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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Gordon
Interesting - thanks. Looks like that's not ready to merge then ;)
The original algorithm ignores the topmost (lowest Y) pixel of each edge, which means that when edges join you only get one point. That works great apart from right at the top of the shape when the top scanline gets missed off completely. Thinking about it, I could probably just special-case the topmost scanline and those issues should be solved