@visactor/vrender-components
Version:
components library for dp visualization
40 lines (35 loc) • 1.73 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: !0
}), exports.PolygonCrosshair = void 0;
const vutils_1 = require("@visactor/vutils"), base_1 = require("./base"), register_1 = require("./register");
(0, register_1.loadPolygonCrosshairComponent)();
class PolygonCrosshair extends base_1.CrosshairBase {
constructor(attributes, options) {
super((null == options ? void 0 : options.skipDefault) ? attributes : (0, vutils_1.merge)({}, PolygonCrosshair.defaultAttributes, attributes));
}
renderCrosshair(container) {
const {center: center, radius: radius, sides: sides = 6, lineStyle: lineStyle} = this.attribute, {startAngle: startAngle, endAngle: endAngle} = this.attribute, isClose = (endAngle - startAngle) % (2 * Math.PI) == 0, eachAngle = (endAngle - startAngle) / sides;
let path;
for (let index = 0; index <= sides; index++) {
const angle = startAngle + eachAngle * index, point = (0, vutils_1.polarToCartesian)(center, radius, angle);
0 === index ? path = `M${point.x},${point.y}` : path += `L${point.x},${point.y}`,
index === sides && isClose && (path += "Z");
}
return container.createOrUpdateChild("crosshair-polygon", Object.assign({
path: path
}, lineStyle), "path");
}
setLocation(point) {
const {center: center} = this.attribute, radius = vutils_1.PointService.distancePP(point, center);
this.setAttribute("radius", radius);
}
}
exports.PolygonCrosshair = PolygonCrosshair, PolygonCrosshair.defaultAttributes = {
lineStyle: {
stroke: "#b2bacf",
lineWidth: 1,
lineDash: [ 2 ]
}
};
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