[Image-SIG] Mutable images

Laura & Edward Cannon cannon.el at gmail.com
Fri Nov 21 22:30:26 CET 2008


Something that would be simple would be a wrapper class containing an
image as an attribute. You could reference the wrapper instead of the
image itself, which would solve your problem. I think you could write
a wrapper in 20-30 lines of code, and probably have a very small
performance hit if any.

On Fri, Nov 21, 2008 at 12:22 PM, Christopher Brooks
<cab938 at mail.usask.ca> wrote:
> I want to resize an image using something like:
>
> src_image.resize( (20,20) )
>
> This doesn't work, since resize() returns the new image.  So something like:
>
> src_image = src_image.resize( (20,20) )
>
> works instead.  Problem is that I have other references to the image that
> src_image is pointing to, and I want them to be updated as well.  I thought
> maybe there would be a load() that takes an Image as a parameter and thus
> changes the underlying object but not the reference, but this doesn't seem
> to be the case.
>
> Any thoughts on part of the library I'm missing?
>
> Chris
>
> --
> Christopher Brooks, MSc.
> Web: http://www.cs.usask.ca/~cab938
> Mail: Advanced Research in Intelligent Educational Systems Laboratory
>      Department of Computer Science
>      University of Saskatchewan
>      176 Thorvaldson Building
>      110 Science Place
>      Saskatoon, SK
>      S7N 5C9
>
>
>
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