@antv/g6
Version:
A Graph Visualization Framework in JavaScript
24 lines • 884 B
JavaScript
import { getCurveControlPoint, getQuadraticPath } from '../../utils/edge';
import { mergeOptions } from '../../utils/style';
import { BaseEdge } from './base-edge';
/**
* <zh/> 二次贝塞尔曲线
*
* <en/> Quadratic Bezier curve
*/
export class Quadratic extends BaseEdge {
constructor(options) {
super(mergeOptions({ style: Quadratic.defaultStyleProps }, options));
}
getKeyPath(attributes) {
const { curvePosition, curveOffset } = attributes;
const [sourcePoint, targetPoint] = this.getEndpoints(attributes);
const controlPoint = attributes.controlPoint || getCurveControlPoint(sourcePoint, targetPoint, curvePosition, curveOffset);
return getQuadraticPath(sourcePoint, targetPoint, controlPoint);
}
}
Quadratic.defaultStyleProps = {
curvePosition: 0.5,
curveOffset: 30,
};
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