python - Fetching the process image output -


i need fetch image rendered process (a video game, precise). know pid in linux. suppose rendered image exists if process not in foreground (even mininized). if i'm not wrong this, there way obtain image? i'd using python.

i aware put in foreground , take screenshot seems faster (again, if i'm wrong, correct me). know not every process outputs image process working is.

p.s. i'd use correct terminology unsure how works.


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