Currently the "Black point" and the "White point" buttons on the Levels
dialog have a fixed target value, i.e., the point chosen with the "Black
point" button available on the "All channels" section will change each
channel to 0 and the "White point" button will change each channel to 255.
For the "All channels" black and white point buttons each channel target
value should be configurable. In RGB mode this would give a finer method to
create/remove color casts on images.
For the "Input levels" black and white point buttons, the global luminosity
target value should be configurable. This would enable the tool to be used
for different purposes than only maximizing contrast.
As a suggestion on how to implement these configurations, a double click on
each button could open a new dialog box with one edit box per value to be
I not sure if I should start this kind of conversation here in the mailing
list on straight on the bug tracker.
*Rodrigo Severo* | DIRETOR DE TECNOLOGIA
Tel. *+55 61 3030-1515*
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