@devexperts/dxcharts-lite
Version:
28 lines (27 loc) • 1.08 kB
JavaScript
/*
* Copyright (C) 2019 - 2025 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/.
*/
export class TriangleDrawer {
constructor() { }
draw(ctx, allPoints, model, hitTestDrawerConfig) {
allPoints.forEach((points, idx) => {
var _a;
const config = model.getPaintConfig(idx);
ctx.fillStyle = (_a = hitTestDrawerConfig.color) !== null && _a !== void 0 ? _a : config.color;
points.forEach(p => {
const x = model.view.toX(p.centerUnit);
const y = model.view.toY(p.close);
this.drawCandleTriangle(ctx, x, y, config.lineWidth);
});
});
}
drawCandleTriangle(ctx, x, y, triangleWidth) {
ctx.beginPath();
ctx.moveTo(x - triangleWidth / 2, y);
ctx.lineTo(x, y - triangleWidth);
ctx.lineTo(x + triangleWidth / 2, y);
ctx.fill();
}
}