IM_SUBSAMPLE
Section: C Library Functions (3)
Updated: 19 Aug 1996
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NAME
im_subsample - subsample image by integer factor
SYNOPSIS
#include <vips/vips.h>
int im_subsample(in, out, xsub, ysub)
IMAGE *in, *out;
int xsub, ysub;
DESCRIPTION
im_subsample()
sub-samples image in by an x and y integer factor. It is much faster than
im_shrink(), especially for large partial images.
It works for any image type.
RETURN VALUE
The function returns 0 on success and -1 on error.
SEE ALSO
im_shrink(3), im_similarity(3), im_zoom(3)
COPYRIGHT
1989-1996 The National Gallery and Birkbeck College