72 lines
2.3 KiB
Lua
72 lines
2.3 KiB
Lua
--- Standardized error message formatter
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---@param module string -- Module name (e.g., "Color", "Theme", "Units")
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---@param message string -- Error message
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---@return string -- Formatted error message
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local function formatError(module, message)
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return string.format("[FlexLove.%s] %s", module, message)
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end
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-- ====================
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-- Color System
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-- ====================
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--- Utility class for color handling
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---@class Color
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---@field r number -- Red component (0-1)
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---@field g number -- Green component (0-1)
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---@field b number -- Blue component (0-1)
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---@field a number -- Alpha component (0-1)
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local Color = {}
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Color.__index = Color
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--- Create a new color instance
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---@param r number? -- Default: 0
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---@param g number? -- Default: 0
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---@param b number? -- Default: 0
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---@param a number? -- Default: 1
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---@return Color
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function Color.new(r, g, b, a)
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local self = setmetatable({}, Color)
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self.r = r or 0
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self.g = g or 0
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self.b = b or 0
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self.a = a or 1
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return self
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end
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---@return number r, number g, number b, number a
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function Color:toRGBA()
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return self.r, self.g, self.b, self.a
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end
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--- Convert hex string to color
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--- Supports both 6-digit (#RRGGBB) and 8-digit (#RRGGBBAA) hex formats
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---@param hexWithTag string -- e.g. "#RRGGBB" or "#RRGGBBAA"
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---@return Color
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---@throws Error if hex string format is invalid
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function Color.fromHex(hexWithTag)
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local hex = hexWithTag:gsub("#", "")
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if #hex == 6 then
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local r = tonumber("0x" .. hex:sub(1, 2))
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local g = tonumber("0x" .. hex:sub(3, 4))
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local b = tonumber("0x" .. hex:sub(5, 6))
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if not r or not g or not b then
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error(formatError("Color", string.format("Invalid hex string format: '%s'. Contains invalid hex digits", hexWithTag)))
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end
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return Color.new(r / 255, g / 255, b / 255, 1)
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elseif #hex == 8 then
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local r = tonumber("0x" .. hex:sub(1, 2))
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local g = tonumber("0x" .. hex:sub(3, 4))
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local b = tonumber("0x" .. hex:sub(5, 6))
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local a = tonumber("0x" .. hex:sub(7, 8))
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if not r or not g or not b or not a then
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error(formatError("Color", string.format("Invalid hex string format: '%s'. Contains invalid hex digits", hexWithTag)))
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end
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return Color.new(r / 255, g / 255, b / 255, a / 255)
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else
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error(formatError("Color", string.format("Invalid hex string format: '%s'. Expected #RRGGBB or #RRGGBBAA", hexWithTag)))
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end
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end
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return Color
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