[jira] [Updated] (XGC-18) PNG's - warn if resolution can't be determined

["dian hina (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/XGC-18?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dian hina updated XGC-18:
-------------------------

oke finish

> PNG's -  warn if resolution can't be determined
> -----------------------------------------------
>
>                 Key: XGC-18
>                 URL: https://issues.apache.org/jira/browse/XGC-18
>             Project: XMLGraphicsCommons
>          Issue Type: Improvement
>          Components: image codecs
>    Affects Versions: 2.6
>         Environment: Operating System: All
> Platform: All
>            Reporter: Jason Harrop
>            Assignee: XML Graphics Project Mailing List
>
> If, for a PNG image, ImageMagick's identify says:
>   Resolution: 320x320
>   Units: Undefined <----------------
> then ImageInfo will use a default value, using Toolkit.getDefaultToolkit().getScreenResolution(), which in my case is 160.
> Nothing wrong with that I suppose, but it would be helpful if a warning was logged or something, so you knew to fix the image.
> When PreloaderImageIO.preloadImage does:
>         ImageIOUtil.extractResolution(iiometa, size);
> it is finding the Dimension child, but not "HorizontalPixelSize" or VerticalPixelSize (these are null).



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