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From "Noel Grandin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIVOT-380) Effects \ Blur doesn't take all image pixels
Date Wed, 05 May 2010 13:19:06 GMT

    [ https://issues.apache.org/jira/browse/PIVOT-380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12864324#action_12864324
] 

Noel Grandin commented on PIVOT-380:
------------------------------------

This appears to be a limitation of java.awt.image.ConvolveOp, since it does not apply the
Kernel at the edges.

It could probably be worked around by creating a temporary image with a 1-pixel border, running
blur on the input image into the temporary image, and then clipping the temp image before
writing to the output.


> Effects \ Blur doesn't take all image pixels
> --------------------------------------------
>
>                 Key: PIVOT-380
>                 URL: https://issues.apache.org/jira/browse/PIVOT-380
>             Project: Pivot
>          Issue Type: Bug
>          Components: wtk-effects
>    Affects Versions: 1.4
>            Reporter: Sandro Martini
>            Priority: Minor
>             Fix For: 2.1
>
>
> Effects \ Blur doesn't take all image pixels, leaving a 1 pixel border without effect
at any image, probably this is a little defect.
> To show this, look at the Tutorial page that uses this effect.

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