GDI +：计算与曲线的交点

Question

I've got an array of Point-objects and draw a curve using

graphics.Draw(pen, points);

What I know need is to somehow calculate the intersection of a line with the drawn curve. Is there any way to do that with GDI+? I couldn't find a function or class.

Thx, Steven

Answer 1

GDI+ does not contain any geometrical functions that I'm aware of. It is a pure rendering API. You need to handle all the geometrical processing using another library, or write your own such functions. Intersecting a line with another line is fairly simple. Intersecting a line with a number of lines is a trivial extension of that (loop over the lines). Let me know if you need pointers to examples.