ngx-colours
Version:
A beautiful color picker for angular that let you choose from a color palette, using sliders (Hue, Lightness, Alpha sliders) or through text input(hex, rgba, hsla)
247 lines • 36.5 kB
JavaScript
import { Injectable } from "@angular/core";
import { Cmyk, Rgba, Hsla, Hsva } from "../clases/formats";
import { ColorFormats } from "../enums/formats";
import * as i0 from "@angular/core";
export class ConverterService {
// private active: ColorPickerComponent | null = null;
constructor() { }
// public setActive(active: ColorPickerComponent | null): void {
// this.active = active;
// }
toFormat(hsva, format) {
var output = "";
if (hsva) {
switch (format) {
case ColorFormats.HEX:
var rgba = this.hsvaToRgba(hsva);
rgba.denormalize();
var output = this.rgbaToHex(rgba, true);
break;
case ColorFormats.HSLA:
var hsla = this.hsva2hsla(hsva);
hsla.denormalize();
var output = hsla.toString();
break;
case ColorFormats.RGBA:
var rgba = this.hsvaToRgba(hsva);
var output = rgba.toString();
break;
case ColorFormats.CMYK:
var rgba = this.hsvaToRgba(hsva);
var cmyk = this.rgbaToCmyk(rgba);
break;
}
}
return output;
}
stringToFormat(color, format) {
var hsva = this.stringToHsva(color, true);
return this.toFormat(hsva, format);
}
hsva2hsla(hsva) {
const h = hsva.h, s = hsva.s, v = hsva.v, a = hsva.a;
if (v === 0) {
return new Hsla(h, 0, 0, a);
}
else if (s === 0 && v === 1) {
return new Hsla(h, 1, 1, a);
}
else {
const l = (v * (2 - s)) / 2;
return new Hsla(h, (v * s) / (1 - Math.abs(2 * l - 1)), l, a);
}
}
hsla2hsva(hsla) {
const h = Math.min(hsla.h, 1), s = Math.min(hsla.s, 1);
const l = Math.min(hsla.l, 1), a = Math.min(hsla.a, 1);
if (l === 0) {
return new Hsva(h, 0, 0, a);
}
else {
const v = l + (s * (1 - Math.abs(2 * l - 1))) / 2;
return new Hsva(h, (2 * (v - l)) / v, v, a);
}
}
hsvaToRgba(hsva) {
let r, g, b;
const h = hsva.h, s = hsva.s, v = hsva.v, a = hsva.a;
const i = Math.floor(h * 6);
const f = h * 6 - i;
const p = v * (1 - s);
const q = v * (1 - f * s);
const t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0:
(r = v), (g = t), (b = p);
break;
case 1:
(r = q), (g = v), (b = p);
break;
case 2:
(r = p), (g = v), (b = t);
break;
case 3:
(r = p), (g = q), (b = v);
break;
case 4:
(r = t), (g = p), (b = v);
break;
case 5:
(r = v), (g = p), (b = q);
break;
default:
(r = 0), (g = 0), (b = 0);
}
return new Rgba(r, g, b, a);
}
cmykToRgb(cmyk) {
const r = (1 - cmyk.c) * (1 - cmyk.k);
const g = (1 - cmyk.m) * (1 - cmyk.k);
const b = (1 - cmyk.y) * (1 - cmyk.k);
return new Rgba(r, g, b, cmyk.a);
}
rgbaToCmyk(rgba) {
const k = 1 - Math.max(rgba.r, rgba.g, rgba.b);
if (k === 1) {
return new Cmyk(0, 0, 0, 1, rgba.a);
}
else {
const c = (1 - rgba.r - k) / (1 - k);
const m = (1 - rgba.g - k) / (1 - k);
const y = (1 - rgba.b - k) / (1 - k);
return new Cmyk(c, m, y, k, rgba.a);
}
}
rgbaToHsva(rgba) {
let h, s;
const r = Math.min(rgba.r, 1), g = Math.min(rgba.g, 1);
const b = Math.min(rgba.b, 1), a = Math.min(rgba.a, 1);
const max = Math.max(r, g, b), min = Math.min(r, g, b);
const v = max, d = max - min;
s = max === 0 ? 0 : d / max;
if (max === min) {
h = 0;
}
else {
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;
default:
h = 0;
}
h /= 6;
}
return new Hsva(h, s, v, a);
}
