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im_simcontr - shows the effect of simultaneous contrast
#include
<vips/vips.h>
int im_simcontr( image, xsize, ysize )
IMAGE *image;
int xsize, ysize;
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 containes a smaller light square and the right one
containes a darker square.
The function returns 0 on success
and -1 on error.
im_grey(3)
N. Dessipris
N. Dessipris - 10/05/1991
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