swOperation/node_modules/@antv/g2/lib/shape/line/trail.js

"use strict";
var __rest = (this && this.__rest) || function (s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Trail = void 0;
const d3_path_1 = require("d3-path");
const g_1 = require("@antv/g");
const selection_1 = require("../../utils/selection");
const utils_1 = require("../utils");
const vector_1 = require("../../utils/vector");
const curve_1 = require("./curve");
/**
 *
 * x9-x0---------x1-x2
 * /   |r1        |r2 \
 *x8---p0---------p1---x3
 * \ r4|          | r3 /
 *  x7-x6--------x5-x4
 */
function stroke(path, p0, p1, s0, s1) {
    const v = (0, vector_1.sub)(p1, p0);
    const a = (0, vector_1.angle)(v);
    const a1 = a + Math.PI / 2;
    const r1 = [(s0 / 2) * Math.cos(a1), (s0 / 2) * Math.sin(a1)];
    const r2 = [(s1 / 2) * Math.cos(a1), (s1 / 2) * Math.sin(a1)];
    const r3 = [(s1 / 2) * Math.cos(a), (s1 / 2) * Math.sin(a)];
    const r4 = [(s0 / 2) * Math.cos(a), (s0 / 2) * Math.sin(a)];
    const x0 = (0, vector_1.add)(p0, r1);
    const x1 = (0, vector_1.add)(p1, r2);
    const x2 = (0, vector_1.add)(x1, r3);
    const x3 = (0, vector_1.add)(p1, r3);
    const x4 = (0, vector_1.sub)(x3, r2);
    const x5 = (0, vector_1.sub)(p1, r2);
    const x6 = (0, vector_1.sub)(p0, r1);
    const x7 = (0, vector_1.sub)(x6, r4);
    const x8 = (0, vector_1.sub)(p0, r4);
    const x9 = (0, vector_1.sub)(x0, r4);
    path.moveTo(...x0);
    path.lineTo(...x1);
    path.arcTo(...x2, ...x3, s1 / 2);
    path.arcTo(...x4, ...x5, s1 / 2);
    path.lineTo(...x6);
    path.arcTo(...x7, ...x8, s0 / 2);
    path.arcTo(...x9, ...x0, s0 / 2);
    path.closePath();
}
const Trail = (options) => {
    return (P, value, coordinate, theme) => {
        const { mark, shape, defaultShape, seriesSize, color } = value;
        const _a = (0, utils_1.getShapeTheme)(theme, mark, shape, defaultShape), { defaultColor } = _a, defaults = __rest(_a, ["defaultColor"]);
        const path = (0, d3_path_1.path)();
        for (let i = 0; i < P.length - 1; i++) {
            const p0 = P[i];
            const p1 = P[i + 1];
            const s0 = seriesSize[i];
            const s1 = seriesSize[i + 1];
            stroke(path, p0, p1, s0, s1);
        }
        return (0, selection_1.select)(new g_1.Path({}))
            .call(utils_1.applyStyle, defaults)
            .style('fill', color || defaultColor)
            .style('d', path.toString())
            .call(utils_1.applyStyle, options)
            .node();
    };
};
exports.Trail = Trail;
exports.Trail.props = Object.assign(Object.assign({}, curve_1.Curve.props), { defaultMarker: 'line' });
//# sourceMappingURL=trail.js.map