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ngx-colors-v

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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)

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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\";\r\n\r\nimport { Cmyk, Rgba, Hsla, Hsva } from \"../clases/formats\";\r\n\r\nimport { ColorPickerComponent } from \"../components/color-picker/color-picker.component\";\r\nimport { ColorFormats } from \"../enums/formats\";\r\n\r\n@Injectable()\r\nexport class ConverterService {\r\n  // private active: ColorPickerComponent | null = null;\r\n\r\n  constructor() {}\r\n\r\n  // public setActive(active: ColorPickerComponent | null): void {\r\n  //   this.active = active;\r\n  // }\r\n\r\n  toFormat(hsva: Hsva, format: ColorFormats) {\r\n    var output = \"\";\r\n    if (hsva) {\r\n      switch (format) {\r\n        case ColorFormats.HEX:\r\n          var rgba: Rgba = this.hsvaToRgba(hsva);\r\n          rgba.denormalize();\r\n          var output = this.rgbaToHex(rgba, true);\r\n          break;\r\n        case ColorFormats.HSLA:\r\n          var hsla: Hsla = this.hsva2hsla(hsva);\r\n          hsla.denormalize();\r\n          var output = hsla.toString();\r\n          break;\r\n        case ColorFormats.RGBA:\r\n          var rgba: Rgba = this.hsvaToRgba(hsva);\r\n          var output = rgba.toString();\r\n          break;\r\n        case ColorFormats.CMYK:\r\n          var rgba: Rgba = this.hsvaToRgba(hsva);\r\n          var cmyk: Cmyk = this.rgbaToCmyk(rgba);\r\n          break;\r\n      }\r\n    }\r\n    return output;\r\n  }\r\n\r\n  public stringToFormat(color: string, format: ColorFormats) {\r\n    var hsva = this.stringToHsva(color, true);\r\n    return this.toFormat(hsva, format);\r\n  }\r\n\r\n  public hsva2hsla(hsva: Hsva): Hsla {\r\n    const h = hsva.h,\r\n      s = hsva.s,\r\n      v = hsva.v,\r\n      a = hsva.a;\r\n\r\n    if (v === 0) {\r\n      return new Hsla(h, 0, 0, a);\r\n    } else if (s === 0 && v === 1) {\r\n      return new Hsla(h, 1, 1, a);\r\n    } else {\r\n      const l = (v * (2 - s)) / 2;\r\n\r\n      return new Hsla(h, (v * s) / (1 - Math.abs(2 * l - 1)), l, a);\r\n    }\r\n  }\r\n\r\n  public hsla2hsva(hsla: Hsla): Hsva {\r\n    const h = Math.min(hsla.h, 1),\r\n      s = Math.min(hsla.s, 1);\r\n    const l = Math.min(hsla.l, 1),\r\n      a = Math.min(hsla.a, 1);\r\n\r\n    if (l === 0) {\r\n      return new Hsva(h, 0, 0, a);\r\n    } else {\r\n      const v = l + (s * (1 - Math.abs(2 * l - 1))) / 2;\r\n\r\n      return new Hsva(h, (2 * (v - l)) / v, v, a);\r\n    }\r\n  }\r\n\r\n  public hsvaToRgba(hsva: Hsva): Rgba {\r\n    let r: number, g: number, b: number;\r\n\r\n    const h = hsva.h,\r\n      s = hsva.s,\r\n      v = hsva.v,\r\n      a = hsva.a;\r\n\r\n    const i = Math.floor(h * 6);\r\n    const f = h * 6 - i;\r\n    const p = v * (1 - s);\r\n    const q = v * (1 - f * s);\r\n    const t = v * (1 - (1 - f) * s);\r\n\r\n    switch (i % 6) {\r\n      case 0:\r\n        (r = v), (g = t), (b = p);\r\n        break;\r\n      case 1:\r\n        (r = q), (g = v), (b = p);\r\n        break;\r\n      case 2:\r\n        (r = p), (g = v), (b = t);\r\n        break;\r\n      case 3:\r\n        (r = p), (g = q), (b = v);\r\n        break;\r\n      case 4:\r\n        (r = t), (g = p), (b = v);\r\n        break;\r\n      