Flutter widget to allow users to sign with finger and export the result as image.
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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
The constructor of the widget allow you to change the color (default to black), the strokeWidth (default to 5.0) and a backgroundPainter if you want to add some kind of watermark
clear: allow you to clear the area to start again
getData: allow you to retrieve the image