Re: Shouldn't Cairo use/offer degrees rather than radians?
David Kastrup <[email protected]>
| Newsgroups | gmane.comp.lib.cairo |
|---|---|
| Organization | Organization?!? |
| Message-ID | <[email protected]> |
Bill Spitzak <[email protected]> writes: > A function like this might be useful: > > cairo_rotate_2(cairo_t*, double x, double y) > > This would rotate it so the x axis is angled by atan2(y,x). I am not > sure if it should also scale by hypot(x,y) or normalize the vector. > This can be implemented without any trig functions. Not much more user-friendly than setting the transform matrix to individual values. -- David Kastrup -- cairo mailing list [email protected] https://lists.cairographics.org/mailman/listinfo/cairo