Re: view menu

Simon Plantinga wrote:

> ivan danicic wrote:
>> Hello all, This menu puzzles me. I open a picture "005.jpg" for which
>> ls-l shows size 2,778,677 (or 3 MB). In view menu|info window is stated
>> "size in memory=43.5 MB". Please explain.
>
> The jpg file contains the compressed picture. The jpg format is lossy,
> i.e. the stored image isn't exactly the picture you created but looks
> just like it. This way it can be stored using little memory. The size in
> memory is the uncompressed image, which is a lot easier/faster for
> editing. Each pixel probably takes up 6 bytes, 2 for each of the colours
> (red/green/blue).
Hi, This seems to me unlikely since there is no other picture but "005.jpg".
Ivan.

.

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