case 5:\r\n        (r = v), (g = p), (b = q);\r\n        break;\r\n      default:\r\n        (r = 0), (g = 0), (b = 0);\r\n    }\r\n\r\n    return new Rgba(r, g, b, a);\r\n  }\r\n\r\n  public cmykToRgb(cmyk: Cmyk): Rgba {\r\n    const r = (1 - cmyk.c) * (1 - cmyk.k);\r\n    const g = (1 - cmyk.m) * (1 - cmyk.k);\r\n    const b = (1 - cmyk.y) * (1 - cmyk.k);\r\n\r\n    return new Rgba(r, g, b, cmyk.a);\r\n  }\r\n\r\n  public rgbaToCmyk(rgba: Rgba): Cmyk {\r\n    const k: number = 1 - Math.max(rgba.r, rgba.g, rgba.b);\r\n\r\n    if (k === 1) {\r\n      return new Cmyk(0, 0, 0, 1, rgba.a);\r\n    } else {\r\n      const c = (1 - rgba.r - k) / (1 - k);\r\n      const m = (1 - rgba.g - k) / (1 - k);\r\n      const y = (1 - rgba.b - k) / (1 - k);\r\n\r\n      return new Cmyk(c, m, y, k, rgba.a);\r\n    }\r\n  }\r\n\r\n  public rgbaToHsva(rgba: Rgba): Hsva {\r\n    let h: number, s: number;\r\n\r\n    const r = Math.min(rgba.r, 1),\r\n      g = Math.min(rgba.g, 1);\r\n    const b = Math.min(rgba.b, 1),\r\n      a = Math.min(rgba.a, 1);\r\n\r\n    const max = Math.max(r, g, b),\r\n      min = Math.min(r, g, b);\r\n\r\n    const v: number = max,\r\n      d = max - min;\r\n\r\n    s = max === 0 ? 0 : d / max;\r\n\r\n    if (max === min) {\r\n      h = 0;\r\n    } else {\r\n      switch (max) {\r\n        case r:\r\n          h = (g - b) / d + (g < b ? 6 : 0);\r\n          break;\r\n        case g:\r\n          h = (b - r) / d + 2;\r\n          break;\r\n        case b:\r\n          h = (r - g) / d + 4;\r\n          break;\r\n        default:\r\n          h = 0;\r\n      }\r\n\r\n      h /= 6;\r\n    }\r\n\r\n    return new Hsva(h, s, v, a);\r\n  }\r\n\r\n  public rgbaToHex(rgba: Rgba, allowHex8?: boolean): string {\r\n    /* tslint:disable:no-bitwise */\r\n    let hex =\r\n      \"#\" +\r\n      ((1 << 24) | (rgba.r << 16) | (rgba.g << 8) | rgba.b)\r\n        .toString(16)\r\n        .substr(1);\r\n\r\n    if (rgba.a != 1) {\r\n      hex += ((1 << 8) | Math.round(rgba.a * 255)).toString(16).substr(1);\r\n    }\r\n    /* tslint:enable:no-bitwise */\r\n\r\n    return hex;\r\n  }\r\n\r\n  public normalizeCMYK(cmyk: Cmyk): Cmyk {\r\n    return new Cmyk(\r\n      cmyk.c / 100,\r\n      cmyk.m / 100,\r\n      cmyk.y / 100,\r\n      cmyk.k / 100,\r\n      cmyk.a\r\n    );\r\n  }\r\n\r\n  public denormalizeCMYK(cmyk: Cmyk): Cmyk {\r\n    return new Cmyk(\r\n      Math.floor(cmyk.c * 100),\r\n      Math.floor(cmyk.m * 100),\r\n      Math.floor(cmyk.y * 100),\r\n      Math.floor(cmyk.k * 100),\r\n      cmyk.a\r\n    );\r\n  }\r\n\r\n  public denormalizeRGBA(rgba: Rgba): Rgba {\r\n    return new Rgba(\r\n      Math.round(rgba.r * 255),\r\n      Math.round(rgba.g * 255),\r\n      Math.round(rgba.b * 255),\r\n      rgba.a\r\n    );\r\n  }\r\n\r\n  public stringToHsva(\r\n    colorString: string = \"\",\r\n    allowHex8: boolean = true\r\n  ): Hsva | null {\r\n    let hsva: Hsva | null = null;\r\n\r\n    colorString = (colorString || \"\").toLowerCase();\r\n\r\n    const stringParsers = [\r\n      {\r\n        re: /(rgb)a?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*%?,\\s*(\\d{1,3})\\s*%?(?:,\\s*(\\d+(?:\\.\\d+)?)\\s*)?\\)/,\r\n        parse: function (execResult: any) {\r\n          return new Rgba(\r\n            parseInt(execResult[2], 10) / 255,\r\n            parseInt(execResult[3], 10) / 255,\r\n            parseInt(execResult[4], 10) / 255,\r\n            isNaN(parseFloat(execResult[5])) ? 