41 lines
761 B
Groff
41 lines
761 B
Groff
.TH IM_SMUDGE 3 "30 October 1992"
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.SH NAME
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im_smudge, im_smear \- filter and smudge in place
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.SH SYNOPSIS
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.B #include <vips/vips.h>
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int
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.br
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im_smudge( im, ix, iy, r )
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.br
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IMAGE *im;
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.br
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int ix, iy;
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.br
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Rect *r;
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int
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.br
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im_smear( im, ix, iy, r )
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.br
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IMAGE *im;
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.br
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int ix, iy;
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.br
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Rect *r;
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.SH DESCRIPTION
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im_smudge() performs a low-pass filter of the pels inside rect r. Rect r is
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clipped against the edges of the image. im_smear() is not very useful.
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Both these functions are `in place,' that is, they write directly to the
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output image! Be very careful, you can destroy data.
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.SH RETURN VALUE
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All functions return 0 on success and -1 on error.
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.SH SEE\ ALSO
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im_insertplace(3), im_readpoint(3).
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.SH COPYRIGHT
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.br
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National Gallery, 1992
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.SH AUTHOR
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J. Cupitt
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