swOperation/node_modules/@antv/component/esm/crosshair/line.js

import { __assign, __extends } from "tslib";
import { getTextPoint } from '../util/util';
import CrosshairBase from './base';
var LineCrosshair = /** @class */ (function (_super) {
    __extends(LineCrosshair, _super);
    function LineCrosshair() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    LineCrosshair.prototype.getDefaultCfg = function () {
        var cfg = _super.prototype.getDefaultCfg.call(this);
        return __assign(__assign({}, cfg), { type: 'line', locationType: 'region', start: null, end: null });
    };
    // 直线的文本需要同直线垂直
    LineCrosshair.prototype.getRotateAngle = function () {
        var _a = this.getLocation(), start = _a.start, end = _a.end;
        var position = this.get('text').position;
        var angle = Math.atan2(end.y - start.y, end.x - start.x);
        var tangentAngle = position === 'start' ? angle - Math.PI / 2 : angle + Math.PI / 2;
        return tangentAngle;
    };
    LineCrosshair.prototype.getTextPoint = function () {
        var _a = this.getLocation(), start = _a.start, end = _a.end;
        var _b = this.get('text'), position = _b.position, offset = _b.offset;
        return getTextPoint(start, end, position, offset);
    };
    LineCrosshair.prototype.getLinePath = function () {
        var _a = this.getLocation(), start = _a.start, end = _a.end;
        return [
            ['M', start.x, start.y],
            ['L', end.x, end.y],
        ];
    };
    return LineCrosshair;
}(CrosshairBase));
export default LineCrosshair;
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