1.4.3 - viewer - High zoom quality + HiDPI - extra space on zoom

[user0]

XnViewMP 1.4.3 64bit
Windows11 64bit (22H2), display resolution 3840x2160, win scaling 150%

Viewer
Image renders with extra space on HiDPI zoom-in (any filter except Bilinear) when zoom level >= windows scale.
In case of 32bit image extra space shows as alpha, otherwhise just a blank space.

To reproduce:
0. set win scale >100%, eg 150% in my case

Issue
1. run clean portable XnViewMP
2. open test image

100x100_rgb.zip

(336 Bytes) Downloaded 30 times

3. press f12 to open Settings
- set 'High zoom quality' to Zoom-in and set any filter except Bilinear
- tick 'Zoom on HiDPI..' checkbox
- press OK

settings.png (2 KiB) Viewed 1197 times

4. increase zoom level >= win scale
image will be rendered with extra space

Related

• issues
  - fixed -
  1.5.0 - viewer - High zoom quality - None still affects image (1.7.0)
  1.4.3 - viewer - High zoom quality + HiDPI - extra space on zoom (1.5.0) current post
  1.4.0 - viewer - High zoom quality + Change color depth issue (1.5.0)
  1.4.4 - viewer - High zoom quality - state out of sync (1.4.5)

[xnview]

Thanks to your detailed description I can reproduce

[user0]

fixed in 150