@antv/f2/lib/deps/d3-interpolate/src/rgb.js

Charts for mobile visualization.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.rgbBasisClosed = exports.rgbBasis = exports.default = void 0;
var _src = require("../../d3-color/src");
var _basis = _interopRequireDefault(require("./basis.js"));
var _basisClosed = _interopRequireDefault(require("./basisClosed.js"));
var _color = _interopRequireWildcard(require("./color.js"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
var _default = exports.default = function rgbGamma(y) {
  var color = (0, _color.gamma)(y);
  function rgb(start, end) {
    var r = color((start = (0, _src.rgb)(start)).r, (end = (0, _src.rgb)(end)).r),
      g = color(start.g, end.g),
      b = color(start.b, end.b),
      opacity = (0, _color.default)(start.opacity, end.opacity);
    return function (t) {
      start.r = r(t);
      start.g = g(t);
      start.b = b(t);
      start.opacity = opacity(t);
      return start + '';
    };
  }
  rgb.gamma = rgbGamma;
  return rgb;
}(1);
function rgbSpline(spline) {
  return function (colors) {
    var n = colors.length,
      r = new Array(n),
      g = new Array(n),
      b = new Array(n),
      i,
      color;
    for (i = 0; i < n; ++i) {
      color = (0, _src.rgb)(colors[i]);
      r[i] = color.r || 0;
      g[i] = color.g || 0;
      b[i] = color.b || 0;
    }
    r = spline(r);
    g = spline(g);
    b = spline(b);
    color.opacity = 1;
    return function (t) {
      color.r = r(t);
      color.g = g(t);
      color.b = b(t);
      return color + '';
    };
  };
}
var rgbBasis = exports.rgbBasis = rgbSpline(_basis.default);
var rgbBasisClosed = exports.rgbBasisClosed = rgbSpline(_basisClosed.default);