Updated samples using new cmd parser

samples/cpp/camshiftdemo.cpp

@@ -8,24 +8,6 @@
 using namespace cv;
 using namespace std;
 
-void help()
-{
-	cout << "\nThis is a demo that shows mean-shift based tracking\n"
-		 <<   "You select a color objects such as your face and it tracks it.\n"
-		 <<   "This reads from video camera (0 by default, or the camera number the user enters\n"
-		 << "Call:\n"
-		 << "\n./camshiftdemo [camera number]"
-		 << "\n" << endl;
-
-	cout << "\n\nHot keys: \n"
-        "\tESC - quit the program\n"
-        "\tc - stop the tracking\n"
-        "\tb - switch to/from backprojection view\n"
-        "\th - show/hide object histogram\n"
-        "\tp - pause video\n"
-        "To initialize tracking, select the object with mouse\n" << endl;
-}
-
 Mat image;
 
 bool backprojMode = false;
@@ -63,31 +45,52 @@ void onMouse( int event, int x, int y, int, void* )
     }
 }
 
+void help()
+{
+	printf("\nThis is a demo that shows mean-shift based tracking\n"
+			"You select a color objects such as your face and it tracks it.\n"
+			"This reads from video camera (0 by default, or the camera number the user enters\n"
+			"Usage: \n"
+			"	./camshiftdemo [camera number]\n");
 
+	printf("\n\nHot keys: \n"
+			"\tESC - quit the program\n"
+			"\tc - stop the tracking\n"
+			"\tb - switch to/from backprojection view\n"
+			"\th - show/hide object histogram\n"
+			"\tp - pause video\n"
+			"To initialize tracking, select the object with mouse\n");
+}
+
+const char* keys = 
+{
+	"{1|  | 0 | camera number}"
+};
 
-int main( int argc, char** argv )
+int main( int argc, const char** argv )
 {
+	help();
+
     VideoCapture cap;
     Rect trackWindow;
     RotatedRect trackBox;
     int hsize = 16;
     float hranges[] = {0,180};
     const float* phranges = hranges;
+	CommandLineParser parser(argc, argv, keys);
+	int camNum = parser.get<int>("1");     
 	
-    if( argc == 1 || (argc == 2 && strlen(argv[1]) == 1 && isdigit(argv[1][0])))
-        cap.open(argc == 2 ? argv[1][0] - '0' : 0);
-    else if( argc == 2 )
-        cap.open(argv[1]);
+	cap.open(camNum);
 
     if( !cap.isOpened() )
     {
     	help();
-        cout << "***Could not initialize capturing...***\n";
-        return 0;
+        printf("***Could not initialize capturing...***\n");
+		printf("Current parameter's value: \n");
+		parser.printParams();
+        return -1;
     }
 
-    help();
-
     namedWindow( "Histogram", 0 );
     namedWindow( "CamShift Demo", 0 );
     setMouseCallback( "CamShift Demo", onMouse, 0 );

samples/cpp/chamfer.cpp

@@ -2,36 +2,45 @@
 #include "opencv2/highgui/highgui.hpp"
 #include "opencv2/contrib/contrib.hpp"
 
-#include <iostream>
-
 using namespace cv;
 using namespace std;
 
 void help()
 {
-    cout <<
-        "\nThis program demonstrates Chamfer matching -- computing a distance between an \n"
+ 
+   printf("\nThis program demonstrates Chamfer matching -- computing a distance between an \n"
         "edge template and a query edge image.\n"
         "Usage: \n"
         "./chamfer <image edge map> <template edge map>,"
-        " By default the inputs are logo_in_clutter.png logo.png\n" << endl;
+        " By default the inputs are logo_in_clutter.png logo.png\n");
 
-    return;
-}
 
+}
 
-int main( int argc, char** argv )
+const char* keys = 
 {
-    if( argc != 3 )
+	"{1| |logo_in_clutter.png|image edge map    }"
+	"{2| |logo.png               |template edge map}"
+};
+
+int main( int argc, const char** argv )
 {
+
 	help();
-        return 0;
-    }
+	CommandLineParser parser(argc, argv, keys);
+
+	string image = parser.get<string>("1");
+	string templ = parser.get<string>("2");
+	Mat img = imread(image.c_str(), 0);
+	Mat tpl = imread(templ.c_str(), 0);
 
-    Mat img = imread(argc == 3 ? argv[1] : "logo_in_clutter.png", 0);
+	if (img.empty() || tpl.empty())
+		{
+			printf("Could not read image file %s or %s \n", image.c_str(), templ.c_str());
+			return -1;
+		}
     Mat cimg;
     cvtColor(img, cimg, CV_GRAY2BGR);
-    Mat tpl = imread(argc == 3 ? argv[2] : "logo.png", 0);
 
     // if the image and the template are not edge maps but normal grayscale images,
     // you might want to uncomment the lines below to produce the maps. You can also
@@ -45,8 +54,8 @@ int main( int argc, char** argv )
     int best = chamerMatching( img, tpl, results, costs );
     if( best < 0 )
     {
-        cout << "matching not found\n";
-        return 0;
+        printf("matching not found\n");
+        return -1;
     }
 
     size_t i, n = results[best].size();