@antv/util/esm/path/util/segment-line-factory.js

<h1 align="center">@antv/util</h1>

import { midPoint } from './mid-point';
import { distanceSquareRoot } from './distance-square-root';
/**
 * Returns a {x,y} point at a given length, the total length and
 * the minimum and maximum {x,y} coordinates of a line (L,V,H,Z) segment.
 */
export function segmentLineFactory(x1, y1, x2, y2, distance) {
    var length = distanceSquareRoot([x1, y1], [x2, y2]);
    var point = { x: 0, y: 0 };
    if (typeof distance === 'number') {
        if (distance <= 0) {
            point = { x: x1, y: y1 };
        }
        else if (distance >= length) {
            point = { x: x2, y: y2 };
        }
        else {
            var _a = midPoint([x1, y1], [x2, y2], distance / length), x = _a[0], y = _a[1];
            point = { x: x, y: y };
        }
    }
    return {
        length: length,
        point: point,
        min: {
            x: Math.min(x1, x2),
            y: Math.min(y1, y2),
        },
        max: {
            x: Math.max(x1, x2),
            y: Math.max(y1, y2),
        },
    };
}
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