plug_in_newsprint (1998 (v0.52))

NAME

plug_in_newsprint - Re-sample the image to give a newspaper-like effect

SYNOPSIS

plug_in_newsprint (run_mode,image,drawable,cell_width,colorspace,k_pullout,gry_ang,gry_spotfn,red_ang,red_spotfn,grn_ang,grn_spotfn,blu_ang,blu_spotfn,oversample)

DESCRIPTION

Halftone the image, trading off resolution to represent colors or grey levels using the process described both in the PostScript language definition, and also by Robert Ulichney, "Digital halftoning", MIT Press, 1987.

MENUPATH

<Image>/Filters/Distorts/Newsprint...

IMAGETYPES

RGB*, GRAY*

INPUT ARGUMENTS

TYPE	NAME	DESCRIPTION
INT32	run_mode	Interactive, non-interactive
IMAGE	image	Input image (unused)
DRAWABLE	drawable	Input drawable
INT32	cell_width	screen cell width, in pixels
INT32	colorspace	separate to 0:RGB, 1:CMYK, 2:Intensity
INT32	k_pullout	Percentage of black to pullout (CMYK only)
FLOAT	gry_ang	Grey/black screen angle (degrees)
INT32	gry_spotfn	Grey/black spot function (0=dots, 1=lines, 2=diamonds, 3=euclidean dot, 4=PS diamond)
FLOAT	red_ang	Red/cyan screen angle (degrees)
INT32	red_spotfn	Red/cyan spot function (values as gry_spotfn)
FLOAT	grn_ang	Green/magenta screen angle (degrees)
INT32	grn_spotfn	Green/magenta spot function (values as gry_spotfn)
FLOAT	blu_ang	Blue/yellow screen angle (degrees)
INT32	blu_spotfn	Blue/yellow spot function (values as gry_spotfn)
INT32	oversample	how many times to oversample spot fn

SOME SYNTAX ALTERNATIVES

$drawable->newsprint (cell_width,colorspace,k_pullout,gry_ang,gry_spotfn,red_ang,red_spotfn,grn_ang,grn_spotfn,blu_ang,blu_spotfn,oversample)
$image->newsprint (drawable,cell_width,colorspace,k_pullout,gry_ang,gry_spotfn,red_ang,red_spotfn,grn_ang,grn_spotfn,blu_ang,blu_spotfn,oversample)
plug_in_newsprint (drawable,cell_width,colorspace,k_pullout,gry_ang,gry_spotfn,red_ang,red_spotfn,grn_ang,grn_spotfn,blu_ang,blu_spotfn,oversample)
newsprint Layer (drawable,cell_width,colorspace,k_pullout,gry_ang,gry_spotfn,red_ang,red_spotfn,grn_ang,grn_spotfn,blu_ang,blu_spotfn,oversample)
newsprint Image (drawable,cell_width,colorspace,k_pullout,gry_ang,gry_spotfn,red_ang,red_spotfn,grn_ang,grn_spotfn,blu_ang,blu_spotfn,oversample)
newsprint Plugin (drawable,cell_width,colorspace,k_pullout,gry_ang,gry_spotfn,red_ang,red_spotfn,grn_ang,grn_spotfn,blu_ang,blu_spotfn,oversample)

INSTALLATION PATH

/opt/lib/gimp/1.2/plug-ins/newsprint

AUTHOR

Austin Donnelly
(c)1998 (v0.52) Austin Donnelly