JavaScript

语言：

JaveScriptBabelCoffeeScript

确定

//http://stackoverflow.com/questions/2353211/hsl-to-rgb-color-conversion/9493060#9493060

function rgb2hsl(rgb) {

// arguments: [r,g,b] or r,g,b

// return [H, S, L];

if (rgb instanceof Array) {

r = rgb[0] / 255;

g = rgb[1] / 255;

b = rgb[2] / 255;

} else {

r = arguments[0] / 255;

g = arguments[1] / 255;

b = arguments[2] / 255;

}

//r /= 255, g /= 255, b /= 255;

var max = Math.max(r, g, b),

min = Math.min(r, g, b);

var h, s, l = (max + min) / 2;

if (max == min) {

h = s = 0; // achromatic

} else {

var d = max - min;

s = l > 0.5 ? d / (2 - max - min) : d / (max + min);

switch (max) {

case r:

h = (g - b) / d + (g < b ? 6 : 0);

break;

case g:

h = (b - r) / d + 2;

break;

case b:

h = (r - g) / d + 4;

break;

}

h /= 6;

}

var H = h * 360;

var S = s * 100;

var L = l * 100;

return [H, S, L];

} // arguments: [r,g,b] or r,g,b

function hsl2rgb(HSL) {

// arguments: [H,S,L] or H,S,L

//return [r, g, b];

if (HSL instanceof Array) {

h = Number(HSL[0]) / 360;

s = Number(HSL[1]) / 100;

l = Number(HSL[2]) / 100;

} else {

h = Number(arguments[0]) / 360;

s = Number(arguments[1]) / 100;

l = Number(arguments[2]) / 100;

}

// var h = H/360;

//var s = S/100;

//var l = L/100;

var r, g, b;

if (s == 0) {

r = g = b = l; // achromatic

} else {

var hue2rgb = function hue2rgb(p, q, t) {

if (t < 0) t += 1;

if (t > 1) t -= 1;

if (t < 1 / 6) return p + (q - p) * 6 * t;

if (t < 1 / 2) return q;

if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6;

return p;

}

var q = l < 0.5 ? l * (1 + s) : l + s - l * s;

var p = 2 * l - q;

r = hue2rgb(p, q, h + 1 / 3);

g = hue2rgb(p, q, h);

b = hue2rgb(p, q, h - 1 / 3);

}

return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];

} // arguments: [H,S,L] or H,S,L

function rgb2hex(rgb) {

if (rgb instanceof Array) {

r = Number(rgb[0]);

g = Number(rgb[1]);

b = Number(rgb[2]);

} else {

r = Number(arguments[0]);

g = Number(arguments[1]);

b = Number(arguments[2]);

}

var hexR = r.toString(16);

if (hexR.length == 1) {

hexR = "0" + hexR;

};

var hexG = g.toString(16);

if (hexG.length == 1) {

hexG = "0" + hexG;

};

var hexB = b.toString(16);

if (hexB.length == 1) {

hexB = "0" + hexB;

};

return [hexR, hexG, hexB];

} // arguments: array [r,g,b] or 3 values: r,g,b

function hex2rgb(hex) {

// arguments: array [r,g,b] or 3 values: r,g,b

var rgbRy = [];

if (hex instanceof Array) {

for (var i = 0; i < hex.length; i++) {

rgbRy[i] = parseInt(hex[i], 16);

}

} else {

for (var i = 0; i < arguments.length; i++) {

rgbRy[i] = parseInt(arguments[i], 16);

}

}

return rgbRy;

} // arguments: array [r,g,b] or 3 values: r,g,b

function hsl2hex(HSL) { // arguments: [H,S,L]!!!

var rgb = hsl2rgb(HSL);

console.log(rgb)

return rgb2hex(rgb);

} // arguments: [H,S,L]!!!

function hex2hsl(HEX) { // arguments: [R,G,B]!!!

var rgb = hex2rgb(HEX);

return rgb2hsl(rgb);

} // arguments: [R,G,B]!!!

function hex2ry(hex) {

if (hex.charAt(0) == "#") {

hex = hex.substr(1);

}

var hexRy = ["ff", "ff", "ff"];

if (hex.length == 6) {

hexRy[0] = hex.slice(0, 2);

hexRy[1] = hex.slice(2, 4);

hexRy[2] = hex.slice(4, 6);

} else if (hex.length == 3) {

var r = hex.slice(0, 1);

var g = hex.slice(1, 2);

var b = hex.slice(2, 3);

hexRy[0] = r + r;

hexRy[1] = g + g;

hexRy[2] = b + b;

