b3

import 'package:d_chart/d_chart.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

List<TimeData> series1 = [
  TimeData(domain: DateTime(2024, 10, 20), measure: 3),
  TimeData(domain: DateTime(2024, 10, 21), measure: 2),
  TimeData(domain: DateTime(2024, 10, 22), measure: 4),
  TimeData(domain: DateTime(2024, 10, 23), measure: 6),
  TimeData(domain: DateTime(2024, 10, 24), measure: 3.8),
  TimeData(domain: DateTime(2024, 10, 25), measure: 1.8),
  TimeData(domain: DateTime(2024, 10, 26), measure: 1.2),
];

AspectRatio(
  aspectRatio: 16 / 9,
  child: DChartBarT(
    fillColor: (group, timeData, index) {
      return DateFormat.E().format(timeData.domain).substring(0, 1) == 'W'
          ? Colors.deepPurple
          : null;
    },
    configRenderBar: ConfigRenderBar(
      barGroupInnerPaddingPx: 0,
      radius: 6,
    ),
    domainAxis: DomainAxis(
      showLine: false,
      tickLength: 0,
      gapAxisToLabel: 12,
      labelStyle: LabelStyle(
        color: Colors.grey.shade400,
        fontWeight: FontWeight.bold,
        fontSize: 14,
      ),
      tickLabelFormatterT: (domain) {
        return DateFormat.E().format(domain).substring(0, 1);
      },
    ),
    measureAxis: const MeasureAxis(
      noRenderSpec: true,
    ),
    groupList: [
      TimeGroup(
        id: '1',
        data: series1,
        color: Colors.deepPurple.shade50,
      ),
    ],
  ),
),