←模块:Color欢迎来到Undertale社区维基(*｀∀´*)ノ亻，如果想要参与条目创建或编辑，请先登录哦因为以下原因，您没有权限编辑本页： 您请求的操作仅限属于该用户组的用户执行：用户 您可以查看和复制此页面的源代码。 -- 该模块主要用于操作颜色。 local colorKeywords = { aliceblue = { 240, 248, 255 }, antiquewhite = { 250, 235, 215 }, aqua = { 0, 255, 255 }, aquamarine = { 127, 255, 212 }, azure = { 240, 255, 255 }, beige = { 245, 245, 220 }, bisque = { 255, 228, 196 }, black = { 0, 0, 0 }, blanchedalmond = { 255, 235, 205 }, blue = { 0, 0, 255 }, blueviolet = { 138, 43, 226 }, brown = { 165, 42, 42 }, burlywood = { 222, 184, 135 }, cadetblue = { 95, 158, 160 }, chartreuse = { 127, 255, 0 }, chocolate = { 210, 105, 30 }, coral = { 255, 127, 80 }, cornflowerblue = { 100, 149, 237 }, cornsilk = { 255, 248, 220 }, crimson = { 220, 20, 60 }, cyan = { 0, 255, 255 }, darkblue = { 0, 0, 139 }, darkcyan = { 0, 139, 139 }, darkgoldenrod = { 184, 134, 11 }, darkgray = { 169, 169, 169 }, darkgreen = { 0, 100, 0 }, darkgrey = { 169, 169, 169 }, darkkhaki = { 189, 183, 107 }, darkmagenta = { 139, 0, 139 }, darkolivegreen = { 85, 107, 47 }, darkorange = { 255, 140, 0 }, darkorchid = { 153, 50, 204 }, darkred = { 139, 0, 0 }, darksalmon = { 233, 150, 122 }, darkseagreen = { 143, 188, 143 }, darkslateblue = { 72, 61, 139 }, darkslategray = { 47, 79, 79 }, darkslategrey = { 47, 79, 79 }, darkturquoise = { 0, 206, 209 }, darkviolet = { 148, 0, 211 }, deeppink = { 255, 20, 147 }, deepskyblue = { 0, 191, 255 }, dimgray = { 105, 105, 105 }, dimgrey = { 105, 105, 105 }, dodgerblue = { 30, 144, 255 }, firebrick = { 178, 34, 34 }, floralwhite = { 255, 250, 240 }, forestgreen = { 34, 139, 34 }, fuchsia = { 255, 0, 255 }, gainsboro = { 220, 220, 220 }, ghostwhite = { 248, 248, 255 }, gold = { 255, 215, 0 }, goldenrod = { 218, 165, 32 }, gray = { 128, 128, 128 }, green = { 0, 128, 0 }, greenyellow = { 173, 255, 47 }, grey = { 128, 128, 128 }, honeydew = { 240, 255, 240 }, hotpink = { 255, 105, 180 }, indianred = { 205, 92, 92 }, indigo = { 75, 0, 130 }, ivory = { 255, 255, 240 }, khaki = { 240, 230, 140 }, lavender = { 230, 230, 250 }, lavenderblush = { 255, 240, 245 }, lawngreen = { 124, 252, 0 }, lemonchiffon = { 255, 250, 205 }, lightblue = { 173, 216, 230 }, lightcoral = { 240, 128, 128 }, lightcyan = { 224, 255, 255 }, lightgoldenrodyellow = { 250, 250, 210 }, lightgray = { 211, 211, 211 }, lightgreen = { 144, 238, 144 }, lightgrey = { 211, 211, 211 }, lightpink = { 255, 182, 193 }, lightsalmon = { 255, 160, 122 }, lightseagreen = { 32, 178, 170 }, lightskyblue = { 135, 206, 250 }, lightslategray = { 119, 136, 153 }, lightslategrey = { 119, 136, 153 }, lightsteelblue = { 176, 196, 222 }, lightyellow = { 255, 255, 224 }, lime = { 0, 255, 0 }, limegreen = { 50, 205, 50 }, linen = { 250, 240, 230 }, magenta = { 255, 0, 255 }, maroon = { 128, 0, 0 }, mediumaquamarine = { 102, 205, 170 }, mediumblue = { 0, 0, 205 }, mediumorchid = { 186, 85, 211 }, mediumpurple = { 147, 112, 219 }, mediumseagreen = { 60, 179, 113 }, mediumslateblue = { 123, 104, 238 }, mediumspringgreen = { 0, 250, 154 }, mediumturquoise = { 72, 209, 204 }, mediumvioletred = { 199, 21, 133 }, midnightblue = { 25, 25, 112 }, mintcream = { 245, 255, 250 }, mistyrose = { 255, 228, 225 }, moccasin = { 