[wp-trac] [WordPress Trac] #2805: Preserve PNG transparency/alpha during thumbnail creation

[WordPress Trac]

#2805: Preserve PNG transparency/alpha during thumbnail creation
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 Reporter:  Libertus        |       Owner:  westi
     Type:  defect (bug)    |      Status:  closed
 Priority:  high            |   Milestone:  2.5
Component:  Administration  |     Version:  3.0.4
 Severity:  major           |  Resolution:  fixed
 Keywords:                  |
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Changes (by Otto42):

 * status:  reopened => closed
 * resolution:   => fixed


Comment:

 That's actually a problem with the GD library and also that 8-bit PNGs are
 palletized. No programmatic solution can create transparent 8-bit PNG
 files properly.

 Use 24-bit PNGs if you want transparency to be preserved.

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Ticket URL: <http://core.trac.wordpress.org/ticket/2805#comment:12>
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