Table of Contents
im_subsample - subsample image by integer factor
#include <vips/vips.h>
int im_subsample(in, out, xsub, ysub)
IMAGE *in, *out;
int xsub, ysub;
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.
The function
returns 0 on success and -1 on error.
im_shrink(3)
, im_similarity(3)
,
im_zoom(3)
1989-1996 The National Gallery and Birkbeck College
Table of Contents