| 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.CardinalClosed = CardinalClosed;
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| 7 | exports.default = void 0;
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| 8 | var _noop = _interopRequireDefault(require("../noop.js"));
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| 9 | var _cardinal = require("./cardinal.js");
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| 10 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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| 11 | function CardinalClosed(context, tension) {
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| 12 | this._context = context;
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| 13 | this._k = (1 - tension) / 6;
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| 14 | }
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| 15 | CardinalClosed.prototype = {
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| 16 | areaStart: _noop.default,
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| 17 | areaEnd: _noop.default,
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| 18 | lineStart: function () {
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| 19 | this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;
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| 20 | this._point = 0;
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| 21 | },
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| 22 | lineEnd: function () {
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| 23 | switch (this._point) {
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| 24 | case 1:
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| 25 | {
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| 26 | this._context.moveTo(this._x3, this._y3);
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| 27 | this._context.closePath();
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| 28 | break;
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| 29 | }
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| 30 | case 2:
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| 31 | {
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| 32 | this._context.lineTo(this._x3, this._y3);
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| 33 | this._context.closePath();
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| 34 | break;
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| 35 | }
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| 36 | case 3:
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| 37 | {
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| 38 | this.point(this._x3, this._y3);
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| 39 | this.point(this._x4, this._y4);
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| 40 | this.point(this._x5, this._y5);
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| 41 | break;
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| 42 | }
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| 43 | }
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| 44 | },
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| 45 | point: function (x, y) {
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| 46 | x = +x, y = +y;
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| 47 | switch (this._point) {
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| 48 | case 0:
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| 49 | this._point = 1;
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| 50 | this._x3 = x, this._y3 = y;
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| 51 | break;
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| 52 | case 1:
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| 53 | this._point = 2;
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| 54 | this._context.moveTo(this._x4 = x, this._y4 = y);
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| 55 | break;
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| 56 | case 2:
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| 57 | this._point = 3;
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| 58 | this._x5 = x, this._y5 = y;
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| 59 | break;
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| 60 | default:
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| 61 | (0, _cardinal.point)(this, x, y);
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| 62 | break;
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| 63 | }
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| 64 | this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
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| 65 | this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
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| 66 | }
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| 67 | };
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| 68 | var _default = exports.default = function custom(tension) {
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| 69 | function cardinal(context) {
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| 70 | return new CardinalClosed(context, tension);
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| 71 | }
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| 72 | cardinal.tension = function (tension) {
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| 73 | return custom(+tension);
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| 74 | };
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| 75 | return cardinal;
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| 76 | }(0); |
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