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+1  Q: 

How could I make geometry advanced operations on bezier paths?

I have a library that draws regular bezier path figures (complex paths formed of a lot of bezier points), using midpoint approximation.

I can draw them without problem, but I need to add support for advanced geometry operations: Nearest point of a curve, intersection, figure contains point, and more importantly, path combinations: difference, intersection, exclusive-or, union, ...

Is there any good source to get all this?

Thanks

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