ppmtoicr man page on Kali

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ppmtoicr(1)							   ppmtoicr(1)

NAME
       ppmtoicr - convert a portable pixmap into NCSA ICR format

SYNOPSIS
       ppmtoicr	 [-windowname name] [-expand expand] [-display display] [-rle]
       [ppmfile]

DESCRIPTION
       Reads a portable pixmap file as input.  Produces an NCSA Telnet	Inter‐
       active  Color  Raster  graphic  file as output.	If ppmfile is not sup‐
       plied, ppmtoicr will read from standard input.

       Interactive Color Raster (ICR) is  a  protocol  for  displaying	raster
       graphics	 on  workstation  screens. The protocol is implemented in NCSA
       Telnet for the Macintosh version 2.3.  The ICR protocol shares  charac‐
       teristics  of  the Tektronix graphics terminal emulation protocol.  For
       example, escape sequences are used to control the display.

       ppmtoicr will output the appropriate sequences to create	 a  window  of
       the dimensions of the input pixmap, create a colormap of up to 256 col‐
       ors on the display, then load the picture data into the window.

       Note that there is no icrtoppm tool - this transformation is one way.

OPTIONS
       -windownamename
		     Output will be displayed in name (Default is to use  ppm‐
		     file or "untitled" if standard input is read.)

       -expandexpand Output  will be expanded on display by factor expand (For
		     example, a value of 2 will cause four pixels to  be  dis‐
		     played for every input pixel.)

       -displaydisplay
		     Output will be displayed on screen numbered display

       -rle	     Use  run-length  encoded  format  for display. (This will
		     nearly always result in a quicker display, but  may  skew
		     the colormap.)

EXAMPLES
       To display a ppm file using the protocol:
	   ppmtoicr ppmfile
       This will create a window named ppmfile on the display with the correct
       dimensions for ppmfile, create and download a colormap  of  up  to  256
       colors,	and  download the picture into the window. The same effect may
       be achieved by the following sequence:
	   ppmtoicr ppmfile > filename
	   cat filename
       To display a GIF file using the protocol in a window titled  after  the
       input  file,  zoom the displayed image by a factor of 2, and run-length
       encode the data:
	   giftopnm giffile | ppmtoicr -w giffile -r -e 2

BUGS
       The protocol uses frequent fflush calls to speed	 up  display.  If  the
       output  is  saved  to a file for later display via cat, drawing will be
       much slower. In either case, increasing the Blocksize limit on the dis‐
       play will speed up transmission substantially.

SEE ALSO
       ppm(5)

       NCSA  Telnet  for the Macintosh, University of Illinois at Urbana-Cham‐
       paign (1989)

AUTHOR
       Copyright (C) 1990 by Kanthan Pillay (svpillay@Princeton.EDU),  Prince‐
       ton University Computing and Information Technology.

				 30 July 1990			   ppmtoicr(1)
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