NuclearDispersionSystem/ant-design-vue-jeecg/node_modules/viser/lib/shapes/Sankey.js
2023-09-14 14:47:11 +08:00

65 lines
2.5 KiB
Java

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.registerShape = void 0;
var CustomizeUtils = _interopRequireWildcard(require("../utils/CustomizeUtils"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; if (obj != null) { var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
var DEFAULT_SANKEY_SHAPE = 'sankey';
function interpolationGenerator(a, b) {
var ka = +a;
var kb = b - ka;
return function (t) {
return ka + kb * t;
};
}
function getCurvePath(from, to, curvature) {
var interpolationFunc = interpolationGenerator(from.x, to.x);
var fromCtrlX = interpolationFunc(curvature);
var toCtrlX = interpolationFunc(1 - curvature);
var points = ['C', fromCtrlX, from.y, toCtrlX, to.y, to.x, to.y];
return points;
}
function getEdgePath(points, curvature) {
var path = [['M', points[0].x, points[0].y], ['L', points[1].x, points[1].y]];
var c1 = getCurvePath(points[1], points[3], curvature);
path.push(c1);
path.push(['L', points[3].x, points[3].y]);
path.push(['L', points[2].x, points[2].y]);
var c2 = getCurvePath(points[2], points[0], curvature);
path.push(c2);
path.push(['Z']);
return path;
}
var registerShape = function registerShape() {
CustomizeUtils.registerShape('edge', DEFAULT_SANKEY_SHAPE, {
drawShape: function drawShape(cfg, group) {
var points = cfg.points,
style = cfg.style;
var curvature = style.curvature || 0.5;
var path = this.parsePath(getEdgePath(points, curvature));
var shape = group.addShape('path', {
attrs: {
stroke: 'none',
strokeOpacity: 0,
fill: cfg.color,
opacity: cfg.opacity,
path: path
}
});
return shape;
}
});
};
exports.registerShape = registerShape;