xzoom(6D)

NAME
     xzoom - magnify or minify an image in the x direction

SYNOPSIS
     xzoom inimage outimage xscale yscale [-i -b -t -m or -q] [-w blurfactor]

DESCRIPTION
     xzoom magnifies or minifies an image in the x direction with or without
     filtering (xscale and yscale are floating point values).  The filtering
     method is one pass, uses 1-d convolution, and is optimized by integer
     arithmetic and precomputation of filter coefficients.  Normally xzoom
     uses a triangle filter kernel in the x direction.  The -i (impulse)
     option causes xzoom to do no filtering as the image is resized.  The -b
     (box) option causes xzoom to use a box as the filter kernel.  The -t
     (triangle) option is the default. The -m (mitchell) option uses a cubic
     filter kernel.  The -q (quadratic) indicates that a quadradic function
     should be used as the filter kernel.

SEE ALSO
     izoom(6D)