Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 | 4x 4x 4x 4x 4x 4x 4x 4x 897x 4x 751x 4x 758x 4x 451x 4x 311x 4x 148x 4x 8502x 8502x 8502x 8502x 4096x 4096x 4096x 4096x 8502x 8502x 8502x 4x 131368x 131368x 131368x 131368x 65536x 65536x 65536x 65536x 65536x 131368x 131368x 131368x 4x 131220x 131220x 131220x 131220x 65536x 65536x 65536x 65536x 65536x 131220x 131220x 131220x 4x 296x 296x 296x 296x 4x 296x 296x 296x 296x 296x 4x 296x 296x 4x 888x 888x | // tslint:disable:no-bitwise
import { ColorRGBA64 } from "./color-rgba-64";
import { normalize } from "./math-utilities";
import { NamedColors, namedColorsConfigs } from "./named-colors";
// 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);
}
export function isColorNamed(raw: string | NamedColors): raw is NamedColors {
return namedColorsConfigs.hasOwnProperty(raw);
}
// Expects format #RRGGBB or #RGB
export function parseColorHexRGB(raw: string): ColorRGBA64 | null {
const result: string[] | null = hexRGBRegex.exec(raw);
Iif (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);
Iif (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);
Iif (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);
Iif (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);
Iif (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);
Iif (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);
Iif (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);
Iif (result === null) {
return null;
}
const split: string[] = result[1].split(",");
Eif (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: keyof typeof namedColorsConfigs
): ColorRGBA64 | null {
// const rawLower: typeof raw = raw.toLowerCase() : raw.toString();
const config: typeof namedColorsConfigs[keyof typeof namedColorsConfigs] | void =
namedColorsConfigs[raw.toLowerCase()];
return !!config
? new ColorRGBA64(
config.r,
config.g,
config.b,
config.hasOwnProperty("a") ? config.a : void 0
)
: 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();
return isColorStringHexRGB(rawLower)
? parseColorHexRGB(rawLower)
: isColorStringHexRGBA(rawLower)
? parseColorHexARGB(rawLower)
: isColorStringWebRGB(rawLower)
? parseColorWebRGB(rawLower)
: isColorStringWebRGBA(rawLower)
? parseColorWebRGBA(rawLower)
: isColorNamed(rawLower)
? parseColorNamed(rawLower)
: null;
}
|