Merge pull request #10050 from floe/android-studio-3.3.1

Add Android Mat constructor with support for native buffer (#10050)

modules/core/misc/java/src/java/core+Mat.java

@@ -1,5 +1,7 @@
 package org.opencv.core;
 
+import java.nio.ByteBuffer;
+
 // C++: class Mat
 //javadoc: Mat
 public class Mat {
@@ -39,6 +41,19 @@ public class Mat {
         return;
     }
 
+    //
+    // C++: Mat::Mat(int rows, int cols, int type, void* data)
+    //
+
+    // javadoc: Mat::Mat(rows, cols, type, data)
+    public Mat(int rows, int cols, int type, ByteBuffer data)
+    {
+
+        nativeObj = n_Mat(rows, cols, type, data);
+
+        return;
+    }
+
     //
     // C++: Mat::Mat(Size size, int type)
     //
@@ -1101,6 +1116,9 @@ public class Mat {
     // C++: Mat::Mat(int rows, int cols, int type)
     private static native long n_Mat(int rows, int cols, int type);
 
+    // C++: Mat::Mat(int rows, int cols, int type, void* data)
+    private static native long n_Mat(int rows, int cols, int type, ByteBuffer data);
+
     // C++: Mat::Mat(Size size, int type)
     private static native long n_Mat(double size_width, double size_height, int type);