63 lines
1.4 KiB
Dart
63 lines
1.4 KiB
Dart
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/// 图片质量
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import 'package:flutter/material.dart';
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import '../Method.dart';
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late String currentQualityCode;
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Future<void> initQuality() async {
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currentQualityCode = await method.loadQuality();
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}
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const ImageQualityOriginal = "original";
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const ImageQualityLow = "low";
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const ImageQualityMedium = "medium";
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const ImageQualityHigh = "high";
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const LabelOriginal = "原图";
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const LabelLow = "低";
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const LabelMedium = "中";
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const LabelHigh = "高";
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var _qualities = {
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LabelOriginal: ImageQualityOriginal,
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LabelLow: ImageQualityLow,
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LabelMedium: ImageQualityMedium,
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LabelHigh: ImageQualityHigh,
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};
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Future<void> chooseQuality(BuildContext context) async {
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String? code = await showDialog<String>(
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context: context,
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builder: (BuildContext context) {
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return SimpleDialog(
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title: Text("请选择图片质量"),
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children: <Widget>[
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..._qualities.entries.map(
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(e) => SimpleDialogOption(
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child: Text(e.key),
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onPressed: () {
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Navigator.of(context).pop(e.value);
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},
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),
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),
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],
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);
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},
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);
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if (code != null) {
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method.saveQuality(code);
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currentQualityCode = code;
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}
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}
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String currentQualityName() {
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for (var e in _qualities.entries) {
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if (e.value == currentQualityCode) {
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return e.key;
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}
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}
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return '';
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}
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