| .TH IM_SUBSAMPLE 3 "19 Aug 1996" |
| .SH NAME |
| im_subsample \- subsample image by integer factor |
| .SH SYNOPSIS |
| #include <vips/vips.h> |
| |
| int im_subsample(in, out, xsub, ysub) |
| .br |
| IMAGE *in, *out; |
| .br |
| int xsub, ysub; |
| |
| .SH DESCRIPTION |
| .B 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. |
| .SH RETURN VALUE |
| The function returns 0 on success and -1 on error. |
| .SH SEE ALSO |
| im_shrink(3), im_similarity(3), im_zoom(3) |
| .SH COPYRIGHT |
| 1989-1996 The National Gallery and Birkbeck College |