255, 228, 181 }, navajowhite = { 255, 222, 173 }, navy = { 0, 0, 128 }, oldlace = { 253, 245, 230 }, olive = { 128, 128, 0 }, olivedrab = { 107, 142, 35 }, orange = { 255, 165, 0 }, orangered = { 255, 69, 0 }, orchid = { 218, 112, 214 }, palegoldenrod = { 238, 232, 170 }, palegreen = { 152, 251, 152 }, paleturquoise = { 175, 238, 238 }, palevioletred = { 219, 112, 147 }, papayawhip = { 255, 239, 213 }, peachpuff = { 255, 218, 185 }, peru = { 205, 133, 63 }, pink = { 255, 192, 203 }, plum = { 221, 160, 221 }, powderblue = { 176, 224, 230 }, purple = { 128, 0, 128 }, red = { 255, 0, 0 }, rosybrown = { 188, 143, 143 }, royalblue = { 65, 105, 225 }, saddlebrown = { 139, 69, 19 }, salmon = { 250, 128, 114 }, sandybrown = { 244, 164, 96 }, seagreen = { 46, 139, 87 }, seashell = { 255, 245, 238 }, sienna = { 160, 82, 45 }, silver = { 192, 192, 192 }, skyblue = { 135, 206, 235 }, slateblue = { 106, 90, 205 }, slategray = { 112, 128, 144 }, slategrey = { 112, 128, 144 }, snow = { 255, 250, 250 }, springgreen = { 0, 255, 127 }, steelblue = { 70, 130, 180 }, tan = { 210, 180, 140 }, teal = { 0, 128, 128 }, thistle = { 216, 191, 216 }, tomato = { 255, 99, 71 }, turquoise = { 64, 224, 208 }, violet = { 238, 130, 238 }, wheat = { 245, 222, 179 }, white = { 255, 255, 255 }, whitesmoke = { 245, 245, 245 }, yellow = { 255, 255, 0 }, yellowgreen = { 154, 205, 50 }, } local rgbRegex = '^rgb%(%s-(%d-),%s-(%d-)%s-,%s-(%d-)%s-%)$' local rgbaRegex = '^rgba%(%s-(%d-),%s-(%d-)%s-,%s-(%d-)%s-,%s-([%d%.]+)%s-%)$' local hslRegex = '^hsl%(%s-(%d-),%s-(%d-)%%%s-,%s-(%d-)%%%s-%)$' local hslaRegex = '^hsla%(%s-(%d-),%s-(%d-)%%%s-,%s-(%d-)%%%s-,%s-([%d%.]+)%s-%)$' local hexRegex = '^[#＃](%x%x)(%x%x)(%x%x)$' local hexShorthandRegex = '^[#＃](%x)(%x)(%x)$' --[[ Color实例结构 interface ColorInstance { __index = Color value: [number, number, number] format: 'rgb' | 'hsl' opacity: number } ]] local Color = {} local colorMetaTable = { __index = Color } --[[ @param {number} min @param {number} max @return {number} ]] function _random(min, max) return tonumber(mw.getCurrentFrame():expandTemplate{ title = 'random', args = { min, max } }) end --[[ @desc 操作颜色加深减淡 @param {[number, number, number]} rgb @param {'+' | '-'} operator - 加深，减淡 @param {number} ratio 范围：0 ~ 100 @return {[number, number, number]} ]] function _computeRgb(rgb, operator, ratio) local ranges = {} local cloneRgb = { rgb[1], rgb[2], rgb[3] } for i, v in ipairs(rgb) do ranges[i] = { ['-'] = (255 - v) / 100, ['+'] = -v / 100 } end for i, v in ipairs(cloneRgb) do cloneRgb[i] = v + ranges[i][operator] * ratio if cloneRgb[i] < 0 then cloneRgb[i] = 0 end if cloneRgb[i] > 255 then cloneRgb[i] = 255 end end return cloneRgb end --[[ @desc 判断一个字符串或table是否为合法的color值 @param {(string | [number, number, number])} rawValue - 接受一个字符串或数组table，有效的格式有：css颜色关键字，hex颜色，hex简写颜色，rgb函数，rgba函数，hsl函数，hsla函数 @return {boolean} ]] function Color.isColorStr(rawValue) if type(rawValue) == 'string' then if rawValue:find(rgbRegex) or rawValue:find(rgbaRegex) or rawValue:find(hslRegex) or rawValue:find(hslaRegex) or mw.ustring.find(rawValue, hexRegex) or mw.ustring.find(rawValue, hexShorthandRegex) or colorKeywords[rawValue] then return