extract_swatch: Extract swatch RGB values from a raw RGB array
In hypercompetent/xstitch: Cross-stitch pattern generation.

Extract swatch RGB values from a raw RGB array

1	extract_swatch(arr, xmin, xmax, ymin, ymax)

`arr`	The 3D RGB array to use
`xmin`	The position of the leftmost pixel column
`xmax`	The position of the rightmost pixel column
`ymin`	The position of the topmost pixel row
`ymax`	The position of the bottom pixel row

a 3-column matrix with numeric values for red, green, and blue between 0 and 255

hypercompetent/xstitch documentation built on July 22, 2019, 10:11 p.m.

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