1 : parseFloat(execResult[5])\r\n          );\r\n        },\r\n      },\r\n      {\r\n        re: /(hsl)a?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})%\\s*,\\s*(\\d{1,3})%\\s*(?:,\\s*(\\d+(?:\\.\\d+)?)\\s*)?\\)/,\r\n        parse: function (execResult: any) {\r\n          return new Hsla(\r\n            parseInt(execResult[2], 10) / 360,\r\n            parseInt(execResult[3], 10) / 100,\r\n            parseInt(execResult[4], 10) / 100,\r\n            isNaN(parseFloat(execResult[5])) ? 1 : parseFloat(execResult[5])\r\n          );\r\n        },\r\n      },\r\n    ];\r\n\r\n    if (allowHex8) {\r\n      stringParsers.push({\r\n        re: /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})?$/,\r\n        parse: function (execResult: any) {\r\n          return new Rgba(\r\n            parseInt(execResult[1], 16) / 255,\r\n            parseInt(execResult[2], 16) / 255,\r\n            parseInt(execResult[3], 16) / 255,\r\n            parseInt(execResult[4] || \"FF\", 16) / 255\r\n          );\r\n        },\r\n      });\r\n    } else {\r\n      stringParsers.push({\r\n        re: /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})$/,\r\n        parse: function (execResult: any) {\r\n          return new Rgba(\r\n            parseInt(execResult[1], 16) / 255,\r\n            parseInt(execResult[2], 16) / 255,\r\n            parseInt(execResult[3], 16) / 255,\r\n            1\r\n          );\r\n        },\r\n      });\r\n    }\r\n\r\n    stringParsers.push({\r\n      re: /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])$/,\r\n      parse: function (execResult: any) {\r\n        return new Rgba(\r\n          parseInt(execResult[1] + execResult[1], 16) / 255,\r\n          parseInt(execResult[2] + execResult[2], 16) / 255,\r\n          parseInt(execResult[3] + execResult[3], 16) / 255,\r\n          1\r\n        );\r\n      },\r\n    });\r\n\r\n    for (const key in stringParsers) {\r\n      if (stringParsers.hasOwnProperty(key)) {\r\n        const parser = stringParsers[key];\r\n\r\n        const match = parser.re.exec(colorString),\r\n          color: any = match && parser.parse(match);\r\n\r\n        if (color) {\r\n          if (color instanceof Rgba) {\r\n            hsva = this.rgbaToHsva(color);\r\n          } else if (color instanceof Hsla) {\r\n            hsva = this.hsla2hsva(color);\r\n          }\r\n\r\n          return hsva;\r\n        }\r\n      }\r\n    }\r\n\r\n    return hsva;\r\n  }\r\n\r\n  public outputFormat(hsva: Hsva): string {\r\n    return this.hsvaToRgba(hsva).toString();\r\n  }\r\n\r\n  public getFormatByString(color: string): string {\r\n    if (color) {\r\n      color = color.toLowerCase();\r\n      let regexHex: RegExp = /(#([\\da-f]{3}(?:[\\da-f]{3})?(?:[\\da-f]{2})?))/;\r\n      let regexRGBA: RegExp =\r\n        /(rgba\\((\\d{1,3},\\s?){3}(1|0?\\.\\d+)\\)|rgb\\(\\d{1,3}(,\\s?\\d{1,3}){2}\\))/;\r\n      let regexHSLA: RegExp =\r\n        /(hsla\\((\\d{1,3}%?,\\s?){3}(1|0?\\.\\d+)\\)|hsl\\(\\d{1,3}%?(,\\s?\\d{1,3}%?){2}\\))/;\r\n      if (regexHex.test(color)) {\r\n        return \"hex\";\r\n      } else if (regexRGBA.test(color)) {\r\n        return \"rgba\";\r\n      } else if (regexHSLA.test(color)) {\r\n        return \"hsla\";\r\n      }\r\n    }\r\n    return \"hex\";\r\n  }\r\n}\r\n"]}