Added functions required for Java API wrappers generating converting Mat-s to/from vectors.

modules/java/src/cpp/utils.cpp

@@ -1,4 +1,8 @@
 #include "utils.h"
+#include <android/log.h>
+#define MODULE_LOG_TAG "OpenCV.utils.cpp"
+#define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, MODULE_LOG_TAG, __VA_ARGS__))
+
 
 using namespace cv;
 
@@ -6,12 +10,21 @@ using namespace cv;
 
 void Mat_to_vector_int(Mat& mat, vector<int>& v_int)
 {
-    return;
+	v_int.clear();
+
+	if(mat.type()!= CV_32SC1 || mat.rows!=1)
+		return;
+
+	for(int i=0; i<mat.cols; i++)
+		v_int.push_back( mat.at< int >(0, i) );
+
 }
 
 void vector_int_to_Mat(vector<int>& v_int, Mat& mat)
 {
-    return;
+	mat.create(1, v_int.size(), CV_32SC1);
+	for(size_t i=0; i<v_int.size(); i++)
+		mat.at< int >(0, i) = v_int[i];
 }
 
 
@@ -19,12 +32,21 @@ void vector_int_to_Mat(vector<int>& v_int, Mat& mat)
 
 void Mat_to_vector_double(Mat& mat, vector<double>& v_double)
 {
-    return;
+	v_double.clear();
+
+	if(mat.type()!= CV_64FC1 || mat.rows!=1)
+		return;
+
+	for(int i=0; i<mat.cols; i++)
+		v_double.push_back( mat.at< double >(0, i) );
+
 }
 
 void vector_double_to_Mat(vector<double>& v_double, Mat& mat)
 {
-    return;
+	mat.create(1, v_double.size(), CV_64FC1);
+	for(size_t i=0; i<v_double.size(); i++)
+		mat.at< double >(0, i) = v_double[i];
 }
 
 
@@ -32,12 +54,21 @@ void vector_double_to_Mat(vector<double>& v_double, Mat& mat)
 
 void Mat_to_vector_float(Mat& mat, vector<float>& v_float)
 {
-    return;
+	v_float.clear();
+
+	if(mat.type()!= CV_32FC1 || mat.rows!=1)
+		return;
+
+	for(int i=0; i<mat.cols; i++)
+		v_float.push_back( mat.at< float >(0, i) );
+
 }
 
 void vector_float_to_Mat(vector<float>& v_float, Mat& mat)
 {
-    return;
+	mat.create(1, v_float.size(), CV_32FC1);
+	for(size_t i=0; i<v_float.size(); i++)
+		mat.at< float >(0, i) = v_float[i];
 }
 
 
@@ -45,7 +76,14 @@ void vector_float_to_Mat(vector<float>& v_float, Mat& mat)
 
 void Mat_to_vector_uchar(cv::Mat& mat, std::vector<uchar>& v_uchar)
 {
-    return;
+	v_uchar.clear();
+
+	if(mat.type()!= CV_8UC1 || mat.rows!=1)
+		return;
+
+	for(int i=0; i<mat.cols; i++)
+		v_uchar.push_back( mat.at< uchar >(0, i) );
+
 }
 
 
@@ -53,12 +91,29 @@ void Mat_to_vector_uchar(cv::Mat& mat, std::vector<uchar>& v_uchar)
 
 void Mat_to_vector_Rect(Mat& mat, vector<Rect>& v_rect)
 {
-    return;
+	LOGD("Mat_to_vector_Rect start, mat.cols=%d", mat.cols);
+	v_rect.clear();
+
+	if(mat.type()!= CV_32SC4 || mat.rows!=1) {
+		LOGD("ERROR mat.type()!= CV_32SC4 || mat.rows!=1");
+		return;
+	}
+
+	for(int i=0; i<mat.cols; i++) {
+		Vec<int, 4> v=mat.at< Vec<int, 4> >(0, i);
+		v_rect.push_back( Rect(v[0], v[1], v[2], v[3]) );
+	}
+	LOGD("Mat_to_vector_Rect end, vec.size=%d", (int)v_rect.size());
 }
 
 void vector_Rect_to_Mat(vector<Rect>& v_rect, Mat& mat)
 {
-    return;
+	LOGD("vector_Rect_to_Mat start, vec.size=%d", (int)v_rect.size());
+	mat.create(1, v_rect.size(), CV_32SC4);
+	for(size_t i=0; i<v_rect.size(); i++) {
+		mat.at< Vec<int, 4> >(0, i) = Vec<int, 4>(v_rect[i].x, v_rect[i].y, v_rect[i].width, v_rect[i].height);
+	}
+	LOGD("vector_Rect_to_Mat end, mat.cols=%d", mat.cols);
 }
 
 
@@ -66,23 +121,20 @@ void vector_Rect_to_Mat(vector<Rect>& v_rect, Mat& mat)
 void Mat_to_vector_Point(Mat& mat, vector<Point>& v_point)
 {
 	v_point.clear();
-	
+
 	if(mat.type()!= CV_32SC2 || mat.rows!=1)
 		return;
 
 	for(int i=0; i<mat.cols; i++)
 		v_point.push_back( Point( mat.at< Vec<int, 2> >(0, i) ) );
-
-    return;
 }
 
 
 void vector_Point_to_Mat(vector<Point>& v_point, Mat& mat)
 {
 	mat.create(1, v_point.size(), CV_32SC2);
-	for(int i=0; i<v_point.size(); i++)
+	for(size_t i=0; i<v_point.size(); i++)
 		mat.at< Vec<int, 2> >(0, i) = Vec<int, 2>(v_point[i].x, v_point[i].y);
-    return;
 }