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import { ColorRGBA64 } from "./colorRGBA64";
import { normalize } from "./mathUtils";
export const namedColors: object = {
aliceblue: new ColorRGBA64(0.941176, 0.972549, 1, 1),
antiquewhite: new ColorRGBA64(0.980392, 0.921569, 0.843137, 1),
aqua: new ColorRGBA64(0, 1, 1, 1),
aquamarine: new ColorRGBA64(0.498039, 1, 0.831373, 1),
azure: new ColorRGBA64(0.941176, 1, 1, 1),
beige: new ColorRGBA64(0.960784, 0.960784, 0.862745, 1),
bisque: new ColorRGBA64(1, 0.894118, 0.768627, 1),
black: new ColorRGBA64(0, 0, 0, 1),
blanchedalmond: new ColorRGBA64(1, 0.921569, 0.803922, 1),
blue: new ColorRGBA64(0, 0, 1, 1),
blueviolet: new ColorRGBA64(0.541176, 0.168627, 0.886275, 1),
brown: new ColorRGBA64(0.647059, 0.164706, 0.164706, 1),
burlywood: new ColorRGBA64(0.870588, 0.721569, 0.529412, 1),
cadetblue: new ColorRGBA64(0.372549, 0.619608, 0.627451, 1),
chartreuse: new ColorRGBA64(0.498039, 1, 0, 1),
chocolate: new ColorRGBA64(0.823529, 0.411765, 0.117647, 1),
coral: new ColorRGBA64(1, 0.498039, 0.313725, 1),
cornflowerblue: new ColorRGBA64(0.392157, 0.584314, 0.929412, 1),
cornsilk: new ColorRGBA64(1, 0.972549, 0.862745, 1),
crimson: new ColorRGBA64(0.862745, 0.078431, 0.235294, 1),
cyan: new ColorRGBA64(0, 1, 1, 1),
darkblue: new ColorRGBA64(0, 0, 0.545098, 1),
darkcyan: new ColorRGBA64(0, 0.545098, 0.545098, 1),
darkgoldenrod: new ColorRGBA64(0.721569, 0.52549, 0.043137, 1),
darkgray: new ColorRGBA64(0.662745, 0.662745, 0.662745, 1),
darkgreen: new ColorRGBA64(0, 0.392157, 0, 1),
darkgrey: new ColorRGBA64(0.662745, 0.662745, 0.662745, 1),
darkkhaki: new ColorRGBA64(0.741176, 0.717647, 0.419608, 1),
darkmagenta: new ColorRGBA64(0.545098, 0, 0.545098, 1),
darkolivegreen: new ColorRGBA64(0.333333, 0.419608, 0.184314, 1),
darkorange: new ColorRGBA64(1, 0.54902, 0, 1),
darkorchid: new ColorRGBA64(0.6, 0.196078, 0.8, 1),
darkred: new ColorRGBA64(0.545098, 0, 0, 1),
darksalmon: new ColorRGBA64(0.913725, 0.588235, 0.478431, 1),
darkseagreen: new ColorRGBA64(0.560784, 0.737255, 0.560784, 1),
darkslateblue: new ColorRGBA64(0.282353, 0.239216, 0.545098, 1),
darkslategray: new ColorRGBA64(0.184314, 0.309804, 0.309804, 1),
darkslategrey: new ColorRGBA64(0.184314, 0.309804, 0.309804, 1),
darkturquoise: new ColorRGBA64(0, 0.807843, 0.819608, 1),
darkviolet: new ColorRGBA64(0.580392, 0, 0.827451, 1),
deeppink: new ColorRGBA64(1, 0.078431, 0.576471, 1),
deepskyblue: new ColorRGBA64(0, 0.74902, 1, 1),
dimgray: new ColorRGBA64(0.411765, 0.411765, 0.411765, 1),
dimgrey: new ColorRGBA64(0.411765, 0.411765, 0.411765, 1),
dodgerblue: new ColorRGBA64(0.117647, 0.564706, 1, 1),
firebrick: new ColorRGBA64(0.698039, 0.133333, 0.133333, 1),
floralwhite: new ColorRGBA64(1, 0.980392, 0.941176, 1),
forestgreen: new ColorRGBA64(0.133333, 0.545098, 0.133333, 1),
fuchsia: new ColorRGBA64(1, 0, 1, 1),
