plug_in_unsharp_mask (1999)

NAME

plug_in_unsharp_mask - An unsharp mask filter

SYNOPSIS

plug_in_unsharp_mask (run_mode,image,drawable,radius,amount,threshold)

DESCRIPTION

The unsharp mask is a sharpening filter that works by comparing using the difference of the image and a blurred version of the image. It is commonly used on photographic images, and is provides a much more pleasing result than the standard sharpen filter.

MENUPATH

<Image>/Filters/Enhance/Unsharp Mask...

IMAGETYPES

GRAY*, RGB*

INPUT ARGUMENTS

TYPE	NAME	DESCRIPTION
INT32	run_mode	Interactive, non-interactive
IMAGE	image	(unused)
DRAWABLE	drawable	Drawable to draw on
FLOAT	radius	Radius of gaussian blur (in pixels > 1.0)
FLOAT	amount	Strength of effect
FLOAT	threshold	Threshold

SOME SYNTAX ALTERNATIVES

$drawable->unsharp_mask (radius,amount,threshold)
$image->unsharp_mask (drawable,radius,amount,threshold)
plug_in_unsharp_mask (drawable,radius,amount,threshold)
unsharp_mask Layer (drawable,radius,amount,threshold)
unsharp_mask Image (drawable,radius,amount,threshold)
unsharp_mask Plugin (drawable,radius,amount,threshold)

INSTALLATION PATH

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

AUTHOR

Winston Chang <winstonc@cs.wisc.edu>
(c)1999 Winston Chang