@netdata/charts/dist/chartLibraries/dygraph/plotters/multiColumnBar.js

Netdata frontend SDK and chart utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _helpers = require("./helpers");
var _default = exports["default"] = function _default() {
  return function (plotter) {
    if (plotter.seriesIndex !== 0) return;
    var g = plotter.dygraph;
    var ctx = plotter.drawingContext;
    var sets = plotter.allSeriesPoints;
    var y_bottom = g.toDomYCoord(0);
    var min_sep = Infinity;
    sets.forEach(function (points) {
      var sep = points[1].canvasx - points[0].canvasx;
      if (sep < min_sep) min_sep = sep;
    });
    var bar_width = Math.floor(2.0 / 3 * min_sep);
    var fillColors = g.getColors();
    var strokeColors = g.getColors().map(function (color) {
      return (0, _helpers.darkenColor)(color);
    });
    sets.forEach(function (points, j) {
      ctx.fillStyle = fillColors[j];
      ctx.strokeStyle = strokeColors[j];
      points.forEach(function (p) {
        var center_x = p.canvasx;
        var x_left = center_x - bar_width / 2 * (1 - j / (sets.length > 1 ? sets.length - 1 : 1));
        ctx.fillRect(x_left, p.canvasy, bar_width / sets.length, y_bottom - p.canvasy);
        ctx.strokeRect(x_left, p.canvasy, bar_width / sets.length, y_bottom - p.canvasy);
      });
    });
  };
};