true end elseif type(rawValue) == 'table' then local isVilid = true for i, v in ipairs(rawValue) do if i > 3 then isVilid = false end if type(v) ~= 'number' then isVilid = false end end if isVilid then return end end return false end --[[ @desc 创建一个Color实例 @param {(string | [number, number, number])} rawValue - 接受一个字符串或数组table，有效的格式有：css颜色关键字，hex颜色，hex简写颜色，rgb函数，rgba函数，hsl函数，hsla函数 @return {(Color | nil)} - 如果rawValue无效，则返回nil ]] function Color.create(rawValue) if Color.isColorStr(rawValue) == false then return nil end local color = setmetatable({}, colorMetaTable) local _, r_h, g_s, b_l, opacity -- rgb or hsl if type(rawValue) == 'string' then if rawValue:find(rgbRegex) then color.format = 'rgb' _, _, r_h, g_s, b_l = rawValue:find(rgbRegex) r_h = tonumber(r_h) g_s = tonumber(g_s) b_l = tonumber(b_l) elseif rawValue:find(rgbaRegex) then color.format = 'rgb' _, _, r_h, g_s, b_l, opacity = rawValue:find(rgbaRegex) r_h = tonumber(r_h) g_s = tonumber(g_s) b_l = tonumber(b_l) opacity = tonumber(opacity) elseif rawValue:find(hslRegex) then color.format = 'hsl' _, _, r_h, g_s, b_l = rawValue:find(hslRegex) r_h = tonumber(r_h) g_s = tonumber(g_s) b_l = tonumber(b_l) elseif rawValue:find(hslaRegex) then color.format = 'hsl' _, _, r_h, g_s, b_l, opacity = rawValue:find(hslaRegex) r_h = tonumber(r_h) g_s = tonumber(g_s) b_l = tonumber(b_l) opacity = tonumber(opacity) elseif mw.ustring.find(rawValue, hexRegex) then color.format = 'rgb' _, _, r_h, g_s, b_l = mw.ustring.find(rawValue, hexRegex) r_h = tonumber(r_h, 16) g_s = tonumber(g_s, 16) b_l = tonumber(b_l, 16) elseif mw.ustring.find(rawValue, hexShorthandRegex) then color.format = 'rgb' _, _, r_h, g_s, b_l = mw.ustring.find(rawValue, hexShorthandRegex) r_h = tonumber(r_h, 16) * 17 g_s = tonumber(g_s, 16) * 17 b_l = tonumber(b_l, 16) * 17 else color.format = 'rgb' local colorkeywordRgb = colorKeywords[rawValue] r_h = colorkeywordRgb[1] g_s = colorkeywordRgb[2] b_l = colorkeywordRgb[3] end elseif type(rawValue) == 'table' then color.format = 'rgb' r_h = rawValue[1] g_s = rawValue[2] b_l = rawValue[3] opacity = rawValue[4] end color.value = { r_h, g_s, b_l } color.opacity = opacity or 1 return color end --[[ @desc 克隆一个Color对象 @param {Color} this @return {Color} - 一个新的Color对象 ]] function Color.clone(this) local rgb = this:rgb().value return Color.create(rgb):setOpacity(this.opacity) end --[[ @desc rgb转hsl @param {number} r @param {number} g @param {number} b @return [number, number, number] - 返回的所有值均为整数 ]] function Color.rgb2hsl(r, g, b) r = r / 255 g = g / 255 b = b / 255 local max = math.max(r, g, b) local min = math.min(r, g, b) local diff = max - min local h, s local l = (max + min) / 2 if max == min then h = 0 s = 0 elseif max == r and g >= b then h = 60 * ((g - b) / diff) elseif max == r and g < b then h = 60 * ((g - b) / diff) + 360 elseif max == g then h = 60 * ((b - r) / diff) + 120 elseif max == b then h = 60 * ((r - g) / diff) + 240 end if l == 0 or max == min then s = 0 elseif 0 < 1 and l <= 0.5 then s = diff / (2 * l) elseif l > 0.5 then s = diff / (2 - 2 * l) end return { math.floor(h + 0.5), math.floor(s * 100 + 0.5), math.floor(l * 100 + 0.5) } end --[[ @desc hsl转rgb @param {number} h @param {number} s - css中使用百分比，但该函数需要传整数 50% => 50 @param {number} l - css中使用百分比，但该函数需要传整数 50% => 50 @return [number, number, number] ]] function Color.hsl2rgb(h, s, l) s = s / 100 l = l / 100 local c = (1 - math.abs(2 * l - 1)) * s local x = c * (1 - math.abs(((h / 60) % 2) - 1)) local m = l - c / 2 local vRGB = {} if h >=0 and h < 60 then vRGB = {c, x, 0} elseif h >= 60 and h < 120 then vRGB = {x, c, 0} elseif h >= 120 and h < 180 then vRGB = {0, c, x} elseif h >= 180 and h < 240 then vRGB = {0, x, c} elseif h >= 240 and h < 300 then vRGB = {x, 0, c} elseif h >= 300 and h < 360 then vRGB = {c, 0, x} end local r = 255 * (vRGB[1] + m) local g = 255 * (vRGB[2] + m) local b = 255 * (vRGB[3] + m) return { math.floor(r + 0.5), math.floor(g + 0.5), math.floor(b + 0.5) } end --[[ @desc 将color对象的数据转为rgb格式 @param {Color} this @return {Color} - this ]] function Color.rgb(this) if this.format == 'rgb' then return this end if this.format == 'hsl' then this.value = Color.hsl2rgb(this.value[1], this.value[2], this.value[3]) this.format = 'rgb' end return this end --[[ @desc 将color对象的数据转为hsl格式 @param {Color} this @return {Color} - this ]] function Color.hsl(this) if this.format == 'hsl' then return this end if this.format == 'rgb' then this.value = Color.rgb2hsl(this.value[1], this.value[2], this.value[3]) this.format = 'hsl' end return this end --[[ @desc 加深一个颜色(明度-) @param {Color} this @param {number} ratio - 范围：0 ~ 100 @return {Color} - this ]] function Color.darken(this, ratio) local rgb = this:rgb().value this.value = _computeRgb(rgb, '+', ratio) return this end --[[ @desc 减淡一个颜色(明度+) @param {Color} this @param {number} ratio - 范围：0 ~ 100 @return {Color} - this ]] function Color.lighten(this, ratio) local rgb = this:rgb().value this.value = _computeRgb(rgb, '-', ratio) return this end --[[ @desc 提高一个颜色的饱和度 @param {Color} this @param {number} ratio - 范围：0 ~ 100 @return {Color} - this ]] function Color.saturate(this, ratio) local hsl = this:hsl().value this.value[2] = hsl[2] + (100 - hsl[2]) * (ratio / 100) if this.value[2] > 100 then this.value[2] = 100 end return this end --[[ @desc 降低一个颜色的饱和度 @param {Color} this @param {number} ratio - 范围：0 ~ 100 @return {Color} - this ]] function Color.desaturate(this, ratio) local hsl = this:hsl().value this.value[2] = hsl[2] - hsl[2] * (ratio / 100) if this.value[2] < 0 then this.value[2] = 0 end return this end --[[ @desc 混合两个颜色 @param {Color} this 颜色1 @param {Color} color 颜色2 @param {number} weight 颜色1比重 范围：0 ~ 100，默认值为50 @return {Color} this ]] function Color.mix(this, color, weight) local color1 = this:rgb() local color2 = color:rgb() local p = weight == nil and 50 or weight p = p / 100 local w = 2 * p - 1 local a = color1.opacity - color2.opacity local w1 = (((w * a == -1) and w or (w + a) / (1 + w * a)) + 1) / 2.0 local w2 = 1 - w1 this.value = { w1 * color1.value[1] + w2 * color2.value[1], w1 * color1.value[2] + w2 * color2.value[2], w1 * color1.value[3] + w2 * color2.value[3] } this:setOpacity(color1.opacity * p + color2.opacity * (1 - p)) return this end --[[ @desc 设置一个值的不透明度 @param {Color} this @param {number} value - 范围：0 ~ 1 @return {Color} - this ]] function