@antv/g2
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the Grammar of Graphics in Javascript
77 lines • 3.04 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.Ribbon = void 0;
const d3_path_1 = require("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 getRibbonPath(points, coordinate) {
const [p0, p1, p2, p3] = points;
const path = (0, d3_path_1.path)();
// In polar, draw shape only for Chord.
if ((0, coordinate_1.isPolar)(coordinate)) {
const center = coordinate.getCenter();
const radius = (0, vector_1.dist)(center, p0);
path.moveTo(p0[0], p0[1]);
// p0 -> p2
path.quadraticCurveTo(center[0], center[1], p2[0], p2[1]);
// p2 -> p3
(0, utils_1.appendArc)(path, p2, p3, center, radius);
// p3 -> p1
path.quadraticCurveTo(center[0], center[1], p1[0], p1[1]);
// p1 -> p0
(0, utils_1.appendArc)(path, p1, p0, center, radius);
path.closePath();
return path;
}
// In Rect, draw shape for Sankey.
path.moveTo(p0[0], p0[1]);
path.bezierCurveTo(p0[0] / 2 + p2[0] / 2, p0[1], p0[0] / 2 + p2[0] / 2, p2[1], p2[0], p2[1]);
path.lineTo(p3[0], p3[1]);
path.bezierCurveTo(p3[0] / 2 + p1[0] / 2, p3[1], p3[0] / 2 + p1[0] / 2, p1[1], p1[0], p1[1]);
path.lineTo(p0[0], p0[1]);
path.closePath();
return path;
}
/**
* Connect points for 4 points:
* - In rect, draw ribbon used in Sankey.
* - In polar, draw arc used in Chord.
*/
const Ribbon = (options, context) => {
const style = __rest(options, []);
const { coordinate, document } = context;
return (points, value, defaults) => {
const { color: defaultColor } = defaults, rest = __rest(defaults, ["color"]);
const { color = defaultColor, transform } = value;
const path = getRibbonPath(points, coordinate);
return (0, selection_1.select)(document.createElement('path', {}))
.call(utils_1.applyStyle, rest)
.style('d', path.toString())
.style('fill', color || defaultColor)
.style('stroke', color || defaultColor)
.style('transform', transform)
.call(utils_1.applyStyle, style)
.node();
};
};
exports.Ribbon = Ribbon;
exports.Ribbon.props = {
defaultMarker: 'square',
defaultEnterAnimation: 'fadeIn',
defaultUpdateAnimation: 'morphing',
defaultExitAnimation: 'fadeOut',
};
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