checkRotation method

Future<int?> checkRotation(File beforeFile)

Implementation

Future<int?>checkRotation(File beforeFile) async {

  if (Platform.isAndroid){
    var platform = MethodChannel('com.csi.sellon/checkRotation');
    try {
      // print("di panggil lagi");
      final args = <String, dynamic>{
        'path': beforeFile.path,

      };
      var result = await platform.invokeMethod('checkRotation',args);
      if (result == "" || result == null) {
        result = 0;
      }
      return result;
      // print("result Apple delete ${resultname}");

      // batteryLevel = 'Battery level at $result % .';
    } on PlatformException catch (e) {
      // batteryLevel = "Failed applename '${e.message}'.";
      return 0;
    }
  }else{
    RotationImage rotat = RotationImage.noChange;
    int rotate = 0;
    List<int> imageBytes = await beforeFile.readAsBytes();
    Map<String, IfdTag> exifData = await readExifFromBytes(imageBytes);

    await decodeImageFromList(beforeFile.readAsBytesSync()).then((decodedImage) async {
      bool isHorizontalImage = decodedImage.width > decodedImage.height;
      double standart = (decodedImage.width - decodedImage.height).toDouble();
      double separuhwidth = decodedImage.width / 2 + 100;
      if (isHorizontalImage  && separuhwidth  < standart){
        if (exifData.length == 0){
          rotate = 1;
        }else{
          rotate = 0;
        }
      }
      return rotate;
    });

    return rotate;
  }


}