PNG format: 8-bit or 24?

Scott Rossi scott at tactilemedia.com
Wed Mar 14 21:39:10 EDT 2007


Recently, Chipp Walters wrote:

> If I create a grayscale (or any image) and it has fewer than 257 colors in
> it (by default grayscale images do), is there a way I can force the export
> image command to save it as 24-bit and not 8-bit? For some reason, the
> export image uses 8-bit when exporting images with fewer than 257 colors,
> and 24-bit for images greater than 256.
> 
> Anyone have a header rewrite or other hack to force the save in 24?

Just a thought: what if you added a bogus alpha channel (alphaData) to the
image?

Regards,

Scott Rossi
Creative Director
Tactile Media, Multimedia & Design
-----
E: scott at tactilemedia.com
W: http://www.tactilemedia.com





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