1.4.4 - batch convert - add mask - background is partially visible in 4bit image

[user0]

XnViewMP 1.4.4 64bit
Windows11 (22H2), display resolution 3840x2160, win scaling 150%

Batch convert - add mask
background is partially visible in 4bit image

test_img_plane_4.zip

(32.99 KiB) Downloaded 44 times

[xnview]

your image file has transparency, it's the same with 32bits image file

[user0]

hm, why not like this?

• a (default settings)
  • actual - transparency bleeding through mask
  • expected - solid mask

• b ("use mask as alpha" enabled)
  • actual - transparency lost
  • expected - transparency preserved

[xnview]

Thanks to your detailed description I can reproduce the problem.

[xnview]

This problem is supposed to be fixed in XnView MP 1.5.0 beta. Please check and confirm the bug fix here.

[user0]

fixed in 1.5.0