On Wed, Nov 30, 2011 at 3:58 AM, Tim Starling <[email protected]> wrote:
> A test page for the new VIPS image scaler is now available:
>
> https://test2.wikipedia.org/wiki/Special:VipsTest
>
There's a weird bug in this page that causes the preview area to be
255x16px under certain circumstances.

This bug occurs on:
https://test2.wikipedia.org/wiki/Special:VipsTest?file=MediaWiki_database_schema_1-17_%28r82044%29.png&width=636&sharpen=0.8

But not on: 
https://test2.wikipedia.org/wiki/Special:VipsTest?file=MediaWiki_database_schema_1-17_%28r82044%29.png&width=200&sharpen=0.8

Using bisection, I find that this bug occurs for all widths greater
than 300px, for this particular image. For
https://test2.wikipedia.org/wiki/Special:VipsTest?file=Hack-A-Thon-Brighton.png&width=200&sharpen=0.8
the cut-off is at 200px.

Roan

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