myopencv.cpp

extern "C"
JNIEXPORT jobject JNICALL
Java_com_jason9075_myopencv_NativeLib_getInfo(JNIEnv *env, jobject thiz, jobject bitmap) {
    Mat src;
    bitmapToMat(env, bitmap, src, false);
    int width = src.cols;
    int height = src.rows;

    // return java object
    const char *clsPath = "com/jason9075/myopencv/ImageInfo";
    jclass cls = env->FindClass(clsPath);
    jmethodID constructor = env->GetMethodID(cls, "<init>", "(II)V");
    return env->NewObject(cls, constructor, width, height);
}