rgbaToHex(rgba, allowHex8) {
/* tslint:disable:no-bitwise */
let hex = "#" +
((1 << 24) | (rgba.r << 16) | (rgba.g << 8) | rgba.b)
.toString(16)
.substr(1);
if (rgba.a != 1) {
hex += ((1 << 8) | Math.round(rgba.a * 255)).toString(16).substr(1);
}
/* tslint:enable:no-bitwise */
return hex;
}
normalizeCMYK(cmyk) {
return new Cmyk(cmyk.c / 100, cmyk.m / 100, cmyk.y / 100, cmyk.k / 100, cmyk.a);
}
denormalizeCMYK(cmyk) {
return new Cmyk(Math.floor(cmyk.c * 100), Math.floor(cmyk.m * 100), Math.floor(cmyk.y * 100), Math.floor(cmyk.k * 100), cmyk.a);
}
denormalizeRGBA(rgba) {
return new Rgba(Math.round(rgba.r * 255), Math.round(rgba.g * 255), Math.round(rgba.b * 255), rgba.a);
}
stringToHsva(colorString = "", allowHex8 = true) {
let hsva = null;
colorString = (colorString || "").toLowerCase();
const stringParsers = [
{
re: /(rgb)a?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*%?,\s*(\d{1,3})\s*%?(?:,\s*(\d+(?:\.\d+)?)\s*)?\)/,
parse: function (execResult) {
return new Rgba(parseInt(execResult[2], 10) / 255, parseInt(execResult[3], 10) / 255, parseInt(execResult[4], 10) / 255, isNaN(parseFloat(execResult[5])) ? 1 : parseFloat(execResult[5]));
},
},
{
re: /(hsl)a?\(\s*(\d{1,3})\s*,\s*(\d{1,3})%\s*,\s*(\d{1,3})%\s*(?:,\s*(\d+(?:\.\d+)?)\s*)?\)/,
parse: function (execResult) {
return new Hsla(parseInt(execResult[2], 10) / 360, parseInt(execResult[3], 10) / 100, parseInt(execResult[4], 10) / 100, isNaN(parseFloat(execResult[5])) ? 1 : parseFloat(execResult[5]));
},
},
];
if (allowHex8) {
stringParsers.push({
re: /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})?$/,
parse: function (execResult) {
return new Rgba(parseInt(execResult[1], 16) / 255, parseInt(execResult[2], 16) / 255, parseInt(execResult[3], 16) / 255, parseInt(execResult[4] || "FF", 16) / 255);
},
});
}
else {
stringParsers.push({
re: /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})$/,
parse: function (execResult) {
return new Rgba(parseInt(execResult[1], 16) / 255, parseInt(execResult[2], 16) / 255, parseInt(execResult[3], 16) / 255, 1);
},
});
}
stringParsers.push({
re: /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])$/,
parse: function (execResult) {
return new Rgba(parseInt(execResult[1] + execResult[1], 16) / 255, parseInt(execResult[2] + execResult[2], 16) / 255, parseInt(execResult[3] + execResult[3], 16) / 255, 1);
},
});
for (const key in stringParsers) {
if (stringParsers.hasOwnProperty(key)) {
const parser = stringParsers[key];
const match = parser.re.exec(colorString), color = match && parser.parse(match);
if (color) {
if (color instanceof Rgba) {
hsva = this.rgbaToHsva(color);
}
else if (color instanceof Hsla) {
hsva = this.hsla2hsva(color);
}
return hsva;
}
}
}
return hsva;
}
outputFormat(hsva) {
return this.hsvaToRgba(hsva).toString();
}
getFormatByString(color) {
if (color) {
color = color.toLowerCase();
let regexHex = /(#([\da-f]{3}(?:[\da-f]{3})?(?:[\da-f]{2})?))/;
let regexRGBA = /(rgba\((\d{1,3},\s?){3}(1|0?\.\d+)\)|rgb\(\d{1,3}(,\s?\d{1,3}){2}\))/;
let regexHSLA = /(hsla\((\d{1,3}%?,\s?){3}(1|0?\.\d+)\)|hsl\(\d{1,3}%?(,\s?\d{1,3}%?){2}\))/;
if (regexHex.test(color)) {
return "hex";
}
else if (regexRGBA.test(color)) {
return "rgba";
}
else if (regexHSLA.test(color)) {
return "hsla";
}
}
