27 lines
861 B
Groff
27 lines
861 B
Groff
.TH IM_VIPS2MASK 3 "6 June 1994"
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.SH NAME
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im_vips2mask, im_mask2vips \- convert between masks and images
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.SH SYNOPSIS
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.B #include <vips/vips.h>
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DOUBLEMASK *im_vips2mask( IMAGE *in, char *out_name )
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int im_mask2vips( DOUBLEMASK *in, IMAGE *out )
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.SH DESCRIPTION
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.B im_vips2mask(3)
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returns a DOUBLEMASK of name out_name containing the data from IMAGE in.
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Images must have either one band, a width of 1, or a height of 1.
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Returns NULL on error, and a new mask on success.
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The scale field is set to 1.0 and the offset to 0.0.
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.B im_mask2vips(3)
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writes the doubles held in mask in to the IMAGE out. It creates a one-band
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image of the same size as in. It returns 0 on success and -1 on error. The
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scale and offset fields are ignored.
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.SH SEE ALSO
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im_openin(3), im_openout(3), im_setbuf(3), edvips(3), im_create_dmask(3).
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.SH COPYRIGHT
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.br
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National Gallery, 1994
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