Difference between revisions of "Work in progress on histogram redesign"

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(Created page with "== Problem statement == # Choosing a channel in the histogram dialog requires two clicks: opening a combo box, then choosing a channel. # The info section of the dialog isn't...")
 
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== What should be available ==
 
== What should be available ==
  
On-canvas switches (for the histogram area): RGB, R, G, B, Value or L*, Linear/Log scale, Linear Light / Gamma-Corrected space
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On-canvas switches (for the histogram area): R, G, B, Value or L*, Linear/Log scale, Linear Light / Gamma-Corrected space
  
 
TODO: We need to decide if we should expose color channels from other color spaces such as CIE LCH. We already expose LCH channels in color selection tools, and exposing LAB / LCH in e.g. Curves tool/filter makes a lot of sense, so this needs a decision.
 
TODO: We need to decide if we should expose color channels from other color spaces such as CIE LCH. We already expose LCH channels in color selection tools, and exposing LAB / LCH in e.g. Curves tool/filter makes a lot of sense, so this needs a decision.
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TODO: Do we stick with Value or go for L*?
 
TODO: Do we stick with Value or go for L*?
  
TODO: RGB, R, G, and B are mutually exclusive on display. Should GIMP be able to display either of them along with Value or L*?
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TODO: Should GIMP be able to display either of R/G/B along with Value or L*?
  
 
== Design draft ==
 
== Design draft ==
 
== Tentative design ==
 
== Tentative design ==

Revision as of 14:54, 7 July 2017

Problem statement

  1. Choosing a channel in the histogram dialog requires two clicks: opening a combo box, then choosing a channel.
  2. The info section of the dialog isn't always necessary, but takes precious vertical space.
  3. Versions 2.9.x and 2.10 make the histogram dialog design even busier by introducing linear/gamma-corrected switch that has no obvious on/off state (at least, with some UI themes).

Better solutions can be devised, as seen in other software (see 'Tentative design' section).

What should be available

On-canvas switches (for the histogram area): R, G, B, Value or L*, Linear/Log scale, Linear Light / Gamma-Corrected space

TODO: We need to decide if we should expose color channels from other color spaces such as CIE LCH. We already expose LCH channels in color selection tools, and exposing LAB / LCH in e.g. Curves tool/filter makes a lot of sense, so this needs a decision.

TODO: Do we stick with Value or go for L*?

TODO: Should GIMP be able to display either of R/G/B along with Value or L*?

Design draft

Tentative design