return "hex";
}
}
ConverterService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.3.0", ngImport: i0, type: ConverterService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
ConverterService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "13.3.0", ngImport: i0, type: ConverterService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.3.0", ngImport: i0, type: ConverterService, decorators: [{
type: Injectable
}], ctorParameters: function () { return []; } });
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{ Injectable } from \"@angular/core\";\n\nimport { Cmyk, Rgba, Hsla, Hsva } from \"../clases/formats\";\n\nimport { ColorPickerComponent } from \"../components/color-picker/color-picker.component\";\nimport { ColorFormats } from \"../enums/formats\";\n\n@Injectable()\nexport class ConverterService {\n  // private active: ColorPickerComponent | null = null;\n\n  constructor() {}\n\n  // public setActive(active: ColorPickerComponent | null): void {\n  //   this.active = active;\n  // }\n\n  toFormat(hsva: Hsva, format: ColorFormats) {\n    var output = \"\";\n    if (hsva) {\n      switch (format) {\n        case ColorFormats.HEX:\n          var rgba: Rgba = this.hsvaToRgba(hsva);\n          rgba.denormalize();\n          var output = this.rgbaToHex(rgba, true);\n          break;\n        case ColorFormats.HSLA:\n          var hsla: Hsla = this.hsva2hsla(hsva);\n          hsla.denormalize();\n          var output = hsla.toString();\n          break;\n        case ColorFormats.RGBA:\n          var rgba: Rgba = this.hsvaToRgba(hsva);\n          var output = rgba.toString();\n          break;\n        case ColorFormats.CMYK:\n          var rgba: Rgba = this.hsvaToRgba(hsva);\n          var cmyk: Cmyk = this.rgbaToCmyk(rgba);\n          break;\n      }\n    }\n    return output;\n  }\n\n  public stringToFormat(color: string, format: ColorFormats) {\n    var hsva = this.stringToHsva(color, true);\n    return this.toFormat(hsva, format);\n  }\n\n  public hsva2hsla(hsva: Hsva): Hsla {\n    const h = hsva.h,\n      s = hsva.s,\n      v = hsva.v,\n      a = hsva.a;\n\n    if (v === 0) {\n      return new Hsla(h, 0, 0, a);\n    } else if (s === 0 && v === 1) {\n      return new Hsla(h, 1, 1, a);\n    } else {\n      const l = (v * (2 - s)) / 2;\n\n      return new Hsla(h, (v * s) / (1 - Math.abs(2 * l - 1)), l, a);\n    }\n  }\n\n  public hsla2hsva(hsla: Hsla): Hsva {\n    const h = Math.min(hsla.h, 1),\n      s = Math.min(hsla.s, 1);\n    const l = Math.min(hsla.l, 1),\n      a = Math.min(hsla.a, 1);\n\n    if (l === 0) {\n      return new Hsva(h, 0, 0, a);\n    } else {\n      const v = l + (s * (1 - Math.abs(2 * l - 1))) / 2;\n\n      return new Hsva(h, (2 * (v - l)) / v, v, a);\n    }\n  }\n\n  public hsvaToRgba(hsva: Hsva): Rgba {\n    let r: number, g: number, b: number;\n\n    const h = hsva.h,\n      s = hsva.s,\n      v = hsva.v,\n      a = hsva.a;\n\n    const i = Math.floor(h * 6);\n    const f = h * 6 - i;\n    const p = v * (1 - s);\n    const q = v * (1 - f * s);\n    const t = v * (1 - (1 - f) * s);\n\n    switch (i % 6) {\n      case 0:\n        (r = v), (g = t), (b = p);\n        break;\n      case 1:\n        (r = q), (g = v), (b = p);\n        break;\n      