gainsboro: new ColorRGBA64(0.862745, 0.862745, 0.862745, 1),
ghostwhite: new ColorRGBA64(0.972549, 0.972549, 1, 1),
gold: new ColorRGBA64(1, 0.843137, 0, 1),
goldenrod: new ColorRGBA64(0.854902, 0.647059, 0.12549, 1),
gray: new ColorRGBA64(0.501961, 0.501961, 0.501961, 1),
green: new ColorRGBA64(0, 0.501961, 0, 1),
greenyellow: new ColorRGBA64(0.678431, 1, 0.184314, 1),
grey: new ColorRGBA64(0.501961, 0.501961, 0.501961, 1),
honeydew: new ColorRGBA64(0.941176, 1, 0.941176, 1),
hotpink: new ColorRGBA64(1, 0.411765, 0.705882, 1),
indianred: new ColorRGBA64(0.803922, 0.360784, 0.360784, 1),
indigo: new ColorRGBA64(0.294118, 0, 0.509804, 1),
ivory: new ColorRGBA64(1, 1, 0.941176, 1),
khaki: new ColorRGBA64(0.941176, 0.901961, 0.54902, 1),
lavender: new ColorRGBA64(0.901961, 0.901961, 0.980392, 1),
lavenderblush: new ColorRGBA64(1, 0.941176, 0.960784, 1),
lawngreen: new ColorRGBA64(0.486275, 0.988235, 0, 1),
lemonchiffon: new ColorRGBA64(1, 0.980392, 0.803922, 1),
lightblue: new ColorRGBA64(0.678431, 0.847059, 0.901961, 1),
lightcoral: new ColorRGBA64(0.941176, 0.501961, 0.501961, 1),
lightcyan: new ColorRGBA64(0.878431, 1, 1, 1),
lightgoldenrodyellow: new ColorRGBA64(0.980392, 0.980392, 0.823529, 1),
lightgray: new ColorRGBA64(0.827451, 0.827451, 0.827451, 1),
lightgreen: new ColorRGBA64(0.564706, 0.933333, 0.564706, 1),
lightgrey: new ColorRGBA64(0.827451, 0.827451, 0.827451, 1),
lightpink: new ColorRGBA64(1, 0.713725, 0.756863, 1),
lightsalmon: new ColorRGBA64(1, 0.627451, 0.478431, 1),
lightseagreen: new ColorRGBA64(0.12549, 0.698039, 0.666667, 1),
lightskyblue: new ColorRGBA64(0.529412, 0.807843, 0.980392, 1),
lightslategray: new ColorRGBA64(0.466667, 0.533333, 0.6, 1),
lightslategrey: new ColorRGBA64(0.466667, 0.533333, 0.6, 1),
lightsteelblue: new ColorRGBA64(0.690196, 0.768627, 0.870588, 1),
lightyellow: new ColorRGBA64(1, 1, 0.878431, 1),
lime: new ColorRGBA64(0, 1, 0, 1),
limegreen: new ColorRGBA64(0.196078, 0.803922, 0.196078, 1),
linen: new ColorRGBA64(0.980392, 0.941176, 0.901961, 1),
magenta: new ColorRGBA64(1, 0, 1, 1),
maroon: new ColorRGBA64(0.501961, 0, 0, 1),
mediumaquamarine: new ColorRGBA64(0.4, 0.803922, 0.666667, 1),
mediumblue: new ColorRGBA64(0, 0, 0.803922, 1),
mediumorchid: new ColorRGBA64(0.729412, 0.333333, 0.827451, 1),
mediumpurple: new ColorRGBA64(0.576471, 0.439216, 0.858824, 1),
mediumseagreen: new ColorRGBA64(0.235294, 0.701961, 0.443137, 1),
mediumslateblue: new ColorRGBA64(0.482353, 0.407843, 0.933333, 1),
mediumspringgreen: new ColorRGBA64(0, 0.980392, 0.603922, 1),
mediumturquoise: new ColorRGBA64(0.282353, 0.819608, 0.8, 1),
mediumvioletred: new ColorRGBA64(0.780392, 0.082353, 0.521569, 1),
midnightblue: new ColorRGBA64(0.098039, 0.098039, 0.439216, 1),
mintcream: new ColorRGBA64(0.960784, 1, 0.980392, 1),
mistyrose: new ColorRGBA64(1, 0.894118, 0.882353, 1),
