| .TH IM_FLOOD 3 "30 October 1992" |
| .SH NAME |
| im_flood, im_flood_blob \- flood a area |
| .SH SYNOPSIS |
| .B #include <vips/vips.h> |
| |
| int im_flood( im, x, y, ink, dout ) |
| .br |
| IMAGE *im; |
| .br |
| int x, y; |
| .br |
| PEL *ink; |
| .br |
| Rect *dout; |
| |
| int im_flood_blob( im, x, y, ink, dout ) |
| .br |
| IMAGE *im; |
| .br |
| int x, y; |
| .br |
| PEL *ink; |
| .br |
| Rect *dout; |
| |
| .SH DESCRIPTION |
| .B im_flood() |
| fills an enclosed area from a starting point, painting ink into 4-way |
| connected pels whose colour is not equal to ink. |
| |
| .B im_flood_blob() |
| floods with the ink colour, finding pels 4-way connected 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. |
| |
| .SH RETURN VALUE |
| All functions return 0 on success and -1 on error. |
| .SH SEE ALSO |
| im_insertplace(3), im_smudge(3). |
