im_smear(3) - Linux man page
Name
im_smudge, im_smear - filter and smudge in placeSynopsis
#include <vips/vips.h>#include <vips/rect.h>
int
im_smudge( im, ix, iy, r )
IMAGE *im;
int ix, iy;
Rect *r;
int
im_smear( im, ix, iy, r )
IMAGE *im;
int ix, iy;
Rect *r;
Description
im_smudge() performs a low-pass filter of the pels inside rect r. Rect r is clipped against the edges of the image. im_smear() is not very useful.Both these functions are 'in place,' that is, they write directly to the output image! Be very careful, you can destroy data.