int
vips_recomb (
VipsImage* in,
VipsImage** out,
VipsImage* m,
...
)
This operation recombines an image’s bands. Each pixel in in is treated as an n-element vector, where n is the number of bands in in, and multiplied by the n x m matrix m to produce the m-band image out.
out is always float, unless in is double, in which case out is double too. No complex images allowed.
It’s useful for various sorts of colour space conversions.
This method is not directly available to language bindings.
Parametersout
Type: VipsImage
Output image.
The argument will be set by the function. The caller of the method takes ownership of the returned data, and is responsible for freeing it.m
Type: VipsImage
Recombination matrix.
The data is owned by the caller of the method....
Type:
NULL-terminated list of optional named arguments.
Type: int
0 on success, -1 on error.
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