[Mediawiki-l] .png image text font mis-scaled

Platonides Platonides at gmail.com
Mon Jan 11 17:20:23 UTC 2010

Mike wrote:
> I've run into a problem with images I'm converting from another
> source. The most accurate intermediate format seamed to be .png,
> however; I've run into a repeated problem with some images display. On
> certain images, some of the text rendered has been misscaled and is
> inconsistant with the surrounding image. The text is correctly located
> on the displayed image. At first, I thought this was a problem with
> the software generating the .png file from its source. These are
> ChemDraw format images and are being converted by ChemDraw. In further
> looking at the intermediate, I find I can correctly view the .png file
> with other windows utilities without the font scale problem. These
> utilities Paint and Windows Photo Gallery also have no problem scaling
> the image. I have also attempted enabling .svg image format hoping it
> would be a convenient intermediate, but; the added work to support
> browsers without native .svg gave me pause.
> Can anyone familiar with the .png scaling process comment on why (only
> certain) text in .png files does not scale properly? I'm using
> MediaWiki 1.15.1. Thanks for any help.

Can you provide a sample of such misscaled images?
What are you using for scaling? libgd or imagemagick?
Seems like a bug you should pass to the software you are using for
resizing the images.

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