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ESO Lua File v101032

libraries/utility/zo_colordef.lua

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-- ColorDef implementation
ZO_ColorDef = ZO_Object:Subclass()
function ZO_ColorDef:New(r, g, b, a)
    local c = ZO_Object.New(self)
    if type(r) == "string" then
        c.r, c.g, c.b, c.a = self.HexToFloats(r)
    elseif type(r) == "table" then
        local otherColorDef = r
        c.r = otherColorDef.r or 1
        c.g = otherColorDef.g or 1
        c.b = otherColorDef.b or 1
        c.a = otherColorDef.a or 1
    else
        c.r = r or 1
        c.g = g or 1
        c.b = b or 1
        c.a = a or 1
    end
    return c
end
function ZO_ColorDef.FromInterfaceColor(colorType, fieldValue)
    return ZO_ColorDef:New(GetInterfaceColor(colorType, fieldValue))
end
function ZO_ColorDef:UnpackRGB()
    return self.r, self.g, self.b
end
function ZO_ColorDef:UnpackRGBA()
    return self.r, self.g, self.b, self.a
end
function ZO_ColorDef:SetRGB(r, g, b)
     self.r = r
     self.g = g
     self.b = b
end
function ZO_ColorDef:SetRGBA(r, g, b, a)
     self.r = r
     self.g = g
     self.b = b
     self.a = a
end
function ZO_ColorDef:SetAlpha(a)
    self.a = a
end
function ZO_ColorDef:IsEqual(other)
    return self.r == other.r
       and self.g == other.g
       and self.b == other.b
       and self.a == other.a
end
function ZO_ColorDef:Clone()
     return ZO_ColorDef:New(self:UnpackRGBA())
end
function ZO_ColorDef:ToHex()
    return self.FloatsToHex(self.r, self.g, self.b, 1)
end
function ZO_ColorDef:ToARGBHex()
    return self.FloatsToHex(self.r, self.g, self.b, self.a)
end
function ZO_ColorDef:Colorize(text)
     local combineTable = { "|c", self:ToHex(), tostring(text), "|r" }
     return table.concat(combineTable)
end
function ZO_ColorDef:Lerp(colorToLerpTorwards, amount)
     return ZO_ColorDef:New(
        zo_lerp(self.r, colorToLerpTorwards.r, amount),
        zo_lerp(self.g, colorToLerpTorwards.g, amount),
        zo_lerp(self.b, colorToLerpTorwards.b, amount),
        zo_lerp(self.a, colorToLerpTorwards.a, amount)
    )
end
function ZO_ColorDef:ToHSL()
    return ConvertRGBToHSL(self.r, self.g, self.b)
end
function ZO_ColorDef:ToHSV()
    return ConvertRGBToHSV(self.r, self.g, self.b)
end
-- Utility functions for ColorDef...
-- Some of these functions are not fast, they were copied from an internal dev utility.
-- RGBA values are values from 0 - 255
-- Float values are values from 0 - 1
-- Hex values are either 6 (RRGGBB) or 8 (AARRGGBB) character hexideciaml strings (e.g.: 0fc355, bb0fc355)
local g_colorDef = ZO_ColorDef
function ZO_ColorDef.RGBAToFloats(r, g, b, a)
    return r / 255, g / 255, b / 255, a / 255
end
function ZO_ColorDef.FloatsToRGBA(r, g, b, a)
    return zo_round(r * 255), zo_round(g * 255), zo_round(b * 255), zo_round(a * 255)
end
function ZO_ColorDef.RGBAToStrings(r, g, b, a)
    return string.format("%d", r), string.format("%d", g), string.format("%d", b), string.format("%d", a)
end
function ZO_ColorDef.FloatsToStrings(r, g, b, a)
    return string.format("%.3f", r), string.format("%.3f", g), string.format("%.3f", b), string.format("%.3f", a)
end
function ZO_ColorDef.RGBAToHex(r, g, b, a)
    if a == 255 then
        return string.format("%02x%02x%02x", r, g, b)
    else
        return string.format("%02x%02x%02x%02x", a, r, g, b)
    end
end
function ZO_ColorDef.FloatsToHex(r, g, b, a)
    r, g, b, a = g_colorDef.FloatsToRGBA(r, g, b, a)
    return g_colorDef.RGBAToHex(r, g, b, a)
end
do
    local function ConsumeRightmostChannel(value)
        local channel = value % 256
        value = zo_floor(value / 256)
        return channel, value
    end
    function ZO_ColorDef.HexToRGBA(hexColor)
        local hexColorLen = #hexColor
        if hexColorLen >= 6 then
            local value = tonumber(hexColor, 16)
            if value then
                local r, g, b, a
                b, value = ConsumeRightmostChannel(value)
                g, value = ConsumeRightmostChannel(value)
                r, value = ConsumeRightmostChannel(value)
                if hexColorLen >= 8 then
                    a = ConsumeRightmostChannel(value)
                else
                    a = 255
                end
                return r, g, b, a
            end
        end
    end
    function ZO_ColorDef.HexToFloats(hexColor)
        local r, g, b, a = g_colorDef.HexToRGBA(hexColor)
        if r then
            return g_colorDef.RGBAToFloats(r, g, b, a)
        end
    end
end