moccasin: new ColorRGBA64(1, 0.894118, 0.709804, 1),
navajowhite: new ColorRGBA64(1, 0.870588, 0.678431, 1),
navy: new ColorRGBA64(0, 0, 0.501961, 1),
oldlace: new ColorRGBA64(0.992157, 0.960784, 0.901961, 1),
olive: new ColorRGBA64(0.501961, 0.501961, 0, 1),
olivedrab: new ColorRGBA64(0.419608, 0.556863, 0.137255, 1),
orange: new ColorRGBA64(1, 0.647059, 0, 1),
orangered: new ColorRGBA64(1, 0.270588, 0, 1),
orchid: new ColorRGBA64(0.854902, 0.439216, 0.839216, 1),
palegoldenrod: new ColorRGBA64(0.933333, 0.909804, 0.666667, 1),
palegreen: new ColorRGBA64(0.596078, 0.984314, 0.596078, 1),
paleturquoise: new ColorRGBA64(0.686275, 0.933333, 0.933333, 1),
palevioletred: new ColorRGBA64(0.858824, 0.439216, 0.576471, 1),
papayawhip: new ColorRGBA64(1, 0.937255, 0.835294, 1),
peachpuff: new ColorRGBA64(1, 0.854902, 0.72549, 1),
peru: new ColorRGBA64(0.803922, 0.521569, 0.247059, 1),
pink: new ColorRGBA64(1, 0.752941, 0.796078, 1),
plum: new ColorRGBA64(0.866667, 0.627451, 0.866667, 1),
powderblue: new ColorRGBA64(0.690196, 0.878431, 0.901961, 1),
purple: new ColorRGBA64(0.501961, 0, 0.501961, 1),
red: new ColorRGBA64(1, 0, 0, 1),
rosybrown: new ColorRGBA64(0.737255, 0.560784, 0.560784, 1),
royalblue: new ColorRGBA64(0.254902, 0.411765, 0.882353, 1),
saddlebrown: new ColorRGBA64(0.545098, 0.270588, 0.07451, 1),
salmon: new ColorRGBA64(0.980392, 0.501961, 0.447059, 1),
sandybrown: new ColorRGBA64(0.956863, 0.643137, 0.376471, 1),
seagreen: new ColorRGBA64(0.180392, 0.545098, 0.341176, 1),
seashell: new ColorRGBA64(1, 0.960784, 0.933333, 1),
sienna: new ColorRGBA64(0.627451, 0.321569, 0.176471, 1),
silver: new ColorRGBA64(0.752941, 0.752941, 0.752941, 1),
skyblue: new ColorRGBA64(0.529412, 0.807843, 0.921569, 1),
slateblue: new ColorRGBA64(0.415686, 0.352941, 0.803922, 1),
slategray: new ColorRGBA64(0.439216, 0.501961, 0.564706, 1),
slategrey: new ColorRGBA64(0.439216, 0.501961, 0.564706, 1),
snow: new ColorRGBA64(1, 0.980392, 0.980392, 1),
springgreen: new ColorRGBA64(0, 1, 0.498039, 1),
steelblue: new ColorRGBA64(0.27451, 0.509804, 0.705882, 1),
tan: new ColorRGBA64(0.823529, 0.705882, 0.54902, 1),
teal: new ColorRGBA64(0, 0.501961, 0.501961, 1),
thistle: new ColorRGBA64(0.847059, 0.74902, 0.847059, 1),
tomato: new ColorRGBA64(1, 0.388235, 0.278431, 1),
transparent: new ColorRGBA64(0, 0, 0, 0),
turquoise: new ColorRGBA64(0.25098, 0.878431, 0.815686, 1),
violet: new ColorRGBA64(0.933333, 0.509804, 0.933333, 1),
wheat: new ColorRGBA64(0.960784, 0.870588, 0.701961, 1),
white: new ColorRGBA64(1, 1, 1, 1),
whitesmoke: new ColorRGBA64(0.960784, 0.960784, 0.960784, 1),
yellow: new ColorRGBA64(1, 1, 0, 1),
yellowgreen: new ColorRGBA64(0.603922, 0.803922, 0.196078, 1),
};
// Matches rgb(R, G, B) where R, G, and B are integers [0 - 255]
