text: /* DO NOT EDIT THIS FILE - it is machine generated */
  #include <jni.h>
  #include <stdio.h>
  #include <opencv2/opencv.hpp>
  
  using namespace cv;
  using namespace std;
  /* Header for class com_watvision_mainapp_OpenCVNative */
  
  #ifndef _Included_com_watvision_mainapp_OpenCVNative
  #define _Included_com_watvision_mainapp_OpenCVNative
  #ifdef __cplusplus
  extern "C" {
  #endif
  /*
   * Class:     com_watvision_mainapp_OpenCVNative
   * Method:    convertGray
   * Signature: (JJ)I
   */
  
   int toGray(Mat img, Mat& gray);
  
  JNIEXPORT jint JNICALL Java_com_watvision_mainapp_OpenCVNative_convertGray
    (JNIEnv *, jclass, jlong, jlong);
  
  #ifdef __cplusplus
  }
  #endif
  #endif
  