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im_vips2mask, im_mask2vips - convert between masks and images
#include
<vips/vips.h>
DOUBLEMASK *im_vips2mask( IMAGE *in, char *out_name )
int
im_mask2vips( DOUBLEMASK *in, IMAGE *out )
im_vips2mask(3)
returns
a DOUBLEMASK of name out_name containing the data from IMAGE in. Images
must have either one band, a width of 1, or a height of 1. Returns NULL
on error, and a new mask on success. The scale field is set to 1.0 and the
offset to 0.0.
im_mask2vips(3)
writes the doubles held in mask in to the
IMAGE out. It creates a one-band image of the same size as in. It returns
0 on success and -1 on error. The scale and offset fields are ignored.
im_openin(3)
, im_openout(3)
, im_setbuf(3)
, edvips(3)
, im_create_dmask(3)
.
National Gallery, 1994
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