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Ppmtopjxl User Manual(0)						 Ppmtopjxl User Manual(0)

       ppmtopjxl - convert a PPM image to an HP PaintJet XL PCL file

       ppmtopjxl  [-nopack]  [-gamma  n]  [-presentation] [-dark] [-diffuse] [-cluster] [-dither]
       [-xshift  s]  [-yshift  s]   [-xshift   s]   [-yshift   s]   [{-xsize|-width|-xscale}   s]
       [{-ysize|-height|-yscale} s] [ppmfile]

       This program is part of Netpbm(1)

       ppmtopjxl  reads  a PPM image as input and produces a PCL file suitable for printing on an
       HP PaintJet XL printer as output.

       The generated file is not suitable for printing on a normal PrintJet printer.  The -nopack
       option  generates  a  file which does not use the normal TIFF 4.0 compression method. This
       file might be printable on a normal PaintJet printer (not an XL).

       The -gamma option sets the gamma correction for the image. The useful range for the Paint-
       Jet XL is approximately 0.6 to 1.5.

       You an alter the rendering algorithm used for images with the -dither, -cluster, and -dif-
       fuse options.  These options select ordered dithering,  clustered  ordered  dithering,  or
       error  diffusion respectively.  You can use the -dark option to enhance images with a dark
       background when they are reduced in size.  The -presentation option turns on  presentation
       mode, in which two passes are made over the paper to increase ink density.  You should use
       this only for images where quality is critical.

       You can resize the image by setting the -xsize  and  -ysize  options.   The  parameter  to
       either  of  these  options is interpreted as the number of dots to set the width or height
       to, but you may append an optional dimension of `pt'  (points),	`dp'  (decipoints),  `in'
       (inches),  or `cm' (centimetres).  If you specify only one dimension, ppmtopjxl will scale
       the other one appropriately.

       The options -width and -height are synonyms of -xsize and -ysize.

       You can alternatively use the -xscale and -yscale options to scale the image by	a  simple

       You  can shift the image on the page with the -xshift and -yshift options.  These move the
       image the specified dimensions right and down.


       Angus Duggan

netpbm documentation			  14 March 1991 		 Ppmtopjxl User Manual(0)
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