INTRODUCTION

This module allows for the integration of a Signature Pad, an electronic signing script, into Backdrop CMS for both nodes (content) and the Field API (FAPI).

• To submit bug reports and feature suggestions, or to track changes: https://github.com/backdrop-contrib/esign/issues

CONTENTS OF THIS FILE

• Introduction
• Requirements
• Recommended modules
• Installation
• Configuration
• Troubleshooting
• FAQ
• Maintainers

REQUIREMENTS

It requires the following third-party library:

• Signature Pad 4.1.7+ https://github.com/szimek/signature_pad Loaded via CDN

RECOMMENDED MODULES

None

INSTALLATION

Install this module using the official Backdrop CMS instructions at https://docs.backdropcms.org/documentation/extend-with-modules

CONFIGURATION

• For content, you can change the options within the field settings.

  • For FAPI, you can change the field options by setting the '#esign_options' parameter, and using the following keys in an associative array:

  • dotSize (default: 1)

  • minWidth (default: 0.5)

  • maxWidth (default: 2.5)

  • backgroundColor (default: 'rgba(0,0,0,0)')

  • penColor (default: 'rgba(0,0,0,1)')

  • velocityFilterWeight (default: 0.7)

TROUBLESHOOTING

• If the signature field does not display, check the following:

  • Did you set the field to display?

  • Does your CSS allow the field to display?

FAQ

Q: The signature field isn't working!

A: Please make sure you're using the correct version of Signature Pad.

Current Maintainer(s):

• Steve Moorhouse (albanycomputers) https://github.com/albanycomputers
• Seeking additional maintainers and contributors.

Sponsorship:

• Albany Computer Services - https://www.albany-computers.co.uk
• Albany Web Design - https://www.albanywebdesign.co.uk
• Albany Hosting - https://www.albany-hosting.co.uk

License

This project is GPL v2 software. See the LICENSE.txt file in this directory for complete text.

Credits:

• Github repo https://github.com/szimek/signature_pad Signature Pad is a JavaScript library for drawing smooth signatures. It's HTML5 canvas based and uses variable width Bézier curve interpolation based on Smoother Signatures post by Square. It works in all modern desktop and mobile browsers and doesn't depend on any external libraries.

• Adam Weiss (greatmatter) - https://www.drupal.org/u/greatmatter

Original project was sponsored by:

• Great Matter We create the software you need most. Specializing in Drupal-based systems, Great Matter designs, develops, and supports amazing software solutions for the most complicated needs. Visit https://www.greatmatter.com for more information.