Calculate Bezier control points

[Dennis Myrén]

Hi.

Sorry if this post might be a little off the topic,
but just in case anyone knows...

Given a size, a position, a start angle and a sweep angle,
i want to draw a bezier curve.

I will need to compute the bezier control points
(start point, point A, point B, point C).
I have had some problems with that.

Does anyone know how to achieve this?

Thank you.

Regards,
Dennis

 

[mk]

Hi,
Check out Graphics.DrawBezier(s). Also
Graphics.DrawCurve/DrawClosedCurve. There's a wealth of
goodies in the Graphics namespace you might also be
interested in.

HTH,

mk

 

[Jay B. Harlow [MVP - Outlook]]

Dennis,
In addition to mk's comments.

Charles Petzold's book "Programming Microsoft Windows with Microsoft Visual
Basic .NET" has a chapter on Bezier Curves where he covers the math of
bezier's.

I have not worked through all his formulas, but I believe he lists the
formulas you would need to calculate the points. Either directly or
indirectly.

Hope this helps
Jay