From: Joe Van Dyk <joevandyk@...>
Date: 2005-02-22T03:06:45+09:00
Subject: Re: ruby-gnome2 question

On Sun, 20 Feb 2005 07:24:43 +0900, Martin DeMello
<martindemello@yahoo.com> wrote:
> Joe Van Dyk <joevandyk@gmail.com> wrote:
> >
> > All I want to do is be able to rotate the item by a certain amount of
> > degrees in 2D space and have it stay at the same x/y coordinate.
> >
> > Any ideas?
> 
> Not familiar with the gnome api, but in general you need to translate
> the object so that the rotation point is on the origin, apply the
> rotation matrix, and then translate it back.
> 
> martin

Ah.... the origin of the object?