import

Capture some or all of an X server screen, and save the image to a file. Part of the ImageMagick library. More information: https://imagemagick.org/script/import.php.

• Capture the entire X server screen in the PostScript image format:
  import -window root {{output.postscript}}
• Capture contents of a remote X server screen in the PNG format:
  import -window root -display {{remote_host}}:{{screen}}.{{display}} {{output.png}}
• Capture a specific window, given its ID as displayed by xwininfo, into the JPEG format:
  import -window {{window_id}} {{output.jpg}}