IM_SIMCONTR(3)

NAME

im_simcontr - shows the effect of simultaneous contrast

SYNOPSIS

#include <vips/vips.h>

int im_simcontr( image, xsize, ysize )
IMAGE *image;
int xsize, ysize;

DESCRIPTION

im_simcontr() creates an unsigned char one band grey scale image of sizes xsize by ysize. The created pattern consists of two neighbouring squares one dark (left square) and one light (right square). The left one contains a smaller light square and the right one contains a darker square.

RETURN VALUE

The function returns 0 on success and -1 on error.

SEE ALSO

im_grey(3)

COPYRIGHT

N. Dessipris

AUTHOR

N. Dessipris - 10/05/1991

10 May 1991 IM_SIMCONTR(3)