[TYPO3-english] PNG files with alpha channel (PNG-24) in Backend

[Andreas Burg]

Jogvan Olsen schrieb:
> Can anybody tell me how I can configure TYPO3 to show png files with 
> alpha channel (png-24) in the backend?
> 
> At the moment I only get a almost invisibly image in BE – In FE the 
> images are displayed fine with alpha channel.
> 
> Any hint?
> 
> Thanks in advance
> Jogvan

$TYPO3_CONF_VARS['GFX']['png_truecolor'] = '1'; ???

Andreas