gimpprint-color man page on SunOS

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GIMPPRINT-COLOR(7)	    Gimp-Print Manual Pages	    GIMPPRINT-COLOR(7)

NAME
       gimpprint-color - Gimp-Print color balancing

DESCRIPTION
       Gimp-Print  includes  several  color  balancing controls.  These may be
       used to adjust the original image's brightness and contrast and	gamma,
       and the density and saturation of the output, as well as the individual
       cyan, magenta and yellow levels.

COLOR BALANCING
       Cyan

       Magenta

       Yellow The range of values is 0.0 - 4.0, and defaults  to  1.0.	 These
	      three options allow specification of the cyan, magenta, and yel‐
	      low levels independently, for rebalancing the levels.  Normally,
	      these  should be adjusted to yield neutral gray, but they can be
	      used for other effects.

       Brightness
	      The range of values is 0.0 - 2.0, and  defaults  to  1.0.	  This
	      adjusts  the  brightness	of the image.  0.0 gives a fully black
	      image; 2.0 gives a fully white image.   Values  greater  than  1
	      will  result  in	black  not  being solid and highlights turning
	      white; values less than 1 will result in white  not  being  per‐
	      fectly clear and shadows turning black.

       Contrast
	      The  range  of values is 0.0 - 4.0, and defaults to 1.0.	Adjust
	      the contrast of the image.  0.0  gives  a	 solid	gray  for  the
	      entire  image, the exact gray depending upon the brightness cho‐
	      sen.

       Gamma  The range of values is 0.1 - 4.0, and defaults to	 1.0.	Adjust
	      the gamma of the image, over and above the printer-specific cor‐
	      rection.	Gamma less than 1.0 will result	 in  a	darker	image;
	      gamma  greater  than 1.0 will result in a lighter image.	Unlike
	      brightness, gamma adjustment does not change the	endpoints;  it
	      merely changes the shape of the input→output curve.

       Density
	      The  range  of values is 0.1 - 2.0, and defaults to 1.0.	Adjust
	      the amount of ink deposited on the paper.	 If you've chosen  the
	      correct  paper  type and you're getting ink bleeding through the
	      paper or puddling, try reducing the density to the lowest	 value
	      you  can	while still achieving solid black.  If you're not get‐
	      ting solid black, even with the contrast and brightness at  1.0,
	      try increasing the density.

	      All  of the printers supported here actually need less than 100%
	      ink density in most cases, so the actual	density	 is  something
	      other  than  the nominal density setting.	 The effective density
	      setting cannot go above 100%,  so	 if  a	value  specified  will
	      result in an excessively high density level, it will be silently
	      limited to 1.0.

       Saturation
	      The range of values is 0.0 - 9.0, and defaults to	 1.0.	Adjust
	      the  brilliance of colors.  0.0 results in pure grayscale; using
	      this with Color=1 is one way of  getting	grayscale  (see	 below
	      under  "Color"  for a full discussion).  Saturation of less than
	      1.0 results in more muted colors; saturation of greater than 1.0
	      results  in  more	 vibrant  colors.   Very high saturation often
	      results in very strange  effects,	 including  posterization  and
	      banding  that  might  not be expected.  For normal purposes, the
	      saturation should generally be less than 1.5.

COPYRIGHT
       Copyright © 2001 Michael Sweet  (mike@easysw.com)  and  Robert  Krawitz
       (rlk@alum.mit.edu)

       This program is free software; you can redistribute it and/or modify it
       under the terms of the GNU General Public License as published  by  the
       Free  Software Foundation; either version 2 of the License, or (at your
       option) any later version.

       This  manual  page  was	written	  by   Roger   Leigh   (roger@whinlat‐
       ter.uklinux.net)

SEE ALSO
       gimpprint-dithers(7),  gimpprint-imagetypes(7),	gimpprint-inktypes(7),
       gimpprint-mediasizes(7),	  gimpprint-mediasources(7),   gimpprint-medi‐
       atypes(7), gimpprint-models(7), gimpprint-resolutions(7).

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Availability	    │ SUNWgimpprint   │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ External	      │
       └────────────────────┴─────────────────┘
NOTES
       Source for gimp-print is available in the SUNWgimpprintS package.

Version 4.2.6			  11 Jan 2004		    GIMPPRINT-COLOR(7)
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