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From "Charles Matthew Chen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SANSELAN-9) Loading Black and White PNGs produces darker images.
Date Mon, 04 Aug 2008 00:15:44 GMT

    [ https://issues.apache.org/jira/browse/SANSELAN-9?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12619388#action_12619388
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Charles Matthew Chen commented on SANSELAN-9:
---------------------------------------------

I can't reproduce this issue.  I can 

Kevin, can you please post a code snippet that reproduces this issue?

Also, I've made source and binary snapshots.  You might want to try to see if you can reproduce
with them:

http://people.apache.org/~cmchen/apache-sanselan-incubating-0.95-04082008-snapshot-bin.zip
http://people.apache.org/~cmchen/apache-sanselan-incubating-0.95-04082008-snapshot-src.zip

Thanks.

> Loading Black and White PNGs produces darker images.
> ----------------------------------------------------
>
>                 Key: SANSELAN-9
>                 URL: https://issues.apache.org/jira/browse/SANSELAN-9
>             Project: Sanselan
>          Issue Type: Bug
>    Affects Versions: 0.94-incubator
>         Environment: Mac OSX 10.5+, Java 1.5+, Sanselan 0.94
>            Reporter: Kevin Theisen
>         Attachments: PNGDarker.png, testImage.png, testImageNoAlpha.png
>
>
> When saving and loading pngs with Sanselan, black and white images get
> darker with each save and load. All images are held in
> memory as BufferedImages (ARGB). Have you ever seen this weird behavior
> before or how I may fix it?
> The affected images may be all PNGs, but I see this effect happening in images that contain
mostly black and white pixels. The image I use to demonstrate this problem is from a wikipedia
page of Linus Pauling: http://en.wikipedia.org/wiki/Linus_Pauling
> The image basically goes to black after saving and loading 3/4 times.

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