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howtos:window_managers:take_a_screenshot [2013/02/09 17:15 (UTC)]
hazel [To go further]
howtos:window_managers:take_a_screenshot [2013/02/09 17:19 (UTC)]
hazel [The ''xwd'' Command]
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 <​code>​xwd | convert - path/​to/​screenshot.ext</​code>​ <​code>​xwd | convert - path/​to/​screenshot.ext</​code>​
  
-You will be provided with a crosshair, just select the window you want to capture. You can change the type of the output file only by changing the extension, for example ''​screenshot.png'',​ ''​screenshot.jpg'',​ ''​screenshot.gif'',​ etc. The ''​-''​ switch is to indicate to ''​convert''​ that it should translate from standard input rather than a file.+You will be provided with a crosshair ​tool; use it to select the window you want to capture. You can change the type of the output file only by changing the extension, for example ''​screenshot.png'',​ ''​screenshot.jpg'',​ ''​screenshot.gif'',​ etc. The ''​-''​ switch is to indicate to ''​convert''​ that it should translate from standard input rather than a file.
 <note tip>​Remember to raise the window you want to grab above the others. Otherwise every window which covers it will be replaced by black pixels (or black boxes) in the final capture. Which by the way can be an useful way to hide some parts of the output! For example if you take a screenshot of an xterm full of commands with some of your personal info displayed (passwords, IP addresses, ...), or a screenshot of a browser and you want to hide some tabs. Just place some windows over the one you want to capture.</​note>​ <note tip>​Remember to raise the window you want to grab above the others. Otherwise every window which covers it will be replaced by black pixels (or black boxes) in the final capture. Which by the way can be an useful way to hide some parts of the output! For example if you take a screenshot of an xterm full of commands with some of your personal info displayed (passwords, IP addresses, ...), or a screenshot of a browser and you want to hide some tabs. Just place some windows over the one you want to capture.</​note>​
  

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