jPolygon is a javascript library that allows drawing a polygon in a HTML5 canvas over an image. It supports undo and clear funcions. To finalize the polygon press CTRL + mouse Click.
Technologies used:
- pure javascript (no jQuery, etc...)
- HTML5 canvas
Requirements:
- Any browser that supports HTML5 canvas
Main Features:
- Mark points with a square.
- Undo function implementation.
- Clear function implementation.
- When a polygon is created, fill the content with a transparent color.
License:
- MIT license