compressImageV2 static method

Implementation

static Future<XFile> compressImageV2(
  XFile sourceFile,
  int quality, {
  Function(Size)? imageSizeCallBack,
  // bool fromGallery = false,
  int rotate = 0,
}) async {
  XFile? compressedXFile;
  try {
    // var sourceSize = await _calculateImageSize(sourceFile);
    var decodeImage = await decodeImageFromList(
      await sourceFile.readAsBytes(),
    );
    int imageWidth = decodeImage.width;
    int imageHeight = decodeImage.height;
    final Directory extDir = await getTemporaryDirectory();
    final appImageDir = await Directory(
      '${extDir.path}/app_images',
    ).create(recursive: true);
    final String targetPath =
        '${appImageDir.path}/${DateTime.now().millisecondsSinceEpoch}.jpg';
    compressedXFile = await FlutterImageCompress.compressAndGetFile(
      sourceFile.path,
      targetPath,
      quality: quality,
      minHeight: imageHeight > imageWidth ? 1600 : 1080,
      minWidth: imageHeight > imageWidth ? 1080 : 1600,
      // rotate: !fromGallery ? -90 : 0,
      rotate: rotate,
      keepExif: true,
    );
    // Nếu vẫn lớn hơn 2MB thì giảm chất lượng ảnh
    File? compressedFile;
    if (compressedXFile != null) {
      compressedFile = File(compressedXFile.path);
    }
    if (compressedFile == null) {
      return XFile(sourceFile.path);
    } else {
      if (compressedFile.readAsBytesSync().lengthInBytes > 2000000) {
        return await compressImageV2(XFile(compressedFile.path), 90);
      }
    }
    // var compressedSize = await _calculateImageSize(compressedFile);
    final compressedImg = await decodeImageFromList(
      compressedFile.readAsBytesSync(),
    );
    logger.i(
      'Resize successfully: ${(await sourceFile.length()) / 1000000}MB to ${compressedFile.readAsBytesSync().lengthInBytes / 1000000}MB',
    );
    logger.i(
      'Resize successfully:${imageWidth}x$imageHeight => ${compressedImg.width}x${compressedImg.height}',
    );
    imageSizeCallBack?.call(
      Size(compressedImg.width.toDouble(), compressedImg.height.toDouble()),
    );
    return XFile(compressedFile.path);
  } catch (e) {
    return sourceFile;
  }
}