@devexperts/dxcharts-lite
Version:
25 lines (24 loc) • 1.06 kB
JavaScript
/*
* Copyright (C) 2019 - 2026 Devexperts Solutions IE Limited
* This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
* If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { flat } from '../../utils/array.utils';
const SCATTER_PLOT_RADIUS = 1.5;
export class ScatterPlotDrawer {
constructor(config) {
this.config = config;
}
draw(ctx, points, model, hitTestDrawerConfig) {
var _a;
const radius = hitTestDrawerConfig.hoverWidth ? hitTestDrawerConfig.hoverWidth / 2 : SCATTER_PLOT_RADIUS;
ctx.fillStyle = (_a = hitTestDrawerConfig.color) !== null && _a !== void 0 ? _a : this.config.mainColor;
for (const visualCandle of flat(points)) {
ctx.beginPath();
const lineX = model.view.toX(visualCandle.centerUnit);
const closeY = model.view.toY(visualCandle.close);
ctx.arc(lineX, closeY, radius, 0, Math.PI * 2, true);
ctx.fill();
}
}
}