So this almost provides the answer. I made a subclass and in there override
setRotationAngle:centerPoint: but this triggers for every mouse movement,
rather than for an accumulated drag from the user. I then tried to override
mouseUp with the plan to set a flag didRotate in setRotationAngle:centerPoint:
and then send a delegate message or notification on mouseUp, then reset the
flag. Unfortunately IKImageView doesn't receive a mouseUp: when rotating. This
works for moving the image, but not rotating. So I guess for now I will try to
live with the many messages to the delegate, but I would have liked to quantise
this at the level of the user's action, so bracketed by mouseDown: and
mouseUp:. If anyone has any ideas how this might be achieved, I'd be happy to
hear them.
Cheers,
Martin
On Sep 13, 2011, at 11:23 AM, Andy Lee wrote:
> On Sep 13, 2011, at 5:39 AM, Martin Hewitson wrote:
>> Great, thanks. Unfortunately there isn't a callback for rotation of the
>> image.
>
> Would it work to override setRotationAngle:centerPoint:? And maybe
> rotateImageLeft: and rotateImageRight:?
>
> --Andy
>
>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Martin Hewitson
Albert-Einstein-Institut
Max-Planck-Institut fuer
Gravitationsphysik und Universitaet Hannover
Callinstr. 38, 30167 Hannover, Germany
Tel: +49-511-762-17121, Fax: +49-511-762-5861
E-Mail: martin.hewit...@aei.mpg.de
WWW: http://www.aei.mpg.de/~hewitson
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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