I want to resize my image. Its 1x1, and I want to resize it as below picture. How can I do it with LUA?

Thanks for your help.
Edit: I have now noticed that I have opened the subject to the wrong place, I am very sorry.
Edit x2:


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edited 2×, last 10.06.20 02:28:08 am
Admin/mod comment
Wrong topic section, moved. /