im_flood(3) im_flood(3)
NAME
im_flood, im_flood_blob - flood a area
SYNOPSIS
#include <vips/vips.h>
int im_flood( im, x, y, ink, dout )
IMAGE *im;
int x, y;
PEL *ink;
Rect *dout;
int im_flood_blob( im, x, y, ink, dout )
IMAGE *im;
int x, y;
PEL *ink;
Rect *dout;
DESCRIPTION
im_flood() fills an enclosed area from a starting point, painting ink
into 4-way connected pels whose colour is not equal to ink.
im_flood_blob() floods with the ink colour, finding pels 4-way con-
nected to the start pel which are the same colour as the start pel. It
is useful for changing the colour of a blob of pels which all have the
same value.
RETURN VALUE
All functions return 0 on success and -1 on error.
SEE ALSO
im_insertplace(3), im_smudge(3).
30 October 1992 im_flood(3)
im_flood 7.14.5 - Generated Sun Sep 7 09:23:16 CDT 2008