41 lines
808 B
Groff
41 lines
808 B
Groff
.TH IM_FLOOD 3 "30 October 1992"
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.SH NAME
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im_flood, im_flood_blob \- flood a area
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.SH SYNOPSIS
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.B #include <vips/vips.h>
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int im_flood( im, x, y, ink, dout )
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.br
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IMAGE *im;
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.br
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int x, y;
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.br
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PEL *ink;
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.br
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Rect *dout;
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int im_flood_blob( im, x, y, ink, dout )
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.br
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IMAGE *im;
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.br
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int x, y;
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.br
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PEL *ink;
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.br
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Rect *dout;
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.SH DESCRIPTION
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.B im_flood()
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fills an enclosed area from a starting point, painting ink into 4-way
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connected pels whose colour is not equal to ink.
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.B im_flood_blob()
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floods with the ink colour, finding pels 4-way connected to the start pel
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which are the same colour as the start pel. It is useful for changing the
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colour of a blob of pels which all have the same value.
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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_smudge(3).
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