37 lines
751 B
Dart
37 lines
751 B
Dart
import 'package:flutter/material.dart';
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import 'package:zbar_scan_plugin/zbar_scan_plugin.dart';
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import 'package:collection/collection.dart';
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import 'dart:math';
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class CenterAndSize {
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final Offset center;
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final double size;
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CenterAndSize({
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required this.center,
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required this.size,
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});
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}
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CenterAndSize getCenterAndSizeOfPoints(List<PointInfo> points) {
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if (points.isEmpty) {
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return CenterAndSize(
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center: Offset.zero,
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size: 0,
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);
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}
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var center = Offset(
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points.map((p) => p.x).average,
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points.map((p) => p.y).average,
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);
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var size = sqrt(
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pow(points.first.x - center.dx, 2) + pow(points.first.y - center.dy, 2),
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);
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return CenterAndSize(
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center: center,
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size: size * 1.2,
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);
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}
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