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-- print("r"..self.red.."g"..self.green.."b"..self.blue.." is h"..hue.."s"..saturation.."l"..luminosity)
local temp = from_hsl({hue=hue,saturation=saturation,luminosity=luminosity},self.alpha)
-- print("back is r"..temp.red.."g"..temp.green.."b"..temp.blue)
return { hue = hue, saturation = saturation, luminosity = luminosity }
end;
readable = function(self, target)
target = target or 0.5
local hsl = self:to_hsl()
hsl.luminosity = target
return from_hsl(hsl, self.alpha)
end;
bg = function(self, text) return
text .. minetest.get_background_escape_sequence(self:hex())
end;
................................................................................
brighten = function(self, fac)
-- Use HSL to brighten
-- To HSL
local hsl = self:to_hsl()
-- Do the calculation, clamp to 0-1 instead of the clamp fn
hsl.luminosity = math.min(math.max(hsl.luminosity * fac, 0), 1)
-- Turn back into RGB color
local t = from_hsl(hsl, self.alpha)
-- print("brighten is r"..t.red.."g"..t.green.."b"..t.blue)
return from_hsl(hsl, self.alpha)
end;
darken = warp(function(new, fac)
-- TODO: is there any point to this being different than brighten? Probably especially not now.
new.red = clip(new.red - (new.red * fac))
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-- print("r"..self.red.."g"..self.green.."b"..self.blue.." is h"..hue.."s"..saturation.."l"..luminosity)
local temp = from_hsl({hue=hue,saturation=saturation,luminosity=luminosity},self.alpha)
-- print("back is r"..temp.red.."g"..temp.green.."b"..temp.blue)
return { hue = hue, saturation = saturation, luminosity = luminosity }
end;
readable = function(self, target)
target = target or 0.6
local hsl = self:to_hsl()
hsl.luminosity = target
local worstHue = 230
local nearness = math.abs(worstHue - hsl.hue)
if nearness <= 70 then
local boost = 1.0 - (nearness / 70)
hsl.luminosity = math.min(1, hsl.luminosity * (1 + (boost*0.4)))
end
return from_hsl(hsl, self.alpha)
end;
bg = function(self, text) return
text .. minetest.get_background_escape_sequence(self:hex())
end;
................................................................................
brighten = function(self, fac)
-- Use HSL to brighten
-- To HSL
local hsl = self:to_hsl()
-- Do the calculation, clamp to 0-1 instead of the clamp fn
hsl.luminosity = math.min(math.max(hsl.luminosity * fac, 0), 1)
-- Turn back into RGB color
-- local t = from_hsl(hsl, self.alpha)
-- print("darker is r"..hsl.red.."g"..hsl.green.."b"..hsl.blue)
-- print("brighten is r"..t.red.."g"..t.green.."b"..t.blue)
return from_hsl(hsl, self.alpha)
end;
darken = warp(function(new, fac)
-- TODO: is there any point to this being different than brighten? Probably especially not now.
new.red = clip(new.red - (new.red * fac))
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