It's very possible that for the purposes of efficiency, Photoshop allocates 
enough memory so that it can work on the file as though it were in 24 bit color 
mode. It may be that some filters do a temporary shift to 24 bit color to do 
their magic, then back to 8 bit. This is just a guess though. I wouldn't go by 
that. If Photoshop reports 8 bit, then it's 8 bit.

Bob S

On Feb 7, 2017, at 22:17 , Sannyasin Brahmanathaswami via use-livecode 
<<>> wrote:

@ Scott:

That's not what I get if I open this image in Photoshop.  (CC 2017)

575 X 1000

It is a JPEG, but under the mode menu it shows "RGB/8 Bit" and if I look under 
indexed colors it says "256"  definitely not 16bit (in which case we should see 
65536 colors)

So, somehow this IS a JPG that at least reports in PS as 8 bit but shows it is 
taking 2.17 MB in RAM, which it would if it were 16 bit.

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