Provides a Flutter widget that can render a gauge with multiple datasets.

1. Multiple datasets in a single gauge
2. Separates style from data

Run the following command:

$ flutter pub add multigauge

This will update your pubspec.yaml as follows:

dependencies:
  multigauge: ^1.0.0

import 'package:multigauge/multigauge.dart';

// define the model, which represents the data
final model = MultiGaugeModel(lowerBound: 0.0, upperBound: upperBound, datasets: [
    GaugeDataset(name: 'First', lower: 23, upper: 63),
    GaugeDataset(name: 'Second', lower: 15, upper: 53)
]);

// define a style, which defines how to render the data
final style = MultiGaugeStyle(
    backgoundColor: Theme.of(context).highlightColor,
    animationDuration: const Duration(seconds: 1),
    thickness: 9.0,
    datasetStyles: [
        GaugeDatasetStyle(
            color: Colors.orange.shade500,
            builder: (context, dataset) => Text('${dataset.lower?.round()}-${dataset.upper?.round()}')),
        GaugeDatasetStyle(color: Colors.blue.shade500)
    ]
);

// use it in your page
Padding(
    padding: const EdgeInsets.all(8),
    child: SizedBox.square(
        dimension: 90,
        child: MultiGauge(
            model: model,
            style: style,
        )
    )
)

See the example for more detailed usage.

Copyright 2024 David Green

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

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