victory-vendor
Version:
Vendored dependencies for Victory
67 lines (66 loc) • 2 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _cardinalOpen = require("./cardinalOpen.js");
var _catmullRom = require("./catmullRom.js");
function CatmullRomOpen(context, alpha) {
this._context = context;
this._alpha = alpha;
}
CatmullRomOpen.prototype = {
areaStart: function () {
this._line = 0;
},
areaEnd: function () {
this._line = NaN;
},
lineStart: function () {
this._x0 = this._x1 = this._x2 = this._y0 = this._y1 = this._y2 = NaN;
this._l01_a = this._l12_a = this._l23_a = this._l01_2a = this._l12_2a = this._l23_2a = this._point = 0;
},
lineEnd: function () {
if (this._line || this._line !== 0 && this._point === 3) this._context.closePath();
this._line = 1 - this._line;
},
point: function (x, y) {
x = +x, y = +y;
if (this._point) {
var x23 = this._x2 - x,
y23 = this._y2 - y;
this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
}
switch (this._point) {
case 0:
this._point = 1;
break;
case 1:
this._point = 2;
break;
case 2:
this._point = 3;
this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2);
break;
case 3:
this._point = 4;
// falls through
default:
(0, _catmullRom.point)(this, x, y);
break;
}
this._l01_a = this._l12_a, this._l12_a = this._l23_a;
this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
}
};
var _default = exports.default = function custom(alpha) {
function catmullRom(context) {
return alpha ? new CatmullRomOpen(context, alpha) : new _cardinalOpen.CardinalOpen(context, 0);
}
catmullRom.alpha = function (alpha) {
return custom(+alpha);
};
return catmullRom;
}(0.5);