Flutter widget to allow users to sign with finger and export the result as image.
This is a very simple widget that allow drawing by finger on a widget and be able to get the image back.
For very basic usage, please check the example file here
Signature(
color: Colors.black,// Color of the drawing path
strokeWidth: 5.0, // with
backgroundPainter: null, // Additional custom painter to draw stuff like watermark
onSign: null, // Callback called on user pan drawing
key: null, // key that allow you to provide a GlobalKey that'll let you retrieve the image once user has signed
);Once you retrieved the SignatureState from your GlobalKey, you'll have access to this API:
clear: allow you to clear the area to start again
getData: allow you to retrieve the image
hasPoints: to know if user has sign or not
points: to retrieve the list of points of the signature