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Name

im_grey, im_fgrey - creates a left-right grey scale

Synopsis

#include <vips/vips.h>

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

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

Description

im_grey() creates a one-band FMTUCHAR grey scale image of sizes xsize by ysize. The intensity varies from 0 (left) to 255 (right).

im_fgrey() works as im_grey(), except that the output image is FMTFLOAT, allowing pixel values from 0 (left) to 1.0 (right).

Return Value

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

See Also

im_black(3X)

Copyright

Birkbeck College and the National Gallery, 1995


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