[jira] Commented: (COCOON-1301) [Patch] Image Operation Reader

["Jean-Baptiste Quenot (JIRA)" <ji...@apache.org>]

    [ http://issues.apache.org/jira/browse/COCOON-1301?page=comments#action_12364816 ] 

Jean-Baptiste Quenot commented on COCOON-1301:
----------------------------------------------

Thanks for your contribution, looks promising!

After a quick test, it seems that all rotate and mirror samples give a black image.  You clearly stated this in your comment, shall I remove those samples and corresponding source code, or do you have a fix at hand?

And the "blur" gives the same as "sharpen".  Looking at the sitemap, the convolution parameters are the same as "sharpen".  Can you give the correct parameters?

I'd be glad to add this block very soon.

> [Patch] Image Operation Reader
> ------------------------------
>
>          Key: COCOON-1301
>          URL: http://issues.apache.org/jira/browse/COCOON-1301
>      Project: Cocoon
>         Type: Improvement
>   Components: Blocks: (Undefined)
>     Versions: 2.2-dev (Current SVN)
>  Environment: Operating System: other
> Platform: Other
>     Reporter: Niclas Hedhman
>     Assignee: Jean-Baptiste Quenot
>     Priority: Minor
>  Attachments: imageop-block.zip
>
> I would like to contribute a fairly flexible and powerful Image Reader that is capable of 
> performing a stack of Effects, such as Scaling, color manipulation, and coordination 
> transforms (rotate, mirror and so forth), in a pluggable manner. 
>  
> The ImageOpReader also reads any of the graphics formats supported by javax.imageio 
> package in JDK 1.4, including Png, Jpg and many more.  
> Any image can be returned to the client browser in any of the supported formats. 
>  
> There is still a problem with the AffineTransform operations, and I am working on sorting these 
> out, but; 
> 1. The block is already useful to many as it is. 
> 2. I could need some help getting the AffineTransforms to work properly. 
>  
> Stuff that is still left to do; 
> * Image Operation tests. How does one test image tranforms? 
> * JavaDocs. 
> * User Documentation 
> * Get Rotation & Mirror transforms to work. (Problem related to clipping outside the positive 
> coordinate system.) 
> * More samples - The bulk are in place, but more doesn't hurt. 
>  
>  
> I would *really* appreciate if the ImageOp block becomes part of the standard Cocoon 2.2 
> distribution. I am willing to help out maintaining it for the long term, if I am allowed to... 
>  
>  
> P.S. I already have a CLA on file with the ASF.

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