From 60d59aa9d2d684ef8e44ce76c0cf342a071c8c43 Mon Sep 17 00:00:00 2001
From: Andrey Pavlenko <no@email>
Date: Mon, 18 Jul 2011 14:23:45 +0000
Subject: [PATCH] Java API: added missing converter vector<Mat> <-> Mat

---
 modules/java/src/cpp/utils.cpp | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/modules/java/src/cpp/utils.cpp b/modules/java/src/cpp/utils.cpp
index 62ebdf9dc..a4af44752 100644
--- a/modules/java/src/cpp/utils.cpp
+++ b/modules/java/src/cpp/utils.cpp
@@ -150,12 +150,28 @@ void vector_KeyPoint_to_Mat(vector<KeyPoint>& v_kp, Mat& mat)
 //vector_Mat
 void Mat_to_vector_Mat(cv::Mat& mat, std::vector<cv::Mat>& v_mat)
 {
-    return;
+	v_mat.clear();
+	if(mat.type() == CV_32SC2 && mat.rows == 1)
+	{
+		for(int i=0; i<mat.cols; i++)
+		{
+			Vec<int, 2> a = mat.at< Vec<int, 2> >(0, i);
+			long long addr = (((long long)a[0])<<32) | a[1];
+			Mat& m = *( (Mat*) addr );
+			v_mat.push_back(m);
+		}
+	}
 }
 
 
 void vector_Mat_to_Mat(std::vector<cv::Mat>& v_mat, cv::Mat& mat)
 {
+	int count = v_mat.size();
+	mat.create(1, count, CV_32SC2);
+	for(int i=0; i<count; i++)
+	{
+		long long addr = (long long) &v_mat[i];
+		mat.at< Vec<int, 2> >(0, i) = Vec<int, 2>(addr>>32, addr&0xffffffff);
+	}
     return;
 }
-