const webRGBRegex: RegExp = /^rgb\(\s*((?:(?:25[0-5]|2[0-4]\d|1\d\d|\d{1,2})\s*,\s*){2}(?:25[0-5]|2[0-4]\d|1\d\d|\d{1,2})\s*)\)$/i;
// Matches rgb(R, G, B, A) where R, G, and B are integers [0 - 255] and A is [0-1] floating
const webRGBARegex: RegExp = /^rgba\(\s*((?:(?:25[0-5]|2[0-4]\d|1\d\d|\d{1,2})\s*,\s*){3}(?:0|1|0?\.\d*)\s*)\)$/i;
// Matches #RGB and #RRGGBB, where R, G, and B are [0-9] or [A-F]
const hexRGBRegex: RegExp = /^#((?:[0-9a-f]{6}|[0-9a-f]{3}))$/i;
// Matches #RGB and #RRGGBBAA, where R, G, B, and A are [0-9] or [A-F]
const hexRGBARegex: RegExp = /^#((?:[0-9a-f]{8}|[0-9a-f]{4}))$/i;
/**
* Test if a color matches #RRGGBB or #RGB
*/
export function isColorStringHexRGB(raw: string): boolean {
return hexRGBRegex.test(raw);
}
/**
* Test if a color matches #RRGGBBAA or #RGBA
*/
export function isColorStringHexRGBA(raw: string): boolean {
return isColorStringHexARGB(raw); // No way to differentiate these two formats, so just use the same test
}
/**
* Test if a color matches #AARRGGBB or #ARGB
*/
export function isColorStringHexARGB(raw: string): boolean {
return hexRGBARegex.test(raw);
}
/**
* Test if a color matches rgb(rr, gg, bb)
*/
export function isColorStringWebRGB(raw: string): boolean {
return webRGBRegex.test(raw);
}
/**
* Test if a color matches rgba(rr, gg, bb, aa)
*/
export function isColorStringWebRGBA(raw: string): boolean {
return webRGBARegex.test(raw);
}
// Expects format #RRGGBB or #RGB
export function parseColorHexRGB(raw: string): ColorRGBA64 | null {
const result: string[] | null = hexRGBRegex.exec(raw);
if (result === null) {
return null;
}
let digits: string = result[1];
if (digits.length === 3) {
const r: string = digits.charAt(0);
const g: string = digits.charAt(1);
const b: string = digits.charAt(2);
digits = r.concat(r, g, g, b, b);
}
const rawInt: number = parseInt(digits, 16);
if (isNaN(rawInt)) {
return null;
}
// Note the use of >>> rather than >> as we want JS to manipulate these as unsigned numbers
return new ColorRGBA64(
normalize((rawInt & 0xff0000) >>> 16, 0, 255),
normalize((rawInt & 0x00ff00) >>> 8, 0, 255),
normalize(rawInt & 0x0000ff, 0, 255),
1
);
}
// Expects format #AARRGGBB
export function parseColorHexARGB(raw: string): ColorRGBA64 | null {
const result: string[] | null = hexRGBARegex.exec(raw);
if (result === null) {
return null;
}
let digits: string = result[1];
if (digits.length === 4) {
const a: string = digits.charAt(0);
const r: string = digits.charAt(1);
const g: string = digits.charAt(2);
const b: string = digits.charAt(3);
digits = a.concat(a, r, r, g, g, b, b);
}
const rawInt: number = parseInt(digits, 16);
if (isNaN(rawInt)) {
return null;
}
// Note the use of >>> rather than >> as we want JS to manipulate these as unsigned numbers
return new ColorRGBA64(
normalize((rawInt & 0x00ff0000) >>> 16, 0, 255),
normalize((rawInt & 0x0000ff00) >>> 8, 0, 255),
normalize(rawInt & 0x000000ff, 0, 255),
