Added two new sample files for copyMakeBorder and filter2D

samples/cpp/tutorial_code/ImgTrans/copyMakeBorder_demo.cpp

@@ -0,0 +1,75 @@
+/**
+ * @file copyMakeBorder_demo.cpp
+ * @brief Sample code that shows the functionality of copyMakeBorder
+ * @author OpenCV team
+ */
+
+#include "opencv2/imgproc/imgproc.hpp"
+#include "opencv2/highgui/highgui.hpp"
+#include <stdlib.h>
+#include <stdio.h>
+
+using namespace cv;
+
+/// Global Variables 
+Mat src, dst;
+int top, bottom, left, right;
+int borderType;
+Scalar value;
+char* window_name = "copyMakeBorder Demo";
+RNG rng(12345);
+
+/**
+ * @function main
+ */
+int main( int argc, char** argv )
+{
+
+  int c;
+
+  /// Load an image
+  src = imread( argv[1] );
+  
+  if( !src.data )
+    { return -1;
+      printf(" No data entered, please enter the path to an image file \n"); 
+    }
+
+  /// Brief how-to for this program
+  printf( "\n \t copyMakeBorder Demo: \n" );
+  printf( "\t -------------------- \n" );
+  printf( " ** Press 'c' to set the border to a random constant value \n");
+  printf( " ** Press 'r' to set the border to be replicated \n");
+  printf( " ** Press 'ESC' to exit the program \n");
+
+  /// Create window
+  namedWindow( window_name, CV_WINDOW_AUTOSIZE );
+
+  /// Initialize arguments for the filter
+  top = (int) (0.05*src.rows); bottom = (int) (0.05*src.rows); 
+  left = (int) (0.05*src.cols); right = (int) (0.05*src.cols);
+  dst = src;
+
+  imshow( window_name, dst );
+  
+  while( true )
+       {
+         c = waitKey(500);
+
+         if( (char)c == 27 )
+           { break; }
+         else if( (char)c == 'c' )
+           { borderType = BORDER_CONSTANT; }
+         else if( (char)c == 'r' )
+           { borderType = BORDER_REPLICATE; }
+
+         value = Scalar( rng.uniform(0, 255), rng.uniform(0, 255), rng.uniform(0, 255) );
+         copyMakeBorder( src, dst, top, bottom, left, right, borderType, value );
+
+         imshow( window_name, dst );
+       }
+
+  return 0;
+}
+
+