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Bitmap/Bézier curves/Cubic: Difference between revisions
Added Julia language
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</lang>
=={{header|Julia}}==
{{works with|Julia|0.6}}
<lang julia>using Images
function cubicbezier!(xy::Matrix,
img::Matrix = fill(RGB(255.0, 255.0, 255.0), 17, 17),
col::ColorTypes.Color = convert(eltype(img), Gray(0.0)),
n::Int = 20)
t = collect(0:n) ./ n
M = hcat((1 .- t) .^ 3, # a
3t .* (1 .- t) .^ 2, # b
3t .^ 2 .* (1 .- t), # c
t .^ 3) # d
p = floor.(Int, M * xy)
for i in 1:n
drawline!(img, p[i, :]..., p[i+1, :]..., col)
end
return img
end
xy = [16 1; 1 4; 3 16; 15 11]
cubicbezier!(xy)</lang>
=={{header|Mathematica}} / {{header|Wolfram Language}}==
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