case 2:\n        (r = p), (g = v), (b = t);\n        break;\n      case 3:\n        (r = p), (g = q), (b = v);\n        break;\n      case 4:\n        (r = t), (g = p), (b = v);\n        break;\n      case 5:\n        (r = v), (g = p), (b = q);\n        break;\n      default:\n        (r = 0), (g = 0), (b = 0);\n    }\n\n    return new Rgba(r, g, b, a);\n  }\n\n  public cmykToRgb(cmyk: Cmyk): Rgba {\n    const r = (1 - cmyk.c) * (1 - cmyk.k);\n    const g = (1 - cmyk.m) * (1 - cmyk.k);\n    const b = (1 - cmyk.y) * (1 - cmyk.k);\n\n    return new Rgba(r, g, b, cmyk.a);\n  }\n\n  public rgbaToCmyk(rgba: Rgba): Cmyk {\n    const k: number = 1 - Math.max(rgba.r, rgba.g, rgba.b);\n\n    if (k === 1) {\n      return new Cmyk(0, 0, 0, 1, rgba.a);\n    } else {\n      const c = (1 - rgba.r - k) / (1 - k);\n      const m = (1 - rgba.g - k) / (1 - k);\n      const y = (1 - rgba.b - k) / (1 - k);\n\n      return new Cmyk(c, m, y, k, rgba.a);\n    }\n  }\n\n  public rgbaToHsva(rgba: Rgba): Hsva {\n    let h: number, s: number;\n\n    const r = Math.min(rgba.r, 1),\n      g = Math.min(rgba.g, 1);\n    const b = Math.min(rgba.b, 1),\n      a = Math.min(rgba.a, 1);\n\n    const max = Math.max(r, g, b),\n      min = Math.min(r, g, b);\n\n    const v: number = max,\n      d = max - min;\n\n    s = max === 0 ? 0 : d / max;\n\n    if (max === min) {\n      h = 0;\n    } else {\n      switch (max) {\n        case r:\n          h = (g - b) / d + (g < b ? 6 : 0);\n          break;\n        case g:\n          h = (b - r) / d + 2;\n          break;\n        case b:\n          h = (r - g) / d + 4;\n          break;\n        default:\n          h = 0;\n      }\n\n      h /= 6;\n    }\n\n    return new Hsva(h, s, v, a);\n  }\n\n  public rgbaToHex(rgba: Rgba, allowHex8?: boolean): string {\n    /* tslint:disable:no-bitwise */\n    let hex =\n      \"#\" +\n      ((1 << 24) | (rgba.r << 16) | (rgba.g << 8) | rgba.b)\n        .toString(16)\n        .substr(1);\n\n    if (rgba.a != 1) {\n      hex += ((1 << 8) | Math.round(rgba.a * 255)).toString(16).substr(1);\n    }\n    /* tslint:enable:no-bitwise */\n\n    return hex;\n  }\n\n  public normalizeCMYK(cmyk: Cmyk): Cmyk {\n    return new Cmyk(\n      cmyk.c / 100,\n      cmyk.m / 100,\n      cmyk.y / 100,\n      cmyk.k / 100,\n      cmyk.a\n    );\n  }\n\n  public denormalizeCMYK(cmyk: Cmyk): Cmyk {\n    return new Cmyk(\n      Math.floor(cmyk.c * 100),\n      Math.floor(cmyk.m * 100),\n      Math.floor(cmyk.y * 100),\n      Math.floor(cmyk.k * 100),\n      cmyk.a\n    );\n  }\n\n  public denormalizeRGBA(rgba: Rgba): Rgba {\n    return new Rgba(\n      Math.round(rgba.r * 255),\n      Math.round(rgba.g * 255),\n      Math.round(rgba.b * 255),\n      rgba.a\n    );\n  }\n\n  public stringToHsva(\n    colorString: string = \"\",\n    allowHex8: boolean = true\n  ): Hsva | null {\n    let hsva: Hsva | null = null;\n\n    colorString = (colorString || \"\").toLowerCase();\n\n    const stringParsers = [\n      {\n        re: /(rgb)a?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*%?,\\s*(\\d{1,3})\\s*%?(?:,\\s*(\\d+(?:\\.\\d+)?)\\s*)?