Function getJavaMat

jni/platform/jni_bridge.cpp:96–109

// **************** C++ to Java **************** //

jobject getJavaMat(JNIEnv *env, const cv::Mat& mat)
{
	jclass class_Mat = env->FindClass("org/opencv/core/Mat");
	jmethodID method_Mat = env->GetMethodID(class_Mat, "<init>", "()V");
	assert(class_Mat != nullptr && method_Mat != nullptr);

	jobject Mat_result = env->NewObject(class_Mat, method_Mat);
	jmethodID method_getNativeObjAddr = env->GetMethodID(class_Mat, "getNativeObjAddr", "()J");
	cv::Mat* ptr_result = reinterpret_cast<cv::Mat*>(env->CallLongMethod(Mat_result, method_getNativeObjAddr));
	assert(method_getNativeObjAddr != nullptr && ptr_result != nullptr);

	*ptr_result = mat;
	return Mat_result;
}

jobject getJavaPoint(JNIEnv *env, const cv::Point2f& point)
{