Function getNativeMat

jni/platform/jni_bridge.cpp:16–24

}

cv::Mat* getNativeMat(JNIEnv *env, jobject _mat)
{
	jclass class_Mat = env->FindClass("org/opencv/core/Mat");
	jmethodID method_getNativeObjAddr = env->GetMethodID(class_Mat, "getNativeObjAddr", "()J");
	assert(class_Mat != nullptr && method_getNativeObjAddr != nullptr);
	jlong pointer = env->CallLongMethod(_mat, method_getNativeObjAddr);

	return reinterpret_cast<cv::Mat*>(pointer);
}

// This is the Point that reside in android.graphic.Point, not org.opencv.core.Point
cv::Point2f getNativePoint(JNIEnv *env, jobject _point)