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PNGSCREEN

PNGSCREEN

Name


      PNGSCREEN

Purpose


      Save current screen image to a PNG file.

Category


Calling Sequence


      pngscreen, [file]

Inputs


      file = name of PNG file. in

Keyword Parameters


Keywords


        /BW read screen image as an 8-bit black and white image.
          No color tables are saved.
        /QUIET Do not show Image saved message.

Outputs


Common Blocks


Notes


      Notes: Prompts for file if called with no args.
        Only for 24-bit color displays.

Modification History


      R. Sterner, 2001 Mar 21
      R. Sterner, 2002 Mar 04 --- Worked around v5.3 png bug.
      R. Sterner, 2008 Mar 27 --- Added /BW.
      R. Sterner, 2009 Feb 13 --- Added /QUIET.
      R. Sterner, 2009 Feb 13 --- Added /QUIET.
      R. Sterner, 2014 Feb 12 --- Added error flag and handler.
  Copyright (C) 2001, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.



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