new interface added. decolor and cloning module added.

Both modules added

samples/cpp/create_mask.cpp

@@ -0,0 +1,145 @@
+ /*
+* create_mask.cpp
+*
+* Author:
+* Siddharth Kherada <siddharthkherada27[at]gmail[dot]com>
+*
+* This tutorial demonstrates how to make mask image (black and white).
+* The program takes as input a source image and ouputs its corresponding
+* mask image.
+*/
+
+
+
+#include "opencv2/imgproc.hpp"
+#include "opencv2/highgui.hpp"
+#include "opencv2/core.hpp"
+#include <iostream>
+#include <stdlib.h>
+
+using namespace std;
+using namespace cv;
+
+Mat img0, img1, res1, final;
+
+Point point;
+int drag = 0;
+
+int numpts = 100;
+Point* pts = new Point[100];
+
+int var = 0;
+int flag = 0;
+int flag1 = 0;
+
+int minx,miny,maxx,maxy,lenx,leny;
+
+int channel;
+
+void mouseHandler(int event, int x, int y, int, void*)
+{
+
+	if (event == EVENT_LBUTTONDOWN && !drag)
+	{
+		if(flag1 == 0)
+		{
+			if(var==0)
+				img1 = img0.clone();
+			point = Point(x, y);
+			circle(img1,point,2,Scalar(0, 0, 255),-1, 8, 0);
+			pts[var] = point;
+			var++;
+			drag  = 1;
+			if(var>1)
+				line(img1,pts[var-2], point, Scalar(0, 0, 255), 2, 8, 0);
+
+			imshow("Source", img1);
+		}
+	}
+
+
+	if (event == EVENT_LBUTTONUP && drag)
+	{
+		imshow("Source", img1);
+
+		drag = 0;
+	}
+	if (event == EVENT_RBUTTONDOWN)
+	{
+		flag1 = 1;
+		img1 = img0.clone();
+		for(int i = var; i < numpts ; i++)
+			pts[i] = point;
+
+		if(var!=0)
+		{
+			const Point* pts3[1] = {&pts[0]};
+			polylines( img1, pts3, &numpts,1, 1, Scalar(0,0,0), 2, 8, 0);
+		}
+
+		for(int i=0;i<var;i++)
+		{
+			minx = min(minx,pts[i].x);
+			maxx = max(maxx,pts[i].x);
+			miny = min(miny,pts[i].y);
+			maxy = max(maxy,pts[i].y);
+		}
+		lenx = maxx - minx;
+		leny = maxy - miny;
+
+		imshow("Source", img1);
+	}
+
+	if (event == EVENT_RBUTTONUP)
+	{
+		flag = var;
+
+		final = Mat::zeros(img0.size(),CV_8UC3);
+		res1 = Mat::zeros(img0.size(),CV_8UC1);
+		const Point* pts4[1] = {&pts[0]};
+
+		fillPoly(res1, pts4,&numpts, 1, Scalar(255, 255, 255), 8, 0);
+		bitwise_and(img0, img0, final,res1);
+        imshow("mask",res1);
+        imwrite("mask.png",res1);
+
+		imshow("Source", img1);
+
+	}
+	if (event == EVENT_MBUTTONDOWN)
+	{
+		for(int i = 0; i < numpts ; i++)
+		{
+			pts[i].x=0;
+			pts[i].y=0;
+		}
+		var = 0;
+		flag1 = 0;
+		minx = INT_MAX; miny = INT_MAX; maxx = INT_MIN; maxy = INT_MIN;
+		imshow("Source", img0);
+		drag = 0;
+	}
+}
+
+int main(int argc, char **argv)
+{
+    Mat src = imread(argv[1]);
+
+	minx = INT_MAX; miny = INT_MAX; maxx = INT_MIN; maxy = INT_MIN;
+
+	img0 = src;
+
+	channel = img0.channels();
+
+	res1 = Mat::zeros(img0.size(),CV_8UC1);
+	final = Mat::zeros(img0.size(),CV_8UC3);
+	//////////// source image ///////////////////
+
+	namedWindow("Source", 1);
+	setMouseCallback("Source", mouseHandler, NULL);
+	imshow("Source", img0);
+    waitKey(0);
+
+	img0.release();
+	img1.release();
+}