[wp-hackers] Requirements for WP_Image_Editor?

Marko Heijnen mailing at markoheijnen.nl
Sat Jan 4 11:13:40 UTC 2014

Hey Luke,

There is a ticket that tries to preserve the transparency for GIF but GD doesn’t work doesn’t work well so things can break. See https://core.trac.wordpress.org/ticket/13461.
My recommendation will always be that you need to use Imagick then. So there is a change that the ticket will be closed as good enough.

For Imagemagick you need the PHP module Imagick installed. If that isn’t installed then it will choose GD.
I guess that will be the case here. Otherwise the software is really outdated en you need to fix that.


Op 4 jan. 2014, om 06:35 heeft Luke Bryan <lukebryan at sharefaith.com> het volgende geschreven:

> Greetings all,
> I've been having problems with the
> WP_Image_Editor<http://codex.wordpress.org/Class_Reference/WP_Image_Editor>recently
> - downsizing a gif with semitransparency will turn transparency to
> black, and png can do that occasionally as well.
> After digging into it I found that the WP_Image_Editor was using GD, not
> Imagemagick - although Imagemagick was available, though it didn't seem to
> have the PHP module set up, looking in phpinfo()... What are the
> recommended ways to check what is keeping it from using Imagemagick?
> I would file a bug on this, but am I correct in assuming this is one of the
> somewhat well-known bugs in GD, rather than Wordpress' use of it?
> Best regards,
> Luke
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