Signature pad for pdf files

The HR Service Delivery application uses signature pad with onboarding documents like offer letters, background check approval, company policy acknowledgements, and more. An example of the code used to call a UI page or dialog box for the signature pad:. An example of the code used in a document after a signature has been accepted and a final PDF document is created:.

To activate signature pad in your application, activate the Signature Pad plugin [com. You can search for the plugin by its name or ID. If you cannot find a plugin, you might have to request it from ServiceNow personnel.

Enter more information. Hi, I would like to have the signoAPI free demo to test it. How can I obtain it? Hello, please contact info signotec. Furthermore please let us know for which operating system and programming language Windows, iOS, Linux, native Java etc. Thank you. Some pdf files are loaded very slowly and once signe [more] d they become up to 10 times larger in size even if there is only one signature. How can I solve this problem? Could it be due to how the original pdf adobe acrobat version was created?

Is there a new version of SignoAPI? I await your reply Sincerely Giorgio Calchi Novati. Demo works in desktop and mobile browsers. You can check out its source code for some tips on how to handle window resize and high DPI screens. You can add listeners to events with.

To correctly handle canvas on low and high DPI screens one has to take devicePixelRatio into account and scale the canvas accordingly. Here's an example how it can be done:. Instead of resize event you can listen to screen orientation change, if you're using this library only on mobile devices. You can also throttle the resize event - you can find some examples on this MDN page. When you modify width or height of a canvas, it will be automatically cleared by the browser.

SignaturePad doesn't know about it by itself, so you can call signaturePad. This clearing of the canvas by the browser can be annoying, especially on mobile devices e.

There are a few workarounds though, e. If you are not familiar with data URI scheme, you can read more about it on Wikipedia. You could simply store it in your database as a string and display it in HTML like this:.

If you'd like to remove trim empty space around a signature, you can do it on the server side or the client side. On the server side you can use e. ImageMagic and its trim option: convert -trim input.

If you don't have access to the server, or just want to trim the image before submitting it to the server, you can do it on the client side as well. There are a few examples how to do it, e. Released under the MIT License.

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