Show min/max brightness in "Levels"

Ideas for improvements and requests for new features in XnView Classic

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Joined: Thu May 31, 2007 10:22 pm

Show min/max brightness in "Levels"

Post by stephan_g »

Re: Image >> Adjust >> Levels
It would be quite handy if the current absolute lowest and highest brightness values could be shown in this dialog.

Why? Consider a typical scan of a schematic or similar - lots of nominally white background, much less area taken up by (important) darker structures. The latter may in turn be hard to see on the histogram, making it necessary to use "Display Colour Information" to gather typical RGB values for black.

I like XnView quite a bit when it comes to processing of scanned technical documentation, since important things like levels adjustment, resizing and color depth reduction can be done with high quality. Resizing with Lanczos interpolation, conversion to 16 greys (dithered) - invaluable.
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