halftoning image processing


HalftonePAL is a program written in Processing that lets you make halftoned versions of your images using circles, dots, and lines. You can change the size of the shapes, which pattern to use, switch between black or white paper (and the opposite ink), and more! It can save the output as SVG, JPG, or TXT file.

For a tutorial, check out the GitHub page. Or to download it, go to the page!

Here’s what the program looks like, with the halftoned image at the top, and the controls on the bottom.

The interface and some features of HalftonePAL were inspired by StippleGen, which performs weighted Voronoi stippling. In contrast, HalftonePAL guarantees a minimum spacing between dots.

I hope you have fun with it!

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