@antv/g2
Version:
the Grammar of Graphics in Javascript
88 lines • 3.82 kB
JavaScript
;
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.Violin = void 0;
const d3_path_1 = require("@antv/vendor/d3-path");
const utils_1 = require("../utils");
const selection_1 = require("../../utils/selection");
const coordinate_1 = require("../../utils/coordinate");
const vector_1 = require("../../utils/vector");
function getPath(p, coordinate, size = 4) {
const path = (0, d3_path_1.path)();
if (!(0, coordinate_1.isPolar)(coordinate)) {
path.moveTo(...p[2]);
path.lineTo(...p[3]);
path.lineTo(p[3][0] - size, p[3][1]);
path.lineTo(p[10][0] - size, p[10][1]);
path.lineTo(p[10][0] + size, p[10][1]);
path.lineTo(p[3][0] + size, p[3][1]);
path.lineTo(...p[3]);
path.closePath();
path.moveTo(...p[10]);
path.lineTo(...p[11]);
path.moveTo(p[3][0] + size / 2, p[8][1]);
path.arc(p[3][0], p[8][1], size / 2, 0, Math.PI * 2);
path.closePath();
return path;
}
const center = coordinate.getCenter();
const [x, y] = center;
const radiusQ3 = (0, vector_1.dist)(center, p[3]);
const radiusMedian = (0, vector_1.dist)(center, p[8]);
const radiusQ1 = (0, vector_1.dist)(center, p[10]);
const middleAngle = (0, vector_1.angle)((0, vector_1.sub)(p[2], center));
const rectAngle = Math.asin(size / radiusMedian);
const startAngle = middleAngle - rectAngle;
const endAngle = middleAngle + rectAngle;
path.moveTo(...p[2]);
path.lineTo(...p[3]);
path.moveTo(Math.cos(startAngle) * radiusQ3 + x, Math.sin(startAngle) * radiusQ3 + y);
path.arc(x, y, radiusQ3, startAngle, endAngle);
path.lineTo(Math.cos(endAngle) * radiusQ1 + x, Math.sin(endAngle) * radiusQ1 + y);
path.arc(x, y, radiusQ1, endAngle, startAngle, true);
path.lineTo(Math.cos(startAngle) * radiusQ3 + x, Math.sin(startAngle) * radiusQ3 + y);
path.closePath();
path.moveTo(...p[10]);
path.lineTo(...p[11]);
const a = (startAngle + endAngle) / 2;
path.moveTo(Math.cos(a) * (radiusMedian + size / 2) + x, Math.sin(a) * (radiusMedian + size / 2) + y);
path.arc(Math.cos(a) * radiusMedian + x, Math.sin(a) * radiusMedian + y, size / 2, a, Math.PI * 2 + a);
path.closePath();
return path;
}
const Violin = (options, context) => {
const { coordinate, document } = context;
return (points, value, defaults) => {
const { color, transform } = value;
// TODO: how to setting it by size channel.
const size = 4;
const { color: defaultColor, fill = defaultColor, stroke = defaultColor } = defaults, rest = __rest(defaults, ["color", "fill", "stroke"]);
const path = getPath(points, coordinate, size);
return (0, selection_1.select)(document.createElement('path', {}))
.call(utils_1.applyStyle, rest)
.style('d', path.toString())
.style('stroke', stroke)
.style('fill', color || fill)
.style('transform', transform)
.call(utils_1.applyStyle, options)
.node();
};
};
exports.Violin = Violin;
exports.Violin.props = {
defaultMarker: 'point',
defaultEnterAnimation: 'fadeIn',
defaultUpdateAnimation: 'morphing',
defaultExitAnimation: 'fadeOut',
};
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