Convert line paths to curves

[thisisaaronland]

Initial tests to smooth the strokes captured by raphael-sketchpad at runtime proved to be very slow and were abandoned.

• https://github.com/Jam3/chaikin-smooth/blob/master/index.js
• https://github.com/aaronland/fingerprint/blob/main/www/javascript/raphael.sketchpad.js#L725-L746

See also:

• https://francoisromain.medium.com/smooth-a-svg-path-with-cubic-bezier-curves-e37b49d46c74
• https://medium.com/@bragg/cubic-bezier-curves-with-svg-paths-a326bb09616f

[straup]

• https://github.com/jimnewpower/line-smoothing
• https://medium.com/phcacique/chaikins-algorithm-for-drawing-curves-7d19b2e0e209
• https://observablehq.com/@pamacha/chaikins-algorithm

[thisisaaronland]

TBD: Not doing this in realtime, but rather as an on-demand (click) feature TBD: Update just the last path or all paths.

[straup]

Investigate https://github.com/steveruizok/perfect-freehand

Also: https://github.com/steveruizok/perfect-freehand-dart/

[thisisaaronland]

Investigate: https://github.com/ajstarks/giocanvas/tree/master/bezsketch

[straup]

• https://www.sitepoint.com/html5-svg-quadratic-curves/
• https://www.sitepoint.com/html5-svg-cubic-curves/
• https://svg-path-visualizer.netlify.app/bezier-curve/
• https://www.summbit.com/blog/bezier-curve-guide/

[straup]

• https://github.com/volkerp/fitCurves
• https://github.com/vicrucann/CurveFitting/tree/master
• https://github.com/soswow/fit-curve
• https://dl.acm.org/doi/10.5555/90767.90941

[straup]

• http://mourner.github.io/simplify-js/

[thisisaaronland]

• https://www.nan.fyi/svg-paths

[straup]

• https://icons.getbootstrap.com/icons/bezier2/