CIFilter.filterWithName("CIQRCodeGenerator")

actual fun genQrCode(value: String): ByteArray {
    val filter = CIFilter.QRCodeGenerator().apply {
        setValue(value, forKey = "inputMessage")
    }
    val outputImg = filter.outputImage ?: return byteArrayOf()
    val nsData = CIContext().JPEGRepresentationOfImage(
        outputImg,
        CGColorSpaceCreateDeviceRGB(),
        mapOf<Any?, String>()
    ) ?: return byteArrayOf()
    return ByteArray(nsData.length.toInt()).apply {
        usePinned {
            memcpy(it.addressOf(0), nsData.bytes, nsData.length)
        }
    }
}