}

return hexRy;

} // argument: "#123456" || "#123" || "123456" || "123"

function rgb2ry(rgb) {

// "rgb(255,100,178)"

// "255,100,178"

// ["255", "100", "178"]

var ry = rgb.split(/(\(|\))/)[2].split(",");

for (var i = 0; i < ry.length; i++) {

if (ry[i] < 0 || ry[i] > 255) return [255, 255, 255];

}

return ry;

} // argument: "rgb(255,100,178)"

function hsl2ry(hsl) {

// "hsl(255,100%,50%)"

// "255,100%,50%"

// ["255", "100", "178"]

var hslry = [0, 0, 100];

var ry = hsl.split(/(\(|\))/)[2].split(",");

for (var i = 0; i < ry.length; i++) {

hslry[i] = Number(ry[i].replace("%", "")) //.trim();

if (i > 0 && hslry[i] > 100) return [0, 0, 100];

}

return hslry;

} // argument: "hsl(255,100%,50%)"

function validateHex(hex) {

return /(^#?[0-9A-F]{6}$)|(^#?[0-9A-F]{3}$)/i.test(hex);

}

function validateRgb(rgb) {

return /^rgb\((\s*\d{1,3}\s*),(\s*\d{1,3}\s*),(\s*\d{1,3}\s*)\)$/.test(rgb);

}

function validateHsl(HSL) {

return /^hsl\((\s*\d{1,3}\s*),(\s*\d{1,3}%\s*),(\s*\d{1,3}%\s*)\)$/.test(HSL);

}

function display_hex(ry) {

return "#" + ry[0] + ry[1] + ry[2];

}

function display_rgb(ry) {

return "rgb(" + Math.round(ry[0]) + "," + Math.round(ry[1]) + "," + Math.round(ry[2]) + ")";

}

function display_hsl(ry) {

return "hsl(" + Math.round(ry[0]) + "," + Math.round(ry[1]) + "%," + Math.round(ry[2]) + "%)";

}

function hex2hex(hex) {

if (validateHex(hex)) {

return hex2ry(hex);

} else {

return ["ff", "ff", "ff"];

}

}

function rgb2rgb(rgb) {

if (validateRgb(rgb)) {

return rgb2ry(rgb);

} else {

return ["255", "255", "255"];

}

}

function hsl2hsl(hsl) {

if (validateHsl(hsl)) {

return hsl2ry(hsl);

} else {

return ["0", "0", "100"];

}

}

var names = ["hex", "rgb", "hsl"];

function searchAndRemove(ry, toBeRemoved) {

var newRy = [];

for (var i = 0; i < ry.length; i++) {

if (ry[i] != toBeRemoved) {

newRy.push(ry[i]);

}

}

return newRy;

}

function Article(name) {

this.name = name;

this.names = searchAndRemove(names, this.name);

this.input = document.querySelector("#" + this.name + "_ input");

this.submit = document.querySelector("#" + this.name + "_ [type = 'submit']");

this.output_value = document.querySelector("#" + this.name + "_ .output .value");

this.output_color = document.querySelector("#" + this.name + "_ .output .color");

this.otherElements = [];

for (var i = 0; i < this.names.length; i++) {

var element = {}

element.output_value = document.querySelector("#" + this.names[i] + "_ .output .value");

element.output_color = document.querySelector("#" + this.names[i] + "_ .output .color");

element.input = document.querySelector("#" + this.names[i] + "_ .input");

this.otherElements.push(element);

}

this.update = function() {

var ry = window[this.name + "2" + this.name](this.input.value);

var colorCode = window["display_" + this.name](ry);

this.output_value.innerHTML = colorCode;

this.output_color.style.backgroundColor = colorCode;

this.input.value = colorCode;

for (var i = 0; i < this.names.length; i++) {

var ry_ = window[this.name + "2" + this.names[i]](ry);

var colorCode_ = window["display_" + this.names[i]](ry_);

this.otherElements[i].output_value.innerHTML = colorCode_;

this.otherElements[i].output_color.style.backgroundColor = colorCode_;

this.otherElements[i].input.value = colorCode_;

}

}

}

var elements = [];

var eHex = new Article("hex");

elements.push(eHex);

var eRgb = new Article("rgb");

elements.push(eRgb);

var eHsl = new Article("hsl");

elements.push(eHsl);

for (i = 0; i < names.length; i++) {

(function(i) {

document.querySelector("#" + names[i] + "_ .submit").addEventListener("click", function(e) {

elements[i].update();

}, false);

})(i);

}