TomRossi7 wrote:
> I am trying to dynamically set the compression or quality of an image
> when displaying it.  I have seen in the RMagick documentation how to
> set the quality only when writing the file to disk.  How can I set the
> quality dynamically or set the compression?
>   
You can't. The only time you can specify the compression level is as an 
optional argument to Image#write or Image#to_blob.

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RMagick [http://rmagick.rubyforge.org]
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