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im_line - writes a line on a vasari image
#include <vips/vips.h>
int im_line(image, x1, y1, x2, y2, pelval)
IMAGE *image;
int x1, x2, y1, y2, pelval;
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_fastline(3)
or im_fastlineuser(3)
.
The
function returns 0 on success and -1 on error.
im_grey(3)
, im_fastline(3)
.
N. Dessipris
N. Dessipris - 10/05/1991
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