Color.setOpacity(this, value) this.opacity = tonumber(value) return this end --[[ @desc Gamma校正 @param {number} r_g_b @return {number} ]] function adjustGamma(r_g_b) if r_g_b <= 0.04045 then return r_g_b / 12.92 else return ((r_g_b + 0.055) / 1.055) ^ 2.4 end end --[[ @desc 获得颜色的相对亮度 @param {Color} this @return {number} ]] function Color.getRelativeLuminance(this) local rgb = this:rgb().value return 0.2126 * adjustGamma(rgb[1] / 255) + 0.7152 * adjustGamma(rgb[2] / 255) + 0.0722 * adjustGamma(rgb[3] / 255) end --[[ @desc 获得两颜色的对比度比例 @param {Color} this @param {Color} color @return {number} ]] function Color.getContrastRatio(this, color) local ratio = (this:getRelativeLuminance() + 0.05) / (color:getRelativeLuminance() + 0.05) if ratio < 1 then return 1 / ratio else return ratio end end --[[ @desc 检测一个颜色是否为亮色 @param {Color} this @return {boolean} ]] function Color.isLight(this) return this:getRelativeLuminance() > (0.05 * 1.05) ^ 0.5 - 0.05 end --[[ @desc 检测一个颜色是否为暗色 @param {Color} this @return {boolean} ]] function Color.isDark(this) return this:isLight() == false end --[[ @desc 根据范围随机产生一个颜色 @param {number} [min = 0] - 范围：0 ~ 255 @param {number} [max = 255] - 范围：0 ~ 255 @return {Color} ]] function Color.random(min, max) min = min or 0 max = max or 255 local rgb = { _random(min, max), _random(min, max), _random(min, max) } return Color.create(rgb) end --[[ @desc 反转一个颜色 @param {Color} this @return {Color} - this ]] function Color.reverse(this) local rgb = this:rgb().value for i, v in ipairs(rgb) do rgb[i] = math.abs(v - 255) end return this end --[[ @desc 将一个Color实例转化为有效的css颜色值字符串 @param {Color} this @param {('auto' | 'hex' | 'hex-opacity')} [format = 'auto'] - 格式， 为auto时，根据Color对象本身的format进行转换，使用对应的css函数，并保留透明度。在调用前应该先执行rgb()或hsl()，以明确输出格式。 为hex时，返回hex颜色。无视透明度。 为hex-opacity时，返回hex颜色。若不透明度不为1，则假定背景为白色将透明度和颜色进行计算。 ]] function Color.toString(this, format) function toHex(num) local int, float = math.modf(num) if float > 0.4 then int = int + 1 end local zero = '' if int < 16 then zero = '0' end return zero..string.format('%X', int) end format = format or 'auto' if format == 'auto' then if this.format == 'rgb' then if this.opacity < 1 then return 'rgba('..table.concat(this.value, ',')..','..this.opacity..')' else return 'rgb('..table.concat(this.value, ',')..')' end elseif this.format == 'hsl' then local hsl = this.value if this.opacity < 1 then return string.format('hsla(%s, %s%%, %s%%, %s)', hsl[1], hsl[2], hsl[3], this.opacity) else return string.format('hsl(%s, %s%%, %s%%)', hsl[1], hsl[2], hsl[3]) end end elseif format == 'hex' then this:rgb() return '#'..toHex(this.value[1])..toHex(this.value[2])..toHex(this.value[3]) elseif format == 'hex-opacity' then this:rgb() local r = this.value[1] local g = this.value[2] local b = this.value[3] r = r + r * (1 - this.opacity) g = g + g * (1 - this.opacity) b = b + b * (1 - this.opacity) if r > 255 then r = 255 end if g > 255 then g = 255 end if b > 255 then b = 255 end return '#'..toHex(r)..toHex(g)..toHex(b) end end return Color 本页使用的模板： 模板:Ambox（查看源代码）模板:Ambox/style.css（查看源代码）模板:Color block（查看源代码）模板:FromOther（查看源代码）模板:Namespace detect（查看源代码）模板:萌娘百科（查看源代码）模块:Color/doc（查看源代码）返回模块:Color。
