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working on colors

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This commit is contained in:
Thomas Breloff 2015-09-18 17:20:35 -04:00
parent 455f85e230
commit 5405c1d240
1 changed files with 14 additions and 10 deletions
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24
src/args.jl
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@ -189,33 +189,37 @@ convertColor(c::Union{AbstractString, Symbol}) = parse(Colorant, string(c))
convertColor(c::Colorant) = c
convertColor(cvec::AbstractVector) = map(convertColor, cvec)
# for now, choose a boundary value on the other side from the background value
function adjustAway(bgval, vmin=0., vmax=100.)
bgval < 0.5 * (vmax+vmin) ? vmax : vmin
# # for now, choose a boundary value on the other side from the background value
# function adjustAway(val, bgval, vmin=0., vmax=100.)
# bgval < 0.5 * (vmax+vmin) ? vmax : vmin
# end
# move closer to lighter/darker depending on background value
function adjustAway(val, bgval, vmin=0., vmax=100.)
if bgval < 0.5 * (vmax+vmin)
return 0.5 * (max(val, bgval) + vmax)
else
return 0.5 * (min(val, bgval) + vmin)
end
end
function getBackgroundRGBColor(c, d::Dict)
bgcolor = convertColor(d[:background_color])
d[:background_color] = bgcolor
# d[:color_palette] = RGB{Float64}[bgcolor]
palette = distinguishable_colors(20, bgcolor)[2:end]
@show palette
# try to adjust colors away from background color
# for now, lets do this by moving both lightness and chroma to to other side of the spectrum as compared to the background
# try to adjust lightness away from background color
bg_lab = Lab(bgcolor)
palette = RGB{Float64}[begin
lab = Lab(rgb)
Lab(
adjustAway(bg_lab.l, -128, 128),
# adjustAway(bg_lab.a, -128, 128),
adjustAway(lab.l, bg_lab.l, 25, 75),
lab.a,
lab.b
)
end for rgb in palette]
d[:color_palette] = palette
@show d[:color_palette]
bgcolor
end