im_line(3) im_line(3)
NAME
im_line - writes a line on a vasari image
SYNOPSIS
#include <vips/vips.h>
int im_line(image, x1, y1, x2, y2, pelval)
IMAGE *image;
int x1, x2, y1, y2, pelval;
DESCRIPTION
im_line() draws a line in the image held by image. The start of the
line is at point (x1,y1) and the end is at (x2,y2). The intensity of
the drawn line is pelval. Input image should be one byte unsigned
char. The function overwrites any data in the file, so take care when
applying it.
This function is here for compatibility only. You should use im_fast-
line(3) or im_fastlineuser(3).
RETURN VALUE
The function returns 0 on success and -1 on error.
SEE ALSO
im_grey(3), im_fastline(3).
COPYRIGHT
N. Dessipris
AUTHOR
N. Dessipris - 10/05/1991
10 May 1991 im_line(3)
im_line 7.14.5 - Generated Sun Sep 7 18:51:54 CDT 2008