So in what sense is the handling of splines not a problem? (Cough)
Given that, for example, Adobe Illustrator didn't do this kind of stuff until maybe v5.5 and it was a serious pain to do it manually, I'm guessing the math is slightly non-trivial.
Given that, for example, Adobe Illustrator didn't do this kind of stuff until maybe v5.5 and it was a serious pain to do it manually, I'm guessing the math is slightly non-trivial.