1.0: The colored dashed lines show when viewing png images with transparency using Lanczos

[lffs]

XnView: MP 1.0 64 bit
OS: Windows 10 21H2 64 bit

The colored dashed lines show when viewing png images with transparency using Lanczos.

Effect: Please see the attached image.

To reproduce:
1. viewing png images with transparency using Lanczos
2. Zoom in over 100%
3. The same problem was encountered in an earlier version

I will place the sample images here:

sample.png (22.11 KiB) Viewed 639 times

[xnview]

Thanks to your detailed description I can reproduce