45 lines
1.2 KiB
Dart
45 lines
1.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:sxchnge_kyc/sxchnge_kyc.dart';
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import '../generated/i18n/app_localizations.dart';
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/// Evict this sensitive preview's decoded cache entry on replacement or exit.
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class PhotoPreview extends StatefulWidget {
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const PhotoPreview({super.key, required this.photo, required this.label});
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final Photo photo;
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final String label;
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@override
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State<PhotoPreview> createState() => _PhotoPreviewState();
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}
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class _PhotoPreviewState extends State<PhotoPreview> {
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late ImageProvider _image = _provider();
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ImageProvider _provider() =>
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ResizeImage.resizeIfNeeded(1000, null, MemoryImage(widget.photo.bytes));
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@override
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void didUpdateWidget(covariant PhotoPreview oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (!identical(oldWidget.photo, widget.photo)) {
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_image.evict();
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_image = _provider();
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}
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}
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@override
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void dispose() {
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_image.evict();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) => Image(
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image: _image,
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height: 220,
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fit: BoxFit.contain,
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semanticLabel: widget.label,
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errorBuilder: (_, _, _) =>
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Text(AppLocalizations.of(context)!.kycErrorUnreadable),
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);
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}
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