sk-js/es/Color0.js

JavaScript for ShaneKing

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

import Proxy0 from './Proxy0';
var _goldenRatio = 0.618033988749895;

var _goldenRatioColor = function _goldenRatioColor(hue) {
  var saturation = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0.5;
  var value = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0.95;

  var _hue = hue || Math.random();

  _hue += _goldenRatio;
  _hue %= 1;
  return [_hue * 360, saturation * 100, value * 100];
};

var Color0 =
/*#__PURE__*/
function () {
  function Color0() {
    _classCallCheck(this, Color0);
  }

  _createClass(Color0, null, [{
    key: "hex2rgb",
    value: function hex2rgb(hex) {
      hex = '0x' + hex.slice(1).replace(hex.length > 4 ? hex : /./g, '$&$&') | 0;
      return [hex >> 16, hex >> 8 & 255, hex & 255];
    }
  }, {
    key: "hexColor",
    value: function hexColor(str) {
      var hue = undefined;

      if (str) {
        hue = parseFloat(parseInt(Proxy0.md5.hex(str), 16).toString(10).split('e')[0]) / 10;
      }

      return Color0.rgb2hex(Color0.hsv2rgb(_goldenRatioColor(hue)));
    }
  }, {
    key: "hsl2hsv",
    value: function hsl2hsv(hsl) {
      var h = hsl[0],
          s = hsl[1] / 100,
          l = hsl[2] / 100,
          sv,
          v;
      l *= 2;
      s *= l <= 1 ? l : 2 - l;
      v = (l + s) / 2;
      sv = 2 * s / (l + s);
      return [h, sv * 100, v * 100];
    }
  }, {
    key: "hsl2rgb",
    value: function hsl2rgb(hsl) {
      var h = hsl[0] / 360,
          s = hsl[1] / 100,
          l = hsl[2] / 100,
          t1,
          t2,
          t3,
          rgb,
          val;

      if (s === 0) {
        val = l * 255;
        return [val, val, val];
      }

      if (l < 0.5) t2 = l * (1 + s);else t2 = l + s - l * s;
      t1 = 2 * l - t2;
      rgb = [0, 0, 0];

      for (var i = 0; i < 3; i++) {
        t3 = h + 1 / 3 * -(i - 1);
        if (t3 < 0) t3++;
        if (t3 > 1) t3--;
        if (6 * t3 < 1) val = t1 + (t2 - t1) * 6 * t3;else if (2 * t3 < 1) val = t2;else if (3 * t3 < 2) val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;else val = t1;
        rgb[i] = val * 255;
      }

      return rgb;
    }
  }, {
    key: "hsv2hsl",
    value: function hsv2hsl(hsv) {
      var h = hsv[0],
          s = hsv[1] / 100,
          v = hsv[2] / 100,
          sl,
          l;
      l = (2 - s) * v;
      sl = s * v;
      sl /= l <= 1 ? l : 2 - l;
      l /= 2;
      return [h, sl * 100, l * 100];
    }
  }, {
    key: "hsv2rgb",
    value: function hsv2rgb(hsv) {
      var h = hsv[0] / 60;
      var s = hsv[1] / 100;
      var v = hsv[2] / 100;
      var hi = Math.floor(h) % 6;
      var f = h - Math.floor(h);
      var p = 255 * v * (1 - s);
      var q = 255 * v * (1 - s * f);
      var t = 255 * v * (1 - s * (1 - f));
      v = 255 * v;

      switch (hi) {
        case 0:
          return [v, t, p];

        case 1:
          return [q, v, p];

        case 2:
          return [p, v, t];

        case 3:
          return [p, q, v];

        case 4:
          return [t, p, v];

        case 5:
          return [v, p, q];
      }
    }
  }, {
    key: "rgb2hex",
    value: function rgb2hex(rgb) {
      return "#" + ((256 + rgb[0] << 8 | rgb[1]) << 8 | rgb[2]).toString(16).slice(1);
    }
  }, {
    key: "rgb2hsl",
    value: function rgb2hsl(rgb) {
      var r = rgb[0] / 255,
          g = rgb[1] / 255,
          b = rgb[2] / 255,
          min = Math.min(r, g, b),
          max = Math.max(r, g, b),
          delta = max - min,
          h,
          s,
          l;
      if (max === min) h = 0;else if (r === max) h = (g - b) / delta;else if (g === max) h = 2 + (b - r) / delta;else if (b === max) h = 4 + (r - g) / delta;
      h = Math.min(h * 60, 360);
      if (h < 0) h += 360;
      l = (min + max) / 2;
      if (max === min) s = 0;else if (l <= 0.5) s = delta / (max + min);else s = delta / (2 - max - min);
      return [h, s * 100, l * 100];
    }
  }, {
    key: "rgb2hsv",
    value: function rgb2hsv(rgb) {
      var r = rgb[0],
          g = rgb[1],
          b = rgb[2],
          min = Math.min(r, g, b),
          max = Math.max(r, g, b),
          delta = max - min,
          h,
          s,
          v;
      if (max === 0) s = 0;else s = delta / max * 1000 / 10;
      if (max === min) h = 0;else if (r === max) h = (g - b) / delta;else if (g === max) h = 2 + (b - r) / delta;else if (b === max) h = 4 + (r - g) / delta;
      h = Math.min(h * 60, 360);
      if (h < 0) h += 360;
      v = max / 255 * 1000 / 10;
      return [h, s, v];
    }
  }]);

  return Color0;
}();

export { Color0 as default };