Algorithm for drawing thick smooth lines

Question

Are there any "standard" algorithms for drawing thick smooth lines? I found the Xiaolin Wu algorithm for drawing 1px lines, but have not yet found an extension for thicker lines.

Answer 1

If your lines are always straight and you don’t look at curves with an alias, you can take a three-pass approach.

I'm not sure how effective this will be in your environment, but you can draw an alias version of the string with thickness - 2, and then use the Xiaolin Wu approach twice to smooth the edges. The @Francisco P. approach will work too and may be preferable.

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Answer 2

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