Hi Alexei,
Extremely sorry for replying very late, actually was traveling back from college, as in our country once again school and colleges are closed due to the second wave of COVID-19.
Do you have ftview and ftgrid working, either installed from your
distribution package or compiled? I want to make sure that you tried
it and know how they work.
Yes, actually I have done it yesterday itself, sorry for not informing you as I have stated the reason I was very busy, and it is working fine for me, capturing ss from [P] and aborting the process with [esc] key or [q] and......, and the snapshot is getting saved in the freetype-demos folder itself naming ftview.png and ftgrid.png in parallel to the command that has executed, and every time these are updating whenever I run ftview or ftgrid respectively.
I am sharing the generated pngs...