normalize((rawInt & 0xff000000) >>> 24, 0, 255)
);
}
// Expects format #RRGGBBAA or #RGBA
export function parseColorHexRGBA(raw: string): ColorRGBA64 | null {
const result: string[] | null = hexRGBARegex.exec(raw);
if (result === null) {
return null;
}
let digits: string = result[1];
if (digits.length === 4) {
const r: string = digits.charAt(0);
const g: string = digits.charAt(1);
const b: string = digits.charAt(2);
const a: string = digits.charAt(3);
digits = r.concat(r, g, g, b, b, a, a);
}
const rawInt: number = parseInt(digits, 16);
if (isNaN(rawInt)) {
return null;
}
// Note the use of >>> rather than >> as we want JS to manipulate these as unsigned numbers
return new ColorRGBA64(
normalize((rawInt & 0xff000000) >>> 24, 0, 255),
normalize((rawInt & 0x00ff0000) >>> 16, 0, 255),
normalize((rawInt & 0x0000ff00) >>> 8, 0, 255),
normalize(rawInt & 0x000000ff, 0, 255)
);
}
// Expects format rgb(RR,GG,BB) where RR,GG,BB are [0,255]
export function parseColorWebRGB(raw: string): ColorRGBA64 | null {
const result: string[] | null = webRGBRegex.exec(raw);
if (result === null) {
return null;
}
const split: string[] = result[1].split(",");
return new ColorRGBA64(
normalize(Number(split[0]), 0, 255),
normalize(Number(split[1]), 0, 255),
normalize(Number(split[2]), 0, 255),
1
);
}
// Expects format rgba(RR,GG,BB,a) where RR,GG,BB are [0,255] and a is [0,1]
export function parseColorWebRGBA(raw: string): ColorRGBA64 | null {
const result: string[] | null = webRGBARegex.exec(raw);
if (result === null) {
return null;
}
const split: string[] = result[1].split(",");
if (split.length === 4) {
return new ColorRGBA64(
normalize(Number(split[0]), 0, 255),
normalize(Number(split[1]), 0, 255),
normalize(Number(split[2]), 0, 255),
Number(split[3])
);
}
return null;
}
// Expects any of the CSS color names https://www.w3schools.com/colors/colors_names.asp
export function parseColorNamed(raw: string): ColorRGBA64 | null {
const rawLower: string = raw.toLowerCase();
if (namedColors[rawLower]) {
return namedColors[rawLower];
}
return null;
}
// Expects any of the following and attempts to determine which is being used
// #RRGGBB
// #AARRGGBB
// rgb(RR,GG,BB)
// rgba(RR,GG,BB,a)
// or any of the CSS color names https://www.w3schools.com/colors/colors_names.asp
export function parseColor(raw: string): ColorRGBA64 | null {
const rawLower: string = raw.toLowerCase();
if (isColorStringHexRGB(rawLower)) {
return parseColorHexRGB(rawLower);
} else if (isColorStringHexRGBA(rawLower)) {
return parseColorHexARGB(rawLower);
} else if (isColorStringWebRGB(rawLower)) {
return parseColorWebRGB(rawLower);
} else if (isColorStringWebRGBA(rawLower)) {
return parseColorWebRGBA(rawLower);
} else if (namedColors[rawLower]) {
return namedColors[rawLower];
}
return null;
}
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