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https://issues.apache.org/jira/browse/WICKET-4268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Grigorov resolved WICKET-4268.
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Resolution: Fixed
Fix Version/s: 7.0.0
6.13.0
Assignee: Martin Grigorov
Sorry.
It seems we missed somehow the attached patch when it has been provided and now
it is no more applicable.
I've removed the 'final' from the signature of
org.apache.wicket.extensions.markup.html.image.resource.ThumbnailImageResource#getScaledImageInstance
so now user applications can provide better algorithm for scaling when
desired.
> Quality of ThumbnailImageResource
> ---------------------------------
>
> Key: WICKET-4268
> URL: https://issues.apache.org/jira/browse/WICKET-4268
> Project: Wicket
> Issue Type: Improvement
> Components: wicket-extensions
> Affects Versions: 1.5.3
> Reporter: Matvey Piskunov
> Assignee: Martin Grigorov
> Fix For: 6.13.0, 7.0.0
>
> Attachments: ThumbnailImageResource-multi-step-downscaling.patch
>
>
> The control over the quality of generated thumbnails has been lost after
> modifications proposed in WICKET-2450 (the performance has been greatly
> improved though). That article
> http://today.java.net/pub/a/today/2007/04/03/perils-of-image-getscaledinstance.html
> proposes multi-step approach when downscaling images. It produces much
> better visual results with no dramatic performance loss. Can we use that
> code? It also would be nice to have image rendering hints configurable as
> they were before.
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