im_zoom3
Zoom an image
Usage
#include <vips/vips.h>
int im_zoom(in, out, xfac, yfac)
IMAGE *in, *out; int xfac, yfac;
Overview
im_zoom() zooms (ie. nearest neighbour upsampling) the image held by the image descriptor in by factors xfac and yfac and writes the result to the image descriptor out. Works for any type of image, even LABPACK.
Return value
The function returns 0 on success and -1 on error.
Releases
Unchanged in 4 releases since Debian 3.1 (Sarge).