On 08/01/2010, at 11:36 AM, David Blanton wrote:

> The performance issue comes from the fact the user will be dragging this 
> bitmap around so I a regenerating m_bitmap.m_array  constantly.


I'm not sure what your app does, but have you considered using a Core Animation 
layer to host the bitmap? That way you can move the image around willy-nilly 
with virtually zero cost, and you only have to regenerate the bitmap if it 
changes.

--
Rob Keniger



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