From: Tim Hunter <cyclists@...>
Date: 2006-03-18T07:33:55+09:00
Subject: Re: RMagick Image Optimize

TomRossi7 wrote:
> Thanks!  The compession is definitely what I am looking for.  I'm
> trying to use it dynamically when the image is rendered to a Rails web
> page.  Currently, I am using the follwoing to render the image:
> 
> send_data myimage.to_blob, :disposition => 'inline', :type =>
> 'image/jpg'
> 
> I tried using myimage.quality = 50, but it looks like that can only be
> done on a write.  Is there a way for me to set the quality when
> rendering the image?  Sorry if this is newbie stuff!
> 
> --Tom
> 
quality works as an option to the to_blob method, too. To change the 
compression level you have to specify quality as a optional argument to 
the to_blob or write method. I don't know how you'd do that in a Rails 
context. Perhaps a Rails expert will know.