mangayomi-mirror/lib/utils/extensions/others.dart

import 'dart:async';
import 'dart:io';
import 'dart:typed_data';
import 'dart:ui';
import 'package:extended_image/extended_image.dart';
import 'package:flutter/material.dart';
import 'package:mangayomi/modules/manga/reader/reader_view.dart';
import 'package:mangayomi/utils/reg_exp_matcher.dart';

extension LetExtension<T> on T {
  R let<R>(R Function(T) block) {
    return block(this);
  }
}

extension ImageProviderExtension on ImageProvider {
  Future<Uint8List?> getBytes(BuildContext context,
      {ImageByteFormat format = ImageByteFormat.png}) async {
    final imageStream = resolve(createLocalImageConfiguration(context));
    final Completer<Uint8List?> completer = Completer<Uint8List?>();
    final ImageStreamListener listener = ImageStreamListener(
      (imageInfo, synchronousCall) async {
        final bytes = await imageInfo.image.toByteData(format: format);
        if (!completer.isCompleted) {
          completer.complete(bytes?.buffer.asUint8List());
        }
      },
    );
    imageStream.addListener(listener);
    final imageBytes = await completer.future;
    imageStream.removeListener(listener);
    return imageBytes;
  }
}

extension UChapDataPreloadExtensions on UChapDataPreload {
  Future<Uint8List?> get getImageBytes async {
    Uint8List? imageBytes;
    if (archiveImage != null) {
      imageBytes = archiveImage;
    } else if (isLocale!) {
      imageBytes =
          File('${path!.path}${padIndex(index! + 1)}.jpg').readAsBytesSync();
    } else {
      File? cachedImage;
      if (url != null) {
        cachedImage = await getCachedImageFile(url!);
      }
      imageBytes = cachedImage?.readAsBytesSync();
    }
    return imageBytes;
  }
}