59 lines
1.4 KiB
Lua
59 lines
1.4 KiB
Lua
local generic_colors = {
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header = "#999999",
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selected = "#72FF63",
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important = "#FFD700",
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additional = "#CCCCDD",
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highlighted = "#608631",
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new = "#00F529",
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warning = "#FF8800",
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disabled = "#332222",
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muted = "#CCCCCC",
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}
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local function get_base_color(c)
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return generic_colors[c] or ""
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end
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local function hex2rgb(hex)
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hex = hex:gsub("#","")
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return {
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r = tonumber("0x" .. hex:sub(1,2)),
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g = tonumber("0x" .. hex:sub(3,4)),
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b = tonumber("0x" .. hex:sub(5,6))
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}
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end
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local function rgb2hex(rgb)
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return "#" .. string.format("%x", rgb.r) .. string.format("%x", rgb.g) .. string.format("%x", rgb.b)
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end
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local function rgbColorsMix(colors)
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local R = 0
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local G = 0
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local B = 0
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for _, c in ipairs(colors) do
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R = R + c.r
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G = G + c.g
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B = B + c.b
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end
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R = math.floor(R / #colors + 0.5)
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G = math.floor(G / #colors + 0.5)
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B = math.floor(B / #colors + 0.5)
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return {r=R,g=G,b=B}
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end
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function mail.get_color(mix)
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if type(mix) == "string" then
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return get_base_color(mix)
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elseif #mix == 1 then
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return get_base_color(mix[1])
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else
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local colors2mix = {}
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for _, c in ipairs(mix) do
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colors2mix[#colors2mix+1] = hex2rgb(get_base_color(c))
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end
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local mixed_color = rgbColorsMix(colors2mix)
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return rgb2hex(mixed_color)
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end
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end
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