first init

Author: ayoungprogrammer

.DS_Store

@@ -0,0 +1,20 @@
+CC=g++
+ARCH=-arch x86_64
+
+
+INCLUDE_FLAGS=-I/usr/local/include
+CFLAGS=-c -Wall $(INCLUDE_FLAGS)
+LDFLAGS= -L/usr/local/lib -lopencv_core -lopencv_highgui -lopencv_imgproc -lzbar
+
+SOURCES = main.cpp
+OBJECTS=$(SOURCES:.cpp=.o)
+
+EXECUTABLE=main
+
+all : $(SOURCES) $(EXECUTABLE)
+
+$(EXECUTABLE) : $(OBJECTS) Makefile
+	$(CC) $(ARCH) $(LDFLAGS) $(OBJECTS) -o $@
+
+.cpp.o:
+	$(CC) $(CFLAGS) $< -o $@

Makefile

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+#include <opencv2/highgui/highgui.hpp>
+#include <opencv2/imgproc/imgproc.hpp>
+#include <zbar.h>
+#include <iostream>
+
+using namespace cv;
+using namespace std;
+using namespace zbar;
+
+//g++ main.cpp /usr/local/include/ /usr/local/lib/ -lopencv_highgui.2.4.8 -lopencv_core.2.4.8
+
+int main(int argc, char* argv[])
+{
+    VideoCapture cap(0); // open the video camera no. 0
+
+   // cap.set(CV_CAP_PROP_FRAME_WIDTH,800);
+   // cap.set(CV_CAP_PROP_FRAME_HEIGHT,640);
+
+    if (!cap.isOpened())  // if not success, exit program
+    {
+        cout << "Cannot open the video cam" << endl;
+        return -1;
+    }
+
+
+    ImageScanner scanner;  
+      scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);  
+
+   double dWidth = cap.get(CV_CAP_PROP_FRAME_WIDTH); //get the width of frames of the video
+   double dHeight = cap.get(CV_CAP_PROP_FRAME_HEIGHT); //get the height of frames of the video
+
+    cout << "Frame size : " << dWidth << " x " << dHeight << endl;
+
+    namedWindow("MyVideo",CV_WINDOW_AUTOSIZE); //create a window called "MyVideo"
+
+    while (1)
+    {
+        Mat frame;
+
+        bool bSuccess = cap.read(frame); // read a new frame from video
+
+         if (!bSuccess) //if not success, break loop
+        {
+             cout << "Cannot read a frame from video stream" << endl;
+             break;
+        }
+
+        Mat grey;
+        cvtColor(frame,grey,CV_BGR2GRAY);
+
+        int width = frame.cols;  
+        int height = frame.rows;  
+        uchar *raw = (uchar *)grey.data;  
+        // wrap image data  
+        Image image(width, height, "Y800", raw, width * height);  
+        // scan the image for barcodes  
+        int n = scanner.scan(image);  
+        // extract results  
+        for(Image::SymbolIterator symbol = image.symbol_begin();  
+        symbol != image.symbol_end();  
+        ++symbol) {  
+                vector<Point> vp;  
+        // do something useful with results  
+        cout << "decoded " << symbol->get_type_name()  << " symbol \"" << symbol->get_data() << '"' <<" "<< endl;  
+           int n = symbol->get_location_size();  
+           for(int i=0;i<n;i++){  
+                vp.push_back(Point(symbol->get_location_x(i),symbol->get_location_y(i))); 
+           }  
+           RotatedRect r = minAreaRect(vp);  
+           Point2f pts[4];  
+           r.points(pts);  
+           for(int i=0;i<4;i++){  
+                line(frame,pts[i],pts[(i+1)%4],Scalar(255,0,0),3);  
+           }  
+           //cout<<"Angle: "<<r.angle<<endl;  
+        }  
+
+        imshow("MyVideo", frame); //show the frame in "MyVideo" window
+
+        if (waitKey(30) == 27) //wait for 'esc' key press for 30ms. If 'esc' key is pressed, break loop
+       {
+            cout << "esc key is pressed by user" << endl;
+            break; 
+       }
+    }
+    return 0;
+
+}