.

Where do the watermarked files go?

They are generated with a unique name and stored in the same folder as your original Wordpress/Woo product media upload (usually wp-content/uploads/year/month/file). The unique name includes the order number and a time stamp. If your end user complains of not being able to access their custom PDF for some reason (most often after their max number of downloads is exceeded), you can find it in that folder, right alongside your original. If you are using Woo FORCED downloads, the plugin attempts to delete the watermarked files after being delivered. This isn't 100% reliable since it works on PHP shutdown. If you don't like attempted deletion, you can change it with the 'wwpdf_do_cleanup' filter hook (set it to FALSE).

Will Watermark PDF for WooCommerce watermark images?

Watermark PDF for WooCommerce is intended to watermark PDF (.pdf) files. If you are specifically looking to watermark image files (.jpg, .jpeg, .gif, .png, .etc), you may want to look into a plugin such as Image Watermark.

Does this work for ePub/Mobi files

No, sorry. This plugin is just for PDF files.

The plugin seems to break my PDF

This plugin bridges WooCommerce and the open-source PDF reading TCPDI and PDF writing TCPDF library. WaterMark PDF functions by parsing/reading your PDF into memory the best it can, then adding a watermark to the PDF syntax and outputting a revised file. Between the reading and output, certain features may be lost and other features (interactive PDF elements like internal links and fillable forms) will be lost. This is a limitation of the open-source third-party library used AND the wild-west nature of PDF syntax. It is not the fault of WaterWoo, which simply connects those libraries to WooCommerce. If you are serious about watermarking and/or encrypting complex PDF files, consider purchasing the best plugin available for your PDFs, PDF Stamper for WooCommerce. Ultimately, Watermark PDF for WooCommerce is best for simple, smaller-sized and well-formed PDFs.

Is there a fallback in case watermarking fails?

Yes, you can serve the file untouched if watermarking fails, and avoid any error messages, by using the following filter code in your (child) theme functions.php file: add_filter( 'wwpdf_serve_unwatermarked_file', '__return_true' ); If you do not know how to edit your functions.php file, you can use the Code Snippets plugin to easily add this code to your WP site frontend.

更新日志:

3.4 - 10 October 2024 3.3.8 - 10 October 2024 3.3.7 - 26 July 2024 3.3.6 - 26 July 2024 3.3.5 - 27 Nov 2023 3.3.4 - 14 Oct 2023 3.3.3 - 28 Aug 2023 3.3.2 - 28 July 2023 3.3.1 - 28 June 2023 3.3 - 9 June 2023