'Zxing custom Decoder that rotetes image

I was trying to make a vertical barcode scanner in portrait mode with the usage of DecoratedBarcodeView. After reading this issue zxing-android-embedded/issues/243 I tried to create a custom Decoder but I don't really know how to rotate an image before decoding.

class RotatedDecoder(reader: Reader) : Decoder(reader) {
    override fun toBitmap(source: LuminanceSource?): BinaryBitmap {
        return super.toBitmap(source).rotateCounterClockwise()
    }
}

Doing this throws an error This luminance source does not support rotation by 90 degrees.

javaandroidkotlinzxingbarcode-scanner


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