Grayscale image: Difference between revisions
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return image |
return image |
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end function</lang> |
end function</lang> |
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=={{header|Factor}}== |
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{{works with|Factor|0.99 2020-07-03}} |
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<lang factor>USING: arrays kernel math math.matrices math.vectors ; |
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: rgb>gray ( matrix -- new-matrix ) |
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[ { 0.2126 0.7152 0.0722 } vdot >integer ] matrix-map ; |
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: gray>rgb ( matrix -- new-matrix ) |
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[ dup dup 3array ] matrix-map ;</lang> |
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=={{header|FBSL}}== |
=={{header|FBSL}}== |
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