FunctionPlotConfig.fromJson constructor

FunctionPlotConfig.fromJson(Map<String, dynamic> j)

Implementation

factory FunctionPlotConfig.fromJson(Map<String, dynamic> j) {
  final fns = (JsonValue.mapList(j['functions']) ?? const [])
      .map(FunctionSeries.fromJson)
      .toList();
  return FunctionPlotConfig(
    functions: fns,
    xMin: JsonValue.doubleOrNull(j['xMin']) ?? -10,
    xMax: JsonValue.doubleOrNull(j['xMax']) ?? 10,
    yMin: JsonValue.doubleOrNull(j['yMin']) ?? -10,
    yMax: JsonValue.doubleOrNull(j['yMax']) ?? 10,
    resolution: math.max(1, JsonValue.intOrNull(j['resolution']) ?? 400),
    title: j['title'] != null ? TitlesData.fromJson(j['title']) : null,
    tooltip: j['tooltip'] != null
        ? ChartTooltip.fromJson(j['tooltip'])
        : null,
    legend: j['legend'] != null ? ChartLegend.fromJson(j['legend']) : null,
    toolbox: j['toolbox'] != null
        ? ChartToolbox.fromJson(j['toolbox'])
        : null,
    grid: j['grid'] != null ? GridData.fromJson(j['grid']) : null,
  );
}