\\)/,\n        parse: function (execResult: any) {\n          return new Rgba(\n            parseInt(execResult[2], 10) / 255,\n            parseInt(execResult[3], 10) / 255,\n            parseInt(execResult[4], 10) / 255,\n            isNaN(parseFloat(execResult[5])) ? 1 : parseFloat(execResult[5])\n          );\n        },\n      },\n      {\n        re: /(hsl)a?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})%\\s*,\\s*(\\d{1,3})%\\s*(?:,\\s*(\\d+(?:\\.\\d+)?)\\s*)?\\)/,\n        parse: function (execResult: any) {\n          return new Hsla(\n            parseInt(execResult[2], 10) / 360,\n            parseInt(execResult[3], 10) / 100,\n            parseInt(execResult[4], 10) / 100,\n            isNaN(parseFloat(execResult[5])) ? 1 : parseFloat(execResult[5])\n          );\n        },\n      },\n    ];\n\n    if (allowHex8) {\n      stringParsers.push({\n        re: /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})?$/,\n        parse: function (execResult: any) {\n          return new Rgba(\n            parseInt(execResult[1], 16) / 255,\n            parseInt(execResult[2], 16) / 255,\n            parseInt(execResult[3], 16) / 255,\n            parseInt(execResult[4] || \"FF\", 16) / 255\n          );\n        },\n      });\n    } else {\n      stringParsers.push({\n        re: /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})$/,\n        parse: function (execResult: any) {\n          return new Rgba(\n            parseInt(execResult[1], 16) / 255,\n            parseInt(execResult[2], 16) / 255,\n            parseInt(execResult[3], 16) / 255,\n            1\n          );\n        },\n      });\n    }\n\n    stringParsers.push({\n      re: /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])$/,\n      parse: function (execResult: any) {\n        return new Rgba(\n          parseInt(execResult[1] + execResult[1], 16) / 255,\n          parseInt(execResult[2] + execResult[2], 16) / 255,\n          parseInt(execResult[3] + execResult[3], 16) / 255,\n          1\n        );\n      },\n    });\n\n    for (const key in stringParsers) {\n      if (stringParsers.hasOwnProperty(key)) {\n        const parser = stringParsers[key];\n\n        const match = parser.re.exec(colorString),\n          color: any = match && parser.parse(match);\n\n        if (color) {\n          if (color instanceof Rgba) {\n            hsva = this.rgbaToHsva(color);\n          } else if (color instanceof Hsla) {\n            hsva = this.hsla2hsva(color);\n          }\n\n          return hsva;\n        }\n      }\n    }\n\n    return hsva;\n  }\n\n  public outputFormat(hsva: Hsva): string {\n    return this.hsvaToRgba(hsva).toString();\n  }\n\n  public getFormatByString(color: string): string {\n    if (color) {\n      color = color.toLowerCase();\n      let regexHex: RegExp = /(#([\\da-f]{3}(?:[\\da-f]{3})?(?:[\\da-f]{2})?))/;\n      let regexRGBA: RegExp =\n        /(rgba\\((\\d{1,3},\\s?){3}(1|0?\\.\\d+)\\)|rgb\\(\\d{1,3}(,\\s?\\d{1,3}){2}\\))/;\n      let regexHSLA: RegExp =\n        /(hsla\\((\\d{1,3}%?,\\s?){3}(1|0?\\.\\d+)\\)|hsl\\(\\d{1,3}%?(,\\s?\\d{1,3}%?){2}\\))/;\n      if (regexHex.test(color)) {\n        return \"hex\";\n      } else if (regexRGBA.test(color)) {\n        return \"rgba\";\n      } else if (regexHSLA.test(color)) {\n        return \"hsla\";\n      }\n    }\n    return \"hex\";\n  }\n}\n"]}