#include <iostream>
#include <stdlib.h>
#include <stdint.h>
#include <fstream>
#include <string>
#include <zxing/qrcode/QRCodeReader.h>
#include <zxing/Exception.h>
#include <zxing/common/GlobalHistogramBinarizer.h>
#include <zxing/DecodeHints.h>
#include "BufferBitmapSource.h"

using namespace std; 
using namespace zxing; 
using namespace zxing::qrcode;
using namespace qrviddec; 

int main(int argc, char ** argv)
{
	try
	{


		// A buffer containing an image. In your code, this would be an image from your camera. In this 
		// example, it's just an array containing the code for "Hello!". 
		uint8_t buffer[] =
		{ 
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 
			255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255,  0 ,  0 ,  0 ,  0 ,  0 , 255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255, 
			255,  0 , 255, 255, 255, 255, 255,  0 , 255, 255,  0 , 255,  0 , 255, 255,  0 , 255, 255, 255, 255, 255,  0 , 255, 
			255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255, 255,  0 ,  0 , 255, 255, 255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255, 
			255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255, 255,  0 ,  0 ,  0 , 255, 255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255, 
			255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255, 255, 255,  0 , 255,  0 , 255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255, 
			255,  0 , 255, 255, 255, 255, 255,  0 , 255, 255, 255, 255,  0 ,  0 , 255,  0 , 255, 255, 255, 255, 255,  0 , 255, 
			255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255,  0 , 255,  0 , 255,  0 , 255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255, 
			255, 255, 255, 255, 255, 255, 255, 255, 255,  0 ,  0 ,  0 ,  0 ,  0 , 255, 255, 255, 255, 255, 255, 255, 255, 255, 
			255,  0 ,  0 , 255,  0 ,  0 , 255,  0 , 255, 255,  0 ,  0 , 255,  0 , 255,  0 , 255, 255, 255, 255, 255,  0 , 255, 
			255,  0 ,  0 ,  0 ,  0 ,  0 , 255, 255,  0 , 255, 255,  0 , 255,  0 , 255,  0 , 255,  0 ,  0 ,  0 , 255, 255, 255, 
			255, 255, 255, 255, 255, 255, 255,  0 , 255,  0 ,  0 ,  0 , 255, 255,  0 ,  0 , 255,  0 , 255,  0 ,  0 ,  0 , 255, 
			255, 255, 255,  0 ,  0 , 255, 255, 255,  0 ,  0 ,  0 , 255,  0 , 255, 255, 255, 255, 255, 255,  0 , 255, 255, 255, 
			255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255, 255,  0 , 255, 255, 255, 255,  0 , 255, 255,  0 , 255,  0 , 255, 255, 
			255, 255, 255, 255, 255, 255, 255, 255, 255,  0 ,  0 , 255,  0 ,  0 , 255, 255, 255, 255,  0 , 255,  0 ,  0 , 255, 
			255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255, 255, 255,  0 , 255,  0 ,  0 ,  0 ,  0 ,  0 , 255,  0 , 255, 255, 255, 
			255,  0 , 255, 255, 255, 255, 255,  0 , 255, 255,  0 ,  0 ,  0 ,  0 ,  0 , 255,  0 ,  0 ,  0 ,  0 , 255, 255, 255, 
			255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255,  0 , 255, 255,  0 ,  0 , 255,  0 ,  0 , 255,  0 , 255,  0 ,  0 , 255, 
			255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255,  0 , 255,  0 ,  0 ,  0 , 255, 255, 255, 255, 255, 255, 255, 255, 255, 
			255,  0 , 255,  0 ,  0 ,  0 , 255,  0 , 255, 255,  0 ,  0 , 255, 255, 255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255, 
			255,  0 , 255, 255, 255, 255, 255,  0 , 255,  0 , 255,  0 , 255, 255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255, 
			255,  0 ,  0 ,  0 ,  0 ,  0 ,  0 ,  0 , 255,  0 , 255,  0 ,  0 , 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255
		}; 
		int width = 23; 
		int height = 23;

		// Convert the buffer to something that the library understands.
		ArrayRef<char> arrayRef((char*)buffer, width*height);
		Ref<LuminanceSource> source (new BufferBitmapSource(width, height, arrayRef));

		// Turn it into a binary image. 
		Ref<Binarizer> binarizer (new GlobalHistogramBinarizer(source));
		Ref<BinaryBitmap> image(new BinaryBitmap(binarizer));

		// Tell the decoder to try as hard as possible. 
		DecodeHints hints(DecodeHints::DEFAULT_HINT);
		hints.setTryHarder(true); 

		// Perform the decoding. 
		QRCodeReader reader;
		Ref<Result> result(reader.decode(image, hints));

		// Output the result. 
		cout << result->getText()->getText() << endl;

  } 
	catch (zxing::Exception& e) 
	{
		cerr << "Error: " << e.what() << endl;
	}
	return 0; 
}