XnView Software

XnViewMP 1.5.5 64bit
Windows11 (22H2), display resolution 3840x2160, win scaling 150%

Viewer - histogram

issue A
Viewer - histogram - context menu
app memorize histogram state and restores after restart, but Dark bg is always selected in context menu



issue B
Viewer - histogram - properties dialog
same in Browser > Info > Histogram tab
histogram state resets to Black background after restart





Related

• issues
  1.5.5 - browser/viewer - histogram - background state (current post)

• suggestions
  Browser - histogram - show Luminance layer on top
  Browser - histogram - make background theme dependent
  - done -
  Browser - histogram - split into separate panel (1.6.3)

seems to be fixed

180
A - still remains
1. press H in Viewer
2. select Light or Transparent bg
3. close app
4. open any image in Viewer
histogram is visible with correct bg
5. RMB on Histogram
selection indicator (•) shows "Dark background"

B - looks fixed

Thanks to your detailed description I can reproduce the problem.

This problem is supposed to be fixed in XnView MP 1.8.1. Please check and confirm the bug fix here.

fixed in 181